CN220792063U

CN220792063U - Chemical environment-friendly air pressure isolation valve

Info

Publication number: CN220792063U
Application number: CN202322368866.5U
Authority: CN
Inventors: 王加林
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-16
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a chemical environment-friendly pneumatic isolation valve, which relates to the technical field of chemical valves and comprises a shell, wherein the shell is connected with a rotating part and a pressure relief part. According to the utility model, through the matched use among the rotating part, the plugging part, the frame body and the connecting pipes, the bottom surface of the pushing plate pushes the two sliding plates to slide along the fixed columns to be mutually far away, meanwhile, the sliding plates drive the two sliding columns to mutually far away along the round holes II, and the two sliding columns drive the two plugging heads to respectively correspond to the opposite end side surfaces of the two connecting pipes and are sleeved with the two plugging heads for plugging, so that the effect of isolation and sealing can be achieved, and meanwhile, friction caused during adjustment can be avoided due to the action among the pushing plate, the sliding plates, the sliding columns and the fixed columns, so that abrasion cannot be caused, the isolation and sealing effect cannot be influenced after the sealing device is used for a period of time, and the service life of the sealing device is prolonged.

Description

Chemical environment-friendly air pressure isolation valve

Technical Field

The utility model relates to an isolation valve, in particular to a chemical environment-friendly air pressure isolation valve.

Background

The chemical technology is a technology for obtaining new substances by modifying and synthesizing the existing substances in a chemical mode, and meanwhile, in the chemical production process, the phenomenon of discharging chemical waste gas exists, the chemical gas is generally filtered firstly, is discharged outwards after reaching a qualified discharge standard, a pneumatic isolation valve is arranged on a discharge pipe in the chemical gas filtering process, is generally arranged between an air inlet pipe and a waste gas treatment kettle, and seals the air inlet pipe when the waste gas treatment kettle is used for treating waste gas so as to ensure that the excessive air pressure in the waste gas treatment kettle is not generated;

for the chemical environment-friendly air pressure isolation valve with the authorized bulletin number of CN 208778726U, the push plate is pushed to move by the extrusion head, the push plate is matched with the push rod to push the valve plug to seal the valve groove, and then the air inlet and the air outlet are isolated, so that the isolation effect of the isolation valve is reduced due to the fact that the sealing ring is oxidized and invalid is avoided; the extrusion head on the isolation valve is in extrusion contact friction with two pushing plates, so that the service life of the isolation valve is limited, abrasion is possibly caused by friction between the extrusion head and the two pushing plates when the use times are more, the isolation sealing effect is affected, and then when the inside of the isolation valve is in a closed isolation state, high-pressure chemical gas is stored in the isolation valve, so that poisoning injury is easily caused to an maintainer during maintenance, and the isolation valve is inconvenient to use.

Disclosure of Invention

The utility model aims to provide a chemical environment-friendly pneumatic isolation valve, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chemical industry environmental protection atmospheric pressure isolation valve, includes the casing, the casing is all connected with rotating member and pressure release part, the inside and the framework fixed connection of casing, the framework is all connected with the shutoff part with rotating member, two fixed columns of inside fixedly connected with of framework, the side is about with two connecting pipes fixed connection respectively and rather than inside intercommunication, two the surface of connecting pipe is the opposite ends respectively with two flange fixed connection.

As a preferable technical scheme of the utility model, the rotating part comprises a fixed frame, the fixed frame is fixedly connected with the upper surface of the shell, sliding grooves are formed in the front side surface and the rear side surface of the inside of the fixed frame, the upper end of the fixed frame is rotationally connected with the upper side of a screw rod through a bearing, the lower end of the screw rod is rotationally connected with the shell through a bearing, and the upper end of the screw rod is fixedly connected with a rotating wheel.

As a preferable technical scheme of the utility model, the plugging part comprises a lifting plate, the lower end of the lifting plate corresponds to a rectangular hole which is formed in an upper side plate of the shell and communicated with the inside, the rectangular hole is communicated with a fixed frame and a frame body, the upper end of the right side surface of the lifting plate is fixedly connected with the fixed plate, the fixed plate is in threaded connection with a screw rod, the front side surface and the rear side surface of the lifting plate are respectively and fixedly connected with two sliding blocks, the two sliding blocks are respectively and slidably connected with two sliding grooves, the bottom surface of the lifting plate is respectively and movably connected with the upper ends of two pushing plates through two hinging seats, and the two pushing plates are sleeved with the rectangular hole.

