Dual-purpose waterproof high-power oblique plug and socket

By adopting a oblique plug design and adding a protective cover, the existing high-power plug sockets have large size and large space occupied, and a small, high-power and beautiful socket design is achieved, which improves the use current and safety.

CN113363766BActive Publication Date: 2025-06-06NINGBO BOHAO WIRE & CABLE CO LTD
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Patent Information

Application Number
CN202110782842.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-07-12
Publication Date
2025-06-06
Estimated Expiration
2041-07-12

AI Technical Summary

Technical Problem

The existing high-power plug sockets are large in size and occupy a lot of space, which cannot meet the market's demand for small and high-power sockets.

Method used

The plug and socket are designed in a diagonal way, making full use of the longitudinal space, increasing the contact area between the plug and the socket, thereby increasing the power. At the same time, a protective cover can be added to provide waterproof and dustproof function, and can be directly connected and fixed for use as a wiring terminal.

Benefits of technology

Without increasing the volume, the current of the lift socket is above 32A, which is more aesthetic and cost-effective, and safe and reliable.

✦ Generated by Eureka AI based on patent content.

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    Figure CN113363766B_ABST
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Abstract

The invention discloses a dual-purpose waterproof high-power oblique plug-in type plug and socket, belonging to the technical field of plugs and sockets. A fixing frame is buckled outside the base plate, which is installed on the wall through the fixing frame. The base plate is provided with an oblique plug plate inclined downward, a plug is inserted on the oblique plug plate, the end of the plug is bent, and the bending angle is consistent with the inclination angle of the oblique plug plate. The outer end of the oblique plug plate is provided with three parallel plug holes, and a plug sleeve is embedded in the plug hole. A tightening groove is provided at the front end of the plug sleeve. The side wall of the solid part of the rear end of the plug sleeve is provided with a socket wiring hole, and a threading hole for the wire to pass through is provided on the oblique plug plate at the socket wiring hole. A socket wiring fixing screw that is screwed into the socket wiring hole is provided at the rear end of the plug sleeve, and a round hole through which the socket wiring fixing screw passes is provided at the rear end of the oblique plug plate. By adopting the oblique insertion method, the longitudinal space is fully utilized, and the contact area between the plug and the plug sleeve is increased without increasing the volume, thereby increasing the power used.
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Description

Technical Field

[0001] The invention relates to a dual-purpose waterproof high-power oblique plug and socket, belonging to the technical field of plugs and sockets. Background Art

[0002] Existing plugs and sockets are all direct-insertion type. Due to structural limitations, especially with the continuous increase in the power of household appliances, the existing 16A and 25A plugs and sockets can no longer meet the needs of the market, especially instant electric water heaters, which generally require plugs and sockets above 32A, but the 25A plugs and sockets that can only be used barely are already very bulky, large and unsightly, and the cost is also very high, and the current cannot be increased. Therefore, the market is in urgent need of a small, low-cost, exquisite and beautiful high-power plug and socket. Summary of the invention

