Low-power power supply screw and quick lock compatible structure

By designing a socket structure compatible with both screw locking and quick-locking, the problem of low assembly efficiency or instability in existing technologies has been solved, achieving efficient and stable power connection.

CN115954719BActive Publication Date: 2025-12-23ANHUI SANZHU INTELLIGENT TECH CO LTD +1
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Patent Information

Application Number
CN202211027745.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-25
Publication Date
2025-12-23
Estimated Expiration
2042-08-25

AI Technical Summary

Technical Problem

The existing power connector plug and socket fixing method for low-power servo motors has problems such as low assembly efficiency or insecure fixing, which cannot meet the needs of different customers.

Method used

Design a screw and quick-lock compatible structure for low-power power supplies. The socket is compatible with both screw-locking and quick-locking plugs. The quick-locking plug has a triple protection structure. The screw plug is locked to the socket by a nut and a connecting hole.

Benefits of technology

This design enables the socket to be compatible with both screw locking and quick-lock engagement, improving assembly efficiency and stability, and preventing the quick-lock plug from coming loose during vibration.

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Patent Text Reader

Abstract

The application provides a small-power power supply screw and fast lock compatible structure in the field of electrical connection, which comprises a socket, a fast lock type plug and a screw type plug, the fast lock type plug and the screw type plug are connected with the socket one by one respectively; the socket comprises a socket shell, a cantilever, a protrusion, fixing holes and connecting holes, the fixing holes are located at the four sides of the socket shell respectively, the cantilever and the connecting holes are connected to the outer surface of the socket shell, the connecting holes are located at the side of the cantilever, and the protrusion is arranged on the cantilever; the socket is connected to the motor through the cooperation of the socket screw and the fixing holes, the fast lock type plug is locked on the socket through the cantilever, and the screw type plug is locked on the socket through the cooperation of the nut and the connecting holes. The socket is provided with the cantilever and the nut, so that the socket can be compatible with screw locking and fast lock clamping simultaneously; the fast lock type plug is provided with three protrusions, so that the fast lock plug locking rod cannot be loosened due to vibration during the movement of the motor.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of electrical connection, in particular, to a small power supply screw and fast lock compatible structure. BACKGROUND

[0002] The existing market small power servo motor uses the fixing mode of power connector plug and socket, which mainly includes two kinds, one is locked by screws, two or four M2 screws are used to lock and fix the plug and socket, the advantage is that the fixing is relatively firm and not easy to loosen, the disadvantage is that tools are needed, the assembly efficiency is low, and it is not convenient to operate when the space of some equipment is small, the other is fast lock type locking, the plug is buckled on the cantilever of the socket by using a lock rod, which is simple and convenient to operate, does not need tools, and can be operated by hand, the assembly efficiency is high, and it is not affected by space, the disadvantage is that it is not as firm as the screw locking, due to the advantages and disadvantages, it is difficult for servo motor manufacturers to make a decision, and it is difficult to meet the needs of all customers.

[0003] Through the existing technical patent document retrieval, it is found that the utility model patent with the publication number CN216850635U discloses a stable panel socket and belongs to the technical field of panel socket, which effectively improves the use convenience and fixing stability of the panel socket, the panel socket can stably fix the plug during use through the cooperation of the conductive sheet and the spring, avoids the loosening of the plug, avoids unstable power connection, and affects the use of the electrical appliance. A positioning plate is arranged, a threaded hole is formed in one side of the bottom of the positioning plate, a screw is screwed into the threaded hole, a socket body is connected to one side of the positioning plate, a fixed plate is connected to the inside of the socket body, a top block is fixedly connected to one side of the fixed plate, an insertion block is fixedly installed on the other side of the fixed plate, a sliding groove is formed in one side of the inside of the insertion block, and a sliding rod is slidably connected to the inside of the sliding groove. Therefore, the document and the method introduced in the present application belong to different inventive concepts. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a small power supply screw and fast lock compatible structure.

[0005] According to the small power supply screw and fast lock compatible structure provided by the present application, the socket, the fast lock type plug and the screw type plug are connected one by one.

