CN216200731U

CN216200731U - Ball valve convenient to loading and unloading are maintained

Info

Publication number: CN216200731U
Application number: CN202121388316.4U
Authority: CN
Inventors: 江永强
Original assignee: Jiangsu Decon Valve Manufacturing Co ltd
Current assignee: Jiangsu Decon Valve Manufacturing Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-04-05
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a ball valve convenient to assemble, disassemble and maintain, relates to the technical field of valve structures, and solves the problem that in the prior art, a valve seat in the ball valve is inconvenient to maintain and repair. The valve comprises a first valve body and a second valve body which are connected with each other, wherein a valve cavity and a first through hole communicated with the valve cavity are arranged in the first valve body, the second valve body is arranged on the opening side of the valve cavity in a blocking manner, and a second through hole communicated with the valve cavity is arranged in the second valve body; a ball body is arranged in the valve cavity, a valve rod used for driving the ball body to rotate is arranged in the first valve body, a flow port penetrates through the ball body, and the rotating position of the ball body comprises an opening position and a closing position, wherein the first through hole and the second through hole are communicated through the flow port; the first valve body comprises an inner side installation barrel and a first valve seat located between the installation barrel and the ball body, the first valve seat is abutted to the periphery of one side of the ball body, and the second valve body comprises a second valve seat abutted to the periphery of the other side of the ball body. The service life of the valve seat is prolonged, and the repairing effect of parts such as the valve seat in the ball valve is facilitated.

Description

Ball valve convenient to loading and unloading are maintained

Technical Field

The utility model relates to the technical field of valve structures, in particular to a ball valve convenient to assemble, disassemble and maintain.

Background

The valve with the opening and closing part (ball body) in the ball valve driven by the valve rod and rotating around the axis of the ball valve can also be used for regulating and controlling fluid, wherein the multi-way ball valve can flexibly control the converging, the diverging and the flow direction switching of media on a pipeline, and can also close any channel to connect the other two channels.

However, in the existing ball valve, the valve seat is easy to fail, so that the problems of water leakage and the like are caused, and the valve seat can be taken out only by integrally disassembling the ball valve after the failure, so that the maintenance and repair of the valve seat in the ball valve are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ball valve convenient to assemble, disassemble and maintain, which can prolong the service life of a valve seat and is convenient to maintain and repair parts such as the valve seat in the ball valve.

The technical purpose of the utility model is realized by the following technical scheme:

a ball valve convenient for assembly, disassembly and maintenance comprises a first valve body and a second valve body which are mutually connected, wherein a valve cavity and a first through hole communicated with the valve cavity are arranged in the first valve body, the second valve body is arranged on the opening side of the valve cavity in a blocking manner, and a second through hole communicated with the valve cavity is arranged in the second valve body;

a ball body is arranged in the valve cavity, a valve rod used for driving the ball body to rotate is arranged in the first valve body, a flow port penetrates through the ball body, and the rotating position of the ball body comprises an opening position at which the first through hole and the second through hole are communicated through the flow port and a closing position at which the first through hole and the second through hole are separated through the peripheral surface of the ball body; the first valve body comprises an inner side installation barrel and a first valve seat located between the installation barrel and the ball body, the first valve seat is abutted to the periphery of one side of the ball body, and the second valve body comprises a second valve seat abutted to the periphery of the other side of the ball body.

Furthermore, elastic pieces are arranged between the mounting cylinder and the first valve seat and between the second valve seat and the second valve body.

Furthermore, the elastic element comprises a plurality of springs arranged in the mounting cylinder or the second valve seat, and the outer ends of the springs abut against the corresponding first valve seat or the second valve seat and push the springs to abut against the periphery of the ball body.

Furthermore, the periphery of the installation cylinder is provided with a positioning strip, and the inner periphery of the first valve body is provided with a positioning groove matched with the positioning strip.

Furthermore, the mounting cylinder and the second valve seat comprise a filter screen connected at the inner end.

