CN209747797U - Plug with a locking mechanism - Google Patents

Abstract

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, and the recess that supplies the button to put into and spacing activity from top to bottom is seted up to the axial on the upper surface of plug body, and the through-hole that is connected with the recess is seted up to the preceding terminal surface upper portion axial of plug body, and in the front end of button inserted the through-hole, its characterized in that: the through hole is internally provided with a waterproof stop block which is abutted against the front end part of the key and has a waterproof function, and the lower surface of the through hole is riveted with a fixed bulge which is abutted against the front end of the waterproof stop block. The utility model has the advantages of simple and reasonable structure, can realize quick plug, the button waterproof performance is good simultaneously, and the equipment is convenient, needn't beat glue, tears open and pulls out also very conveniently.

Description

Plug with a locking mechanism

Technical Field

The utility model relates to a connector technical field especially relates to a but quick plug, waterproof plug that practicality is strong.

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.

According to the investigation, the Chinese patent CN201520412696.9 audio and video connecting plug comprises a plug body, a tail sleeve and a key, wherein the tail sleeve is sleeved at one end of the plug body, a plug insulator is embedded in the middle of the other end of the plug body, a groove is arranged on the upper end face of the plug body on the upper side of the plug insulator, a through hole is axially formed in the plug body on the upper side of the plug insulator, a guide groove is axially arranged between the groove and the through hole to be connected, the key comprises a pressing part, a clamping part and a plug inserting part, the clamping part is horizontally connected with the clamping part at one end of the pressing part, the pressing part and the clamping part are respectively arranged in the groove and the guide groove, and the plug inserting part is inserted into the through hole to be fixed. According to the structure, the key is arranged in the groove, and the through hole is blocked by the plug insertion part to form a closed space which is not communicated with the inside, so that the waterproof of the key is effectively realized, but the key is not easy to disassemble and replace after being assembled, and if the spring is used for a long time and the elastic failure of the spring becomes poor, the key is not easy to replace; in addition, the position of the key is not provided with a structure of a stopper, the force of the spring is too large, or the key moves upwards and backwards in the plugging process or due to factors such as external force, falling on the ground, treading and the like, and the key is easy to block and even fall off.

Still, like chinese patent application No. CN201821318796, "a plug", includes a plug body, a tail sleeve and a key, a rear end of the plug body is connected to the tail sleeve, a groove for the key to be inserted and vertically limited is axially formed on an upper end surface of the plug body, the groove is in a stepped structure with a shallow front portion and a deep rear portion, a through hole is axially formed on an upper portion of a front end surface of the plug body, the through hole is inwardly connected to the groove, a locking portion for being inserted and locked with a socket is convexly formed on a front portion of the key, an elastic element for enabling the key to have a tendency of always popping out outwards is supported between a lower end surface of the rear portion of the key and a bottom surface of the groove, a front end of the key is inserted into the through hole, a waterproof stopper abutting against a front end portion of the key is disposed in the through hole, and a waterproof fixing block is disposed at an opening of. The key with the structure has good waterproof performance, is not easy to separate or block, but needs glue and is inconvenient to assemble.

Disclosure of Invention

The utility model aims to solve the technical problem that to foretell technical current situation and provide a plug that rational in infrastructure is firm, button waterproof nature is good and the equipment is convenient.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: 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, and the recess that supplies the button to put into and spacing activity from top to bottom is seted up to the axial on the upper surface of plug body, and the through-hole that is connected with the recess is seted up to the preceding terminal surface upper portion axial of plug body, and in the front end of button inserted the through-hole, its characterized in that: the through hole is internally provided with a waterproof stop block which is abutted against the front end part of the key and has a waterproof function, and the lower surface of the through hole is riveted with a fixed bulge which is abutted against the front end of the waterproof stop block.

As an improvement, the through hole is a rectangular hole matched with the width of the front end of the groove, the front part of the waterproof stop block is a rectangular block matched with the through hole, the rear part of the waterproof stop block is a strip-shaped block matched with the front end of the key, and the waterproof stop block is embedded in the through hole and is in sealed abutting contact with the inner wall of the through hole.

