CN211121844U

CN211121844U - A device that leaks hunting for valve block processing

Info

Publication number: CN211121844U
Application number: CN201922190667.3U
Authority: CN
Inventors: 庹先定
Original assignee: Awit Precision Machinery Changshu Co Ltd
Current assignee: Awit Precision Machinery Changshu Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-28
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a leak hunting device for valve block processing, the valve block includes the valve pocket, the valve pocket respectively with be located the upper mounting port of top, be located the lower mounting port of below, be located left mounting port and be located the right mounting port intercommunication on right side, leak hunting device includes the upper seal that is located the top respectively and is used for the upper mounting port to seal and presses the subassembly and be located the below and be used for the sealed sealing base of lower mounting port, left mounting port seal installation connects the first seal valve, right mounting port seal installation connects the second seal valve, the valve pocket is as the sealed valve pocket of leak hunting, the gas injection passageway of leak hunting device communicates with the gas source through the pressure valve, the gas tightness detection to the valve block is realized to the injected gas in the sealed valve pocket of leak hunting to the selectivity; the utility model discloses effectively realizing the gas tightness that adds man-hour to the valve block and detecting, simple structure simultaneously, the operation of being convenient for is fit for as the gas tightness quality testing instrument that adds man-hour of valve block batch production.

Description

A device that leaks hunting for valve block processing

Technical Field

The utility model belongs to a processing spare part is with device that leaks hunting, concretely relates to device that leaks hunting for valve block processing.

Background

The valve block workpiece is used as a valve body structure with high air tightness requirement, and the sealing performance of the valve block workpiece is improved during machining and forming, so that the problem of leakage detection of the valve block is avoided. Because there is the variety in valve block structure itself, the device of leaking hunting that directly purchases available on the market can't satisfy its gas tightness and detect the demand, consequently, present valve block work piece can not carry out the gas tightness usually after machine-shaping and detect or simply detect through artifical manual operation, has the quality hidden danger.

The applicant wishes to seek a technical solution for achieving the tightness detection of the valve block during machining.

Disclosure of Invention

In view of this, the utility model aims at providing a leak hunting device for valve piece processing effectively realizes detecting the gas tightness when adding man-hour to the valve piece, and simple structure is convenient for operate simultaneously, is fit for as the gas tightness quality testing instrument of valve piece batch production man-hour.

The utility model adopts the technical scheme as follows:

the utility model provides a device that leaks hunting for valve piece processing, the valve piece includes the valve pocket, the valve pocket respectively with be located the last installing port of top, the lower installing port that is located the below is located left installing port and is located the right installing port intercommunication on right side, the device that leaks hunting is including being located the top respectively and being used for go up the sealed last seal of installing port and press the subassembly and be located the below and be used for down the sealed seal base of installing port is sealed, the sealed installation of left side installing port connects first seal valve, the sealed installation of right side installing port connects the second seal valve, the sealed valve pocket that leaks hunting is regarded as to the valve pocket, the gas injection passageway of device that leaks hunting passes through pressure valve and gas source intercommunication, the selectivity to it is right to inject gaseous realization in the sealed valve pocket that leaks hunting.

Preferably, the upper sealing pressing assembly comprises an upper sealing plate which is hermetically mounted at the upper mounting opening through a first sealing ring, and the upper sealing plate is in contact clamping with the upper pressing clamp through an upper positioning pressing block.

Preferably, the upper pressing clamp comprises a clamp mounting plate which is matched with the upper positioning pressing block in a fastening and mounting mode, and the clamp mounting plate is fixedly connected with the handle pressing type clamp.

Preferably, the sealing base comprises a bottom mounting plate located at the bottom, a lower sealing plate is fixedly mounted on the bottom mounting plate, and the lower sealing plate is hermetically mounted at the lower mounting opening through a second sealing ring.

Preferably, the first sealing valve and the second sealing valve are distributed in a bilateral symmetry structure, wherein the first sealing valve comprises a sealing valve body fixedly mounted on the sealing base through a valve body mounting block, the sealing valve body is hermetically connected with the left mounting port through a sealing mounting block, and the sealing valve body is fixedly connected with the sealing mounting block through a connecting pipeline.

Preferably, the sealing valve body comprises a pull-out push-down locking structure.

Preferably, the connecting pipeline comprises a first connecting pipe fixedly arranged on the sealing valve body and a second connecting pipe fixedly inserted on the inner periphery of the sealing mounting block, and the first connecting pipe is fixedly connected with the second connecting pipe in a thread locking manner.

