Anti-loose plug assembly

Abstract

The utility model relates to the technical field of plugs, in particular to an anti-loose plug assembly, which comprises a male plug and a female plug. The female plug comprises a first mounting shell, a plugging cavity is formed in one end of the first mounting shell in the length direction, and a plugging port is formed in one end, close to the male plug, of the plugging cavity; an inserting block is arranged in the inserting cavity, and the end, away from the inserting opening, of the inserting block is fixedly connected with the bottom of the inserting cavity; the male plug comprises a second mounting shell, an insertion sleeve is integrally formed at one end of the second mounting shell in the length direction, and the insertion sleeve is inserted into the insertion cavity and sleeves the outer side of the insertion block; a long groove is formed in one side of the first mounting shell and communicates with the insertion cavity, and a clamping structure is arranged between the insertion sleeve and the insertion block and located on the inner side of the long groove. In the using process, it can be guaranteed that the male plug and the female plug cannot loosen when being vibrated or externally stressed.

Description

Technical Field

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

[0002] Currently, high-power power supply plugs rely on friction to ensure that the male and female plugs are tightly plugged in, among which the main friction is provided by the metal plug inside the plug. However, the plugs in some scenarios will gradually become loose due to vibration and external force. When the contact area becomes smaller and smaller, burning may occur. Therefore, in order to ensure that the male and female heads of the plug are not loose, an anti-loosening plug assembly is urgently needed. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides an anti-loosening plug assembly, which can ensure that the male and female plugs will not loosen when subjected to vibration or external force during use.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, an embodiment of the present application provides an anti-loosening plug assembly, including a male plug and a female plug; the female plug includes a first mounting shell, a plug-in cavity is provided at one end in the length direction of the first mounting shell, and the plug-in cavity is close to one end of the male plug to form a plug-in interface; a plug-in block is arranged in the plug-in cavity, and the end of the plug-in block away from the plug-in interface is fixedly connected to the bottom of the plug-in cavity; the male plug includes a second mounting shell, a plug-in sleeve is integrally formed at one end in the length direction of the second mounting shell, the plug-in sleeve is plugged into the plug-in cavity and sleeved on the outside of the plug-in block; a long groove is provided on one side of the first mounting shell, the long groove is connected to the plug-in cavity, and a clamping structure is arranged between the plug-in sleeve and the plug-in block and on the inner side of the long groove.

[0007] Preferably, a clamping groove is provided at one end of the plug-in sleeve away from the second mounting shell and on a side close to the long slot; the clamping structure includes a clamping block fixed on the plug-in block, the clamping block is located on a side close to the long slot, and when the plug-in sleeve and the plug-in block are plugged in, the clamping block is located in the clamping groove; a supporting shaft is fixed to the outside of the plug-in sleeve and on a side close to the long slot, a clamping plate is rotatably connected to the support shaft, the clamping plate includes a clamping portion close to one end of the clamping block, and when the clamping plate rotates, the clamping portion and the clamping block are clamped; a control plate is formed at one end of the clamping plate away from the clamping portion; a torsion spring is arranged between the clamping plate and the support shaft, and the torsion spring controls the clamping portion to rotate toward the side close to the clamping block.

[0008] Preferably, a fixing plate is integrally formed at one end of the first mounting shell close to the plug interface, the fixing plate is located on the outer side of the first mounting shell, and a plurality of fixing holes are spaced apart on the fixing plate.

[0009] Preferably, it further comprises a mounting plate, on which a plurality of mounting holes are spaced apart, and the fixing plate can be detachably fixedly mounted at each of the mounting holes.

[0010] Preferably, a wiring hole is formed at one end of the plug block close to the plug interface, and a wiring terminal is arranged in the wiring hole; a wiring post is fixedly arranged in the middle of the plug sleeve, and the wiring post is inserted into the wiring hole and electrically connected to the wiring terminal.

[0011] Preferably, an annular limiting groove is formed at one end of the first mounting shell and the second mounting shell which are away from each other, and a rubber sleeve is fixedly connected through the limiting groove, and a cable is connected to the inner side of the rubber sleeve.

