CN219821572U - Connection structure convenient to use - Google Patents
Connection structure convenient to use Download PDFInfo
- Publication number
- CN219821572U CN219821572U CN202321106425.1U CN202321106425U CN219821572U CN 219821572 U CN219821572 U CN 219821572U CN 202321106425 U CN202321106425 U CN 202321106425U CN 219821572 U CN219821572 U CN 219821572U
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- China
- Prior art keywords
- bushing
- connecting sleeve
- connection structure
- frame body
- auxiliary frame
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- 238000013016 damping Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to the technical field of automobile frames and discloses a connection structure convenient to use, which comprises an automobile body and an auxiliary frame body, wherein a connection assembly is arranged between the automobile body and the auxiliary frame body; the connection assembly includes: a bushing and a connecting sleeve; the top of the vehicle body is provided with a mounting hole matched with the bushing; the bushing is welded on the inner wall of the mounting hole; the bottom of the auxiliary frame body is provided with a connecting hole matched with the connecting sleeve; the connecting sleeve is welded in the connecting hole; the bottom of the bushing is fixedly connected with a damping pad; the bottom of the damping pad is fixedly connected with an elastic rubber pad. This connection structure convenient to use can cushion the shock attenuation to the junction of bush and adapter sleeve through damping pad and the elastic rubber pad that sets up to reach the flexonics between automobile body and the sub vehicle frame body, reduced the production of noise, improved the travelling comfort of whole car.
Description
Technical Field
The utility model relates to the technical field of automobile frames, in particular to a connection structure convenient to use.
Background
As automobiles increasingly go into thousands of households, the amount of economic automobile maintenance increases and cost control has become an aspect of increasing importance for automobile manufacturers. The rigid connection vehicle between the auxiliary frame and the bearing type vehicle body is widely applied to economic sedans, and has the advantages of simple structure, light weight, low cost, small occupied space and the like.
For example, "a connection structure between an automobile auxiliary frame and an automobile body" with a publication number of CN212637653U "comprises a nut, an automobile body sheet metal, a bushing, an auxiliary frame beam and a bolt, wherein the bushing penetrates through the auxiliary frame beam to extend out of one side of a connection surface between the auxiliary frame beam and the automobile body sheet metal to form a bushing end, a nut groove is formed in one end of the nut close to the welding surface, and the bushing end penetrates through the automobile body sheet metal to be matched with the nut groove; this connection structure is from taking location structure, through the cooperation of bush end and nut recess, realizes the radial positioning of bush, when connecting sub vehicle frame and automobile body, only need consider the axial position of bush, has practiced thrift assembly worker's assembly time, and the positioning accuracy requirement to lifting location frock reduces, has practiced thrift the cost.
However, with the structure, the auxiliary frame and the vehicle body of the automobile are rigidly connected, the vibration reduction and noise reduction effects cannot be met, and the bushing is easy to wear, so that the performance of the automobile is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a connection structure which is convenient to use. The automobile body and auxiliary frame assembly has the advantages that the joint of the bushing and the connecting sleeve can be buffered and damped, so that flexible connection between the automobile body and the auxiliary frame body is achieved, noise is reduced, and comfort of the whole automobile is improved.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the connection structure convenient to use comprises a vehicle body and a sub-frame body, wherein a connection assembly is arranged between the vehicle body and the sub-frame body; the connection assembly includes: a bushing and a connecting sleeve; the top of the vehicle body is provided with a mounting hole matched with the bushing; the bushing is welded on the inner wall of the mounting hole; the bottom of the auxiliary frame body is provided with a connecting hole matched with the connecting sleeve; the connecting sleeve is welded in the connecting hole; the bottom of the bushing is fixedly connected with a damping pad; the bottom of the damping pad is fixedly connected with an elastic rubber pad; the top of the connecting sleeve penetrates through the connecting hole and extends into the mounting hole, and the top of the connecting sleeve is abutted with the bottom of the elastic rubber pad; when the auxiliary frame body is subjected to jolting force during running of the automobile, the connecting sleeve is driven to extrude the elastic rubber pad, the elastic rubber pad compresses the damping pad, and at the moment, reverse acting force is generated on the connecting sleeve under the action of the self elasticity of the damping pad and the elastic rubber pad, so that the force applied to the connecting sleeve can be buffered, rigid collision between the connecting sleeve and the bushing can be prevented, meanwhile, contact between the auxiliary frame body and the auxiliary frame body can be prevented, flexible connection between the auxiliary frame body and the auxiliary frame body is achieved, noise is reduced, and the comfort of the whole automobile is improved.
