Electrical connection terminal and electrical connection assembly
By designing conductive teeth and fixing teeth on the crimping part of the electrical connection terminal, the problem of the front end of the crimping part of the electrical connection terminal in the prior art is solved, resulting in the cut-off of the flexible electrical connection member, and the reliability of the electrical connection assembly is realized. Improved service life.
Patent Information
- Application Number
- CN202311033869.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-16
- Publication Date
- 2025-02-21
AI Technical Summary
The front end of the crimping part of the existing electrical connection terminal is not fixed and is easily moved relative to the flexible circuit board or the flexible flat cable, resulting in the flexible electrical connection being cut off and the entire electrical connection assembly being scrapped.
An electrical connection terminal is designed, and the crimping part includes conductive teeth and fixed teeth, which are used for electrical connection with the conductor of the flexible electrical connection, and the fixed teeth are used for fixing the front end of the base to the insulator of the flexible electrical connection, Ensure that the front end of the crimping part moves synchronously with the flexible electrical connection.
By fixing the crimped front end of the electrical connection terminal, the risk of the flexible electrical connection being cut off is avoided, and the service life of the electrical connection assembly is extended.
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Figure CN119495961A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an electric connection terminal and an electric connection assembly comprising the electric connection terminal. Background Art
[0002] In the prior art, an electrical connection terminal electrically connected to a flexible printed circuit (FPC) or a flexible flat cable (FFC) generally includes a main body and a crimping portion. A plurality of electrical contact teeth are formed on both sides of the crimping portion of the electrical connection terminal, and the electrical contact teeth pierce the insulator of the flexible printed circuit or the flexible flat cable and are crimped onto the conductor of the flexible printed circuit or the flexible flat cable to be electrically connected to the conductor of the flexible printed circuit or the flexible flat cable.
[0003] In the prior art, the rear end of the crimping part of the electrical connection terminal is connected to the main body, and the front end of the crimping part of the electrical connection terminal is not fixed to the flexible circuit board or the flexible flat cable, which causes the front end of the crimping part of the electrical connection terminal to move up and down relative to the flexible circuit board or the flexible flat cable, which causes the flexible circuit board or the flexible flat cable to be easily cut by the sharp edge of the front end of the crimping part. Once the flexible circuit board or the flexible flat cable is cut, the entire electrical connection assembly will be scrapped and need to be replaced. Summary of the invention
[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.
[0005] According to one aspect of the present invention, an electrical connection terminal is provided. The electrical connection terminal includes: a crimping portion and a main body portion. The crimping portion includes: a base portion having a front end and a rear end opposite to each other in the longitudinal direction and two sides opposite to each other in the transverse direction; a plurality of conductive teeth respectively connected to the two sides of the base portion and located between the front end and the rear end of the base portion; and a plurality of fixed teeth respectively connected to the two sides of the front end of the base portion. The main body portion is connected to the rear end of the base portion. The conductive teeth are suitable for piercing the insulator of the flexible electrical connector and being crimped onto the conductor of the flexible electrical connector to electrically connect to the flexible electrical connector; the fixed teeth are suitable for piercing the insulator of the flexible electrical connector and being crimped onto the insulator to fix the front end of the base portion to the flexible electrical connector.
[0006] According to an exemplary embodiment of the present invention, the plurality of fixed teeth include: a first fixed tooth connected to one side of the front end of the base; and a second fixed tooth connected to the other side of the front end of the base, and the first fixed tooth and the second fixed tooth adjacent thereto are staggered in the longitudinal direction.
[0007] According to another exemplary embodiment of the present invention, the plurality of conductive teeth include: a first conductive tooth connected to one side of the base; and a second conductive tooth connected to the other side of the base, and the first conductive tooth and the second conductive tooth adjacent thereto are staggered in the longitudinal direction.
[0008] According to another exemplary embodiment of the present invention, the plurality of conductive teeth include a plurality of first conductive teeth, which are spaced apart in the longitudinal direction; and / or the plurality of conductive teeth include a plurality of second conductive teeth, which are spaced apart in the longitudinal direction.
[0009] According to another exemplary embodiment of the present invention, the cross-section of the base is U-shaped, comprising: a bottom plate extending along the longitudinal direction and the transverse direction; and two side walls respectively connected to the transverse sides of the bottom plate, and the side walls extend along the longitudinal direction and the thickness direction of the bottom plate.
