CN219866306U

CN219866306U - Pneumatic butterfly valve convenient to dismantle

Info

Publication number: CN219866306U
Application number: CN202321045383.5U
Authority: CN
Inventors: 钟建明
Original assignee: Leclere Guangdong Technology Co ltd
Current assignee: Leclere Guangdong Technology Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-20
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a pneumatic butterfly valve convenient to detach, which comprises a valve body, wherein the top of the valve body is fixedly connected with a valve seat, the top of the valve seat is fixedly provided with a valve cover seat, the top of the valve cover seat is fixedly connected with a pneumatic actuator, the pneumatic actuator is connected with a valve rod, the valve rod is rotationally sleeved in the valve cover seat, the valve rod is sleeved with a threaded rod through a threaded structure, one end of the threaded rod is sleeved with a mounting groove, an ejection assembly is movably arranged in the mounting groove, one end of the ejection assembly abuts against the threaded rod, the mounting groove is formed in one side of a valve plate, the valve plate is rotationally arranged in the valve body, the other side of the valve plate is provided with a threaded hole I, the threaded hole I is sleeved with a half bolt through a threaded structure, the half bolt is rotationally sleeved with a bottom supporting seat, and the bottom supporting seat is fixedly connected with the bottom end of the valve body. Through the mounting means of helicitic texture, conveniently carry out quick assembly disassembly to the valve plate, and then when the valve plate appears damaging, convenient timely change has improved the effect of dismouting.

Description

Pneumatic butterfly valve convenient to dismantle

Technical Field

The utility model relates to the technical field of pneumatic butterfly valves, in particular to a pneumatic butterfly valve convenient to detach.

Background

The butterfly valve is also called as a flap valve, and is a simple-structure regulating valve, the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is characterized in that a closing member is a disc, the butterfly valve rotates around a valve shaft to achieve the purpose of opening and closing, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, the butterfly valve mainly plays the roles of cutting off and throttling on a pipeline, and the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in a valve body, so that the purpose of opening and closing or regulating is achieved.

In the existing butterfly valve equipment, an ear clip soft valve seat butterfly valve disclosed in Chinese patent publication No. CN210890152U comprises a base, wherein the upper surface of the base is fixedly connected with a valve body which is in annular arrangement, the interior of the valve body is provided with a rubber ring which is in annular arrangement and a disc plate which is in circular arrangement, the inner side wall of the rubber ring is fixedly connected with the outer side wall of the disc plate, and the interior of the disc plate is provided with a valve rod; the top of the valve body is fixedly connected with a connecting rod, and the top of the connecting rod is fixedly connected with an adjusting device matched with the valve rod; an air cavity is formed in the rubber ring; the butterfly valve can flush gas into the air cavity by using the charging nozzle, and the volume of the rubber ring is changed by using the gas, so that the volume of the rubber ring can be changed according to different fluids regulated and controlled by the device, the phenomenon of thermal expansion and cold contraction of the rubber ring due to the influence of the fluids and the use environment is avoided, the tightness of the device is influenced, and the use of the device is prevented from being influenced due to the leakage phenomenon of the valve body; but this butterfly valve's structure is complicated, is difficult for dismouting valve plate, and it is time consuming hard when needs replace the rubber circle, has improved the maintenance cost in the butterfly valve use, and for this reason we propose a pneumatic butterfly valve convenient to dismantle and are used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a pneumatic butterfly valve convenient to detach, so as 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 pneumatic butterfly valve convenient to dismantle, includes the valve body, the top fixed connection disk seat of valve body, the top fixed mounting valve gap seat of disk seat, the top fixed connection pneumatic actuator of valve gap seat, pneumatic actuator is connected with the valve rod, the valve rod rotates and cup joints in the valve gap seat, the valve rod cup joints the threaded rod through the helicitic texture, the mounting groove is cup jointed to the one end of threaded rod, the mounting inslot activity is equipped with ejecting subassembly, the one end of ejecting subassembly supports the threaded rod, the one side at the valve plate is offered to the mounting groove, the valve plate rotates and establishes in the valve body, screw hole one has been offered to the opposite side of valve plate, half bolt is cup jointed through the helicitic texture to screw hole one, half bolt rotates and cup joints the bottom support seat, the bottom of bottom support seat fixed connection valve body.

Preferably, a rubber sealing ring is fixedly arranged in the valve body.

Preferably, the two ends of the bottom supporting seat are respectively and fixedly connected with an elastic sealing ring.

Preferably, the movable groove is respectively concavely arranged at two sides of one end of the valve rod, the inner wall of the movable groove is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with the limiting block, the limiting block is movably arranged in the movable groove, and one side, far away from the spring, of the limiting block is fixedly connected with the positioning block.

