CN212099079U - Novel interference press-fit type fender bracket - Google Patents
Novel interference press-fit type fender bracket Download PDFInfo
- Publication number
- CN212099079U CN212099079U CN202020629352.4U CN202020629352U CN212099079U CN 212099079 U CN212099079 U CN 212099079U CN 202020629352 U CN202020629352 U CN 202020629352U CN 212099079 U CN212099079 U CN 212099079U
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- fender
- rotation
- fit
- interference press
- gland
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- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000002265 prevention Effects 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 210000003000 inclusion body Anatomy 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model relates to an automobile parts field discloses a novel interference press-fit type fender support, and it includes fender return bend or straight tube, elasticity and prevents turning, metal inclusion and frame erection joint board, elasticity is prevented turning and is joined in marriage through shaft hole interference press-fit with fender return bend or straight tube and become an organic whole, and the outer footpath that elasticity was prevented turning is interference press-fit state with metal inclusion's synthetic through-hole, and frame erection joint board is connected with metal inclusion, and the outer footpath that elasticity was prevented turning is equipped with the arch and prevents turning muscle, corresponds to be equipped with on metal inclusion's synthetic through-hole inner wall and prevents turning the slot. The utility model provides a mudguard support not only plays the purpose of shock absorption, rotation prevention and anti-shifting, but also avoids the unique elasticity of the elastic anti-rotation body material from being damaged; the use of a welding process is avoided, the assembly process is simple, and the method is suitable for mass production of shaped products.
Description
Technical Field
The utility model relates to an automobile parts field, specific is a novel interference press-fit type fender support.
Background
The existing fender bracket assembly generally mainly comprises a mounting base, a steel pipe and a connecting bracket, wherein the steel pipe and the connecting bracket are welded into a whole, the fender is fixed on the fender bracket assembly through the connecting bracket, and the mounting base is connected with a pipe fitting into an assembly by welding or press fitting.
Publication No. CN 203888889U provides a fender bracket with a shock-absorbing function, which uses a rubber bushing between a steel pipe and the inner wall of a hole of a base pipe to play a shock-absorbing function, and tightens and fixes the rubber bushing and the steel pipe through a bolt assembly in a fastening hole. Although the scheme can play a role in shock absorption, the rubber bushing and the steel pipe cannot be prevented from rotating around the central axis in the pipe hole relative to the base.
Publication No. CN 208248311U provides a fender bracket, and this scheme can play the effect of shock attenuation and prevent to rotate, but has the defect that part quantity is more, and welding process is more complicated, assembly efficiency is lower.
Application number 2020203645004 or 2020102037839 provides a lightweight withholding type anti-rotation fender bracket, the scheme achieves the lightweight withholding type and the purpose of preventing rotation, simultaneously greatly improves the performance of the fender bracket, prolongs the service life by 30%, reduces the weight by 1.2kg, improves the fatigue test and the vibration test by one order of magnitude, but can damage the bonding layer of rubber and a fender bent pipe or a fender straight pipe under the action of long-term larger axial impact load, thereby influencing the hardness and the density of the rubber and reducing the elasticity of vulcanized rubber; the mounting seat adopts a frame type welding structure, so that the process is complex and the efficiency is low; the connecting binding surface between the mounting seat and the upper gland is smaller, and the height of the mounting seat is adjusted by adopting the adjusting sleeve, so that the structure has the advantages of complex assembly process, lower assembly efficiency and unsuitability for batch production of shaped products.
Disclosure of Invention
In order to solve the defects existing in the prior art, the utility model particularly provides a novel interference press-fit type fender support.