Preferably, a gas injection channel is arranged in the sealing base, and the pressure valve is communicated with the leak detection sealing valve cavity through the gas injection channel.

It is common knowledge that a person skilled in the art can know, from the structural description of the present application: the gas injection passageway of this application is connected through the end of giving vent to anger of connecting tube and pressure valve, and the income gas end of pressure valve passes through connecting tube and inserts external gas source.

The utility model discloses a by the sealed subassembly of pressing of last seal that is used for the upper mounting port to seal, a sealed base that is used for the lower mounting port to seal, with the first seal valve of left mounting port seal installation, and with the second seal valve of right mounting port seal installation form the sealed valve pocket of leaking hunting fast, when actually implementing the use, after forming the sealed valve pocket of leaking hunting, the gas of external gas source pours into the gas injection passageway of the leak hunting device into the gas of fixed pressure, when observing that the inlet end and the outlet end of pressure valve reach pressure balance, the inlet end of pressure valve is stopped, it changes to observe the pressure of the sealed valve pocket of leaking hunting through the pressure valve simultaneously, estimate the gas tightness of valve block according to this change value condition; the utility model discloses simple structure, the operation of being convenient for is fit for as the gas tightness quality testing instrument that valve piece batch production adds man-hour.

Drawings

Fig. 1 is a schematic view of an installation structure of a leak detector 200 according to an embodiment of the present invention in a use state;

fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Detailed Description

The embodiment of the utility model discloses a device that leaks hunting for valve piece processing, the valve piece includes the valve pocket, the valve pocket respectively with be located the last installing port of top, be located the lower installing port of below, be located left installing port and be located the right installing port intercommunication on right side, the device that leaks hunting is including being located the top respectively and being used for the sealed last sealed subassembly of pressing of last installing port and being located the below and being used for the sealed sealing base of installing port down, left side installing port seal installation connects first seal valve, right side installing port seal installation connects the second seal valve, the valve pocket is as the sealed valve pocket that leaks hunting, the gas injection passageway of the device that leaks hunting passes through pressure valve and gas source intercommunication, the selectivity is to the gas tightness detection of valve piece of the sealed valve pocket that leaks hunting.

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a leakage detection device 200 for processing a valve block 100, the valve block 100 includes a valve cavity 110, the valve cavity 110 is respectively communicated with an upper mounting port 120 located above, a lower mounting port 130 located below, a left mounting port 140 located on the left side and a right mounting port 150 located on the right side, the leakage detection device 200 includes an upper seal pressing assembly 210 located above and used for sealing the upper mounting port 120 and a seal base 220 located below and used for sealing the lower mounting port 130, the left mounting port 140 is sealingly mounted and connected with a first seal valve 230, the right mounting port 150 is sealingly mounted and connected with a second seal valve 240, the valve cavity 110 serves as a leakage detection seal valve cavity, a gas injection channel (not shown) of the leakage detection device 200 is communicated with a gas source (not shown) through a pressure valve 250 (obtained by direct market purchase), and gas is selectively injected into the leakage detection seal valve cavity to achieve gas tightness detection of the valve block 100;

preferably, in the present embodiment, the upper seal pressing assembly 210 includes an upper seal plate 212 sealingly mounted to the upper mounting opening 120 by a first seal ring 211, and the upper seal plate 212 is clamped in contact with the upper pressing jig by an upper positioning press 213; specifically, in the present embodiment, the upper pressing fixture includes a fixture mounting plate 214 tightly fitted with the upper positioning press block 213, and a handle pressing fixture 215 is fixedly connected to the fixture mounting plate 214; particularly preferably, in the present embodiment, the upper positioning pressing block 213 includes an integrally formed lower stable tapered surface portion 213a and an upper connecting column 213b, and is locked with the upper sealing plate 212 and the clamp mounting plate 214 by fasteners; preferably, in the present embodiment, the sealing base 220 includes a bottom mounting plate 221 located at the bottom, a lower sealing plate 222 is fixedly mounted on the bottom mounting plate 221, and the lower sealing plate 222 is sealingly mounted at the lower mounting opening 130 through a second sealing ring 223;