Preferably, one end of the mounting groove is provided with a polygonal groove, and the polygonal groove is matched with the positioning block in a clamping way.

Preferably, the screw hole II has been seted up to the one end of mounting groove, screw hole II and threaded rod screw-thread fit, the rectangle mouth has been seted up to the both sides of screw hole II, ejecting subassembly includes powerful spring, movable disk, rectangle strip, the one end inner wall of one end fixed connection mounting groove of powerful spring, the other end fixed connection movable disk of powerful spring, the movable disk activity is established at screw hole II, the both sides of movable disk are fixed connection rectangle strip respectively, rectangle strip activity is established in the rectangle mouth, the elasticity of spring is less than the elasticity of powerful spring.

Compared with the prior art, the utility model has the beneficial effects that: through the mounting means of helicitic texture, conveniently carry out quick assembly disassembly to the valve plate, and then when the valve plate appears damaging, convenient timely change has improved the effect of dismouting.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

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

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

In the figure: the valve comprises a valve body 1, a valve plate 2, a valve seat 3, a valve cover seat 4, a pneumatic actuator 5, a valve rod 6, a movable groove 61, a spring 62, a limiting block 63, a positioning block 64, a threaded rod 7, a bottom supporting seat 8, a half bolt 9, a threaded hole 10, a mounting groove 11, a threaded hole 111, a polygonal groove 112, an ejection assembly 12, a strong spring 121, a movable disc 122 and a rectangular strip 123.

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.

Example 1

Referring to fig. 1 and 2, in a first embodiment of the present utility model, the embodiment provides a pneumatic butterfly valve convenient to detach, which comprises a valve body 1, the top of the valve body 1 is fixedly connected with a valve seat 3, the top of the valve seat 3 is fixedly provided with a valve cover seat 4, the top of the valve cover seat 4 is fixedly connected with a pneumatic actuator 5, the pneumatic actuator 5 is connected with a valve rod 6, the valve rod 6 is rotationally sleeved in the valve cover seat 4, the valve rod 6 is sleeved with a threaded rod 7 through a threaded structure, one end of the threaded rod 7 is sleeved with a mounting groove 11, an ejection assembly 12 is movably arranged in the mounting groove 11, one end of the ejection assembly 12 abuts against the threaded rod 7, the mounting groove 11 is arranged on one side of the valve plate 2, the valve plate 2 is rotationally arranged in the valve body 1, the other side of the valve plate 2 is provided with a threaded hole I10, the threaded hole I10 is sleeved with a half bolt 9 through the threaded structure, the half bolt 9 is rotationally sleeved with a bottom support seat 8, and the bottom support seat 8 is fixedly connected with the bottom end of the valve body 1. The valve rod 6 keeps fixed, rotates the threaded rod 7, and then drives the tip of threaded rod 7 to slowly break away from in the mounting groove 11, and after threaded rod 7 breaks away from, ejecting subassembly 12 is ejecting, makes the top of valve plate 2 can remove in valve body 1, then takes out half bolt 9, makes the bottom of valve plate 2 can remove, can dismantle the change to valve plate 2 this moment.

Example 2

Referring to fig. 1-3, in a second embodiment of the present utility model, based on the previous embodiment, specifically, a rubber sealing ring is fixedly installed in a valve body 1, and the rubber sealing ring abuts against a valve plate 2, so as to ensure tightness of connection between the valve plate 2 and the valve body 1.

Specifically, the two ends of the bottom support seat 8 are respectively fixedly connected with an elastic sealing ring, and the elastic sealing ring ensures the tightness of the connection between the bottom support seat 8 and the half bolt 9.

Specifically, the two sides of one end of the valve rod 6 are respectively provided with a movable groove 61 in a concave manner, the inner wall of the movable groove 61 is fixedly connected with one end of a spring 62, the other end of the spring 62 is fixedly connected with a limiting block 63, the limiting block 63 is movably arranged in the movable groove 61, and one side, far away from the spring 62, of the limiting block 63 is fixedly connected with a positioning block 64. After replacement, a new valve plate 2 is placed into the valve body 1, firstly, a half bolt 9 is installed, the bottom of the new valve plate 2 is fixed by the half bolt 9, then a threaded rod 7 is installed, the end part of the threaded rod 7 is reinserted into the installation groove 11, and then is matched with a threaded hole two 111 thread structures in the installation groove 11, so that the top of the valve plate 2 is fixedly installed, meanwhile, the elastic force of a spring 62 acts to drive a positioning block 64 to extend out of a movable groove 61, the positioning block 64 is clamped into a polygonal groove 112 again, the valve rod 6 is limited, and when the valve rod 6 is guaranteed to rotate, the valve plate 2 can be synchronously driven to rotate, and the opening and the closing of the valve body 1 are realized.

