CN216410658U

CN216410658U - Intelligent breather valve calibration stand

Info

Publication number: CN216410658U
Application number: CN202123183609.1U
Authority: CN
Inventors: 程磊
Original assignee: Hebei Special Equipment Testing Co ltd
Current assignee: Hebei Special Equipment Testing Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-29
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an intelligent breather valve checking table, which comprises a checking table main body and a breather valve, wherein the breather valve is provided with a first interface and a second interface, a containing cavity is arranged in the breather valve, a positive pressure valve disc and a negative pressure valve disc are arranged in the containing cavity, the top of the checking table main body is fixedly connected with a flange matched with the first interface, the flange and the outer side of the first interface are provided with clamping parts, the checking table main body is internally provided with an air cavity, the air cavity is communicated with the containing cavity through the first interface, the bottom of the air cavity is respectively provided with an inflation inlet and an exhaust inlet, the inflation inlet is communicated with an inflator through a pipeline, the exhaust inlet is communicated with an air pump through a pipeline, the inflator and the air pump are respectively and electrically connected with a controller, and the second interface is communicated with an indicating part. The safe use of the storage tank connected with the breather valve is ensured.

Description

Intelligent breather valve calibration stand

Technical Field

The utility model relates to the technical field of breather valve calibration, in particular to an intelligent breather valve calibration stand.

Background

The breather valve is a valve which can ensure that the storage tank space is isolated from the atmosphere within a certain pressure range and can be communicated with the atmosphere (breathe) when the pressure exceeds or is lower than the pressure range. The function of the device is to prevent the storage tank from being damaged due to overpressure or vacuum, and simultaneously, the evaporation loss of the stored liquid can be reduced. The breather valve is a safe and energy-saving product for maintaining the air pressure balance of the storage tank and reducing the volatilization of the medium, the breather valve fully utilizes the bearing capacity of the storage tank to reduce the discharge of the medium, and the principle of the breather valve is to utilize the weight of a positive-negative pressure valve disc to control the positive exhaust pressure and the negative suction pressure of the storage tank; when the medium is pumped out of the tank, the pressure of the upper gas space in the tank is reduced, and the operation negative pressure of the breather valve is reached, the negative pressure valve disc of the top breather valve is pushed open by the atmosphere outside the tank, so that the external gas enters the tank, the pressure in the tank is not reduced any more, the pressure inside the tank is balanced with the pressure outside the tank, and the safety device of the storage tank is protected. But because the breathing valve body block, the user can't be through the safety in utilization of the basin that the naked eye observation judges that the breather valve can normally work, can't guarantee the breather valve and connect, so need a breather valve check table to check up the breather valve urgently, guarantee that the breather valve after the installation can normally work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent breather valve calibration stand to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides an intelligent breather valve calibration stand which comprises a calibration stand main body and a breather valve, wherein a first interface and a second interface are arranged on the breather valve, a containing cavity is arranged in the breather valve, a positive pressure valve disc and a negative pressure valve disc are arranged in the containing cavity, a flange matched with the first interface is fixedly connected to the top of the calibration stand main body, a clamping part is arranged on the outer side of the flange and the first interface, an air cavity is arranged in the calibration stand main body, the air cavity is communicated with the containing cavity through the first interface, an inflation inlet and an air exhaust outlet are respectively arranged at the bottom of the air cavity, the inflation inlet is communicated with an inflator through a pipeline, the air exhaust outlet is communicated with an air extractor through a pipeline, the inflator and the air extractor are respectively and electrically connected with a controller, and the second interface is communicated with an indicating part.

Preferably, the joint portion includes two circular arc chucks, the joint groove has been seted up in the circular arc chuck, the flange with first interface is located the joint inslot and respectively with joint groove lateral wall butt, the equal fixedly connected with in circular arc chuck both ends is connected the arch, set up threaded hole in the connection arch, two screw holes on the different circular arc chucks pass through bolted connection.

Preferably, the instruction portion include with the connecting cover that first interface is linked together, connecting cover fixedly connected with instructs the casing, the slip chamber has been seted up in the instruction casing, the slip chamber with connecting cover intercommunication, slip intracavity sliding connection has the slide, the slide with the slip chamber size cooperatees, the slide not with the both sides face of slip intracavity wall contact with a plurality of compression spring of fixedly connected with respectively between the slip intracavity wall, slide fixedly connected with indicator lever, the indicator lever runs through instruct the casing lateral wall and with instruct casing lateral wall sliding connection.