[0006] The socket includes a socket shell, a cantilever, a protrusion, a fixing hole and a connecting hole, the fixing holes are respectively located at the four corners of the socket shell, the cantilever and the connecting hole are connected to the outer surface of the socket shell, the connecting hole is located at the side edge of the cantilever, and the protrusion is arranged on the cantilever;

[0007] The socket is connected to the motor through the cooperation of the socket screw and the fixing hole, the quick-lock type plug is locked on the socket through the cantilever, and the screw type plug is locked on the socket through the cooperation of the nut and the connecting hole.

[0008] In some embodiments, the socket further comprises a head seat sealing ring, a socket power terminal, a socket motor sealing ring, a socket brake terminal and a socket grounding terminal, the head seat sealing ring is connected to the outer surface of the socket shell, the socket motor sealing ring is connected to the inner surface of the socket shell, and the socket power terminal, the socket brake terminal and the socket grounding terminal are distributed on the inner surface of the socket shell.

[0009] The socket grounding terminal is located at the side of the socket power terminal, and the socket brake terminal is located at the bottom of the socket power terminal.

[0010] In some embodiments, the elastic sheet of the socket grounding terminal is in contact with the surface of the motor.

[0011] In some embodiments, the socket power terminal is in a hook plate type structure, and the socket power terminal is welded to the internal circuit of the motor.

[0012] In some embodiments, the quick-lock type plug comprises a quick-lock plug shell and a quick-lock plug lock rod, the quick-lock plug lock rod is connected to the quick-lock plug shell, and the outer wall of the quick-lock plug lock rod is clamped on the inner wall of the cantilever.

[0013] The side of the quick-lock plug shell is provided with a cylinder and a groove, the groove is connected to the cylinder, the side of the quick-lock plug lock rod is respectively provided with a hole and a first protrusion, the cylinder is connected to the hole, so that the quick-lock plug lock rod rotates along the center of the cylinder, and the quick-lock plug lock rod is positioned through the cooperation of the groove and the first protrusion.

[0014] In some embodiments, the top of the quick-lock plug shell is provided with a rib, the top of the quick-lock plug lock rod is provided with a second protrusion, and the quick-lock plug lock rod is locked on the quick-lock plug shell through the cooperation of the second protrusion and the rib.

[0015] In some embodiments, the side of the quick-lock plug lock rod is provided with a third protrusion.

[0016] When the quick-lock type plug is inserted into the socket, the third protrusion is connected in dislocation with the protrusion.

[0017] In some embodiments, the plug screw is located on both sides of the screw plug shell, and the plug screw is connected to the nut one by one.

[0018] The screw type plug is locked on the socket through the cooperation of the plug screw and the nut.

[0019] In some embodiments, the quick-lock type plug and the screw type plug further comprise a plug rubber core, a plug brake female terminal, a plug power female terminal, a tail clamp nut, a wire outlet clamping jaw and a wire outlet sealing ring.

[0020] The plug rubber core, the plug brake mother terminal and the plug power supply mother terminal are sequentially connected to the inner surface of the quick lock plug shell and the screw plug shell, the outlet clamping jaw is sleeved on the outer wall of the outlet sealing ring, and the outlet clamping jaw is connected to the bottom of the quick lock plug shell and the screw plug shell through the tail clamp nut.

[0021] In some embodiments, the tail clamp nut, the outlet clamping jaw and the outlet sealing ring are hollow.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] The socket is provided with a cantilever and a nut, so that the socket can be compatible with screw locking and quick lock clamping at the same time; the quick lock plug is provided with three convex points, so that the quick lock plug locking rod will not be loosened due to vibration during the movement of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0024] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the accompanying drawings:

[0025] Figure 1 It is an exploded view of the socket of the present application;

[0026] Figure 2 It is a structural schematic view of the socket of the present application;

[0027] Figure 3 It is an exploded view of the quick lock plug of the present application;

[0028] Figure 4 It is a connection schematic view of the quick lock plug and the socket of the present application;

[0029] Figure 5 It is a local structural schematic view of the quick lock plug of the present application;

[0030] Figure 6 It is a structural schematic view of the quick lock plug of the present application;

[0031] Figure 7 It is an exploded view of the screw plug of the present application.

