High-voltage large-current quick plug connector

By designing the clamping block and elastic conductive sheet structure of the high-voltage, high-current quick-connect connector, the problems of poor connector contact and cable damage caused by vibration were solved, achieving a highly stable and reliable cable connection.

CN223527518UActive Publication Date: 2025-11-07MAIGE LEIBO ELECTRONICS (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202423074952.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-07
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing high-voltage quick-connect couplings are prone to poor contact, causing conductors to stick together and become difficult to pull out, and equipment vibration can cause fatigue fracture of the cable fixing end.

Method used

A high-voltage, high-current quick-connect connector with male and female connectors was designed. It adopts a clamping block and elastic conductive sheet structure to clamp the cable and maintain a stable connection. Combined with micro switches and fixing components, it ensures connection stability and shock resistance.

Benefits of technology

It improves stability during frequent high-voltage, high-current power supply, reduces damage to joints caused by equipment vibration, and ensures the reliability and safety of cable connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-voltage heavy-current quick plug connector, which comprises a male connector, a female connector and fixing pieces, the male connector is installed on equipment in a square shape, the female connector is plugged on the male connector, and the fixing pieces are installed on the two sides of the male connector and the two sides of the female connector to clamp, fix and press the female connector plugged on the male connector. The male connector comprises a mounting shell and a plurality of electrode plates, a plurality of first via holes are formed in a top wall plate of the mounting shell, and slidable clamping blocks are arranged in the first via holes and used for clamping and fixing a cable. The female joint comprises a plugging shell and an electrode groove, a plurality of second through holes are formed in a top wall plate of the plugging shell, and slidable clamping blocks are arranged in the second through holes and used for clamping and fixing the cable. The number of the electrode grooves is three, and a plurality of conductive elastic conducting strips are arranged on the two sides of the electrode grooves and can abut against the electrode plates clamped in the electrode grooves. The quick-plug connector is simple in structure and convenient to install, damage to the plug caused by equipment vibration is greatly reduced, and stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a power-on connector, especially a high-voltage and high-current quick connector. BACKGROUND

[0002] The industrial equipment used nowadays usually needs large current to start and stop frequently when working, which has a very high requirement for the power supply connector. The commonly used Staubli high-voltage quick connector on the market has the problems of easy contact failure, conductor adhesion, and difficult to pull out or internal contact failure, which is difficult to find. In addition, the vibration generated by the equipment during work will be transmitted to the power cable, causing the fixed end of the cable and the equipment to fatigue and break. SUMMARY

[0003] In view of the above, it is necessary to provide a high-voltage and high-current quick connector with simple structure and reliability to improve the stability of the power-on connector during large current and frequent power supply work.

[0004] The high-voltage and high-current quick connector comprises a male connector and a female connector.

[0005] The male connector comprises a mounting shell surrounded by a plurality of wall plates, an electrode mounting member arranged in the mounting shell, and an electrode sheet arranged in the electrode mounting member. A first through hole is formed in the top wall plate of the mounting shell, and a slidable clamping block is arranged in the first through hole to clamp the cable.

[0006] The female connector comprises a plug-in shell and a plug-in member. One end of the plug-in member is arranged in the plug-in shell, and the other end is located outside the plug-in shell to form a plug-in end. The plug-in end is provided with an electrode slot, and an elastic conductive sheet is arranged in the electrode slot. A second through hole is formed in the top wall plate of the plug-in shell, and a slidable clamping block is arranged in the second through hole to clamp the cable.

[0007] When the male connector is plugged into the female connector, the elastic conductive sheet abuts against the electrode sheet.

[0008] Further, the electrode mounting member is provided with a groove, and the groove is divided into three chambers. An electrode sheet is arranged in each chamber.

[0009] Further, one end of the electrode sheet is accommodated in the chamber, and the other end extends below the first through hole. A through connection hole is formed in the end of the electrode sheet below the first through hole, and a bolt is arranged in the connection hole to fix the cable.

[0010] Further, the plug-in end is formed with three plug-in blocks, each plug-in block is provided with an electrode slot, and each plug-in block is correspondingly plugged into each chamber of the groove.