Preferably, a sealing washer is arranged between the flange and the first interface, one side of the sealing washer is fixedly connected with the flange, and the other side of the sealing washer is abutted against the first interface.

Preferably, a chamfer is formed at the notch of the clamping groove, the width of the clamping groove is larger than the sum of the heights of the flange and the first interface, and the width of the clamping groove is smaller than the sum of the heights of the flange, the first interface and the sealing gasket.

Preferably, positive pressure valve disc butt has the malleation disk seat, negative pressure valve disc butt has the negative pressure disk seat, malleation disk seat and negative pressure disk seat all with hold intracavity wall fixed connection, first interface is located positive pressure valve disc below, the second interface is located between malleation valve disc and the negative pressure valve disc.

Preferably, the arc chuck is semicircular, and the groove depth of the clamping groove on the arc chuck is matched with the flange.

The utility model discloses the following technical effects: according to the utility model, the flange on the checking table main body is clamped with the first interface through the clamping part, so that the stability and the sealing property between the flange and the first interface are ensured, then the controller is used for respectively controlling the inflator and the air extractor to work, and the breathing valve can be checked by continuously inflating or exhausting air into the accommodating cavity and observing the reaction of the indicating part, so that whether the breathing valve can normally work or not is judged, and the checking on the breathing valve is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of a breather valve calibration stand according to the present invention;

FIG. 2 is a schematic view of a circular chuck according to the present invention;

FIG. 3 is a front view of the present invention of a circular arc chuck;

wherein: 1-a calibration stand main body, 2-a breather valve, 3-a first interface, 4-a second interface, 5-a containing cavity, 6-a positive pressure valve disc, 7-a negative pressure valve disc, 8-a flange, 9-an air cavity, 10-an inflation inlet, 11-an air suction inlet, 12-an inflator, 13-an air pump, 14-a controller, 15-an arc chuck, 16-a clamping groove, 17-a connecting bulge, 18-a threaded hole, 19-a connecting cover, 20-an indicating shell, 21-a sliding cavity, 22-a sliding plate, 23-a compression spring, 24-an indicating rod, 25-a sealing gasket, 26-a positive pressure valve seat and 27-a negative pressure valve seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-3, the utility model provides an intelligent breather valve calibration stand, which comprises a calibration stand main body 1 and a breather valve 2, wherein the breather valve 2 is provided with a first interface 3 and a second interface 4, the breather valve 2 is internally provided with a containing cavity 5, a positive pressure valve disc 6 and a negative pressure valve disc 7 are installed in the containing cavity 5, the top of the calibration stand main body 1 is fixedly connected with a flange 8 matched with the first interface 3, the flange 8 and the outer side of the first interface 3 are provided with clamping parts, the calibration stand main body 1 is internally provided with an air cavity 9, the air cavity 9 is communicated with the containing cavity 5 through the first interface 3, the bottom of the air cavity 9 is respectively provided with an inflation inlet 10 and an air exhaust outlet 11, the inflation inlet 10 is communicated with an inflator 12 through a pipeline, the air exhaust outlet 11 is communicated with an air extractor 13 through a pipeline, the inflator 12 and the air extractor 13 are respectively and electrically connected with a controller 14, and the second interface 4 is communicated with an indicating part. Through flange 8 and the looks joint of first interface 3 on the joint portion with the check-up platform main part 1, guarantee stability and leakproofness between the two, then control inflator 10 and air extractor 11 work respectively through controller 14, aerify or bleed in holding chamber 5 through lasting, observe the reaction of instruction portion, can more audio-visual judgement breather valve 2 whether carry out work, realized the check-up to breather valve 2.

In a further optimized scheme, the inflator 10 is a BAUER200-TE inflator, the air extractor 11 is an szb-8 air extractor, and the controller 14 is a PLC controller.

Further optimize the scheme, joint portion includes two circular arc chucks 15, has seted up joint groove 16 in the circular arc chuck 15, and flange 8 is located joint groove 16 with first interface 3 and respectively with 16 lateral walls butts in joint groove, the equal fixedly connected with in circular arc chuck 15 both ends connect arch 17, connect and offer threaded hole 18 on the arch 17, two threaded holes 18 on the different circular arc chucks 15 pass through bolted connection. Utilize two circular arc chucks 15 to enclose into circularly, fix arch 8 and first interface 3, increase holistic stability, connect screw hole 18 through the bolt, can prevent that circular arc chuck 15 from droing.