[0032] Reference numerals in the drawings:

[0033] Socket 100, cantilever 101, protrusion 102, fixing hole 103, connecting hole 104, quick lock type plug 200, cylinder 201, groove 202, hole 203, first protrusion 204, second protrusion 205, third protrusion 206, rib 207, screw type plug 300, head seat sealing ring 1, socket screw 2, socket shell 3, nut 4, socket power terminal 5, socket motor sealing ring 6, socket brake terminal 7, socket ground terminal 8, plug rubber core 9, plug brake female terminal 10, plug power female terminal 11, tail clamp nut 12, wire outlet jaw 13, wire outlet sealing ring 14, quick lock plug shell 15, quick lock plug lock rod 16, screw plug shell 17, plug screw 18. DETAILED DESCRIPTION

[0034] The application will be described in detail below with specific examples. The following examples will help those skilled in the art to further understand the application, but do not limit the application in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the application. These are within the scope of the application.

[0035] Example 1

[0036] The small power supply screw compatible with the quick lock provided by the application includes a socket 100, a quick lock type plug 200 and a screw type plug 300, and the quick lock type plug 200 and the screw type plug 300 are connected to the socket 100 one by one. Figures 1-7 As shown in the figure, the socket 100 includes a socket shell 3, a cantilever 101, a protrusion 102, a fixing hole 103 and a connecting hole 104, the fixing hole 103 is located at the four corners of the socket shell 3, the cantilever 101 and the connecting hole 104 are connected to the outer surface of the socket shell 3, the connecting hole 104 is located at the side of the cantilever 101, and the cantilever 101 is provided with the protrusion 102. The socket 100 is connected to the motor through the cooperation of the socket screw 2 and the fixing hole 103.

[0037] As shown in the figure, the quick lock type plug 200 is locked on the socket 100 through the cantilever 101, and the screw type plug 300 is locked on the socket 100 through the cooperation of the nut 4 and the connecting hole 104. Figures 1-2

[0038] As shown in the figure, the quick lock type plug 200 is locked on the socket 100 through the cantilever 101, and the screw type plug 300 is locked on the socket 100 through the cooperation of the nut 4 and the connecting hole 104. Figure 1

[0039] ​​The socket 100 further comprises a head seat sealing ring 1, a socket power terminal 5, a socket motor sealing ring 6, a socket brake terminal 7 and a socket grounding terminal 8. The head seat sealing ring 1 is connected to the outer surface of the socket shell 3, the socket motor sealing ring 6 is connected to the inner surface of the socket shell 3, and the socket power terminal 5, the socket brake terminal 7 and the socket grounding terminal 8 are distributed on the inner surface of the socket shell 3. The socket grounding terminal 8 is located at the side of the socket power terminal 5, and the socket brake terminal 7 is located at the bottom of the socket power terminal 5. Preferably, the spring sheet of the socket grounding terminal 8 is in contact with the surface of the motor. The socket power terminal 5 is in the form of a hook plate structure, and the socket power terminal 5 is welded to the internal circuit of the motor.

[0040] More specifically, the socket 100 is redesigned to be fixed to the motor by screws, and the socket 100 is locked by four socket screws 2 and the motor shell. The socket grounding terminal 8 of the socket 100 is in the form of a spring sheet, and the spring sheet of the socket grounding terminal 8 is in contact with the surface of the motor through the locking of the socket screw 2 to perform grounding. The U, V and W power male pins are designed in the form of a hook plate structure and are welded to the internal circuit board of the motor. The socket brake terminal 7 is led out after welding, and the three socket power terminals 5 and one socket grounding terminal 8 are distributed in one row, and the two socket brake terminals 7 are distributed in one row, forming a 4+2 arrangement.

[0041] Example 2

[0042] The embodiment 2 is based on the embodiment 1, and the threefold protection of the quick-lock type plug 200 is used to prevent the quick-lock plug locking rod 16 from loosening due to vibration. Specifically,

[0043] As shown in Figure 3 , the quick-lock type plug 200 comprises a quick-lock plug shell 15 and a quick-lock plug locking rod 16. The quick-lock plug locking rod 16 is connected to the quick-lock plug shell 15, and the outer wall of the quick-lock plug locking rod 16 is clamped to the inner wall of the cantilever 101.

[0044] As shown in Figures 4-6 , the quick-lock plug shell 15 is provided with a cylinder 201 and a groove 202 on the side, and the groove 202 is connected to the cylinder 201. The top of the quick-lock plug shell 15 is provided with a rib 207. The side of the quick-lock plug locking rod 16 is respectively provided with a hole 203, a first protrusion 204 and a third protrusion 206, and the top of the quick-lock plug locking rod 16 is provided with a second protrusion 205.

