CN218997121U - Terminal and terminal assembly - Google Patents
Terminal and terminal assembly Download PDFInfo
- Publication number
- CN218997121U CN218997121U CN202222879740.XU CN202222879740U CN218997121U CN 218997121 U CN218997121 U CN 218997121U CN 202222879740 U CN202222879740 U CN 202222879740U CN 218997121 U CN218997121 U CN 218997121U
- Authority
- CN
- China
- Prior art keywords
- terminal
- limit
- fitting portion
- cavity
- insulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003780 insertion Methods 0.000 claims abstract description 18
- 238000002788 crimping Methods 0.000 claims abstract description 17
- 230000037431 insertion Effects 0.000 claims abstract description 17
- 239000012212 insulator Substances 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000004080 punching Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000013011 mating Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a terminal and a terminal assembly, wherein the terminal comprises an opposite insertion part, an assembly part, a limit flange and a crimping part which are connected in sequence; at least the counter-insert portion and the fitting portion are rolled into a cylindrical shape by sheet stamping, the limit flange has two opposite flanks, and the radial height of the edges of the flanks exceeds the outer surface of the fitting portion. According to the terminal and the terminal assembly, at least the opposite inserting part and the assembling part in the terminal are manufactured by punching and curling plates, and assembling steps are omitted in the manufacturing process, so that the difficulty and the production cost are reduced, the production efficiency can be effectively improved, and the market competitiveness is enhanced.
Description
Technical Field
The present utility model relates to the field of connector fabrication, and more particularly, to a terminal and a terminal assembly.
Background
In the fakra connector, the terminal is generally cylindrical, and in order to realize the front limit function during terminal installation, a concentric annular step is generally designed on the outer surface of the terminal and is used for being matched with a corresponding step in an insulator of the fakra connector to realize the front limit during installation. However, in fakra connectors used in the automotive industry, terminals are manufactured by a stamping process, based on cost and efficiency considerations, under which, if it is desired to stamp concentric annular steps into a small-sized terminal part, the diameter is generally changed by an inclined surface, and a vertical surface cannot be formed as in machining. In this case, it is difficult to realize the front limit function of terminal fitting by the inclined surface. Therefore, providing a terminal that can achieve the limit function before terminal loading and is suitable for stamping process production is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
An object of the present utility model is to provide a new technical solution of a terminal and a terminal assembly, which can enhance the limit function between the terminal and an insulator.
According to a first aspect of the present utility model, there is provided a terminal including an insertion portion, an assembling portion, a limit flange, and a crimping portion connected in this order; at least the counter-insert portion and the fitting portion are rolled into a cylindrical shape by sheet stamping, the limit flange has two opposite flanks, and the radial height of the edges of the flanks exceeds the outer surface of the fitting portion.
Optionally, the outer diameter of the fitting portion is different from the outer diameter of the counter portion, and the outer peripheral wall of the fitting portion is provided with at least one limit protrusion.
Optionally, the radial height of the limit projection on the outer peripheral wall of the fitting portion gradually increases in the direction from the fitting portion to the crimping portion.
Optionally, the number of the limiting protrusions is multiple, and the multiple limiting protrusions are arranged at intervals or continuously along the circumferential direction or the axial direction of the assembly part.
Optionally, the press-fit portion is press-curled into a cylindrical shape from a plate material, and the counter-insertion portion, the fitting portion and the press-fit portion are coaxially disposed.
Optionally, the limiting flange is provided with a first limiting surface towards one side of the opposite insertion part, and an inclination angle formed by the first limiting surface relative to the outer peripheral wall of the assembly part is less than or equal to 90 degrees.
According to a first aspect of the utility model. There is provided a terminal assembly comprising a terminal as claimed in any one of the preceding claims and an insulator which is arranged around at least part of the periphery of the terminal, the insulator being internally provided with a first cavity which accommodates at least part of the fitting portion and a second cavity which accommodates at least part of the limit flange.
Optionally, at least one circumferential limit groove is provided on the inner peripheral wall of the first cavity, and the limit groove is configured to accommodate the limit protrusion and limit the movement of the terminal from the fitting portion to the crimping portion.
Optionally, a step surface is disposed between the first cavity and the second cavity, and the first limiting surface abuts against the step surface and limits movement of the terminal from the crimping portion to the fitting portion.
Optionally, the axial distance from the side wall of the limit groove, which is close to the high point of the limit protrusion, to the step surface is smaller than or equal to the axial distance from the high point of the limit protrusion to the first limit surface.
