CN219570929U

CN219570929U - Double-communication ball valve with good sealing performance

Info

Publication number: CN219570929U
Application number: CN202320790119.8U
Authority: CN
Inventors: 马东飞; 任广伟
Original assignee: Vof Valve Manufacturing Co ltd
Current assignee: Vof Valve Manufacturing Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-22
Anticipated expiration: 2033-04-11

Abstract

The utility model belongs to the technical field of ball valves, and particularly relates to a double-communication ball valve with good sealing performance, which comprises two ball valve bodies and two driving shafts, wherein the top of each ball valve body is fixedly connected with a same top plate, the inner wall of the top of each ball valve body is rotationally connected with the same valve body on the inner wall of the bottom, and synchronous adjusting assemblies are arranged among the top plates, the two driving shafts and the two valve bodies. The utility model has reasonable structural design, when the adjusting, the bolt can be pulled up to separate from the fixed groove without locking the driving shaft, at the moment, the two ball valve bodies can be synchronously adjusted, after the adjusting is finished, the pull rod is loosened, at the moment, the bolt is inserted into the corresponding fixed groove under the elasticity of the reset spring, so that the driving shaft and the valve bodies can be locked, and the situation that the two ball valve bodies pass through different volumes of liquid due to the rotation displacement of the valve bodies is avoided.

Description

Double-communication ball valve with good sealing performance

Technical Field

The utility model relates to the technical field of ball valves, in particular to a double-communication ball valve with good sealing performance.

Background

In general, the structure of the duplex ball valve is a duplex L-shaped floating three-way ball valve. The ball valve uses a handle or a worm gear manual device. Two L-shaped three-way ball valves are operated, and the two actions must be completely synchronized, so that one is in an open state and the other is in a closed state.

And (3) searching: the utility model provides a authorize duplex ball valve that sealing performance is good, including the same and parallel arrangement's of structure first ball valve and second ball valve, the top fixedly connected with of first ball valve and second ball valve is the same bottom plate, the top of bottom plate is equipped with puts the thing groove, the inside of first ball valve is equipped with the valve body, the inner wall junction of valve body and first ball valve is equipped with first sealing washer, the top fixedly connected with of valve body adjusts the pole, the bottom plate that the bottom plate of first ball valve was passed to the top of adjusting the pole extends to put the thing inslot, the top fixedly connected with disc of adjusting the pole, first dead lever and second dead lever are fixed respectively at the top of the disc on the first ball valve and the disc on the second ball valve, all be equipped with protruding structure on the disc outer wall on the disc on the first ball valve and the second ball valve.

However, the double-communication ball valve with good sealing performance has the defect that although the two ball valves can be synchronously regulated and controlled, a structure for fixing the valve body and the regulating rod is not arranged after the regulation, and under the hydraulic pressure of liquid flowing in the ball valve, the valve body is easy to generate rotary displacement so that the volumes of the two ball valves passing through the liquid are different, so that the double-communication ball valve with good sealing performance is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects, and provides the double-communication ball valve with good sealing performance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a duplex ball valve that sealing performance is good, includes two ball valve bodies and two drive shafts, two the top fixedly connected with of ball valve body is same roof, rotate on the top inner wall of ball valve body and the bottom inner wall and be connected with same valve body, roof, two drive shaft and two be provided with synchronous regulation subassembly between the valve body the drive shaft of front side with be provided with valve body locking subassembly between the roof, valve body locking subassembly with synchronous regulation subassembly cooperatees.

Preferably, the synchronous adjusting assembly comprises chain wheels fixedly sleeved on the outer sides of the driving shafts, two chain wheels are connected with the same transmission chain in a transmission mode, and the two driving shafts are respectively and fixedly connected to the tops of the corresponding valve bodies.

Preferably, both the sprocket and the drive chain are located in the top plate.

Preferably, the valve body locking assembly comprises a fixed disc fixedly connected to the top of the top plate and a hand wheel fixedly connected to the front side of the top of the driving shaft, a hollow handle is fixedly connected to the top of the hand wheel, a reset spring is fixedly connected to the inner wall of the top end of the hollow handle, a bolt is fixedly connected to the bottom end of the reset spring, a plurality of fixed grooves are formed in the top of the fixed disc, the bolts are movably clamped in the corresponding fixed grooves, and a pull rod is fixedly connected to the top end of the bolt.

Preferably, the top end of the pull rod extends to the upper part of the hollow handle and is fixedly connected with a hand-held ball.

Preferably, a through hole is formed in the top of the hand wheel, and the bolt is slidably sleeved in the through hole.

Preferably, the top of the fixed disk is provided with a limiting hole, and the driving shaft at the front side is movably sleeved in the limiting hole.

Preferably, sealing sleeves are fixedly connected to the inner wall of the top and the inner wall of the bottom of the ball valve body, sealing rings are fixedly sleeved on the outer side of the valve body, and the sealing rings are in sliding connection with the sealing sleeves.

