CN209977118U - High shock attenuation nature rear axle bush assembly - Google Patents
High shock attenuation nature rear axle bush assembly Download PDFInfo
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- CN209977118U CN209977118U CN201920827871.9U CN201920827871U CN209977118U CN 209977118 U CN209977118 U CN 209977118U CN 201920827871 U CN201920827871 U CN 201920827871U CN 209977118 U CN209977118 U CN 209977118U
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- gum cover
- rear axle
- inner tube
- pressure
- middle section
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Abstract
The utility model discloses a high shock attenuation nature rear axle bush assembly, it has that structural strength is good, the shock attenuation effect is good, the difficult characteristics that receive the pressure and damage, and its technical scheme main points are including from interior to exterior composite inner tube, gum cover and outer tube in proper order, the middle section of inner tube is equipped with hole enlargement portion, and the middle section of outer tube is equipped with the undergauge portion, is equipped with two caulking grooves that the symmetry set up on the outer wall in gum cover middle section, all has inlayed first micropore rubber layer in two caulking grooves, still is equipped with the elasticity hole that two symmetries and axial run through on the gum cover, and two elasticity holes are alternative settings along the circumference of gum cover with two caulking grooves, the utility model is suitable for a bush technical field.
Description
Technical Field
The utility model belongs to the technical field of the bush, refer in particular to a high shock attenuation nature rear axle bush assembly.
Background
With the improvement of living standard of people, automobiles are the most common tools for riding instead of walk. A number of system devices and components are designed during the production and assembly of automobiles, where the rear axle is a rear drive axle component of the vehicle power transmission.
In the prior art, the lining performance of a rear axle lining assembly is poor in the driving process of an automobile, the phenomena of cracking and degumming often occur, the service life of the automobile can be influenced, discomfort of a driver and passengers is increased, even abnormal sound is caused, and along with the fact that the requirement of a customer on the performance of the automobile is more and more strict, the performance of the rear axle lining is bound to become a problem that the customer pays more and more attention to.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high shock attenuation nature rear axle bush assembly, it has that structural strength is good, the shock attenuation is effectual, be difficult for the characteristics of pressurized damage.
The purpose of the utility model is realized like this: the utility model provides a high shock attenuation nature rear axle bush assembly, includes inner tube, gum cover and the outer tube that from interior to exterior is compound in proper order, its characterized in that: the middle section of inner tube is equipped with hole enlargement portion, and the middle section of outer tube is equipped with undergauge portion, is equipped with two caulking grooves that the symmetry set up on the outer wall in gum cover middle section, all has inlayed first micropore rubber layer in two caulking grooves, still is equipped with the elastic orifice that two symmetries and axial run through on the gum cover, and two elastic orifices are setting in turn along the circumference of gum cover with two caulking grooves.
By adopting the technical scheme, the diameter-expanding part means that the outer diameter of the middle section of the inner pipe is larger than that of the two ends, so that the axial stress of the inner pipe and the rubber sleeve can be improved after the inner pipe and the rubber sleeve are heated and compounded; the diameter reducing part is that the inner diameter of the middle section of the outer pipe is smaller than that of the two ends, so that the axial stress of the outer pipe and the rubber sleeve can be improved after the outer pipe and the rubber sleeve are heated and compounded; first micropore rubber layer adopts porous vulcanite, and its relative gum cover has better elasticity and inhales the effect of making an uproar to fall, nevertheless it has better structural strength for direct trompil or grooved mode, and the elastic pore also is used for playing inhales the effect of making an uproar to fall, from the reasonable structure overall arrangement on elastic pore and first micropore rubber layer, can improve the shock attenuation performance of bush under the intensity condition of guaranteeing the bush.
The utility model discloses further set up to: the elastic hole comprises two circular pressure-bearing holes and a pressure-bearing gap between the two pressure-bearing holes, the two ends of the pressure-bearing gap are communicated with the pressure-bearing holes, and a second microporous rubber layer is arranged in the pressure-bearing gap.
Through adopting above-mentioned technical scheme, the deformation that produces when the pressure-bearing hole easily bore the gum cover atress, the second micropore rubber layer also adopts porous vulcanized rubber, can produce certain corresponding deformation during the atress, but it plays the restriction effect to the biggest deformation volume, has better structural strength for direct trompil or grooved mode.
The utility model discloses further set up to: and a hole expansion is formed on the inner wall of the hole expansion part, a microporous rubber ring is embedded in the hole expansion part, and lubricating oil is soaked on the microporous rubber ring.