According to the terminal and the terminal assembly disclosed by the utility model, the following beneficial effects are achieved:
1. at least the opposite inserting part and the assembling part in the terminal are manufactured by punching and curling plates, and assembling steps are omitted in the manufacturing process, so that the difficulty and the production cost are reduced, the production efficiency can be effectively improved, and the market competitiveness is enhanced.
2. The outer diameter of the fitting portion and the outer diameter of the mating portion may be selected according to the shape of the terminal and the insulator to which the terminal is connected, and the outer diameter of the fitting portion may be larger than the outer diameter of the mating portion, and the outer diameter of the fitting portion may be smaller than or equal to the outer diameter of the mating portion.
3. The radial height of the limit projection on the outer peripheral wall of the fitting portion is gradually increased along the direction from the fitting portion to the crimping portion. It is possible to prevent the terminal from coming out in a direction opposite to the terminal insertion direction after the terminal is inserted into the insulator.
4. The plurality of limit projections may be provided at intervals or continuously along the circumferential direction or the axial direction of the fitting portion at the fitting portion outer peripheral wall, and the connection between the terminal and the insulator may be further enhanced.
5. The first limiting surface forms an inclined angle smaller than or equal to 90 degrees relative to the outer peripheral wall of the assembly part, so that the terminal can be prevented from being inserted into the insulator in a transitional manner in the process of inserting the terminal into the insulator, and the terminal deviates from a preset position.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic view of a terminal according to the present utility model;
fig. 2 is an axial cross-sectional view of the terminal assembly of the present utility model installed in an outer shield;
fig. 3 is an enlarged view at a in fig. 2.
The figures are marked as follows:
1-terminals; 11-an inserting part; 12-fitting part; 13-a limit flange; 131-a first limiting surface; 14-crimping part; 15-limiting protrusions;
2-an insulator; 21-a limit groove; 22-a first cavity; 23-a second cavity; 24-step surface;
3-outer shield.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
According to one terminal 1 of the present disclosure, as shown in fig. 1 to 3, the terminal 1 includes a pair of insertion portions 11, a fitting portion 12, a limit flange 13, and a crimping portion 14, which are connected in order; at least the counter-insert 11 and the fitting 12 are rolled by sheet metal stamping into a cylinder, the limit flange 13 having two opposite flanks whose edges are radially higher than the outer surface of the fitting 12.
In this embodiment, at least the opposite insertion portion 11 and the assembly portion 12 in the terminal 1 are made of sheet materials by punching and crimping, and there is no assembly step in the manufacturing process, so that the difficulty and the production cost are reduced, the production efficiency can be effectively improved, and the market competitiveness is enhanced.
In actual production, the plate can be a tin bronze plate.
Through setting up limit flange 13, in the in-process of terminal 1 and insulator 2 equipment, through limit flange 13 and insulator 2 corresponding position's cooperation, prescribe position department in insulator 2 with terminal 1, be favorable to the stability of connecting between terminal 1 and the insulator 2, strengthen the mechanical properties that terminal 1 and insulator 2 are connected.
By forming the limit flange 13 in a stamping process, the angle at which the first limit surface 131 of the limit flange 13 is inclined with respect to the outer peripheral wall of the fitting portion 12 can be selected according to actual needs.
In one embodiment of the terminal 1 according to the present disclosure, as shown in fig. 1 and 2, the outer diameter of the fitting portion 12 is different from the outer diameter of the inserting portion 11, and at least one limit protrusion 15 is provided on the outer peripheral wall of the fitting portion 12.
The outer diameter of the fitting portion 12 and the outer diameter of the mating portion 11 may be selected according to the shape of the terminal 1 and the insulator 2 connected thereto, the outer diameter of the fitting portion 12 may be larger than the outer diameter of the mating portion 11, and the outer diameter of the fitting portion 12 may be smaller than or equal to the outer diameter of the mating portion 11. In the present embodiment, the outer diameter of the fitting portion 12 is larger than the outer diameter of the counter portion 11.
Specifically, as shown in fig. 1, 2 and 3, the height of the limit projection 15 in the radial direction on the outer peripheral wall of the fitting portion 12 gradually increases in the direction from the fitting portion 12 to the crimping portion 14. It is possible to prevent the terminal 1 from coming out in the direction opposite to the insertion direction of the terminal 1 after the insertion of the insulator 2.
Specifically, the number of the limiting protrusions 15 is plural, and the plurality of limiting protrusions 15 are disposed at intervals or continuously along the circumferential direction or the axial direction of the assembling portion 12.