[0011] Further, a plurality of elastic conductive sheets are arranged in each electrode slot; the end of the plug-in part installed in the plug-in shell is provided with three conductive plates, and the plurality of elastic conductive sheets in each electrode slot are connected in parallel to the corresponding conductive plate; the three conductive plates extend into the plug-in shell and are located below the second through hole, and each conductive plate is provided with a fixing hole for fixing the cable with a bolt.

[0012] Further, two partition plates are arranged in the groove, and the two partition plates divide the groove into three identical chambers; the plug-in slots are formed between the adjacent two plug-in blocks, and when the male connector and the female connector are connected, the two partition plates are inserted into the two plug-in slots, the three plug-in blocks are inserted into the three chambers, and the three electrode sheets are inserted into the three electrode slots.

[0013] Further, a micro switch is further installed on the front wall plate of the plug-in shell, and the micro switch is pressed and triggered when the female connector is fully inserted into the male connector, thereby generating a plug-in completion signal.

[0014] Further, the high-voltage and large-current quick plug connector further comprises a fixing part, the fixing part comprises two clamping hooks and two clamping sleeves, the two clamping hooks are respectively installed on the left and right sides of the male connector, and the two clamping sleeves are respectively installed on the left and right sides of the female connector; each clamping sleeve comprises a pressing handle and a clamping ring connected with the pressing handle, and the clamping ring is used to be clamped in the corresponding clamping hook.

[0015] Further, the fixing part further comprises four fixing supports, two of which are respectively installed on the left and right sides of the male connector, and the other two are respectively installed on the left and right sides of the female connector, and each fixing support comprises a vertical section and a horizontal section, the vertical section is installed on the side wall plates of the male connector and the female connector, and the horizontal section is used to be fixed on the base surface below the horizontal section.

[0016] Further, the fixing part further comprises a plurality of support columns, one end of the plurality of support columns is arranged on the outer periphery of the plug-in part, and the other end extends to form a free end; and the free end of each support column is provided with an elastic member, and when the male connector is plugged into the female connector, the elastic member is used to offset the vibration between the male connector and the female connector.

[0017] Compared with the prior art, the high-voltage and large-current quick plug connector of the utility model is characterized in that the first through hole and the second through hole are arranged on the installation shell and the top wall plate of the plug-in shell, the clamping blocks arranged in the first through hole and the second through hole are used to clamp the cable, and a plurality of elastic conductive sheets are arranged in the electrode slot of the female connector, so that the high-voltage and large-current can pass through, and in the face of the vibration generated by the equipment working, the electrode sheet inserted into the electrode slot is always clamped by the elastic conductive sheet, the structure is simple and convenient to assemble, the damage of the quick plug connector caused by the vibration generated by the equipment working is effectively reduced, and the stability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Figure 1 is a schematic diagram of the installation of the high-voltage and high-current quick plug connector according to the preferred embodiment of the present application;

[0019] Figure 2 Figure 2 is a perspective view of the high-voltage and high-current quick plug connector according to the preferred embodiment of the present application;

[0020] Figure 3 Figure 3 is an exploded view of the male connector according to the preferred embodiment of the present application;

[0021] Figure 4 Figure 4 is an exploded view of the female connector according to the preferred embodiment of the present application;

[0022] Figure 5 Figure 5 is a perspective view of the high-voltage and high-current quick plug connector according to the preferred embodiment of the present application, which is not hoisted;

[0023] Figure 6 Figure 6 is a sectional view of the top view of the high-voltage and high-current quick plug connector according to the preferred embodiment of the present application.

[0024] The reference signs are explained as follows:

[0025] 1, male connector; 11, installation shell; 111, first through hole; 112, installation groove; 113, clamping block; 12, electrode installation piece; 121, groove; 122, partition plate; 123, cavity; 124, flange; 13, electrode sheet; 131, connecting hole; 2, female connector; 201, micro switch; 21, plug-in shell; 211, second through hole; 212, fixing groove; 22, plug-in piece; 221, plug-in block; 222, plug-in groove; 223, fixing edge; 23, electrode groove; 231, elastic conductive sheet; 232, fixing hole; 24, conductive plate; 3, fixing piece; 31, clamping hook; 32, clamping sleeve; 321, pressing handle; 322, clamping ring; 33, fixing support; 34, support column; 341, elastic piece; 35, handle. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.