As a preferable technical scheme of the utility model, the lower ends of the two pushing plates are respectively and movably connected with the upper surfaces of the two sliding plates through hinging seats, the two sliding plates are respectively sleeved with the two fixed columns through two round holes I, the opposite side surfaces of the two sliding plates are respectively and fixedly connected with two springs, the four springs are respectively and fixedly connected with the left side surface and the right side surface of the inside of the frame body, and the two springs are respectively sleeved with the two fixed columns.

As a preferable technical scheme of the utility model, the opposite side surfaces of the two sliding plates are respectively fixedly connected with the opposite ends of the two sliding columns, the two sliding columns are respectively sleeved with round holes II formed in the side plates of the left side surface and the right side surface of the frame body, the opposite ends of the two sliding columns are respectively fixedly connected with two bilateral symmetrical plugging heads, and the opposite ends of the two plugging heads are respectively corresponding to the opposite ends of the two connecting pipes.

As a preferable technical scheme of the utility model, the pressure relief component comprises a pressure transmission pipe, the pressure transmission pipe is fixedly connected with the upper side plate of the shell and communicated with the inside of the shell, a pressure gauge is arranged at the upper end of the pressure transmission pipe, the pressure transmission pipe is fixedly connected with a connecting pipe, a ball valve is arranged on the connecting pipe, and the connecting pipe is fixedly connected with the front side plate of the filter frame and communicated with the inside of the filter frame.

As a preferable technical scheme of the utility model, a plurality of filter plates are arranged in the filter frame, the filter frame is fixedly connected with the upper surface of the shell, the rear side surface of the filter plate frame is provided with an opening hole communicated with the inside, and the upper surface of the filter frame is in threaded connection with the cover plate through four screws.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the matched use among the rotating part, the plugging part, the frame body and the connecting pipes, the rotating wheel can be used for driving the screw rod to rotate, the fixed plate descends, meanwhile, the fixed plate drives the lifting plate and the sliding block to slide downwards along the sliding groove, the bottom surface of the lifting plate pushes the two pushing plates to be mutually expanded under the action of the hinging seat, the bottom surface of the pushing plate pushes the two sliding plates to slide along the fixed column to be mutually away, the sliding plates drive the two sliding columns to mutually away along the round hole II, and the two sliding columns drive the two plugging heads to respectively correspond to the opposite end side surfaces of the two connecting pipes and are sleeved with the two plugging heads for plugging, so that the effect of isolation and sealing can be achieved, and meanwhile, friction can be avoided during adjustment due to the action among the pushing plates, the sliding plates and the fixed column, so that the isolation and sealing effects can not be influenced after a period of use, and the service life of the sealing device is prolonged.

2. According to the utility model, through the pressure relief component, on one hand, the pressure inside the isolation valve can be displayed through the pressure gauge, so that the isolation valve can be conveniently observed, meanwhile, the sealing self-test effect of the isolation valve can be achieved, and on the other hand, the pressure gas sealed inside the isolation valve can be relieved to the filter plate in the filter frame for filtering through the adjusting ball valve, so that the damage of the gas generated by pressure relief to overhaulers is avoided.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the rotating member structure of the present utility model;

FIG. 4 is a schematic diagram of the structure of the plugging member of the present utility model;

FIG. 5 is a schematic diagram of a frame structure according to the present utility model;

fig. 6 is a schematic structural diagram of a pressure relief component according to the present utility model.

In the figure: 1 a shell, 2 a rotating part, 21 a fixed frame, 22 a chute, 23 a screw rod, 3 a plugging part, 31 a lifting plate, 32 a sliding block, 33 a fixed plate, 34 a pushing plate, 35 a sliding plate, 36 a spring, 37 a sliding column, 38 a plugging head, 4 a frame body, 401 a fixed column, 5 a pressure relief part, 51 a pressure transmission pipe, 52 a connecting pipe, 53 a ball valve, 54 a filtering frame, 55 a filtering plate, 56 a cover plate, 57 a pressure gauge, 6 a connecting pipe and 7 flanges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the utility model provides a technical scheme of a chemical environment-friendly air pressure isolation valve: including casing 1, casing 1 is all connected with rotating member 2 and pressure release part 5, and the inside and the framework 4 fixed connection of casing 1, and framework 4 and rotating member 2 are all connected with plugging member 3, and two fixed columns 401 of the inside fixedly connected with of framework 4, the left and right sides face of casing 1 respectively with two connecting pipes 6 fixed connection and rather than inside intercommunication, the surface opposite ends of two connecting pipes 6 respectively with two flange 7 fixed connection.

