Wire end connector

Abstract

The utility model relates to the technical field of electric connectors, in particular to a wire end connector, which comprises a shell, a fixing seat, a power connection terminal, a terminal fixing piece and a wiring sleeve, the shell is provided with a plugging cavity, a fixing cavity and a connecting cavity, the plugging cavity is sequentially connected with the fixing cavity and the connecting cavity, and a positioning ring is arranged in the connecting cavity; the fixing seat comprises a fixing part and a plugging part, the fixing part is arranged in the fixing cavity, the plugging part extends towards the plugging cavity, the fixing seat is provided with a plurality of terminal fixing grooves, one side of the fixing part is provided with an assembly positioning groove, and one surface of the assembly positioning groove is communicated with the terminal fixing grooves; the terminal fixing piece is installed in the assembly positioning groove and fixes the power connection terminal in the terminal fixing groove. According to the utility model, under the action of the terminal fixing piece, the end part of the electric terminal is fixed, so that the terminal is ensured not to shift in the plugging process, and the structural stability and reliability are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a line end connector. Background Art

[0002] Connectors are a component that electronic engineers often come into contact with. Their function is to build a bridge of communication between blocked or isolated circuits in a circuit, so that current can flow and the circuit can achieve its intended function. Energy storage connectors are connectors specifically used to connect and transmit electrical energy. The main function of energy storage connectors is to provide current transmission, voltage distribution, and partial protection for system battery packs. It needs to withstand high voltage and high current, and also have sufficiently low contact resistance, so as to ensure stable current transmission and low energy consumption, and improve the efficiency of the entire energy storage system.

[0003] In the prior art, the Chinese patent application number is CN202320155303.5, which discloses a connector plug, the purpose of which is to repair or replace parts of the connector plug, which is very simple and convenient to operate, greatly improving the convenience of using the connector. However, in actual use, due to the insufficient internal design of the terminal, it is easy to cause the internal structure to shift, affecting the stability of the connection conduction. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a wire end connector which fixes the end of the butted electrical terminal under the action of a terminal fixing piece, thereby ensuring that the terminal will not shift during the plugging process, thereby increasing the structural stability and reliability.

[0005] The technical solution adopted by the utility model is: a wire end connector, including a shell, a fixing seat, an electrical terminal, a terminal fixing piece and a wiring sleeve, the shell is provided with an insertion cavity, a fixing cavity and a connecting cavity, the insertion cavity is connected with the fixing cavity and the connecting cavity in sequence, and a positioning ring is provided in the connecting cavity; the fixing seat includes a fixing part and a plug-in part, the fixing part is arranged in the fixing cavity, the plug-in part extends toward the plug-in cavity, the fixing seat is provided with a plurality of terminal fixing grooves, one side of the fixing part is provided with an assembly positioning groove, and one side of the assembly positioning groove is connected to the terminal fixing groove; the electrical terminal is provided with a plurality of terminals, one end of the electrical terminal is inserted in the terminal fixing groove; the terminal fixing piece is installed in the assembly positioning groove and fixes the electrical terminal in the terminal fixing groove; the wiring sleeve includes a locking sleeve and a tensioning sleeve, the locking sleeve is located at one end of the tensioning sleeve and a positioning retaining ring is provided, a tensioning groove is formed between the positioning retaining ring and the positioning ring, and the tensioning sleeve is arranged in the tensioning groove.

[0006] A further improvement to the above scheme is that a plug-in positioning groove is provided at the insertion port of the plug-in cavity, and the plug-in positioning groove is provided with a plug-in card groove, and one end of the plug-in card groove is connected to the plug-in positioning groove.

[0007] A further improvement to the above scheme is that assembly slots are provided on both sides of the fixed cavity, assembly buckles are provided on both sides of the fixed part, and elastic grooves are provided on both sides of the assembly buckle so that the assembly buckle has elastic tension during assembly, and the assembly buckle is used to cooperate with the assembly slot to fix the fixed part in the fixed cavity.

[0008] A further improvement to the above scheme is that a wiring groove is provided between the fixing cavity and the connecting cavity, and the wiring groove is provided with a plurality of reinforcing ribs, one end of the reinforcing rib is used for positioning during assembly of the fixing seat.

[0009] A further improvement to the above solution is that a plurality of plug-in guide grooves are arranged on the outside of the plug-in portion, and the plug-in guide grooves are used to guide the plug-in when the plug-in portions are plugged in.

[0010] A further improvement to the above scheme is that the plug-in portion is provided with a plurality of plug-in holes, one end of the plug-in holes is connected to the terminal fixing groove, one end of the power terminal is provided with a plug pin, one end of the plug pin extends into the plug-in hole.

