Wire end connector

By employing a plastic body design and HOT BAR welding in the online connector, the connection between the terminal and the wire is more stable, solving the problems of low connection efficiency and poor stability, and achieving a high-efficiency and stable connection effect.

CN223797546UActive Publication Date: 2026-01-13昆山友茂电子有限公司
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Patent Information

Application Number
CN202422786022.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2026-01-13
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Existing wire connectors have low connection efficiency, unstable connection, and are prone to wire breakage from terminals. Furthermore, the single contact surface during mating results in poor connection stability.

Method used

The device features a plastic body design, with terminals and wires connected by HOT BAR welding. The terminals have multiple contact surfaces in the mating part and grooves on the upper and lower sides in the mating direction to enhance stability. The blocking part prevents solder from creeping and the anti-retraction part restricts the terminal from retracting.

Benefits of technology

It improves connection efficiency and stability, makes the connection between terminals and wires more secure, makes the welding process more efficient, has double-sided contact surface during mating to prevent pin ejection, and improves the overall reliability of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a wire end connector, which comprises a plastic body, insertion holes are arranged on the plastic body, one side of each insertion hole is provided with an insertion part, terminal accommodating cavities are arranged on the insertion part, terminals penetrate through the insertion holes, and the terminals extend into the terminal accommodating cavities. The upper side and the lower side of the terminal accommodating cavity in the plugging direction of the plugging part are provided with open grooves, and the open grooves are used for plugging the terminal with a board end and contacting with a board end conductor. According to the connector, the terminals and the electric wires are connected in a hot bar welding mode, connection is more stable, tin soldering is carried out after the terminals are directly connected with the plastic body in an inserted mode in the process, efficiency is higher, and due to the tin soldering mode, the blocking parts are particularly arranged on the terminals to prevent tin climbing in the tin soldering process. According to the design, the plastic body is provided with the two groups of slots, the upper and lower parts of the terminals can be exposed in the slots, and two contact surfaces exist when the terminals are connected with the plate end, so that the connection stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connector especially relates to line end connector. BACKGROUND

[0002] Computer mainboard and external connection are all need to be connected to realize the board end connector and line end connector, in the existing line end connector, such as Figure 7 As shown, the connection of the wire and the terminal is usually through the way of wiring, that is, through stamping to make the terminal deformation and then to press the wire tightly, when processing, it is needed to wire first and then to thread, the efficiency is lower, and in practical application, the problem of unstable connection of the wire and the terminal is prone to occur, when pulling, the wire and the terminal will be disconnected, which affects the actual use, in addition, the terminal insertion of the existing connector male is a single contact surface, which may not be in contact when inserted, the connection stability is poor, and the connection of the terminal will appear the problem of pin withdrawal. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the utility model provides a kind of line end connector, including plastic body, the insertion hole is arranged on the plastic body, the insertion hole side is equipped with insertion part, the terminal receiving cavity is arranged on the insertion part, the terminal is threaded in the insertion hole, and the terminal is stretched in the terminal receiving cavity;

[0004] The upper and lower sides of the terminal receiving cavity are provided with slots in the insertion direction of the insertion part, and the slots are used to contact the terminal and the board end conductor when the board end is inserted;

[0005] The terminal end is welded with the wire.

[0006] Preferably, the terminal includes a welding portion and two groups of vertical portions integrally formed with the welding portion, the vertical portions extend to the terminal end, the welding portion is located at the insertion hole opening of the plastic body, and a blocking portion protruding from the bottom plane between the vertical portions is arranged between the vertical portions.

[0007] Preferably, the blocking portion is close to the welding portion and is formed by piercing and folding.

[0008] Preferably, the end opposite to the welding portion of the terminal is provided with a limiting portion, the limiting portion is integrally formed with the vertical portion on one side and is bent and pressed on the vertical portion on the other side.

[0009] Preferably, a anti-withdrawal portion is arranged on the slot on one side of the terminal receiving cavity, the anti-withdrawal portion is integrally formed on the plastic body and extends to the upper part of the terminal receiving cavity, and is used to limit the withdrawal of the terminal.

[0010] Preferably, the anti-withdrawal portion is provided with a protruding portion pointing to the terminal receiving cavity.

[0011] Preferably, the insertion hole part is provided with a partition part.

[0012] The connector has the following beneficial effects: 1, the terminal and the wire of the connector are connected by using the hotbar welding mode, the connection is more stable, and in the process, the terminal is directly inserted with the plastic body, then soldering is carried out, the efficiency is higher, and since the soldering mode is used, a blocking part is arranged on the terminal to prevent solder climbing during soldering. 2, two groups of slots are arranged on the plastic body in the design, the upper and lower parts of the terminal can be exposed in the slots, and there are two contact surfaces when the terminal is connected with the plate end, so that the stability of the connection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced.

