CN115823361A - Automobile part positioning and mounting structure and automobile - Google Patents
Automobile part positioning and mounting structure and automobile Download PDFInfo
- Publication number
- CN115823361A CN115823361A CN202211258862.5A CN202211258862A CN115823361A CN 115823361 A CN115823361 A CN 115823361A CN 202211258862 A CN202211258862 A CN 202211258862A CN 115823361 A CN115823361 A CN 115823361A
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- transverse groove
- plastic body
- positioning
- transverse
- aluminum alloy
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- 239000004033 plastic Substances 0.000 claims abstract description 54
- 229920003023 plastic Polymers 0.000 claims abstract description 54
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 13
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a positioning and mounting structure for automobile parts, which comprises an aluminum alloy positioning column and a mounting clamping seat, wherein the aluminum alloy positioning column is connected to an aluminum alloy lower vehicle body in a positioning manner; the aluminum alloy positioning column and the aluminum alloy lower vehicle are cast into a whole by pressure; the installation clamping seat is composed of a plastic body and a metal buckle which is integrally injected with the plastic body, the center of the plastic body is a cylindrical cavity with a closed upper end, at least three transverse grooves are respectively arranged on two opposite sides in a staggered mode, a transverse rib is formed between two adjacent transverse grooves, longitudinal ribs are formed on the other two opposite sides of the plastic body, and the upper end of the plastic body is a top surface; the metal buckle is embedded in the lower end part of the plastic body. And also relates to an automobile with the automobile part positioning and mounting structure. The automobile parts can be reliably installed on the lower aluminum alloy body, and the position precision is ensured; the installation and the disassembly are simple and convenient, the assembly efficiency is high, and the manufacture is low.
Description
Technical Field
The invention relates to an automobile body, in particular to an automobile part positioning and mounting structure and an automobile, which are particularly used for connecting oil pipes, water pipes, wire harnesses and the like with the automobile body.
Background
A plurality of welding studs are arranged on a lower vehicle body formed by stamping common steel. Because the car body is made of steel plates and studs and is also made of steel, the welding of the steel plates and the studs can be realized by a conventional welding process, and the welding studs provide good mounting points for the mounting of subsequent components (a sound-insulation and heat-insulation pad of a front wall plate of the car body, a four-wheel cover lining plate, a wire harness and the like). The installation limiting structure of the fuel pipe clamp disclosed in CN208169705U comprises the fuel pipe clamp and a stud welded with the floor of a vehicle body and matched with the fuel pipe clamp; the lower end of the stud is provided with a limiting boss, and the lower surface of the limiting boss is welded with the floor of the vehicle body; the middle part of the fuel pipe clamp is provided with a mounting hole matched with the stud, the inner side surface of the mounting hole is provided with inverted teeth, and the lower part of the mounting hole is a limiting hole correspondingly matched with the limiting boss. It can fix burning oil pipe card at mounted position and direction, prevents to burn oil pipe card and rotates, guarantees the pipeline trend, avoids burning oil pipe and peripheral spare part to interfere, avoids burning oil pipe wearing and tearing, can improve assembly efficiency, can reduce the requirement to welding precision simultaneously, conveniently assembles and dismantles burning oil pipe, guarantees to burn that oil pipe is reliably fixed.
Due to the development of the automobile lightweight technology, the lower die body of the die-casting aluminum alloy is more and more, compared with the traditional welding stud, one stud is difficult to weld well on the die-casting aluminum alloy, and meanwhile, the cost for welding the aluminum stud is also higher. Meanwhile, for the die-casting aluminum alloy lower vehicle body, a smooth aluminum cylinder can be die-cast in a low-cost mode, and the smooth aluminum cylinders can be die-cast together with the aluminum alloy lower vehicle body. How to realize the connection of components such as a sound-insulating and heat-insulating pad of a front wall plate of a vehicle body, a four-wheel cover lining plate, a wire harness and the like and a smooth aluminum cylinder becomes a new technology. A new automobile part positioning and mounting structure needs to be developed.
Disclosure of Invention
The invention aims to provide an automobile part positioning and mounting structure which can reliably mount automobile parts on an aluminum alloy lower body and ensure the position precision; the installation and the disassembly are simple and convenient, the assembly efficiency is high, and the manufacture is low. The invention also provides an automobile with the automobile part positioning and mounting structure.
