CN216242432U

CN216242432U - Valve with double seals

Info

Publication number: CN216242432U
Application number: CN202122802747.7U
Authority: CN
Inventors: 穆莉; 王术学; 莫西燕
Original assignee: Chongqing Jinqiu High Pressure Valve Co ltd
Current assignee: Chongqing Jinqiu High Pressure Valve Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model provides a valve with double seals, which relates to the technical field of ball valves and comprises a valve core shell, wherein a valve core accommodating cavity is arranged inside the valve core shell, a valve core is movably arranged inside the valve core accommodating cavity, a rotating mechanism shell is fixedly arranged at the upper end of the outer surface of the valve core shell, a circular limiting block is fixedly arranged at one end inside the rotating mechanism shell, a valve core knob is arranged at the upper end of the rotating mechanism shell and connected with the valve core through a rotating assembly, two sealing rings are respectively arranged at two sides of the outer surface of the valve core, and a horn-shaped through groove is formed inside the valve core. Prevent to appear sliding in inside, effectual increase leakproofness.

Description

Valve with double seals

Technical Field

The utility model relates to the technical field of ball valves, in particular to a valve with double seals.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, for example, the double-seal valve with the application number of CN201610627538.4 comprises a valve body and an elastic wedge-shaped valve core, wherein the valve body is provided with a water inlet and a water outlet, the wedge-shaped valve core is arranged at the lower end of an operating rod, a wedge-shaped movement space matched with the wedge-shaped valve core is arranged in the valve body, the operating rod drives the valve core to move up and down in the wedge-shaped movement space, and a sealing ring is arranged at the position, matched with the operating rod, of the valve body. The valve core of the double-sealing valve is of an elastic wedge-shaped structure, so that the sealing is firmer.

However, according to the technical scheme, the sealing ring inside the valve is aged and loses elasticity under long-time use, the sealing performance caused by aging is insufficient, water leakage of the valve can be caused, the sealing ring inside the valve cannot be replaced as a whole, the valve can only be replaced completely, the valve core can slide under long-time use, the sealing performance is seriously affected, and therefore the valve is improved, and the valve with double sealing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a valve with double seals, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a valve with double containment, includes the case shell, the inside of case shell is equipped with the case and holds the chamber, the inside movable mounting that the case held the chamber has the case, the surface upper end fixed mounting of case shell has rotary mechanism shell, the inside one end fixed mounting of rotary mechanism shell has circular stopper, the case knob is installed to the upper end of rotary mechanism shell, the case knob passes through rotating assembly and is connected with the case, a sealing washer is installed respectively to the surface both sides of case, one of them the sealing washer chucking is installed and is held chamber one end at the case, the logical groove of loudspeaker form is seted up to the inside of case.

Preferably, one end of the valve core shell is provided with a water inlet, and one end of the valve core shell, which is far away from the water inlet, is provided with a connecting cover through a flange.

Preferably, a water outlet is formed in one side of the connecting cover, a protruding block is arranged on the other side of the connecting cover, and the other sealing ring is tightly clamped and mounted in the protruding block.

Preferably, the rotating assembly comprises a connecting column and a protruding block, one end of the connecting column movably penetrates through the rotating mechanism shell to be connected with the valve core, the protruding block is arranged in the connecting column, and the protruding block is movably clamped in the rotating mechanism shell.

Preferably, one end of the connecting column, which is far away from the valve core, movably penetrates through the circular limiting block to be provided with second teeth, and the second teeth are meshed with the first teeth.

Preferably, the first teeth are arranged inside a first teeth shell, and a valve core knob is installed on the outer surface of the upper end of the first teeth shell.

Preferably, the lower end of the outer surface of the valve core is provided with a circular groove, a cylindrical protruding block is movably mounted inside the circular groove, and the cylindrical protruding block is fixedly mounted on the lower surface of the center inside the valve core accommodating cavity.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, one end of the valve core shell is connected with the connecting cover through the flange, one side of the connecting cover can be opened through the sealing ring clamped by the protruding block, the inner sealing ring is replaced, the valve core can be repeatedly used without continuously replacing a brand new sealing ring, the valve core can be limited when in use due to the fact that the circular groove formed at the lower end of the outer surface of the valve core is matched with the cylindrical protruding block, sliding in the valve core is prevented, and the sealing property is effectively improved.

