CN215321858U - Structure for improving friction coefficient of fastening surface of automobile connecting plate - Google Patents
Structure for improving friction coefficient of fastening surface of automobile connecting plate Download PDFInfo
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- CN215321858U CN215321858U CN202121481482.9U CN202121481482U CN215321858U CN 215321858 U CN215321858 U CN 215321858U CN 202121481482 U CN202121481482 U CN 202121481482U CN 215321858 U CN215321858 U CN 215321858U
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- fastening surface
- friction coefficient
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Abstract
The utility model relates to a structure for improving the friction coefficient of a fastening surface of an automobile connecting plate, which comprises the connecting plate, wherein the connecting plate is provided with a connecting hole, the periphery of the connecting hole is provided with a fastening surface for abutting against a nut or a bolt head, a plurality of groups of stamping groove groups are arranged on the fastening surface, each group of stamping groove groups comprises a plurality of stamping grooves which are arranged at intervals along the radial direction of the connecting hole, and the plurality of groups of stamping groove groups are arranged at intervals along the circumferential direction of the connecting hole. The utility model can improve the friction coefficient of the fastening surface of the connecting plate, further meet the assembly design torque of parts in the whole life cycle, improve the installation reliability and the assembly quality, and improve the assembly efficiency of the whole vehicle.
Description
Technical Field
The utility model relates to an automobile, in particular to a structure for improving the friction coefficient of a fastening surface of an automobile connecting plate.
Background
The whole automobile has numerous parts, and besides the welded connection, the whole automobile is assembled by fastening bolts and nuts on an automobile body metal plate. At present to car assembly process, the panel beating surface of nut installation does not have the structure, and then leads to because coefficient of friction is not enough, leads to when the loading to actually tighten the moment of torsion and design moment of torsion target value and takes place the deviation, and the further torsion decay of torsion on the basis that does not reach standard after the car goes certain stroke in user's hand, very easily produces the pine and takes off, the abnormal sound. For the moving piece, the relative movement generates impact deformation, and great potential safety hazard exists. For example, the front strut assembly is a moving part, if the torque force does not reach the standard, relative motion is generated, then the front strut impacts a sheet metal mounting surface, and the deformed sheet metal surface reacts on the front strut and further causes deformation and fracture of a series of chain reactions of a front strut mounting base, so that the driving safety and the user experience of consumers are seriously affected, great damage is brought to brands, and the after-sale maintenance cost is increased.
Disclosure of Invention
The object of the present invention is to propose a structure for increasing the coefficient of friction of the fastening surface of a connection plate for vehicles, so as to alleviate or eliminate at least one of the above-mentioned technical problems.
The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate comprises the connecting plate, wherein the connecting plate is provided with a connecting hole, the periphery of the connecting hole is provided with a fastening surface which is used for being abutted against a nut or a bolt head, a plurality of groups of stamping groove groups are arranged on the fastening surface, each group of stamping groove groups comprises a plurality of stamping grooves which are arranged along one radial direction of the connecting hole at intervals, and the plurality of groups of stamping groove groups are arranged along the circumferential direction of the connecting hole at intervals.
Furthermore, the connecting plate is provided with a plurality of connecting holes, the periphery of the connecting holes is provided with the fastening surfaces, and the fastening surfaces are provided with a plurality of groups of stamping groove groups.
Further, the multiple groups of punching groove groups are arranged at equal intervals along the circumferential direction of the connecting hole.
Further, a plurality of the punching grooves in each group of the punching groove groups are arranged at equal intervals along a radial direction of the connecting hole.
Further, the connecting plate is a front pillar mounting plate.
Further, the diameter of each stamping groove is 0.5mm, and the drawing angle of each stamping groove is 6 degrees.
Further, the interval between two adjacent stamping grooves in each stamping groove group is 0.8 mm.
Further, each set of punch grooves includes 5 punch grooves.
The utility model can improve the friction coefficient of the fastening surface of the connecting plate, further meet the assembly design torque of parts in the whole life cycle, improve the installation reliability and the assembly quality, and improve the assembly efficiency of the whole vehicle.
Drawings
FIG. 1 is a schematic structural diagram of a front pillar mounting plate provided with a structure for increasing a friction coefficient of a fastening surface of an automobile connecting plate in the embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the assembly of the front pillar mounting plate and the front pillar assembly in the embodiment;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is a partially enlarged view of fig. 4.
