Anti-loosening travel changeover plug

By designing the fastening mechanism and wire retraction mechanism on the travel conversion plug, the combination of knobs, bidirectional threaded rods, limiting slots and compression springs, the problem of loosening the plug when loading more weight is solved, achieving more stable use and convenient wiring harness management.

CN222563112UActive Publication Date: 2025-03-04ZHEJIANG KALABOER ELECTRICL CO LTD
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Patent Information

Application Number
CN202420385354.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-03-04
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

When used in the existing market, when the conversion plug is loaded, it is easy to loosen the plug and the socket when it is loaded, which affects the use.

Method used

An anti-loosening travel conversion plug is designed, using a combination of a fastening mechanism and a wire retraction mechanism to drive the two-way threaded rod to rotate through a knob. Using the cooperation of the limiting groove and the moving plate, the clamp clamps the socket through a compression spring to ensure the stability of the plug.

Benefits of technology

It effectively avoids loose plugs when connecting multi-purpose electrical plugs, prevents poor contact, improves the stability of use and the practicality of the device, and also facilitates the storage and portability of the wiring harness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-loosening travel change-over plug in the field of travel change-over plugs, which comprises a change-over plug body, a fastening mechanism and a take-up mechanism, the fastening mechanism is fixedly connected to the rear parts of the top and the bottom of the change-over plug body, the take-up mechanism is fixedly connected to the front part of the change-over plug body, and the take-up mechanism is fixedly connected to the rear part of the bottom of the change-over plug body. When the anti-loosening travel changeover plug is used, a knob is rotated, a bidirectional threaded rod is driven to rotate, movable plates are close to each other and clamping plates are attached to the two sides of a socket through limitation of a limiting groove, the knob is continuously rotated, the movable plates continue to move, compression springs are extruded, and the anti-loosening travel changeover plug is locked through the counter-acting force of the compression springs. And the clamping plates extrude and clamp the socket so as to fasten the plug, so that the plug is prevented from loosening, poor contact and influence on use when the plugs of more electric appliances are connected, the use stability is improved, and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of travel conversion plugs, in particular to an anti-loosening travel conversion plug. Background Art

[0002] With the popularization of globalization, people have more and more opportunities to go abroad for work and travel around the world. Due to different electricity specifications in different countries and regions, different sockets are required. Therefore, conversion plugs are needed to convert different power plugs of different countries or power plugs of one country into power plugs of another country or multiple countries.

[0003] When using the conversion plugs currently on the market, usually several power plugs are plugged into one conversion plug, which makes the conversion plug heavy and easy to loosen from the wall socket, resulting in poor electrical contact and affecting use. For this reason, we propose an anti-loosening travel conversion plug. Utility Model Content

[0004] The utility model aims to provide a travel conversion plug that prevents loosening, so as to solve the problem in the background art that the conversion plugs currently on the market are prone to loosening between the plug and the socket when they are in use and are loaded with a lot of weight, thus affecting the use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a travel conversion plug that prevents loosening, comprising a conversion plug body, a fastening mechanism and a wire-taking mechanism, wherein the fastening mechanism is fixedly connected to the top and bottom rear parts of the conversion plug body, and the wire-taking mechanism is fixedly connected to the front part of the conversion plug body, and the fastening mechanism comprises a mounting box, a bidirectional threaded rod, a knob, a limit groove, a movable plate, a connecting rod, a baffle, a clamping plate and a compression spring, wherein the top and bottom rear parts of the conversion plug body are fixedly connected with the mounting box, the middle part of the left and right sides of the inner cavity of the mounting box is rotatably connected with the bidirectional threaded rod, the left and right ends of the bidirectional threaded rod are fixedly connected with the knob, the middle part of the rear side of the mounting box is provided with a limit groove, the outer side wall of the bidirectional threaded rod is symmetrically screwed with the movable plate through a thread, the rear parts of the opposite sides of the movable plates of the left and right parts are slidably connected with the connecting rod, the mutually away ends of the connecting rods of the left and right parts are fixedly connected with the baffle, the opposite ends of the connecting rods of the left and right parts are fixedly connected with the clamping plate, and the outer side of the connecting rod is sleeved with a compression spring.

[0006] As a further description of the above technical solution:

[0007] The movable plate is slidably connected to the interior of the limiting groove, and the top and bottom of the limiting groove are in contact with the top and bottom of the movable plate.