(2) According to the valve core knob, the first tooth shell can be driven to rotate by rotating the valve core knob, the connecting column can be driven to rotate by the first tooth shell, the valve core can be driven to open or close by the rotating of the connecting column, the first tooth arranged in the first tooth shell can be matched with the second tooth to take out the valve core knob after the opening or closing is completed, and misoperation is prevented.

Drawings

FIG. 1 is a schematic view of the overall construction of the front face of a valve with double seal according to the present invention;

FIG. 2 is a side view of a valve with dual seals according to the present invention;

FIG. 3 is a schematic view of the valve of the present invention with double sealing taken along line A-A of FIG. 2;

fig. 4 is an enlarged view of a portion a of fig. 3 illustrating a valve having a double seal according to the present invention.

In the figure: 1. a valve core housing; 2. a water inlet; 3. a spool knob; 4. a rotating mechanism housing; 5. a connecting cover; 6. a water outlet; 7. a rotating assembly; 701. connecting columns; 702. a protruding block; 703. a first tooth; 704. a second tooth; 705. a first tooth housing; 8. a circular limiting block; 9. a circular groove; 10. a cylindrical protruding block; 11. a seal ring; 12. a spool receiving cavity; 13. a valve core; 14. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, a valve with double seals comprises a valve core housing 1, a valve core accommodating cavity 12 is arranged inside the valve core housing 1, a valve core 13 is movably arranged inside the valve core accommodating cavity 12, a rotary mechanism housing 4 is fixedly arranged at the upper end of the outer surface of the valve core housing 1, a circular limiting block 8 is fixedly arranged at one end inside the rotary mechanism housing 4, a valve core knob 3 is arranged at the upper end of the rotary mechanism housing 4, the valve core knob 3 is connected with the valve core 13 through a rotating component 7, two sealing rings 11 are respectively arranged on two sides of the outer surface of the valve core 13, one of the sealing rings 11 is tightly clamped and arranged at one end of the valve core accommodating cavity 12, and a horn-shaped through groove 14 is formed inside the valve core 13.

It can be understood that in this application, the one end of case shell 1 is equipped with water inlet 2, the one end that water inlet 2 was kept away from to case shell 1 is passed through the flange and is installed connection lid 5, and the one end through case shell 1 is equipped with water inlet 2 and can lets inside the water source gets into the ball valve.

It can be understood that, in this application, one side of connecting lid 5 is equipped with delivery port 6, the opposite side of connecting lid 5 is equipped with protruding piece, another sealing washer 11 chucking is installed in the inside of protruding piece, through case shell 1 one end through flange joint's connection lid 5, and the sealing washer 11 that just connects one side of lid 5 and pass through protruding piece chucking can be opened it under long-time use, changes inside sealing washer 11, makes it can recycle, and need not change the brand-new in succession.

It can be understood that, in this application, rotating component 7 includes spliced pole 701, protruding piece 702, the one end activity of spliced pole 701 is passed rotary mechanism shell 4 and is connected with case 13, be equipped with protruding piece 702 among spliced pole 701, protruding piece 702 activity chucking can make spliced pole 701 can not appear rocking in rotary mechanism shell 4's inside through protruding piece 702 activity chucking at rotary mechanism shell 4's inside.

It can be understood that, in the present application, one end of the connection column 701, which is far away from the valve element 13, movably penetrates through the circular limiting block 8 to be provided with a second tooth 704, the second tooth 704 is engaged with the first tooth 703, the first tooth housing 705 can be driven to rotate by rotating the valve element knob 3, the connection column 701 can be driven to rotate by the first tooth housing 705, and the connection column 701 can be driven to open or close the valve element 13 by rotating.