The invention relates to an automobile part positioning and mounting structure, which comprises an aluminum alloy positioning column and a mounting clamping seat, wherein the aluminum alloy positioning column is connected to an aluminum alloy lower body in a positioning manner, and the mounting clamping seat is connected with the aluminum alloy positioning column in a matching manner, and is characterized in that: the aluminum alloy positioning column and the aluminum alloy lower vehicle are cast into a whole body through compression; the installation clamping seat is composed of a plastic body and a metal buckle which is integrally injected with the plastic body, the center of the plastic body is a cylindrical cavity with a closed upper end, at least three transverse grooves are arranged on two opposite sides in a staggered mode respectively, a transverse rib is formed between two adjacent transverse grooves, longitudinal ribs are formed on the other two opposite sides of the plastic body, the upper end is a top surface, and four positioning through holes are arranged on the circumference close to the edge of the lower end at equal distances; the metal buckle is embedded in the lower end part of the plastic body.
Furthermore, the metal buckle is circular, the middle part of the metal buckle is provided with 6-8 clamping jaws protruding upwards, and the periphery of the metal buckle is an embedded part embedded into the plastic body; four buckle positioning holes are equidistantly arranged on the circumference close to the edge of the embedded part, and at least one buckle embedded through hole is arranged between two adjacent buckle positioning holes; the four buckle positioning holes are respectively in one-to-one correspondence with the four positioning through holes.
Further, the transverse grooves include a first transverse groove, a second transverse groove and a third transverse groove which are arranged on one side of the plastic body, and a fourth transverse groove, a fifth transverse groove and a sixth transverse groove which are arranged on the other side of the plastic body.
Further, a first transverse rib is formed between the first transverse groove and the second transverse groove, a third transverse rib is formed between the second transverse groove and the third transverse groove, a second transverse rib is formed between the fourth transverse groove and the fifth transverse groove, and a fourth transverse rib is formed between the fifth transverse groove and the sixth transverse groove.
Furthermore, the clamping jaws of the metal buckle are all fan-shaped and are uniformly distributed on the circumference, and the included angle between two straight edges of each clamping jaw is 30-40 degrees.
Furthermore, the metal buckle is made of high-strength and high-elasticity spring steel with the grade of 65Mn, 70Mn, 60Si2Mn, 55CrMn, 55SiCr or 55CrV.
Further, the height h2 of the first transverse groove is larger than the exposed height h1 of the metal buckle in the inner cavity of the outer plastic body.
Further, the height of the fourth transverse groove is twice the height h2 of the first transverse groove.
Further, the outer contour of the plastic body is cylindrical or square-cylindrical.
The automobile comprises the automobile part positioning and mounting structure.
Because the aluminum alloy positioning column is not provided with threads, the aluminum alloy positioning column is integrated with the aluminum alloy lower vehicle body-pressing casting in a pre-buried manner, so that the positioning accuracy can be ensured, the installation and the disassembly are convenient, and the manufacturing cost is reduced.
Because the plastic body is designed to be a cylindrical cavity with a closed upper end as the center, the plastic body can be demoulded when being embedded into the metal buckle, and meanwhile, the strength of the plastic body can be ensured, and the stability is improved.
The positioning hole is formed in the embedding part of the metal buckle, so that the metal buckle is positioned when being embedded into the injection mold for production; because the embedded part of the metal buckle is provided with the buckle embedded via hole, the plastic body is tightly combined with the metal buckle, and the risk of the metal buckle rotating in the plastic body is avoided.
Because set up the horizontal groove of three dislocation at least in the relative both sides of plastic body, can make smooth demolding when installing the mount card seat and moulding plastics production, simultaneously, the horizontal groove provides great frictional force for the assembly time, and convenient assembly also conveniently dismantles.
Because the metal buckle chooses for use high strength, the spring steel preparation of high elasticity, not only guaranteed that installation cassette and aluminum alloy reference column cooperation are connected reliably, moreover convenient to detach.
Drawings
FIG. 1 is one of the isometric views of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1 (i.e., a cross-sectional view taken along the center of two snap-fit alignment holes);
FIG. 4 is a second isometric view of the present invention;
FIG. 5 is a cross-sectional view C-C of FIG. 4;
FIG. 6 is a schematic view of a metal clip according to the present invention;
FIG. 7 is a cross-sectional view of FIG. 1 taken through the center of two snap fit inset vias;
FIG. 8 is a schematic view of the present invention in connection with a tubing card;
FIG. 9 is a schematic view of the present invention showing the mounting of the underbody panel to the aluminum alloy underbody.
In the figures (reference signs refer to technical features):
1-a plastic body;
11-transverse groove, 111-first transverse groove, 113-second transverse groove, 115-third transverse groove, 112-fourth transverse groove, 114-fifth transverse groove, 116-sixth transverse groove;
12-transverse rib, 121-first transverse rib, 122-second transverse rib, 123-third transverse rib, 124-fourth transverse rib;
13-longitudinal ribs;
14 — a top surface;
15-positioning the via hole;
2, metal fasteners, 21, clamping jaws, 22, embedding parts, 23, fastener positioning holes and 24, wherein through holes are embedded in the fasteners;
3-aluminum alloy positioning columns;
4, oil pipe clamping;
5-aluminum alloy lower car body;
6-lower guard plate, 61-via hole.
