CN218151912U - Fastening structure for high-voltage wire harness terminal - Google Patents
Fastening structure for high-voltage wire harness terminal Download PDFInfo
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- CN218151912U CN218151912U CN202221818849.6U CN202221818849U CN218151912U CN 218151912 U CN218151912 U CN 218151912U CN 202221818849 U CN202221818849 U CN 202221818849U CN 218151912 U CN218151912 U CN 218151912U
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- bolt
- wire harness
- voltage wire
- fastening structure
- harness terminal
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Abstract
The utility model discloses a fastening structure for a high-voltage wire harness terminal, which comprises a press-riveting bolt and a flange bushing, wherein the press-riveting bolt comprises a screw head and a bolt head, and the screw head and the bolt head are integrally formed; the screw rod portion includes guide part, first screw thread portion and second screw thread portion in proper order, guide part, first screw thread portion and second screw thread portion integrated into one piece, the bolt head is spline structure, the pressure rivet bolt with flange bush interference fit is connected. The utility model discloses a fastening structure for high-voltage wire harness terminal, which has higher connection strength and high corrosion resistance; good locking force and cooperation degree have been realized to mutually supporting of first screw thread portion and second screw thread portion, have guaranteed the connection performance of high-voltage wire harness terminal, have prolonged life.
Description
Technical Field
The utility model belongs to the technical field of the car fastener, concretely relates to high pressure pencil fastener for terminal.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, and is widely used in the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure, home furnishing and the like. The most common fasteners are bolts, nuts, etc. which perform the fastening function by a threaded or interference fit when assembled.
The most important part of the fastener is a rivet pressing bolt, also called a rivet pressing screw and a rivet pressing screw, which are used for rivet pressing and are standard parts. The pressure riveting bolt is generally used for electronic mechanical equipment, metal plate products in the metal industry, hardware stamping or copper-aluminum plastic and other materials, and the threaded head, namely the tail end of the pressure riveting bolt, needs to enter a product material base body in a stamping or other extrusion mode when in use and installation.
The riveting bolt on the market is various nowadays, can satisfy people's user demand basically, but still has certain problem. For example, in chinese utility model patent with publication number CN206206363U, a pivot bolt is disclosed, which comprises a bolt head and a bolt rod formed on the bolt head, wherein the longitudinal section of the bolt head is semicircular and adopts a semicircular structure. The clinch bolt has poor locking force when in use, thereby causing insufficient fastening when the clinch bolt is connected with an object to be fastened.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at solving the not enough among the prior art, provide a high-pressure pencil fastening structure for terminal.
The technical scheme is as follows: the utility model discloses a fastening structure for high-voltage wire harness terminal, including pressure riveting bolt and flange bush, pressure riveting bolt includes screw rod portion and bolt head portion, screw rod portion and bolt head portion integrated into one piece; the screw rod portion includes guide part, first screw thread portion and second screw thread portion in proper order, guide part, first screw thread portion and second screw thread portion integrated into one piece, the bolt head is spline structure, the pressure rivet bolt with flange bush interference fit is connected.
Furthermore, the riveting bolt is made of 10B21 carbon steel material.
Further, the surface of the pressure riveting bolt is galvanized.
Further, the first thread part adopts an M8 external thread.
Further, the second thread part adopts a vertical external thread.
Furthermore, the included angle between two adjacent threads of the vertical external thread is 90 degrees.
Furthermore, a knurling transition structure is adopted at the position, close to the first threaded part, of the second threaded part.
Furthermore, the included angle of the transition surface of the knurling transition structure is 25-30 degrees.
Further, the length of the first thread part is greater than that of the second thread part.
Further, the spline structure includes a protrusion portion and a groove portion.
Has the advantages that: the utility model has the advantages as follows:
(1) In the utility model, the screw part of the bolt adopts two thread structures to combine together, thereby realizing good locking force and matching degree and ensuring the connection performance of the high-voltage wire harness terminal;
(2) In the utility model, the vertical thread structure in the screw part of the bolt is in interference fit with the inner side of the flange bushing, thus improving the locking force and the connection performance;
(3) In the utility model, the head of the bolt adopts a spline structure, thereby facilitating the clamping of the clamp during the spin riveting assembly;
(4) The utility model discloses in, the pressure is riveted the bolt and is adopted 10B21 carbon steel material to make, and the surface galvanization to fastener bulk strength and corrosion resisting property have been improved.
Drawings
FIG. 1 is a front view of the structure of an embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view of the A-A structure of FIG. 1;
fig. 3 is a front view of a flange bushing structure according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships shown only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
As shown in fig. 1 and 3, a fastening structure for a high-voltage wire harness terminal includes a clinch bolt and a flange bushing 9. As shown in fig. 1, the clinch bolt comprises a screw shaft portion 3 and a bolt head portion 6, wherein the screw shaft portion 3 and the bolt head portion 6 are integrally formed; screw section 3 includes guide part 1, first screw thread portion 2 and second screw thread portion 5 in proper order, guide part 1, first screw thread portion 2 and second screw thread portion 5 integrated into one piece, bolt head 6 is spline structure, the pressure rivet bolt with 9 interference fit of flange bush are connected.
Example 2
As shown in fig. 1 to 3, a fastening structure for a high-voltage wire harness terminal includes a clinch bolt and a flange bushing 9. As shown in fig. 1, the clinch bolt comprises a screw shaft portion 3 and a bolt head portion 6, wherein the screw shaft portion 3 and the bolt head portion 6 are integrally formed; screw portion 3 includes guide part 1, first screw portion 2 and second screw portion 5 in proper order, guide part 1, first screw portion 2 and second screw portion 5 integrated into one piece, bolt head 6 is the spline structure, the pressure rivet bolt with flange bush 9 interference fit is connected.