[0008] As a further description of the above technical solution:

[0009] Two ends of the compression spring are fixedly connected to the clamping plate and the opposite sides of the moving plate respectively.

[0010] As a further description of the above technical solution:

[0011] The outer side wall of the knob is provided with friction patterns, and the opposite sides of the clamping plates on the left and right parts are provided with anti-slip patterns.

[0012] As a further description of the above technical solution:

[0013] The wire-winding mechanism comprises a wire-winding frame, an L-shaped plate, an insertion rod, a pull disk, a reset spring, a cover frame, a connecting plate and a socket; the front side edge of the conversion plug body is fixedly connected with the wire-winding frame, the middle part of the left and right front parts of the conversion plug body is fixedly connected with the L-shaped plate, the middle parts of the mutually distant sides of the left and right L-shaped plates are slidably connected with the insertion rod, the mutually distant ends of the left and right insertion rods are fixedly connected with the pull disk, the outer side of the insertion rod is sleeved with a reset spring, the outer side of the wire-winding frame is clamped with a cover frame, the middle parts of the left and right sides of the cover frame are fixedly connected with connecting plates, and a socket is penetrated through the middle part of the right rear part of the connecting plate.

[0014] As a further description of the above technical solution:

[0015] The two ends of the return spring are fixedly connected to the pull plate and the opposite sides of the L-shaped plate respectively, and the front side area of ​​the wire take-up frame is equal to the inner notch area of ​​the cover frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. When using the anti-loosening travel conversion plug, turn the knob to drive the two-way threaded rod to rotate, and use the limitation of the limit groove to make the movable plates approach each other, so that the clamping plate fits with both sides of the socket, and continue to turn the knob to make the movable plate continue to move, squeeze the compression spring, and through the reaction force of the compression spring, the clamping plate squeezes and clamps the socket, so as to tighten the plug, avoid loosening of the plug when connecting many electrical appliance plugs, prevent poor contact, avoid affecting the use, improve the stability of use, and improve the practicality of the device.

[0018] 2. The anti-loosening travel conversion plug can move the plug rod out of the socket by pulling the pull plate, release the fixation of the connecting plate, move the cover frame out of the top of the wire receiving frame, and wrap the commonly used charging cable around the outside of the wire receiving frame, so as to facilitate the storage and arrangement of the wire harness, facilitate carrying, and improve the convenience of the device. The stored wire harness can also be used as a spare wire harness, which can be used as a spare when the wire harness is forgotten. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an anti-loosening travel adapter plug proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a fastening mechanism of an anti-loosening travel adapter plug proposed by the utility model;

[0021] Figure 3 This is a rear view structural schematic diagram of an anti-loosening travel adapter plug proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the structure of a wire-retracting mechanism of an anti-loosening travel conversion plug.

[0023] In the figure: 100, plug body; 200, fastening mechanism; 210, installation box; 220, two-way threaded rod; 230, knob; 240, limit groove; 250, movable plate; 260, connecting rod; 270, baffle plate; 280, clamping plate; 290, compression spring; 300, wire-reeling mechanism; 310, wire-reeling frame; 320, L-shaped plate; 330, plug rod; 340, pull plate; 350, reset spring; 360, cover frame; 370, connecting plate; 380, socket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a travel conversion plug that prevents loosening. The plug is tightened to prevent the plug from loosening when connecting many electrical plugs, prevent poor contact, avoid affecting the use, improve the stability of use, and improve the practicality of the device. Please refer to Figure 1-4 , including a conversion plug body 100, a fastening mechanism 200 and a wire collection mechanism 300;

[0028] Please refer again Figure 1 , the conversion plug body 100 is used to install the fastening mechanism 200 and the wire collection mechanism 300;

[0029] Please refer again Figure 1 The fastening mechanism 200 is fixedly connected to the top and the rear of the bottom of the conversion plug body 100 to prevent loosening, and the wire collection mechanism 300 is fixedly connected to the front of the conversion plug body 100 to store the charging wire harness;

[0030] Please refer again Figure 2 , the fastening mechanism 200 includes a mounting box 210, a bidirectional threaded rod 220, a knob 230, a limiting groove 240, a moving plate 250, a connecting rod 260, a baffle 270, a clamping plate 280 and a compression spring 290;

