CN103171391B - Steel plate spring support assembly - Google Patents
Steel plate spring support assembly Download PDFInfo
- Publication number
- CN103171391B CN103171391B CN201110437935.2A CN201110437935A CN103171391B CN 103171391 B CN103171391 B CN 103171391B CN 201110437935 A CN201110437935 A CN 201110437935A CN 103171391 B CN103171391 B CN 103171391B
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- China
- Prior art keywords
- spring carrier
- pipe
- interior
- intermediate pipe
- carrier assembly
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Abstract
Disclosed is a steel plate spring support assembly. The technical scheme of the steel plate spring support assembly includes that the steel plate spring support assembly comprises a steel plate spring support, the lower end of the steel plate spring support is connected with an opening composite bush in an interference fit mode, an inner shaft of the opening composite bush can be fixedly connected with one end of a hanger plate, the other end of the hanger plate can be fixedly connected with a steel plate spring, the opening composite bush is pressed into the steel plate spring support in an interference mode, and the hanger plate connects the steel plate spring support with the steel plate spring. When the steel plate spring deforms and swings, the deformation and swing of the steel plate spring can be achieved through the deformation of rubbers in the opening composite bush. The steel plate spring support assembly has the advantages of being simple in structure, light in weight, low in cost, and high in reliability and comfort, and no lubrication maintenance is needed.
Description
Technical field
The present invention relates to as a kind of spring carrier assembly.
Background technology
Steel spring is the main load-carrying unit of heavy motor vehicle, and steel spring rear fulcrum relies on hanger to be connected with spring carrier.Connect mainly with wear-resisting bearing pin between hanger and flat spring bracket, need to lubricate bearing pin simultaneously.This just needs bearing pin increases oil leab, needs to install lubrication adapter simultaneously and carries out regular charging-up lubricant oil fat.This connection mode is more loaded down with trivial details, and needs periodical maintenance, brings a lot of inconvenience to user.Simultaneously due to being rigidly connected between leaf spring and support, the service life of leaf spring and support can be reduced, also reduce the traveling comfort of car load simultaneously.
Summary of the invention
The object of this invention is to provide a kind of spring carrier assembly, this assembly structure be simple, weight and cost is low, reliability and traveling comfort high, do not need lubricated maintenance simultaneously.
The present invention is realized by following technical measures: a kind of spring carrier assembly, comprise spring carrier, described spring carrier lower end is connected with opening composite bush interference fit, the interior axle of described opening composite bush can be fixedly connected with one end of boatswain chair, the other end of boatswain chair can be fixedly connected with steel spring, described opening composite bush comprises interior axle, rubber broached bushing and ring set, for interference closely cooperates between described interior axle and rubber broached bushing, the two ends of interior axle are provided with ring set, described rubber broached bushing comprises the outer tube be set with successively, intermediate pipe and interior pipe, between described outer tube and intermediate pipe, rubber layer is provided with between intermediate pipe and interior pipe He on inner tube wall, described outer tube, rubber layer, intermediate pipe, rubber layer, interior pipe, rubber layer is fixed together by sulfidization molding, described rubber broached bushing is circumferentially being provided with trapezoid-shaped openings groove.Its split shed composite bush force fit spring carrier, is connected spring carrier with steel spring by boatswain chair.Steel spring, when being out of shape and swing, can rely on the distortion of rubber in opening composite bush to realize.
Concrete feature of the present invention also has, and above-mentioned opening composite bush is fixedly connected with boatswain chair by bolt, and the other end of boatswain chair is fixedly connected with steel spring by bolt.
The overall diameter of above-mentioned outer tube is ￠ 65.1
mm, wall thickness is 4 mm, is highly 88
mm; The overall diameter of intermediate pipe is ￠ 50
mm, wall thickness is 1.7 mm, is highly 66
mm; The overall diameter of interior pipe is ￠ 36
mm, wall thickness is 1.7 mm, is highly 68
mm; The overall diameter of interior axle is ￠ 34.9
mm, diameter of bore is ￠ ￠ 24.2
mm is highly 94.7
mm; The overall diameter of ring set is ￠ 50
mm, diameter of bore is ￠ 34.9
mm is highly 11
mm, the relative distance between two ring sets is 94.7 ± 0.1mm; The rubber layer thickness of described inner tube wall is 0.6mm.
