CN216078475U

CN216078475U - Valve casting capable of automatically relieving pressure

Info

Publication number: CN216078475U
Application number: CN202122461649.1U
Authority: CN
Inventors: 万历
Original assignee: Jiangsu Royal Casting Co ltd
Current assignee: Jiangsu Royal Casting Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-18
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a valve casting capable of automatically relieving pressure, which comprises a valve body, wherein a valve cover is arranged on the upper end surface of the valve body through a bolt, a sealing clamp is fixedly arranged at the center of the valve cover, a valve rod is inserted at the center of the sealing clamp, a first mounting seat is fixedly arranged at the upper end of the valve rod, a protection piece is fixedly arranged at the upper end of the valve cover, a fixing frame is fixedly arranged at the upper end inside the protection piece, a threaded rod is connected at the center of the fixing frame through threads, a second mounting seat is fixedly arranged at the bottom of the threaded rod, a first spring is fixedly arranged between the first mounting seat and the second mounting seat, a protection cover is arranged at the upper end of the protection piece, and a ring groove is formed in the bottom of the outer side of the protection cover. This kind of valve foundry goods that can automatic pressure release, simple structure is reasonable, the modern design, and easy operation is convenient, can effectual improvement pressure release's effect, and the casted degree of difficulty is lower, has higher practical value.

Description

Valve casting capable of automatically relieving pressure

Technical Field

The utility model relates to the technical field of pressure relief valves, in particular to a valve casting capable of automatically relieving pressure.

Background

A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate by flowing or stopping a medium in a pipe or an apparatus. The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like.

Most structures of the existing automatic pressure relief valve castings are complex, the casting difficulty and the casting cost are increased, the existing automatic pressure relief valves are very complex when the pressure values are adjusted, and the practicability is not strong. We have therefore improved this and have proposed a valve casting which can automatically vent.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a valve casting capable of automatically relieving pressure, which comprises a valve body, wherein a valve cover is installed on the upper end surface of the valve body through a bolt, a sealing hoop is fixedly installed at the center of the valve cover, a valve rod is inserted at the center of the sealing hoop, a first installation seat is fixedly installed at the upper end of the valve rod, a protection piece is fixedly installed at the upper end of the valve cover, a fixed frame is fixedly installed at the upper end inside the protection piece, a threaded rod is connected at the center of the fixed frame through threads, a second installation seat is fixedly installed at the bottom of the threaded rod, a first spring is fixedly installed between the first installation seat and the second installation seat, a protective cover is arranged at the upper end of the protection piece, and an annular groove is formed in the bottom of the outer side of the protective cover.

According to a preferable technical scheme of the utility model, cavities are formed in two sides of the upper end of the interior of the protection piece, and clamping blocks are slidably mounted in the cavities.

As a preferable technical scheme of the utility model, second springs are fixedly arranged on one sides in the cavity, the second springs are fixedly connected with clamping blocks, and the clamping blocks are clamped with the ring grooves.

As a preferred technical scheme of the utility model, the two sides of the valve body are respectively provided with the flange plates, and the upper end of the front surface of the valve body is provided with the air outlet.

As a preferred technical scheme of the utility model, the valve body is internally provided with three through grooves, the bottom of the valve rod is fixedly provided with a valve plate, and the valve plate is mutually clamped with the three through grooves.

As a preferred technical scheme of the utility model, sealing gaskets are arranged at the joints of the valve body and the valve cover, and the sealing gaskets are made of rubber.

As a preferable technical scheme of the utility model, the valve body, the valve cover, the protection piece and the protection cover are all made of metal materials, and hot-dip galvanized layers are arranged outside the valve body, the valve cover, the protection piece and the protection cover.