[0031] Please refer again Figure 2 The top and bottom rear parts of the conversion plug body 100 are fixedly connected with the installation box 210, and the middle part of the left and right sides of the inner cavity of the installation box 210 is rotatably connected with a two-way threaded rod 220, and the left and right ends of the two-way threaded rod 220 are fixedly connected with knobs 230. The middle part of the rear side of the installation box 210 is penetrated by a limited groove 240, and the outer wall of the two-way threaded rod 220 is symmetrically screwed with a moving plate 250 through threads;

[0032] Please refer again Figure 2 A connecting rod 260 is slidably connected to the rear of the opposite sides of the left and right movable plates 250, a baffle 270 is fixedly connected to the ends of the left and right connecting rods 260 that are away from each other, a clamping plate 280 is fixedly connected to the opposite ends of the left and right connecting rods 260, and a compression spring 290 is sleeved on the outer side of the connecting rod 260.

[0033] To sum up, when in use, the knob 230 is turned to drive the bidirectional threaded rod 220 to rotate, and the limit groove 240 is used to limit the movable plates 250 to approach each other, so that the clamping plate 280 fits with the two sides of the socket, and the knob 230 is continued to be turned to make the movable plate 250 continue to move, and the compression spring 290 is squeezed. Through the reaction force of the compression spring 290, the clamping plate 280 squeezes and clamps the socket, thereby tightening the plug to avoid loosening of the plug when connecting a large number of electrical plugs, prevent poor contact, avoid affecting the use, improve the stability of use, and improve the practicality of the device.

[0034] Please refer again Figure 2 The movable plate 250 is slidably connected to the interior of the limiting groove 240 , and the top and bottom of the limiting groove 240 fit with the top and bottom of the movable plate 250 .

[0035] Please refer again Figure 2 The two ends of the compression spring 290 are fixedly connected to the opposite sides of the clamping plate 280 and the moving plate 250 respectively.

[0036] Please refer again Figure 2 The outer wall of the knob 230 is provided with friction patterns, and the opposite sides of the left and right clamping plates 280 are provided with anti-slip patterns.

[0037] Please refer again Figure 4 The wire-receiving mechanism 300 includes a wire-receiving frame 310, an L-shaped plate 320, an insertion rod 330, a pull plate 340, a return spring 350, a cover frame 360, a connecting plate 370 and a socket 380. The front side of the conversion plug body 100 is fixedly connected with the wire-receiving frame 310, the middle part of the left and right front parts of the conversion plug body 100 is fixedly connected with the L-shaped plate 320, the middle part of the mutually distant sides of the left and right L-shaped plates 320 is slidably connected with the insertion rod 330, the mutually distant ends of the left and right insertion rods 330 are fixedly connected with the pull plate 340, the outer side of the insertion rod 330 is sleeved with a return spring 350, the outer side of the wire-receiving frame 310 is clamped with the cover frame 360, the middle part of the left and right sides of the cover frame 360 ​​is fixedly connected with the connecting plate 370, and the middle part of the right rear part of the connecting plate 370 is penetrated with a socket 380.

[0038] Please refer again Figure 4 The two ends of the return spring 350 are fixedly connected to the pull plate 340 and the opposite sides of the L-shaped plate 320 respectively, and the front side area of ​​the wire take-up frame 310 is equal to the inner notch area of ​​the cover frame 360.

[0039] To summarize, by pulling the pull plate 340, the insertion rod 330 is moved out of the socket 380, the fixation of the connecting plate 370 is released, the cover frame 360 ​​is moved out of the top of the wire-receiving frame 310, and the commonly used charging cable is wrapped around the outside of the wire-receiving frame 310, so as to facilitate the storage and organization of the wire harness, facilitate carrying, and improve the convenience of the device. The stored wire harness can also be used as a spare wire harness, which can be used as a spare when the wire harness is forgotten.

