Multi-contact wire-to-board connector

Abstract

A multi-contact type wire-to-board connector comprises a PCB and a needle base, the outer wall of the PCB is fixedly connected with the needle base, the inner wall of the needle base is provided with a connecting mechanism, the connecting mechanism comprises a connecting base, the outer wall of the connecting base is fixedly connected with the needle base, the inner wall of the connecting base abuts against an upper rubber pipe, and the outer wall of the connecting base abuts against a lower rubber pipe. The outer wall of the upper rubber pipe is fixedly connected with a clamping block, the outer wall of the clamping block is fixedly connected with a lower rubber pipe, and a groove is formed in the inner wall of the lower rubber pipe. The fixing plate extrudes the torsion spring to contract, the angle of the end of the fixing plate on the fixing seat is changed, an external connecting part can enter the mortise of the PCB at the moment, the corrugated rubber strip on the fixing plate clamps and fixes the connecting part, and the direction of the fixing seat on the needle seat can be adjusted according to requirements. The threaded rod and the mounting cylinder are in the horizontal direction in the mortise of the PCB, and the end part of the threaded rod abuts against the connecting piece or is in threaded connection with the connecting piece, so that the requirement of stability achieved in various modes is met.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a multi-contact type wire-to-board connector. Background Art

[0002] The existing wire-to-board connectors, terminals and center pins are prone to poor contact during use, which affects the quality of the entire connector.

[0003] For example, a multi-contact wire-to-board connector with authorization announcement number "CN220439928U" solves the problem of poor contact caused by gaps between contact points in existing multi-contact wire-to-board connectors. The above-mentioned contact points between the middle pin and the terminal are increased, and the contact is tighter and not easy to loosen, thereby increasing the reliability of the connector and solving the problem of flash disconnection during the conduction process of the connector. Considering that the existing multi-contact wire-to-board connector is used, a seesaw-type fixed hook is used to increase the stability of the installation. Due to the limitation of the size of the connection, the seesaw-type fixed hook cannot guarantee that it can be hooked with all connectors, resulting in the inability to meet the stability requirements of various connection methods. Summary of the invention

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and provide a multi-contact wire-to-board connector, which cannot meet the stable requirements of multiple connection modes.

[0005] The utility model solves its technical problems by adopting a technical solution: a multi-contact line-to-board connector, comprising a PCB board and a needle seat, wherein the outer wall of the PCB board is fixedly connected to the needle seat, the inner wall of the needle seat is provided with a connecting mechanism, the connecting mechanism comprises a connecting seat, the outer wall of the connecting seat is fixedly connected to the needle seat, the inner wall of the connecting seat is tightly abutted against an upper rubber tube, the outer wall of the upper rubber tube is fixedly connected to a clamping block, the outer wall of the clamping block is fixedly connected to a lower rubber tube, the inner wall of the lower rubber tube is provided with a groove, the inner wall of the groove is tightly abutted against a first copper terminal, and the inner wall of the first copper terminal is tightly abutted against a middle needle.

[0006] For further improvement, the outer wall of the needle seat is provided with a fixing mechanism, and the fixing mechanism includes a fixing screw, the outer wall of the fixing screw is tightly pressed against the needle seat, the outer wall of the fixing screw is threadedly connected to the fixing seat, the outer wall of the fixing seat is rotatably connected to the fixing plate, the outer wall of the fixing plate is tightly pressed against the torsion spring, the outer wall of the torsion spring is tightly pressed against the fixing seat, the outer wall of the fixing seat is fixedly connected to the mounting tube, and the inner wall of the mounting tube is threadedly connected to the threaded rod.

[0007] Further improvement, the outer wall of the first copper terminal is fitted with the second copper terminal, and the outer wall of the second copper terminal is tightly pressed against the wire.

[0008] For further improvement, the inner wall of the fixing seat is fixedly connected to the straight rod, and the outer wall of the straight rod is movably connected to the torsion spring.

[0009] For further improvement, the outer wall of the wire is fixedly connected to the silicone ring, and the outer wall of the silicone ring is fitted to the needle seat.

[0010] For further improvement, the outer wall of the fixing plate is fixedly connected to the corrugated rubber strip.