[0027] Please refer to Figure 1 Figure 2, high-voltage and high-current fast plug connector, comprising a male connector 1, a female connector 2 and a fixing member 3, the male connector 1 is installed on the equipment in a square shape, and one end of the male connector 1 used for connecting the female connector 2 protrudes outside the equipment; the female connector 2 is provided as a square connector corresponding to the male connector 1 and is plugged into the end of the male connector 1 used for connection. The fixing member 3 is used to clamp and press the female connector 2 plugged into the male connector 1.

[0028] Please refer to Figure 3 and Figure 6 , the male connector 1 comprises a sealed mounting shell 11 surrounded by a plurality of wall plates, an electrode mounting member 12 arranged inside the mounting shell 11 and an electrode sheet 13 arranged on the electrode mounting member 12. A plurality of first through holes 111 are formed in the top wall plate of the mounting shell 11, and the first through holes 111 are provided with arc-shaped edges for fitting the cable passing through the first through holes 111. The mounting shell 11 is provided with a square-shaped mounting groove 112; the electrode mounting member 12 is mounted in the mounting groove 112, and one end of the electrode mounting member 12 protrudes out of the mounting groove 112 to form a butt joint end, and the other end is accommodated in the mounting groove 112.

[0029] The butt joint end is provided with a square-shaped recess 121, and two partition plates 122 are arranged in the recess 121, which divide the recess 121 into three identical chambers 123. The electrode sheet 13 has three parts and is correspondingly fixed at the centers of the three chambers 123 of the recess 121. Further, one end of each electrode sheet 13 is accommodated in each chamber 123 of the recess 121, and the other end extends out of the electrode mounting member 12 and into the mounting groove 112, below the first through holes 111. And the end of the electrode sheet 13 below the first through holes 111 is provided with a through connecting hole 131 for mounting a bolt to fix the cable.

[0030] Further, the rear wall plate of the mounting shell 11 is made of transparent glass, which facilitates observation of the power supply condition at the cable connection.

[0031] Further, the first through hole 111 of the mounting shell 11 is provided with a slidable clamping block 113. Specifically, one end of the clamping block 113 is connected to the side wall of the first through hole 111 through a compression spring, and the other end forms an arc-shaped recess corresponding to the arc-shaped edge of the first through hole 111, which is used to fit the passing cable and jointly clamp and fix the cable with the arc-shaped edge of the first through hole 111.

[0032] Further, the electrode mounting member 12 is made of insulating material, and flanges 124 are formed on both sides of the butt joint end, and a plurality of screw holes are formed in the flanges 124, which facilitates the fixation of the electrode mounting member 12 on the front wall plate of the mounting shell 11.

[0033] Please refer to Figure 2 , Figure 4 and Figure 6The female connector 2 comprises a sealed plug-in shell 21 surrounded by several wall plates, and a plug-in piece 22 arranged in the plug-in shell 21. A plurality of second through holes 211 are formed in the top wall plate of the plug-in shell 21, and the second through holes 211 are provided with arc-shaped edges. A slidable clamping block 113 is arranged in each second through hole 211. Specifically, one end of the clamping block 113 is connected to the side wall of the second through hole 211 through a compression spring, and the other end of the clamping block 113 forms an arc-shaped groove corresponding to the arc-shaped edge of the second through hole 211, which is used to fit the cable and clamps the cable together with the arc-shaped edge of the second through hole 211. The plug-in shell 21 is provided with a square fixing groove 212, and the plug-in piece 22 is arranged in the fixing groove 212, and one end of the plug-in piece 22 extends out of the fixing groove 212 to form a plug-in end, and the other end of the plug-in piece 22 is accommodated in the fixing groove 212.

[0034] The plug-in end is provided with three plug-in blocks 221, each of which is provided with an electrode groove 23, and an insertion groove 222 is formed between two adjacent plug-in blocks 221. When the male connector 1 and the female connector 2 are connected, two partition plates 122 are inserted into two insertion grooves 222, three plug-in blocks 221 are inserted into three cavities 123, and three electrode plates 13 are inserted into three electrode grooves 23.

