Anti-drop plug

Abstract

The utility model discloses an anti-drop plug, which comprises a plug body capable of being plugged with a socket for use, the plug body is provided with at least one locking assembly, the locking assembly comprises a rotating seat and a first hook, the rotating seat is rotatably connected with the plug body through a rotating shaft, and the first hook is rotatably arranged on the rotating seat. The rotation axis of the first hook and the central axis of the rotating shaft are arranged in a non-coaxial mode, when the rotating base rotates to the first position, the first hook can tighten the second hook on the socket so as to limit the plug body to be separated from the socket, and when the rotating base rotates to the second position, the first hook can be separated from the second hook so as to relieve the limitation that the plug body is separated from the socket. When the plug is plugged and used, the first hook and the second hook are tensioned by using the rotating seat, so that the plug body is prevented from being separated from the socket, and the reliability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to plug technical field, concretely relates to a prevent falling plug. BACKGROUND

[0002] The plug is usually used with the socket to realize the electric connection or the signal connection, such as power plug, electric vehicle charging plug, signal line plug etc., however, the traditional plug is easy to separate from the socket after plugging, and the reliability is poor. SUMMARY

[0003] The utility model provides a prevent falling plug in view of the deficiency of prior art, it can be used when plugging, and the first hook and the second hook are pulled tight by the rotating seat, so that the plug body is prevented from separating from the socket, and the reliability is good.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A prevent falling plug, including the plug body that can be used with the socket, at least one locking assembly is equipped on the plug body, the locking assembly includes the rotating seat and the first hook, the rotating seat is rotatably connected with the plug body through the pivot, the first hook is rotatably arranged on the rotating seat, the rotation axis of the first hook is non coaxial with the central axis of the pivot, when the rotating seat rotates to the first position, the first hook can pull the second hook on the socket tightly, so as to limit the plug body from separating from the socket, when the rotating seat rotates to the second position, the first hook can separate from the second hook, so as to remove the limitation of the plug body from separating from the socket.

[0006] By setting the locking assembly composed of the rotating seat and the first hook on the plug body, the rotating seat is rotatably connected with the plug body through the pivot, the first hook is rotatably arranged on the rotating seat, and the rotation axis of the first hook is non coaxial with the central axis of the pivot, when the plug body is used with the socket, the rotating seat is positively rotated to the first position, so that the first hook can pull the second hook on the socket tightly, so as to limit the plug body from separating from the socket, and the rotating seat is reversely rotated to the second position, so that the first hook is separated from the second hook, so as to remove the limitation of the plug body from separating from the socket, so that the locking structure of the rotating seat, the first hook and the second hook can prevent the plug body from separating from the socket when plugging, and the reliability is good.

[0007] In one of the embodiments, the rotation axis of the first hook is parallel to the central axis of the pivot.

[0008] In one of the embodiments, the limiting structure is arranged between the rotating seat and the plug body, and the limiting structure can keep the rotating seat at the first position.

[0009] In one of the embodiments, the limiting structure comprises a limiting block and a limiting surface, and the limiting block abuts against the limiting surface to keep the rotating seat in the first position.

[0010] In one of the embodiments, the limiting block is arranged on the circumferential outer surface of the rotating seat, the limiting surface is arranged on the plug body, and the distance b1 between the farthest end of the limiting block from the rotating seat and the central axis of the rotating shaft is slightly greater than the distance b2 between the limiting surface and the central axis of the rotating shaft.

[0011] In one of the embodiments, the rotating seat is provided with a handle.

[0012] In one of the embodiments, the first hook has a hook portion and a connecting portion, the hook portion can hook the second hook, and the connecting portion is rotatably arranged on the rotating seat.

[0013] In one of the embodiments, the hook portion is a U-shaped hook portion, the U-shaped hook portion has two oppositely arranged connecting arms, the connecting portion has two oppositely arranged connecting shafts, the two connecting shafts are respectively connected with the corresponding connecting arms, and the connecting shafts are rotatably arranged on the rotating seat.

[0014] In one of the embodiments, the rotating seat is provided with connecting holes on both sides in the axial direction, the two connecting shafts are rotatably arranged in the corresponding connecting holes, and when the rotating seat is rotated to the first position, the connecting holes are located on the side of the rotating shaft away from the plug body.