Furthermore, the front part of the waterproof stop block is a lengthened rectangular block matched with the through hole, the waterproof stop block is embedded in the through hole, the front end of the waterproof stop block is positioned at the middle front part of the through hole, the fixing protrusion is a turned edge formed by upward turning and riveting the lower surface of the through hole, and the turned edge is abutted and fixed with the front end of the waterproof stop block.

Further, the front portion of the waterproof stop block is a rectangular block which is matched with the through hole and is shortened, the waterproof stop block is embedded in the through hole, the front end of the waterproof stop block is located at the middle rear portion of the through hole, the fixing protrusion is at least one, the lower surface of the through hole is subjected to riveting forming, the rear end of the fixing protrusion abuts against the front end of the waterproof stop block, and the rectangular waterproof stop block is further embedded at the front end of the fixing protrusion in the through hole.

And the two corresponding rectangular waterproof stop blocks are respectively embedded in the through holes and positioned at the front sides of the two fixing bulges.

Furthermore, the recess is the echelonment structure that the front portion is shallow, the rear portion is dark, the front portion wall of plug body corresponds and is the thickening design with one side of recess, the through-hole is seted up in the intermediate position of the anterior thickening layer of plug body, button anterior epirelief is equipped with the hasp portion of pegging graft locking with the socket cooperation, it has the elastic element that makes the button have outwards pop out the trend all the time to support between the lower surface at button rear portion and the bottom surface of recess, make hasp portion and socket lock position realize the locking, the upper end of plug body is equipped with the bellying of side U-shaped corresponding to the top at the rear portion of recess, the rear end of button is equipped with the spacing portion that offsets with the rear end inner wall of.

And the button is provided with a convex button part at the rear end, the elastic element adopts a spring or an elastic sheet, and the bottom of the button part is concavely provided with a spring hole or a positioning groove for the upper end of the spring or the elastic sheet to abut against and position.

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.

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 of: the key is arranged in the groove of the plug body, and the through hole connected with the groove is internally provided with the waterproof stop block, so that the waterproof of the key is effectively realized, and the rear end of the key is provided with the limiting part which is abutted against the inner wall of the rear end of the bulge part for limiting, so that the key is not easy to be separated or blocked; the lower surface of the through hole is formed with a fixing bulge through rivet turning or riveting, and the fixing bulge plays a role in fixing the waterproof stop block; 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 the advantages of simple and reasonable structure, can realize quick plug, the button waterproof performance is good simultaneously, and the equipment is convenient, and production efficiency is high, needn't beat glue, tears open and pulls out also very conveniently.