[0011] A further improvement to the above scheme is that a through hole is provided on one side of the fixing portion, one end of the through hole is connected to the terminal fixing groove, the power terminal is provided with a wiring portion, the wiring portion is provided with a wiring groove and a locking screw, the locking screw is used to lock the connecting wire in the wiring groove, and one end of the locking screw is inserted from the through hole to the wiring portion.

[0012] A further improvement to the above scheme is that a fixing buckle is provided on the outside of the terminal fixing piece, and a fixing slot is provided in the terminal fixing groove, and the fixing buckle is used to cooperate with the fixing slot to fix the terminal fixing piece in the terminal fixing groove; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

[0013] A further improvement to the above solution is that the locking sleeve is a threaded locking sleeve, a threaded sleeve is provided outside the connecting cavity, and the locking sleeve is connected to the outside of the connecting cavity through threads.

[0014] A further improvement to the above scheme is that the tensioning sleeve includes a sealing ring and a shrinking sleeve arranged outside the sealing ring, and a plurality of shrinking sheets are arranged on the outer periphery of the shrinking sleeve. When the locking sleeve is locked, pressure is provided to the shrinking sleeve through the inner diameter to tighten the sealing ring through the shrinking sheets to seal and lock the connector.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the existing connectors, the energy storage connector for line end plug-in of the utility model extends to the plug-in cavity through the plug-in portion in actual use, and fixes the power terminal in the terminal fixing groove, so as to play a role of plug-in conductive contact during the plug-in process, ensure stability during the plug-in process, and at the same time, under the action of the terminal fixing piece, fix the end of the plug-in terminal, so as to ensure that the terminal will not shift during the plug-in process, thereby increasing the structural stability and reliability. Furthermore, the locking sleeve forms a tensioning sleeve to fix the structure through the action of the positioning retaining ring and the positioning ring, thereby greatly increasing the structural stability and reliability, and the wiring is stable. The problem of insufficient stability of the power terminal during the plug-in process of the existing line end connector and the problem of unstable wiring are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the wire end connector of the utility model;

[0018] Figure 2 for Figure 1 Exploded view of the midline connector;

[0019] Figure 3 for Figure 1 An exploded view of the midline connector from another perspective;

[0020] Figure 4 for Figure 1 Front view of the midline connector;

[0021] Figure 5 This is the cross-sectional view of AA in 4.

[0022] Explanation of the accompanying drawings: housing 1, plug-in cavity 11, plug-in positioning groove 111, plug-in card slot 112, fixing cavity 12, assembly card slot 121, connecting cavity 13, positioning ring 14, wiring groove 15, reinforcing rib 151, fixing seat 2, fixing part 21, assembly buckle 211, elastic groove 212, through hole 213, plug-in part 22, plug-in guide groove 221, plug-in hole 222, terminal fixing groove 23, assembly positioning groove 24, power terminal 3, pin 31, wiring part 32, wiring groove 321, locking screw 322, terminal fixing part 4, fixing buckle 41, wiring sleeve 5, locking sleeve 51, tensioning sleeve 52, sealing ring 521, shrinking sleeve 522, shrinking sheet 523, positioning retaining ring 53, tensioning groove 54. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0026] like Figure 1 to Figure 5As shown, in one embodiment of the utility model, a wire end connector is involved, including a shell 1, a fixing seat 2, an electrical terminal 3, a terminal fixing member 4 and a wiring sleeve 5, the shell 1 is provided with a plug-in cavity 11, a fixing cavity 12 and a connecting cavity 13, the plug-in cavity 11 is connected with the fixing cavity 12 and the connecting cavity 13 in sequence, and a positioning ring 14 is provided in the connecting cavity 13; the fixing seat 2 includes a fixing portion 21 and a plug-in portion 22, the fixing portion 21 is arranged in the fixing cavity 12, the plug-in portion 22 extends toward the plug-in cavity 11, the fixing seat 2 is provided with a plurality of terminal fixing grooves 23, the fixing A mounting positioning groove 24 is provided on one side of the part 21, and one side of the mounting positioning groove 24 is connected to the terminal fixing groove 23; a plurality of power terminals 3 are provided, and one end of the power terminal 3 is inserted into the terminal fixing groove 23; the terminal fixing member 4 is installed in the mounting positioning groove 24 and fixes the power terminal 3 in the terminal fixing groove 23; the wiring sleeve 5 includes a locking sleeve 51 and a tensioning sleeve 52, and the locking sleeve 51 is located at one end of the tensioning sleeve 52 and is provided with a positioning retaining ring 53, and a tensioning groove 54 is formed between the positioning retaining ring 53 and the positioning ring 14, and the tensioning sleeve 52 is arranged in the tensioning groove 54. This embodiment is used for the energy storage connector for plugging in the wire ends. In actual use, the plug-in portion 22 extends to the plug-in cavity 11, and the power terminal 3 is fixed in the terminal fixing groove 23, so as to play a role of plug-in conductive contact during the plug-in process, ensuring stability during the plug-in process. At the same time, under the action of the terminal fixing member 4, the end of the plug-in terminal 3 is fixed, so as to ensure that the terminal will not shift during the plug-in process, thereby increasing the structural stability and reliability. Furthermore, the locking sleeve 51 forms a tensioning sleeve 52 to fix the structure through the action of the positioning retaining ring 53 and the positioning ring 14, thereby greatly increasing the structural stability and reliability, and the wiring is stable. The problem of insufficient stability of the power terminal 3 during the plug-in process of the existing wire end connector and the problem of unstable wiring are solved.

[0027] The insertion port of the plug cavity 11 is provided with a plug-in positioning groove 111, and the plug-in positioning groove 111 is provided with a plug-in card groove 112, and one end of the plug-in card groove 112 is connected to the plug-in positioning groove 111. In this embodiment, the plug-in positioning groove 111 and the plug-in card groove 112 play a positioning, guiding and clamping role in the process of connector insertion. Then, the counterpart connector is provided with a plug-in buckle to cooperate with the plug-in card groove 112 for clamping and fixing, so that the two connectors remain plugged in and will not fall off.

[0028] The fixing cavity 12 is provided with assembly slots 121 on both sides, the fixing portion 21 is provided with assembly buckles 211 on both sides, and elastic slots 212 are provided on both sides of the assembly buckle 211, so that the assembly buckle 211 has elastic tension during assembly, and the assembly buckle 211 is used to cooperate with the assembly slot 121 to fix the fixing portion 21 in the fixing cavity 12. In this embodiment, during the assembly process, the fixing portion 21 is assembled from the plug-in cavity 11 to the fixing cavity 12, and during the assembly process, the assembly buckles 211 on both sides are contracted by elastic tension until they are assembled to the assembly slot 121 to achieve fixation. The structure is easy to assemble and stable and reliable.

[0029] A wiring groove 15 is provided between the fixing cavity 12 and the connecting cavity 13, and the wiring groove 15 is provided with a plurality of reinforcing ribs 151, one end of which is used for positioning when the fixing seat 2 is assembled. In this embodiment, the wiring groove 15 is used to lead the connecting wire from the connecting cavity 13, and the reinforcing ribs 151 are used for positioning the fixing seat 2, and the assembly positioning accuracy is high.

[0030] The plug-in portion 22 is provided with a plurality of plug-in guide grooves 221 on its exterior, and the plug-in guide grooves 221 are used to guide the plug-in of the plug-in portion 22. In this embodiment, the plug-in guide grooves 221 are used to guide and position the connectors during the plug-in process, thereby ensuring the plug-in accuracy and stability of the connectors.

[0031] The plug-in portion 22 is provided with a plurality of plug-in holes 222, one end of the plug-in holes 222 is connected to the terminal fixing groove 23, one end of the power terminal 3 is provided with a plug-in pin 31, one end of the plug-in pin 31 extends into the plug-in hole 222. In this embodiment, the plug-in holes 222 are used for alignment and plugging to connect the connector of the object to the plug-in pin 31, thereby ensuring the plug-in and conductive stability of the connector.

[0032] A through hole 213 is provided on one side of the fixing portion 21, one end of the through hole 213 is connected to the terminal fixing slot 23, the power terminal 3 is provided with a wiring portion 32, the wiring portion 32 is provided with a wiring slot 321 and a locking screw 322, the locking screw 322 is used to lock the connection wire in the wiring slot 321, and one end of the locking screw 322 is inserted from the through hole 213 to the wiring portion 32. In this embodiment, the locking screw 322 is passed through the through hole 213 to lock the connection wire, thereby ensuring the stability of the connection of the connection wire.

[0033] The terminal fixing member 4 is provided with a fixing buckle 41 on the outside, and the terminal fixing groove 23 is provided with a fixing buckle. The fixing buckle 41 is used to cooperate with the fixing buckle to fix the terminal fixing member 4 in the terminal fixing groove 23. The terminal fixing member 4 is provided with a plurality of through slots for passing the connecting wires. In this embodiment, the through slots pass the connecting wires so as to be connected with the wiring groove 321. The fixing buckle 41 and the fixing buckle are assembled together, and the structure is easy to install.