[0035] Further, a plurality of conductive elastic conductive plates 231 are arranged in each electrode groove 23, which are used to abut against the electrode plate 13 clamped in the electrode groove 23. One end of the plug-in piece 22 accommodated in the plug-in shell 21 is provided with three conductive plates 24, and the conductive elastic conductive plate 231 of each electrode groove 23 is connected to a corresponding conductive plate 24 in parallel. The three conductive plates 24 extend into the plug-in shell 21 and are located below the second through hole 211, and one end of the conductive plate 24 below the second through hole 211 is provided with a through fixing hole 232 for fixing the cable with a bolt.

[0036] Further, in order to detect whether the female connector 2 is completely inserted into the male connector 1 for power transmission, a micro switch 201 is further arranged on the front wall plate of the plug-in shell 21. The micro switch 201 is pressed and triggered when the female connector 2 is completely inserted into the male connector 1, a plug-in completion signal is generated for feedback, and the power supply is ensured to be normal.

[0037] The fixing piece 3 comprises two clamping hooks 31 and two clamping sleeves 32. The two clamping hooks 31 are arranged on the left and right sides of the male connector 1, and the two clamping sleeves 32 are arranged on the left and right sides of the female connector 2. Each clamping sleeve 32 is clamped in each clamping hook 31 to clamp and press the female connector 2 inserted in the male connector 1. Each clamping sleeve 32 comprises a pressing handle 321 and a clamping ring 322 connected to the pressing handle 321, and the clamping ring 322 is used to clamp in the corresponding clamping hook 31.

[0038] Further, in order to stabilize the plug-in connection of the male connector 1 and the female connector 2, the fixing member 3 further comprises a fixing support 33, which is arranged in an L shape and comprises a vertical segment and a horizontal segment, the vertical segment is installed on the left and right sides of the male connector 1 and the female connector 2, and the horizontal segment is fixed on the stable base surface below. Figure 5

[0039] In an embodiment, the female connector 2 can be suspended by a cable for convenient plugging. Specifically, the fixing member 3 further comprises a support column 34, which is used to support the stable plug-in connection of the female connector 2 on the male connector 1 when the female connector 2 is suspended. One end of the support column 34 is installed on the front wall plate of the plug-in housing 21 of the female connector 2 and is arranged around the outer periphery of the plug-in member 22, and the other end extends outward to form a free end; and the free end of the support column 34 is provided with an elastic member 341, which is used to abut against the front wall plate of the installation housing 11. When the equipment vibrates, the elastic member 341 changes by floating to offset the vibration between the male connector 1 and the female connector 2.

[0040] Further, in order to facilitate plugging when the female connector 2 is suspended, a handle 35 is further arranged on the left and right sides of the plug-in housing 21, which is made of metal and is fixed to the rear of the clamping sleeve 32 in an inclined and outward manner.

[0041] Further, the plug-in member 22 is made of insulating material and has a fixing rim 223 formed in the middle and arranged around the outer periphery, and a plurality of bolt holes are formed in the fixing rim 223 to facilitate the fixing of the plug-in member 22 on the front wall plate of the plug-in housing 21.

[0042] When the quick plug connector is in use, the cable passes through the first through hole 111 formed in the top wall plate of the installation housing 11 and the plug-in housing 21, and is fixed in the connecting hole 131 and the fixing hole 232, respectively. In this process, the cable abuts against the clamping block 113, so that the clamping block 113 is compressed against the compression spring, and the cable in the first through hole 111 and the second through hole 211 is clamped by the clamping block 113. After the cable is fixed, the rear wall plates of the installation housing 11 and the plug-in housing 21 are fixed, and the transparent rear wall plate facilitates the observation of the power-on state of the cable. In addition, a micro switch 201 and a support column 34 are installed on the front wall plate of the female connector 2, the micro switch 201 is triggered when the female connector 2 is completely inserted into the male connector 1, and the support column 34 is provided with an elastic member 341 at the end. A plurality of elastic conductive sheets 231 are arranged in the electrode groove 23 of the female connector 2 to facilitate the passage of large current. In the face of the vibration generated by the operation of the equipment, the electrode sheet 13 inserted into the electrode groove 23 is always clamped by the elastic conductive sheet 231, so that the vibration of the connector caused by the vibration of the equipment is avoided.

