CN215981096U

CN215981096U - Valve with double seals

Info

Publication number: CN215981096U
Application number: CN202121864809.0U
Authority: CN
Inventors: 王培安
Original assignee: Tianjin Shengyuan Danruisi Valve Co ltd
Current assignee: Tianjin Shengyuan Danruisi Valve Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-08
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a valve with double seals, which comprises a valve main body, a first mounting disc and a second mounting disc, wherein the first mounting disc is integrally formed on the outer periphery of the valve main body, the second mounting disc is fixedly mounted on the side wall of the first mounting disc through bolts, a communicating pipe is integrally formed on the side wall of the second mounting disc, a flange plate is fixedly mounted on the side wall of the communicating pipe through bolts, circular through holes are respectively formed in the outer periphery of the valve main body and the inner periphery of the first mounting disc, a metal sealing pair is embedded and mounted in the circular through holes, a base is fixedly mounted at the bottom of the valve main body, a top seat is fixedly mounted at the top of the valve main body, a connecting disc is fixedly mounted at the top of the top seat, and a vertical cylinder is integrally formed at the top of the connecting disc. The metal sealing pair is convenient to install, disassemble and replace, the internal pressure relief of the valve main body can be realized, the physical power of a user is saved, the overall structure is simple, and the failure rate is low.

Description

Valve with double seals

Technical Field

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

Background

Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. The valve sealing pair consists of valve seat and closing part, and is sealed by means of the tight contact between two precisely machined sealing surfaces or the plastic deformation of the sealing surfaces. Including planar seals, conical seals, spherical seals, knife seals, and cylindrical seals. During use, the metal seal faces are susceptible to damage from the presence of entrained media and abrasive particles. The sealing pair comprises a metal sealing pair and an elastic sealing pair. The valve core sealing ring and the valve body sealing ring of the metal sealing pair are both made of metal, the valve core sealing ring of the elastic sealing pair is made of metal, and the valve body sealing ring is made of elastic materials such as rubber, plastics or rubber and plastic.

The manual ball valve of present most can not the person of facilitating the use carry out dismouting to its sealed pair and maintain, and inconvenient user uses.

To this end, we propose a valve with a double seal.

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:

a valve with double seals comprises a valve main body, a first mounting disc and a second mounting disc, wherein the first mounting disc is integrally formed on the periphery of the valve main body;

circular through holes are formed in the outer periphery of the valve main body and the inner periphery of the first mounting disc, and metal sealing pairs are mounted in the circular through holes in a nested mode;

the bottom installation of valve main part is fixed with the base, the top installation of valve main part is fixed with the footstock, the top fixed mounting of footstock has the connection pad, the top integrated into one piece of connection pad has an upright section of thick bamboo, the top integrated into one piece of an upright section of thick bamboo has the disc, the top of disc is fixed with a pressure release section of thick bamboo through the bolt installation.

Furthermore, a pressure relief rod penetrates through the top of the pressure relief cylinder, the periphery of the pressure relief cylinder penetrates through the pressure relief cylinder and is rotatably connected with a rotating handle through a sealing bearing, a first bevel gear is fixedly sleeved on the periphery of a rotating shaft of the rotating handle, the first bevel gear is in meshing transmission with a second bevel gear, the second bevel gear is fixedly sleeved on the periphery of a rotating shaft, the bottom of the rotating shaft is rotatably connected with the base through a bearing seat, and a closing plate is fixedly mounted on the periphery of the rotating shaft through a connecting rod; the high pressure in the valve main body is released by pressing the pressure relief rod, so that the closing plate can smoothly rotate, and the resistance when the valve main body is opened and closed is reduced.

Further, the top of the pressure relief cylinder is configured with a conical inclined surface; to relieve pressure inside the valve body.