Preferably, the bottom of the bushing is provided with an opening; the top of the connecting sleeve is provided with an opening.
Preferably, a positioning hole is formed in the bottom of the bushing; the top of the connecting sleeve is fixedly connected with a positioning pin; the top end of the positioning pin sequentially penetrates through the elastic rubber pad and the damping pad and is inserted into the positioning hole; through the mutually supporting of locating pin and locating hole that set up, can be quick fix a position the adapter sleeve to can be quick install the adapter sleeve, convenient to use.
Preferably, the number of the positioning holes is two; the two positioning holes are respectively positioned at the left side and the right side of the center point of the bottom of the bushing; the number of the locating pins is two, and the two locating pins are respectively positioned at the left side and the right side of the center point of the top of the connecting sleeve.
Preferably, two locking grooves are formed in the top of the bushing; two through holes are formed in the bottom of the connecting sleeve; connecting bolts are inserted into the two through holes; the connecting bolts are arranged in a U shape; the top end of the connecting bolt penetrates through the bushing and extends into the locking groove; the top end of the connecting bolt is movably sleeved with two elastic gaskets which are respectively positioned in the two locking grooves; the bottoms of the two elastic gaskets are respectively abutted with the bottoms of the inner walls of the two locking grooves; the top end of the connecting bolt is in threaded connection with two lock nuts and is respectively positioned in the two locking grooves; the bottoms of the two lock nuts are respectively abutted with the tops of the two elastic gaskets; the inner walls of the two locking grooves are respectively connected with a cover plate in a sliding manner and are positioned above the connecting bolts; the connecting bolt of "U" shape through setting up has improved the steadiness of being connected between adapter sleeve and the bush, through taking out the apron from the locking inslot, then rotate lock nut makes it break away from connecting bolt, then take off elastic gasket from connecting bolt to remove the spacing to connecting bolt, make things convenient for connecting bolt quick to pull down from the adapter sleeve, carry out the separation with lock nut and connecting bolt's link through the apron that sets up with air, prevent dust and moisture in the air to its erosion, make things convenient for the installation dismantlement of lock nut and connecting bolt.
Preferably, the outer walls of the connecting bolts close to the top ends are provided with external threads; both lock nuts are located at the external thread.
(III) beneficial effects
Compared with the prior art, the utility model provides a connection structure convenient to use, which has the following beneficial effects:
1. this connection structure convenient to use can cushion the shock attenuation to the junction of bush and adapter sleeve through damping pad and the elastic rubber pad that sets up to reach the flexonics between automobile body and the sub vehicle frame body, reduced the production of noise, improved the travelling comfort of whole car.
2. This connection structure convenient to use, the connecting bolt through the "U" shape that sets up has improved the steadiness of being connected between adapter sleeve and the bush, carries out the separation with lock nut and connecting bolt's link and air through the apron that sets up, prevents dust and moisture in the air to its erosion, makes things convenient for the installation dismantlement of lock nut and connecting bolt.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a partial front cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A;
fig. 4 is a bottom view of the bushing of the present utility model.
In the figure: 1. a vehicle body; 2. an auxiliary frame body; 3. a connection assembly; 31. a bushing; 32. connecting sleeves; 33. a damping pad; 34. an elastic rubber pad; 4. positioning holes; 5. a positioning pin; 6. a locking groove; 7. a connecting bolt; 8. an elastic pad; 9. a lock nut; 10. and a cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 1 to 4, the utility model provides a connection structure which is convenient to use, and comprises a vehicle body 1 and a subframe body 2, wherein a connection assembly 3 is arranged between the vehicle body 1 and the subframe body 2; the connection assembly 3 includes: a bushing 31, a connecting sleeve 32; the top of the body 1 is provided with a mounting hole matched with the bushing 31; the bushing 31 is welded on the inner wall of the mounting hole; the bottom of the bushing 31 is provided with an opening; the bottom of the auxiliary frame body 2 is provided with a connecting hole matched with the connecting sleeve 32; the connecting sleeve 32 is welded in the connecting hole; the top of the connecting sleeve 32 is provided with an opening; the bottom of the bushing 31 is fixedly connected with a damping pad 33; the bottom of the damping pad 33 is fixedly connected with an elastic rubber pad 34; the top of the connecting sleeve 32 passes through the connecting hole and extends into the mounting hole, and the top of the connecting sleeve 32 is abutted with the bottom of the elastic rubber pad 34; when the auxiliary frame body 2 is subjected to jolting force during running of the automobile, the connecting sleeve 32 is driven to extrude the elastic rubber pad 34, the elastic rubber pad 34 compresses the damping pad 33, and at the moment, reverse acting force is generated on the connecting sleeve 32 under the action of the elasticity of the damping pad 33 and the elastic rubber pad 34, so that the force applied to the connecting sleeve 32 can be buffered, rigid collision between the connecting sleeve 32 and the bushing 31 can be prevented, meanwhile, contact between the auxiliary frame body 2 and the auxiliary frame body 1 can be prevented, flexible connection between the auxiliary frame body 1 and the auxiliary frame body 2 is achieved, noise is reduced, and the comfort of the whole automobile is improved.
