CN215245115U - Sheet metal stamping part for vehicle - Google Patents
Sheet metal stamping part for vehicle Download PDFInfo
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- CN215245115U CN215245115U CN202120469894.4U CN202120469894U CN215245115U CN 215245115 U CN215245115 U CN 215245115U CN 202120469894 U CN202120469894 U CN 202120469894U CN 215245115 U CN215245115 U CN 215245115U
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- sheet metal
- panel beating
- extension
- metal stamping
- stamping workpiece
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Abstract
The utility model discloses an automobile-used panel beating stamping workpiece relates to electric motor car accessory technical field. This automobile-used panel beating stamping workpiece is used for and bears formula connected to the frame, including panel beating stamping workpiece body and extension, the protruding panel beating stamping workpiece body of locating of extension and with panel beating stamping workpiece body coupling, the inside screw hole that is provided with of extension, the screw hole runs through panel beating stamping workpiece body, bears the formula frame and passes through bolt and screw hole spiro union. This automobile-used panel beating stamping workpiece's extension and panel beating stamping workpiece body coupling, during the processing preparation, but integrated into one piece is provided with the screw hole simultaneously in the extension inside, bears formula connected to the frame and passes through bolt and screw hole spiro union, and the extension can be equivalent to the effect of nut promptly. Compare need with nut and panel beating stamping workpiece resistance spot welding among the prior art, this automobile-used panel beating stamping workpiece need not to increase in addition spot welding process, has reduced manufacturing cost, has improved production efficiency.
Description
Technical Field
The utility model relates to an electric motor car accessory technical field especially relates to an automobile-used panel beating stamping workpiece.
Background
At present, the sheet metal stamping part has the characteristics of light weight, high strength, electric conduction, low cost, good large-scale mass production performance and the like, and is widely applied to the field of electric vehicles. In the prior art, a connection structure of a sheet metal stamping part for an electric vehicle basically mainly comprises welding and bolt connection. The bolt connection mode is a structure that firstly a weld nut and a sheet metal stamping part are subjected to resistance spot welding, and then another part is fastened with the weld nut and the sheet metal stamping part through a bolt. This kind of connected mode needs to increase in addition the spot welding process, increases spot welding equipment, leads to manufacturing cost to increase, has reduced production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile-used panel beating stamping workpiece need not to increase in addition spot welding process when connecting, has reduced manufacturing cost, has improved production efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an automobile-used panel beating stamping workpiece for with bear formula connected to the frame, wherein include:
a sheet metal stamping part body;
the extension, the protruding locating of extension panel beating stamping workpiece body and with panel beating stamping workpiece body an organic whole is connected, the inside screw hole that is provided with of extension, the screw hole runs through panel beating stamping workpiece body, bear the weight of the formula frame pass through the bolt with the screw hole spiro union.
Optionally, the sheet metal stamping part for the vehicle is made by cold stamping forming.
Optionally, the sheet metal stamping part for the vehicle is made of a steel QStE420TM material.
Optionally, the extension is cylindrical and has an outer diameter of 9 mm.
Optionally, the extension is 5mm in length.
Optionally, the threaded hole is made by in-mold tapping and has a thread specification of M6.
Optionally, the thread pitch of the threaded hole is 1 mm.
Optionally, the load that automobile-used sheet metal stamping workpiece can bear is more than or equal to 16500N.
Optionally, the shearing force of the sheet metal stamping part for the vehicle is greater than or equal to 3800N.
Optionally, the torque value of the sheet metal stamping part for the vehicle is greater than or equal to 15N · m.
The utility model has the advantages that: the utility model provides an automobile-used panel beating stamping workpiece, including panel beating stamping workpiece body and extension, extension and panel beating stamping workpiece body coupling, during the processing preparation, but integrated into one piece is provided with the screw hole in the extension inside simultaneously, bears formula connected to the frame and passes through bolt and screw hole spiro union, and the extension can be equivalent to the effect of nut promptly. Compare need with nut and panel beating stamping workpiece resistance spot welding among the prior art, this automobile-used panel beating stamping workpiece need not to increase in addition spot welding process, has reduced manufacturing cost, has improved production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a sheet metal stamping part for a vehicle provided by an embodiment of the present invention;
fig. 2 is a sectional view in the direction a-a of fig. 1.