[0045] The cylindrical body 201 is connected in the hole 203, so that the quick-lock plug locking rod 16 rotates along the center of the cylindrical body 201, and the quick-lock plug locking rod 16 is positioned by the cooperation of the slot 202 and the first protrusion 204. The quick-lock plug locking rod 16 is locked on the quick-lock plug shell 15 by the cooperation of the second protrusion 205 and the rib 207, and after being locked, the second protrusion 205 and the rib 207 form a retaining force to prevent the quick-lock plug locking rod 16 from automatically returning. When the quick-lock plug 200 is inserted into the socket 100, the third protrusion 206 is misaligned with the protrusion 102, and after buckling, it can also prevent the quick-lock plug locking rod 16 from returning, and three protections are provided to prevent the quick-lock plug locking rod 16 from being loosened due to vibration during motor movement.

[0046] As shown in Figure 3 , the quick-lock plug 200 further comprises a plug rubber core 9, a plug brake female terminal 10, a plug power female terminal 11, a tail clamp nut 12, a wire outlet clamping jaw 13, and a wire outlet sealing ring 14. The plug rubber core 9, the plug brake female terminal 10, and the plug power female terminal 11 are connected to the inner surface of the quick-lock plug shell 15, the wire outlet clamping jaw 13 is sleeved on the outer wall of the wire outlet sealing ring 14, and the wire outlet clamping jaw 13 is connected to the bottom of the quick-lock plug shell 15 through the tail clamp nut 12. Among them, the tail clamp nut 12, the wire outlet clamping jaw 13 and the wire outlet sealing ring 14 are hollow, which is convenient for wire harness assembly.

[0047] More specifically, by cooperating the slot 202 and the first protrusion 204, the quick-lock plug locking rod 16 is positioned in the locked state and the open state. During on-site assembly, as long as the wire harness of the prepared quick-lock plug 200 is pressed downward in the direction corresponding to the socket 100, and after being in place, the quick-lock plug locking rod 16 is pulled to the direction parallel to the socket 100, the quick-lock plug 200 and the socket 100 can be locked, which is very fast and convenient.

[0048] Example 3

[0049] This embodiment 3 is based on embodiment 1, and the shell of the screw type plug 300 is fixed by a screw. Specifically:

[0050] As shown in Figure 7 , the screw type plug 300 comprises a screw plug shell 17 and a plug screw 18, the plug screw 18 is located on both sides of the screw plug shell 17, and the plug screw 18 is connected with the nut 4 one by one; the screw type plug 300 is locked on the socket 100 by cooperating the plug screw 18 and the nut 4. Two plug screws 18 are located on one diagonal line of the screw plug shell 17. The screw plug shell 17 is provided with protrusions on both sides, and the protrusions are clamped on the cantilever 101.

[0051] The screw type plug 300 further comprises a plug rubber core 9, a plug brake female terminal 10, a plug power female terminal 11, a tail clamp nut 12, a wire outlet jaw 13 and a wire outlet sealing ring 14. The plug rubber core 9, the plug brake female terminal 10 and the plug power female terminal 11 are connected to the inner surface of the screw plug shell 17, the wire outlet jaw 13 is sleeved on the outer wall of the wire outlet sealing ring 14, and the wire outlet jaw 13 is connected to the bottom of the screw plug shell 17 through the tail clamp nut 12. Among them, the tail clamp nut 12, the wire outlet jaw 13 and the wire outlet sealing ring 14 are hollow, which is convenient for wiring harness assembly.

[0052] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0053] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict.