According to the duplex ball valve with good sealing performance, through the arrangement of the driving shaft, the chain wheel, the driving chain and the valve body, the two ball valve bodies are conveniently and synchronously adjusted, so that the liquid flow in the two ball valve bodies is the same, and through the arrangement of the sealing ring and the sealing sleeve, the sealing performance between the valve body and the ball valve body is improved, and the sealing effect is better.

According to the double-communication ball valve with good sealing performance, through the arrangement of the fixed disc, the fixed groove, the bolt, the pull rod, the handheld ball, the hollow handle and the reset spring, when the double-communication ball valve is adjusted, the bolt can be pulled upwards to separate from the fixed groove without locking the driving shaft, at the moment, two valve bodies can be synchronously adjusted, after the pull rod is released after the adjustment, the bolt is inserted into the corresponding fixed groove under the elasticity of the reset spring at the moment, and then the driving shaft and the valve bodies can be locked, so that the situation that the two ball valve bodies pass through different volumes of liquid due to rotational displacement of the valve bodies is avoided.

The utility model has reasonable structural design, when the adjusting, the bolt can be pulled up to separate from the fixed groove without locking the driving shaft, at the moment, the two ball valve bodies can be synchronously adjusted, after the adjusting is finished, the pull rod is loosened, at the moment, the bolt is inserted into the corresponding fixed groove under the elasticity of the reset spring, so that the driving shaft and the valve bodies can be locked, and the situation that the two ball valve bodies pass through different volumes of liquid due to the rotation displacement of the valve bodies is avoided.

Drawings

FIG. 1 is a schematic structural view of a double-communication ball valve with good sealing performance;

FIG. 2 is a cross-sectional view of a double-communication ball valve with good sealing performance according to the utility model;

fig. 3 is a schematic structural diagram of a portion a in fig. 2.

In the figure: 1. a ball valve body; 2. a top plate; 3. a fixed plate; 4. a fixing groove; 5. a plug pin; 6. a hollow handle; 7. a hand held ball; 8. a hand wheel; 9. a drive shaft; 10. a sprocket; 11. a drive chain; 12. a valve body; 13. a seal ring; 14. sealing sleeve; 15. a limiting hole; 16. a through hole; 17. a return spring; 18. and (5) a pull rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a duplex ball valve with good sealing performance comprises two ball valve bodies 1 and two driving shafts 9, wherein the top of the two ball valve bodies 1 is fixedly connected with a same top plate 2, the top inner wall of the ball valve body 1 and the bottom inner wall are rotationally connected with a same valve body 12, a synchronous adjusting assembly is arranged among the top plate 2, the two driving shafts 9 and the two valve bodies 12, a valve body locking assembly is arranged between the driving shaft 9 at the front side and the top plate 2, and the valve body locking assembly is matched with the synchronous adjusting assembly.

In the utility model, the synchronous adjusting assembly comprises chain wheels 10 fixedly sleeved on the outer sides of driving shafts 9, the two chain wheels 10 are in transmission connection with the same transmission chain 11, the two driving shafts 9 are respectively and fixedly connected to the tops of corresponding valve bodies 12, one driving shaft 9 is rotated, the two driving shafts 9 synchronously rotate under the transmission of the two chain wheels 10 and the transmission chain 11, the two driving shafts 9 drive the two valve bodies 12 to synchronously rotate in corresponding ball valve bodies 1, and then the two ball valve bodies 1 can be synchronously adjusted synchronously, so that the liquid flow in the two ball valve bodies 1 is the same.

In the utility model, the two chain wheels 10 and the driving chain 11 are both positioned in the top plate 2, so that the chain wheels 10 and the driving chain 11 are conveniently protected.

According to the utility model, the valve body locking assembly comprises a fixed disc 3 fixedly connected to the top of a top plate 2 and a hand wheel 8 fixedly connected to the top end of a driving shaft 9 at the front side, the top of the hand wheel 8 is fixedly connected with a hollow handle 6, the inner wall of the top end of the hollow handle 6 is fixedly connected with a reset spring 17, the bottom end of the reset spring 17 is fixedly connected with a plug pin 5, the top of the fixed disc 3 is provided with a plurality of fixed grooves 4, the plug pin 5 is movably clamped in the corresponding fixed groove 4, the top end of the plug pin 5 is fixedly connected with a pull rod 18, when the valve bodies 12 in two ball valve bodies 1 are required to be regulated, the pull rod 18 is pulled by a hand-held ball 7, the pull rod 18 drives the plug pin 5 to move upwards and squeeze the reset spring 17, so that the plug pin 5 moves upwards to be separated from the fixed groove 4 without locking the hand wheel 8, at the moment, after the regulation, the plug pin 5 moves downwards and is clamped in the corresponding fixed groove 4 under the reset spring 17, the condition that the elastic force of the hand wheel 8 is locked, and then the driving shaft 9 and the valve bodies 12 can be locked, and the volume of the two valve bodies can be prevented from moving under the condition that the two valve bodies are not in the same.