The rotating component 2 comprises a fixed frame 21, the fixed frame 21 is fixedly connected with the upper surface of the shell 1, sliding grooves 22 are formed in the front side and the rear side of the inside of the fixed frame 21, the upper end of the fixed frame 21 is rotationally connected with the upper side of a screw rod 23 through a bearing, the lower end of the screw rod 23 is rotationally connected with the shell 1 through a bearing, a rotating wheel is fixedly connected with the upper end of the screw rod 23, the rotating wheel drives a fixed plate 33 to descend when the screw rod 23 rotates, meanwhile, the fixed plate 33 drives a lifting plate 31 and a sliding block 32 to slide down along the sliding grooves 22, the bottom surface of the lifting plate 31 pushes two pushing plates 34 to expand each other under the action of a hinging seat, the bottom surface of the pushing plates 34 pushes two sliding plates 35 to slide away from each other along the fixed columns 401, meanwhile, the sliding plates 35 drive two sliding columns 37 to move away from each other along the round holes II, and the two sliding columns 37 drive two plugging heads 38 to respectively correspond to the opposite end side surfaces of the two connecting pipes 6 and socket-joint the two plugging heads.

The plugging part 3 comprises a lifting plate 31, the lower end of the lifting plate 31 corresponds to a rectangular hole which is formed in the upper side plate of the shell 1 and communicated with the inside, the rectangular hole is communicated with a fixed frame 21 and a frame 4, the upper end of the right side surface of the lifting plate 31 is fixedly connected with a fixed plate 33, the fixed plate 33 is in threaded connection with a screw rod 23, the front side surface and the rear side surface of the lifting plate 31 are respectively fixedly connected with two sliding blocks 32, the two sliding blocks 32 are respectively in sliding connection with two sliding grooves 22, the bottom surface of the lifting plate 31 is respectively movably connected with the upper ends of two pushing plates 34 through two hinging seats, and the two pushing plates 34 are sleeved with the rectangular hole.

The lower extreme of two push plates 34 is through articulated seat and the upper surface swing joint of two sliding plates 35 respectively, two sliding plates 35 all cup joint with two fixed columns 401 respectively through two round holes one of seting up, two springs 36 of equal fixedly connected with of opposite sides of two sliding plates 35, four springs 36 are two-to-one and two sets of opposite sides respectively with the inside left and right sides fixed connection of framework 4, two sets of springs 36 all cup joint with two fixed columns 401, when removing closed regulation to this isolation valve through the spring 36 that sets up, reverse the runner, thereby make lifter plate 31 rise, promote two push plates 35 to be close to each other simultaneously under the effect of spring 36, thereby drive shutoff head 38 on the sliding column 37 and remove the shutoff, secondly also do not influence the rising removal of lifter plate 31.

The opposite side surfaces of the two sliding plates 35 are fixedly connected with the opposite ends of the two sliding columns 37 respectively, the two sliding columns 37 are sleeved with round holes II formed in the side plates of the left side surface and the right side surface of the frame body 4 respectively, the opposite ends of the two sliding columns 37 are fixedly connected with two bilateral symmetry blocking heads 38 respectively, and the opposite ends of the two blocking heads 38 correspond to the opposite ends of the two connecting pipes 6 respectively.

The pressure release part 5 comprises a pressure transmission pipe 51, the pressure transmission pipe 51 is fixedly connected with the upper side plate of the shell 1 and is communicated with the inside of the pressure transmission pipe, a pressure gauge 57 is arranged at the upper end of the pressure transmission pipe 51, the pressure transmission pipe 51 is fixedly connected with a connecting pipe 52, a ball valve 53 is arranged on the connecting pipe 52, and pressure gas sealed inside the isolation valve is discharged to a filter plate 55 in a filter frame 54 for filtering through the adjusting ball valve 53, so that the damage to maintenance personnel caused by gas generated by pressure release is avoided, and the connecting pipe 52 is fixedly connected with the front side plate of the filter frame 54 and is communicated with the inside of the front side plate.

The filter frame 54 internally mounted has polylith filter 55, and the filter frame 54 is provided with the opening hole with inside intercommunication with the last fixed surface of casing 1, the trailing flank of filter frame 54, and the upper surface of filter frame 54 passes through four screw and apron 56 threaded connection to through the upper surface of filter frame 54 through four screw and apron 56 threaded connection, thereby be convenient for change the filter 55 in the filter frame 54, so can improve the life of pressure release operation in this isolation valve.