[0010] According to another exemplary embodiment of the present invention, the first fixed tooth and the first conductive tooth are connected to the upper side of one of the two side walls; the second fixed tooth and the second conductive tooth are connected to the upper side of the other of the two side walls.
[0011] According to another exemplary embodiment of the present invention, a convex rib protruding upward is formed on the bottom plate, and the convex rib extends a predetermined length along the longitudinal direction; the convex rib and the conductive teeth are used to respectively abut against opposite sides of the conductor of the flexible electrical connector to ensure that the conductive teeth are in reliable electrical contact with the conductor.
[0012] According to another exemplary embodiment of the present invention, the main body of the electrical connection terminal is suitable for mating with a mating terminal, being welded or crimped to a conductive terminal, or being welded or crimped to a conductive wire.
[0013] According to another exemplary embodiment of the present invention, the electrical connection terminal is an integral stamped part.
[0014] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: a flexible electrical connector, including an insulator and a conductor disposed in the insulator; and the aforementioned electrical connection terminal, whose crimping portion is crimped onto the flexible electrical connector. The conductive teeth of the crimping portion pierce the insulator of the flexible electrical connector and are crimped onto the conductor to be electrically connected to the flexible electrical connector; the fixing teeth of the crimping portion pierce the insulator of the flexible electrical connector and are crimped onto the insulator to fix the front end of the electrical connection terminal to the flexible electrical connector.
[0015] According to an exemplary embodiment of the present invention, the insulator of the flexible electrical connector is flat and has two opposite front and back surfaces in its thickness direction; the base and the fixing teeth of the crimping portion respectively abut against the two surfaces of the insulator of the flexible electrical connector.
[0016] According to another exemplary embodiment of the present invention, the flexible electrical connector is a flexible printed circuit board or a flexible flat cable.
[0017] In the aforementioned various exemplary embodiments according to the present invention, the front end of the crimping portion of the electrical connection terminal is fixed to the flexible electrical connector, so that the front end of the crimping portion of the electrical connection terminal can move synchronously with the flexible electrical connector and will not move relative to the flexible electrical connector, thereby preventing the flexible electrical connector from being cut by the sharp edge of the front end of the crimping portion.
[0018] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A perspective schematic diagram showing an electrical connection terminal according to an exemplary embodiment of the present invention, wherein the electrical connection terminal has not yet been crimped onto the flexible electrical connection member;
[0020] Figure 2 A side view showing an electrical connection terminal according to an exemplary embodiment of the present invention, wherein the electrical connection terminal has not yet been crimped onto the flexible electrical connection member;
[0021] Figure 3 A perspective schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present invention;
[0022] Figure 4 An exploded schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present invention;
[0023] Figure 5 A perspective schematic diagram showing an electrical connection terminal according to an exemplary embodiment of the present invention when viewed from the rear side, wherein the electrical connection terminal is in a crimped state;
[0024] Figure 6 A perspective schematic diagram showing an electrical connection terminal according to an exemplary embodiment of the present invention when viewed from the front side, wherein the electrical connection terminal is in a crimped state;
[0025] Figure 7 A schematic plan view showing an electrical connection terminal according to an exemplary embodiment of the present invention when viewed from the top, wherein the electrical connection terminal is in a crimped state;
[0026] Figure 8 A cross-sectional view showing an electrical connection assembly at one position according to an exemplary embodiment of the present invention;
[0027] Fig. 9 A cross-sectional view showing an electrical connection assembly according to an exemplary embodiment of the present invention at another position. DETAILED DESCRIPTION
[0028] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.
[0029] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.
[0030] According to an overall technical concept of the present invention, an electrical connection terminal is provided. The electrical connection terminal includes: a crimping portion and a main body portion. The crimping portion includes: a base portion having a front end and a rear end opposite to each other in the longitudinal direction and two sides opposite to each other in the transverse direction; a plurality of conductive teeth respectively connected to the two sides of the base portion and located between the front end and the rear end of the base portion; and a plurality of fixed teeth respectively connected to the two sides of the front end of the base portion. The main body portion is connected to the rear end of the base portion. The conductive teeth are suitable for piercing the insulator of the flexible electrical connector and being crimped onto the conductor of the flexible electrical connector to electrically connect to the flexible electrical connector; the fixed teeth are suitable for piercing the insulator of the flexible electrical connector and being crimped onto the insulator to fix the front end of the base portion to the flexible electrical connector.