[0015] In one of the embodiments, the plug body is provided with a non-circular foolproof block, the non-circular foolproof block is provided with a first conductive terminal, the circumferential outer wall of the non-circular foolproof block is sleeved on the sealing ring, the socket is provided with a non-circular foolproof groove for inserting the non-circular foolproof block, and the non-circular foolproof groove is provided with a second conductive terminal.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically, by setting the locking assembly composed of the rotating seat and the first hook on the plug body, the rotating seat is rotatably connected with the plug body through the rotating shaft, the first hook is rotatably arranged on the rotating seat, and the rotating axis of the first hook is non-coaxially arranged with the central axis of the rotating shaft, when the plug body and the socket are connected for use, the rotating seat is positively rotated to the first position, the first hook is pulled to the second hook on the socket, and the plug body can be limited from being separated from the socket; the rotating seat is reversely rotated to the second position, the first hook is separated from the second hook, and the limitation of the plug body from being separated from the socket is released, so that the locking structure of the rotating seat, the first hook and the second hook can prevent the plug body from being separated from the socket when the plug body and the socket are connected for use, and the reliability is good.

[0017] In order to more clearly set forth the structural features, technical means and the specific purposes and functions reached by the utility model, the utility model will be further described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the plug and the socket of the embodiment of the utility model in the unplug state schematic diagram;

[0019] Figure 2 is the plug and the socket of the embodiment of the utility model in the plug state schematic diagram;

[0020] Figure 3 is the plug and the socket of the embodiment of the utility model in the locking state schematic diagram;

[0021] Figure 4 is the cross section schematic diagram of Figure 3 .

[0022] Figure 5 is the local enlarged schematic diagram of A part in Figure 4 .

[0023] Figure 6 is the exploded schematic diagram of the plug body and the locking assembly of the embodiment of the utility model;

[0024] Figure 7 is the exploded schematic diagram of the locking assembly of the embodiment of the utility model.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 10-plug body, 11-avoidance groove, 12-limiting surface, 13-mounting seat, 14-non-circular foolproof block, 15-sealing ring, 20-socket, 21-second hook, 211-slot, 22-non-circular foolproof groove, 30-locking assembly, 31-rotary seat, 311-handle, 312-limiting block, 3121-rounding, 313-connection hole, 32-first hook, 321-hook part, 3211-connection arm, 322-connection part, 3221-connection shaft, 33-rotation shaft. DETAILED DESCRIPTION

[0027] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the position or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as the limitation to the utility model.

[0028] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned term can be understood according to the specific meaning in the utility model.

[0029] As Figures 1-7 The utility model discloses an anti -drop plug, including the plug body 10 that can be used with the socket 20, the plug body 10 is connected with cable (not shown).

[0030] At least one locking assembly 30 is equipped on the plug body 10, and the upper and lower sides of the plug body 10 are each provided with one locking assembly 30, the locking assembly 30 includes a rotating seat 31 and a first hook 32, the rotating seat 31 is rotatably connected with the plug body 10 through a rotating shaft 33, the first hook 32 is rotatably arranged on the rotating seat 31, and the rotating shaft 33 line of the first hook 32 is non coaxial with the central axis of the rotating shaft 33, specifically, the rotating shaft 33 line of the first hook 32 is parallel with the central axis of the rotating shaft 33.

[0031] The rotating seat 31 can drive the first hook 32 to move, when the rotating seat 31 is rotated to a first position (refer to Figure 3 ), the first hook 32 can be pulled tight on the second hook 21 of the socket 20 to limit the plug body 10 from being separated from the socket 20, when the rotating seat 31 is rotated to a second position (refer to Figure 2 ), the first hook 32 can be separated from the second hook 21 to remove the limitation of the plug body 10 from being separated from the socket 20.

[0032] A handle 311 is arranged on the rotating seat 31, and the handle 311 can drive the rotating seat 31 to rotate by pushing and pulling the handle 311, in actual application, an avoiding slot 11 can be arranged on the plug body 10 corresponding to the position of the handle 311, when the rotating seat 31 is at the first position, the handle 311 is directly opposite the avoiding slot 11, and a user can conveniently pull the handle 311 by inserting fingers into the avoiding slot 11 to drive the rotating seat 31 to rotate.

[0033] A limiting structure is arranged between the rotating seat 31 and the plug body 10, and the limiting structure can keep the rotating seat 31 at the first position, by arranging the limiting structure, the rotating seat 31 is prevented from being reversely turned over, the first hook 32 and the second hook 21 are prevented from being abnormally separated, and the first hook 32 and the second hook 21 are kept in a tensioned state.