In the figure:
1-a sheet metal stamping part body;
2-an extension; 21-threaded hole.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention will be further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, this sheet metal stamping part for vehicle is used for being connected with the formula of bearing frame, including sheet metal stamping part body 1 and extension 2, wherein extension 2 protruding locate sheet metal stamping part body 1 and with sheet metal stamping part body 1 body coupling, the inside screw hole 21 that is provided with of extension 2, screw hole 21 runs through sheet metal stamping part body 1, the formula of bearing frame passes through bolt and screw hole 21 spiro union. It can be understood that extension 2 and sheet metal stamping part body 1 body coupling, during the processing preparation, but integrated into one piece, be provided with screw hole 21 in extension 2 inside simultaneously, bear formula frame connection and pass through bolt and screw hole 21 spiro union, extension 2 can be equivalent to the effect of nut promptly. Compare need with nut and panel beating stamping workpiece resistance spot welding among the prior art, this automobile-used panel beating stamping workpiece need not to increase in addition spot welding process, has reduced manufacturing cost, has improved production efficiency.
In this embodiment, this sheet metal stamping spare for vehicle mainly used bears the installation hard point department of formula frame, is bearing stress structure. As for the specific position of extension 2 setting on sheet metal stamping part body 1, do not do the restriction here, can select suitable position according to actual need adaptability.
Optionally, the sheet metal stamping for the vehicle is made by cold stamping. In this embodiment, this automobile-used panel beating stamping workpiece uses the material mould cold stamping forming that the material thickness equals 1.5mm, and processing is simple and convenient, can reduce manufacturing procedure. In other embodiments, other material thickness molds may be used.
Optionally, the sheet metal stamping part for the vehicle is made of a Bao steel QStE420TM material. It can be understood that the Bao steel QStE420TM is good in performance, and the service life of the automobile sheet metal stamping part can be prolonged. In other embodiments, other materials may be used.
Alternatively, the extension 2 is cylindrical and has an outer diameter of 9 mm. It can be understood that the extension part 2 is provided in a cylindrical shape for easy manufacturing, and the outer diameter is set to 9mm for easy processing of the screw hole 21. In this embodiment, the tolerance of the outer diameter of the extension 2 is +0.2mm to 0 mm. In other embodiments, the tolerance of the outer diameter of the extension 2 can also be adapted; the shape of the extension part 2 can also be cuboid, and the size can also be adaptively adjusted according to the actual use requirement.
Optionally, the extension 2 is 5mm in length. It will be appreciated that a length of 5mm is sufficient for connection with a bolt. In other embodiments, the length of the extension part 2 can be adjusted adaptively according to the actual use requirement.
Alternatively, the threaded hole 21 is made using die tapping and has a thread gauge M6. Specifically, the thread pitch of the threaded hole 21 is 1 mm. In the present embodiment, the minor diameter of the thread of the screw hole 21 is equal to 4.917mm, and the major diameter of the thread of the screw hole 21 is equal to 5.35 mm. The tolerance band of the thread is determined to be 6H according to the group of the tolerance precision of the thread and the screwing length. The tolerance band is suitable for threads before coating. After coating, any point on the actual tooth profile of the thread should not exceed the maximum solid tooth form determined by the tolerance position H. In other embodiments, the specification of the thread in the threaded hole 21 can be adjusted according to the requirement adaptability of actual use, and the tolerance zone of the thread can also be selected according to the actual processing adaptability.