The limit protrusions 15 may be disposed at intervals or continuously along the circumferential direction or the axial direction of the fitting portion 12 on the outer peripheral wall of the fitting portion 12, so that the connection between the terminal 1 and the insulator 2 may be further enhanced; by enlarging at least one of the circumferential dimension and the axial dimension of each of the stopper projections 15 provided at intervals in the axial direction as it approaches one end of the insertion portion, it is possible to prevent the stopper projections 15 on the side closer to the counter portion 11 from being inserted into the stopper grooves 21 on the side farther from the counter portion 11 during insertion of the terminal 1 into the insulator 2, and to prevent the terminal 1 from failing to enter a predetermined position in the insulator 2.
In one embodiment of the terminal 1 according to the present disclosure, as shown in fig. 1, the crimp portion 14 is press-curled into a cylindrical shape from a plate material, and the pair of insertion portions 11, the fitting portion 12, and the crimp portion 14 are coaxially disposed.
The shape of the insertion portion 11 and the fitting portion 12 is cylindrical, and the crimping portion 14 is also formed by press crimping from a plate material, which has the following advantages:
(1) The dimensional accuracy is ensured by the die, so that the processed parts have the characteristics of stable quality, good consistency and consistent appearance.
(2) The stamping forming can obtain parts with thin wall, light weight, good rigidity, high surface quality and complex shape;
(3) The material utilization rate is high, and the method belongs to chip-less and even chip-free processing;
(4) The efficiency is high, the operation is convenient, and the technical grade of the required workers is not high;
(5) The die has long service life and low production cost.
In the present embodiment, the counter portion 11 and the fitting portion 12 are designed into a cylindrical structure, so that the terminal 1 is lighter in weight while saving raw materials.
In one embodiment of the terminal 1 according to the present disclosure, as shown in fig. 1 to 3, the side of the limit flange 13 facing the opposite insertion portion 11 is provided with a first limit surface 131, and the first limit surface 131 forms an inclination angle of 90 degrees or less with respect to the outer peripheral wall of the fitting portion 12.
The first stopper surface 131 forms an inclination angle of 90 degrees or less with respect to the outer peripheral wall of the fitting portion 12, and can prevent the terminal 1 from being excessively inserted into the insulator 2 from being deviated from a predetermined position during the insertion of the terminal 1 into the insulator 2.
A terminal assembly according to the present disclosure, as shown in fig. 2 and 3, includes a terminal 1 and an insulator 2 sleeved on at least a part of the outer circumference of the terminal 1, wherein a first cavity 22 for accommodating at least a part of the fitting portion 12 and a second cavity 23 for accommodating at least a part of the limit flange 13 are provided inside the insulator 2.
The terminal 1 can be protected by the insulator 2 by constituting the terminal assembly with the terminal 1, and the terminal 1 and the outer shield 3 of the fakra connector can be prevented from being electrically connected by separating the terminal 1 and the outer shield 3 of the fakra connector by the insulator 2 when the terminal 1 is applied into the outer shield 3 of the fakra connector.
By providing the first cavity 22, the inner peripheral wall of the first cavity 22 is connected to the fitting portion 12, and the function of fixing the terminal 1 and the insulator 2 can be achieved. By providing the second cavity 23 to accommodate the limit flange 13, the terminal 1 is prevented from being excessively inserted into the insulator 2 from deviating from a predetermined position.
Specifically, as shown in fig. 3, at least one circumferential limit groove 21 is provided on the inner peripheral wall of the first cavity 22, and the limit groove 21 is configured to accommodate the limit protrusion 15 and limit the movement of the terminal 1 from the fitting portion 12 to the press-connection portion 14.
Through the cooperation between spacing protruding 15 and spacing recess 21, can play the effect of fixed terminal 1 and insulator 2, increase the mechanical nature that terminal 1 and insulator 2 connect.
Specifically, as shown in fig. 3, a step surface 24 is provided between the first cavity 22 and the second cavity 23, and the first stopper surface 131 abuts against the step surface 24 and restricts movement of the terminal 1 from the press-contact portion 14 to the fitting portion 12.
The first stopper surface 131 abuts against the stepped surface 24 during insertion of the terminal 1 into the insulator 2, thereby preventing the terminal 1 from being excessively inserted into the insulator 2 and being deviated from a predetermined position.
Specifically, the axial distance from the side wall of the limit groove 21, which is close to the high point of the limit protrusion 15, to the step surface 24 is smaller than or equal to the axial distance from the high point of the limit protrusion 15 to the first limit surface 131. The limit projection 15 may be configured to have an abutment surface provided toward the direction of the crimping portion 14, and the limit groove 21 can prevent the terminal 1 from coming off in the direction opposite to the direction in which the terminal 1 is inserted into the insulator 2, ensuring firm connection between the terminal 1 and the insulator 2.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. The terminal is characterized by comprising an inserting part, an assembling part, a limiting flange and a crimping part which are connected in sequence; at least the counter-insert portion and the fitting portion are rolled into a cylindrical shape by sheet stamping, the limit flange has two opposite flanks, and the radial height of the edges of the flanks exceeds the outer surface of the fitting portion.