[0031] According to another general technical concept of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: a flexible electrical connector, including an insulator and a conductor disposed in the insulator; and the aforementioned electrical connection terminal, whose crimping portion is crimped onto the flexible electrical connector. The conductive teeth of the crimping portion pierce the insulator of the flexible electrical connector and are crimped onto the conductor to be electrically connected to the flexible electrical connector; the fixing teeth of the crimping portion pierce the insulator of the flexible electrical connector and are crimped onto the insulator to fix the front end of the electrical connection terminal to the flexible electrical connector.
[0032] Figure 1A perspective schematic diagram showing an electrical connection terminal 1 according to an exemplary embodiment of the present invention, wherein the electrical connection terminal 1 has not yet been crimped onto the flexible electrical connection member 2; Figure 2 A side view showing an electrical connection terminal 1 according to an exemplary embodiment of the present invention, wherein the electrical connection terminal 1 has not yet been crimped onto the flexible electrical connection member 2; Figure 3 A perspective schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present invention; Figure 4 An exploded schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present invention; Figure 5 A perspective schematic diagram showing an electrical connection terminal according to an exemplary embodiment of the present invention when viewed from the rear side, wherein the electrical connection terminal 1 is in a crimped state; Figure 6 A perspective schematic diagram of an electrical connection terminal 1 according to an exemplary embodiment of the present invention is shown when viewed from the front side, wherein the electrical connection terminal 1 is in a crimped state.
[0033] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, an electrical connection terminal 1 is disclosed. The electrical connection terminal 1 includes a crimping portion 10 and a main body portion 14. The crimping portion 10 includes: a base 100, a plurality of conductive teeth 11 and a plurality of fixed teeth 12. The base 100 has a front end and a rear end opposite to each other in its longitudinal direction Y and two sides opposite to each other in its transverse direction X. The plurality of conductive teeth 11 are respectively connected to both sides of the base 100 and are located between the front end and the rear end of the base 100. The plurality of fixed teeth 12 are respectively connected to both sides of the front end of the base 100. The rear end of the base 100 is connected to the main body portion 14.
[0034] like Figures 1 to 6 As shown, in the illustrated embodiment, the conductive teeth 11 of the crimping portion 10 are adapted to pierce the insulator 20 of the flexible electrical connector 2 and be crimped onto the conductor 21 of the flexible electrical connector 2 to be electrically connected to the flexible electrical connector 2. The fixing teeth 12 of the crimping portion 10 are adapted to pierce the insulator 20 of the flexible electrical connector 2 and be crimped onto the insulator 20 to fix the front end of the base 100 to the flexible electrical connector 2.
[0035] like Figures 1 to 6 As shown, in the illustrated embodiment, the front end of the crimping portion 10 of the electrical connection terminal 1 is fixed to the flexible electrical connector 2, so that the front end of the crimping portion 10 of the electrical connection terminal 1 can move synchronously with the flexible electrical connector 2 and will not move relative to the flexible electrical connector 2, thereby preventing the flexible electrical connector 2 from being cut by the sharp edge of the front end of the crimping portion 10.
[0036] Figure 7 A schematic plan view showing an electrical connection terminal 1 according to an exemplary embodiment of the present invention when viewed from the top, wherein the electrical connection terminal 1 is in a crimped state; Figure 8 A cross-sectional view showing an electrical connection assembly at one position according to an exemplary embodiment of the present invention; Fig. 9 A cross-sectional view showing an electrical connection assembly according to an exemplary embodiment of the present invention at another position.
[0037] like Figures 1 to 9 As shown, in the illustrated embodiment, the plurality of fixed teeth 12 include: a first fixed tooth 12a and a second fixed tooth 12b. The first fixed tooth 12a is connected to one side (the left side in the figure) of the front end of the base 100. The second fixed tooth 12b is connected to the other side (the right side in the figure) of the front end of the base 100. The first fixed tooth 12a and the second fixed tooth 12b adjacent thereto are staggered in the longitudinal direction Y.
[0038] like Figures 1 to 9 As shown, in the illustrated embodiment, the plurality of conductive teeth 11 include: a first conductive tooth 11a and a second conductive tooth 11b. The first conductive tooth 11a is connected to one side of the base 100. The second conductive tooth 11b is connected to the other side of the base 100. The first conductive tooth 11a and the second conductive tooth 11b adjacent thereto are staggered in the longitudinal direction Y.