In the figure: 1-front strut mounting plate; 2, connecting holes; 3, punching a groove; 4-front strut assembly; 5, a connecting seat; 6, bolts; 7-nut.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 to 5, taking the connecting plate as a front pillar mounting plate 1 as an example to specifically describe a structure for improving a friction coefficient of a fastening surface of an automobile connecting plate, the structure for improving the friction coefficient of the fastening surface of the automobile connecting plate comprises the connecting plate, the connecting plate is the front pillar mounting plate 1, the front pillar mounting plate 1 is provided with a connecting hole 2, the periphery of the connecting hole 2 is provided with a fastening surface for abutting against a nut or a bolt head, the fastening surface is provided with a plurality of groups of punching grooves, each group of punching grooves comprises a plurality of punching grooves 3 arranged along a radial direction of the connecting hole 2 at intervals, and the plurality of groups of punching grooves are arranged along the circumferential direction of the connecting hole 2 at intervals.
In this embodiment, the front pillar mounting plate 1 is provided with 3 connecting holes 2, the periphery of the 3 connecting holes 2 is provided with fastening surfaces, and the 3 fastening surfaces are provided with a plurality of groups of punching groove groups.
In the present embodiment, a plurality of sets of punching grooves are arranged at equal intervals in the circumferential direction of the connecting hole 2.
In the present embodiment, the plurality of punched grooves 3 in each group of punched grooves are arranged at equal intervals in a radial direction of the coupling hole 2.
In the present embodiment, the following dimensions are set reasonably according to the friction coefficient required for the fastening surface of the front pillar mounting plate 1: the diameter of the stamping groove 3 is 0.5mm, and the drawing angle of the stamping groove 3 is 6 degrees. The interval between two adjacent stamping grooves 3 in each stamping groove group is 0.8 mm. Each set of punch grooves comprises 5 punch grooves 3.
As shown in fig. 3 to 5, when in use, the front pillar mounting plate 1 is connected with the connecting seat 5 on the front pillar assembly 4 through the bolt 6 and the nut 7, the bolt 6 upwardly penetrates through the connecting seat 5 and the connecting hole 2 to be matched with the nut 7, and the flange surface of the nut 7 is abutted against the fastening surface of the front pillar mounting plate 1 after the nut 7 is screwed.
Through being equipped with multiunit punching press groove group on the fastening face at the connecting plate, can promote the coefficient of friction of the fastening face of connecting plate, solved the following problem of installation from the source: the risk of loosening caused by the design torque cannot be achieved in the installation process; when the designed torque is reached, the nut or the bolt is easy to slip and lose efficacy; loosening due to the attenuation of the torque force occurring after a long time. The three problems are solved, and the mounting reliability and the assembling quality are greatly improved. This promote structure of car connecting plate fastening surface coefficient of friction can be applied to the assembly of the heavy piece of whole car multiple relations, can solve the not up to standard pine of torsion and take off the risk that leads to, can avoid the problem that the assembly efficiency is low that nut or bolt are easy to be slided the tooth and are inefficacy and lead to again. The assembly level of the whole vehicle is solved and improved from the source, and the assembly level is stable and reliable.
Claims (8)
1. The utility model provides a promote structure of car connecting plate fastening face coefficient of friction which characterized in that: the connecting plate is provided with a connecting hole, a fastening surface used for being abutted to a nut or a bolt head is arranged on the periphery of the connecting hole, a plurality of groups of stamping groove groups are arranged on the fastening surface, each group of stamping groove groups comprises a plurality of stamping grooves arranged along one radial direction of the connecting hole at intervals, and the plurality of groups of stamping groove groups are arranged along the circumferential direction of the connecting hole at intervals.
2. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 1, characterized in that: the connecting plate is provided with a plurality of connecting holes, the periphery of the connecting holes is provided with the fastening surfaces, and the fastening surfaces are provided with a plurality of groups of stamping groove groups.
3. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 1, characterized in that: and the punching groove groups are arranged at equal intervals along the circumferential direction of the connecting hole.
4. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 1, characterized in that: and a plurality of stamping grooves in each set of stamping groove groups are arranged at equal intervals along a radial direction of the connecting hole.
5. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 1, characterized in that: the connecting plate is a front support mounting plate.
6. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 5, characterized in that: the diameter of the stamping groove is 0.5mm, and the drawing angle of the stamping groove is 6 degrees.
7. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 5, characterized in that: the interval between every two adjacent punching press recesses in every group punching press recess group is 0.8 mm.
8. The structure for improving the friction coefficient of the fastening surface of the automobile connecting plate according to claim 5, characterized in that: each set of said punch grooves comprises 5 said punch grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481482.9U CN215321858U (en) | 2021-06-30 | 2021-06-30 | Structure for improving friction coefficient of fastening surface of automobile connecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481482.9U CN215321858U (en) | 2021-06-30 | 2021-06-30 | Structure for improving friction coefficient of fastening surface of automobile connecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215321858U true CN215321858U (en) | 2021-12-28 |
Family
ID=79563638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121481482.9U Active CN215321858U (en) | 2021-06-30 | 2021-06-30 | Structure for improving friction coefficient of fastening surface of automobile connecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215321858U (en) |
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2021
- 2021-06-30 CN CN202121481482.9U patent/CN215321858U/en active Active
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