Connector

Abstract

The utility model relates to a connector, which comprises a terminal and a sheath, the sheath is provided with an accommodating cavity for accommodating the terminal, the terminal comprises a terminal main body and a clamping piece arranged on the terminal main body, the clamping piece is used for being bent to clamp a wire, the terminal main body is provided with a crimping groove, and the crimping groove is used for clamping the wire. And the crimping groove is used for enabling an insulating layer of a wire to deform and be embedded after being clamped and extruded by the clamping piece. When the clamping piece is bent to clamp the wire, the clamping piece applies enough pressure to the wire, so that an insulating layer wrapping the wire is embedded into the crimping groove, the friction force between the insulating layer of the wire and the terminal main body is increased, and the connection stability of the wire and the terminal is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of connectors, in particular to a connector. BACKGROUND

[0002] A connector, also known as an electrical connector, is a device that connects two active devices for transmitting current or signals.

[0003] The existing connector for the air conditioner compressor is assembled by first crimping the wire on the terminal, and then installing one or more terminals in a sheath at the same time to form a complete connector. Due to the structure of the terminal and other factors, the existing connector has the problem of low stability of the wire connection with the terminal during assembly. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the present application provides a connector.

[0005] The connector provided by the present application adopts the following technical scheme:

[0006] A connector includes a terminal and a sheath, the sheath is provided with a receiving cavity for receiving the terminal, the terminal includes a terminal body and a clamping piece provided on the terminal body, the clamping piece is used for bending to clamp the wire, and the terminal body is provided with a crimping groove for the insulation layer of the wire to be deformed and embedded after being extruded by the clamping piece.

[0007] By adopting the above technical scheme, when the clamping piece is bent to clamp the wire, the clamping piece applies sufficient pressure to the wire so that the insulation layer wrapped outside the wire is extruded and deformed and embedded in the crimping groove, thereby increasing the friction between the insulation layer of the wire and the terminal body and improving the connection stability of the wire and the terminal.

[0008] Optionally, the terminal includes a clamping block provided on the terminal body, and the sheath is provided with a clamping groove for inserting and clamping the clamping block.

[0009] By adopting the above technical scheme, the terminal and the sheath are buckled, which is convenient to operate and stable in connection.

[0010] Optionally, a guide groove is provided on the side wall of the receiving cavity, and the guide groove is used for sliding guiding the clamping block when the clamping block is inserted.

[0011] By adopting the above technical scheme, the guide groove can guide the movement of the terminal when the terminal is assembled into the sheath, which makes it easier for the clamping block to be finally clamped into the clamping groove.

[0012] Optionally, a fixing member is arranged in the receiving cavity, and the fixing member is used for clamping and fixing the terminal.

[0013] By adopting the technical scheme, since the accommodating cavity is larger than the terminal in size, after the terminal is installed in the sheath, the terminal can move relative to the sheath due to vibration caused by external factors, affecting the stability of the wire connection, the terminal is clamped and fixed by the fixing member, the possibility of the terminal moving relative to the sheath is reduced, and the stability of the wire connection is improved.

[0014] Optionally, the fixing member comprises a plurality of clamping blocks, and the plurality of clamping blocks enclose a clamping groove, and the clamping groove is used for accommodating the clamping bent clamping piece.

[0015] By adopting the technical scheme, the fixing member has a structure similar to a claw, and can clamp the clamping piece well, so that the terminal can be fixed, and the clamping block can provide clamping force to the clamping piece, thereby increasing the clamping effect of the clamping piece on the wire.

[0016] Optionally, the fixing member comprises an operation portion, the operation portion penetrates out of the sheath for a person to operate, the locking structure further comprises a clamping block arranged on the operation portion and a clamping groove arranged on an inner wall of the sliding groove, the clamping groove is used for clamping the clamping block, and the fixing member and the sheath are clamped and fixed through the clamping block and the clamping groove.

[0017] By adopting the technical scheme, the fixing member is slidably installed in the sliding groove, and when the terminal is installed in the sheath, the fixing member can slide to avoid interference, and after the terminal is installed, the fixing member is slid to be close to the terminal to clamp the clamping piece, thereby facilitating operation.

