CN219623287U - Plug valve convenient for replacing locking piece - Google Patents

Abstract

The utility model relates to the technical field of plug valves, and discloses a plug valve convenient for replacing a locking piece, which comprises a pipeline, a mounting ring and the locking piece, wherein the locking piece is in sliding connection with the pipeline, a clamping device is arranged in the pipeline, and the clamping device comprises: the clamping hole is formed in the surface of the pipeline, the telescopic spring is fixedly connected to the inner wall of the pipeline, the connecting bolt is detached when the locking piece needs to be replaced, the connecting piece, the locking piece and the fixing piece are not clamped, the connecting piece is pulled up through the handle, the fixing piece is pulled up, the locking piece is taken out, meanwhile, the reset spring fixedly connected with the bottom surface of the pipeline can push the clamping column upwards, water inside the pipeline cannot overflow when the locking piece is replaced, the whole pipeline does not need to be detached when the locking piece is replaced, the locking piece of the pipeline is replaced by the plug, and the pipeline is convenient and fast to use.

Description

Plug valve convenient for replacing locking piece

Technical Field

The utility model relates to the technical field of plug valves, in particular to a plug valve with a locking piece convenient to replace.

Background

In the construction of water supply or pipeline laying, a plug valve is generally used as a fluid switch control member, and the plug valve has the advantages of simple and convenient operation, rapid switch, less safety risk and the like. Its valve plug may be cylindrical or conical in shape. Most suitable for use as a shut-off and shut-on medium and shunt, but may sometimes be used for throttling depending on the nature of the application and erosion resistance of the sealing surfaces.

When the locking piece is replaced, the whole valve body is required to be disassembled, the plug is replaced on the pipeline, and then the locking piece in the valve body is replaced.

Most of existing plug valves need to detach the valve body and then replace the locking piece, so that the locking piece cannot be directly replaced, and a large number of bolts are needed when the locking piece is installed, so that the plug valve is not convenient and fast.

Disclosure of Invention

The utility model aims to provide a plug valve with a locking piece convenient to replace, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plug valve convenient to change locking piece, includes pipeline, collar and locking piece, locking piece and pipeline sliding connection, the inside of pipeline is provided with chucking device, chucking device includes: the clamping hole is formed in the surface of the pipeline, the inner wall of the pipeline is fixedly connected with a telescopic spring, one end, far away from the inner wall of the pipeline, of the telescopic spring is fixedly connected with a round head clamping rod, the locking piece is pulled to enable the locking piece to abut against the round head clamping rod, the round head clamping rod is enabled to shrink inwards through the telescopic spring, the locking piece is taken out, the round head clamping rod is penetrated by the limiting block, and the limiting block is fixedly connected with the round head clamping rod; the reset spring is fixedly connected with the bottom surface of the inner wall of the pipeline, one end of the reset spring, which is far away from the pipeline, is fixedly connected with a clamping column, and the locking piece is pulled to enable the locking piece to abut against the round head clamping rod, so that the clamping column is used for blocking the interior of the pipeline, water in the pipeline cannot overflow when the locking piece is replaced, and the whole pipeline does not need to be disassembled when the locking piece is replaced; the fixing piece, the fixing piece is run through by the locking piece, and fixing piece and locking piece sliding connection, the bottom surface fixedly connected with gag lever post and chucking dish of fixing piece, the draw-in groove has been seted up on the surface of chucking dish, presses the locking piece, makes the disc at locking piece middle part conflict button head clamping lever, makes the chucking Kong Kajin that gag lever post and pipeline surface of fixing piece bottom surface fixed connection offered.

Preferably, the number of the telescopic springs is four, and the four telescopic springs are arranged in a circumferential array with the central line of the pipeline as a symmetrical axis.

Preferably, the top of the fixing piece is cylindrical, and the cylindrical shape at the top of the fixing piece is provided with a threaded hole.

Preferably, the top of the locking piece is cylindrical, the cylindrical at the top of the locking piece is provided with a threaded hole, and the middle part of the locking piece is disc-shaped.

Preferably, the fixing piece penetrates through and is connected with the connecting piece in a sliding mode, and the surface of the connecting piece is provided with a threaded hole.

Preferably, the connecting piece is penetrated by the handle, and the handle is fixedly connected with the connecting piece.

Preferably, the clamping disc surface is provided with four groups of clamping grooves, the four groups of clamping grooves are respectively arranged in an array by taking the central line of the pipeline as an axis circumference, the limiting rods are respectively arranged in four groups, and the four groups of limiting rods are respectively arranged in an array by taking the central line of the pipeline as an axis circumference.

Preferably, the fixing piece, the locking piece and the connecting piece are connected through connecting bolts in a threaded mode.