Further optimize the scheme, the instruction portion includes the connecting cover 19 that is linked together with first interface 3, connecting cover 19 fixedly connected with instructs casing 20, it has slide chamber 21 to instruct to have seted up in the casing 20, slide chamber 21 and connecting cover 19 intercommunication, sliding connection has slide 22 in the slide chamber 21, slide 22 and slide chamber 21 size cooperate, slide 22 not with slide chamber 21 inner wall contact's both sides face and slide chamber 21 inner wall between a plurality of compression spring 23 of fixedly connected with respectively, slide 22 fixedly connected with instruction pole 24, instruction pole 24 run through instruct casing 20 lateral wall and with instruct casing 20 lateral wall sliding connection. Through the slide board 22 drive instruction pole 24 motion that slides in sliding chamber 21, people can judge whether breather valve 2 normally carries out work through observing the length of instruction pole 24 in the sliding chamber 21 outside, and is more directly perceived to the judgement of result.

According to a further optimized scheme, a sealing washer 25 is arranged between the flange 8 and the first interface 3, one side of the sealing washer 25 is fixedly connected with the flange 8, and the other side of the sealing washer 25 is abutted to the first interface 3. The sealing washer 25 is arranged between the flange 8 and the first interface 3, and can be matched with the clamping groove 16 to seal the first interface, so that the sealing performance is enhanced.

In a further optimized scheme, a chamfer is formed in the notch of the clamping groove 16, the groove width of the clamping groove 16 is larger than the sum of the heights of the flange 8 and the first interface 3, and the groove width of the clamping groove 16 is smaller than the sum of the heights of the flange 8, the first interface 3 and the sealing washer 25. Make joint groove 16 extrude flange 8, first interface 3 and seal ring 25 at carrying out the joint in-process, can guarantee the leakproofness between flange 8 and the first interface 3 when fixed.

Further optimize the scheme, positive pressure valve disc 6 butt has positive pressure valve seat 26, and negative pressure valve disc 7 butt has negative pressure valve seat 27, and positive pressure valve seat 26 all with hold 5 inner walls fixed connection in chamber with negative pressure valve seat 27, first interface 3 is located positive pressure valve disc 6 below, and second interface 4 is located between positive pressure valve disc 6 and the negative pressure valve disc 7. Positive pressure valve disc 6 and positive pressure valve seat 26 butt, negative pressure valve disc 7 and negative pressure valve seat 27 butt, make 2 inside at the breather valve keep sealed when quiescent condition, first interface 3 is located positive pressure valve disc 6 below, be convenient for positive pressure valve disc 6 in time reacts when the 3 pressure of first interface increases, adjust, second interface 4 is located between positive pressure valve disc 6 and the negative pressure valve disc 7, can drive the rising of negative pressure valve disc 7 simultaneously to positive pressure valve disc 6 applys pressure at balanced negative pressure, make positive pressure valve disc 6 and positive pressure valve seat 26 leakproofness better.

In a further optimized scheme, the arc chuck 15 is semicircular, and the groove depth of the clamping groove 16 on the arc chuck 15 is matched with the flange 8. Two circular arc chucks 15 can enclose into circularly, the groove depth of joint groove 16 with flange 8 looks adaptation can guarantee that joint groove 16 can block flange 8 just.