[0039] like Figures 1 to 9 As shown, in the illustrated embodiment, the plurality of conductive teeth 11 include a plurality of first conductive teeth 11 a . The plurality of first conductive teeth 11 a are connected to one side of the base 100 and are spaced apart in the longitudinal direction Y of the base 100 .
[0040] like Figures 1 to 9 As shown, in the illustrated embodiment, the plurality of conductive teeth 11 include a plurality of second conductive teeth 11 b . The plurality of second conductive teeth 11 b are connected to the other side of the base 100 and are spaced apart in the longitudinal direction Y of the base 100 .
[0041] like Figures 1 to 9 As shown, in the illustrated embodiment, the cross section of the base 100 of the crimping portion 10 is U-shaped. The base 100 of the crimping portion 10 includes: a bottom plate 103 and two side walls 101, 102. The bottom plate 103 of the base 100 extends along the aforementioned longitudinal direction Y and the transverse direction X. The two side walls 101, 102 of the base 100 are respectively connected to the transverse sides of the bottom plate 103. The side walls 101, 102 extend along the aforementioned longitudinal direction Y and the thickness direction Z of the bottom plate 103.
[0042] like Figures 1 to 9 As shown, in the illustrated embodiment, the first fixed tooth 12a and the first conductive tooth 11a are connected to the upper side of one of the two side walls 101, 102. The second fixed tooth 12b and the second conductive tooth 11b are connected to the upper side of the other of the two side walls 101, 102.
[0043] like Figures 1 to 9 As shown, in the illustrated embodiment, a convex rib 13 protruding upward is formed on the bottom plate 103 of the base 100, and the convex rib 13 extends a predetermined length along the aforementioned longitudinal direction Y. The convex rib 13 of the crimping portion 10 and the conductive teeth 11 are used to respectively abut against the opposite sides of the conductor 21 of the flexible electrical connector 2 to ensure that the conductive teeth 11 are in reliable electrical contact with the conductor 21.
[0044] like Figures 1 to 9 As shown, in the illustrated embodiment, the main body 14 of the electrical connection terminal 1 is suitable for mating with a mating terminal (not shown). However, the present invention is not limited to the illustrated embodiment, for example, the main body 14 of the electrical connection terminal 1 can also be formed to be suitable for being welded or crimped to a conductive terminal or suitable for being welded or crimped to a wire.
[0045] like Figures 1 to 9 As shown, in the illustrated embodiment, the electrical connection terminal is an integral stamping part, so that the manufacturing cost can be reduced.
[0046] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, an electrical connection assembly is also disclosed. The electrical connection assembly mainly includes: a flexible electrical connection member 2 and the aforementioned electrical connection terminal 1. The flexible electrical connection member 2 includes an insulator 20 and a conductor 21 disposed in the insulator 20. The crimping portion 10 of the electrical connection terminal 1 is crimped onto the flexible electrical connection member 2.
[0047] like Figures 1 to 9 As shown, in the illustrated embodiment, the conductive teeth 11 of the crimping portion 10 of the electrical connection terminal 1 pierce the insulator 20 of the flexible electrical connector 2 and are crimped onto the conductor 21 to be electrically connected to the flexible electrical connector 2. The fixing teeth 12 of the crimping portion 10 of the electrical connection terminal 1 pierce the insulator 20 of the flexible electrical connector 2 and are crimped onto the insulator 20 to fix the front end of the electrical connection terminal 1 to the flexible electrical connector 2.
[0048] like Figures 1 to 9 As shown, in the illustrated embodiment, the insulator 20 of the flexible electrical connector 2 is flat, and has two opposite surfaces, front and back, in the thickness direction Z. The base 100 and the fixing teeth 12 of the crimping portion 10 are respectively pressed against the two surfaces of the insulator 20 of the flexible electrical connector 2, so that the front of the crimping portion 10 is fixed to the insulator 20 of the flexible electrical connector 2.
[0049] like Figures 1 to 9 As shown, in the illustrated embodiment, the flexible electrical connector 2 may be a flexible printed circuit (FPC) or a flexible flat cable (FFC).
[0050] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.
[0051] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.
[0052] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
[0053] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.
