CN216251314U

CN216251314U - Plug with a locking mechanism

Info

Publication number: CN216251314U
Application number: CN202122589020.5U
Authority: CN
Inventors: 洪军标
Original assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Current assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-08
Anticipated expiration: 2031-10-27

Abstract

A plug comprises a plug body, a tail sleeve and a key, wherein a groove for the key to be placed in and to move up and down in a limiting mode is axially formed in the upper end face of the plug body, a front-end inserted slot for the key is formed in the front end of the groove in a forward concave mode, a limiting groove for the rear end of the key to be pressed in is formed in the rear end of the groove in a backward concave mode, a lock catch part matched with a socket in an inserting mode and locked in an inserting mode is arranged on the front portion of the key in an upward convex mode, a limiting pressing block matched with the limiting groove is arranged in the rear end of the key in a backward convex mode, during assembly, the front end of the key is inserted into the slot of the groove, the rear end of the key is pressed downwards, the limiting pressing block is embedded into the limiting groove to be located, and an elastic element which enables the key to be always popped out and locked with the socket is supported between the lower end face of the key and the bottom face of the groove. The utility model has simple and reasonable structure, convenient assembly and processing, can realize quick plugging, and has good waterproof performance and long service life of the key.

Description

Plug with a locking mechanism

Technical Field

The utility model relates to the technical field of connectors, in particular to a plug which can be plugged and pulled quickly, is convenient to assemble and has good waterproof performance.

Background

The waterproof plug is a plug with waterproof performance and can provide safe and reliable connection of electricity, signals and the like. The waterproof plugs in the market are various in brands and types, and are mainly used in the fields of LED street lamps, LED driving power supplies, LED display screens, lighthouses, pleasure boats, industrial equipment, broadcast televisions, communication and the like. Traditional waterproof plug generally all adopts the plug-in to connect, has the quick convenient characteristics of connecting, and in order to improve the waterproof performance of plug, the button of plug generally all sets up on the socket, has been pegged graft for a long time because reasons such as spring inefficacy in the button for the unblock is difficult. In addition, according to the particularity of the sound box stage site, the cable is directly thrown on the ground before or after installation, and the plug is easy to step on to cause deformation, so that the plug cannot be used again.

Through the investigation, chinese patent "an audio frequency connecting plug" that current patent number is CN201511023865.0, including plug body and button, characteristics are that the up end of plug body is provided with the recess, the button sets up in the recess, be provided with button canceling release mechanical system between button and the recess, be provided with button anti-disengaging mechanism on the button, its advantage is to set up the recess at the up end of plug body, this recess does not communicate with the plug body, form a confined space, install the button through this confined space, can prevent effectively that external dust, water, it is internal that gaseous etc. enter into the plug body from the button, moreover, the steam generator is simple in structure, guarantee through button canceling release mechanical system that the button effectively resets, can guarantee through button anti-disengaging mechanism that the button is stably installed in the recess, thereby guarantee whole audio frequency connecting plug's normal, stable use, the weak point lies in: the assembly process is complicated, the key is fixed in a limiting mode by the anti-falling cover plate, the anti-falling cover plate is fixed by the pin columns, firmness is not high enough, falling is caused easily, the key is separated, normal use is affected, and the waterproof performance of the key is not ideal.

In addition, for example, chinese patent "plug" with patent number CN201821318796.5, including plug body, tail cover and button, the rear end of plug body is connected with the tail cover, its characterized in that: the plug comprises a plug body, a groove is axially formed in the upper end face of the plug body and used for allowing a key to be placed in and move up and down in a limiting mode, the groove is of a stepped structure with a shallow front portion and a deep rear portion, a through hole is axially formed in the upper portion of the front end face of the plug body and connected with the groove inwards, a locking portion matched with a socket in an inserting mode is arranged on the front portion of the key in an upward protruding mode, an elastic element enabling the key to have a tendency of popping out all the time outwards and enabling the locking portion to be locked with the socket is supported between the lower end face of the rear portion of the key and the bottom face of the groove, the front end of the key is inserted into the through hole, a stop block abutting against the front end portion of the key is arranged in the through hole, and a waterproof fixing block is arranged at the opening of the front end of the through hole. The plug can realize quick plugging and unplugging, and meanwhile, the waterproof performance of the key is better, but the defects are that: the preparation process is relatively complicated, the front end of the plug body is provided with a through hole penetrating through the groove, a blocking block needs to be added for gluing and sealing, and the post-processing process is added.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a plug which is simple and reasonable in structure, convenient to assemble and process and good in button waterproofness.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a plug, includes plug body, tail cover and button, the rear end of plug body is connected with the tail cover, the recess that supplies the button to put into and spacing activity from top to bottom, its characterized in that is offered to the axial on the up end of plug body: the front end of the groove is provided with a slot for inserting the front end of the key forward in a concave manner, the rear end of the groove is provided with a limiting groove for pressing the rear end of the key backward, the front part of the key is provided with a lock catch part which is matched with the socket in an inserting manner and locked in an upward protruding manner, the rear end of the key is provided with a limiting pressing block matched with the limiting groove backward in a protruding manner, during assembly, the front end of the key is inserted into the slot of the groove, the rear end of the key is pressed down to enable the limiting pressing block to be embedded into the limiting groove for positioning, and an elastic element which enables the key to be always popped out outwards and enables the lock catch part and the socket to be locked is supported between the lower end face of the key and the bottom face of the groove.

