CN216242353U

CN216242353U - Pneumatic butt-clamping butterfly valve

Info

Publication number: CN216242353U
Application number: CN202122807824.8U
Authority: CN
Inventors: 宋文杰; 宋二朋
Original assignee: Tianjin Puluosi Valve Co ltd
Current assignee: Tianjin Puluosi Valve Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a pneumatic butt-clamping butterfly valve, which comprises a valve body, an actuator, a pneumatic connector, a side opening mechanism and a sealing mechanism, wherein the side opening mechanism consists of an inner magnetic frame, a sealing cover, an embedded frame, a sealing rubber strip and an outer magnetic frame, the inner magnetic frame is fixedly connected in a box opening at one end of the actuator, the outer magnetic frame is magnetically adsorbed on the surface of the inner magnetic frame, the side opening mechanism is arranged at the box opening at one end of the actuator above the valve body, the embedded frame is embedded in the box opening of the actuator on the surface of the sealing cover when the sealing cover is attached to the outer end of the actuator by the sealing rubber strip, the outer magnetic frame on the surface of the embedding frame and the inner magnetic frame in the actuator are magnetically adsorbed and fixed to finish sealing, when the actuator needs to be opened, the sealing cover is only required to be held to be forcibly pulled out to separate the outer magnetic frame from the inner magnetic frame, the sealing cover can be detached, and the interior of the actuator can be maintained from the box opening at one end of the actuator, the valve body can be disassembled and opened at the actuator above the valve body.

Description

Pneumatic butt-clamping butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a pneumatic butt-clamping butterfly valve.

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.

The patent No. CN201922262407.2 discloses a wafer-type pneumatic butterfly valve, which relates to the technical field of pneumatic butterfly valves and comprises a valve body and a pneumatic execution box arranged above the valve body, wherein a mounting seat is fixedly arranged at the position of the upper end surface of the valve body, a valve rod shaft is arranged at the position of the upper end of the valve body, which is positioned at the inner side of the mounting seat, a mounting column is fixedly arranged at the upper end of the mounting seat, a transmission shaft is fixedly arranged at the bottom end of the pneumatic execution box, a transmission plug-in block is fixedly arranged at the bottom end of the transmission shaft, a transmission groove is arranged at the position of the upper end surface of the valve rod shaft, a heat dissipation port is arranged at the side surface of the pneumatic execution box, a control panel is fixedly arranged at the front side of the pneumatic execution box, the utility model enables the pneumatic execution box to be independently installed and detached on the valve body through a double-shaft transmission assembly mode, and is convenient for later-stage replacement or maintenance treatment of the pneumatic execution box, the pneumatic control box is beneficial to improving the working efficiency of replacement or maintenance treatment of the pneumatic control box.

1. The pneumatic butt-clamping butterfly valve in the prior art is opened and closed by means of a pneumatic actuator valve body above the butterfly valve body, when the pneumatic actuator is disassembled and maintained, a bolt at the side box plate of the pneumatic actuator needs to be disassembled, the side box cover plate can be disassembled to maintain the inside of the pneumatic actuator, and then the pneumatic actuator cannot be conveniently opened when the pneumatic actuator is disassembled and maintained.

2. The pneumatic butt-clamping butterfly valve in the prior art is opened and closed by means of a pneumatic actuator valve body above a butterfly valve body, a pneumatic connector on the surface of the pneumatic actuator is lack of a good sealing mechanism for sealing when the pneumatic connector is not used, and then dust and impurities easily enter the pneumatic connector on the surface of the pneumatic actuator when the pneumatic connector is not used.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pneumatic butt-clamping butterfly valve which can effectively solve the problems in the background technology.

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

the utility model provides a pneumatic butt clamp butterfly valve, includes valve body, executor and pneumatic joint, still includes and opens the mechanism and seal the mechanism to the side, it constitutes by interior magnetism frame, closing cap, gomphosis frame, joint strip and outer magnetism frame to open the mechanism to incline, fixedly connected with interior magnetism frame in the one end case mouth of executor, and the surperficial magnetism of interior magnetism frame adsorbs and have outer magnetism frame, outer magnetism frame fixed connection is in the surface of gomphosis frame, and gomphosis frame welded fastening in the surface of closing cap, the closing cap surface bonding in the gomphosis frame outside has joint strip, the top of executor is provided with seals the mechanism, and seals the mechanism and comprises fixed plate, elastic webbing, end cap and ring arris.