Compared with the prior art, the utility model provides the plug valve with the convenience for replacing the locking piece, which has the following beneficial effects:

1. this plug valve convenient to change locking piece is when the locking piece needs to be changed, dismantle connecting bolt, thereby make connecting piece, locking piece and mounting no longer chucking, pull up the connecting piece through the handle, pull up the mounting simultaneously, take out the locking piece, simultaneously pipeline bottom surface fixed connection's reset spring can upwards promote the card post, make the inside water of pipeline can not overflow when changing the locking piece, need not dismantle whole pipeline when reaching to change the locking piece, replace the locking piece of changing the pipeline again with the end cap, convenient and fast.

2. This plug valve convenient to change locking piece inserts the inside of pipeline with the locking piece when the installation, presses the locking piece, makes the disc at locking piece middle part conflict button head kelly, makes button head kelly inwards shrink through telescopic spring to make the gag lever post to the stopper chucking, make button head kelly unable inwards shrink through telescopic spring, cup joint connecting piece and mounting again, with locking piece, connecting piece and mounting chucking through connecting bolt, be connected collar and feed pipe at last, accomplish the installation.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a fastener according to the present utility model;

FIG. 4 is a schematic view of a pipe structure according to the present utility model;

FIG. 5 is a schematic diagram of a cross-sectional structure of a pipeline according to the present utility model;

fig. 6 is a schematic view of the structure of the locking member of the present utility model.

In the figure: 1. a pipe; 2. a clamping device; 21. a clamping hole; 22. a telescopic spring; 23. a round head clamping rod; 24. a limiting block; 25. a return spring; 26. a clamping column; 27. a fixing member; 28. a limit rod; 29. clamping the disc; 210. a clamping groove; 3. a mounting ring; 4. a locking member; 5. a connecting piece; 6. a handle; 7. and (5) connecting bolts.

Detailed Description

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a plug valve convenient to change locking piece, includes pipeline 1, collar 3 and locking piece 4, locking piece 4 and pipeline 1 sliding connection, and pipeline 1's inside is provided with chucking device 2, and chucking device 2 includes: the clamping hole 21 is formed in the surface of the pipeline 1, the inner wall of the pipeline 1 is fixedly connected with a telescopic spring 22, one end, away from the inner wall of the pipeline 1, of the telescopic spring 22 is fixedly connected with a round head clamping rod 23, the locking piece 4 is pulled to enable the locking piece 4 to abut against the round head clamping rod 23, the round head clamping rod 23 is enabled to shrink inwards through the telescopic spring 22, the locking piece 4 is taken out, the round head clamping rod 23 is penetrated by a limiting block 24, and the limiting block 24 is fixedly connected with the round head clamping rod 23; the reset spring 25 is fixedly connected with the bottom surface of the inner wall of the pipeline 1, one end, far away from the pipeline 1, of the reset spring 25 is fixedly connected with the clamping column 26, the locking piece 4 is pulled to enable the locking piece 4 to abut against the round head clamping rod 23, the round head clamping rod 23 is retracted inwards through the telescopic spring 22, the locking piece 4 is taken out, meanwhile, the reset spring 25 fixedly connected with the bottom surface of the pipeline 1 can push the clamping column 26 upwards, so that the clamping column 26 blocks the interior of the pipeline 1, water in the pipeline 1 cannot overflow when the locking piece 4 is replaced, and the whole pipeline 1 does not need to be disassembled when the locking piece 4 is replaced; the mounting 27, mounting 27 is run through by locking piece 4, and mounting 27 and locking piece 4 sliding connection, the bottom surface fixedly connected with gag lever post 28 and chucking dish 29 of mounting 27, draw-in groove 210 has been seted up on the surface of chucking dish 29, press locking piece 4, make the disc at locking piece 4 middle part conflict button head clamping lever 23, make button head clamping lever 23 inwards shrink through telescopic spring 22, simultaneously locking piece 4 can promote card post 26 and move downwards, when locking piece 4 presses to a certain extent, button head clamping lever 23 is released by telescopic spring 22, thereby block locking piece 4, cup joint mounting 27 and locking piece 4 simultaneously and press downwards, make the chucking hole 21 that clamping lever 28 and pipeline 1 surface were seted up of mounting 27 bottom surface fixed connection. The number of the telescopic springs 22 is four, and the four groups of telescopic springs 22 are arranged in a circumferential array by taking the central line of the pipeline 1 as a symmetrical axis.

The top of the fixing member 27 is cylindrical, and a threaded hole is formed in the cylindrical shape of the top of the fixing member 27. The top of locking piece 4 is cylindrical, and the screw hole has been seted up to the cylindrical at locking piece 4 top, and the middle part of locking piece 4 is discoid. The fixing member 27 is penetrated and slidably connected with the connecting member 5, and a threaded hole is opened on the surface of the connecting member 5. The connecting piece 5 is penetrated by the handle 6, and the handle 6 is fixedly connected with the connecting piece 5. The clamping discs 29 are provided with four groups of clamping grooves 210 on the surface, the four groups of clamping grooves 210 are respectively arranged in an array with the central line of the pipeline 1 as an axis and circumference, the limiting rods 28 are respectively arranged in four groups, and the four groups of limiting rods 28 are respectively arranged in an array with the central line of the pipeline 1 as an axis and circumference. The fixing member 27, the locking member 4 and the connecting member 5 are screwed by the connecting bolt 7.