Further, the front wall of the plug body corresponds and is the thickening design with one side of recess, and the opening top of the recess rear end concave surface of plug body is the inclined plane of being convenient for the impressing of button, and what correspond, the outer terminal surface downside of spacing briquetting is the inclined plane of tilt up.

Furthermore, the groove is in a stepped structure with a shallow front part and a deep rear part matched with the key, and a front end slot and a rear end limiting groove of the groove are directly formed by a mould or are formed by post-processing.

And furthermore, a raised button part is formed at the rear part of the upper end of the key, the elastic element is a spring, a spring hole is concavely formed at the position, corresponding to the button part, of the lower end face of the key, the upper end of the spring is inserted into the spring hole, and the lower end of the spring is supported against the bottom of the groove.

Further, the plug body is the tubular structure, and the plug body is connected with the tail cover through the adapter sleeve, and the rear end of plug body is equipped with the external screw thread connection section, and the adapter sleeve is two open-ended around for the adapter sleeve, the big little sleeve structure of back end diameter of anterior segment diameter, and the front end of adapter sleeve is equipped with the internal thread hole that corresponds with the external screw thread connection section of plug body, and the plug body passes through threaded connection with the adapter sleeve and fixes, and the concave ring groove that is equipped with in the front end outside of tail cover, and the rear end of adapter sleeve is equipped with the rand of the looks joint location with ring groove.

And finally, a wire clamp is arranged in a cavity formed after the plug body is connected with the connecting sleeve and the tail sleeve, the rear parts of the wire clamp are provided with eight waterproof claws, a waterproof sleeve is arranged in each waterproof claw, and a wire clamp waterproof ring is arranged between the rear end part of each waterproof claw and the inner wall of the tail sleeve.

Compared with the prior art, the utility model has the advantages that: the front end of the groove of the plug body is not provided with a through hole, and the key is directly embedded in the groove by pressing, so that the assembly is very convenient, a block is not required to be arranged, and the waterproof performance is better; the front slot and the rear limiting groove of the groove can be directly formed by adopting a die, so that the preparation process is simpler; the button sets up on the plug body, and the plug can be operated to single-handed holding, and one action can the unblock realize one-handed operation, quick plug. The utility model has simple and reasonable structure, convenient assembly and processing, can realize quick plugging, and has good waterproof performance and long service life of the key.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a longitudinal cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 3 with the key removed;

fig. 5 is a schematic diagram of a key assembly process, where a is before key press-in and b is after key press-in.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, a plug includes a plug body 1, a tail sleeve 3, a key 2, a connecting sleeve 4 and a wire clamp 6, the plug body 1 is a cylindrical structure, the rear end of the plug body 1 is connected with the tail sleeve 3 through the connecting sleeve 4, a plug insulator is embedded in the middle of the front end of the plug body 1, a groove 11 for the key 2 to be inserted and to be movable in an up-and-down limiting manner is axially formed in the upper end surface of the plug body 1, the groove 11 of the embodiment is a stepped structure (or the same plane) with a shallow front part and a deep rear part, one side of the front wall surface of the plug body 1 corresponding to the groove 11 is thickened, a slot 12 for the front end of the key 2 to be inserted is formed in the front end of the groove 11 in a forward concave manner, and a limiting groove 13 for the rear end of the key 2 to be pressed in is formed in the rear end of the groove 11; the front part of the key 2 is convexly provided with a lock catch part 21 which is matched with a socket for plugging and locking, the rear part of the upper end of the key 2 is formed with a convex button part 22, the rear end of the key 2 is convexly provided with a limit pressing block 23 which is matched with the limit groove 13, when the assembly is carried out, the front end of the key 2 is inserted into the slot 12 of the groove 11, the rear end of the key 2 is pressed downwards to enable the limit pressing block 23 to be embedded into the limit groove 13 for positioning, and an elastic element 5 which enables the key 2 to be always popped outwards and enables the lock catch part 21 and the socket to be locked is supported between the lower end surface of the key 2 and the bottom surface of the groove 11;