[0034] The limiting structure comprises a limiting block 312 and a limiting surface 12, the limiting block 312 abuts against the limiting surface 12, so that the rotating seat 31 is kept in the first position.

[0035] The limiting block 312 is arranged on the circumferential outer surface of the rotating seat 31, the limiting surface 12 is arranged on the plug body 10, the distance b1 between the farthest end of the limiting block 312 away from the rotating seat 31 and the central axis of the rotating shaft 33 is slightly greater than the distance b2 between the limiting surface 12 and the central axis of the rotating shaft 33, specifically, the difference between b1 and b2 can be 0.1mm-0.3mm, the farthest end of the limiting block 312 away from the rotating seat 31 has a rounded corner 3121, when the rotating seat 31 rotates from the second position to the first position, the rotating seat 31 drives the limiting block 312 to rotate around the rotating shaft 33, so that the limiting block 312 moves from the side of the rotating shaft 33 away from the second hook 21 to the side of the rotating shaft 33 close to the second hook 21; in the natural state, the limiting block 312 abuts against the limiting surface 12, so that the limiting block 312 cannot rotate reversely, thereby keeping the rotating seat 31 in the first position; under the action of external force, the limiting block 312 moves relative to the limiting surface 12, and the limiting block 312 or the rotating shaft 33 is elastically deformed slightly, so that the limiting block 312 can move circumferentially around the rotating shaft 33, thereby enabling the rotating seat 31 to switch between the first position and the second position.

[0036] It should be noted that the limiting structure can also adopt a structure in which a single limiting block 312 cooperates with a single limiting groove (not shown), and can also adopt a cooperation structure of a gear (not shown) and a protrusion (not shown), the gear is coaxially arranged on the rotating shaft 33.

[0037] The first hook 32 has a hook portion 321 and a connecting portion 322 connected with each other, the hook portion 321 can hook the second hook 21, and the connecting portion 322 is rotationally arranged on the rotating seat 31.

[0038] The hook portion 321 is a U-shaped hook portion 321, the U-shaped hook portion 321 has two connecting arms 3211 arranged oppositely, the connecting portion 322 has two connecting shafts 3221 arranged oppositely, the two connecting shafts 3221 are connected with the corresponding connecting arms 3211 respectively, and the connecting shafts 3221 are rotationally arranged in the corresponding connecting holes 313.

[0039] Both sides of the rotating seat 31 in the axial direction are provided with connecting holes 313, the axis direction of the connecting holes 313 is parallel to the axis direction of the rotating shaft 33, the two connecting shafts 3221 are rotationally arranged in the corresponding connecting holes 313, when the first hook 32 pulls the second hook 21 tightly, the connecting shafts 3221 are located on the side of the rotating shaft 33 away from the plug body 10.

[0040] The plug is provided with a mounting seat 13, and the rotating seat 31 is rotationally connected with the mounting seat 13 through the rotating shaft 33.

[0041] The second hook 21 is provided with a clamping groove 211 matched with the first hook 32, and the opening of the clamping groove 211 is open in a direction away from the plug.

[0042] The plug body 10 is provided with a non-circular foolproof block 14, the non-circular foolproof block 14 is provided with a first conductive terminal (not shown), the circumferential outer wall of the non-circular foolproof block 14 is sleeved on a sealing ring 15, the plug body 10 is provided with a non-circular foolproof slot 22 for inserting the non-circular foolproof block 14, the non-circular foolproof slot 22 is provided with a second conductive terminal (not shown), when the non-circular foolproof block 14 is inserted into the non-circular foolproof slot 22, the first conductive terminal and the second conductive terminal abut, the sealing ring 15 abuts with the opening edge of the non-circular foolproof slot 22, the non-circular foolproof block 14 and the non-circular foolproof slot 22 are matched, so that the plug body 10 has a foolproof positioning effect, without distinguishing the positions of the first conductive terminal and the second conductive terminal, thereby facilitating user plug-in use, and the sealing ring 15 and the opening edge of the non-circular foolproof slot 22 abut, thereby achieving waterproof effect.

[0043] The use method of the utility model is: first, the non-circular foolproof block 14 is inserted into the non-circular foolproof slot 22, so that the first conductive terminal and the second conductive terminal abut to realize the electrical connection between the plug and the socket 20, then the hook part 321 on the first hook 32 is clamped into the clamping groove 211 on the second hook 21, and then the handle 311 is pressed by hand, under the driving of the handle 311, the rotating seat 31 rotates around the rotating shaft 33 to the first position, the rotating seat 31 drives the first hook 32 to move, so that the first hook 32 pulls the second hook 21, thereby limiting the disconnection between the plug body 10 and the socket 20; the handle 311 is pushed in the opposite direction, under the driving of the handle 311, the rotating seat 31 rotates from the first position to the second position, so that the first hook 32 is loosened from the second hook 21, and the hook part 321 on the first hook 32 is moved out of the clamping groove 211, thereby releasing the limitation of the disconnection between the plug body 10 and the socket 20.