Working principle: this plug valve convenient to change locking piece is when locking piece 4 needs to be changed, dismantle connecting bolt 7, thereby make connecting piece 5, locking piece 4 and mounting 27 no longer chucking, pull up connecting piece 5 through handle 6, simultaneously pull up mounting 27, make the gag lever post 28 of mounting 27 bottom surface fixed connection no longer chucking stopper 24, pulling locking piece 4 makes locking piece 4 conflict button head clamping bar 23, make button head clamping bar 23 inwards shrink through telescopic spring 22, take out locking piece 4, simultaneously pipeline 1 bottom surface fixed connection's reset spring 25 can upwards promote clamping post 26, thereby make clamping post 26 block up pipeline 1 inside, make pipeline 1 inside water can not overflow when changing locking piece 4, need not dismantle whole pipeline 1 when reaching to change locking piece 4, replace the locking piece of changing pipeline 1 again with the end cap, it is convenient and fast.

This plug valve convenient to change locking piece inserts the inside of pipeline 1 with locking piece 4 when the installation, press locking piece 4, make the disc at locking piece 4 middle part conflict button head draw-in lever 23, make button head draw-in lever 23 inwards shrink through telescopic spring 22, simultaneously locking piece 4 can promote the draw-in post 26 and move downwards, press to a certain extent when locking piece 4, button head draw-in lever 23 is released by telescopic spring 22, thereby block locking piece 4, cup joint locking piece 27 and locking piece 4 simultaneously and press downwards, make the clamping hole 21 chucking of clamping hole 21 offered on fixing piece 27 bottom surface fixed connection and pipeline 1 surface, thereby make the clamping rod 28 to stopper 24 chucking, make button head draw-in lever 23 unable inwards shrink through telescopic spring 22, cup joint connecting piece 5 and fixing piece 27 again, with locking piece 4 through connecting bolt 7 chucking, connecting piece 5 and fixing piece 27, finally, connect installation ring 3 and feed pipe, accomplish the installation.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (8)

1. The utility model provides a plug valve convenient to change locking piece, includes pipeline (1), collar (3) and locking piece (4), its characterized in that: the locking piece (4) is connected with the pipeline (1) in a sliding mode, a clamping device (2) is arranged in the pipeline (1), and the clamping device (2) comprises:

the clamping hole (21), the clamping hole (21) is formed in the surface of the pipeline (1), the inner wall of the pipeline (1) is fixedly connected with a telescopic spring (22), one end, away from the inner wall of the pipeline (1), of the telescopic spring (22) is fixedly connected with a round head clamping rod (23), the round head clamping rod (23) is penetrated by a limiting block (24), and the limiting block (24) is fixedly connected with the round head clamping rod (23);

the return spring (25), the bottom surface of the inner wall of the pipeline (1) is fixedly connected with the return spring (25), one end of the return spring (25) far away from the pipeline (1) is fixedly connected with a clamping column (26);

the fixing piece (27), fixing piece (27) are run through by locking piece (4), and fixing piece (27) and locking piece (4) sliding connection, the bottom surface fixedly connected with gag lever post (28) and chucking dish (29) of fixing piece (27), draw-in groove (210) have been seted up on the surface of chucking dish (29).

2. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the number of the telescopic springs (22) is four, and the four telescopic springs (22) are arranged in a circumferential array by taking the central line of the pipeline (1) as a symmetrical axis.

3. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the top of the fixing piece (27) is cylindrical, and a threaded hole is formed in the cylindrical shape of the top of the fixing piece (27).

4. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the top of the locking piece (4) is cylindrical, a threaded hole is formed in the cylindrical shape of the top of the locking piece (4), and the middle of the locking piece (4) is disc-shaped.

5. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the fixing piece (27) penetrates through and is connected with the connecting piece (5) in a sliding mode, and a threaded hole is formed in the surface of the connecting piece (5).

6. A plug valve for facilitating replacement of a locking element as recited in claim 5, wherein: the connecting piece (5) is penetrated by the handle (6), and the handle (6) is fixedly connected with the connecting piece (5).

7. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the number of clamping grooves (210) formed in the surface of the clamping disc (29) is four, the four groups of clamping grooves (210) are respectively arranged in an axial and circumferential array by taking the central line of the pipeline (1), the number of limiting rods (28) is four, and the four groups of limiting rods (28) are respectively arranged in an axial and circumferential array by taking the central line of the pipeline (1).

8. A plug valve for facilitating replacement of a locking element as recited in claim 1, wherein: the fixing piece (27), the locking piece (4) and the connecting piece (5) are in threaded connection through the connecting bolt (7).