[0014] Figure 1 It is a schematic diagram of the connector of the utility model;

[0015] Figure 2 It is a schematic diagram of the connector of the utility model;

[0016] Figure 3 It is a schematic diagram of the plastic body of the utility model;

[0017] Figure 4 It is a schematic diagram of the terminal and the wire of the utility model;

[0018] Figure 5 It is a schematic diagram of the terminal of the utility model;

[0019] Figure 6 It is a schematic diagram of the connector and the plate end of the utility model;

[0020] Figure 7 It is a schematic diagram of the terminal and the wire of the prior art of the utility model;

[0021] Wherein, 1, plastic body;2, insertion hole;3, insertion part;4, terminal containing cavity;5, terminal;6, slot;7, wire;8, welding part;9, vertical part;10, blocking part;11, limiting part;12, anti-retreating part;13, protruding part;14, partition part. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0023] As Figure 1The utility model provides a line end connector, including plastic body 1, the plastic body 1 is arranged with insertion hole 2, plastic body 1 is long structure, one side of insertion hole 2 is equipped with the insertion part 3, the insertion part 3 is arranged with terminal containing cavity 4, insertion hole 2 and terminal containing cavity 4 are corresponding, the terminal 5 is crossed in insertion hole 2, the terminal 5 is in the terminal containing cavity 4, specifically speaking:

[0024] The structure of insertion hole 2 is designed into the structure similar to square according to the shape of terminal 5, as Figure 5 The terminal 5 includes welding portion 8 and two groups of vertical portion 9 integrally formed with the welding portion 8, the vertical portion 9 length extends to the terminal 5 end, the welding portion 8 is located at the mouth of insertion hole 2 of plastic body 1, two vertical portion 9 is formed vertical portion 9 by strip upward bending, the welding portion 8 is arranged at the mouth of insertion hole 2, and the vertical portion 9 extends into the insertion hole 2, and the vertical portion 9 can be limited in the insertion hole 2 and will not rotate, similarly, the terminal 5 end can be more stably positioned in the terminal containing cavity 4, and two contact surfaces can be realized during insertion, one end of the terminal 5 opposite the welding portion 8 is provided with a limiting portion 11, the limiting portion 11 is integrally formed on one side of the vertical portion 9 and is bent and pressed on the other side of the vertical portion 9, as Figure 2 The terminal containing cavity 4 is provided with a slot 6 on the upper and lower sides of the insertion direction of the insertion part 3, the slot 6 is used for the terminal 5 and the plate end insertion and contact with the plate end conductor, the limiting portion 11 is located at the slot 6, so that when the insertion part 3 is inserted into the plate end, the metal conductor in the plate end can contact the terminal 5 in the upper slot 6, realizing double-sided contact conduction and improving the connection stability. In addition, the center of the mouth of the insertion hole 2 is provided with a separation portion 14, when the terminal 5 is inserted, the separation portion 14 can extend between the two vertical portion 9, which is convenient for preventing the terminal 5 from being inserted and more stable.

[0025] In the embodiment, the terminal 5 and the wire are connected by HOT BAR welding, that is, the terminal 5 is uniformly inserted into the plastic body 1, and then welded, and the welding position is as shown in Figure 1 And Figure 4 A, compared with the process of inserting the plastic body 1 after wiring, the process is more efficient, and in order to prevent the tin climbing phenomenon during welding, the blocking portion 10 protruding from the bottom plane between the vertical portion 9 is arranged between the vertical portion 9, the blocking portion 10 is close to the welding portion 8 and is formed by piercing and folding and lifting.

[0026] In addition, in order to realize the connection stability between the plastic and the terminal 5, the anti-back-off part 12 is arranged on the slot 6 of the terminal accommodating cavity 4 side, the anti-back-off part 12 is integrally formed on the plastic body 1 and extends to the upper part of the terminal accommodating cavity 4, which is used for limiting the back-off of the terminal 5, the anti-back-off part 12 is provided with the protruding part 13 which points to the terminal 5 accommodating groove, the anti-back-off part 12 is opposite to the limiting part 11, if the terminal 5 back-off problem occurs, the limiting part 11 will be pressed on the anti-back-off part 12, and the terminal 5 is blocked to be pulled out.

Claims

1. A wire-end connector, characterized in that, Includes a plastic body, on which are arranged... An insertion hole is provided on one side of the insertion hole, and terminal receiving cavities are arranged on the insertion portion. A terminal passes through the insertion hole and extends into the terminal receiving cavity. The terminal receiving cavity has slots on the upper and lower sides of the insertion direction of the insertion part, and the slots are used to make the terminal contact with the conductor of the board end when it is inserted with the board end; The terminal end is welded to the wire.

2. The wire connector according to claim 1, characterized in that, The terminal includes a welding part and two sets of vertical parts integrally formed with the welding part. The length of the vertical parts extends to the end of the terminal. The welding part is located at the insertion hole of the plastic body. A blocking part protruding from the bottom plane between the vertical parts is provided.

3. The wire connector according to claim 2, characterized in that, The blocking part is close to the welding part and is pierced and folded into shape.

4. The wire connector according to claim 2, characterized in that, The terminal is provided with a limiting part at one end opposite to the welding part. The limiting part is integrally formed on one side of the vertical part and is bent and pressed onto the other side of the vertical part.

5. The wire connector according to claim 1, characterized in that, An anti-retraction part is provided on the slot on one side of the terminal receiving cavity. The anti-retraction part is integrally formed on the plastic body and extends to the upper part of the terminal receiving cavity to limit the terminal retraction.

6. The wire connector according to claim 5, characterized in that, The anti-retraction part has a protrusion pointing towards the terminal receiving cavity.

7. The wire connector according to claim 2, characterized in that, The insertion orifice has a partition at its center.