In the utility model, the top end of the pull rod 18 extends to the upper part of the hollow handle 6 and is fixedly connected with the handheld ball 7, so that the pull rod 18 is conveniently pulled.

According to the utility model, the through hole 16 is formed in the top of the hand wheel 8, and the bolt 5 is slidably sleeved in the through hole 16, so that the bolt 5 is conveniently guided, and the movement of the bolt is smoother.

In the utility model, the top of the fixed disc 3 is provided with the limiting hole 15, and the driving shaft 9 at the front side is movably sleeved in the limiting hole 15, so that the driving shaft 9 is conveniently guided, and the rotation of the driving shaft is more stable and smooth.

In the utility model, the sealing sleeves 14 are fixedly connected on the top inner wall and the bottom inner wall of the ball valve body 1, the sealing rings 13 are fixedly sleeved on the outer sides of the valve bodies 12, the sealing rings 13 are in sliding connection with the sealing sleeves 14, and the sealing rings 13 and the sealing sleeves 14 are arranged, so that the tightness between the valve bodies and the ball valve body is improved, and the sealing effect is better.

When the valve body 12 in the two ball valve bodies 1 is required to be adjusted in operation, the pull rod 18 is pulled by the hand-held ball 7, the pull rod 18 drives the bolt 5 to move upwards and extrude the return spring 17, and then the bolt 5 moves upwards to be separated from the fixed groove 4 without locking the hand wheel 8, at the moment, a person can rotate the hand wheel 8 through the hollow handle 6, the hand wheel 8 drives one driving shaft 9 to rotate, the two driving shafts 9 synchronously rotate under the transmission of the two chain wheels 10 and the transmission chain 11, the two driving shafts 9 drive the two valve bodies 12 to synchronously rotate in the corresponding ball valve bodies 1, and then the two ball valve bodies 1 can be synchronously adjusted, so that the liquid flow rate in the two ball valve bodies 1 is the same, after the adjustment, the bolt 5 moves downwards and is clamped in the corresponding fixed groove 4 under the elasticity of the return spring 17, and then the hand wheel 8 can be locked, and the driving shafts 9 and 12 can be locked, and the situation that the two valve bodies 12 rotate in the corresponding ball valve bodies 1 are not displaced by the volume of the two ball valve bodies 1 is avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a duplex ball valve that sealing performance is good, its characterized in that includes two ball valve bodies (1) and two drive shafts (9), two the top fixedly connected with of ball valve body (1) is same roof (2), rotate on the top inner wall of ball valve body (1) and the bottom inner wall and be connected with same valve body (12), roof (2), two drive shafts (9) and two be provided with synchronous regulation subassembly between valve body (12), the front side drive shaft (9) with be provided with valve body locking subassembly between roof (2), valve body locking subassembly with synchronous regulation subassembly cooperatees.

2. The double-communication ball valve with good sealing performance according to claim 1, wherein the synchronous adjusting assembly comprises chain wheels (10) fixedly sleeved on the outer sides of the driving shafts (9), the two chain wheels (10) are in transmission connection with the same transmission chain (11), and the two driving shafts (9) are respectively and fixedly connected to the tops of the corresponding valve bodies (12).

3. A double-communication ball valve with good sealing performance according to claim 2, characterized in that both the sprocket wheels (10) and the drive chain (11) are located in the top plate (2).

4. The double-communication ball valve with good sealing performance according to claim 1, wherein the valve body locking assembly comprises a fixed disc (3) fixedly connected to the top of the top plate (2) and a hand wheel (8) fixedly connected to the top of the driving shaft (9) at the front side, the top of the hand wheel (8) is fixedly connected with a hollow handle (6), a reset spring (17) is fixedly connected to the inner wall of the top end of the hollow handle (6), a bolt (5) is fixedly connected to the bottom end of the reset spring (17), a plurality of fixed grooves (4) are formed in the top of the fixed disc (3), the bolt (5) is movably clamped in the corresponding fixed groove (4), and a pull rod (18) is fixedly connected to the top end of the bolt (5).

5. The double-communication ball valve with good sealing performance according to claim 4, wherein the top end of the pull rod (18) extends to the upper part of the hollow handle (6) and is fixedly connected with a handheld ball (7).

6. The double-communication ball valve with good sealing performance according to claim 4, wherein a through hole (16) is formed in the top of the hand wheel (8), and the bolt (5) is slidably sleeved in the through hole (16).

7. The double-communication ball valve with good sealing performance according to claim 6, wherein a limiting hole (15) is formed in the top of the fixed disc (3), and the driving shaft (9) at the front side is movably sleeved in the limiting hole (15).

8. The double-communication ball valve with good sealing performance according to claim 1, wherein sealing sleeves (14) are fixedly connected to the top inner wall and the bottom inner wall of the ball valve body (1), sealing rings (13) are fixedly sleeved on the outer side of the valve body (12), and the sealing rings (13) are in sliding connection with the sealing sleeves (14).