Furthermore, the periphery of the filter screen is fixed with a fixing ring, and the fixing ring is in threaded connection with the outside of the corresponding mounting cylinder or the second valve seat.

Furthermore, the top of the valve rod is connected with an operating rod, the operating rod is connected with a sliding block, the sliding block slides along the direction close to or far away from the first valve body, the first valve body is provided with a plurality of jacks matched with the sliding block, and the positions of the jacks at least comprise an opening position and a closing position corresponding to the ball body.

Furthermore, the sliding block is inboard to be the T type, and the vertical T type groove rather than the looks adaptation is seted up to control lever one end, and the sliding block slides from top to bottom through T type groove and connects on the control lever.

In conclusion, the utility model has the following beneficial effects:

through the arrangement of the second valve seat and the mounting cylinder, parts such as a maintenance valve seat and the like can be replaced without taking out the ball body, so that the parts such as the valve seat and the like in the ball valve can be maintained and repaired conveniently;

through the arrangement of the filter screen and the elastic piece, the service life of internal parts of the valve is prolonged;

the opening and closing positions of the valve can be fixed through the sliding blocks, the touch caused by falling, leaning and the like is avoided to a certain extent, and the possibility of misoperation is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure, 1, a first valve body; 11. mounting the cylinder; 12. a first valve seat; 2. a second valve body; 21. a second valve seat; 22. a spring; 23. a filter screen; 3. a sphere; 31. a valve stem; 4. a joystick; 41. and a slider.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the utility model.

The utility model provides a ball valve convenient to loading and unloading are maintained, as shown in figure 1, includes first valve body 1 and second valve body 2 through screw interconnect, is equipped with the valve pocket in the first valve body 1 and the first through-hole that is linked together with the valve pocket, and valve pocket opening side is located in keeping off to the second valve body 2, and is equipped with the second through-hole that is linked together with the valve pocket in it, and first through-hole and second through-hole are coaxial with footpath setting.

As shown in fig. 1, a ball 3 is arranged in the valve cavity, a valve rod 31 for driving the ball 3 to rotate is rotatably connected in the first valve body 1, a horizontal through hole penetrates through the ball 3, the rotating position of the ball 3 comprises an opening position at which a first through hole and a second through hole are communicated through the through hole, and a closing position at which the first through hole and the second through hole are separated through the outer peripheral surface of the ball 3; the first valve body 1 comprises an inner mounting tube 11 and a first valve seat 12 positioned between the mounting tube 11 and the ball 3, the first valve seat 12 abuts against the periphery of one side of the ball 3, and the second valve body 2 comprises a second valve seat 21 abutting against the periphery of the other side of the ball 3.

As shown in fig. 1 and 2, elastic members are arranged between the mounting tube 11 and the first valve seat 12, and between the second valve seat 21 and the second valve body 2; the elastic element comprises a plurality of springs 22 arranged in the mounting cylinder 11 or the second valve seat 21, and the outer ends of the springs 22 are abutted against the corresponding first valve seat 12 or the second valve seat 21 and push the springs to be abutted against the periphery of the ball body 3;

in this embodiment, the installation tube 11 and the inner end of the second valve body 2 are both provided with a circle of installation grooves, the end portions of the spring 22, the first valve seat 12 or the second valve seat 21 are all installed in the installation grooves, and the inner circumferential surface of the first valve seat 12 or the second valve seat 21 is provided with a plurality of sealing rings through grooves and is installed on the inner circumferential surface of the installation groove in a sealing manner through the sealing rings.

As shown in fig. 1, 11 outer ends of the installation cylinder are integrally connected with a flange, a plurality of threaded holes for fixing other pipe fittings are formed in the flange, a positioning strip is arranged on the outer periphery of the installation cylinder 11, a positioning groove matched with the positioning strip is formed in the inner periphery of the first valve body 1, and the installation position of the installation cylinder 11 at each time is fixed to avoid the situation that the positions of the threaded holes do not correspond after disassembly and assembly.

