CN219933096U

CN219933096U - Ball valve difficult to leak

Info

Publication number: CN219933096U
Application number: CN202320989355.2U
Authority: CN
Inventors: 范家诚; 范宏
Original assignee: Zhejiang Wonston Valve Co ltd
Current assignee: Zhejiang Wonston Valve Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-31
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to the technical field of ball valves, in particular to a ball valve which is difficult to leak, and the ball valve comprises a shell, wherein balls are arranged in the shell, bolts are inserted into the inner wall threads of the shell, a first cover plate is sleeved on the surface of each bolt, a second cover plate is sleeved on the surface of each bolt, a water outlet is fixedly connected to one side, far away from the shell, of each first cover plate, a water inlet is fixedly connected to one side, far away from the shell, of each second cover plate, a replacement device is fixedly connected to one side, close to the shell, of each first cover plate and one side, close to the shell, of each second cover plate, each four fixing plates is respectively fixedly connected to one side, close to the shell, of each first cover plate, of each fixing plate is provided with a first sliding groove, and the surfaces of the first sliding grooves on each fixing plate are respectively and slidably connected with sliding strips. The utility model solves the problem of the reduction of the sealing performance of the ball valve caused by the aging or the rust occurrence of parts in the long-term use process of the ball valve.

Description

Ball valve difficult to leak

Technical Field

The utility model relates to the technical field of ball valves, in particular to a ball valve which is not easy to leak.

Background

The valve is mainly used for adjusting and controlling flowing liquid in a pipeline, in the prior art, the ball valve controls the rotation of a ball body through a valve rod, and the opening and closing of the pipeline where the ball valve is located are realized, so that the adjustment and control of the flowing liquid in the pipeline are completed.

One chinese patent with publication number CN218598862U discloses a ball valve, a spherical valve core is rotatably connected inside a main housing, a through channel is provided at the center of the spherical valve core, an electric driving component is mounted at the top of the main housing, and the electric driving component is fixed with the top end of the spherical valve core by inserting through a rotary rod of the main housing; the left shell and the right shell are fixed on two sides of the main shell through bolts penetrating through four corner positions of the main shell, a liquid inlet connecting port is integrally formed in the center of the left shell, and a liquid outlet connecting port is integrally formed in the center of the right shell; and an abutting ring which abuts against the outer wall of the spherical valve core is arranged at the joint of the main shell and the left shell and the right shell respectively. According to the utility model, the left shell and the right shell can be taken down from the two ends of the main shell respectively by unscrewing the bolts, so that the abutting rings positioned on the two sides of the main shell can be taken out, then the electric driving assembly is opened, the rotary rod is pulled out, the whole ball valve is disassembled, the quick replacement of damaged parts in the ball valve is facilitated, and the use cost is reduced.

In view of the above and related art, the inventors believe that there is often a defect that the leak occurs due to the decrease in the sealing property of the ball valve caused by the aging or occurrence of rust of parts during the long-term use of the ball valve.

Accordingly, the present utility model provides a ball valve that is not prone to leakage.

Disclosure of Invention

The utility model aims to solve the defect that in the prior art, in the long-term use process of a ball valve, the sealing performance of the ball valve is reduced due to ageing or corrosion of components, and provides a ball valve which is not easy to leak.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a be difficult for revealing the ball valve, includes the casing, the internally mounted of casing has the ball, the inner wall screw thread of casing is inserted and is equipped with the bolt, the surface cover of bolt has first apron, the surface cover of bolt has the second apron, one side fixedly connected with delivery port of casing is kept away from to first apron, one side fixedly connected with water inlet of casing is kept away from to the second apron, one side that first apron and second apron are close to the casing is equal fixedly connected with change device, change device includes four fixed plates, four fixed plate respectively fixed connection is in one side that first apron and second apron are close to the casing, four first spout has all been seted up on the surface of fixed plate, four equal sliding connection in surface of first spout has the slide on the fixed plate, the opposite side of slide glues the sealing strip.

The effects achieved by the components are as follows: the sliding strip of the first sliding groove which is connected on the fixed plate in a sliding way enables the sealing strip to be detached and installed.