Through adopting above-mentioned technical scheme, the micropore rubber ring adopts porous vulcanized rubber, installs and can play certain sound absorption and fall the effect of making an uproar in the reaming, and when the intraductal connecting rod of installation including in addition, the connecting rod radially extrudees the micropore rubber ring, can make lubricating oil spill over for lubricating oil is filled between connecting rod and inner tube, avoids the corrosion between it.
The utility model discloses further set up to: the outer wall of the inner pipe is provided with a plurality of strip-shaped limiting grooves, two ends of each strip-shaped limiting groove penetrate through two ends of the inner pipe, and a plurality of wear-resistant protrusions are further arranged at two ends of the inner pipe.
Through adopting above-mentioned technical scheme, the spacing groove makes the gum cover after the heating vulcanization, and the gum cover can inlay in the spacing inslot to increase the circumference atress intensity between gum cover and the inner tube, wear-resisting arch can increase the wearability at inner tube both ends.
The utility model discloses further set up to: and the two ends of the rubber sleeve are provided with annular grooves, and the groove walls of the annular grooves are of arc structures.
Through adopting above-mentioned technical scheme, the ring channel can increase the elasticity at gum cover both ends to improve the cushioning effect, the cell wall of ring channel is the arc structure, makes ring channel surface atress disperse more, and structural strength is better.
The utility model discloses further set up to: and one end of the outer pipe is also provided with an outward turning edge.
By adopting the technical scheme, the eversion edge is used for increasing the connection stability between the outer pipe and the rear axle.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the structure of fig. 1 from a-a direction according to the present invention;
FIG. 3 is a schematic structural view of the outer wall of the inner tube of the present invention;
the reference numbers in the figures are: 1. an inner tube; 2. a rubber sleeve; 3. an outer tube; 4. an expanding portion; 5. a diameter reducing portion; 6. a first microporous rubber layer; 7. an elastic hole; 8. a pressure-bearing hole; 9. a pressure-bearing gap; 10. a second microporous rubber layer; 11. a microporous rubber ring; 12. a strip-shaped limiting groove; 13. wear-resistant protrusions; 14. an annular groove; 15. and (5) turning the edges outwards.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 3:
the utility model provides a high shock attenuation nature rear axle bush assembly, includes from interior to exterior composite inner tube 1, gum cover 2 and outer tube 3 in proper order, its characterized in that: the middle section of inner tube 1 is equipped with hole enlargement portion 4, and the middle section of outer tube 3 is equipped with undergauge portion 5, is equipped with two caulking grooves that the symmetry set up on the outer wall in 2 middle sections of gum cover, and first micropore rubber layer 6 has all been inlayed to two caulking grooves, still is equipped with two symmetry and the elastic orifice 7 that the axial runs through on the gum cover 2, and two elastic orifices 7 are the setting in turn along the circumference of gum cover 2 with two caulking grooves.
By adopting the technical scheme, the diameter-expanding part 4 means that the outer diameter of the middle section of the inner tube 1 is larger than that of the two ends, so that the axial stress of the inner tube 1 and the rubber sleeve 2 can be improved after the inner tube 1 and the rubber sleeve 2 are heated and compounded; the diameter reducing part 5 is that the inner diameter of the middle section of the outer tube 3 is smaller than that of the two ends, so that the axial stress of the outer tube 3 and the rubber sleeve 2 can be improved after the outer tube 3 and the rubber sleeve 2 are heated and compounded; first micropore rubber layer 6 adopts porous vulcanite, and it has better elasticity and inhales the effect of making an uproar to inhale relative gum cover 2, but it has better structural strength for direct trompil or grooved mode, and elasticity hole 7 also is used for playing inhales the effect of making an uproar to fall, from the reasonable structural configuration overall arrangement of elasticity hole 7 and first micropore rubber layer 6, can improve the shock attenuation performance of bush under the intensity condition of guaranteeing the bush.
The utility model discloses further set up to: the elastic hole 7 comprises two circular pressure-bearing holes 8 and a pressure-bearing gap 9 between the two pressure-bearing holes 8, two ends of the pressure-bearing gap 9 are communicated with the pressure-bearing holes 8, and a second microporous rubber layer 10 is arranged in the pressure-bearing gap 9.
Through adopting above-mentioned technical scheme, the deformation that produces when the pressure-bearing hole 8 easily bears the gum cover 2 atress, and second micropore rubber layer 10 also adopts porous vulcanized rubber, can produce certain corresponding deformation during the atress, but it plays the restriction effect to the biggest deformation volume, has better structural strength for direct trompil or grooved mode.
The utility model discloses further set up to: the inner wall of the diameter expanding part 4 forms a hole expanding, a microporous rubber ring 11 is embedded in the hole expanding, and lubricating oil is soaked on the microporous rubber ring 11.