The outer hem width 12mm of above-mentioned trapezoid-shaped openings groove, interior hem width 7mm, dark 12mm.
The cross-sectional plane of above-mentioned outer tube, intermediate pipe, the rubber layer between outer tube and intermediate pipe, the rubber layer between intermediate pipe and interior pipe is open circles annular.
With the symmetrical two row's technique through holes of height center on above-mentioned intermediate pipe; With the symmetrical two row's technique through holes of height center on described interior pipe.
The diameter of above-mentioned technique through hole is 3mm, and the width between centers between two rows is 35mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
The diameter of above-mentioned technique through hole is 5mm, and the width between centers between two rows is 30mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
The cross-sectional plane of above-mentioned ring set is annular arrangement, ring set inwall center is provided with circular ring slot.
The width of above-mentioned circular ring slot is 2mm, and diameter is 37mm.
Beneficial effect of the present invention is: adopt the technical program, the elasticity become between boatswain chair from original rigidity pinned connection between spring carrier with hanger is connected.When automobile is when starting and brake, the connection mode of opening composite bush is utilized to reduce rigid shock between steel spring and spring carrier, improve the traveling comfort of car load, effectively raise the service life of steel spring spring and spring carrier simultaneously.In opening composite bush, the distortion of rubber can meet torsion and the deflection of steel spring, without any need for lubrication and maintenance, facilitates user greatly.
Wherein, the technology mode of axle and rubber broached bushing sulfidization molding in the past broken by composite anti-blocking lining, and interior axle and rubber broached bushing are with interference fit, and by oil press assembling, the ring set at two ends and interior axle are also by oil press interference fit; Rubber broached bushing assembly integral part adopts boniness frame and multilayer rubber alternating structure form, adds intensity and damping, buffer action; Opening a trapezoidal groove at the outside face of rubber broached bushing, the magnitude of interference of 2 mm can be formed when assembling with its assembly opening, utilize the elasticity of each material to ensure the tightness degree of assembling.Therefore, when the present invention has bulk strength, rigidity increase, processing technology advanced person, damping, buffering excellent effect, an assembling, tight ness rating increases, the advantages such as the good practical life of elasticity is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is that the specific embodiment of the invention uses mounting structure schematic diagram.
Fig. 3 is the structural representation of specific embodiment of the invention split shed lining.
Fig. 4 is the structural representation of rubber broached bushing in Fig. 3.
Fig. 5 is the upward view of Fig. 4.
Fig. 6 is the structural representation of Fig. 3 middle external tube.
Fig. 7 is the A-A cutaway view of Fig. 6.
Fig. 8 is the structural representation of intermediate pipe in Fig. 3.
Fig. 9 is the B-B cutaway view of Fig. 8.
Figure 10 is the structural representation of interior pipe in Fig. 3.
Figure 11 is the C-C cutaway view of Figure 10.
Figure 12 is the structural representation of interior axle in Fig. 3.
Figure 13 is the structural representation of Fig. 3 middle ring sleeve.
In figure, 1. spring carrier; 2. opening composite bush; 3. bolt; 4. boatswain chair; 5. bolt; 6. steel spring, 2.1, ring set, 2.2, interior axle, 2.3, rubber broached bushing, 2.4, rubber layer, 2.5, intermediate pipe, 2.6, outer tube, 2.7, interior pipe, 2.8, trapezoid-shaped openings groove, 2.9, technique through hole, 2.10, circular ring slot, 2.11, chamfering, 2.12, chamfering.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, this programme is set forth.
As shown in drawings, a kind of spring carrier assembly, comprise spring carrier 1, described spring carrier 1 lower end is connected with opening composite bush 2 interference fit, the interior axle of described opening composite bush 2 can be fixedly connected with one end of boatswain chair 4 by bolt 3, and the other end of boatswain chair 4 can be fixedly connected with by bolt 5 with steel spring 6.