[0011] The beneficial effects of the utility model are as follows: the utility model changes the angle of the end of the fixing plate on the fixing seat by squeezing the twisting spring through the fixing plate to shrink, and the external connecting component can enter the tenon groove of the PCB board, and the corrugated rubber strip on the fixing plate clamps and fixes the connecting component, and the direction of the fixing seat on the needle seat can be adjusted according to needs, so that the threaded rod and the mounting tube are in a horizontal direction in the tenon groove of the PCB board, and the end of the threaded rod is tightly pressed against the connecting piece or threadedly connected, which meets the stability requirements achieved in a variety of ways. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0013] Figure 2 for Figure 1 A side cross-sectional schematic diagram of

[0014] Figure 3 for Figure 1 A rear cross-sectional schematic diagram of

[0015] Figure 4 for Figure 2 A magnified cross-sectional view of part A;

[0016] Figure 5 for Figure 2 An enlarged cross-sectional view of a connecting mechanism portion;

[0017] Figure 6 for Figure 1 An enlarged cross-sectional view of a fixing plate;

[0018] Figure 7 for Figure 2 An enlarged cross-sectional view of the mounting tube.

[0019] Explanation of the accompanying drawings: In the figure: 1, PCB board, 2, needle seat, 3, connecting mechanism, 301, connecting seat, 302, upper rubber tube, 303, clamping block, 304, lower rubber tube, 305, groove, 306, first copper terminal, 307, middle needle, 4, fixing mechanism, 401, fixing screw, 402, fixing seat, 403, fixing plate, 404, torsion spring, 405, mounting cylinder, 406, threaded rod, 5, second copper terminal, 6, wire, 7, straight rod, 8, silicone ring, 9, corrugated rubber strip. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Refer to the attached Figure 1-6 : A multi-contact wire-to-board connector, comprising a PCB board 1 and a needle seat 2, wherein the outer wall of the PCB board 1 is fixedly connected to the needle seat 2, and a connecting mechanism 3 is provided on the inner wall of the needle seat 2, wherein the first copper terminal 306 and the second copper terminal 5 are pressurized in turn to deform and fix with the middle needle 307 and the wire 6, so as to achieve the effect of connection between the middle needle 307 and the wire 6, and the connecting mechanism 3 comprises a connecting seat 301, wherein the outer wall of the connecting seat 301 is fixedly connected to the needle seat 2, the inner wall of the connecting seat 301 is tightly pressed against the upper rubber tube 302, the outer wall of the upper rubber tube 302 is fixedly connected to the clamping block 303, the outer wall of the clamping block 303 is fixedly connected to the lower rubber tube 304, and the inner wall of the lower rubber tube 304 is provided with a groove 305, the inner wall of the groove 305 is tightly pressed against the first copper terminal 306, and the inner wall of the first copper terminal 306 is tightly pressed against the middle needle 307;

[0022] The torsion spring 404 is compressed by the fixing plate 403 to change the angle of the end of the fixing plate 403 on the fixing seat 402. At this time, the external connecting component can enter the tenon groove of the PCB board 1. The corrugated rubber strip 9 on the fixing plate 403 clamps and fixes the connecting component. The direction of the fixing seat 402 on the needle seat 2 can be adjusted as needed, so that the threaded rod 406 and the mounting tube 405 are in a horizontal direction in the tenon groove of the PCB board 1. The end of the threaded rod 406 is tightly pressed against the connecting piece or threadedly connected to meet the stability requirements achieved in a variety of ways.

[0023] The outer wall of the needle seat 2 is provided with a fixing mechanism 4, which is clamped by the outer wall of the fixing plate 403 and the connecting piece, and the end of the threaded rod 406 is pressed against or threadedly connected to the connecting piece to achieve the effect of installation and fixing. The fixing mechanism 4 includes a fixing screw 401, the outer wall of the fixing screw 401 is pressed against the needle seat 2, the outer wall of the fixing screw 401 is threadedly connected to the fixing seat 402, the outer wall of the fixing seat 402 is rotatably connected to the fixing plate 403, the outer wall of the fixing plate 403 is pressed against the torsion spring 404, the outer wall of the torsion spring 404 is pressed against the fixing seat 402, the outer wall of the fixing seat 402 is fixedly connected to the mounting tube 405, and the inner wall of the mounting tube 405 is threadedly connected to the threaded rod 406.

[0024] The outer wall of the first copper terminal 306 is in contact with the second copper terminal 5, the outer wall of the second copper terminal 5 is pressed against the wire 6, the inner wall of the fixing seat 402 is fixedly connected to the straight rod 7, the outer wall of the straight rod 7 is movably connected to the torsion spring 404, the outer wall of the wire 6 is fixedly connected to the silicone ring 9, the outer wall of the silicone ring 9 is in contact with the needle seat 2, and the outer wall of the fixing plate 403 is fixedly connected to the corrugated rubber strip 10.