Through adopting above-mentioned technical scheme, micropore rubber ring 11 adopts porous vulcanized rubber, installs and can play certain sound absorption and fall the effect of making an uproar in the reaming, and when installing the connecting rod in inner tube 1 in addition, the connecting rod radially extrudes micropore rubber ring 11, can make lubricating oil spill over for lubricating oil fills between connecting rod and inner tube 1, avoids the corrosion between it.
The utility model discloses further set up to: the outer wall of the inner pipe 1 is provided with a plurality of strip-shaped limiting grooves 12, two ends of each strip-shaped limiting groove 12 penetrate through two ends of the inner pipe 1, and a plurality of wear-resistant protrusions 13 are further arranged at two ends of the inner pipe 1.
Through adopting above-mentioned technical scheme, the spacing groove makes gum cover 2 after the heating vulcanization, and gum cover 2 can inlay in the spacing inslot to increase the circumference atress intensity between gum cover 2 and the inner tube 1, wear-resisting arch 13 can increase the wearability at 1 both ends of inner tube.
The utility model discloses further set up to: and two ends of the rubber sleeve 2 are provided with annular grooves 14, and the groove walls of the annular grooves 14 are of arc structures.
Through adopting above-mentioned technical scheme, ring channel 14 can increase the elasticity at 2 both ends of gum cover to improve the cushioning effect, the cell wall of ring channel 14 is the arc structure, makes ring channel 14 surface atress disperse more, and structural strength is better.
The utility model discloses further set up to: and an outward turning edge 15 is also arranged at one end of the outer pipe 3.
By adopting the above technical solution, the everting edge 15 is used to increase the connection stability between the outer tube 3 and the rear axle.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a high shock attenuation nature rear axle bush assembly, includes inner tube (1), gum cover (2) and outer tube (3) that from interior to exterior compound in proper order, its characterized in that: the middle section of inner tube (1) is equipped with hole enlargement portion (4), and the middle section of outer tube (3) is equipped with undergauge portion (5), is equipped with two caulking grooves that the symmetry set up on the outer wall in gum cover (2) middle section, all has inlayed first micropore rubber layer (6) in two caulking grooves, still is equipped with elastic hole (7) that two symmetries and axial run through on gum cover (2), and two elastic hole (7) are the setting in turn with two caulking grooves along the circumference of gum cover (2).
2. A high damping rear axle bushing assembly as defined in claim 1, wherein: the elastic hole (7) comprises two circular pressure-bearing holes (8) and a pressure-bearing gap (9) between the two pressure-bearing holes (8), the two ends of the pressure-bearing gap (9) are communicated with the pressure-bearing holes (8), and a second microporous rubber layer (10) is arranged in the pressure-bearing gap (9).
3. A high damping rear axle bushing assembly as defined in claim 1, wherein: the inner wall of the diameter expanding part (4) forms a hole expanding, a micropore rubber ring (11) is embedded in the hole expanding, and lubricating oil is soaked on the micropore rubber ring (11).
4. A high damping rear axle bushing assembly as defined in claim 1, wherein: be equipped with a plurality of bar spacing grooves (12) on the outer wall of inner tube (1), the both ends of bar spacing groove (12) run through the both ends of inner tube (1), still are equipped with a plurality of wear-resisting archs (13) on the both ends of inner tube (1).
5. A high damping rear axle bushing assembly as defined in claim 1, wherein: and the two ends of the rubber sleeve (2) are provided with annular grooves (14), and the groove walls of the annular grooves (14) are of arc structures.
6. A high damping rear axle bushing assembly as defined in claim 1, wherein: and an outward turning edge (15) is also arranged at one end of the outer pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827871.9U CN209977118U (en) | 2019-06-03 | 2019-06-03 | High shock attenuation nature rear axle bush assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827871.9U CN209977118U (en) | 2019-06-03 | 2019-06-03 | High shock attenuation nature rear axle bush assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977118U true CN209977118U (en) | 2020-01-21 |
Family
ID=69265301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920827871.9U Active CN209977118U (en) | 2019-06-03 | 2019-06-03 | High shock attenuation nature rear axle bush assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977118U (en) |
-
2019
- 2019-06-03 CN CN201920827871.9U patent/CN209977118U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high damping rear axle bushing assembly Effective date of registration: 20210721 Granted publication date: 20200121 Pledgee: China Postal Savings Bank Co.,Ltd. Tiantai County sub branch Pledgor: Zhejiang Sanli Auto Parts Co.,Ltd. Registration number: Y2021330000968 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |