Double-core wire end connector

Abstract

The utility model relates to the technical field of electric connection, in particular to a double-core wire end connector, which comprises a shell, a plugging fixing seat, a wiring fixing seat, a tail wiring assembly and an electric connection element, a plugging cavity, a fixing cavity and a wiring cavity are sequentially communicated with the interior of the shell, the plugging fixing seat comprises a plugging head and a fixing connecting part, the fixing connecting part is arranged in the fixing cavity, one end of the plugging head is provided with a plugging hole, the plugging head extends towards the plugging cavity, the number of the power connection elements is two, and the power connection elements are arranged in the plugging hole. The two power connection elements are both arranged in the fixed connection part and extend towards the insertion hole, the wiring fixing seat is used for fixing the power connection elements to the fixed connection part, and the tail wiring assembly is arranged outside the wiring cavity. The utility model has the advantages of compact structure, clear function division, effective connection, convenient use, obvious comprehensive application effect and improved durability and stability.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection, in particular to a two-core wire-end connector. Background Art

[0002] A connector is a component often contacted by electronic engineering technicians. Its function is to build a communication bridge between the interrupted or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. An energy storage connector is a connector specially used for connecting and transmitting electric energy. The main functions of the energy storage connector are to provide current transmission, voltage distribution and partial protection functions for the system battery pack. It needs to withstand high voltage and large current, and also has a low enough contact resistance to ensure stable current transmission and low energy consumption, and improve the efficiency of the entire energy storage system.

[0003] In the existing connector during use, when it is used for wire-end connection, due to the structural design, the durability and stability are poor during cyclic use. Therefore, it is necessary to further improve the structure of the existing connector. Summary of the Utility Model

[0004] To solve the above problems, the utility model provides a two-core wire-end connector with a compact structure, clear function partitioning, effective connection, convenient use, remarkable comprehensive application effect, and improved durability and stability.

[0005] The technical solution adopted by the utility model is: a two-core wire-end connector, including a housing, a plug-in fixing seat, a wiring fixing seat, a tail wiring assembly and a power connection element; an insertion cavity, a fixing cavity and a wiring cavity are sequentially communicated inside the housing, the plug-in fixing seat includes a plug head and a fixed connection part, the fixed connection part is arranged in the fixing cavity, one end of the plug head is provided with an insertion hole, the plug head extends towards the insertion cavity, there are two power connection elements, both of the two power connection elements are arranged in the fixed connection part and extend towards the insertion hole, the wiring fixing seat is used to fix the power connection element in the fixed connection part, and the tail wiring assembly is arranged outside the wiring cavity.

[0006] For further improvement of the above solution, an outer insertion groove is formed between the inner wall of the insertion cavity and the outer wall of the plug head, and an inner insertion groove is formed between the inner wall of the insertion hole and the outer wall of the power connection element.

[0007] For further improvement of the above solution, the housing is provided with an insertion positioning groove on the outside of the insertion cavity, an insertion positioning platform is arranged on the insertion positioning groove, an insertion card slot is arranged on the insertion positioning platform, and one end of the insertion card slot communicates with the outer insertion groove.

[0008] A further improvement to the above solution is that the inner wall of the fixed cavity is provided with positioning guide strips and positioning card slots, the fixed connection part is provided with positioning guide grooves and positioning buckles, the positioning guide grooves are used to cooperate with the positioning guide strips, and the positioning buckles are used to cooperate with the positioning card slots so that the fixed connection part is fixed in the fixed cavity.

[0009] A further improvement to the above solution is that the rear end of the fixed connection part is provided with a fixed pressing groove, the wiring fixing seat is arranged in the fixed pressing groove and fixes the power connection element, a fixed card slot is arranged outside the fixed pressing groove, the wiring fixing seat is provided with a fixed buckle, the fixed buckle is used to cooperate with the fixed card slot, and the wiring fixing seat is provided with a wiring groove.

[0010] A further improvement to the above solution is that fixed pressing platforms are arranged on both sides of the wiring groove, and the fixed pressing platforms are used to fix the power connection element to the fixed connection part.

[0011] A further improvement to the above solution is that the fixed connection part is provided with a terminal fixing groove, a locking hole is arranged at one end of the terminal fixing groove, and the fixed pressing platform is used to fix and press the power connection element in the terminal fixing groove.

[0012] A further improvement to the above solution is that a threaded connection part is arranged outside the wiring cavity, the tail wiring assembly includes a nut sleeve, a clamping sleeve and a sealing member, the inner circumference of the nut sleeve is connected to the threaded connection part, and the clamping sleeve and the sealing member are sequentially arranged in the nut sleeve.

[0013] A further improvement to the above solution is that the nut sleeve is provided with a pressing inclined surface, the clamping sleeve is provided with a clamping part, the pressing inclined surface is used to drive the clamping part to clamp the sealing member, and the sealing member is a rubber sealing member to seal and clamp the connecting wire.

[0014] A further improvement to the above solution is that the power connection element includes a plug end and a wiring end, the plug end extends to the plug hole, the wiring end is arranged in the terminal fixing groove, the wiring end is provided with a wiring locking groove, and a locking screw is arranged on one side of the wiring locking groove.

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

[0016] Compared with existing connectors, the utility model adopts a plugging cavity, a fixing cavity and a wiring cavity with interconnected interiors in the housing. Through the settings of a plugging fixing base, a wiring fixing base and a tail wiring assembly, a clear division of the functions of the connector and the rationality of the structural layout are achieved. This design makes each functional area of the connector independent of each other during use, avoiding interference and confusion between different components, and improving the stability and reliability of the connector. Through the design of the plugging head and the fixed connection part in the plugging fixing base, as well as the setting and fixing of the power connection element, a firm connection between the plugging head and the power connection element is achieved. This design ensures that there is no risk of failure caused by poor connection during the operation of the connector, improving the safety and stability of the connector. The wiring fixing base is used to fix the power connection element to the fixed connection part, ensuring the firmness and reliability of the wiring. At the same time, the tail wiring assembly is arranged outside the wiring cavity, making the wiring operation more convenient and fast, simplifying the wiring installation process of the connector, and improving the maintainability and usability of the connector. It is applicable to the electrical connection requirements in various fields, such as electronic devices, industrial automation and other fields. Its characteristics of compact structure, reliable connection and convenient maintenance provide an effective solution for electrical connections in different scenarios, meeting the requirements for the reliability and safety of connectors in various application environments. During long-term use, it can maintain a stable electrical connection and good working state, reduce wear and looseness caused by frequent plugging and unplugging, extend the service life of the connector, and improve the reliability and stability of the connector. Through technical effects such as compact structure, clear functional partitioning, effective connection, convenient use, significant comprehensive application effect, and improved durability and stability, the utility model provides a reliable and efficient solution for electrical connections in various scenarios, promotes the wide application of connectors in industry and electronic devices, and meets the requirements for the reliability and safety of connectors in different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 is Figure 1 an exploded view of the double-core wire-end connector in

[0019] Figure 3 is Figure 1 an exploded view of the double-core wire-end connector from another perspective in

[0020] Figure 4 is Figure 1 the front view schematic diagram of the double-core wire-end connector in

[0021] Figure 5 is Figure 4 the sectional view taken along A-A in

[0022] Description of reference numerals in the drawings: housing 1, plugging cavity 11, outer plugging groove 111, inner plugging groove 112, fixing cavity 12, positioning and guiding strip 121, positioning card slot 122, wiring cavity 13, threaded connection part 131, plugging positioning slot 14, plugging positioning table 141, plugging card slot 142, plugging fixing seat 2, plug connector 21, plugging hole 211, fixed connection part 22, positioning and guiding groove 221, positioning buckle 222, fixed pressing groove 223, fixed card slot 224, terminal fixing slot 225, wiring fixing seat 3, fixed buckle 31, wiring slot 32, fixed pressing table 321, tail wiring assembly 4, nut sleeve 41, pressing inclined surface 411, clamping sleeve 42, clamping part 421, seal 43, power connection element 5, plugging end 51, wiring end 52, wiring locking slot 521, locking screw 522. Detailed implementation manners

[0023] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure content of the present utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can 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 commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. As Figures 1 to 5As shown in the figure, in an embodiment of the present utility model, a double-core wire end connector is involved, which includes a housing 1, a plug-in fixing seat 2, a wiring fixing seat 3, a tail wiring assembly 4, and an electricity connection element 5; an insertion cavity 11, a fixing cavity 12, and a wiring cavity 13 are sequentially communicated inside the housing 1. The plug-in fixing seat 2 includes a plug-in head 21 and a fixed connection portion 22. The fixed connection portion 22 is arranged in the fixing cavity 12. One end of the plug-in head 21 is provided with a plug-in hole 211. The plug-in head 21 extends towards the insertion cavity 11. There are two electricity connection elements 5, and both of the two electricity connection elements 5 are arranged in the fixed connection portion 22 and extend towards the plug-in hole 211. The wiring fixing seat 3 is used to fix the electricity connection element 5 in the fixed connection portion 22. The tail wiring assembly 4 is arranged outside the wiring cavity 13. In this embodiment, the insertion cavity 11, the fixing cavity 12, and the wiring cavity 13 that are communicated inside the housing 1, through the settings of the plug-in fixing seat 2, the wiring fixing seat 3, and the tail wiring assembly 4, realize the clear division of the functions of the connector and the rationality of the structural layout. This design makes each functional area of the connector independent of each other during use, avoiding interference and chaos between different components, and improving the stability and reliability of the connector. Through the design of the plug-in head 21 and the fixed connection portion 22 in the plug-in fixing seat 2, as well as the setting and fixing of the electricity connection element 5, a firm connection between the plug-in head 21 and the electricity connection element 5 is realized. This design ensures that the connector will not cause failure risks due to poor connection during operation, and improves the safety and stability of the connector. The wiring fixing seat 3 is used to fix the electricity connection element 5 in the fixed connection portion 22, ensuring the firmness and reliability of the wiring. At the same time, the tail wiring assembly 4 is arranged outside the wiring cavity 13, making the wiring operation more convenient and fast, simplifying the wiring installation process of the connector, and improving the maintainability and usability of the connector. It is applicable to the electrical connection requirements in various fields, such as electronic devices, industrial automation, etc. Its characteristics of compact structure, reliable connection, and convenient maintenance provide an effective solution for electrical connections in different scenarios, meeting the requirements for the reliability and safety of connectors in various application environments. During long-term use, it can maintain a stable electrical connection and a good working state, reduce wear and looseness caused by frequent plugging and unplugging, extend the service life of the connector, and improve the reliability and stability of the connector. The present utility model provides a reliable and efficient solution for electrical connections in various scenarios through technical effects such as compact structure, clear functional partitioning, effective connection, convenient use, significant comprehensive application effects, and improved durability and stability, promoting the wide application of connectors in industry and electronic devices, and meeting the requirements for the reliability and safety of connectors in different application scenarios.

[0026] An outer insertion slot 111 is formed between the inner wall of the insertion cavity 11 and the outer wall of the plug connector 21, and an inner insertion slot 112 is formed between the inner wall of the insertion hole 211 and the outer wall of the power connection element 5. Specifically, the housing 1 is provided with an insertion positioning groove 14 on the outside of the insertion cavity 11. An insertion positioning platform 141 is provided on the insertion positioning groove 14, and an insertion card slot 142 is provided on the insertion positioning platform 141. One end of the insertion card slot 142 communicates with the outer insertion slot 111. In this embodiment, through the design of the insertion positioning groove 14, the insertion positioning platform 141, and the insertion card slot 142 on the housing 1, and the setting of the inner insertion slot 112 and the outer insertion slot 111, the accurate positioning and fixation of the plug connector 21 are realized. This design enables the plug connector 21 to be accurately positioned to the corresponding position during the insertion process, avoiding the damage risk caused by poor insertion, and improving the reliability and safety of the connector. The setting of the outer insertion slot 111 and the inner insertion slot 112 helps to increase the contact area between the plug connector 21 and the insertion cavity 11, thereby enhancing the plugging and unplugging stability between the plug connector 21 and the connector. This helps to reduce the wear caused by frequent plugging and unplugging, extends the service life of the connector, and improves the reliability and stability of the connector. The setting of the insertion positioning groove 14, the insertion positioning platform 141, and the insertion card slot 142 simplifies the insertion operation, enabling the plug connector 21 to be quickly and accurately inserted into the connector. This design simplifies the usage process of the connector and improves the maintainability and usability of the connector. The accurate insertion positioning and stable plugging and unplugging process help to reduce the loosening or wear of the connector due to frequent use, extending the service life of the connector. This helps to improve the reliability and stability of the connector.

[0027] The inner wall of the fixed cavity 12 is provided with a positioning guide strip 121 and a positioning card slot 122. The fixed connection part 22 is provided with a positioning guide groove 221 and a positioning buckle 222. The positioning guide groove 221 is used to cooperate with the positioning guide strip 121, and the positioning buckle 222 is used to cooperate with the positioning card slot 122 to fix the fixed connection part 22 in the fixed cavity 12. In this embodiment, through the design of the positioning guide strip 121 and the positioning card slot 122 on the inner wall of the fixed cavity 12, and the positioning guide groove 221 and the positioning buckle 222 of the fixed connection part 22, the accurate fixation and positioning of the fixed connection part 22 are realized. This design enables the connector to maintain a stable electrical connection and a good working state during operation, reducing the risk of electrical faults caused by loosening or displacement, and improving the safety and stability of the connector. The accurate fixed positioning design helps to reduce the loosening or wear of the connector due to frequent use, extending the service life of the connector. This helps to reduce the loosening or wear of the connector due to long-term use and improves the reliability and stability of the connector.

[0028] A fixed pressure groove 223 is provided at the rear end of the fixed connection part 22. The wiring fixing base 3 is arranged in the fixed pressure groove 223 and fixes the power connection element 5. A fixed clamping groove 224 is provided outside the fixed pressure groove 223. The wiring fixing base 3 is provided with a fixed clamping buckle 31, and the fixed clamping buckle 31 is used to cooperate with the fixed clamping groove 224. The wiring fixing base 3 is provided with a wiring groove 32. Specifically, fixed pressing platforms 321 are provided on both sides of the wiring groove 32, and the fixed pressing platforms 321 are used to fix the power connection element 5 to the fixed connection part 22. The fixed connection part 22 is provided with a terminal fixing groove 225, and a locking hole 222 is provided at one end of the terminal fixing groove 225. The fixed pressing platform 321 is used to fix and press the power connection element 5 tightly in the terminal fixing groove 225. In this embodiment, through the design of the fixed pressure groove 223, the fixed clamping buckle 31 and the wiring groove 32, the stable fixation of the power connection element 5 is realized. This design ensures the firmness and reliability of the electrical connection, reduces the risk of failures caused by poor connection, and improves the safety and stability of the connector. The wiring fixing base 3 is arranged in the fixed pressure groove 223 and cooperates with the fixed clamping buckle 31 and the fixed pressing platforms 321 on both sides of the wiring groove 32, making the wiring installation more convenient and fast. This design simplifies the wiring installation process of the connector and improves the maintainability and usability of the connector. The stable electrical connection design can reduce the wear caused by frequent plugging and unplugging and extend the service life of the connector. The settings of the fixed pressure groove 223 and the fixed clamping buckle 31 ensure that the connector can maintain a stable electrical connection and a good working state during operation, reduce the looseness or wear caused by long-term use, and improve the reliability and stability of the connector.

[0029] The outside of the wiring cavity 13 is provided with a threaded connection part 131. The tail wiring assembly 4 includes a nut sleeve 41, a clamping sleeve 42 and a seal 43. The inner circumference of the nut sleeve 41 is connected to the threaded connection part 131, and the clamping sleeve 42 and the seal 43 are sequentially arranged in the nut sleeve 41. Specifically, the nut sleeve 41 is provided with a pressing inclined surface 411, and the clamping sleeve 42 is provided with a clamping part 421. The pressing inclined surface 411 is used to drive the clamping part 421 to clamp the seal 43. The seal 43 is a rubber seal 43 to seal and clamp the connecting wire. In this embodiment, through the design of the nut sleeve 41, the clamping sleeve 42 and the rubber seal 43, reliable sealing and clamping of the connecting wire are achieved. This design ensures that the connector can effectively prevent the intrusion of external moisture, dust and other substances during operation, improves the waterproof and dustproof performance of the connector, and ensures the safe and reliable operation of the connecting wire. The design of the threaded connection part 131 and the nut sleeve 41 simplifies the installation process of the connector, enabling the tail wiring assembly 4 to be quickly and accurately connected to the connector. This design simplifies the installation operation of the connector, improves the production efficiency and maintainability of the connector. The stable clamping design can reduce the loosening or damage of the connector caused by frequent use, and extends the service life of the connector. The setting of the rubber seal 43 ensures that the connecting wire can maintain a good sealing state during long-term use, improving the reliability and stability of the connector.

[0030] The power connection element 5 includes a plug-in end 51 and a wiring end 52. The plug-in end 51 extends into the plug-in hole 211, and the wiring end 52 is arranged in the terminal fixing groove 225. The wiring end 52 is provided with a wiring locking groove 521, and a locking screw 522 is arranged on one side of the wiring locking groove 521. In this embodiment, through the plug-in end 51 extending into the plug-in hole 211, the wiring end 52 being arranged in the terminal fixing groove 225, and in cooperation with the design of the wiring locking groove 521 and the locking screw 522, stable fixing of the power connection element 5 is achieved. This design ensures the firmness and reliability of the electrical connection, reduces the risk of failures caused by poor connection, and improves the safety and stability of the connector. The design of the wiring locking groove 521 and the locking screw 522 simplifies the wiring installation process of the connector, making the wiring installation more convenient and fast. This design simplifies the wiring operation of the connector, improves the maintainability and usability of the connector. The stable electrical connection design can reduce the wear caused by frequent plugging and unplugging, and extends the service life of the connector. The stable fixing of the plug-in end 51 and the wiring end 52 ensures that the connector can maintain a stable electrical connection and a good working state during operation, reduces the loosening or wear caused by long-term use, and improves the reliability and stability of the connector.

[0031] The above embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several variations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A two-core wire end connector, characterized in that: It includes a shell, a plug-in fixing seat, a wiring fixing seat, a tail wiring assembly and an electrical connection element; the inside of the shell is connected with a plug-in cavity, a fixing cavity and a wiring cavity in sequence, the plug-in fixing seat includes a plug connector and a fixed connection part, the fixed connection part is arranged in the fixed cavity, one end of the plug connector is provided with a plug hole, the plug connector extends toward the plug cavity, two electrical connection elements are provided, both of which are arranged in the fixed connection part and extend toward the plug hole, the wiring fixing seat is used to fix the electrical connection element to the fixed connection part, and the tail wiring assembly is arranged outside the wiring cavity.

2. The double-core wire end connector according to claim 1, characterized in that: An outer plug-in groove is formed between the inner wall of the plug-in cavity and the outer wall of the plug connector, and an inner plug-in groove is formed between the inner wall of the plug-in hole and the outer wall of the electrical connection element.

3. The double-core wire end connector according to claim 2, characterized in that: The outer side of the plug-in cavity of the shell is provided with a plug-in positioning groove, a plug-in positioning platform is provided on the plug-in positioning groove, a plug-in card slot is provided on the plug-in positioning platform, and one end of the plug-in card slot is connected to the external plug-in slot.

4. The double-core wire end connector according to claim 1, characterized in that: The inner wall of the fixed cavity is provided with a positioning guide strip and a positioning card slot, and the fixed connection part is provided with a positioning guide slot and a positioning card buckle. The positioning guide slot is used to cooperate with the positioning guide strip, and the positioning card buckle is used to cooperate with the positioning card slot, so that the fixed connection part is fixed in the fixed cavity.

5. The double-core wire end connector according to claim 1, characterized in that: A fixed pressing groove is arranged at the rear end of the fixed connection part, the wiring fixing seat is arranged in the fixed pressing groove and fixes the electrical connection element, a fixed card slot is arranged on the outer side of the fixed pressing groove, the wiring fixing seat is provided with a fixed buckle, the fixed buckle is used to cooperate with the fixed card slot, and the wiring fixing seat is provided with a wiring groove.

6. The double-core wire end connector according to claim 5, characterized in that: Fixed pressing platforms are arranged on both sides of the wiring slot, and the fixed pressing platforms are used to fix the power connection element on the fixed connection part.

7. The double-core wire end connector according to claim 6, characterized in that: The fixed connection portion is provided with a terminal fixing groove, one end of the terminal fixing groove is provided with a locking hole, and the fixed pressing platform is used to fix and press the electrical connection element in the terminal fixing groove.

8. The dual-core wire end connector according to claim 1, characterized in that: A threaded connection portion is arranged outside the wiring cavity, and the tail wiring assembly comprises a nut sleeve, a clamping sleeve and a seal. The inner periphery of the nut sleeve is connected to the threaded connection portion, and the clamping sleeve and the seal are arranged in the nut sleeve in sequence.

9. The double-core wire end connector according to claim 8, characterized in that: The nut sleeve is provided with a clamping bevel, and the clamping sleeve is provided with a clamping portion. The clamping bevel is used to drive the clamping portion to clamp the sealing element, which is a rubber sealing element, to seal and clamp the connecting line.

10. The double-core wire end connector according to claim 7, characterized in that: The power connection element comprises a plug-in end and a wiring end, wherein the plug-in end extends to the plug-in hole, the wiring end is arranged in the terminal fixing groove, the wiring end is provided with a wiring locking groove, and a locking screw is arranged on one side of the wiring locking groove.

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