Claims

1. A low-power power supply screw compatible with a quick lock structure, characterized in that, The utility model provides a socket (100), fast lock type plug (200) and screw type plug (300), fast lock type plug (200) and screw type plug (300) are connected with socket (100) one to one respectively, The screw type plug (300) comprises a screw plug shell (17); The socket (100) comprises a socket shell (3), a cantilever (101), a protrusion (102), fixing holes (103) and a connecting hole (104), the fixing holes (103) are located at the periphery of the socket shell (3) respectively, the cantilever (101) and the connecting hole (104) are connected to the outer surface of the socket shell (3), the connecting hole (104) is located at the side of the cantilever (101), and the protrusion (102) is arranged on the cantilever (101); The socket (100) is connected to the motor through the cooperation of the socket screw (2) and the fixing hole (103), the fast lock type plug (200) is locked on the socket (100) through the cantilever (101), and the screw type plug (300) is locked on the socket (100) through the cooperation of the nut (4) and the connecting hole (104); The protrusions on the two sides of the screw plug shell (17) are clamped on the cantilever (101); The fast lock type plug (200) comprises a fast lock plug shell (15) and a fast lock plug locking rod (16), the fast lock plug locking rod (16) is connected to the fast lock plug shell (15), and the outer wall of the fast lock plug locking rod (16) is clamped on the inner wall of the cantilever (101); The side of the fast lock plug shell (15) is provided with a cylinder (201) and a groove (202), the groove (202) is connected with the cylinder (201), the side of the fast lock plug locking rod (16) is provided with a hole (203) and a first protrusion (204) respectively, the cylinder (201) is connected in the hole (203), so that the fast lock plug locking rod (16) rotates along the center of the cylinder (201), and the fast lock plug locking rod (16) is positioned through the cooperation of the groove (202) and the first protrusion (204); The top of the fast lock plug shell (15) is provided with a rib (207), the top of the fast lock plug locking rod (16) is provided with a second protrusion (205), and the fast lock plug locking rod (16) is locked on the fast lock plug shell (15) through the cooperation of the second protrusion (205) and the rib (207); The side of the fast lock plug locking rod (16) is provided with a third protrusion (206); When the fast lock type plug (200) is inserted into the socket (100), the third protrusion (206) is connected in dislocation with the protrusion (102); after buckling, back-off is prevented.

2. The low power power supply screw and quick lock compatible structure according to claim 1, wherein, The socket (100) further comprises a head seat sealing ring (1), a socket power terminal (5), a socket motor sealing ring (6), a socket brake terminal (7) and a socket grounding terminal (8), the head seat sealing ring (1) is connected to the outer surface of the socket shell (3), the socket motor sealing ring (6) is connected to the inner surface of the socket shell (3), the socket power terminal (5), the socket brake terminal (7) and the socket grounding terminal (8) are distributed on the inner surface of the socket shell (3). The socket grounding terminal (8) is located at the side of the socket power terminal (5), and the socket brake terminal (7) is located at the bottom of the socket power terminal (5).

3. The low power power supply screw and quick lock compatible structure according to claim 2, characterized in that, The spring sheet of the socket grounding terminal (8) is in contact with the surface of the motor.

4. The low power power supply screw and quick lock compatible structure according to claim 2, wherein, The socket power terminal (5) is in a hook plate structure, and the socket power terminal (5) is welded to the internal circuit of the motor.

5. The low power power supply screw and quick lock compatible structure according to claim 1, wherein, The screw type plug (300) further comprises a plug screw (18), the plug screw (18) is located on both sides of the screw plug shell (17), and the plug screw (18) is connected to the nut (4) one by one. The screw type plug (300) is locked on the socket (100) through the cooperation of the plug screw (18) and the nut (4).

6. The low power power supply screw and quick lock compatible structure according to claim 1 or 5, characterized in that, The quick lock type plug (200) and the screw type plug (300) further comprise a plug rubber core (9), a plug brake female terminal (10), a plug power female terminal (11), a tail clamp nut (12), a wire outlet clamp (13) and a wire outlet sealing ring (14). The plug rubber core (9), the plug brake female terminal (10) and the plug power female terminal (11) are sequentially connected to the inner surfaces of the quick lock plug shell (15) and the screw plug shell (17), the wire outlet clamp (13) is sleeved on the outer wall of the wire outlet sealing ring (14), and the wire outlet clamp (13) is connected to the bottom of the quick lock plug shell (15) and the screw plug shell (17) through the tail clamp nut (12).

7. The low power power supply screw and quick lock compatible structure according to claim 6, characterized in that, The tail clamp nut (12), the wire outlet clamp (13) and the wire outlet sealing ring (14) are in a hollow shape.

Citation Information

Patent Citations

  • Stable panel socket

    CN216850635U

  • Connector

    CN108695648A

  • Fast locking -type connector

    CN207834743U

  • Low-power power supply screw and quick-lock compatible structure

    CN218849980U

  • Electrical connector system

    DE102019111880A1