Therefore, the technical scheme of the utility model is that: the utility model provides a novel interference press-fit type fender support, prevents turning, metal inclusion and vehicle frame erection joint board including fender return bend or straight tube, elasticity rotation-preventing cover is in the outer axle footpath of fender return bend or straight tube one side tip, the metal inclusion is staple bolt form, closes to connect by last gland and lower gland and constitutes, and the synthetic through-hole that forms through closing to connect overlaps the metal inclusion on the outer axle footpath of elasticity rotation-preventing, and vehicle frame erection joint board is connected its characterized in that with the metal inclusion: the elastic rotation preventing body and the fender bent pipe or the fender straight pipe are in interference press fit with each other through the shaft hole to form a whole, and the elastic rotation preventing body and the metal inclusion body are in interference press fit;
the outer shaft diameter of the elastic rotation preventing body is provided with a protruding rotation preventing rib along the circumferential direction, and a rotation preventing concave groove is correspondingly arranged on the inner wall of the synthetic through hole of the metal inclusion body.
The further improvement lies in that: the protruding anti-rotation ribs on the elastic anti-rotation body are provided with two groups and are uniformly and symmetrically distributed along the circumferential direction.
The further improvement lies in that: each group of the convex anti-rotation ribs of the elastic anti-rotation body are discontinuously distributed along the axis direction, convex positioning ribs are arranged between the convex anti-rotation ribs which are discontinuously distributed, and positioning grooves are correspondingly arranged on the inner wall of the synthetic through hole of the metal inclusion body.
The further improvement lies in that: and an anti-rotation knurling structure is arranged on the outer shaft diameter of the bent pipe or the straight pipe of the fender corresponding to the elastic anti-rotation body.
The further improvement lies in that: the anti-rotation knurling structure on the fender bent pipe or the fender straight pipe is straight-line knurling or reticulate pattern knurling.
The further improvement lies in that: and a bulge rib structure is arranged on the end part of one side of the bent pipe or the straight pipe of the mudguard corresponding to the circumferential direction of the elastic rotation preventing body.
The further improvement lies in that: the elastic rotation-preventing body is made of polyurethane or rubber.
The further improvement lies in that: the upper gland and the lower gland of the metal inclusion body are steel plate stamping parts, first mounting holes are formed in the joint of the upper gland and the lower gland, and the upper gland and the lower gland are connected and assembled into a whole through bolt assemblies or rivets.
The further improvement lies in that: the frame mounting connecting plate comprises an upper mounting connecting plate and a lower mounting connecting plate which are symmetrical with each other, wherein the upper mounting connecting plate is L-shaped, the lower mounting connecting plate is L-shaped, a transverse opening is formed in the middle of the transverse side of the upper mounting connecting plate, two sides of the transverse opening of the upper mounting connecting plate and two sides of the transverse opening of the lower mounting connecting plate are respectively connected with the upper gland and the lower gland, and second mounting holes are formed in the two sides of the transverse opening corresponding to the first mounting holes; the vertical side of the frame is provided with a frame mounting plate, and a third mounting hole is arranged on the frame mounting plate.
Has the advantages that:
the utility model discloses well elasticity is prevented turning and is joined in marriage along axis interference pressure with fender return bend or straight tube and press as an organic wholely, can not destroy elasticity and prevent turning the material structure of itself and keep the elasticity of itself.
The straight grain or reticulate pattern anti-rotation knurling structure on the outer shaft diameter of the fender bent pipe or straight pipe is used for increasing the rotation friction resistance of the elastic anti-rotation body relative to the fender bent pipe or straight pipe and preventing the elastic anti-rotation body from rotating relative to the fender bent pipe or straight pipe; the bulging rib structure on the fender bent pipe or straight pipe is used for preventing the elastic rotation-preventing body from moving relative to the fender bent pipe or straight pipe in the axial direction.
The upper gland and the lower gland are connected in a closing mode to replace a whole casting, the assembling mode is changed, the axial press fit is changed into the radial press fit, the elastic anti-rotation body radially compresses the elastic anti-rotation body from outside to inside, and therefore the elastic anti-rotation body and a metal inclusion body formed by the closing connection of the upper gland and the lower gland are integrally pressed in an interference fit mode.