Optionally, the load that this automobile-used sheet metal stamping workpiece can bear is more than or equal to 16500N. In this embodiment, the sheet metal stamping part for a vehicle is screwed into the threaded mandrel, a load is applied according to 16500N, and the screw thread of the threaded hole 21 of the sheet metal stamping part for a vehicle is kept for 15s without being released or broken. When the load is removed, the sheet metal stamping part for the vehicle can be screwed out by hand, or can be screwed out by hand after being lightly hammered. In the test, if the threaded core rod is damaged, the test is abandoned. Meanwhile, the hardness of the threaded core rod is more than or equal to 45HRC, the thread tolerance is 5h6g, and the major diameter is controlled within a range of one fourth of the 6g tolerance band close to the lower limit. It can be understood that the load that this automobile-used panel beating stamping workpiece can bear keeps in the within range of more than or equal to 16500N, can guarantee this automobile-used panel beating stamping workpiece's performance and increase of service life. In other embodiments, the size of the load that this automobile-used sheet metal stamping workpiece can bear can be adjusted according to the different adaptability of actual use demand, also can adopt other methods to test.
Optionally, the shearing force of the sheet metal stamping part for the vehicle is greater than or equal to 3800N. It can be understood that, when the sheet metal stamping part for the vehicle is applied with load to the thread of the threaded hole 21, the shearing force thereof is in accordance with the regulation of being more than or equal to 3800N, thereby ensuring the use performance of the thread of the threaded hole 21. In other embodiments, the shearing force of the sheet metal stamping part for the vehicle can be adaptively adjusted according to actual use conditions.
Optionally, the torque value of the sheet metal stamping part for the vehicle is greater than or equal to 15N · m. In this embodiment, the sheet metal stamping part for the vehicle is screwed into the test bolt without any lubrication, and torque is applied until the sheet metal stamping part for the vehicle is broken or the threads are disengaged, and the torque value is greater than or equal to 15N · m. The torque measuring error of a torsion testing machine or a tool used in the test is not more than +/-2% of the maximum rated torque. The test bolt adopts a GB/T57828.8 grade hexagon head bolt. The above-mentioned testing process and principle are prior art and will not be described herein. In other embodiments, the torque value of the sheet metal stamping part for the vehicle can be adaptively adjusted according to actual use requirements.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an automobile-used panel beating stamping workpiece for with bear formula connected to the frame, its characterized in that includes:
a sheet metal stamping part body (1);
extension (2), protruding locating of extension (2) panel beating stamping part body (1) and with panel beating stamping part body (1) an organic whole, extension (2) inside is provided with screw hole (21), screw hole (21) run through panel beating stamping part body (1), bear the formula frame pass through the bolt with screw hole (21) spiro union.
2. The sheet metal stamping of claim 1, wherein the sheet metal stamping is formed by cold stamping.
3. The sheet metal stamping of claim 1, wherein the sheet metal stamping is made of a steel QStE420TM material.
4. Sheet metal stamping according to claim 1, wherein the extension (2) is cylindrical and has an outer diameter of 9 mm.
5. Sheet metal stamping according to claim 1, characterised in that the length of the extension (2) is 5 mm.
6. Sheet metal stamping according to claim 1, wherein the threaded hole (21) is made by in-die tapping and has a thread specification of M6.
7. Sheet metal stamping according to claim 1, characterised in that the thread pitch of the threaded hole (21) is 1 mm.
8. The sheet metal stamping part for the vehicle as claimed in claim 1, wherein the sheet metal stamping part for the vehicle can bear a load of 16500N or more.
9. The sheet metal stamping part for the vehicle as claimed in claim 1, wherein the shearing force of the sheet metal stamping part for the vehicle is 3800N or more.
10. The sheet metal stamping according to claim 1, wherein the sheet metal stamping has a torque value of 15N-m or greater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469894.4U CN215245115U (en) | 2021-03-04 | 2021-03-04 | Sheet metal stamping part for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469894.4U CN215245115U (en) | 2021-03-04 | 2021-03-04 | Sheet metal stamping part for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215245115U true CN215245115U (en) | 2021-12-21 |
Family
ID=79502961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120469894.4U Active CN215245115U (en) | 2021-03-04 | 2021-03-04 | Sheet metal stamping part for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215245115U (en) |
-
2021
- 2021-03-04 CN CN202120469894.4U patent/CN215245115U/en active Active
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