Claims
1. An electrical connection terminal, characterized in that: include: The crimping portion (10) comprises: A base (100) having a front end and a rear end opposite to each other in its longitudinal direction (Y) and two opposite sides in its transverse direction (X); A plurality of conductive teeth (11), respectively connected to both sides of the base (100) and located between the front end and the rear end of the base (100); and A plurality of fixed teeth (12) respectively connected to both sides of the front end of the base (100); and The main body (14) is connected to the rear end of the base (100). The conductive teeth (11) are suitable for piercing the insulator (20) of the flexible electrical connector (2) and being crimped onto the conductor (21) of the flexible electrical connector (2) to be electrically connected to the flexible electrical connector (2). The fixing teeth (12) are suitable for piercing the insulator (20) of the flexible electrical connector (2) and being crimped onto the insulator (20) to fix the front end of the base (100) to the flexible electrical connector (2).
2. The electrical connection terminal according to claim 1, characterized in that: The plurality of fixed teeth (12) include: A first fixing tooth (12a) connected to one side of the front end of the base (100); and A second fixed tooth (12b) connected to the other side of the front end of the base (100), The first fixed tooth (12a) and the second fixed tooth (12b) adjacent thereto are staggered in the longitudinal direction (Y).
3. The electrical connection terminal according to claim 2, characterized in that: The plurality of conductive teeth (11) include: A first conductive tooth (11a) connected to one side of the base (100); and The second conductive tooth (11b) is connected to the other side of the base (100), and the first conductive tooth (11a) and the second conductive tooth (11b) adjacent thereto are staggered in the longitudinal direction (Y).
4. The electrical connection terminal according to claim 3, characterized in that: The plurality of conductive teeth (11) include a plurality of first conductive teeth (11a), and the plurality of first conductive teeth (11a) are distributed at intervals in the longitudinal direction (Y); and / or The plurality of conductive teeth (11) include a plurality of second conductive teeth (11b), and the plurality of second conductive teeth (11b) are distributed at intervals in the longitudinal direction (Y).
5. The electrical connection terminal according to claim 3, characterized in that: The base (100) has a U-shaped cross section and comprises: a bottom plate (103) extending in the longitudinal direction (Y) and the transverse direction (X); and Two side walls (101, 102) are respectively connected to two lateral sides of the bottom plate (103), The side walls (101, 102) extend along the longitudinal direction (Y) and the thickness direction (Z) of the bottom plate (103).
6. The electrical connection terminal according to claim 5, characterized in that: The first fixed tooth (12a) and the first conductive tooth (11a) are connected to the upper side surface of one side wall (101) of the two side walls (101, 102); The second fixed teeth (12b) and the second conductive teeth (11b) are connected to an upper side surface of the other side wall (101) of the two side walls (101, 102).
7. The electrical connection terminal according to claim 5, characterized in that: A convex rib (13) protruding upward is formed on the bottom plate (103), and the convex rib (13) extends along the longitudinal direction (Y) by a predetermined length; The convex rib (13) and the conductive tooth (11) are used to respectively abut against two opposite sides of a conductor (21) of the flexible electrical connector (2) to ensure reliable electrical contact between the conductive tooth (11) and the conductor (21).
8. The electrical connection terminal according to claim 1, characterized in that: The main body (14) of the electrical connection terminal (1) is suitable for mating with a matching terminal, suitable for being welded or crimped to a conductive terminal, or suitable for being welded or crimped to a conductive wire.
9. The electrical connection terminal according to claim 1, characterized in that: The electrical connection terminal is an integrated stamping part.
10. An electrical connection assembly, characterized in that: include: A flexible electrical connector (2) comprising an insulator (20) and a conductor (21) disposed in the insulator (20); and The electrical connection terminal (1) according to any one of claims 1 to 9, wherein the crimping portion (10) is crimped onto the flexible electrical connection member (2). The conductive teeth (11) of the crimping portion (10) pierce the insulator (20) of the flexible electrical connector (2) and are crimped onto the conductor (21) to be electrically connected to the flexible electrical connector (2). The fixing teeth (12) of the crimping portion (10) pierce the insulator (20) of the flexible electrical connector (2) and are crimped onto the insulator (20) to fix the front end of the electrical connection terminal (1) to the flexible electrical connector (2).
11. The electrical connection assembly according to claim 10, characterized in that: The insulator (20) of the flexible electrical connector (2) is flat and has two opposite surfaces, front and back, in the thickness direction (Z); The base (100) and the fixing teeth (12) of the crimping portion (10) respectively abut against two surfaces of the insulator (20) of the flexible electrical connector (2).
12. The electrical connection assembly according to claim 10, characterized in that: The flexible electrical connector (2) is a flexible circuit board or a flexible flat cable.
Citation Information
Cited By
Electrical connection terminal and electrical connection assembly
EP4513684A1