Drawings

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

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

Fig. 3 is a longitudinal sectional view of embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 and 2, a plug comprises a plug body 1, a tail sleeve 3, a key 2, a connecting sleeve 4, a wire clamp 8 and a plug insulator, wherein the plug body 1 is of a cylindrical structure, the rear end of the plug body 1 is connected with the tail sleeve 3 through the connecting sleeve 4, the plug insulator is embedded and installed 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 vertically limited is axially formed in the upper surface of the plug body 1, the groove 11 is of a stepped structure with a shallow front part and a deep rear part, the front wall surface of the plug body 1 is thickened correspondingly to one side of the groove 11, a flat rectangular through hole 12 is axially formed in the middle of the front thickened layer of the plug body 1, the through hole 12 is inwardly connected with the groove 11, a lateral U-shaped protruding part 13 is arranged above the rear part of the plug body 1 corresponding to the rear part of the groove 11, a limiting part 22 abutting against and limiting the inner wall of the rear end of the protruding, the front end of the key 2 is inserted into the through hole 12 from the front end of the groove 11, and the rear end of the key 2 is abutted against the inner wall of the bulge 13 for limiting through the limiting part 22. The front part of the key 2 is convexly provided with a lock catch part 21 which is matched with the socket for splicing and locking, the lock catch part 21 is positioned at the front section position of the plug body 1 after the key 2 is assembled, when the plug is inserted into the socket, the lock catch part 21 is just locked with the corresponding lock catch position of the key in the socket, the rear end of the key 2 is formed with a convex button part, an elastic element 5 which enables the key 2 to have the trend of always popping outwards and enables the lock catch part 21 and the socket to be locked is supported between the lower surface of the button part and the bottom surface of the groove 11, the elastic element 5 adopts a spring or an elastic sheet, and the bottom of the button part 22 is concavely provided with a spring hole or a positioning groove for the upper end of the spring or. Be equipped with the waterproof dog 6 that has the water-proof effects who offsets with the preceding end of button 2 in the through-hole 12 of plug body 1, the longitudinal section of waterproof dog 6 is the dog of T style of calligraphy or taking the inclined plane, the front end of waterproof dog 6 is the elongated rectangular block with through-hole 12 assorted, the rear end is the bar piece that matches with the front end of button 2, waterproof dog 6 inlays to be put at the middle part of through-hole 11 and the sealed counterbalance of inner wall of through-hole 12, play the water-proof effects to button 2, the front end of waterproof dog 6 is located the well front portion position of through-hole 12, the shaping has the fixed arch that offsets with the front end of waterproof dog 6 on the lower surface of through-hole 12, the fixed arch of this embodiment is upwards turn over a turn-ups 14 of riveting shaping on the through-hole 12 front end opening part lower surface, turn-ups 14 offsets with the front end of waterproof dog 6, play the fixed action to. The rear end of the plug body 1 is provided with an external thread connecting section, the connecting sleeve 4 is of a sleeve structure with front and rear ends open and a large front section diameter and a small rear section diameter, the front end of the connecting sleeve 4 is provided with an internal thread hole corresponding to the external thread connecting section of the plug body 1, the plug body 1 and the connecting sleeve 4 are fixedly connected through threads, the outer side of the front end of the tail sleeve 3 is concavely provided with an annular clamping groove, the rear end of the connecting sleeve 4 is provided with a clamping ring clamped and positioned with the annular clamping groove, the wire clamp 8 is arranged in a cavity formed after the plug body 1 is connected with the connecting sleeve 4 and the tail sleeve 3, the front end of the wire clamp 8 is provided with two parallel clamping sheets, and the rear, wherein the clamping piece is inserted in the inner cavity of the plug body 1, the waterproof eight claws are arranged between the connecting sleeve 4 and the tail sleeve 3, the waterproof eight claws of the wire clamp 8 are internally provided with a waterproof sleeve 9, and the periphery of the rear end of the waterproof sleeve 9 is provided with an annular groove for the waterproof eight claws to be clamped in. In order to further increase the stability and the waterproof performance between the tail sleeve 3 and the cable, the rear end parts of the waterproof eight claws of the wire clamp 8 are conical surfaces, and a wire clamp waterproof ring 10 is arranged between the rear end parts and the inner wall of the tail sleeve 3.

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 plugging process, when the locking part 21 of the key 2 enters the key locking position of the socket, the key 2 bounces to lock the locking part 21 and the key locking position due to the elastic force of the elastic element 5, when the key 2 is pulled out, the locking part 21 of the key 2 moves downwards as long as the key 2 is pressed down to realize unlocking, and as the waterproof stop block 6 is arranged in the through hole of the plug body 1, the waterproof performance of the key 2 is effectively improved, the service life is prolonged, the key 2 is not easy to be blocked or fall off, the key 2 is convenient to pull and pull simultaneously, an anti-falling structure of the key 2 is not needed, the elastic hand feeling is particularly good, and a clear thud thud sound is generated when the plug is plugged; in addition, a flange 14 is formed on the lower surface of the opening of the through hole 12 in a flanging riveting mode, and the waterproof stop block 6 is fixed, so that glue does not need to be applied during assembly, assembly is very convenient, and production efficiency is high.