The utility model has the beneficial effects that:

1. the valve casting capable of automatically relieving pressure realizes the function of automatic pressure relief of the valve through the mutual matching of the valve plate, the valve rod, the three through grooves, the first mounting seat, the second mounting seat, the first spring, the threaded rod and the fixing frame, a user adjusts the elastic force of the first spring through rotating the threaded rod, and further realizes the setting of different pressure values, the three through grooves and the valve plate are arranged, so that water flow jacks up the valve plate when the water pressure is too high, high-pressure water flow flows out from the air outlet, after the water pressure is recovered, the valve plate is reset through the rebounding of the first spring, and the normal flow of the water flow is ensured;

2. the valve casting capable of automatically relieving pressure is characterized in that the protection piece and the protective cover are installed to protect the first spring, so that the first spring is prevented from being influenced by external force to cause pressure relief failure, and the second spring, the clamping block and the ring groove are mutually matched, so that a user can conveniently and rapidly install and detach the protective cover, and the adjustment efficiency of the user on the elasticity of the first spring is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a valve casting of the present invention with automatic pressure relief;

FIG. 2 is a schematic side cross-sectional view of an automatic pressure relief valve casting of the present invention;

FIG. 3 is a perspective view of a protection tube of a valve casting capable of automatically releasing pressure according to the present invention;

fig. 4 is an enlarged view of the structure a of fig. 2 of a valve casting of the present invention with automatic pressure relief.

In the figure: 1. a valve body; 2. a flange plate; 3. an air outlet; 4. a valve cover; 5. a protective member; 6. a protective cover; 7. a valve plate; 8. three through grooves; 9. sealing the clamp; 10. a valve stem; 11. a first mounting seat; 12. a first spring; 13. a second mounting seat; 14. a fixed mount; 15. a threaded rod; 16. a ring groove; 17. a cavity; 18. a second spring; 19. and (7) clamping blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the valve casting capable of automatically relieving pressure comprises a valve body 1, wherein a valve cover 4 is installed on the upper end surface of the valve body 1 through a bolt, a sealing hoop 9 is fixedly installed in the center of the valve cover 4, a valve rod 10 is inserted in the center of the sealing hoop 9, a first installation seat 11 is fixedly installed at the upper end of the valve rod 10, a protection member 5 is fixedly installed at the upper end of the valve cover 4, a fixed frame 14 is fixedly installed at the upper end inside the protection member 5, a threaded rod 15 is connected to the center of the fixed frame 14 through a thread, a second installation seat 13 is fixedly installed at the bottom of the threaded rod 15, a first spring 12 is fixedly installed between the first installation seat 11 and the second installation seat 13, a protection cover 6 is arranged at the upper end of the protection member 5, and a ring groove 16 is formed in the bottom of the outer side of the protection cover 6.

Wherein, cavity 17 has all been seted up to the inside upper end both sides of protection piece 5, the inside equal slidable mounting of cavity 17 has fixture block 19, and through installation cavity 17 and fixture block 19, the visor 6 of being convenient for is installed, improves user's regulation efficiency.

Wherein, the equal fixed mounting in inside one side of cavity 17 has second spring 18, second spring 18 all with fixture block 19 fixed connection, fixture block 19 and the mutual block of annular 16, through installing second spring 18, and fixture block 19 and the mutual block of annular 16 for visor 6 is when covering and extracting, and fixture block 19 contracts and carries out the block to visor 6, and then realizes visor 6's quick installation, improves the regulation unloading of user to pressure.

Wherein, 1 both sides of valve body all are equipped with

ring flange

2, 1 openly upper end of valve body is equipped with gas outlet 3, and through installing ring flange 2, convenient to use person installs valve body 1, through installing gas outlet 3 for when water pressure was too big, discharge in the gas outlet can be followed to pressure.

Wherein, 1 inside three logical grooves 8 that are equipped with of valve body, the bottom fixed mounting of valve rod 10 has valve plate 7, valve plate 7 and the mutual block in tee bend groove 8, through three logical grooves 8 of installation, and with the mutual block of valve plate 7 for valve 7 blocks up three logical grooves 8, and rivers flow through from the bottom in tee bend groove 8, and when water pressure was too big, water pressure was 7 jack-ups with valve plate, and rivers get into three upper ends that lead to groove 8 and discharge from the gas outlet, treat that water pressure resumes normally after valve plate 7 continues to block up three logical grooves 8, rivers normally flow through from tee bend groove 8 bottom.