In this embodiment, the damping pad 33 and the elastic rubber pad 34 can cushion and damp the joint of the bushing 31 and the connecting sleeve 32, so as to achieve flexible connection between the vehicle body 1 and the auxiliary frame body 2, reduce noise, and improve comfort of the whole vehicle.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the bottom of the bushing 31 is provided with a positioning hole 4; the top of the connecting sleeve 32 is fixedly connected with a positioning pin 5; the top end of the positioning pin 5 sequentially penetrates through the elastic rubber pad 34 and the damping pad 33 and is inserted into the positioning hole 4; the number of the positioning holes 4 is two; the two positioning holes 4 are respectively positioned at the left side and the right side of the bottom center point of the bushing 31; the number of the positioning pins 5 is two, and the two positioning pins 5 are respectively positioned at the left side and the right side of the center point of the top of the connecting sleeve 32; through the mutual matching of the positioning pin 5 and the positioning hole 4, the connecting sleeve 32 can be positioned quickly, so that the connecting sleeve 32 can be installed quickly, and the use is convenient; two locking grooves 6 are formed in the top of the bushing 31; two through holes are formed in the bottom of the connecting sleeve 32; a connecting bolt 7 is inserted into the two through holes; the connecting bolt 7 is U-shaped; the top end of the connecting bolt 7 penetrates through the bushing 31 and extends into the locking groove 6; the top end of the connecting bolt 7 is movably sleeved with two elastic gaskets 8, and the two elastic gaskets are respectively positioned in the two locking grooves 6; the bottoms of the two elastic gaskets 8 are respectively abutted with the bottoms of the inner walls of the two locking grooves 6; the top end of the connecting bolt 7 is in threaded connection with two lock nuts 9 and is respectively positioned in the two locking grooves 6; the bottoms of the two lock nuts 9 are respectively abutted with the tops of the two elastic gaskets 8; external threads are formed on the outer wall, close to the top end, of the connecting bolt 7; both lock nuts 9 are located at the external thread; the inner walls of the two locking grooves 6 are respectively connected with a cover plate 10 in a sliding manner and are positioned above the connecting bolts 7; the stability of connection between adapter sleeve 32 and bush 31 has been improved through the connecting bolt 7 of "U" shape that sets up, through taking out apron 10 from locking groove 6, then rotate lock nut 9 makes it break away from connecting bolt 7, then take off elastic washer 8 from connecting bolt 7, thereby release the spacing to connecting bolt 7, make things convenient for connecting bolt 7 quick follow to dismantle from adapter sleeve 32, the link and the air separation of lock nut 9 and connecting bolt 7 through apron 10 that sets up, prevent dust and moisture in the air to its erosion, make things convenient for the installation dismantlement of lock nut 9 and connecting bolt 7.
In this embodiment, the connecting bolt 7 of the shape of "U" through setting up has improved the steadiness of connecting between adapter sleeve 32 and the bush 31, separates lock nut 9 and connecting bolt 7's link and air through the apron 10 of setting, prevents dust and moisture in the air and erodes it, makes things convenient for the installation dismantlement of lock nut 9 and connecting bolt 7.
The working principle of the connection structure convenient to use is described in detail below.
