CN210664945U

CN210664945U - Soft sealing butterfly valve leakproofness detection device

Info

Publication number: CN210664945U
Application number: CN201921876697.3U
Authority: CN
Inventors: 李中涛
Original assignee: Tianjin Guanlong Valve Co Ltd
Current assignee: Tianjin Guanlong Valve Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-02
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a soft seal butterfly valve leakproofness detection device, including the detection machine case, the slip recess one that has the level to set up is seted up to the one end in the middle of the detection machine roof portion, the slip recess two that has the level to set up is seted up to the other end in the middle of the detection machine roof portion, sliding connection has the removal fixed block one of vertical setting between the both sides inner wall of slip recess one. The utility model discloses in, detection device's the slip recess that is provided with two mutual divisions on the whole, and two interactive recess difference sliding connection have the removal fixed block, at the in-process that uses, the tight of butterfly valve can be realized with adjusting disk two to the direct manual rotation adjusting disk of operating personnel, the removal fixed mode that uses the threaded rod can not produce after the removal fixed block presss from both sides tightly not hard up, compare electronic detection device, press from both sides tight back motor shutdown, make and press from both sides tight piece and can produce not hard up, make the detection of leakproofness more accurate.

Description

Soft sealing butterfly valve leakproofness detection device

Technical Field

The utility model relates to a butterfly valve production technical field especially relates to a soft sealing butterfly valve leakproofness detection device.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

In the production process of butterfly valve, can pass through the testing process of leakproofness, whether the leakproofness of confirming the butterfly valve is up to standard, but present butterfly valve manufacturer is at the in-process of production, and the process of detection is through motor drive mechanism with the butterfly valve clamp tight detection, but at the tight back of motor operation clamp, motor stall for the butterfly valve has not hard up sign when bearing powerful pressure, makes the result of detection not accurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sealing performance detection device for a soft sealing butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a soft seal butterfly valve leakproofness detection device, includes and detects quick-witted case, the slip recess one that has the level to set up is seted up to the one end in the middle of the detection machine roof portion, the slip recess two that has the level to set up is seted up to the other end in the middle of the detection machine roof portion, sliding connection has the removal fixed block one of vertical setting between the both sides inner wall of slip recess one, sliding connection has the removal fixed block two of vertical setting between the both sides inner wall of slip recess two, remove one side of fixed block one and seted up first hole, and the sealed gas box that has the level to set up of the sealed cup jointing of one end of first hole, the barometer one of vertical setting is installed at the top of sealed gas box, the bottom inner wall of detection machine roof portion has the.

Preferably, two movable wheels are mounted at two ends of the bottom of the detection case.

Preferably, a second hole is formed in one side of the second movable fixing block, and an air inlet box which is horizontally arranged is installed at one end of the second hole.

Preferably, the top of the air inlet box is provided with a third hole, and the top of the third hole is provided with a second barometer for setting diastolic pressure.

Preferably, the inner walls of the first sliding groove and the second sliding groove are respectively sleeved with a horizontally arranged threaded screw rod through a bearing, one end of each threaded screw rod is provided with a first adjusting disc and a second adjusting disc, and the two threaded screw rods are respectively in threaded sleeve connection with the first moving fixing block and the second moving fixing block.

Preferably, one end of the first movable fixing block, which is close to the second movable fixing block, is pressed with a vertically arranged sealing washer.

Preferably, one side of the detection case, which is located on the first sliding groove and the second sliding groove, is provided with a limiting hole, one side of the first movable fixing block and one side of the second movable fixing block are provided with a fixing plate, the top of the fixing plate is provided with a fixing hole, and the fixing hole and the limiting hole are fixed through a bolt.

The utility model has the advantages that:

1. this soft seal butterfly valve leakproofness detection device, detection device's the slip recess that is provided with two mutual divisions on the whole, and two interactive recess difference sliding connection have the removal fixed block, at the in-process that uses, the tight of butterfly valve can be realized with adjusting disk two to the direct manual rotation adjusting disk of operating personnel, the removal fixed mode that uses the threaded rod can not produce not hard up after making the removal fixed block press from both sides tightly, compare electronic detection device, the motor stall after pressing from both sides tightly, make and press from both sides tight piece and can produce not hard up, make the detection of leakproofness more accurate.

2. This soft seal butterfly valve leakproofness detection device, the one end that removes fixed block one and remove the fixed block two and be close to at detection device all is provided with seal ring for through the more sealed exactness of seal ring when the butterfly valve presss from both sides tightly each other, make the leakproofness detect more accurately.

3. This soft sealing butterfly valve leakproofness detection device sets up the spacing hole of vertical setting at the top of detection device's detection machine case, and removes fixed block one and remove and be provided with the horizontally fixed plate between the fixed block two, and the fixed orifices has been seted up at the top of fixed plate, and the fixed orifices passes through the bolt with the spacing hole at top and fixes mutually for remove the fixed more stable of fixed block.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for detecting the sealing performance of a soft seal butterfly valve according to the present invention;

fig. 2 is a schematic structural view of an air pump of the device for detecting the sealing performance of the soft seal butterfly valve provided by the present invention;

fig. 3 is a schematic diagram of a limiting hole structure of a device for detecting the sealing performance of a soft seal butterfly valve according to the present invention;

fig. 4 is the utility model provides a fixed orifices structural sketch of soft seal butterfly valve leakproofness detection device.