[0025] Working principle:

[0026] Installation Phase

[0027] The first copper terminal 306 and the second copper terminal 5 are pressurized in turn to deform and fix them with the middle needle 307 and the wire 6. At this time, the first copper terminal 306 and the second copper terminal 5 are placed into the inner wall of the groove 305 on the lower rubber tube 304, and the upper rubber tube 302 is manually pressed to drive the clamping block 304 to deform and press against the lower rubber tube 304, so that the upper rubber tube 302 and the lower rubber tube 304 can wrap and protect the first copper terminal 306 and the second copper terminal 5, and prevent the first copper terminal 306 and the second copper terminal 5 from breaking contact with the outside world. The upper rubber tube 302 is pressed hard to be placed in the connecting seat 301, the two petals of the needle seat 2 and the PCB board 1 are buckled, and the fixing seat 402 is inserted into the needle seat 2 and the PCB board 1 from the side end, and the fixing screw 401 is screwed to fix the fixing seat 402 and the needle seat 2 to achieve the overall installation effect.

[0028] Use phase

[0029] By manually pushing the needle seat 2 and the PCB board, the needle seat 2 and the PCB board are inserted into the external connector, and the fixing plate 403 is manually pressed, and the fixing plate 403 squeezes the torsion spring 404 to shrink, and the angle of the end of the fixing plate 403 on the fixing seat 402 changes. At this time, the external connecting component can enter the tenon groove of the PCB board 1. After stopping pressing the fixing plate 403, the fixing plate 403 will be squeezed by the torsion spring 404, so that the corrugated rubber strip 9 on the fixing plate 403 is pressed against the external connector. According to needs, manually twist the threaded rod 406, the threaded rod 406 rotates on the inner wall of the installation tube 405, and the threaded rod 406 passes through the fixing seat 402, so that the end of the threaded rod 406 is pressed against the connecting piece or threadedly connected to ensure the stability of the middle needle 307 during use when connected to the outside. In addition, according to needs, the fixing screw 401 can be removed, and the direction of the fixing seat 402 can be adjusted on the needle seat 2 so that the threaded rod 406 and the installation tube 405 are in a horizontal direction in the mortise and tenon of the PCB board 1, so as to achieve the effect of threaded connection with the external connecting piece.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A multi-contact wire-to-board connector, comprising a PCB (1) and a needle seat (2), wherein the outer wall of the PCB (1) is fixedly connected to the needle seat (2), and wherein: The inner wall of the needle seat (2) is provided with a connecting mechanism (3), the connecting mechanism (3) comprising a connecting seat (301), the outer wall of the connecting seat (301) being fixedly connected to the needle seat (2), the inner wall of the connecting seat (301) being tightly abutted against an upper rubber tube (302), the outer wall of the upper rubber tube (302) being fixedly connected to a clamping block (303), the outer wall of the clamping block (303) being fixedly connected to a lower rubber tube (304), the inner wall of the lower rubber tube (304) being provided with a groove (305), the inner wall of the groove (305) being tightly abutted against a first copper terminal (306), and the inner wall of the first copper terminal (306) being tightly abutted against a middle needle (307).

2. A multi-contact wire-to-board connector according to claim 1, characterized in that: The outer wall of the needle seat (2) is provided with a fixing mechanism (4), and the fixing mechanism (4) includes a fixing screw (401), the outer wall of the fixing screw (401) is tightly pressed against the needle seat (2), the outer wall of the fixing screw (401) is threadedly connected to the fixing seat (402), the outer wall of the fixing seat (402) is rotatably connected to the fixing plate (403), the outer wall of the fixing plate (403) is tightly pressed against the torsion spring (404), the outer wall of the torsion spring (404) is tightly pressed against the fixing seat (402), the outer wall of the fixing seat (402) is fixedly connected to the mounting tube (405), and the inner wall of the mounting tube (405) is threadedly connected to the threaded rod (406).

3. The multi-contact wire-to-board connector according to claim 1, characterized in that: The outer wall of the first copper terminal (306) is in contact with the second copper terminal (5), and the outer wall of the second copper terminal (5) is in tight contact with the wire (6).

4. A multi-contact wire-to-board connector according to claim 2, characterized in that: The inner wall of the fixing seat (402) is fixedly connected to the straight rod (7), and the outer wall of the straight rod (7) is movably connected to the torsion spring (404).

5. The multi-contact wire-to-board connector according to claim 3, characterized in that: The outer wall of the wire (6) is fixedly connected to the silicone ring (8), and the outer wall of the silicone ring (8) is in contact with the needle seat (2).

6. A multi-contact wire-to-board connector according to claim 2, characterized in that: The outer wall of the fixing plate (403) is fixedly connected to the corrugated rubber strip (9).

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