CN212177934U

CN212177934U - Metal valve seat for diaphragm valve

Info

Publication number: CN212177934U
Application number: CN202020556326.3U
Authority: CN
Inventors: 刘波; 王译涵; 杨庚锁; 钟振亚; 姚瑶; 余华志
Original assignee: Nanjing Daolong Biotechnology Co ltd
Current assignee: Nanjing Daolong Biotechnology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-18
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a metal disk seat for diaphragm valve, including the disk seat main part, the upside fixed mounting of disk seat main part has the ring flange, and the left and right sides fixed mounting of disk seat main part has the raceway, and filter equipment is installed to the downside of raceway, and filter equipment includes left and right sides raceway downside fixed mounting's external screw thread pipe, and the outside spiro union of external screw thread pipe has the pipe box, and the downside fixed mounting of pipe box has the shell, and the internal diameter of shell is the same with the internal diameter size of external screw thread pipe, and the internally mounted of raceway, external screw thread pipe, shell has the filter block. This device can filter the medium that inside flows through the filter equipment on the diaphragm valve disk seat according to the demand, promotes the medium quality, and can change connection structure according to the type of connecting pipe terminal surface, promotes the flexibility of assembly.

Description

Metal valve seat for diaphragm valve

Technical Field

The utility model relates to a diaphragm valve technical field specifically is a metal disk seat for diaphragm valve.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing piece to close a flow passage, cut off fluid and separate an inner cavity of a valve body from an inner cavity of a valve cover. Simple structure, better sealing and corrosion resistance and small fluid resistance. The medium is used for low pressure, low temperature, medium with strong corrosiveness and suspended substance.

The diaphragm valve that uses at present only has the ability of opening and shutting, and prior art promotes through adding controlling means such as establishing electronic or pneumatics and controls the performance, but functional relatively poor, assembles with the connecting pipe terminal surface through the ring flange at both ends or joint ring structure often, and the assembly flexibility is relatively poor, in order to solve above-mentioned problem, we provide a metal valve seat for diaphragm valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal disk seat for diaphragm valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal valve seat for diaphragm valve, includes the disk seat main part, the upside fixed mounting of disk seat main part has the ring flange, the left and right sides fixed mounting of disk seat main part has the raceway, filter equipment is installed to the downside of raceway, filter equipment includes left and right sides raceway downside fixed mounting's external screw thread pipe, the outside spiro union of external screw thread pipe has the pipe box, the downside fixed mounting of pipe box has the shell, the internal diameter of shell is the same with the internal diameter size of external screw thread pipe, the internally mounted of raceway, external screw thread pipe, shell has the filter block.

Preferably, the inner surfaces of the water pipe, the external threaded pipe and the shell are fixedly provided with corrosion-resistant layers, the inner surfaces of the corrosion-resistant layers are fixedly provided with sealing layers, and the sealing layers are tightly attached to the outer surfaces of the filter blocks.

Preferably, the upper side of the filter block is provided with an arc matched with the sealing layer.

Preferably, the outer ends of the outer surfaces of the water conveying pipes on the left side and the right side are sleeved with threads, and the outer sides of the threads are screwed with clamping rings.

Preferably, a rectangular groove is formed in the front side of the outer surface of the shell, and a perspective mirror is fixedly mounted inside the rectangular groove.

Compared with the prior art, the beneficial effects of the utility model are that: this a metal disk seat for diaphragm valve can filter the medium that inside flows through the filter equipment on the diaphragm valve disk seat according to the demand, promotes the medium quality, and can change connection structure according to the type of connecting pipe terminal surface, promotes the flexibility of assembly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the structure of the filtering device of the present invention.

In the figure: the filter comprises a valve seat main body 1, a flange plate 2, a water delivery pipe 3, threads 4, a clamping ring 5, a filter device 6, a filter block 61, a shell 62, an external threaded pipe 63, a pipe sleeve 64, a rectangular groove 7 and a perspective mirror 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a metal valve seat for a diaphragm valve comprises a valve seat main body 1, wherein a flange plate 2 is fixedly mounted on the upper side of the valve seat main body 1, water conveying pipes 3 are fixedly mounted on the left side and the right side of the valve seat main body 1, a filtering device 6 is mounted on the lower side of the water conveying pipes 3, the filtering device 6 comprises external threaded pipes 63 fixedly mounted on the lower sides of the water conveying pipes 3 on the left side and the right side, pipe sleeves 64 are screwed on the outer sides of the external threaded pipes 63, a shell 62 is fixedly mounted on the lower sides of the pipe sleeves 64, the inner diameter of the shell 62 is the same as the inner diameter of the external threaded pipes 63, and filter blocks 61 are mounted inside.