The working process of the utility model comprises the steps of placing the breather valve 2 on the checking table main body 1, enabling the first interface 3 to be matched with the flange 8 of the checking table main body 1, enabling the air cavity 9 to be communicated with the accommodating cavity 5, then clamping two circular arc chucks 15 at the outer sides of the flange 8 and the first interface 3, enabling the flange 8 and the first interface 3 to slide relative to the clamping groove 16 through chamfering, clamping the flange 8 and the first interface 3 together through the clamping groove 16, sealing through a sealing washer 25, then installing a connecting cover 19 at the second interface 4, enabling the sliding plate 22 to be located in the middle of the sliding cavity 21 under the action of compression springs 23 at two sides, enabling the indicating rod 24 to be located at the outer side of the sliding cavity 21, connecting the inflating opening 10 and the inflating machine 12 through a pipeline, connecting the air pumping opening 11 with the air pump 13, controlling the inflating machine 12 to work through the controller 14, enabling the air pump 13 not to work, enabling the inflating machine 12 to inflate into the accommodating cavity 5, the air pressure at the first interface 3 is increased, when the air pressure is increased to the rated value of the positive pressure valve disc 6, the positive pressure valve disc 6 moves upwards, part of the air pressure moves into the sliding cavity 21 through the second interface 4 to extrude the sliding plate 22, so that the sliding plate 22 moves away from the second interface 4, the indicating rod 24 is positioned at the outer part of the sliding cavity 21 and is lengthened, and the breathing valve 2 can normally work under high pressure; the control motor 14 controls the air pump 13 to work, the inflator 12 does not work, the air pressure at the first interface 3 is reduced to form negative pressure, when the negative pressure reaches a certain degree, the negative pressure valve disc 7 is separated from the negative pressure valve seat 27 to attract the second interface 4, the sliding plate 22 is made to slide close to the second inlet 4, the indicating rod 24 is reduced at the outer part of the sliding cavity 21, the breathing valve 2 can work normally when the negative pressure is proved, and the verification of the breathing valve 2 is completed.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. Intelligent breather valve check table, its characterized in that: the check table comprises a check table main body (1) and a breather valve (2), wherein a first interface (3) and a second interface (4) are arranged on the breather valve (2), a containing cavity (5) is formed in the breather valve (2), a positive pressure valve disc (6) and a negative pressure valve disc (7) are arranged in the containing cavity (5), a flange (8) matched with the first interface (3) is fixedly connected to the top of the check table main body (1), a clamping part is arranged on the outer side of the flange (8) and the first interface (3), an air cavity (9) is formed in the check table main body (1), the air cavity (9) is communicated with the containing cavity (5) through the first interface (3), an inflation inlet (10) and an air extraction opening (11) are respectively formed in the bottom of the air cavity (9), the inflation inlet (10) is communicated with an inflator (12) through a pipeline, and the air extraction opening (11) is communicated with an air extractor (13) through a pipeline, the inflator (12) and the air extractor (13) are respectively electrically connected with a controller (14), and the second interface (4) is communicated with an indicating part.

2. The intelligent breathing valve calibration stand of claim 1, wherein: joint portion includes two circular arc chucks (15), joint groove (16) have been seted up in circular arc chuck (15), flange (8) with first interface (3) are located in joint groove (16) and respectively with joint groove (16) lateral wall butt, the equal fixedly connected with in circular arc chuck (15) both ends connects arch (17), connect and offer threaded hole (18) on arch (17), different two on the circular arc chuck (15) threaded hole (18) pass through bolted connection.

3. The intelligent breathing valve calibration stand of claim 1, wherein: the indicating part include with connecting cover (19) that first interface (3) are linked together, connecting cover (19) fixedly connected with instructs casing (20), it has set up slip chamber (21) in instructing casing (20), slip chamber (21) with connecting cover (19) intercommunication, sliding connection has slide (22) in slip chamber (21), slide (22) with slip chamber (21) size cooperatees, slide (22) not with the both sides face of slip chamber (21) inner wall contact with respectively a plurality of compression spring (23) of fixedly connected with between slip chamber (21) inner wall, slide (22) fixedly connected with instructs pole (24), instruct pole (24) to run through instruct casing (20) lateral wall and with instruct casing (20) lateral wall sliding connection.

4. The intelligent breathing valve calibration stand of claim 2, wherein: a sealing washer (25) is arranged between the flange (8) and the first interface (3), one side of the sealing washer (25) is fixedly connected with the flange (8), and the other side of the sealing washer (25) is abutted to the first interface (3).

5. The intelligent breathing valve calibration stand of claim 4, wherein: the groove opening of the clamping groove (16) is provided with a chamfer, the groove width of the clamping groove (16) is larger than the sum of the heights of the flange (8) and the first interface (3), and the groove width of the clamping groove (16) is smaller than the sum of the heights of the flange (8), the first interface (3) and the sealing washer (25).

6. The intelligent breathing valve calibration stand of claim 1, wherein: malleation valve disc (6) butt has malleation disk seat (26), negative pressure valve disc (7) butt has negative pressure valve seat (27), malleation disk seat (26) with negative pressure valve seat (27) all with hold chamber (5) inner wall fixed connection, first interface (3) are located malleation valve disc (6) below, second interface (4) are located malleation valve disc (6) with between negative pressure valve disc (7).

7. The intelligent breathing valve calibration stand of claim 2, wherein: the arc chuck (15) is semicircular, and the groove depth of the clamping groove (16) on the arc chuck (15) is matched with the flange (8).