example 2

As shown in fig. 3, the difference from embodiment 1 lies in that the front portion of the waterproof stopper 6 of this embodiment is a shortened rectangular block matched with the through hole 12, the waterproof stopper 6 is embedded in the through hole 12 and abuts against the front end of the key 2, the front end of the waterproof stopper 6 is located at the middle rear portion of the through hole 12, the number of the fixing protrusions 15 of this embodiment is two, the lower surface of the through hole 12 is riveted and formed, the fixing protrusions 15 are respectively protruded at the middle portion and the middle front portion of the lower surface of the through hole 12, wherein the rear end of the rear fixing protrusion 15 abuts against the front end of the waterproof stopper 6, the front end of the fixing protrusion 15 in the through hole 12 is further embedded with a rectangular stopper 7, the rectangular stoppers 7 are two and are respectively embedded in the through hole 12 and located at the front sides of the two fixing protrusions 15, and the rectangular stopper 7 is arranged to perform waterproof sealing and increase the strength of the plug body 1, so that the structure of the plug, Is not easy to deform.

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

Claims (9)

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, and the recess that supplies the button to put into and spacing activity from top to bottom is seted up to the axial on the upper surface of plug body, and the through-hole that is connected with the recess is seted up to the preceding terminal surface upper portion axial of plug body, and in the front end of button inserted the through-hole, its characterized in that: the through hole is internally provided with a waterproof stop block which is abutted against the front end part of the key and has a waterproof function, and the lower surface of the through hole is riveted with a fixed bulge which is abutted against the front end of the waterproof stop block.

2. the plug of claim 1, wherein: the through-hole is the front end width assorted rectangular hole with the recess, the front portion of waterproof dog be with through-hole assorted rectangular block, the rear portion of waterproof dog be with the bar piece that the front end of button matches, waterproof dog inlays to be put in the through-hole and seals the counterbalance with the inner wall of through-hole.

3. The plug of claim 2, wherein: the front part of the waterproof stop block is a lengthened rectangular block matched with the through hole, the waterproof stop block is embedded in the through hole, the front end of the waterproof stop block is positioned at the middle front part of the through hole, the fixing bulge is a flanging formed by upward flanging the lower surface of the through hole, and the flanging is abutted and fixed with the front end of the waterproof stop block.

4. The plug of claim 2, wherein: the front part of the waterproof stop block is a shortened rectangular block matched with the through hole, the waterproof stop block is embedded in the through hole, the front end of the waterproof stop block is positioned at the middle rear part of the through hole, the fixing protrusion is at least one, the lower surface of the through hole is riveted and formed, the rear end of the fixing protrusion is abutted to the front end of the waterproof stop block, and the rectangular stop block is further embedded at the front end of the fixing protrusion in the through hole.

5. The plug of claim 4, wherein: the two fixing bulges are respectively arranged at the middle part and the middle front part of the lower surface of the through hole in a protruding manner, and the two corresponding rectangular stop blocks are respectively embedded in the through hole and positioned at the front sides of the two fixing bulges.

6. The plug according to any one of claims 1 to 5, wherein: the recess is the anterior shallow, the deep echelonment structure in rear portion, the anterior wall of plug body corresponds and is the thickening design with one side of recess, the through-hole is seted up in the intermediate position of the anterior thickening layer of plug body, the button is anterior epirelief be equipped with the hasp portion of socket cooperation grafting locking, it has the messenger button to have to pop out the trend outward all the time to support between the lower surface at button rear portion and the bottom surface of recess, make hasp portion and socket lock position realize the elastic element of locking, the upper end of plug body is equipped with the bellying of side U-shaped corresponding to the top at the rear portion of recess, the rear end of button is equipped with the spacing portion that offsets with the rear end inner wall of bellying.

7. The plug of claim 6, wherein: the button is characterized in that the locking part of the button is convexly arranged on the upper surface of the button close to the front end of the button, the locking part is arranged at the front section of the plug body after the button is assembled, a raised button part is formed at the rear end of the button, the elastic element adopts a spring or an elastic sheet, and the bottom of the button part is concavely provided with a spring hole or a positioning groove for the upper end of the spring or the elastic sheet to abut against and position.

8. The plug of claim 6, 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.

9. The plug of claim 8, 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.