The flange plate 2 is convenient to be assembled with other diaphragm valve structures into a whole, and the external thread pipe 63 in the filtering device 6 is in threaded fit with the pipe sleeve 64, so that the assembly, disassembly and maintenance are convenient; the water pipe 3, the external thread pipe 63 and the filter block 61 installed inside the casing 62 can filter the fluid inside.

The corrosion-resistant layer 9 is fixedly arranged on the inner surfaces of the water pipe 3, the external threaded pipe 63 and the shell 62, the sealing layer 10 is fixedly arranged on the inner surface of the corrosion-resistant layer 9, and the sealing layer 10 is tightly attached to the outer surface of the filter block 61.

The corrosion-resistant layer 9 can protect and isolate the water pipe 3, the external threaded pipe 63 and the shell 62 made of metal from being corroded by fluid; the sealing layer 10 can be tightly attached after the filter block 61 is assembled, and the sealing performance is strong.

The upper side of the filter block 61 is provided with an arc 11 matched with the sealing layer 10. The circular arc 11 is formed, so that the filter block 61 can be tightly attached to the sealing layer 10, and the influence on the filtering effect due to the existence of a gap is avoided.

The outer end of the outer surface of the water delivery pipes 3 at the left side and the right side is sleeved with a thread 4, and the outer side of the thread 4 is screwed with a clamping ring 5. Through the cooperation of screw thread 4 and joint ring 5, can replace connection structure such as flange with joint ring 5, conveniently match the installation with the connecting pipe end, use more nimble.

The outer surface front side of shell 62 is seted up rectangular channel 7, and the inside fixed mounting of rectangular channel 7 has perspective mirror 8. Through the cooperation of rectangular groove 7 and perspective mirror 8, can see the consume condition of filter block 61 to in time replace.

The working principle is as follows:

through the matching of the threads 4 and the clamping ring 5, the clamping ring 5 can be replaced by connecting structures such as a flange plate and the like, so that the clamping ring is convenient to be installed in a matching way with the end of a connecting pipe; according to the requirement, the filter blocks 61 in the filter device 6 are arranged on the liquid inlet side or the two sides of the water delivery pipe 3 to filter the fluid inside; the external thread pipe 63 is in threaded fit with the pipe sleeve 64, so that the assembly, disassembly and maintenance are convenient; the corrosion-resistant layer 9 can protect and isolate the water pipe 3, the external threaded pipe 63 and the shell 62 made of metal from being corroded by fluid; the sealing layer 10 and the arc 11 can be tightly attached after the filter block 61 is assembled, and the sealing performance is strong; the wearing condition of the filter block 61 can be seen through the matching of the rectangular groove 7 and the perspective mirror 8 regularly, so that the filter block can be maintained and replaced in time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. A metal valve seat for a diaphragm valve, comprising: the water-saving valve comprises a valve seat main body (1), wherein a flange plate (2) is fixedly installed on the upper side of the valve seat main body (1), water conveying pipes (3) are fixedly installed on the left side and the right side of the valve seat main body (1), and a filtering device (6) is installed on the lower side of each water conveying pipe (3);

the filtering device (6) comprises external threaded pipes (63) fixedly mounted on the lower sides of the left and right water conveying pipes (3), pipe sleeves (64) are screwed on the outer sides of the external threaded pipes (63), shells (62) are fixedly mounted on the lower sides of the pipe sleeves (64), the inner diameters of the shells (62) are the same as those of the external threaded pipes (63), and filtering blocks (61) are mounted inside the water conveying pipes (3), the external threaded pipes (63) and the shells (62).

2. A metal valve seat for a diaphragm valve according to claim 1, wherein: the inner surfaces of the water pipe (3), the external threaded pipe (63) and the shell (62) are fixedly provided with corrosion-resistant layers (9), the inner surfaces of the corrosion-resistant layers (9) are fixedly provided with sealing layers (10), and the sealing layers (10) are tightly attached to the outer surfaces of the filter blocks (61).

3. A metal valve seat for a diaphragm valve according to claim 1, wherein: and the upper side of the filter block (61) is provided with an arc (11) matched with the sealing layer (10).

4. A metal valve seat for a diaphragm valve according to claim 1, wherein: the outer end of the outer surface of the water conveying pipe (3) on the left side and the right side is sleeved with a thread (4), and the outer side of the thread (4) is screwed with a clamping ring (5).

5. A metal valve seat for a diaphragm valve according to claim 1, wherein: the utility model discloses a visual window, including shell (62), the surface front side of shell (62) is opened and is equipped with rectangular channel (7), the inside fixed mounting of rectangular channel (7) has perspective mirror (8).