Detailed Description
The technical scheme of the invention is explained in detail in the following with the accompanying drawings.
Refer to an automobile parts location mounting structure that fig. 1-7 show, including the aluminium alloy reference column 3 of location connection automobile body 5 under the aluminium alloy, with the installation cassette that 3 cooperation of aluminium alloy reference column are connected, characterized by: the aluminum alloy positioning column 3 and the aluminum alloy lower vehicle body 5 are cast into a whole by pressing; the installation clamping seat is composed of a plastic body 1 and a metal buckle 2 which is integrally molded with the plastic body by injection, the center of the plastic body 1 is a cylindrical cavity with a closed upper end, at least three transverse grooves 11 are respectively arranged on two opposite sides in a staggered mode, a transverse rib 12 is formed between two adjacent transverse grooves 11, longitudinal ribs 13 are formed on the other opposite sides of the plastic body 1, the upper end is a top surface 14, and four positioning through holes 15 are arranged on the circumference close to the edge of the lower end at equal distances; the metal buckle 2 is embedded in the lower end part of the plastic body 1. The aluminum alloy positioning column is not provided with threads, and is integrated with the aluminum alloy lower vehicle body-pressure casting through embedding, so that the positioning accuracy can be ensured, and the manufacturing cost is reduced; the plastic body is designed to be a cylindrical cavity with the upper end sealed as the center, so that the mold stripping during the embedding of the metal buckle is realized, the strength of the plastic body can be ensured, and the stability is improved.
The metal buckle 2 is circular, the middle part of the metal buckle is provided with 6 to 8 claws 21 protruding upwards, and the periphery of the metal buckle is provided with an embedded part 22 embedded into the plastic body 1; four buckle positioning holes 23 are equidistantly arranged on the circumference close to the edge of the embedded part 22, and at least one buckle embedded through hole 24 is arranged between two adjacent buckle positioning holes 23; the four buckle positioning holes 23 correspond to the four positioning through holes 15 one by one. The positioning hole is used for realizing positioning when the metal buckle is embedded into the injection mold for production; set up and detain embedded via hole to realize the inseparable combination of plastic body and metal buckle, avoid metal buckle pivoted risk in plastic body.
The transverse grooves 11 include a first transverse groove 111, a second transverse groove 113 and a third transverse groove 115 provided on one side of the plastic body 1, and a fourth transverse groove 112, a fifth transverse groove 114 and a sixth transverse groove 116 provided on the other side of the plastic body 1. Set up the horizontal groove of three dislocation at least in the relative both sides of plastic body to demolding when realizing the installation cassette production of moulding plastics, simultaneously, the horizontal groove provides great frictional force for the assembly time, and convenient assembly also conveniently dismantles.
A first transverse rib 121 is formed between the first transverse groove 111 and the second transverse groove 113, a third transverse rib 123 is formed between the second transverse groove 113 and the third transverse groove 115, a second transverse rib 122 is formed between the fourth transverse groove 112 and the fifth transverse groove 114, and a fourth transverse rib 124 is formed between the fifth transverse groove 114 and the sixth transverse groove 116. The transverse ribs are formed to ensure the strength of the plastic body.
The claws 21 of the metal buckle 2 are all fan-shaped and evenly distributed on the circumference, and the included angle of two straight edges of the claws 21 is 30-40 degrees. The metal buckle is provided with a fan-shaped clamping jaw in shape and is used for being matched with the aluminum alloy positioning column.
The metal buckle 2 is made of high-strength and high-elasticity spring steel with the brand number of 65Mn, 70Mn, 60Si2Mn, 55CrMn, 55SiCr or 55CrV. The metal buckle is made of high-strength and high-elasticity spring steel, so that the installation clamping seat is reliably connected with the aluminum alloy positioning column in a matched mode, and the metal buckle is convenient to disassemble.
The height h2 of the first transverse groove 111 is greater than the exposed height h1 of the metal buckle 2 in the inner cavity of the outer plastic body 1, and h2= h1+ (1-1.5) mm.
The height of the fourth lateral groove 112 is twice the height h2 of the first lateral groove 111.
The outer contour of the plastic body 1 is cylindrical or square column-shaped; so as to be convenient for being matched with the buckle of the automobile parts.
The first embodiment is as follows: referring to fig. 8, in order to connect the oil pipe buckle 4 and the aluminum alloy lower vehicle body 5, the plastic body 1 is in a square column shape and is connected with the oil pipe buckle 4 into a whole.