Preferably, a sliding hole is formed in one side, close to the sealing strip, of the fixing plate, a first spring is fixedly connected to the surface of the sliding hole, and a sliding rod is fixedly connected to the other end of the first spring.

The effects achieved by the components are as follows: the first spring prevents the sliding rod from being separated from the fixed plate, and can assist the sliding rod to move.

Preferably, one end of the sliding rod far away from the fixed plate is fixedly connected with a rectangular block, and one end of the sliding strip near the fixed plate is fixedly connected with a connecting rod.

The effects achieved by the components are as follows: the slide bar enables the rectangular block to be connected with the fixed plate.

Preferably, the inner wall sliding connection of rectangle piece has the inserted bar, the one end fixedly connected with clamp plate that the connecting rod was kept away from to the inserted bar, the surface cover of inserted bar has the second spring, the both ends of second spring are respectively with rectangle piece and clamp plate fixed connection.

The effects achieved by the components are as follows: the second spring ensures that the inserted link cannot be separated from the rectangular block, and the inserted link can be controlled to move by the pressing plate.

Preferably, the lower surface of casing is equipped with positioner, positioner includes the horizontal pole, horizontal pole sliding connection is at the lower surface of casing, the equal fixedly connected with longitudinal rod in both sides of horizontal pole, the equal fixedly connected with first fixture block in both ends of horizontal pole.

The effects achieved by the components are as follows: the first clamping block can play a limiting role, so that the positioning function is realized.

Preferably, a second sliding groove is formed in one end, far away from the transverse rod, of the longitudinal rod, a sliding block is connected to the surface of the second sliding groove on the longitudinal rod in a sliding mode, and a second clamping block is fixedly connected to one side, far away from the shell, of the sliding block.

The effects achieved by the components are as follows: the second clamping block can buckle the shell so as to fix the position of the cross rod, and the positioning function is achieved.

Preferably, one end of the longitudinal rod, which is close to the sliding block, is fixedly connected with a bolt, and the surface of the bolt is sleeved with a rotating plate.

The effects achieved by the components are as follows: the rotating plate sleeved on the surface of the bolt can rotate, and the limit on the sliding block can be relieved by rotating the rotating plate.

To sum up:

1. according to the utility model, when the sealing strip needs to be replaced, the bolts are detached firstly, then the first cover plate and the second cover plate are moved away from the shell, the pressing plate is pulled to enable the inserting rod to be away from the connecting rod, the sealing strip is moved away from the fixing plate, after the replacement of a new sealing strip is completed, the pressing plate is loosened, and the inserting rod is close to the connecting rod and limits the connecting rod under the action of the elastic force of the second spring, so that the replacement of the sealing strip is realized.

2. In the utility model, when the ball valve is assembled, the cross rod and the vertical rod are moved close to the shell, the first cover plate and the second cover plate are positioned by the first clamping block, the rotary plate rotates on the surface of the bolt, so that the rotary plate is far away from the second sliding groove, then the second clamping block is moved close to the vertical rod, the sliding block is clamped into the second sliding groove on the vertical rod, and the rotary plate is close to the sliding block, so that the first cover plate, the second cover plate and the shell are fixed.

Drawings

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

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is a schematic view of the partial structure of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A of FIG. 3;

FIG. 5 is a schematic view of the partial structure of FIG. 2 according to the present utility model;

fig. 6 is an enlarged view of fig. 5B in accordance with the present utility model.

Legend description: 1. a housing; 2. a first cover plate; 3. a second cover plate; 4. a bolt; 5. a water inlet; 6. a water outlet; 7. a ball; 8. replacing the device; 801. a fixing plate; 802. a sealing strip; 803. a first spring; 804. a slide bar; 805. rectangular blocks; 806. a connecting rod; 807. a slide bar; 808. a rod; 809. a second spring; 810. a pressing plate; 9. a positioning device; 91. a cross bar; 92. a longitudinal bar; 93. a first clamping block; 94. a second clamping block; 95. a slide block; 96. a plug pin; 97. and (5) rotating the plate.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a difficult ball valve that reveals, including casing 1, the internally mounted of casing 1 has ball 7, the inner wall screw thread of casing 1 is inserted and is equipped with bolt 4, the surface cover of bolt 4 has first apron 2, the surface cover of bolt 4 has second apron 3, one side fixedly connected with delivery port 6 of casing 1 is kept away from to first apron 2, one side fixedly connected with water inlet 5 of casing 1 is kept away from to second apron 3, one side equal fixedly connected with change device 8 of being close to casing 1 of first apron 2 and second apron 3, the lower surface of casing 1 is equipped with positioner 9.