Furthermore, the outer circumference cambered surface of the closing plate is attached to the inner circumference of the valve main body; the handle is rotated to drive the first bevel gear and the second bevel gear to be in meshing transmission, and the rotating shaft on the inner periphery of the second bevel gear drives the closing plate to rotate through the connecting rod so as to complete the opening and closing of the valve main body.

Furthermore, lifting lugs are integrally formed at the top of the top seat, the number of the lifting lugs is two, and the two lifting lugs are symmetrically arranged relative to the connecting disc; the valve is installed by means of external hoisting equipment when the valve is convenient to install and use.

Compared with the prior art, the utility model has the following beneficial effects: the first mounting disc and the second mounting disc are fixedly connected through bolts, so that the metal sealing pair is convenient to mount, dismount and replace and is convenient to use; the pressure relief rod is pressed downwards through the arranged pressure relief rod to relieve pressure inside the valve main body, so that the closing plate can be rotated and used conveniently, and the physical strength of a user is saved; the rotating handle drives the first bevel gear and the second bevel gear to be in meshing transmission when rotating, so that the rotating shaft and the closing plate are driven to rotate, the valve main body is conveniently controlled to be opened and closed, the structure is simple, the failure rate is low, and the maintenance and the replacement are convenient.

Drawings

Fig. 1 is a schematic structural view of a valve with double sealing according to the present invention.

Fig. 2 is a cross-sectional view of a valve with dual seals according to the present invention.

Fig. 3 is an enlarged view of a structure a of fig. 2 of a valve having a double seal according to the present invention.

FIG. 4 is a top view of a closure plate of a valve with dual seals of the present invention

In the figure: 1. a base; 2. a valve body; 3. a communicating pipe; 4. a first mounting plate; 5. A second mounting plate; 6. a metal sealing pair; 7. a flange plate; 8. a top seat; 9. a connecting disc; 10. erecting a cylinder; 11. a disc; 12. a pressure relief cylinder; 13. a pressure relief lever; 14. rotating the handle; 15. a first bevel gear; 16. a second bevel gear; 17. a rotating shaft; 18. a closing plate; 19. And (7) lifting lugs.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a valve with double seals comprises a valve main body 2, and further comprises a first mounting plate 4 and a second mounting plate 5, wherein the first mounting plate 4 is integrally formed on the outer periphery of the valve main body 2, the second mounting plate 5 is fixedly installed on the side wall of the first mounting plate 4 through bolts, a communicating pipe 3 is integrally formed on the side wall of the second mounting plate 5, and a flange 7 is fixedly installed on the side wall of the communicating pipe 3 through bolts;

circular through holes are formed in the outer periphery of the valve main body 2 and the inner periphery of the first mounting plate 4, and metal sealing pairs 6 are mounted in the circular through holes in a nested mode;

the bottom installation of valve main part 2 is fixed with base 1, the top installation of valve main part 2 is fixed with footstock 8, the top fixed mounting of footstock 8 has connection pad 9, the top integrated into one piece of connection pad 9 has a section of thick bamboo 10 that stands, the top integrated into one piece of a section of thick bamboo 10 that stands has disc 11, the top of disc 11 is fixed with a pressure release section of thick bamboo 12 through the bolt installation.

A pressure relief rod 13 penetrates through the top of the pressure relief cylinder 12, a rotating handle 14 penetrates through the periphery of the pressure relief cylinder 12 and is rotatably connected with the rotating handle through a sealing bearing, a first bevel gear 15 is fixedly sleeved on the periphery of a rotating shaft of the rotating handle 14, a second bevel gear 16 is in meshing transmission with the first bevel gear 15, the second bevel gear 16 is fixedly sleeved on the periphery of a rotating shaft 17, the bottom of the rotating shaft 17 is rotatably connected with the base 1 through a bearing seat, and a closing plate 18 is fixedly mounted on the periphery of the rotating shaft 17 through a connecting rod; pressing the pressure relief lever 13 releases the high pressure in the valve main body 2 so that the closing plate 18 smoothly rotates, reducing the resistance when opening and closing the valve main body 2.