[0034] The locking sleeve 51 is a threaded locking sleeve 51, and a threaded sleeve is provided on the outside of the connection cavity 13, and the locking sleeve 51 is connected to the outside of the connection cavity 13 by threads. Specifically, the tensioning sleeve 52 includes a sealing ring 521 and a shrinking sleeve 522 provided on the outside of the sealing ring 521, and a plurality of shrinking sheets 523 are provided on the outer periphery of the shrinking sleeve 522. When the locking sleeve 51 is locked, pressure is provided to the shrinking sleeve 522 through the inner diameter, so as to tighten the sealing ring 521 through the shrinking sheets 523 to seal and lock the connector. In this embodiment, the threaded connection structure is convenient for assembly, and the connecting line is tightened and fixed during the locking process to ensure stability.

[0035] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A line end connector, characterized in that: include A housing, wherein the housing is provided with an inserting cavity, a fixing cavity and a connecting cavity, the inserting cavity is connected to the fixing cavity and the connecting cavity in sequence, and a positioning ring is provided in the connecting cavity; A fixing seat, the fixing seat comprising a fixing portion and a plug-in portion, the fixing portion being arranged in the fixing cavity, the plug-in portion extending toward the plug-in cavity, the fixing seat being provided with a plurality of terminal fixing grooves, one side of the fixing portion being provided with an assembly positioning groove, one side of the assembly positioning groove being connected to the terminal fixing groove; A power terminal, wherein a plurality of power terminals are provided, and one end of the power terminal is inserted into the terminal fixing groove; A terminal fixing member, which is installed in the assembly positioning groove and fixes the power terminal in the terminal fixing groove; as well as The wiring sleeve comprises a locking sleeve and a tensioning sleeve, wherein the locking sleeve is provided with a positioning retaining ring at one end of the tensioning sleeve, a tensioning groove is formed between the positioning retaining ring and the positioning ring, and the tensioning sleeve is arranged in the tensioning groove.

2. The line end connector according to claim 1, characterized in that: The insertion opening of the insertion cavity is provided with an insertion positioning groove, the insertion positioning groove is provided with an insertion card groove, and one end of the insertion card groove is connected to the insertion positioning groove.

3. The line end connector according to claim 1, characterized in that: Assembly slots are provided on both sides of the fixing cavity, assembly buckles are provided on both sides of the fixing part, and elastic slots are provided on both sides of the assembly buckle so that the assembly buckle has elastic tension during assembly. The assembly buckle is used to cooperate with the assembly slots to fix the fixing part in the fixing cavity.

4. The wire end connector according to claim 1, characterized in that: A wiring groove is provided between the fixing cavity and the connecting cavity, and the wiring groove is provided with a plurality of reinforcing ribs, one end of the reinforcing ribs is used for positioning when the fixing seat is assembled.

5. The wire end connector according to claim 1, characterized in that: A plurality of plug-in guide grooves are arranged outside the plug-in portion, and the plug-in guide grooves are used for guiding the plug-in when the plug-in portions are plugged in.

6. The wire end connector according to claim 5, characterized in that: The plug-in portion is provided with a plurality of plug-in holes, one end of the plug-in hole is connected to the terminal fixing groove, one end of the power terminal is provided with a plug pin, one end of the plug pin extends into the plug-in hole.

7. The wire end connector according to claim 1, characterized in that: A through hole is provided on one side of the fixing portion, one end of the through hole is connected to the terminal fixing groove, the power terminal is provided with a wiring portion, the wiring portion is provided with a wiring groove and a locking screw, the locking screw is used to lock the connecting wire in the wiring groove, and one end of the locking screw is inserted into the wiring portion from the through hole.

8. The line end connector according to claim 7, characterized in that: A fixing buckle is arranged on the outer side of the terminal fixing piece, and a fixing slot is arranged in the terminal fixing groove. The fixing buckle is used to cooperate with the fixing slot to fix the terminal fixing piece in the terminal fixing groove; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

9. The wire end connector according to claim 1, characterized in that: The locking sleeve is a threaded locking sleeve, a threaded sleeve is arranged outside the connecting cavity, and the locking sleeve is connected to the outside of the connecting cavity through threads.

10. The wire end connector according to claim 9, characterized in that: The tensioning sleeve includes a sealing ring and a shrink sleeve arranged outside the sealing ring. A plurality of shrink sheets are arranged on the outer circumference of the shrink sleeve. When the locking sleeve is locked, pressure is provided to the shrink sleeve through the inner diameter to tighten the sealing ring through the shrink sheets to seal and lock the connector.

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