The specific arrangement and function of the exchange means 8 and the positioning means 9 will be described in detail below.

Referring to fig. 1 to 4, in the present embodiment: the replacing device 8 comprises four fixing plates 801, the four fixing plates 801 are respectively and fixedly connected to one side, close to the shell 1, of the first cover plate 2 and the second cover plate 3, first sliding grooves are formed in the surfaces of the four fixing plates 801, sliding strips 807 are slidably connected to the surfaces of the first sliding grooves on the four fixing plates 801, and sealing strips 802 are glued to the other sides of the sliding strips 807. A slide 807 slidably coupled to the first runner on the fixing plate 801 allows the sealing strip 802 to be detached and installed. A sliding hole is formed in one side, close to the sealing strip 802, of the fixing plate 801, a first spring 803 is fixedly connected to the surface of the sliding hole, and a sliding rod 804 is fixedly connected to the other end of the first spring 803. The first spring 803 prevents the slide bar 804 from being disengaged from the fixed plate 801 while assisting in the movement of the slide bar 804.

One end of the sliding rod 804, which is far away from the fixed plate 801, is fixedly connected with a rectangular block 805, and one end of the sliding rod 807, which is close to the fixed plate 801, is fixedly connected with a connecting rod 806. The slide bar 804 allows the rectangular block 805 to be connected to the fixing plate 801. The inner wall sliding connection of rectangle 805 has inserted bar 808, and the one end that inserted bar 808 kept away from connecting rod 806 is fixedly connected with clamp plate 810, and the surface cover of inserted bar 808 has second spring 809, and the both ends of second spring 809 are respectively with rectangle 805 and clamp plate 810 fixed connection. The second spring 809 ensures that the plunger 808 does not disengage from the rectangular block 805 and the plunger 808 can be controlled to move by the pressure plate 810.

Referring to fig. 2, 5 and 6, specifically, the positioning device 9 includes a cross bar 91, the cross bar 91 is slidably connected to the lower surface of the housing 1, two sides of the cross bar 91 are fixedly connected with a longitudinal bar 92, and two ends of the cross bar 91 are fixedly connected with a first clamping block 93. The first latch 93 may play a limiting role, thereby realizing a positioning function.

The second spout has been seted up to the one end that the rail 92 was kept away from the horizontal pole 91, and the surface sliding connection of the second spout on the rail 92 has a slider 95, and one side that the slider 95 kept away from casing 1 is fixedly connected with second fixture block 94. The second clamping block 94 can buckle the shell 1 so as to fix the position of the cross bar 91, and plays a role in positioning. The end of the longitudinal rod 92 close to the sliding block 95 is fixedly connected with a bolt 96, and the surface of the bolt 96 is sleeved with a rotating plate 97. The rotating plate 97 sleeved on the surface of the bolt 96 can rotate, and the limit on the slide block 95 can be relieved by rotating the rotating plate 97.

When the ball valve is used, firstly, liquid enters the shell 1 from the water inlet 5 through the first cover plate 2, then the angle of the ball 7 is adjusted, so that the liquid can pass through the ball 7, and then the liquid flows out from the water outlet 6 through the second cover plate 3. When the sealing strip 802 needs to be replaced, the bolt 4 is detached firstly, then the first cover plate 2 and the second cover plate 3 are moved away from the shell 1, the pressing plate 810 is pulled to enable the inserting rod 808 to slide on the inner wall of the rectangular block 805, the inserting rod 808 is enabled to be away from the connecting rod 806, the sealing strip 802 is moved to drive the sliding strip 807 to slide on the surface of the first sliding groove on the fixed plate 801, the sealing strip 802 is enabled to be far away from the fixed plate 801, after the replacement of the new sealing strip 802 is completed, the pressing plate 810 is loosened, under the action of the elastic force of the second spring 809, the inserting rod 808 is close to the connecting rod 806 and limits the connecting rod 806, thereby the replacement of the sealing strip 802 is achieved, the connection between the rectangular block 805 and the fixed plate 801 is ensured by the first spring 803 and the sliding rod 804, meanwhile, the sealing strip 802 can be moved, the sealing of the ball 7 is facilitated, the replacement of the sealing strip 802 in the ball valve is facilitated by the replacement device 8, the maintenance efficiency of the ball valve is improved, and the sealing property of the ball valve is ensured as much as possible.