[0043] ​The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A high-voltage and high-current quick connector, comprising a male connector (1) and a female connector (2), characterized in that: the male connector (1) comprises a mounting shell (11) surrounded by several wall plates, an electrode mounting member (12) arranged in the mounting shell (11), and an electrode sheet (13) arranged in the electrode mounting member (12); a first through hole (111) is formed in the top wall plate of the mounting shell (11), and a slidable clamping block (113) is arranged in the first through hole (111) to clamp a cable; the female connector (2) comprises a plug-in shell (21) and a plug-in member (22), one end of the plug-in member (22) is arranged in the plug-in shell (21), and the other end is located outside the plug-in shell (21) to form a plug-in end, the plug-in end is provided with an electrode slot (23), and a flexible conductive sheet (231) is arranged in the electrode slot (23); a second through hole (211) is formed in the top wall plate of the plug-in shell (21), and a slidable clamping block (113) is arranged in the second through hole (211) to clamp a cable; when the male connector (1) is plugged into the female connector (2), the flexible conductive sheet (231) abuts against the electrode sheet (13). The electrode mounting member (12) is provided with a groove (121), the groove (121) is divided into three chambers (123), and an electrode sheet (13) is arranged in each chamber (123).

2. The high voltage, high current, quick connector of claim 1, wherein: One end of the electrode sheet (13) is accommodated in the chamber (123), and the other end extends below the first through hole (111), the electrode sheet (13) is provided with a through connecting hole (131) at the end below the first through hole (111) for fixing the cable by a bolt.

3. The high voltage, high current, quick connector of claim 2, wherein: The plug-in end is provided with three plug-in blocks (221), each plug-in block (221) is provided with an electrode slot (23), and each plug-in block (221) is correspondingly plugged into each chamber (123) of the groove (121).

4. The high voltage, high current, quick connector of claim 2, wherein: A plurality of flexible conductive sheets (231) are arranged in each electrode slot (23); one end of the plug-in member (22) arranged in the plug-in shell (21) is provided with three conductive plates (24), the plurality of flexible conductive sheets (231) in each electrode slot (23) are connected in parallel to the corresponding conductive plate (24); the three conductive plates (24) extend into the plug-in shell (21) and are located below the second through hole (211), and each conductive plate (24) is provided with a fixing hole (232) for fixing the cable by a bolt.

5. The high voltage, high current, quick connector of claim 4, wherein: The groove (121) is provided with two partition plates (122), the two partition plates (122) divide the groove (121) into three identical chambers (123); plug-in slots (222) are formed between adjacent two plug-in blocks (221), when the male connector (1) and the female connector (2) are connected, the two partition plates (122) are correspondingly inserted into the two plug-in slots (222), the three plug-in blocks (221) are correspondingly inserted into the three chambers (123), and the three electrode sheets (13) are correspondingly inserted into the three electrode slots (23).

6. The high voltage, high current, quick connector of claim 4, wherein: ​ 7. The high voltage, high current, quick connector of claim 1, wherein: A micro switch (201) is also installed on the front wall plate of the plug-in housing (21), which is pressed to trigger when the female connector (2) is fully inserted into the male connector (1), generating a plug-in completion signal.

8. The high voltage, high current, quick connector of claim 1, wherein: The high-voltage and high-current fast plug-in connector further comprises a fixing member (3), which comprises two clamping hooks (31) and two clamping sleeves (32). The two clamping hooks (31) are respectively installed on the left and right sides of the male connector (1), and the two clamping sleeves (32) are respectively installed on the left and right sides of the female connector (2). Each clamping sleeve (32) comprises a pressing handle and a clamping ring (322) connected with the pressing handle (321), and the clamping ring (322) is used to be clamped in the corresponding clamping hook (31).

9. The high voltage, high current, quick connector of claim 8, wherein: The fixing member (3) further comprises four fixing supports (33), two of which are respectively installed on the left and right sides of the male connector (1), and the other two are respectively installed on the left and right sides of the female connector (2). Each fixing support (33) comprises a vertical section and a horizontal section, wherein the vertical section is installed on the side wall plates of the male connector (1) and the female connector (2), and the horizontal section is used to be fixed on the base surface below the horizontal section.

10. The high voltage, high current, quick connector of claim 8, wherein: The fixing member (3) further comprises a plurality of support columns (34), one end of which is arranged on the outer periphery of the plug-in member (22), and the other end extends to form a free end. The free end of each support column (34) is provided with an elastic member (341), which is used to offset the vibration between the male connector (1) and the female connector (2) after the male connector (1) is plugged into the female connector (2).