Wherein, valve body 1 all is equipped with seal ring with valve gap 4 junction, just seal ring is the rubber material, through installation seal ring for valve body 1 is inseparabler with valve gap 4 junction, prevents that rivers from overflowing from valve gap 4 is inside.

Wherein, valve body 1, valve gap 4, protection piece 5 and visor 6 are the metal material, just the outside of valve body 1, valve gap 4, protection piece 5 and visor 6 all is equipped with hot galvanizing coat, through setting up valve body 1, valve gap 4, protection piece 5 and visor 6 to the metal material, and the outside is equipped with hot galvanizing coat, has improved the life of relief valve greatly, and is corrosion-resistant.

The working principle is as follows: when the valve casting capable of automatically relieving pressure is used, whether all mechanisms in the valve casting capable of automatically relieving pressure are complete is checked, then the valve is installed through the flange plates 2 at two ends of the valve body 1, after the valve is installed, the protective cover 6 is pulled out, the elastic force of the first spring 12 is adjusted through the rotating threaded rod 15, the protective cover 6 is fixed after being adjusted to a proper position, the three through grooves 8 are arranged in the valve body 1, the three through grooves 8 are mutually clamped with the valve plate 7, so that water flow jacks up the valve plate 7 when the water pressure is overlarge, high-pressure water flow flows out from the air outlet, after the water pressure is recovered, the first spring 12 rebounds to reset the valve plate 7, the water flow normally flows through the bottom of the three through grooves 8, and through the mutual matching among the second spring 18, the clamping block 19 and the annular groove 16, a user can conveniently and quickly install and disassemble the protective cover 6, and the adjustment efficiency of the user on the elastic force of the first spring 12 is improved, the pressure relief device is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively improving the pressure relief effect, low in casting difficulty and high in practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The valve casting capable of automatically relieving pressure comprises a valve body (1) and is characterized in that a valve cover (4) is installed on the upper end face of the valve body (1) through a bolt, a sealing hoop (9) is fixedly installed at the center of the valve cover (4), a valve rod (10) is inserted at the center of the sealing hoop (9), a first installation seat (11) is fixedly installed at the upper end of the valve rod (10), a protection piece (5) is fixedly installed at the upper end of the valve cover (4), a fixing frame (14) is fixedly installed at the upper end inside the protection piece (5), a threaded rod (15) is in threaded connection with the center of the fixing frame (14), a second installation seat (13) is fixedly installed at the bottom of the threaded rod (15), a first spring (12) is fixedly installed between the first installation seat (11) and the second installation seat (13), a protection cover (6) is arranged at the upper end of the protection piece (5), and a ring groove (16) is formed in the bottom of the outer side of the protective cover (6).

2. The valve casting capable of automatically relieving pressure according to claim 1, wherein cavities (17) are formed in both sides of the upper end inside the protection member (5), and clamping blocks (19) are slidably mounted in the cavities (17).

3. The valve casting capable of automatically relieving pressure according to claim 2, wherein a second spring (18) is fixedly installed on one side inside the cavity (17), the second springs (18) are fixedly connected with clamping blocks (19), and the clamping blocks (19) are clamped with the annular grooves (16).

4. The valve casting capable of automatically relieving pressure according to claim 1, wherein flanges (2) are arranged on two sides of the valve body (1), and an air outlet (3) is arranged at the upper end of the front surface of the valve body (1).

5. The valve casting capable of automatically relieving pressure according to claim 1, wherein three through grooves (8) are formed in the valve body (1), a valve plate (7) is fixedly mounted at the bottom of the valve rod (10), and the valve plate (7) is clamped with the three through grooves (8).

6. The valve casting capable of automatically relieving pressure according to claim 1, wherein sealing gaskets are arranged at the joints of the valve body (1) and the valve cover (4), and the sealing gaskets are made of rubber.

7. The valve casting capable of automatically relieving pressure according to claim 1, wherein the valve body (1), the valve cover (4), the protection member (5) and the protection cover (6) are all made of metal, and the exterior of the valve body (1), the valve cover (4), the protection member (5) and the protection cover (6) are all provided with a hot galvanizing layer.