Furthermore, a fixing plate is fixedly bonded to the top end of the actuator, an elastic belt is fixedly connected between the outer end of the fixing plate and the plug, and an annular ridge protrudes from the surface of the plug.

Further, an actuator is installed at the top end of the valve body, and a pneumatic connector is installed on the surface of the actuator.

Further, the strip body of the sealing rubber strip is made of rubber, and the strip body of the sealing rubber strip is a frame-shaped strip body; the sealing strip made of soft rubber can be flexibly connected between the sealing cover and the actuator, and the sealing rubber sleeve of the frame-shaped strip body can be better sleeved at the outer end of the embedded frame.

Further, the cover body of the sealing cover is larger than the box opening size of the actuator, and the size of the embedding frame on the surface of the sealing cover is smaller than the box opening size of the actuator; when the larger sealing cover blocks the box opening of the actuator, the smaller embedded frame can be embedded into the actuator.

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

1. according to the utility model, the side opening mechanism is arranged at the box opening at one end of the actuator above the valve body, when the sealing cover is attached to the outer end of the actuator by the sealing rubber strip to form sealing contact, the embedded frame on the surface of the sealing cover is embedded into the box opening of the actuator, at the moment, the outer magnetic frame on the surface of the embedded frame and the inner magnetic frame in the actuator are fixed in a magnetic attraction manner to finish sealing, when the actuator is required to be opened, the sealing cover can be detached only by holding the sealing cover and forcibly pulling out the sealing cover, so that the outer magnetic frame is separated from the inner magnetic frame, and then the interior of the actuator can be maintained from the box opening at one end of the actuator, so that the actuator above the valve body can be detached and opened.

2. According to the utility model, the sealing mechanism is arranged at the top end of the actuator, the plug is fixed on the surface of the top end of the actuator by virtue of the fixing plate at one end of the elastic belt, when the pneumatic connector of the actuator is not used, the elastic belt can be pulled to plug the plug into the connecting hole of the pneumatic connector, and the plunger at the front end of the plug is well embedded and sealed with the connecting hole of the pneumatic connector by virtue of the ring edge, so that external impurities are prevented from entering the pneumatic connector of the actuator.

Drawings

Fig. 1 is a schematic view of the overall structure of a pneumatic butt-clamping butterfly valve according to the utility model.

Fig. 2 is an exploded view of a side opening mechanism of a pneumatic butt-clamping butterfly valve according to the utility model.

In the figure: 1. a valve body; 2. an actuator; 3. a pneumatic joint; 4. a side opening mechanism; 401. an inner magnetic frame; 402. sealing the cover; 403. a fitting frame; 404. sealing rubber strips; 405. an outer magnetic frame; 5. a sealing mechanism; 501. a fixing plate; 502. an elastic band; 503. a plug; 504. and (5) ring edges.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a pneumatic butt-clamping butterfly valve includes a valve body 1, an actuator 2, a pneumatic connector 3, a side opening mechanism 4 and a sealing mechanism 5, where the side opening mechanism 4 includes an inner magnetic frame 401, a sealing cover 402, an embedding frame 403, a sealing rubber strip 404 and an outer magnetic frame 405, the inner magnetic frame 401 is fixedly connected to an end of the actuator 2, the outer magnetic frame 405 is magnetically adsorbed on a surface of the inner magnetic frame 401, the outer magnetic frame 405 is fixedly connected to a surface of the embedding frame 403, the embedding frame 403 is welded and fixed to a surface of the sealing cover 402, the sealing rubber strip 404 is adhered to a surface of the sealing cover 402 outside the embedding frame 403, the sealing mechanism 5 is disposed at a top end of the actuator 2, and the sealing mechanism 5 includes a fixing plate 501, an elastic band 502, an elastic band 503 and an annular rib 504.

A fixing plate 501 is fixedly bonded to the top end of the actuator 2, an elastic band 502 is fixedly connected between the outer end of the fixing plate 501 and a plug 503, and an annular rib 504 protrudes from the surface of the plug 503.

Wherein, the top of the valve body 1 is provided with an actuator 2, and the surface of the actuator 2 is provided with a pneumatic joint 3.