The utility model comprises the following operation steps:

the rotating wheel is rotated, the fixed plate 33 descends when the rotating wheel drives the screw rod 23 to rotate, meanwhile, the fixed plate 33 drives the lifting plate 31 and the sliding block 32 to slide downwards along the sliding groove 22, the bottom surface of the lifting plate 31 pushes the two pushing plates 34 to expand mutually under the action of the hinging seat, the bottom surface of the pushing plates 34 pushes the two sliding plates 35 to slide away from each other along the fixed column 401, meanwhile, the sliding plates 35 drive the two sliding columns 37 to move away from each other along the round hole II, and the two sliding columns 37 drive the two plugging heads 38 to respectively correspond to and be sleeved with the opposite end side surfaces of the two connecting pipes 6, so that the isolating valve is in a closed state.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chemical industry environmental protection atmospheric pressure isolation valve, includes casing (1), its characterized in that: the casing (1) is connected with the rotating part (2) and the pressure relief part (5), the inside of the casing (1) is fixedly connected with the frame body (4), the frame body (4) is connected with the rotating part (2) and the plugging part (3), two fixing columns (401) are fixedly connected inside the frame body (4), the left side and the right side of the casing (1) are respectively fixedly connected with two connecting pipes (6) and communicated with the inside of the connecting pipes, and the opposite ends of the outer surfaces of the connecting pipes (6) are respectively fixedly connected with two flanges (7).

2. The chemical environmental protection pneumatic isolation valve according to claim 1, wherein: the rotating component (2) comprises a fixed frame (21), the fixed frame (21) is fixedly connected with the upper surface of the shell (1), sliding grooves (22) are formed in the front side and the rear side of the inside of the fixed frame (21), the upper end of the fixed frame (21) is rotationally connected with the upper side of a screw rod (23) through a bearing, the lower end of the screw rod (23) is rotationally connected with the shell (1) through a bearing, and a rotating wheel is fixedly connected with the upper end of the screw rod (23).

3. The chemical environmental protection pneumatic isolation valve according to claim 1, wherein: the plugging component (3) comprises a lifting plate (31), rectangular holes which are formed in the lower end of the lifting plate (31) and the upper side plate of the shell (1) are corresponding to rectangular holes which are communicated with the inside, the rectangular holes are communicated with a fixed frame (21) and a frame body (4), the upper end of the right side face of the lifting plate (31) is fixedly connected with a fixed plate (33), the fixed plate (33) is in threaded connection with a screw rod (23), the front side face and the rear side face of the lifting plate (31) are respectively fixedly connected with two sliding blocks (32), the two sliding blocks (32) are respectively in sliding connection with two sliding grooves (22), the bottom face of the lifting plate (31) is respectively in movable connection with the upper ends of two pushing plates (34) through two hinge bases, and the two pushing plates (34) are sleeved with the rectangular holes.

4. A chemical environmental protection pneumatic isolation valve according to claim 3, wherein: the lower extreme of two push plate (34) is through articulated seat respectively with the upper surface swing joint of two sliding plate (35), two sliding plate (35) all cup joint with two fixed columns (401) respectively through two round holes one of seting up, two sliding plate (35) all fixedly connected with two springs (36) in opposite sides face, four spring (36) are two-to-two and two sets of opposite sides face respectively with the inside left and right sides face fixed connection of framework (4), two sets of spring (36) all cup joint with two fixed columns (401).

5. The chemical environmental protection pneumatic isolation valve according to claim 4, wherein: the opposite side surfaces of the two sliding plates (35) are fixedly connected with the opposite ends of the two sliding columns (37) respectively, the two sliding columns (37) are sleeved with round holes formed in the side plates of the left side surface and the right side surface of the frame body (4) respectively, the opposite ends of the two sliding columns (37) are fixedly connected with two bilateral symmetry blocking heads (38) respectively, and the opposite ends of the two blocking heads (38) correspond to the opposite ends of the two connecting pipes (6) respectively.

6. The chemical environmental protection pneumatic isolation valve according to claim 1, wherein: the pressure relief component (5) comprises a pressure transmission pipe (51), the pressure transmission pipe (51) is fixedly connected with the upper side plate of the shell (1) and communicated with the inside of the pressure transmission pipe, a pressure gauge (57) is arranged at the upper end of the pressure transmission pipe (51), the pressure transmission pipe (51) is fixedly connected with a connecting pipe (52), a ball valve (53) is arranged on the connecting pipe (52), and the connecting pipe (52) is fixedly connected with the front side plate of the filter frame (54) and communicated with the inside of the filter frame.

7. The chemical environmental protection pneumatic isolation valve according to claim 6, wherein: the filter is characterized in that a plurality of filter plates (55) are arranged in the filter frame (54), the filter frame (54) is fixedly connected with the upper surface of the shell (1), an opening hole communicated with the inside is formed in the rear side surface of the filter frame (54), and the upper surface of the filter frame (54) is in threaded connection with the cover plate (56) through four screws.