[0003] In order to solve the deficiencies of the above-mentioned prior art, the present invention provides a dual-purpose waterproof high-power oblique plug and socket, which adopts an oblique insertion method, fully utilizes the longitudinal space, increases the contact area between the plug and the socket without increasing the volume, thereby increasing the power used, and can be equipped with a protective cover to play a role in waterproofing and dustproofing. For electrical appliances that do not need to be frequently plugged in and out, the plug can be directly connected and tightened to serve as a wiring terminal without using a plug.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a dual-purpose waterproof high-power oblique plug-in plug and socket, including a base plate, an oblique plug plate, a fixing frame, a socket wiring fixing screw, a plug sleeve and a plug. The base plate is buckled with a fixing frame on the outside and is installed on the wall through the fixing frame. The base plate is provided with a downwardly inclined oblique plug plate, and a plug is inserted on the oblique plug plate. The end of the plug is bent, and the bending angle is consistent with the inclination angle of the oblique plug plate. The outer end of the oblique plug plate is provided with three side-by-side plug holes, and the plug holes are embedded with plug sleeves. The front end of the plug sleeve is provided with a tightening groove, and the side walls of the solid part of the rear end of the plug sleeve are provided with socket wiring holes, and the oblique plug plate at the socket wiring hole is provided with a threading hole for the wire to pass through. The rear end of the plug sleeve is provided with a socket wiring fixing screw that is threaded into the socket wiring hole, and the rear end of the oblique plug plate is provided with a round hole through which the socket wiring fixing screw passes; the plug is composed of a plug lower plate, a plug upper cover, an upper cover fixing screw, and a wiring harness sleeve The plug lower plate is composed of a bent plate body, a top of which is bent toward the oblique plug plate, and the bending angle is consistent with the inclination angle of the oblique plug plate. The front end of the plug lower plate is buckled with a shell, and three parallel plug rods are inserted into the top plate body, which are inserted into the plug sleeve through the plug rods, and a limiting end cap located in the plug lower plate is fixedly connected at the root of the plug rod, a plug wiring hole is opened at the end of the limiting end cap, and plug wiring fixing screws that are threaded into the plug wiring hole are provided on the side walls of the limiting end cap. A wiring harness sleeve is inserted into the rear end of the plug lower plate, and the wires are inserted into the plug wiring hole after passing through the wiring harness sleeve. A plug upper cover is buckled at the front end of the plug lower plate to seal it, a round hole is opened on the plug upper cover, and an upper cover fixing screw that is threaded into the lower plate of the plug is provided in the round hole. The upper cover of the plug is fixedly connected to the lower plate of the plug by threading and tightening the upper cover fixing screw, and a limiting block is provided on the inner wall of the upper cover of the plug to support the limiting end cap after buckling.

[0005] Furthermore, the fixing frame is buckled with a sealing protective cover on the outside, and a waterproof rubber pad is provided on the back, and the inner wall of the protective cover fits with the outer wall of the inserted plug.

[0006] Furthermore, the socket consisting of the base plate, the inclined plug plate, the fixing frame, the socket wiring fixing screws and the socket can be used as a wiring terminal. When used as a wiring terminal, the side walls of the inclined plug plate exposed outside the base plate are provided with wiring terminal threaded holes connected to the inner walls of the socket. The wire is inserted into the socket and screwed into the wiring terminal threaded hole through the screw thread. The wire is fixed after tightening.

[0007] Furthermore, the oblique insert plate slightly extends out from the end surface of the base plate, and most of it is located behind the base plate.

[0008] Furthermore, the end of the socket is located inside the end of the socket and there is a distance between them. A sealing sleeve is provided on the plug rod at the end of the lower plate of the plug. The sealing sleeve has the same diameter as the socket and its height is the same as the distance between the socket and the socket.

[0009] The beneficial effects of the present invention are: solving the problem of large volume and space occupied by existing high-power plugs and sockets, providing a dual-purpose waterproof high-power oblique plug-in plug and socket, and the present design scheme completely changes the plug-in method of the plug and socket, adopts the oblique plug-in method, makes full use of the longitudinal space, and increases the contact area between the plug and the socket without increasing the volume, thereby increasing the power used. With the volume of an ordinary plug and socket, the present design can increase the use current to more than 32A, and a protective cover can be added, which is not only more beautiful, but also waterproof and dustproof. The protective cover can also be printed with a prominent trademark or logo to make the product more beautiful. For electrical appliances that do not need to be frequently plugged in and out, such as water heaters, etc., it is also possible to directly connect the wires and tighten them without using a plug, and use them as wiring terminals, making the volume smaller, more convenient to operate, lower cost, more solid, safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2 This is a schematic diagram of the structure of the present invention with a protective cover added.

[0013] Figure 3 This is a structural cross-sectional view of the present invention when it is used after being equipped with a protective cover.

[0014] Figure 4 It is a partial structural schematic diagram of the present invention.

[0015] Figure 5 It is a partial structural schematic diagram of the present invention.

[0016] Figure 6 It is a partial structural cross-sectional view of the present invention.

[0017] Figure 7 It is a schematic diagram of the plug structure of the present invention.

[0018] Figure 8 It is a partial structural schematic diagram of the plug of the present invention.

[0019] Fig. 9 It is a partial structural schematic diagram of the plug of the present invention.

[0020] Fig.10 It is a cross-sectional view of the plug structure of the present invention.