2. The terminal of claim 1, wherein the outer diameter of the fitting portion is different from the outer diameter of the counter portion, and wherein the fitting portion outer peripheral wall is provided with at least one limit projection.
3. The terminal according to claim 2, wherein a radial height of the stopper projection on the fitting portion outer peripheral wall gradually increases in a direction from the fitting portion to the crimping portion.
4. The terminal according to claim 2, wherein the number of the limit protrusions is plural, and the plurality of limit protrusions are arranged at intervals or continuously along the fitting portion circumferential direction 9 or the axial direction.
5. The terminal according to claim 1, wherein the crimping portion is press-curled into a cylindrical shape from a plate material, and the pair of insertion portions, the fitting portion, and the crimping portion are coaxially disposed.
6. The terminal according to claim 1, wherein the limit flange is provided with a first limit surface toward the side of the insertion portion, the first limit surface forming an inclination angle of 90 degrees or less with respect to an outer peripheral wall of the fitting portion.
7. A terminal assembly comprising the terminal of any one of claims 1 to 6 and an insulator disposed around at least a portion of the periphery of the terminal, the insulator having a first cavity therein for receiving at least a portion of the mounting portion and a second cavity therein for receiving at least a portion of the stop flange.
8. The terminal assembly of claim 7, wherein the first cavity inner peripheral wall is provided with at least one circumferential limit groove configured to receive a limit projection of the fitting portion and limit movement of the terminal from the fitting portion to the crimp portion.
9. The terminal assembly of claim 8, wherein a stepped surface is provided between the first cavity and the second cavity, a first stop surface of the stop flange abutting the stepped surface and limiting movement of the terminal from the crimp portion to the mounting portion.
10. The terminal assembly of claim 9, wherein the axial distance from the stepped surface of the limit groove adjacent the sidewall of the high point of the limit projection is less than or equal to the axial distance from the high point of the limit projection to the first limit surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879740.XU CN218997121U (en) | 2022-10-31 | 2022-10-31 | Terminal and terminal assembly |
| PCT/CN2023/128522 WO2024094005A1 (en) | 2022-10-31 | 2023-10-31 | Terminal and terminal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879740.XU CN218997121U (en) | 2022-10-31 | 2022-10-31 | Terminal and terminal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997121U true CN218997121U (en) | 2023-05-09 |
Family
ID=86221700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222879740.XU Active CN218997121U (en) | 2022-10-31 | 2022-10-31 | Terminal and terminal assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218997121U (en) |
| WO (1) | WO2024094005A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024094013A1 (en) * | 2022-10-31 | 2024-05-10 | 常州捷翼汽车零部件有限公司 | Terminal |
| WO2024094005A1 (en) * | 2022-10-31 | 2024-05-10 | 常州捷翼汽车零部件有限公司 | Terminal and terminal assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08106932A (en) * | 1994-10-05 | 1996-04-23 | Yazaki Corp | Plug cap for spark plug |
| CN208970794U (en) * | 2018-11-28 | 2019-06-11 | 深圳市蓝晟电子有限公司 | A kind of automobile camera shooting head connector suitable for high-frequency transmission |
| CN209045936U (en) * | 2018-11-28 | 2019-06-28 | 深圳市蓝晟电子有限公司 | A kind of used in HF transmission automobile camera head Anti-misplug connector |
| JP7318500B2 (en) * | 2019-11-21 | 2023-08-01 | Smk株式会社 | ELECTRICAL CONNECTOR AND METHOD FOR MANUFACTURING ELECTRICAL CONNECTOR |
| CN217036189U (en) * | 2022-02-09 | 2022-07-22 | 深圳市蓝晟电子有限公司 | Radio frequency male end connector and connector assembly |
| CN218997121U (en) * | 2022-10-31 | 2023-05-09 | 常州捷翼汽车零部件有限公司 | Terminal and terminal assembly |
-
2022
- 2022-10-31 CN CN202222879740.XU patent/CN218997121U/en active Active
-
2023
- 2023-10-31 WO PCT/CN2023/128522 patent/WO2024094005A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024094013A1 (en) * | 2022-10-31 | 2024-05-10 | 常州捷翼汽车零部件有限公司 | Terminal |
| WO2024094005A1 (en) * | 2022-10-31 | 2024-05-10 | 常州捷翼汽车零部件有限公司 | Terminal and terminal assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024094005A1 (en) | 2024-05-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |