CN212155846U

CN212155846U - Novel pressure reducing valve adopting integrated valve clack

Info

Publication number: CN212155846U
Application number: CN202020608048.1U
Authority: CN
Inventors: 欧桂生; 欧宇健
Original assignee: Quanzhou Aonuo Fluid Valve Manufacturing Co ltd
Current assignee: Quanzhou Aonuo Fluid Valve Manufacturing Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-15
Anticipated expiration: 2030-04-21

Abstract

A novel pressure reducing valve adopting an integrated valve clack structurally comprises a valve cover, a valve body and a valve clack structure, wherein the valve cover is arranged at the upper end of the valve body, the valve clack structure is arranged inside the valve body and comprises a diaphragm, an upper valve clack, a first guide pressure plate, a valve rod, a lower valve clack, a sealing ring, a fixing plate and a second guide pressure plate, the diaphragm is arranged at the upper end of the upper valve clack, the first guide pressure plate is arranged on the outer ring of the lower end of the upper valve clack, one end of the valve rod is connected with the center of the lower end of the upper valve clack, the valve rod and the valve clack are of an integrated structure, concentricity is effectively guaranteed, the number of the sealing rings is reduced, sealing performance is effectively improved, the valve clack and the sealing ring are connected in an embedded mode, sealing performance is further improved, effectively prevent the slope effort of medium from causing the valve clack to produce deformation.

Description

Novel pressure reducing valve adopting integrated valve clack

Technical Field

The utility model relates to an adopt novel relief pressure valve of integral type valve clack belongs to the relief pressure valve field.

Background

The relief pressure valve is through adjusting, reduces the inlet pressure to the outlet pressure of a certain needs to rely on the energy of medium itself, make outlet pressure automatic stabilization's valve, what the sealing washer of valve clack adopted in the current relief pressure valve is outer shell type connected mode, works constantly along with the relief pressure valve decompression, and the sealing washer produces the clearance with the junction of valve clack easily, and the medium can get into between sealing washer and the valve clack through the clearance, thereby leads to causing the influence to the sealed effect of sealing washer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adopt novel relief pressure valve of integral type valve clack to what solve the interior valve clack of current relief pressure valve the sealing washer adopted is the connected mode of outer cover formula, along with the work of relief pressure valve decompression constantly goes on, the junction of sealing washer and valve clack produces the clearance easily, and the medium can get into between sealing washer and the valve clack through the clearance, thereby leads to causing the problem of influence to the sealed effect of sealing washer.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a novel pressure reducing valve adopting an integrated valve clack structurally comprises a valve cover, a valve body and a valve clack structure, wherein the valve cover is arranged at the upper end of the valve body, the valve clack structure is arranged in the valve body, the valve clack structure comprises a diaphragm, an upper valve clack, a first guide pressing plate, a valve rod, a lower valve clack, a sealing ring, a fixing plate and a second guide pressing plate, the diaphragm is arranged at the upper end of the upper valve clack, the first guide pressing plate is arranged on the outer ring of the lower end of the upper valve clack, one end of the valve rod is connected with the center of the lower end of the upper valve clack, the other end of the valve rod is connected with the center of the upper end of the lower valve clack, the sealing ring is assembled at the bottom end of the lower valve clack, a clamping groove corresponding to the clamping, the center of the sealing ring is provided with a bolt hole, and the fixing plate is connected with the lower valve clack through the bolt hole in a bolt fixing mode.

Furthermore, the upper valve clack, the valve rod and the lower valve clack are of an integrally formed structure.

Furthermore, the number of the first guide pressing plates and the number of the second guide pressing plates are three, and the second guide pressing plates are of a trapezoidal structure.

Further, the outer ring at the top of the diaphragm is arranged between the valve cover and the valve body.

Furthermore, the upper valve clack is connected with the diaphragm in a bolt fixing mode.

The utility model has the advantages that: valve rod and valve clack structure as an organic whole, effectual assurance concentricity reduces the quantity that sets up of sealing washer simultaneously, effectively improves the leakproofness, and the valve clack is connected with the embedded of being connected the adoption of sealing washer, further improves sealing performance, prevents that the medium from getting into between sealing washer and the valve clack through the clearance to influence sealed effect, and be equipped with guide plate on the valve clack, improved valve clack decompression work axial displacement's stability, effectively prevent that the slope effort of medium from causing the valve clack to produce deformation.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a cross-sectional structure of a novel pressure reducing valve with an integrated valve flap according to the present invention;

fig. 2 is a schematic three-dimensional detailed structure diagram of a valve flap structure of the present invention;

fig. 3 is a schematic bottom view of a valve flap structure according to the present invention;

fig. 4 is a detailed structural schematic diagram of a sealing ring according to the present invention.

In the figure: the valve comprises a valve cover-1, a valve body-2, a valve clack structure-3, a diaphragm-301, an upper valve clack-302, a first guide pressure plate-303, a valve rod-304, a lower valve clack-305, a sealing ring-306, a fixing plate-307, a second guide pressure plate-308 and a collar-309.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, 2, 3 and 4, the present invention provides a technical solution of a novel pressure reducing valve with an integrated valve flap: the structure of the valve comprises a valve cover 1, a valve body 2 and a valve clack structure 3, wherein the valve cover 1 is arranged at the upper end of the valve body 2, the valve clack structure 3 is arranged inside the valve body 2, the valve clack structure 3 comprises a diaphragm 301, an upper valve clack 302, a first guide pressure plate 303, a valve rod 304, a lower valve clack 305, a sealing ring 306, a fixing plate 307 and a second guide pressure plate 308, the diaphragm 301 is arranged at the upper end of the upper valve clack 302, the first guide pressure plate 303 is arranged on the outer ring of the lower end of the upper valve clack 302, one end of the valve rod 304 is connected with the center of the lower end of the upper valve clack 302, the other end of the valve rod 304 is connected with the center of the upper end of the lower valve clack 305, the sealing ring 306 is arranged at the bottom end of the lower valve clack 305, a clamping groove, the second guide pressing plate 308 is arranged on the outer ring of the lower end of the fixing plate 307, a bolt hole is formed in the center of the sealing ring 306, the fixing plate 307 is connected with the lower valve clack 305 through the bolt hole in a bolt fixing mode, the upper valve clack 302, the valve rod 304 and the lower valve clack 305 are of an integrally formed structure, the number of the first guide pressing plate 303 and the number of the second guide pressing plate 308 are three, the second guide pressing plate 308 is of a trapezoid structure, the outer ring of the top of the diaphragm 301 is arranged between the valve cover 1 and the valve body 2, and the upper valve clack 302 and the diaphragm 301 are connected in.

For example, during assembly, the sealing ring 306 is fitted to the bottom of the valve flap of the integrated structure, the collar 309 on the sealing ring 306 is fitted to the clamping groove at the bottom of the valve flap, then the fixing plate 307 is fitted to the fixing groove of the sealing ring 306, the fixing plate 307 and the valve flap are fixed together through the sealing ring 306 by bolts, when the pressure reducing valve works, the lower valve flap 305 in the valve flap structure 3 drives the sealing ring 306 to adjust the medium pressure in an outlet, because the connection between the sealing ring 306 and the lower valve flap 305 is embedded, the medium is difficult to enter between the sealing ring 306 and the lower valve flap 305, and meanwhile, along with the axial movement pressure adjustment of the valve flap structure 3, the upper valve flap 302 and the first guide pressure plate 303 and the second guide pressure plate 308 at the lower end of the fixing plate 307 play a sliding guide role, so as to increase the stability.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an adopt novel relief pressure valve of integral type valve clack which characterized in that: the structure of the valve comprises a valve cover (1), a valve body (2) and a valve clack structure (3), wherein the valve cover (1) is arranged at the upper end of the valve body (2), the valve clack structure (3) is arranged inside the valve body (2), the valve clack structure (3) comprises a diaphragm (301), an upper valve clack (302), a first guide pressing plate (303), a valve rod (304), a lower valve clack (305), a sealing ring (306), a fixing plate (307) and a second guide pressing plate (308), the diaphragm (301) is arranged at the upper end of the upper valve clack (302), the outer ring of the lower end of the upper valve clack (302) is provided with the first guide pressing plate (303), one end of the valve rod (304) is connected with the center of the lower end of the upper valve clack (302), the other end of the valve rod (304) is connected with the center of the upper end of the lower valve, the lower end of the lower valve clack (305) is provided with a clamping groove corresponding to the clamping ring (309), the fixing plate (307) is embedded into the lower end of the sealing ring (306), the lower end of the sealing ring (306) is provided with a fixing groove corresponding to the fixing plate (307), the second guide pressure plate (308) is arranged on the outer ring of the lower end of the fixing plate (307), the center of the sealing ring (306) is provided with a bolt hole, and the fixing plate (307) is connected with the lower valve clack (305) in a bolt fixing mode through the bolt hole.

2. The novel pressure reducing valve with an integrated valve flap according to claim 1, characterized in that: the upper valve clack (302), the valve rod (304) and the lower valve clack (305) are of an integrated structure.

3. The novel pressure reducing valve with an integrated valve flap according to claim 1, characterized in that: the number of the first guide pressing plates (303) and the number of the second guide pressing plates (308) are three, and the second guide pressing plates (308) are of a trapezoidal structure.

4. The novel pressure reducing valve with an integrated valve flap according to claim 1, characterized in that: the outer ring of the top of the diaphragm (301) is arranged between the valve cover (1) and the valve body (2).

5. The novel pressure reducing valve with an integrated valve flap according to claim 1, characterized in that: the upper valve clack (302) is connected with the diaphragm (301) in a bolt fixing mode.