When the ball valve is assembled, firstly, the cross rod 91 and the vertical rod 92 are close to the shell 1, the first clamping block 93 is utilized to position the first cover plate 2 and the second cover plate 3, the rotary plate 97 rotates on the surface of the bolt 96, the rotary plate 97 is far away from the second sliding groove, then, the second clamping block 94 is moved to be close to the vertical rod 92, at the moment, the sliding block 95 is clamped into the second sliding groove on the vertical rod 92, the rotary plate 97 is close to the sliding block 95, thereby fixing the first cover plate 2 and the second cover plate 3 with the shell 1, and the positioning device 9 is arranged, so that the first cover plate 2 and the second cover plate 3 can be conveniently positioned when the ball valve is assembled, and the assembling efficiency of the ball valve is improved.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. The utility model provides a be difficult for revealing ball valve, includes casing (1), its characterized in that: the utility model discloses a sealing device for a sealed container, including casing (1), internally mounted has ball (7), the inner wall screw thread of casing (1) is inserted and is equipped with bolt (4), the surface cover of bolt (4) has first apron (2), the surface cover of bolt (4) has second apron (3), one side fixedly connected with delivery port (6) of casing (1) are kept away from to first apron (2), one side fixedly connected with water inlet (5) of casing (1) are kept away from to second apron (3), one side that first apron (2) and second apron (3) are close to casing (1) is all fixedly connected with change device (8), change device (8) include four fixed plate (801), four fixed plate (801) are fixed connection respectively in one side that first apron (2) and second apron (3) are close to casing (1), four first spout has all been seted up on the surface of fixed plate (801), the surface of first spout on the opposite side all sliding connection has slide (807), glue sealing strip (802).

2. The leak-resistant ball valve of claim 1, wherein: a sliding hole is formed in one side, close to the sealing strip (802), of the fixing plate (801), a first spring (803) is fixedly connected to the surface of the sliding hole, and a sliding rod (804) is fixedly connected to the other end of the first spring (803).

3. The leak-resistant ball valve of claim 2, wherein: one end of the sliding rod (804) far away from the fixed plate (801) is fixedly connected with a rectangular block (805), and one end of the sliding strip (807) close to the fixed plate (801) is fixedly connected with a connecting rod (806).

4. A ball valve as defined in claim 3, wherein: the inner wall sliding connection of rectangle piece (805) has inserted bar (808), one end fixedly connected with clamp plate (810) that connecting rod (806) were kept away from to inserted bar (808), the surface cover of inserted bar (808) has second spring (809), the both ends of second spring (809) are respectively with rectangle piece (805) and clamp plate (810) fixed connection.

5. The leak-resistant ball valve of claim 1, wherein: the lower surface of casing (1) is equipped with positioner (9), positioner (9) include horizontal pole (91), horizontal pole (91) sliding connection is at the lower surface of casing (1), the both sides of horizontal pole (91) are all fixedly connected with vertical pole (92), the both ends of horizontal pole (91) are all fixedly connected with first fixture block (93).

6. The leak-resistant ball valve of claim 5, wherein: the one end that horizontal pole (91) was kept away from to vertical pole (92) has seted up the second spout, the surface sliding connection of second spout on vertical pole (92) has slider (95), one side fixedly connected with second fixture block (94) that casing (1) were kept away from to slider (95).

7. The leak-resistant ball valve of claim 6, wherein: one end of the longitudinal rod (92) close to the sliding block (95) is fixedly connected with a bolt (96), and the surface of the bolt (96) is sleeved with a rotating plate (97).