[0021] Fig.11 This is a structural cross-sectional view of the present invention when used as a wiring terminal.

[0022] Numbers in the figure:

[0023] 1. Base plate, 2. Oblique plug plate, 3. Fixing frame, 4. Plug lower plate, 5. Plug upper cover, 6. Upper cover fixing screws, 7. Wire harness sleeve, 8. Socket wiring fixing screws, 9. Protective cover, 10. Threading hole, 11. Plug sleeve, 12. Expansion groove, 13. Socket wiring hole, 14. Plug hole, 15. Plug rod, 16. Sealing sleeve, 17. Limiting end cap, 18. Plug wiring hole, 19. Plug wiring fixing screws, 20. Plug rod limiting block, 21. Threaded hole for terminal block. DETAILED DESCRIPTION

[0024] like Figure 1-11 As shown, a dual-purpose waterproof high-power oblique plug-in plug and socket comprises a base plate 1, an oblique plug plate 2, a fixing frame 3, a socket wiring fixing screw 8, a plug sleeve 11 and a plug. The base plate 1 is buckled with a fixing frame 3 on the outside and is installed on the wall through the fixing frame 3. The base plate 1 is provided with an oblique plug plate 2 inclined downward, a plug is inserted into the oblique plug plate 2, and the end of the plug is bent, and the bending angle is consistent with the inclination angle of the oblique plug plate 2. The outer end of the oblique plug plate 2 is provided with three parallel plug holes 14, and the plug sleeve 11 is embedded in the plug hole 14. The front end of the plug sleeve 11 is provided with a tightening groove 12, the side wall of the solid part of the rear end of the plug sleeve 11 is provided with a socket wiring hole 13, the oblique plug plate 2 at the socket wiring hole 13 is provided with a threading hole 10 for the wire to pass through, the rear end of the plug sleeve 11 is provided with a socket wiring fixing screw 8 that is screwed into the socket wiring hole 13, and the rear end of the oblique plug plate 2 is provided with a round hole through which the socket wiring fixing screw 8 passes; the plug is composed of a plug lower plate 4, a plug cover 5, an upper cover fixing screw 6, a wiring harness sleeve 7, a plug rod 15, and a limit end cap 17 , plug wiring fixing screws 19 and plug rod limit blocks 20, the plug lower plate 4 is a bent plate body, the top of which is bent toward the oblique plug plate 2, the bending angle is consistent with the inclination angle of the oblique plug plate 2, the front end of the plug lower plate 4 is buckled, and three parallel plug rods 15 are inserted into the top plate body, and the plug rods 15 are inserted into the plug sleeve 11, and a limit end cap 17 located in the plug lower plate 4 is fixedly connected at the root of the plug rod 15, and a plug wiring hole 18 is opened at the end of the limit end cap 17, and the side walls of the limit end cap 17 are provided with threads for screwing into the plug connection The plug wiring fixing screw 19 of the wire hole 18, the rear end of the plug lower plate 4 is inserted into the wiring harness sleeve 7, the wire passes through the wiring harness sleeve 7 and is inserted into the plug wiring hole 18, the front end of the plug lower plate 4 is buckled with a plug cover 5 to seal it, the plug cover 5 is provided with a round hole, the round hole is provided with an upper cover fixing screw 6 that is threaded into the plug lower plate 4, the plug cover 5 is fixedly connected to the plug lower plate 4 by threading the upper cover fixing screw 6, and the inner wall of the plug cover 5 is provided with a limit block 20 that supports the limit end cap 17 after buckling.

[0025] Furthermore, a protective cover 9 is snapped onto the outside of the fixing frame 3 to seal it, and a waterproof rubber pad is provided on the back side, and the inner wall of the protective cover 9 fits with the outer wall of the inserted plug.

[0026] Furthermore, the socket consisting of the base plate 1, the oblique plug plate 2, the fixing frame 3, the socket wiring fixing screws 8, and the socket sleeve 11 can be used as a wiring terminal. When used as a wiring terminal, a wiring terminal threaded hole 21 connected to the inner wall of the socket sleeve 11 is opened on the side wall of the oblique plug plate 2 exposed outside the base plate 1. The wire is inserted into the socket sleeve 11 and screwed into the wiring terminal threaded hole 21 through the screw thread. The wire is fixed after tightening.