Wherein the strip body of the sealing rubber strip 404 is made of rubber, and the strip body of the sealing rubber strip 404 is a frame-shaped strip body; the sealing strip 404 made of soft rubber material can be flexibly connected between the sealing cover 402 and the actuator 2, and the sealing rubber sleeve 404 of the frame-shaped strip body can be better sleeved on the outer end of the embedded frame 403.

Wherein, the cover body of the cover 402 is larger than the size of the box opening of the actuator 2, and the size of the embedding frame 403 on the surface of the cover 402 is smaller than the size of the box opening of the actuator 2; the smaller fitting frame 403 can be fitted into the actuator 2 when the larger cover 402 blocks the opening of the actuator 2.

It should be noted that, the utility model is a pneumatic butt-clamping butterfly valve, a side opening mechanism 4 is arranged at a box opening at one end of an actuator 2 above a valve body 1, when a sealing cover 402 is attached to the outer end of the actuator 2 by a sealing rubber strip 404, an embedding frame 403 on the surface of the sealing cover 402 is embedded into the box opening of the actuator 2, an outer magnetic frame 405 on the surface of the embedding frame 403 is magnetically attracted and fixed with an inner magnetic frame 401 in the actuator 2 to complete sealing, when the actuator 2 needs to be opened, the sealing cover 402 only needs to be held and forcibly pulled out to separate the outer magnetic frame 405 from the inner magnetic frame 401, the sealing cover 402 can be detached, the interior of the actuator 2 can be maintained from the box opening at one end of the actuator 2, the detachable opening of the actuator 2 above the valve body 1 is realized, a sealing mechanism 5 is arranged at the top end of the actuator 2, a plug 503 is fixed on the top end surface of the actuator 2 by a fixing plate 501 at one end of an elastic band 502, when the pneumatic connector 3 of the actuator 2 is not used, the elastic band 502 can be pulled to plug the plug 503 into the hole of the pneumatic connector 3, and the front end plunger of the plug 503 is better embedded and sealed with the hole of the pneumatic connector 3 by the annular rib 504, so that external impurities are prevented from entering the pneumatic connector 3 of the actuator 2.

The utility model relates to a pneumatic butt-clamping butterfly valve, which comprises a valve body 1 and a valve body; 2. an actuator; 3. a pneumatic joint; 4. a side opening mechanism; 401. an inner magnetic frame; 402. sealing the cover; 403. a fitting frame; 404. sealing rubber strips; 405. an outer magnetic frame; 5. a sealing mechanism; 501. a fixing plate; 502. an elastic band; 503. a plug; 504. the ribs and elements are all standard parts or elements known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic butt clamp butterfly valve, includes valve body (1), executor (2) and pneumatic joint (3), its characterized in that: still include side mechanism (4) and seal mechanism (5), side mechanism (4) of opening comprises interior magnetic frame (401), closing cap (402), gomphosis frame (403), joint strip (404) and outer magnetic frame (405), fixedly connected with interior magnetic frame (401) in the one end case mouth of executor (2), and the surface magnetism of interior magnetic frame (401) adsorbs has outer magnetic frame (405), outer magnetic frame (405) fixed connection is in the surface of gomphosis frame (403), and gomphosis frame (403) welded fastening in the surface of closing cap (402), closing cap (402) surface bonding in gomphosis frame (403) outside has joint strip (404), the top of executor (2) is provided with seals mechanism (5), and seals mechanism (5) and comprises fixed plate (501), elastic webbing (502), end cap (503) and ring arris (504).

2. A pneumatic butt-clamping butterfly valve according to claim 1, characterized in that: the top end of the actuator (2) is fixedly bonded with a fixing plate (501), an elastic belt (502) is fixedly connected between the outer end of the fixing plate (501) and the plug (503), and an annular rib (504) protrudes from the surface of the plug (503).

3. A pneumatic butt-clamping butterfly valve according to claim 1, characterized in that: the pneumatic valve is characterized in that an actuator (2) is installed at the top end of the valve body (1), and a pneumatic connector (3) is installed on the surface of the actuator (2).

4. A pneumatic butt-clamping butterfly valve according to claim 1, characterized in that: the strip body of the sealing rubber strip (404) is made of rubber, and the strip body of the sealing rubber strip (404) is a frame-shaped strip body.

5. A pneumatic butt-clamping butterfly valve according to claim 1, characterized in that: the cover body of the sealing cover (402) is larger than the box opening size of the actuator (2), and the size of the embedding frame (403) on the surface of the sealing cover (402) is smaller than the box opening size of the actuator (2).