In the figure: the device comprises a movable wheel 1, a detection case 2, a regulating disc I3, a sealing air box 4, a barometer I5, a movable fixed block I6, a sealing washer 7, a sliding groove I8, a sliding groove II 9, a movable fixed block II 10, a barometer II 11, an air inlet box 12, a threaded screw rod 13, a regulating disc II 14, an air pump 15 and a fixing hole 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a device for detecting the tightness of a soft seal butterfly valve comprises a detection case 2, a first sliding groove 8 horizontally arranged is formed in one end of the middle of the top of the detection case 2, a second sliding groove 9 horizontally arranged is formed in the other end of the middle of the top of the detection case 2, a first vertically arranged movable fixed block 6 is slidably connected between inner walls of two sides of the first sliding groove 8, a second vertically arranged movable fixed block 10 is slidably connected between inner walls of two sides of the second sliding groove 9, a first hole is formed in one side of the first movable fixed block 6, a seal air box 4 horizontally arranged is hermetically sleeved at one end of the first hole, a first vertically arranged air pressure gauge 5 is installed at the top of the seal air box 4, and an air pump 15 horizontally arranged is connected to the inner wall of the bottom of the detection case 2 through.

The utility model discloses in, two removal wheels 1 are all installed at the bottom both ends of detection machine case 2, the second hole has been seted up to one side of removing two 10 fixed blocks, and the one end of second hole installs the air inlet box 12 that the level set up, the third hole has been seted up at the top of air inlet box 12, and the barometer two 11 that the diastolic pressure set up is installed at the top of third hole, the screw lead screw 13 that the level set up is all cup jointed through the bearing to the one end inner wall of slip recess one 8 and slip recess two 9, and adjusting disk one 3 and adjusting disk two 14 are installed respectively to the one end of two screw lead screws 13, and two screw lead screws 13 cup joint in removing fixed block one 6 and removing fixed block two 10 screw threads respectively, the one end that removes fixed block one 6 and remove fixed block two 10 and is close to mutually all have seal ring 7 of vertical setting.

Example 2

Referring to fig. 2-4, in the device for detecting the sealing performance of the soft seal butterfly valve, limiting holes are formed in one side, located on a first sliding groove 8 and a second sliding groove 9, of a detection case 2, fixing plates are mounted on one sides, located on a first moving fixing block 6 and a second moving fixing block 10, of the detection case, fixing holes 16 are formed in the tops of the fixing plates, and the fixing holes 16 and the limiting holes are fixed through bolts.

The working principle is as follows: when the device for detecting the tightness of the soft sealing butterfly valve is used, an operator firstly moves the detection device to a proper position through the moving wheel 1 at the bottom, the operator fixes the butterfly valve end to be detected between the first moving fixing block 6 and the second moving fixing block 10, the operator respectively rotates the first adjusting disk 3 and the second adjusting disk 14 to enable the first moving fixing block 6 and the second moving fixing block 10 to be close to each other, the two ends of the butterfly valve are clamped by the sealing washer 7, the air outlet end of the air pump 15 is connected with the air inlet end of the air inlet box 12 by an operator, the butterfly valve is closed by the operator at first, the air pump 15 is started to add air, the second barometer 11 is read stably, if the first barometer 5 does not react, the valve switch is sealed, then the butterfly valve is opened, so that the readings of the first barometer 5 and the second barometer 11 are stable, and if the readings of the first barometer and the second barometer are consistent, the two barometers are sealed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A tightness detection device for a soft seal butterfly valve comprises a detection case (2) and is characterized in that, one end of the middle of the top of the detection case (2) is provided with a first sliding groove (8) which is horizontally arranged, the other end of the middle of the top of the detection case (2) is provided with a second sliding groove (9) which is horizontally arranged, a vertically arranged movable fixed block I (6) is connected between the inner walls of the two sides of the sliding groove I (8) in a sliding way, a vertically arranged second movable fixing block (10) is connected between the inner walls of the two sides of the second sliding groove (9) in a sliding manner, a first hole is formed in one side of the first movable fixing block (6), one end of the first hole is hermetically sleeved with a horizontally arranged sealing air box (4), the top of the sealing air box (4) is provided with a vertically arranged barometer I (5), the inner wall of the bottom of the detection case (2) is connected with a horizontally arranged air pump (15) through a bolt.

2. The device for detecting the tightness of the soft seal butterfly valve according to claim 1, characterized in that two movable wheels (1) are installed at both ends of the bottom of the detection case (2).

3. The tightness detection device of the soft seal butterfly valve according to claim 1, characterized in that a second hole is opened on one side of the second movable fixing block (10), and an air inlet box (12) horizontally arranged is installed at one end of the second hole.

4. The tightness detection device of the soft seal butterfly valve according to claim 3, characterized in that a third hole is opened on the top of the air inlet box (12), and a second barometer (11) with diastolic pressure is installed on the top of the third hole.

5. The tightness detection device of the soft seal butterfly valve according to claim 4, wherein the inner walls of one ends of the first sliding groove (8) and the second sliding groove (9) are respectively sleeved with a horizontally arranged threaded screw rod (13) through a bearing, one ends of the two threaded screw rods (13) are respectively provided with a first adjusting disk (3) and a second adjusting disk (14), and the two threaded screw rods (13) are respectively in threaded sleeve connection with the first movable fixing block (6) and the second movable fixing block (10).

6. The device for detecting the tightness of the soft sealing butterfly valve according to claim 5, wherein a vertically arranged sealing gasket (7) is pressed at one end of the first movable fixing block (6) close to one end of the second movable fixing block (10).

7. The device for detecting the tightness of the soft seal butterfly valve according to claim 1, wherein one side of the detection case (2) positioned at the first sliding groove (8) and the second sliding groove (9) is provided with a limiting hole, one side of the first movable fixed block (6) and one side of the second movable fixed block (10) are provided with a fixed plate, the top of the fixed plate is provided with a fixed hole (16), and the fixed hole (16) and the limiting hole are fixed through a bolt.