It can be understood that, in the present application, the first teeth 703 are provided inside the first teeth housing 705, the valve plug knob 3 is installed on the outer surface of the upper end of the first teeth housing 705, and the valve plug knob 3 can be taken out after the opening or closing is completed by the cooperation of the first teeth 703 provided inside the first teeth housing 705 and the second teeth 704, so as to prevent the occurrence of misoperation.

It can be understood that, in this application, circular recess 9 has been seted up to the surface lower extreme of case 13, the inside movable mounting of circular recess 9 has the outstanding piece 10 of cylinder, the outstanding piece 10 fixed mounting of cylinder holds the inside central lower surface in chamber 12 at the case, and circular recess 9 cooperation cylinder that sets up through case 13 surface lower extreme can carry on valve core 13 spacing when using, prevents to appear sliding in inside, the effectual leakproofness that has increased.

The working principle of the valve with double seals is as follows:

during the use, at first, the connection lid 5 of flange joint is passed through to case shell 1 one end, and the sealing washer 11 of connecting one side of lid 5 through protruding piece chucking can be opened it under long-time use, change inside sealing washer 11, make it can recycle, and need not change in succession brand-new, and the circular recess 9 cooperation cylinder protruding piece 10 that case 13 surface lower extreme was seted up can be spacing case 13 when using, prevent to appear sliding in inside, the effectual leakproofness that has increased, and rotate case knob 3 and can drive first tooth shell 705 and rotate, and first tooth shell 705 can drive spliced pole 701 and rotate, and spliced pole 701 makes and can drive case 13 and open or close rotating.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A valve with double seal, comprising a cartridge housing (1), characterized in that: the utility model discloses a valve core, including case shell (1), the inside of case shell (1) is equipped with the case and holds chamber (12), the inside movable mounting that the case held chamber (12) has case (13), the surface upper end fixed mounting of case shell (1) has rotary mechanism shell (4), the inside one end fixed mounting of rotary mechanism shell (4) has circular stopper (8), case knob (3) are installed to the upper end of rotary mechanism shell (4), case knob (3) are connected with case (13) through rotating assembly (7), a sealing washer (11), one of them are installed respectively to the surface both sides of case (13) sealing washer (11) chucking is installed and is held chamber (12) one end at the case, logical groove (14) of loudspeaker form are seted up to the inside of case (13).

2. A valve with dual seal according to claim 1, wherein: one end of the valve core shell (1) is provided with a water inlet (2), and one end, far away from the water inlet (2), of the valve core shell (1) is provided with a connecting cover (5) through a flange.

3. A valve with dual seal according to claim 2, wherein: one side of the connecting cover (5) is provided with a water outlet (6), the other side of the connecting cover (5) is provided with a protruding block, and the other side of the connecting cover is tightly clamped in the protruding block by a sealing ring (11).

4. A valve with dual seal according to claim 1, wherein: the rotating assembly (7) comprises a connecting column (701) and a protruding block (702), one end of the connecting column (701) movably penetrates through the rotating mechanism shell (4) to be connected with the valve core (13), the protruding block (702) is arranged in the connecting column (701), and the protruding block (702) is movably clamped in the rotating mechanism shell (4).

5. A valve with dual seal according to claim 4, wherein: one end, far away from the valve core (13), of the connecting column (701) movably penetrates through the circular limiting block (8) to be provided with a second tooth (704), and the second tooth (704) is meshed with the first tooth (703).

6. A valve with dual seal according to claim 5 wherein: the first teeth (703) are arranged inside the first teeth shell (705), and the outer surface of the upper end of the first teeth shell (705) is provided with a valve core knob (3).

7. A valve with dual seal according to claim 1, wherein: the lower end of the outer surface of the valve core (13) is provided with a circular groove (9), a cylindrical protruding block (10) is movably arranged inside the circular groove (9), and the cylindrical protruding block (10) is fixedly arranged on the lower surface of the center inside the valve core accommodating cavity (12).