[0040] In specific use, when using it, the technical personnel in this field rotate the knob 230 to drive the bidirectional threaded rod 220 to rotate, and use the limitation of the limit groove 240 to make the movable plates 250 approach each other, so that the clamping plate 280 fits with the two sides of the socket, and continue to rotate the knob 230 to make the movable plate 250 continue to move, squeeze the compression spring 290, and through the reaction force of the compression spring 290, the clamping plate 280 squeezes and clamps the socket, thereby tightening the plug, saving wire winding during use. When the charging cable is unfastened, the pull plate 340 is pulled to move the plug rod 330 out of the socket 380, thereby releasing the fixation of the connecting plate 370, moving the cover frame 360 ​​out of the top of the take-up frame 310, and wrapping the commonly used charging cable around the outside of the take-up frame 310. Then, the pull plate 340 is pulled again to align the socket 380 with the plug rod 330, and the pull plate 340 is loosened. The plug rod 330 is embedded in the socket 380 through the reset of the reset spring 350, so that the cover frame 360 ​​covers the take-up frame 310, and the take-up is completed.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A travel adapter plug that prevents loosening, characterized in that: The invention comprises a conversion plug body (100), a fastening mechanism (200) and a wire-retracting mechanism (300), wherein the fastening mechanism (200) is fixedly connected to the top and the rear of the bottom of the conversion plug body (100), and the wire-retracting mechanism (300) is fixedly connected to the front of the conversion plug body (100); the fastening mechanism (200) comprises an installation box (210), a bidirectional threaded rod (220), a knob (230), a limit groove (240), a movable plate (250), a connecting rod (260), a baffle (270), a clamping plate (280) and a compression spring (290); the top and the rear of the bottom of the conversion plug body (100) are fixedly connected to the installation box (210), and the installation box (210) is fixedly connected to the front of the conversion plug body (100). ) is rotatably connected with a bidirectional threaded rod (220) penetrating through the middle of the left and right sides of the inner cavity, and the left and right ends of the bidirectional threaded rod (220) are fixedly connected with a knob (230), and a limiting groove (240) is penetrated through the middle of the rear side of the installation box (210), and the outer wall of the bidirectional threaded rod (220) is symmetrically screwed with a movable plate (250) through threads, and the rear parts of the opposite sides of the movable plates (250) on the left and right parts are penetrated by connecting rods (260) for sliding connection, and the ends of the connecting rods (260) on the left and right parts that are away from each other are fixedly connected with a baffle (270), and the opposite ends of the connecting rods (260) on the left and right parts are fixedly connected with a clamping plate (280), and the outer side of the connecting rod (260) is sleeved with a compression spring (290).

2. The anti-loosening travel adapter plug according to claim 1, characterized in that: The movable plate (250) is slidably connected to the interior of the limiting groove (240), and the top and bottom of the limiting groove (240) are in close contact with the top and bottom of the movable plate (250).

3. The anti-loosening travel adapter plug according to claim 1, characterized in that: Two ends of the compression spring (290) are respectively fixedly connected to the clamping plate (280) and the opposite sides of the moving plate (250).

4. The anti-loosening travel adapter plug according to claim 1, characterized in that: The outer wall of the knob (230) is provided with friction patterns, and the opposite sides of the left and right clamping plates (280) are provided with anti-slip patterns.

5. The anti-loosening travel adapter plug according to claim 1, characterized in that: The wire-receiving mechanism (300) comprises a wire-receiving frame (310), an L-shaped plate (320), an insertion rod (330), a pull plate (340), a return spring (350), a cover frame (360), a connecting plate (370) and a plug hole (380); the front side edge of the conversion plug body (100) is fixedly connected to the wire-receiving frame (310); the middle of the left and right front parts of the conversion plug body (100) is fixedly connected to the L-shaped plate (320); the L-shaped plates (320) on the left and right sides are fixedly connected to the L-shaped plates (320) on the left and right sides. An insertion rod (330) is slidably connected through the middle of the mutually distant sides, and the mutually distant ends of the left and right insertion rods (330) are fixedly connected with a pull plate (340). A return spring (350) is sleeved on the outer side of the insertion rod (330), and a cover frame (360) is clamped on the outer side of the wire take-up frame (310). A connecting plate (370) is fixedly connected to the middle of the left and right sides of the cover frame (360), and a socket (380) is opened through the middle of the right rear part of the connecting plate (370).

6. The anti-loosening travel adapter plug according to claim 5, characterized in that: The two ends of the return spring (350) are respectively fixedly connected to the pull plate (340) and the opposite sides of the L-shaped plate (320), and the front side area of ​​the wire take-up frame (310) is equal to the inner notch area of ​​the cover frame (360).