[0018] Optionally, the fixing member comprises an operation portion, the operation portion penetrates out of the sheath for a person to operate, the locking structure further comprises a clamping block arranged on the operation portion and a clamping groove arranged on an inner wall of the sliding groove, the clamping groove is used for clamping the clamping block, and the fixing member and the sheath are clamped and fixed through the clamping block and the clamping groove.

[0019] By adopting the technical scheme, the fixing member is slidably installed in the sliding groove, and when the terminal is installed in the sheath, the fixing member can slide to avoid interference, and after the terminal is installed, the fixing member is slid to be close to the terminal to clamp the clamping piece, thereby facilitating operation.

[0020] Optionally, an inclined surface is formed on an end portion of the fixing member close to the terminal, and the inclined surface is arranged in an inclined manner in a direction of abutting against and avoiding the clamping piece.

[0021] By adopting the technical scheme, the inclined surface can guide the clamping of the clamping piece by the fixing member, facilitate clamping, and avoid interference between the terminal and the fixing member during installation of the terminal in the sheath.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The insulating layer of the wire is embedded in the crimping groove, the friction between the insulating layer of the wire and the terminal body is increased, and the connection stability of the wire and the terminal is improved;

[0024] 2. The terminal is clamped and fixed by the fixing member, the possibility of the terminal moving relative to the sheath is reduced, and the wire connection stability is improved;

[0025] 3. The operator can press the operation part to move the fixing member, which is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of embodiment 1 of the application.

[0027] Figure 2 is a structural schematic diagram of the sheath in embodiment 1 of the application.

[0028] Figure 3 is a structural schematic diagram of the terminal in embodiment 1 of the application.

[0029] Figure 4 is an exploded schematic diagram of the fixing member and the sheath in embodiment 2 of the application.

[0030] Figure 5 is a sectional view along Figure 4 A-A.

[0031] Explanation of reference signs: 1, terminal; 11, terminal body; 111, crimping groove; 12, clamping piece; 13, clamping block; 2, sheath; 21, accommodating cavity; 211, guide groove; 22, clamping groove; 23, sliding groove; 231, clamping block groove; 232, clamping body groove; 233, operation part groove; 3, fixing member; 31, clamping block; 32, clamping groove; 33, operation part; 34, guide inclined surface; 35, clamping body; 4, locking structure; 41, clamping block; 42, clamping groove. DETAILED DESCRIPTION

[0032] The application will be further described below in combination with the accompanying drawings. Figures 1-5 The application will be further described below in combination with the accompanying drawings.

[0033] Embodiment 1:

[0034] Embodiment 1 of the application discloses a connector. Referring to Figure 1 and Figure 2 , which comprises a terminal 1 and a sheath 2, the sheath 2 has an accommodating cavity 21 penetratingly formed on the side wall, the accommodating cavity 21 is used for accommodating the terminal 1, the terminal 1 is attached to the inner wall of the sheath 2 and moves into the accommodating cavity 21 to be inserted into the sheath 2.

[0035] Referring to Figure 3, the terminal 1 includes a terminal body 11 and a plurality of clamping pieces 12 integrally formed on the terminal body 11, the plurality of clamping pieces 12 are divided into a plurality of groups, the plurality of groups of clamping pieces 12 are distributed along the length of the terminal body 11 at intervals, the same group includes two clamping pieces 12, and the two clamping pieces 12 are symmetrically distributed on the two side walls in the length direction of the terminal body 11. The clamping pieces 12 in the same group are used for being bent to clamp the wire, and the terminal body 11 is provided with a crimping groove 111 extending along the width direction of the terminal body 11, the crimping groove 111 extends to the clamping piece 12, and the crimping groove 111 is used for embedding the insulation layer of the wire after the insulation layer is clamped and deformed by the clamping pieces 12 in the same group.