[0027] Furthermore, the oblique insert plate 2 slightly extends out from the end surface of the base plate 1 , and most of it is located behind the base plate 1 .

[0028] Furthermore, the end of the socket 11 is located inside the end of the socket 14 and there is a distance therebetween. A sealing sleeve 16 mounted on the plug rod 15 is provided at the end of the lower plug plate 4 of the plug. The sealing sleeve 16 has the same diameter as the socket 14 and its height is the same as the distance between the socket 11 and the socket 14.

Claims

1. A dual-purpose waterproof high-power oblique plug and socket, Features: The invention comprises a base plate (1), an inclined plug plate (2), a fixing frame (3), a socket wiring fixing screw (8), a plug sleeve (11) and a plug. The base plate (1) is buckled with a fixing frame (3) on the outside and is mounted on a wall through the fixing frame (3). The base plate (1) is provided with an inclined plug plate (2) inclined downwardly, a plug is inserted into the inclined plug plate (2), an end of the plug is bent, and the bending angle is consistent with the inclination angle of the inclined plug plate (2). The outer end of the inclined plug plate (2) is provided with three parallel plug holes (14), the plug sleeve (11) is embedded in the plug hole (14), and the front end of the plug sleeve (11) is provided with a tightening groove (12). , the side walls of the solid part of the rear end of the plug sleeve (11) are provided with socket wiring holes (13), and the oblique plug plate (2) at the socket wiring hole (13) is provided with a threading hole (10) for the wire to pass through, and the rear end of the plug sleeve (11) is provided with a socket wiring fixing screw (8) threaded into the socket wiring hole (13), and the rear end of the oblique plug plate (2) is provided with a round hole through which the socket wiring fixing screw (8) passes; the plug is composed of a plug lower plate (4), a plug upper cover (5), an upper cover fixing screw (6), a wiring harness sleeve (7), a plug rod (15), a limit end cap (17), a plug wiring fixing screw The plug lower plate (4) is a bent plate body, the top of which is bent toward the oblique plug plate (2), and the bending angle is consistent with the inclination angle of the oblique plug plate (2). The front end of the plug lower plate (4) is buckled, and three parallel plug rods (15) are inserted into the top plate body. The plug rods (15) are inserted into the plug sleeve (11), and a limiting end cap (17) located in the plug lower plate (4) is fixedly connected at the root of the plug rod (15). The end of the limiting end cap (17) is provided with a plug wiring hole (18), and the side wall of the limiting end cap (17) is provided with a threaded plug wiring hole (18). The plug wiring fixing screw (19) is inserted into the rear end of the plug lower plate (4) with a wiring harness sleeve (7), and the wire passes through the wiring harness sleeve (7) and is inserted into the plug wiring hole (18). The front end of the plug lower plate (4) is buckled with a plug upper cover (5) to seal it. The plug upper cover (5) is provided with a round hole, and the round hole is provided with a cover fixing screw (6) that is screwed into the plug lower plate (4). The cover fixing screw (6) is screwed to fix the plug upper cover (5) with the plug lower plate (4). The inner wall of the plug upper cover (5) is provided with a limit block (20) that supports the limit end cap (17) after buckling. The fixing frame (3) is buckled with a protective cover (9) for sealing the fixing frame (3), and a waterproof rubber pad is provided on the back. The inner wall of the protective cover (9) fits the outer wall of the inserted plug. The socket consisting of a base plate (1), an oblique plug plate (2), a fixing frame (3), a socket wiring fixing screw (8), and a plug sleeve (11) can be used as a wiring terminal. When used as a wiring terminal, a wiring terminal threaded hole (21) communicating with the inner wall of the plug sleeve (11) is provided on the side wall of the oblique plug plate (2) exposed outside the base plate (1). The wire is inserted into the plug sleeve (11) and screwed into the wiring terminal threaded hole (21) through the screw thread. After tightening, the wire is fixed.

Citation Information

Patent Citations

  • Dual-purpose waterproof high-power obliquely-inserted plug and socket

    CN214849301U