The upper gland and the lower gland are steel plate stamping parts, so that the production efficiency of parts is improved by adopting a stamping process, and reasonable weight reduction is performed on the premise of meeting the strength; go up gland and lower gland and to closing the first mounting hole of junction, be in order to go up gland and lower gland and pass through bolt assembly or rivet connection assembly as an organic whole.
The transverse gap in the middle of the frame mounting connecting plate plays a role of avoiding space, so that the interference between the frame mounting connecting plate and the upper gland and the interference between the frame mounting connecting plate and the lower gland are avoided, and the second mounting hole is used for connecting and assembling the frame mounting connecting plate, the upper gland and the lower gland into a whole; the third mounting hole is used for mounting and fixing the fender bracket on the frame longitudinal beam.
In a word, the fender bracket provided by the utility model not only plays the roles of shock absorption, rotation prevention and anti-shifting, but also avoids the unique elasticity of the elastic rotation prevention body material from being damaged; the use of a welding process is avoided, the assembly process is simple, and the method is suitable for mass production of shaped products.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
fig. 3 is a left side view of an embodiment of the present invention;
fig. 4 is a right side view of an embodiment of the present invention;
fig. 5 is a cross-sectional view a-a of an embodiment of the present invention;
fig. 6 is a perspective view of the embodiment of the present invention;
illustration and marking:
1-fender bent pipe or straight pipe; 11-anti-rotation knurling structure; 12-rib rolling structure;
2-elastic rotation prevention body; 21-protruding anti-rotation ribs; 22-raised positioning ribs;
3-a metal inclusion; 31-pressing the cover; 32-lower gland; 33-synthetic vias;
331-anti-rotation recesses; 332-a positioning recess; 34-a first mounting hole; 35-bolt assemblies or rivets;
4, mounting a connecting plate on the frame; 41-installing a connecting plate; 42-lower mounting connection plate; 43-transverse gap; 44-a second mounting hole; 45-a third mounting hole;
Detailed Description
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the attached drawings 1-6 of the specification.
The utility model provides a novel interference press-fit type fender support, includes fender return bend or straight tube 1, elasticity and prevents turning 2, metal inclusion 3 and vehicle frame erection joint board 4, elasticity prevents turning 2 cover on the outer axle footpath of 1 side end of fender return bend or straight tube, metal inclusion 3 is the staple bolt form, by last gland 31 with push down lid 32 to closing the connection and constitute, through closing synthetic through-hole 33 that connects formation with 3 covers of metal inclusion on the outer axle footpath of elasticity and preventing turning 2, vehicle frame erection joint board 4 is connected with metal inclusion 3, elasticity prevents turning 2 and fender return bend or straight tube 1 and press-fit into an organic whole through the shaft hole interference, and elasticity prevents turning 2 and metal inclusion 3 and is the interference press-fit state.
The outer shaft diameter of the elastic rotation preventing body 2 is provided with a protruding rotation preventing rib 21 along the circumferential direction, and a rotation preventing concave groove 331 is correspondingly arranged on the inner wall of the synthetic through hole 33 of the metal inclusion body 3.
The two groups of the convex anti-rotation ribs 21 on the elastic anti-rotation body 2 are uniformly and symmetrically distributed along the circumferential direction.
Each group of convex anti-rotation ribs 21 of the elastic anti-rotation body 2 are distributed discontinuously along the axis direction, convex positioning ribs 22 are arranged between the convex anti-rotation ribs 21 distributed discontinuously, and positioning concave grooves 332 are correspondingly arranged on the side walls of the synthetic through holes 33 of the metal inclusion body 3.
And an anti-rotation knurling structure 11 is arranged on the outer shaft diameter of the end part of one side of the fender bent pipe or straight pipe 1 corresponding to the elastic anti-rotation body 2.
The anti-rotation knurling structure 11 on the fender bent pipe or straight pipe 1 is straight knurling or reticulate pattern knurling.
And a rib rolling structure 12 is arranged at one side end part of the fender bent pipe or straight pipe 1 corresponding to the circumferential direction of the elastic rotation preventing body 2.