Example two: referring to fig. 9, in order to realize the connection between the lower protection plate 6 and the aluminum alloy lower body 5, the plastic body 1 is cylindrical, and during assembly, the via hole 61 on the lower protection plate 6 is sleeved on the aluminum alloy positioning column 3, and then the mounting clamping seat is connected with the aluminum alloy positioning column 3 in a matching manner. The mounting clip may also be used in connection with a threaded stud.
The automobile comprises the automobile part positioning and mounting structure.
Claims (10)
1. The utility model provides an automobile parts location mounting structure, includes aluminum alloy reference column (3) of location connection automobile body (5) under the aluminum alloy, the installation cassette of being connected with aluminum alloy reference column (3) cooperation, characterized by: the aluminum alloy positioning column (3) and the aluminum alloy lower vehicle body (5) are cast into a whole by pressing; the installation clamping seat is composed of a plastic body (1) and a metal buckle (2) which is integrally molded with the plastic body in an injection mode, the center of the plastic body (1) is a cylindrical cavity with a closed upper end, at least three transverse grooves (11) are formed in opposite two sides in a staggered mode respectively, a transverse rib (12) is formed between every two adjacent transverse grooves (11), longitudinal ribs (13) are formed in the other opposite two sides of the plastic body (1), the upper end of the plastic body is a top surface (14), and four positioning through holes (15) are formed in the circumference close to the edge of the lower end at equal distances; the metal buckle (2) is embedded in the lower end part of the plastic body (1).
2. The automobile part positioning and mounting structure as set forth in claim 1, wherein: the metal buckle (2) is circular, the middle part of the metal buckle is provided with 6-8 clamping jaws (21) protruding upwards, and the periphery of the metal buckle is provided with an embedded part (22) embedded into the plastic body (1); four buckle positioning holes (23) are equidistantly arranged on the circumference close to the edge of the embedded part (22), and at least one buckle embedded through hole (24) is arranged between two adjacent buckle positioning holes (23); the four buckle positioning holes (23) correspond to the four positioning through holes (15) one by one respectively.
3. The automobile part positioning and mounting structure as recited in claim 1 or 2, wherein: the transverse grooves (11) comprise a first transverse groove (111), a second transverse groove (113), a third transverse groove (115) and a fourth transverse groove (112), a fifth transverse groove (114) and a sixth transverse groove (116), wherein the first transverse groove, the second transverse groove and the third transverse groove are formed in one side of the plastic body (1), and the fourth transverse groove, the fifth transverse groove and the sixth transverse groove are formed in the other side of the plastic body (1).
4. The automobile part positioning and mounting structure as set forth in claim 3, wherein: a first transverse rib (121) is formed between the first transverse groove (111) and the second transverse groove (113), a third transverse rib (123) is formed between the second transverse groove (113) and the third transverse groove (115), a second transverse rib (122) is formed between the fourth transverse groove (112) and the fifth transverse groove (114), and a fourth transverse rib (124) is formed between the fifth transverse groove (114) and the sixth transverse groove (116).
5. The vehicle component positioning and mounting structure as claimed in claim 2, wherein: the clamping jaws (21) of the metal buckle (2) are all fan-shaped and are uniformly distributed on the circumference, and the included angle between two straight edges of each clamping jaw (21) is 30-40 degrees.
6. The automobile part positioning and mounting structure as set forth in claim 2, wherein: the metal buckle (2) is made of high-strength and high-elasticity spring steel with the mark of 65Mn, 70Mn, 60Si2Mn, 55CrMn, 55SiCr or 55CrV.
7. The vehicle component positioning and mounting structure as claimed in claim 3, wherein: the height h2 of the first transverse groove (111) is greater than the exposed height h1 of the metal buckle (2) in the inner cavity of the outer plastic body (1).
8. The automobile part positioning and mounting structure as set forth in claim 3, wherein: the height of the fourth transverse groove (112) is twice the height h2 of the first transverse groove (111).
9. The automobile part positioning and mounting structure as set forth in claim 1, wherein: the outer contour of the plastic body (1) is cylindrical or square cylindrical.
10. An automobile, characterized by: comprising the automobile part positioning and mounting structure as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211258862.5A CN115823361B (en) | 2022-10-14 | 2022-10-14 | Automobile part positioning and mounting structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211258862.5A CN115823361B (en) | 2022-10-14 | 2022-10-14 | Automobile part positioning and mounting structure and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115823361A true CN115823361A (en) | 2023-03-21 |
| CN115823361B CN115823361B (en) | 2024-06-18 |
Family
ID=85524795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211258862.5A Active CN115823361B (en) | 2022-10-14 | 2022-10-14 | Automobile part positioning and mounting structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115823361B (en) |
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