preferably, in the present embodiment, the first sealing valve 230 and the second sealing valve 240 are distributed in a bilaterally symmetrical structure, wherein the first sealing valve 230 includes a sealing valve body 231, and particularly, the sealing valve body 231 of the present embodiment is in a pull-out type pressing and locking structure; the sealing valve body 231 is fixedly arranged on the bottom mounting plate 221 of the sealing base 220 through a valve body mounting plate 234 and is connected with the left mounting port 140 in a sealing manner through a sealing mounting block 232, and meanwhile, the sealing valve body 231 is communicated with the left mounting port 140 through a connecting pipeline 233; further preferably, in this embodiment, the connecting pipeline 233 includes a first connecting pipe 233a fixedly disposed on the sealing valve body 231, and a second connecting pipe 233b fixedly inserted and mounted on the inner periphery of the sealing mounting block 232, and the first connecting pipe 233a and the second connecting pipe 233b are fixedly fastened by screwing, so as to achieve stable sealing mounting; particularly preferably, an air injection channel is arranged inside the bottom mounting plate 221, and the pressure valve is communicated with the leakage detection sealing valve cavity through the air injection channel 250, so that the structure is convenient to compact.

In the embodiment, a leak-detecting sealed valve cavity is quickly formed by the upper seal pressing assembly 210 for sealing the upper mounting port 120, the seal base 220 for sealing the lower mounting port 130, the first seal valve 230 sealingly mounted with the left mounting port 140, and the second seal valve 240 sealingly mounted with the right mounting port 150, when the leak-detecting sealed valve cavity is actually implemented and used, after the leak-detecting sealed valve cavity is formed, an external gas source injects gas with fixed pressure into a gas injection channel of the leak-detecting device 200, when the gas inlet end and the gas outlet end of the pressure valve 250 reach pressure balance, the gas inlet end of the pressure valve 250 is stopped, and meanwhile, whether the pressure of the leak-detecting sealed valve cavity is changed or not is observed through the pressure valve 250, and the air tightness of the valve block is evaluated according to the changed value; the embodiment has simple structure and convenient operation, and is suitable for being used as an air tightness quality inspection tool in the batch production and processing of the valve block 100.

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. The utility model provides a leak hunting device for valve block processing, the valve block includes the valve pocket, the valve pocket respectively with be located the top installing port of top, the lower installing port that is located the below, be located left installing port and be located the right installing port intercommunication on right side, its characterized in that, leak hunting device is including being located the top respectively and being used for go up the sealed last sealed pressing component of installing port and being located the below and being used for the sealed seal base of installing port down, left side installing port seal installation connects first seal valve, right side installing port seal installation connects the second seal valve, the valve pocket is as the sealed valve pocket of leak hunting, the gas injection passageway of leak hunting device passes through pressure valve and gas source intercommunication, the selectivity to the gas injection realization in the sealed valve pocket of leak hunting is right the gas tightness of valve block detects.

2. The leak detection device for processing the valve block as claimed in claim 1, wherein the upper sealing pressing assembly comprises an upper sealing plate which is mounted on the upper mounting opening in a sealing mode through a first sealing ring, and the upper sealing plate is clamped with an upper pressing fixture in a contact mode through an upper positioning pressing block.

3. The leak hunting device for processing the valve block as claimed in claim 2, wherein the upper pressing fixture comprises a fixture mounting plate which is tightly and fixedly matched with the upper positioning pressing block, and a handle pressing type fixture is fixedly connected to the fixture mounting plate.

4. The leak detection device for processing the valve block as claimed in claim 1, wherein the sealing base comprises a bottom mounting plate at the bottom, a lower sealing plate is fixedly mounted on the bottom mounting plate, and the lower sealing plate is hermetically mounted at the lower mounting opening through a second sealing ring.

5. The leak detection device for processing the valve block as claimed in claim 1, wherein the first sealing valve and the second sealing valve are distributed in a bilaterally symmetrical structure, wherein the first sealing valve comprises a sealing valve body fixedly mounted on the sealing base through a valve body mounting block, and the sealing valve body is sealingly connected with the left mounting opening through the sealing mounting block, and the sealing valve body is fixedly connected with the sealing mounting block through a connecting pipe.

6. The leak detection device for valve block machining according to claim 5, wherein the sealing valve body comprises a switching type pressing locking structure.

7. The leak detection device for processing the valve block as claimed in claim 5, wherein the connection pipeline comprises a first connection pipe fixedly arranged on the sealing valve body and a second connection pipe fixedly inserted on the inner periphery of the sealing installation block, and the first connection pipe is fixedly connected with the second connection pipe in a thread locking manner.

8. The leak detection device for processing the valve block as claimed in claim 1, wherein the gas injection channel is provided in the sealing base, and the pressure valve is communicated with the leak detection sealing valve cavity through the gas injection channel.