[0044] In summary, the utility model discloses a lock assembly 30 is set up by rotating seat 31 and first hook 32 on the plug body 10, rotating seat 31 is rotatably connected with plug body 10 through pivot 33, first hook 32 is rotatably arranged on rotating seat 31, and the rotation axis 33 of first hook 32 is non coaxial with the central axis of pivot 33, when plug body 10 is connected with socket 20, rotating seat 31 is forwardly rotated to first position, and first hook 32 can be restricted plug body 10 from separating from socket 20 by pulling second hook 21 on socket 20, rotating seat 31 is reversely rotated to second position, and first hook 32 can be separated from second hook 21, and the restriction of plug body 10 from separating from socket 20 can be released, so that the locking structure of rotating seat 31, first hook 32 and second hook 21 can prevent plug body 10 from separating from socket 20 when being connected, and the reliability is good.

[0045] The above is only the preferred embodiment of the utility model, and does not limit the utility model, so any modification, equivalent replacement, improvement etc. of the above embodiment according to the technical spirit of the utility model still belongs to the scope of the technical scheme of the utility model.

Claims

1. An anti-disconnection plug, comprising a plug body which can be plugged with a socket, characterized in that: at least one locking assembly is arranged on the plug body, the locking assembly comprises a rotating seat and a first hook, the rotating seat is rotationally connected with the plug body through a rotating shaft, the first hook is rotationally arranged on the rotating seat, and the rotating axis of the first hook is arranged non-coaxially with the central axis of the rotating shaft; when the rotating seat is rotated to a first position, the first hook can be tightened with a second hook on the socket to limit the disconnection of the plug body from the socket; when the rotating seat is rotated to a second position, the first hook can be separated from the second hook to release the limitation of the disconnection of the plug body from the socket; the rotating axis of the first hook is arranged parallel to the central axis of the rotating shaft; a limiting structure is arranged between the rotating seat and the plug body, and the limiting structure can keep the rotating seat in the first position; the limiting structure comprises a limiting block and a limiting surface, and the limiting block abuts against the limiting surface to keep the rotating seat in the first position; the limiting block is arranged on the circumferential outer surface of the rotating seat, the limiting surface is arranged on the plug body, and the distance b1 between the farthest end of the limiting block from the rotating seat and the central axis of the rotating shaft is slightly greater than the distance b2 between the limiting surface and the central axis of the rotating shaft; a handle is arranged on the rotating seat; the first hook has a hook part and a connecting part which are connected, the hook part can hook the second hook, and the connecting part is rotationally arranged on the rotating seat; the hook part is a U-shaped hook part, the U-shaped hook part has two connecting arms which are oppositely arranged, the connecting part has two connecting shafts which are oppositely arranged, the two connecting shafts are respectively connected with the corresponding connecting arms, and the connecting shafts are rotationally arranged on the rotating seat; the rotating seat is provided with connecting holes on both sides in the axial direction, the two connecting shafts are rotationally arranged in the corresponding connecting holes, and when the rotating seat is rotated to the first position, the connecting holes are located on the side of the rotating shaft away from the plug body; a non-circular foolproof block is arranged on the plug body, the non-circular foolproof block is provided with a first conductive terminal, the circumferential outer wall of the non-circular foolproof block is sleeved with a sealing ring, a non-circular foolproof groove is arranged on the socket for inserting the non-circular foolproof block, and a second conductive terminal is arranged in the non-circular foolproof groove. ​ ​ ​ 2. The anti-disconnection plug according to claim 1, wherein ​ 3. The anti-disconnection plug according to claim 1, wherein ​ 4. The anti-disconnection plug according to claim 3, wherein ​ 5. The anti-disconnection plug according to claim 4, wherein ​ 6. The anti-dropping plug of claim 1, wherein ​ 7. The anti-dropping plug of claim 1, wherein ​ 8. The anti-dropping plug according to claim 7, wherein ​ 9. The anti-dropping plug of claim 8, wherein, ​ 10. The anti -pullout plug according to any one of claims 1-9, wherein, ​

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