As shown in fig. 1, the mounting cylinder 11 and the second valve seat 21 each include a filter screen 23 connected at an inner end; the periphery of the filter screen 23 is fixed with a fixing ring, and the fixing ring is in threaded connection with the outside of the corresponding mounting cylinder 11 or the second valve seat 21 so as to filter fluid and prolong the service life of the ball 3 and internal parts.

As shown in fig. 1, the top of the valve rod 31 is connected with an operating lever 4, one end of the operating lever 4, which is far away from the handle, extends downwards to form a fixed block, the fixed block is connected with a sliding block 41, the sliding block 41 slides (slides vertically) along a direction close to or far away from the first valve body 1, the first valve body 1 is provided with three insertion holes matched with the sliding block 41, and the positions of the insertion holes include an opening position, a closing position, and a half-opening position between the opening position and the closing position, which corresponds to the sphere 3;

the inboard T type that is of sliding block 41, the vertical T type groove rather than the looks adaptation is seted up to the fixed block lateral surface, and sliding block 41 slides from top to bottom through T type groove and connects on control rod 4, and T type groove top is connected with stop screw, and the sliding block 41 outside is equipped with the convenient stirring of clutch blocks and upwards.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a ball valve convenient to loading and unloading are maintained which characterized in that: the valve comprises a first valve body (1) and a second valve body (2) which are connected with each other, wherein a valve cavity and a first through hole communicated with the valve cavity are arranged in the first valve body (1), the second valve body (2) is arranged on the opening side of the valve cavity in a blocking manner, and a second through hole communicated with the valve cavity is arranged in the second valve body;

a ball body (3) is arranged in the valve cavity, a valve rod (31) used for driving the ball body (3) to rotate is arranged in the first valve body (1), a flow port penetrates through the ball body (3), the rotating position of the ball body (3) comprises an opening position at which the first through hole and the second through hole are communicated through the flow port, and a closing position at which the first through hole and the second through hole are separated through the peripheral surface of the ball body (3); the first valve body (1) comprises an inner side installation barrel (11) and a first valve seat (12) located between the installation barrel (11) and the ball body (3), the first valve seat (12) abuts against the periphery of one side of the ball body (3), and the second valve body (2) comprises a second valve seat (21) which abuts against the periphery of the other side of the ball body (3);

the periphery of the installation cylinder (11) is provided with a positioning strip, and the inner periphery of the first valve body (1) is provided with a positioning groove matched with the positioning strip.

2. A ball valve for facilitating handling and maintenance according to claim 1, wherein: elastic pieces are arranged between the mounting cylinder (11) and the first valve seat (12) and between the second valve seat (21) and the second valve body (2).

3. A ball valve for facilitating handling and maintenance according to claim 2, wherein: the elastic piece comprises a plurality of springs (22) arranged in the installation barrel (11) or the second valve seat (21), and the outer ends of the springs (22) are abutted to the corresponding first valve seat (12) or the second valve seat (21) and pushed to abut to the periphery of the ball body (3).

4. A ball valve for facilitating handling and maintenance according to claim 1, wherein: the mounting cylinder (11) and the second valve seat (21) both comprise a filter screen (23) connected at the inner end.

5. A ball valve for facilitating handling and maintenance according to claim 4, wherein: the periphery of the filter screen (23) is fixed with a fixing ring, and the fixing ring is in threaded connection with the outside of the corresponding mounting cylinder (11) or the second valve seat (21).

6. A ball valve for facilitating handling and maintenance according to claim 1, wherein: valve rod (31) top is connected with control rod (4), is connected with sliding block (41) on control rod (4), and sliding block (41) slide along being close to or keeping away from first valve body (1) direction, are equipped with a plurality of jacks with sliding block (41) looks adaptation on first valve body (1), and the position of jack is at least including its opening position and the closed position corresponding to spheroid (3).

7. A ball valve for facilitating handling and maintenance according to claim 6, wherein: the slider (41) inboard is the T type, and control rod (4) one end is seted up rather than the vertical T type groove of looks adaptation, and slider (41) slide from top to bottom through T type groove and are connected on control rod (4).