When the auxiliary frame body 2 is used, as shown in fig. 1-4, the connecting sleeve 32 is driven to extrude the elastic rubber pad 34 when the auxiliary frame body 2 is subjected to the bumping force during the running of the automobile, the elastic rubber pad 34 compresses the damping pad 33, at the moment, a reverse acting force is generated on the connecting sleeve 32 under the action of the elasticity of the damping pad 33 and the elastic rubber pad 34, so that the force applied to the connecting sleeve 32 can be buffered, rigid collision between the connecting sleeve 32 and the bushing 31 can be prevented, meanwhile, the auxiliary frame body 2 and the automobile body 1 can be prevented from being contacted, flexible connection between the automobile body 1 and the auxiliary frame body 2 is achieved, noise is reduced, the stability of connection between the connecting sleeve 32 and the bushing 31 is improved through the connecting bolt 7 in the shape of U, the cover plate 10 is taken out from the locking groove 6, then the locking nut 9 is rotated to be separated from the connecting bolt 7, then the elastic gasket 8 is taken down from the connecting bolt 7, the limit of the connecting bolt 7 is relieved, the connecting bolt 7 is conveniently and rapidly detached from the connecting sleeve 32, the connecting end of the locking nut 9 and the connecting bolt 7 is prevented from being corroded by air, and moisture in the air is prevented from being connected with the connecting nut 9 and the connecting bolt 7.
Claims (6)
1. The utility model provides a connection structure convenient to use, includes automobile body (1) and sub vehicle frame body (2), its characterized in that: a connecting component (3) is arranged between the vehicle body (1) and the auxiliary frame body (2); the connection assembly (3) comprises: a bushing (31) and a connecting sleeve (32); the top of the vehicle body (1) is provided with a mounting hole matched with the bushing (31); the bushing (31) is welded on the inner wall of the mounting hole; a connecting hole matched with the connecting sleeve (32) is formed in the bottom of the auxiliary frame body (2); the connecting sleeve (32) is welded in the connecting hole; the bottom of the bushing (31) is fixedly connected with a damping pad (33); an elastic rubber pad (34) is fixedly connected to the bottom of the damping pad (33); the top of the connecting sleeve (32) penetrates through the connecting hole and extends into the mounting hole, and the top of the connecting sleeve (32) is abutted with the bottom of the elastic rubber pad (34).
2. A connection structure for facilitating use according to claim 1, wherein: the bottom of the lining (31) is provided with an opening; the top of the connecting sleeve (32) is provided with an opening.
3. A connection structure for facilitating use according to claim 1, wherein: a positioning hole (4) is formed in the bottom of the bushing (31); the top of the connecting sleeve (32) is fixedly connected with a positioning pin (5); the top end of the locating pin (5) sequentially penetrates through the elastic rubber pad (34) and the damping pad (33) and is inserted into the locating hole (4).
4. A connection structure for facilitating use according to claim 3, wherein: the number of the positioning holes (4) is two; the two positioning holes (4) are respectively positioned at the left side and the right side of the bottom center point of the bushing (31); the number of the positioning pins (5) is two, and the two positioning pins (5) are respectively positioned at the left side and the right side of the top center point of the connecting sleeve (32).
5. A connection structure for facilitating use according to claim 1, wherein: two locking grooves (6) are formed in the top of the bushing (31); two through holes are formed in the bottom of the connecting sleeve (32); connecting bolts (7) are inserted into the two through holes; the connecting bolt (7) is U-shaped; the top end of the connecting bolt (7) penetrates through the bushing (31) and extends into the locking groove (6); two elastic gaskets (8) are movably sleeved at the top end of the connecting bolt (7) and are respectively positioned in the two locking grooves (6); the bottoms of the two elastic gaskets (8) are respectively abutted with the bottoms of the inner walls of the two locking grooves (6); the top end of the connecting bolt (7) is in threaded connection with two locking nuts (9) and is respectively positioned in the two locking grooves (6); the bottoms of the two lock nuts (9) are respectively abutted with the tops of the two elastic gaskets (8); the inner walls of the two locking grooves (6) are respectively and slidably connected with a cover plate (10) and are positioned above the connecting bolts (7).
6. A connection structure for facilitating use according to claim 5, wherein: external threads are formed on the outer wall, close to the top end, of the connecting bolt (7); both lock nuts (9) are located at the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106425.1U CN219821572U (en) | 2023-05-09 | 2023-05-09 | Connection structure convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106425.1U CN219821572U (en) | 2023-05-09 | 2023-05-09 | Connection structure convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219821572U true CN219821572U (en) | 2023-10-13 |
Family
ID=88274059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321106425.1U Active CN219821572U (en) | 2023-05-09 | 2023-05-09 | Connection structure convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219821572U (en) |
-
2023
- 2023-05-09 CN CN202321106425.1U patent/CN219821572U/en active Active
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