the front slot 12 and the rear limiting groove 13 of the groove 11 of the plug body 1 of the embodiment are directly formed by a mold, and can also be formed by post-processing; in order to facilitate the assembly of the key 2, an inclined plane 131 for facilitating the pressing-in of the key 2 is formed above the opening of the concave surface 13 at the rear end of the groove 11, and correspondingly, the lower side of the outer end surface of the limiting pressing block 23 is an inclined plane which inclines upwards. The elastic element 5 is a spring 5, a spring hole 24 is concavely arranged on the lower end surface of the key 2 corresponding to the position of the button part 22, the upper end of the spring 5 is inserted into the spring hole 24, and the lower end of the spring 5 is supported against the bottom of the groove 22. The rear end of plug body 1 is equipped with the external screw thread connection section, adapter sleeve 4 is two open-ended, the big little sleeve structure of back end diameter of anterior segment diameter around being, the front end of adapter sleeve 4 is equipped with the internal thread hole that corresponds with the external screw thread connection section of plug body 1, plug body 1 passes through threaded connection with adapter sleeve 4 and fixes, the concave ring groove that is equipped with in the front end outside of tail cover 3, the rear end of adapter sleeve 4 is equipped with the rand of mutually the joint location with ring groove. The wire clamp 6 is arranged in a cavity formed after the plug body 1 is connected with the connecting sleeve 4 and the tail sleeve 3, the rear part of the wire clamp 6 is provided with eight waterproof claws, a waterproof sleeve 7 is arranged in the eight waterproof claws, a wire clamp waterproof ring 8 is arranged between the rear end parts of the eight waterproof claws and the inner wall of the tail sleeve 3, and the structures in the connecting sleeve 4 and the tail sleeve 3 are consistent with the prior art and are not described more here.

When in use, the key 2 is arranged on the plug body 1, so that the plug can be held by a single hand for operation; in the plug in-process, get into the button lock position of socket when button 2's hasp portion 21, because elastic element 5 elastic force effect, button 2 bounces makes hasp portion 21 and button lock position locking, when extracting, as long as press button 2 is pushed down, button 2's hasp portion 21 moves down, realize the unblock, because the recess 11 front end of plug body 1 does not have the through-hole, the waterproof performance of button 2 has effectively been improved, service life is prolonged, recess 11 front end slot 12 and rear end spacing recess 13 can adopt mould direct forming, the preparation technology is simpler.

As shown in fig. 5, the key 2 is assembled by first inserting the spring 5 into the spring hole 24, then inserting the front end of the key 2 into the slot 12 at the front end of the groove 11, then pressing down the rear end of the key 2 with force, and embedding the limiting pressing block 23 into the inner concave surface 13. Because the key 2 is assembled in a downward forced pressing mode, the assembly process is simpler, a key anti-falling structure is not required to be arranged, the plugging and the pulling are convenient, and the elastic hand feeling is very good.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a plug, includes plug body, tail cover and button, the rear end of plug body is connected with the tail cover, the recess that supplies the button to put into and spacing activity from top to bottom, its characterized in that is offered to the axial on the up end of plug body: the front end of the groove is provided with a slot for inserting the front end of the key forward in a concave manner, the rear end of the groove is provided with a limiting groove for pressing the rear end of the key backward, the front part of the key is provided with a lock catch part which is matched with the socket in an inserting manner and locked in an upward protruding manner, the rear end of the key is provided with a limiting pressing block matched with the limiting groove backward in a protruding manner, during assembly, the front end of the key is inserted into the slot of the groove, the rear end of the key is pressed down to enable the limiting pressing block to be embedded into the limiting groove for positioning, and an elastic element which enables the key to be always popped out outwards and enables the lock catch part and the socket to be locked is supported between the lower end face of the key and the bottom face of the groove.

2. The plug of claim 1, wherein: the front wall face of the plug body corresponds to one side of the groove and is in thickening design, an inclined plane facilitating pressing of a key is formed above an opening of a concave face in the rear end of the groove of the plug body, and correspondingly, the lower side of the outer end face of the limiting pressing block is an inclined plane inclining upwards.

3. The plug of claim 1, wherein: the groove is of a stepped structure with a shallow front part and a deep rear part matched with the key, and a front end slot and a rear end limiting groove of the groove are directly formed by a mould or are formed by post-processing.

4. The plug of claim 1, wherein: the rear part of the upper end of the key is provided with a raised button part, the elastic element is a spring, the lower end of the key is concavely provided with a spring hole corresponding to the button part, the upper end of the spring is inserted into the spring hole, and the lower end of the spring is supported against the bottom of the groove.

5. The plug according to any one of claims 1 to 4, wherein: the plug body is the tubular structure, and the plug body is connected with the tail cover through the adapter sleeve, and the rear end of plug body is equipped with the external screw thread connection section, and the adapter sleeve is two open-ended around for the adapter sleeve, the big little sleeve structure of back end diameter of anterior segment diameter, and the front end of adapter sleeve is equipped with the internal thread hole that corresponds with the external screw thread connection section of plug body, and the plug body passes through threaded connection with the adapter sleeve and fixes, and the front end outside of tail cover is concave to be equipped with ring groove, and the rear end of adapter sleeve is equipped with the rand of mutually the joint location with ring groove.

6. The plug of claim 5, wherein: the plug is characterized in that a wire clamp is arranged in a cavity formed after the plug body is connected with the connecting sleeve and the tail sleeve, the rear portion of the wire clamp is provided with eight waterproof claws, a waterproof sleeve is arranged in each of the eight waterproof claws, and a wire clamp waterproof ring is arranged between the rear end portion of each of the eight waterproof claws and the inner wall of the tail sleeve.