[0036] With reference to Figure 2 And Figure 3 , the terminal 1 includes two clamping pieces 12 integrally formed on the terminal body 11, the two clamping pieces 12 are symmetrically distributed on the two side walls in the length direction of the terminal body 11, the end of the terminal body 11 inserted into the accommodating cavity 21 is defined as the front end, the clamping piece 13 is located on the front end of the terminal body 11, and the clamping piece 13 is arranged to be inclined away from the front end of the terminal body 11. The outer side wall of the sheath 2 is provided with a clamping groove 22 communicating with the accommodating cavity 21, the clamping groove 22 is used for clamping buckling with the clamping piece 13, and the terminal 1 and the sheath 2 are clamped and connected through the clamping piece 13 and the clamping groove 22.

[0037] With reference to Figure 2 And Figure 3 , the side wall of the accommodating cavity 21 is provided with a guide groove 211 extending in the direction in which the terminal 1 is inserted into the sheath 2, and the guide groove 211 is used for inserting and sliding the clamping piece 13 to guide the movement of the terminal 1. The opening of the accommodating cavity 21 is designed to be rounded, so that the terminal 1 is conveniently inserted into the sheath 2.

[0038] The assembly principle of the connector in the embodiment 1 is as follows: an operator first places the wire on the terminal body 11, bends the clamping piece 12 through a tool, so that the clamping piece 12 clamps the wire, and the insulation layer of the wire is extruded into the crimping groove 111, the wire is crimped on the terminal 1, then the terminal 1 is inserted into the accommodating cavity 21 of the sheath 2 along the guide groove 211, until the clamping piece 13 is clamped into the clamping groove 22 on the sheath 2, and the assembly of the terminal 1 and the sheath 2 is completed.

[0039] Embodiment 2:

[0040] With reference to Figure 4 Different from the embodiment 1, the side wall of the sheath 2 is provided with a sliding groove 23 penetrating and communicating with the accommodating cavity 21, the sliding groove 23 extends in a direction perpendicular to the direction in which the terminal 1 is inserted into the sheath 2, and a fixing piece 3 is slidingly installed in the sliding groove 23 in a direction close to or away from the terminal 1, and the fixing piece 3 is used for clamping and fixing the terminal 1.

[0041] With reference to Figure 5The fixing member 3 comprises a clamping block 31, a clamping body 35 and an operating part 33. The clamping block 31 is integrally formed on the end of the clamping body 35 close to the terminal 1. The operating part 33 is integrally formed on the other end of the clamping body 35. The clamping block 31 penetrates the sliding slot 23 and extends into the accommodating cavity 21. The operating part 33 penetrates the sliding slot 23 in the opposite direction.

[0042] With reference to Figure 5 The clamping block 31 is provided with two clamping blocks 31 and a clamping body 35. The two clamping blocks 31 and the clamping body 35 enclose a clamping groove 32. The clamping groove 32 is used for accommodating the bent clamping piece 12. The clamping block 31 is used for abutting and extruding the bent clamping piece 12. The end of the clamping block 31 close to the clamping piece 12 is provided with a guide inclined surface 34. The guide inclined surface 34 is arranged in the direction of being far away from the clamping piece 12 and far away from the sliding slot 23. The guide inclined surface 34 not only avoids the clamping piece 12 during the process of inserting the terminal 1 into the sheath 2, but also guides and clamps the clamping piece 12 after the terminal 1 is inserted into the sheath 2.

[0043] With reference to Figure 5 The sliding slot 23 comprises a clamping block groove 231, a clamping body groove 232 and an operating part groove 233 which are communicated with each other. The clamping block groove 231 is located on the side of the clamping body groove 232 close to the accommodating cavity 21. The clamping block groove 231 is communicated with the accommodating cavity 21. The operating part groove 233 is located on the side of the clamping body groove 232 far away from the accommodating cavity 21. The operating part groove 233 penetrates the side wall of the sheath 2 and is communicated with the outside. The clamping block groove 231, the clamping body groove 232 and the operating part groove 233 are respectively used for sliding the clamping block 31, the clamping body 35 and the operating part 33. The opening size of the clamping block groove 231 is smaller than the opening size of the clamping body groove 232. The opening surface of the clamping block groove 231 is extended in the shape of a mouth to prevent the clamping body 35 from entering the accommodating cavity 21 from the clamping block groove 231. The opening size of the operating part groove 233 is smaller than the opening size of the clamping body groove 232 to prevent the clamping body 35 from sliding to the outside from the operating part groove 233. The cross-sectional size of the clamping body groove 232 is larger than the cross-sectional size of the clamping body 35. The two side walls of the clamping body 35 in the sliding direction are respectively used for abutting the two side walls of the clamping body groove 232 to limit the sliding of the fixing member 3.