[0012] (III) Beneficial effects

[0013] The utility model provides an anti-loosening plug assembly, which can connect the female plug and the male plug by arranging a clamping structure between the female plug and the male plug. During operation, it can ensure that the plug does not loosen in high-frequency and low-frequency vibrations, thereby reducing the problems of sparks, power outages, etc. caused by loose plugs during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of an anti-loosening plug assembly of the utility model;

[0015] Figure 2 It is a cross-sectional view of an anti-loosening plug assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of a protruding female plug in an anti-loosening plug assembly of the utility model;

[0017] Figure 4 It is a schematic diagram of a protruding male plug in an anti-loosening plug assembly of the utility model.

[0018] Markings in the accompanying drawings:

[0019] 100, female plug; 110, first mounting shell; 111, plug-in cavity; 112, plug interface; 113, long slot; 114, limit slot; 120, plug-in block; 121, wiring hole; 130, fixing plate; 131, fixing hole; 200, male plug; 210, second mounting shell; 220, plug-in sleeve; 221, snap-in slot; 230, terminal; 300, snap-in structure; 310, snap-in block; 320, support shaft; 330, snap-in plate; 331, snap-in portion; 332, control panel; 333, torsion spring; 400, mounting plate; 410, mounting hole; 500, rubber sleeve. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] The utility model provides a loose-proof plug assembly, see Figure 1-Figure 4 , including a male plug 200 and a female plug 100 .

[0023] Among them, the female plug 100 includes a first mounting shell 110, and a plug-in cavity 111 is opened at one end in the length direction of the first mounting shell 110, and a plug-in interface 112 is formed at the end of the plug-in cavity 111 close to the male plug 200; a plug-in block 120 is arranged in the plug-in cavity 111, and the end of the plug-in block 120 away from the plug-in interface 112 is fixedly connected to the bottom of the plug-in cavity 111.

[0024] The male plug 200 includes a second mounting shell 210, and a plug sleeve 220 is integrally formed at one end of the second mounting shell 210 in the length direction. The plug sleeve 220 is plugged into the plug cavity 111 and sleeved on the outside of the plug block 120. A long groove 113 is opened on one side of the first mounting shell 110, and the long groove 113 is connected to the plug cavity 111. A clamping structure 300 is provided between the plug sleeve 220 and the plug block 120 and inside the long groove 113.

[0025] When the female plug 100 and the male plug 200 are plugged together, the plug block 120 and the plug sleeve 220 are plugged together and fixed by the plug-in structure 300 to prevent the two from loosening during use.

[0026] A locking groove 221 is defined at one end of the plug sleeve 220 away from the second mounting shell 210 and at a side surface close to the long groove 113 .

[0027] The clamping structure 300 includes a clamping block 310 fixed on the plug-in block 120. The clamping block 310 is located on a side close to the long slot 113. When the plug-in sleeve 220 and the plug-in block 120 are plugged in, the clamping block 310 is located in the clamping groove 221. When the plug-in sleeve 220 and the plug-in block 120 are connected, the clamping block 310 is clamped at the bottom of the clamping groove 221, and the clamping groove 221 limits the clamping block 310.

[0028] A support shaft 320 is fixed to a side surface of the outer side of the plug sleeve 220 and close to the long groove 113 . Specifically, support blocks are fixed to both ends of the support shaft 320 , and the support shaft 320 is supported by the support blocks.

[0029] A clamping plate 330 is rotatably connected to the support shaft 320 , and the clamping plate 330 includes a clamping portion 331 close to one end of the clamping block 310 . The clamping portion 331 protrudes from the clamping plate 330 toward one side of the clamping block 310 . When the clamping plate 330 rotates, the clamping portion 331 and the clamping block 310 are clamped.

[0030] A control plate 332 is formed at one end of the clamping plate 330 away from the clamping portion 331; a torsion spring 333 is provided between the clamping plate 330 and the support shaft 320, and the torsion spring 333 controls the clamping portion 331 to rotate toward the side close to the clamping block 310. In the process of use, the torsion spring 333 provides elastic potential energy to the clamping plate 330, so that the clamping portion 331 and the clamping block 310 can maintain the clamping state. When disassembly is required, the clamping portion 331 and the clamping block 310 are disengaged by pressing the control plate 332.

[0031] A fixing plate 130 is integrally formed at one end of the first mounting shell 110 near the plug port 112. The fixing plate 130 is located outside the first mounting shell 110 and has a plurality of fixing holes 131 spaced apart on the fixing plate 130. The fixing plate 130 can fix the plug assembly at a set position.

[0032] Preferably, the anti-loosening plug assembly further comprises a mounting plate 400, on which a plurality of mounting holes 410 are arranged at intervals, and a fixing plate 130 can be detachably fixed at each mounting hole 410. When multiple cables need to be plugged in, the mounting plate 400 can be fixedly installed with the device. Multiple female plugs 100 are installed on the mounting plate 400.

[0033] A wiring hole 121 is formed at one end of the plug block 120 near the plug interface 112, and a wiring terminal is arranged in the wiring hole 121; a wiring post 230 is fixedly arranged in the middle of the plug sleeve 220, and the wiring post 230 is inserted into the wiring hole 121 and electrically connected to the wiring terminal.

[0034] An annular limiting groove 114 is formed at one end of the first installation shell 110 and the second installation shell 210 which are away from each other, and a rubber sleeve 500 is fixedly connected through the limiting groove 114 , and a cable is connected inside the rubber sleeve 500 .

[0035] The utility model provides an anti-loosening plug assembly, which can connect the female plug and the male plug by arranging a clamping structure between the female plug and the male plug. During operation, it can ensure that the plug does not loosen in high-frequency and low-frequency vibrations, thereby reducing the problems of sparks, power outages, etc. caused by loose plugs during use.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" 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 invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In the absence of conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

[0038] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An anti-loosening plug assembly, characterized in that: It comprises a male plug (200) and a female plug (100); The female plug (100) comprises a first mounting shell (110), one end of the first mounting shell (110) in the length direction of which is provided with a plug-in cavity (111), and an end of the plug-in cavity (111) close to the male plug (200) forms a plug-in interface (112); a plug-in block (120) is arranged in the plug-in cavity (111), and an end of the plug-in block (120) away from the plug-in interface (112) is fixedly connected to the bottom of the plug-in cavity (111); The male plug (200) comprises a second mounting shell (210), one end of the second mounting shell (210) in the length direction of which is integrally formed with a plug sleeve (220), the plug sleeve (220) being plugged into the plug cavity (111) and sleeved onto the outside of the plug block (120); A long slot (113) is provided on one side of the first installation shell (110), the long slot (113) being connected to the plug-in cavity (111), and a clamping structure (300) is provided between the plug-in sleeve (220) and the plug-in block (120) and inside the long slot (113).

2. The anti-loosening plug assembly according to claim 1, characterized in that: A clamping groove (221) is formed on one side of the plug sleeve (220) which is away from the second mounting shell (210) and close to the long groove (113); The clamping structure (300) comprises a clamping block (310) fixed on the plug-in block (120), the clamping block (310) being located on a side close to the long slot (113), and when the plug-in sleeve (220) and the plug-in block (120) are plugged in, the clamping block (310) is located in the clamping slot (221); A support shaft (320) is fixed to a side surface of the outer side of the plug sleeve (220) close to the long slot (113); a clamping plate (330) is rotatably connected to the support shaft (320); the clamping plate (330) comprises a clamping portion (331) close to one end of the clamping block (310); when the clamping plate (330) rotates, the clamping portion (331) and the clamping block (310) are clamped; A control plate (332) is formed at one end of the clamping plate (330) away from the clamping portion (331); A torsion spring (333) is provided between the clamping plate (330) and the support shaft (320), and the torsion spring (333) controls the clamping portion (331) to rotate towards a side close to the clamping block (310).

3. The anti-loosening plug assembly according to claim 1, characterized in that: A fixing plate (130) is integrally formed at one end of the first installation shell (110) close to the plug interface (112); the fixing plate (130) is located outside the first installation shell (110); and a plurality of fixing holes (131) are spaced apart on the fixing plate (130).

4. The anti-loosening plug assembly according to claim 3, characterized in that: It also comprises a mounting plate (400), on which a plurality of mounting holes (410) are arranged at intervals, and the fixing plate (130) can be detachably fixedly mounted at each of the mounting holes (410).

5. The anti-loosening plug assembly according to claim 1, characterized in that: A wiring hole (121) is provided at one end of the plug block (120) close to the plug interface (112), and a wiring terminal is provided in the wiring hole (121); A terminal post (230) is fixedly arranged in the middle of the plug sleeve (220); the terminal post (230) is plugged into the wiring hole (121) and is electrically connected to the wiring terminal.

6. The anti-loosening plug assembly according to claim 1, characterized in that: An annular limiting groove (114) is provided at one end of the first installation shell (110) and the second installation shell (210) which are away from each other, and a rubber sleeve (500) is fixedly connected via the limiting groove (114), and a cable is connected inside the rubber sleeve (500).

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