Wherein the top of the pressure relief cylinder 12 is configured with a conical slope; so as to release the pressure inside the valve body 2.

Wherein, the outer circumference cambered surface of the closing plate 18 is attached to the inner circumference of the valve main body 2; the handle 14 is rotated to drive the first bevel gear 15 to mesh with the second bevel gear 16, and the rotating shaft 17 on the inner periphery of the second bevel gear 16 drives the closing plate 18 to rotate through the connecting rod, so as to complete the opening and closing of the valve body 2.

Lifting lugs 19 are integrally formed at the top of the top seat 8, the number of the lifting lugs 19 is two, and the two lifting lugs 19 are symmetrically arranged relative to the connecting disc 9; the valve is installed by means of external hoisting equipment when the valve is convenient to install and use.

Before use, the base 1 is fixed at a use position, the water inlet pipe and the water outlet pipe are respectively and fixedly installed on the two flange plates 7 and then are fixedly connected with the flange plates 7, when the metal sealing pair 6 needs to be replaced, the bolt between the first mounting plate 4 and the second mounting plate 5 is dismounted, then the metal sealing pair 6 is taken out to replace the metal sealing pair 6, during normal use, the rotating handle 14 is screwed, the rotating handle 14 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate in a meshed mode, the second bevel gear 16 drives the rotating shaft 17 to rotate and drives the closing plate 18 to rotate through the connecting rod, the closing plate 18 rotates in the valve main body 2 and then is separated from the metal sealing pair 6 to form an opening, and water flows to one side of the water outlet.

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 seals comprises a valve main body (2) and is characterized by further comprising a first mounting disc (4) and a second mounting disc (5), wherein the first mounting disc (4) is integrally formed on the periphery of the valve main body (2), the second mounting disc (5) is fixedly mounted on the side wall of the first mounting disc (4) through bolts, a communicating pipe (3) is integrally formed on the side wall of the second mounting disc (5), and a flange plate (7) is fixedly mounted on the side wall of the communicating pipe (3) through bolts;

circular through holes are formed in the outer periphery of the valve main body (2) and the inner periphery of the first mounting disc (4), and metal sealing pairs (6) are nested in the circular through holes;

the bottom installation of valve main part (2) is fixed with base (1), the top installation of valve main part (2) is fixed with footstock (8), the top fixed mounting of footstock (8) has connection pad (9), the top integrated into one piece of connection pad (9) has a section of thick bamboo (10) of founding, the top integrated into one piece of a section of thick bamboo (10) of founding has disc (11), the top of disc (11) is fixed with a pressure release section of thick bamboo (12) through the bolt installation.

2. A valve with dual seal according to claim 1, wherein: pressure relief pole (13) are worn to be equipped with at the top of a pressure relief section of thick bamboo (12), the periphery of a pressure relief section of thick bamboo (12) runs through and is connected with through sealed bearing rotation and rotates and rotate handle (14), the pivot periphery that rotates handle (14) is cup jointed and is fixed with first bevel gear (15), first bevel gear (15) meshing transmission has second bevel gear (16), second bevel gear (16) cup joint the periphery of fixing at axis of rotation (17), and the bottom of axis of rotation (17) is passed through the bearing frame and is rotated with base (1) and be connected, the periphery of axis of rotation (17) has closing plate (18) through connecting rod fixed mounting.

3. A valve with dual seal according to claim 1, wherein: the top of the pressure relief cylinder (12) is configured with a conical bevel.

4. A valve with dual seal according to claim 2, wherein: the outer circumference cambered surface of the closing plate (18) is attached to the inner circumference of the valve main body (2).

5. A valve with dual seal according to claim 1, wherein: lifting lugs (19) are integrally formed at the top of the top seat (8), the number of the lifting lugs (19) is two, and the two lifting lugs (19) are symmetrically arranged relative to the connecting disc (9).