[0044] With reference to Figure 5 The locking structure 4 comprises a clamping block 41 integrally formed on the operating part 33 and a clamping groove 42 formed on the inner wall of the sliding slot 23. The side wall of the clamping block 41 close to the accommodating cavity 21 is arranged in an inclined manner. The inclined side wall of the clamping block 41 is arranged in the direction of being far away from the operating part 33 and far away from the accommodating cavity 21. The side wall of the clamping block 41 far away from the accommodating cavity 21 is tightly abutted with the inner wall of the clamping groove 42. The clamping block 41 or the sheath 2 is made of a material with certain flexibility. The clamping block 41 and the clamping groove 42 are clamped and matched. The fixing member 3 and the sheath 2 are clamped and fixed by the clamping block 41 and the clamping groove 42.

[0045] When the operator wants to insert the terminal 1 into the accommodating cavity 21 of the sheath 2, the operating part 33 is pulled first until the clamping body 35 is in contact with the side wall of the accommodating cavity 21 away from the clamping body groove 232, so that the clamping block 31 avoids the terminal 1, and after the terminal 1 is inserted into the sheath 2 in place, the operator presses the operating part 33 to move the fixing part 3 towards the direction close to the terminal 1, and the clamping block 31 clamps the clamping piece 12 on the terminal 1 until the clamping block 41 on the operating part 33 is clamped into the clamping groove 42, at this time, the side wall of the operating part 33 away from the accommodating cavity 21 is flush with the outer side wall of the sheath 2, avoiding the interference between the operating part 33 and other structures during the use of the connector.

[0046] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A connector characterized by: The utility model provides a terminal (1) and a sheath (2), the sheath (2) is provided with containing cavity (21) for containing terminal (1), the terminal (1) includes terminal body (11) and the clamping piece (12) on terminal body (11), the clamping piece (12) is used to be folded to hold the wire, the terminal body (11) is provided with crimping groove (111), and the crimping groove (111) is used for the insulation layer of wire to be embedded after deformation after being extruded by the clamping piece (12) and being held.

2. The connector of claim 1, wherein: The terminal (1) includes a clamping block (13) provided on the terminal body (11), and the sheath (2) is provided with a clamping groove (22) for inserting and clamping the clamping block (13).

3. The connector of claim 2, wherein: The containing cavity (21) is provided with a guide groove (211) on the side wall, and the guide groove (211) is used for slidingly guiding the clamping block (13) to be inserted.

4. The connector of claim 1, wherein: The containing cavity (21) is provided with a fixing member (3) for clamping and fixing the terminal (1).

5. The connector of claim 4, wherein: The fixing member (3) includes a plurality of clamping blocks (31), and the plurality of clamping blocks (31) are surrounded to form a clamping groove (32) for containing the clamping piece (12) to be clamped and folded.

6. The connector of claim 4, wherein: The utility model also includes a locking structure (4), the sheath (2) is provided with a sliding groove (23) penetrating and communicating with the containing cavity (21), the fixing member (3) is slidably arranged in the sliding groove (23) along the direction of approaching or moving away from the terminal (1), and the locking structure (4) is used for locking the fixing member (3).

7. The connector of claim 6, wherein: The fixing member (3) includes an operating part (33) penetrating the sheath (2) for being operated by a person, and the locking structure (4) further includes a clamping block (41) arranged on the operating part (33) and a clamping groove (42) provided on the inner wall of the sliding groove (23), the clamping groove (42) is used for inserting and clamping the clamping block (41), and the fixing member (3) and the sheath (2) are clamped and fixed through the clamping block (41) and the clamping groove (42).

8. The connector of claim 6, wherein: The end of the fixing member (3) close to the terminal (1) is provided with a guide inclined surface (34) inclinedly arranged along the direction of abutting against the clamping piece (12) and giving way.

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