The elastic rotation-preventing body 2 is made of polyurethane or rubber.
The upper gland 31 and the lower gland 32 of the metal inclusion 3 are steel plate stamping parts, first mounting holes 34 are arranged at the involution connection positions of the upper gland and the lower gland, and the upper gland and the lower gland are connected and assembled into a whole through bolt assemblies or rivets 35.
The frame mounting connecting plate 4 comprises an upper mounting connecting plate 41 and a lower mounting connecting plate 42 which are symmetrical with each other, wherein the upper mounting connecting plate 41 is L-shaped, the lower mounting connecting plate 42 is L-shaped, a transverse opening 43 is arranged in the middle of the transverse side of the upper mounting connecting plate, two sides of the transverse opening 43 of the upper mounting connecting plate 41 and the transverse opening 43 of the lower mounting connecting plate 42 are respectively connected with the upper gland 31 and the lower gland 32, and second mounting holes 44 are arranged on two sides of the transverse opening 43 corresponding to the first mounting holes 34; the vertical sides of which are connected to the frame rails, and on which third mounting holes 45 are provided.
In the actual production and processing process, the elastic rotation prevention body 2 and the fender bent pipe or straight pipe 1 are firstly pressed into a whole, and then the end part of one side of the fender bent pipe or straight pipe 1 is subjected to rib rolling processing, so that the fender bent pipe or straight pipe 1 corresponds to the elastic rotation prevention body 2 to form a rib rolling structure 12 along the axis direction.
In this embodiment, the fender bent pipe or straight pipe 1 is a straight pipe, the anti-rotation knurling structure 11 on one side end is a straight knurling, and the rib rolling structure 12 is two ribs.
Claims (9)
1. The utility model provides a novel interference press-fit type fender support, includes fender return bend or straight tube (1), elasticity and prevents turning (2), metal inclusion (3) and frame erection joint board (4), elasticity prevents turning (2) cover on the outer axle footpath of fender return bend or straight tube (1) one side tip, metal inclusion (3) are the staple bolt form, by last gland (31) and gland (32) down to closing the connection and constitute, through closing synthetic through-hole (33) of connecting formation with metal inclusion (3) cover on the outer axle footpath of elasticity rotation prevention (2), frame erection joint board (4) are connected its characterized in that with metal inclusion (3): the elastic rotation prevention body (2) and the fender bent pipe or straight pipe (1) are in interference press fit into a whole through the shaft hole, and the elastic rotation prevention body (2) and the metal inclusion (3) are in an interference press fit state;
the outer shaft diameter of the elastic rotation preventing body (2) is provided with a protruding rotation preventing rib (21) along the circumferential direction, and a rotation preventing concave groove (331) is correspondingly arranged on the inner wall of the synthetic through hole (33) of the metal inclusion body (3).
2. The novel interference press-fit fender bracket of claim 1, characterized in that: the two groups of protruding anti-rotation ribs (21) on the elastic anti-rotation body (2) are uniformly and symmetrically distributed along the circumferential direction.
3. The novel interference press-fit fender bracket according to claim 1 or 2, characterized in that: each group of protruding anti-rotation ribs (21) of the elastic anti-rotation body (2) are discontinuously distributed along the axis direction, protruding positioning ribs (22) are arranged between the protruding anti-rotation ribs (21) which are discontinuously distributed, and positioning grooves (332) are correspondingly arranged on the side wall of the synthetic through hole (33) of the metal inclusion body (3).
4. The novel interference press-fit fender bracket of claim 1, characterized in that: and an anti-rotation knurling structure (11) is arranged on the outer shaft diameter of the end part of one side of the fender bent pipe or straight pipe (1) corresponding to the elastic anti-rotation body (2).
5. The novel interference press-fit fender bracket of claim 4, wherein: the anti-rotation knurling structure (11) on the fender bent pipe or straight pipe (1) is straight knurling or reticulate knurling.