Wherein, opening composite bush 2 comprises interior axle 2.2, be sleeved on the rubber broached bushing 2.3 on interior axle 2.2, be positioned at the ring set 2.1 being sleeved on axle 2.2 two ends, described rubber broached bushing 2.3 comprises the outer tube 2.7 be set with successively, intermediate pipe 2.5 and interior pipe 2.7, between described outer tube 2.6 and intermediate pipe 2.5, rubber layer 2.4 is provided with between intermediate pipe 2.5 and interior pipe 2.7 He on interior pipe 2.7 inwall, described outer tube 2.6, rubber layer 2.4, intermediate pipe 2.5, rubber layer 2.5, interior pipe 2.7, rubber layer 2.4 is fixed together by sulfidization molding, described rubber broached bushing 2.3 is circumferentially being provided with trapezoid-shaped openings groove 2.8, the outer hem width 12mm of trapezoid-shaped openings groove 2.8, interior hem width 7mm, dark 12mm.
Wherein, the overall diameter of outer tube 2.6 is ￠ 65.1
mm, wall thickness is 4 mm, is highly 88
mm, the cross-sectional plane of outer tube is open circles annular, and have the chamfering of 1.4*30 ° in one end of outer tube 2.6, be beneficial to assembling, the minimum yield point Re of outer tube material therefor is 420N/mm
2; The overall diameter of intermediate pipe 2.5 is ￠ 50
mm, wall thickness is 1.7 mm, is highly 66
mm, the cross-sectional plane of intermediate pipe 2.5 is open circles annular, and the minimum yield point Re of intermediate pipe material therefor is 275N/mm
2; The overall diameter of interior pipe 7 is ￠ 36
mm, wall thickness is 1.7 mm, is highly 68
mm, the cross-sectional plane of interior pipe is annular arrangement, and the minimum yield point Re of interior pipe material therefor is 275N/mm
2; The overall diameter of interior axle is ￠ 34.9
mm, diameter of bore is ￠ 24.2
mm is highly 94.7
mm, the cross-sectional plane of interior axle is annular arrangement, the both ends of the surface up and down of interior axle has the chamfering 2.11 of 1*45 °, and be beneficial to assembling, the minimum yield point Re of interior axle material therefor is 650N/mm
2, protective treatment is carried out on surface, bethanizing and chromaking process, the minimum 12um of coat thickness, to ensure enough intensity and to prevent from getting rusty in harsh environment; The overall diameter of ring set is ￠ 50
mm, diameter of bore is ￠ 34.9
mm is highly 11
mm, relative distance between two ring sets is 94.7 ± 0.1mm, the cross-sectional plane of ring set is annular arrangement, ring set inwall center is provided with circular ring slot 2.10, the width of circular ring slot 2.10 is 2mm, diameter is 37mm, ring set about 2.1 both ends of the surface has the chamfering 2.12 of 1*20 °, is beneficial to assembling.The rubber layer thickness of inner tube wall is 0.6mm.
In addition, the cross-sectional plane of the rubber layer between outer tube 2.6 and intermediate pipe 2.5, rubber layer between intermediate pipe 2.5 and interior pipe 2.7 is open circles annular.With the symmetrical two row's technique through holes 2.9 of height center on intermediate pipe, the diameter of technique through hole 2.9 is 3mm, and the width between centers between two rows is 35mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
With the symmetrical two row's technique through holes of height center on interior pipe, the diameter of technique through hole is 5mm, and the width between centers between two rows is 30mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
During installation, tie bolt 3 is utilized to be fastened on spring carrier 1 by boatswain chair 4, boatswain chair 4 and opening composite bush 2 two ends predetermincd tension on request fit tightly, and utilize tie bolt 5 that steel spring 6 is fastening with boatswain chair 4 again, are connected by spring carrier eventually through boatswain chair 4 with steel spring 6.
The present invention can pass through without the technical characteristic described or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a spring carrier assembly, comprise spring carrier, it is characterized in that, described spring carrier lower end is connected with opening composite bush interference fit, the interior axle of described opening composite bush can be fixedly connected with one end of boatswain chair, the other end of boatswain chair can be fixedly connected with steel spring, described opening composite bush comprises interior axle, rubber broached bushing and ring set, for interference closely cooperates between described interior axle and rubber broached bushing, the two ends of interior axle are provided with ring set, described rubber broached bushing comprises the outer tube be set with successively, intermediate pipe and interior pipe, between described outer tube and intermediate pipe, rubber layer is provided with between intermediate pipe and interior pipe He on inner tube wall, described outer tube, rubber layer, intermediate pipe, rubber layer, interior pipe, rubber layer is fixed together by sulfidization molding, described rubber broached bushing is circumferentially being provided with trapezoid-shaped openings groove.
2. spring carrier assembly according to claim 1, is characterized in that, described opening composite bush is fixedly connected with boatswain chair by bolt; The other end of described boatswain chair is fixedly connected with steel spring by bolt.
3. spring carrier assembly according to claim 1, is characterized in that, the overall diameter of described outer tube is ￠ 65.1
mm, wall thickness is 4 mm, is highly 88
mm; The overall diameter of intermediate pipe is ￠ 50
mm, wall thickness is 1.7 mm, is highly 66
mm; The overall diameter of interior pipe is ￠ 36
mm, wall thickness is 1.7 mm, is highly 68
mm; The overall diameter of interior axle is ￠ 34.9
mm, diameter of bore is ￠ 24.2
mm is highly 94.7
mm; The overall diameter of ring set is ￠ 50
mm, diameter of bore is ￠ 34.9
mm is highly 11
mm, the relative distance between two ring sets is 94.7 ± 0.1mm; The rubber layer thickness of described inner tube wall is 0.6mm.
4. spring carrier assembly according to claim 1, is characterized in that, the outer hem width 12mm of described trapezoid-shaped openings groove, interior hem width 7mm, dark 12mm.
5. the spring carrier assembly according to claim 1 or 2 or 3 or 4, is characterized in that, the cross-sectional plane of described outer tube, intermediate pipe, the rubber layer between outer tube and intermediate pipe, the rubber layer between intermediate pipe and interior pipe is open circles annular.
6. the spring carrier assembly according to claim 1 or 2 or 3 or 4, is characterized in that, with the symmetrical two row's technique through holes of height center on described intermediate pipe; With the symmetrical two row's technique through holes of height center on described interior pipe.
7. spring carrier assembly according to claim 6, is characterized in that, the diameter of the technique through hole on described intermediate pipe and interior pipe is 3mm, and the width between centers between two rows is 35mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
8. spring carrier assembly according to claim 6, is characterized in that, the diameter of the technique through hole on described intermediate pipe and interior pipe is 5mm, and the width between centers between two rows is 30mm, and circumferencial direction is uniformly distributed with 60 ° of intervals.
9. the spring carrier assembly according to claim 1 or 2 or 3 or 4, is characterized in that, the cross-sectional plane of described ring set is annular arrangement, and ring set inwall center is provided with circular ring slot.
10. spring carrier assembly according to claim 9, is characterized in that, the width of described circular ring slot is 2mm, and diameter is 37mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437935.2A CN103171391B (en) | 2011-12-23 | 2011-12-23 | Steel plate spring support assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437935.2A CN103171391B (en) | 2011-12-23 | 2011-12-23 | Steel plate spring support assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103171391A CN103171391A (en) | 2013-06-26 |
| CN103171391B true CN103171391B (en) | 2015-04-15 |
Family
ID=48631765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110437935.2A Active CN103171391B (en) | 2011-12-23 | 2011-12-23 | Steel plate spring support assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103171391B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157412A (en) * | 1961-12-21 | 1964-11-17 | Dayton Steel Foundry Co | Single leaf spring suspension |
| US4478091A (en) * | 1981-08-18 | 1984-10-23 | Lucas Industries | Load monitoring arrangement for a vehicle axle |
| CN201626276U (en) * | 2010-02-03 | 2010-11-10 | 中国第一汽车集团公司 | Steel plate spring bushing for automobile |
| CN201736756U (en) * | 2010-07-29 | 2011-02-09 | 北汽福田汽车股份有限公司 | Automobile suspension plate spring support and automobile employing same |
-
2011
- 2011-12-23 CN CN201110437935.2A patent/CN103171391B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157412A (en) * | 1961-12-21 | 1964-11-17 | Dayton Steel Foundry Co | Single leaf spring suspension |
| US4478091A (en) * | 1981-08-18 | 1984-10-23 | Lucas Industries | Load monitoring arrangement for a vehicle axle |
| CN201626276U (en) * | 2010-02-03 | 2010-11-10 | 中国第一汽车集团公司 | Steel plate spring bushing for automobile |
| CN201736756U (en) * | 2010-07-29 | 2011-02-09 | 北汽福田汽车股份有限公司 | Automobile suspension plate spring support and automobile employing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103171391A (en) | 2013-06-26 |
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