In this embodiment, the clinch bolt is preferably made of 10B21 carbon steel. 10B21 carbon steel has high hardness, high wear resistance, and good fatigue resistance. Firstly, cold heading is carried out on the raw material, and then thread rolling is carried out.
In the embodiment, the surface of the pressure riveting bolt is galvanized, so that the corrosion resistance of the bolt can be improved.
In this embodiment, as shown in fig. 1, the first thread part 2 is an M8 external thread, and the M8 external thread is matched with a counterpart.
In this embodiment, as shown in fig. 1, the second thread part 5 is a vertical external thread, which is perpendicular to the bolt head and parallel to the bolt head. In the pressure riveting bolt in this embodiment, set up to perpendicular type external screw thread through second screw thread portion 5 to can realize zonulae occludens with flange bush hole interference fit.
Example 3
As shown in fig. 1 to 3, a fastening structure for a high-voltage wire harness terminal includes a clinch bolt and a flange bushing 9. As shown in fig. 1, the clinch bolt comprises a screw shaft portion 3 and a bolt head portion 6, wherein the screw shaft portion 3 and the bolt head portion 6 are integrally formed; screw portion 3 includes guide part 1, first screw portion 2 and second screw portion 5 in proper order, guide part 1, first screw portion 2 and second screw portion 5 integrated into one piece, bolt head 6 is the spline structure, the pressure rivet bolt with flange bush 9 interference fit is connected.
In this embodiment, the clinch bolt is preferably made of 10B21 carbon steel. 10B21 carbon steel has high hardness, high wear resistance, and good fatigue resistance. Firstly, cold heading is carried out on the raw material, and then thread rolling is carried out.
In the embodiment, the surface of the pressure riveting bolt is galvanized, so that the corrosion resistance of the bolt can be improved.
In this embodiment, as shown in fig. 1, the first thread part 2 is an M8 external thread, and the M8 external thread is matched with the counterpart member.
In this embodiment, as shown in fig. 1, the second thread part 5 is a vertical external thread, which is perpendicular to the bolt head and parallel to the bolt head. In the pressure riveting bolt in this embodiment, set up to perpendicular type external screw thread through second screw thread portion 5 to can realize zonulae occludens with flange bush hole interference fit.
In this embodiment, as shown in fig. 2, an included angle between two adjacent threads of the vertical external thread is 90 °.
In this embodiment, as shown in fig. 1, a knurled transition structure 4 is adopted at a position of the second threaded portion 5 close to the first threaded portion 2. Further, the included angle of the transition surface of the knurled transition structure 4 is 25-30 degrees.
In this embodiment, the length of the first threaded part 2 is greater than the length of the second threaded part 5.
In the present embodiment, as shown in fig. 2, the spline structure includes a boss portion 7 and a groove portion 8.
The utility model discloses a fastener is when the assembly, and the pressure is riveted bolt and flange bush and is to joining in marriage, and there is the guide part perpendicular screw thread below, with the leading-in flange bush to joining in marriage of bolt, perpendicular screw thread and flange bush hole interference fit form the meshing after-fixing, and adversary's piece is attacked to M8 thread, and the head spline is used for riveting anchor clamps centre gripping when the assembly soon.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a high-pressure pencil is fastening structure for terminal which characterized in that: the riveting device comprises a riveting bolt and a flange bushing (9), wherein the riveting bolt comprises a screw rod part (3) and a bolt head part (6), and the screw rod part (3) and the bolt head part (6) are integrally formed; screw rod portion (3) include guide part (1), first screw thread portion (2) and second screw thread portion (5) in proper order, guide part (1), first screw thread portion (2) and second screw thread portion (5) integrated into one piece, bolt head (6) are spline structure, the pressure rivet bolt with flange bush (9) interference fit is connected.
2. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: the pressure riveting bolt is made of 10B21 carbon steel material.
3. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: and galvanizing the surface of the pressure riveting bolt.
4. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: the first thread part (2) adopts an M8 external thread.
5. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: the second thread part (5) adopts a vertical external thread.
6. The fastening structure for the high voltage wire harness terminal according to claim 5, characterized in that: the included angle between two adjacent threads of the vertical external thread is 90 degrees.
7. The fastening structure for the high voltage wire harness terminal according to claim 1, characterized in that: and a knurled transition structure (4) is adopted at the position of the second threaded part (5) close to the first threaded part (2).
8. The fastening structure for a high-voltage wire harness terminal according to claim 7, characterized in that: the included angle of the transition surface of the knurling transition structure (4) is 25-30 degrees.
9. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: the length of the first threaded part (2) is greater than the length of the second threaded part (5).
10. The fastening structure for a high-voltage wire harness terminal according to claim 1, characterized in that: the spline structure comprises a convex portion (7) and a concave portion (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818849.6U CN218151912U (en) | 2022-07-15 | 2022-07-15 | Fastening structure for high-voltage wire harness terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818849.6U CN218151912U (en) | 2022-07-15 | 2022-07-15 | Fastening structure for high-voltage wire harness terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151912U true CN218151912U (en) | 2022-12-27 |
Family
ID=84594767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221818849.6U Active CN218151912U (en) | 2022-07-15 | 2022-07-15 | Fastening structure for high-voltage wire harness terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151912U (en) |
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2022
- 2022-07-15 CN CN202221818849.6U patent/CN218151912U/en active Active
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