6. The novel interference press-fit fender bracket of claim 1, 4 or 5, wherein: and a rib rolling structure (12) is arranged at the end part of one side of the bent pipe or the straight pipe (1) of the fender corresponding to the circumferential direction of the elastic rotation preventing body (2).
7. The novel interference press-fit fender bracket of claim 3, characterized in that: the elastic rotation preventing body (2) is made of polyurethane or rubber.
8. The novel interference press-fit fender bracket of claim 1, characterized in that: the upper gland (31) and the lower gland (32) of the metal inclusion (3) are steel plate stamping parts, first mounting holes (34) are formed in the butt joint of the upper gland and the lower gland, and the upper gland and the lower gland are connected and assembled into a whole through bolt assemblies or rivets (35).
9. The novel interference press-fit fender bracket of claim 1, characterized in that: the frame mounting connecting plate (4) comprises an upper mounting connecting plate (41) and a lower mounting connecting plate (42), which are symmetrical with each other, wherein the upper mounting connecting plate (41) is L-shaped, the lower mounting connecting plate (42) is L-shaped, a transverse opening (43) is arranged in the middle of the transverse side of the upper mounting connecting plate, two sides of the transverse opening (43) of the upper mounting connecting plate (41) and the transverse opening of the lower mounting connecting plate (42) are respectively connected with the upper gland (31) and the lower gland (32), and second mounting holes (44) are arranged on two sides of the transverse opening (43) corresponding to the first mounting holes (34); the vertical sides of the first mounting hole and the second mounting hole are connected to the frame longitudinal beam, and a third mounting hole (45) is formed in the first mounting hole and the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629352.4U CN212099079U (en) | 2020-04-24 | 2020-04-24 | Novel interference press-fit type fender bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629352.4U CN212099079U (en) | 2020-04-24 | 2020-04-24 | Novel interference press-fit type fender bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212099079U true CN212099079U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020629352.4U Active CN212099079U (en) | 2020-04-24 | 2020-04-24 | Novel interference press-fit type fender bracket |
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| CN (1) | CN212099079U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112722086A (en) * | 2021-01-04 | 2021-04-30 | 一汽解放汽车有限公司 | Fender support rod assembly and manufacturing method thereof |
| CN112977630A (en) * | 2021-04-29 | 2021-06-18 | 东风商用车有限公司 | Fender support and commercial car |
| CN113492924A (en) * | 2021-06-23 | 2021-10-12 | 东风柳州汽车有限公司 | Automobile fender bracket assembly and assembling method thereof |
| CN113602957A (en) * | 2021-07-13 | 2021-11-05 | 浙江零跑科技股份有限公司 | Lifting appliance |
| WO2023223366A1 (en) * | 2022-05-17 | 2023-11-23 | Bawer S.P.A. | Device to fix accessories to the chassis of heavy vehicles by an indented tube and at least one clevis |
-
2020
- 2020-04-24 CN CN202020629352.4U patent/CN212099079U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112722086A (en) * | 2021-01-04 | 2021-04-30 | 一汽解放汽车有限公司 | Fender support rod assembly and manufacturing method thereof |
| CN112722086B (en) * | 2021-01-04 | 2022-02-25 | 一汽解放汽车有限公司 | Fender support rod assembly and manufacturing method thereof |
| CN112977630A (en) * | 2021-04-29 | 2021-06-18 | 东风商用车有限公司 | Fender support and commercial car |
| CN113492924A (en) * | 2021-06-23 | 2021-10-12 | 东风柳州汽车有限公司 | Automobile fender bracket assembly and assembling method thereof |
| CN113602957A (en) * | 2021-07-13 | 2021-11-05 | 浙江零跑科技股份有限公司 | Lifting appliance |
| WO2023223366A1 (en) * | 2022-05-17 | 2023-11-23 | Bawer S.P.A. | Device to fix accessories to the chassis of heavy vehicles by an indented tube and at least one clevis |
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