Specifically, one end of the mounting groove 11 is provided with a polygonal groove 112, and the polygonal groove 112 is in clamping fit with the positioning block 64, so that the positioning block 64 of the valve rod 6 is mutually clamped with the polygonal groove 112 in a clamping fit mode, and when the valve rod 6 rotates, the valve plate 2 is synchronously driven to rotate, and the valve body 1 is opened and closed.

Specifically, screw hole two 111 has been seted up to the one end of mounting groove 11, screw hole two 111 and threaded rod 7 screw fit, the rectangle mouth has been seted up to the both sides of screw hole two 111, ejecting subassembly 12 includes powerful spring 121, movable disk 122, rectangle strip 123, the one end inner wall of powerful spring 121's one end fixed connection mounting groove 11, powerful spring 121's the other end fixed connection movable disk 122, movable disk 122 activity is established in screw hole two 111, the both sides of movable disk 122 are fixed connection rectangle strip 123 respectively, rectangle strip 123 activity is established in the rectangle mouth, the elasticity of spring 62 is less than powerful spring 121's elasticity. When the threaded rod 7 is separated, the movable disc 122 and the rectangular strip 123 of the ejection assembly 12 are ejected under the action of the elastic force of the strong spring 121, the movable disc 122 and the rectangular strip 123 are propped against the positioning block 64, the elastic force of the strong spring 121 is larger than that of the spring 62, and then the elastic force of the strong spring 121 drives the positioning block 64 to retract into the movable groove 61 of the valve rod 6, at the moment, the top of the valve plate 2 can move in the valve body 1, then the half bolt 9 is taken out, the bottom of the valve plate 2 can move, when the threaded rod 7 is installed, the end of the threaded rod 7 is reinserted into the installation groove 11 and then is matched with the threaded hole two 111 in the installation groove 11, the top of the valve plate 2 is fixedly installed, and meanwhile, the elastic force of the spring 62 drives the positioning block 64 to extend out of the movable groove 61, the positioning block 64 is clamped into the polygonal groove 112 again, and then the valve rod 6 is limited, and when the valve rod 6 is guaranteed to rotate, the valve plate 2 can be synchronously driven to rotate, and the opening and closing of the valve body 1 are realized.

Example 3

Referring to fig. 1-3, in a third embodiment of the present utility model, based on the above two embodiments, when the valve rod 6 is detached, the threaded rod 7 is rotated to further drive the end portion of the threaded rod 7 to slowly separate from the mounting groove 11, after the threaded rod 7 is separated, the movable disc 122 and the rectangular bar 123 of the ejection assembly 12 are ejected under the action of the elastic force of the strong spring 121, the movable disc 122 and the rectangular bar 123 abut against the positioning block 64, the elastic force of the strong spring 121 is greater than the elastic force of the spring 62, and then the elastic force of the strong spring 121 drives the positioning block 64 to retract into the movable groove 61 of the valve rod 6, at this time, the top of the valve plate 2 can move in the valve body 1, then the half bolt 9 is removed, so that the bottom of the valve plate 2 can move, at this time, the valve plate 2 can be detached and replaced, the new valve plate 2 is placed in the valve body 1, firstly the half bolt 9 is installed, the bottom of the new valve plate 2 is fixed, then the threaded rod 7 is installed, the end portion of the threaded rod 7 is reinserted into the mounting groove 11, then is in threaded hole two 111 structures of the positioning block 11, the top of the valve plate 2 is fixed, the top of the valve plate 2 is driven by the elastic force of the strong spring 121 to retract into the movable groove 61, at the same time, and the valve plate 64 is driven to rotate synchronously, and the valve rod 64 is driven to rotate, and the valve rod 6 can be screwed into the valve rod 1, and can rotate, and thereby realize the rotation.

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 pneumatic butterfly valve convenient to dismantle, includes valve body (1), top fixed connection disk seat (3) of valve body (1), its characterized in that: the valve seat is characterized in that the valve cover seat (4) is fixedly arranged at the top of the valve seat (3), the pneumatic actuator (5) is fixedly connected to the top of the valve cover seat (4), the valve rod (6) is connected with the valve rod (6), the valve rod (6) is rotationally sleeved in the valve cover seat (4), the valve rod (6) is sleeved with the threaded rod (7) through a threaded structure, one end of the threaded rod (7) is sleeved with the mounting groove (11), the mounting groove (11) is movably provided with the ejection assembly (12), one end of the ejection assembly (12) abuts against the threaded rod (7), the mounting groove (11) is arranged on one side of the valve plate (2), the valve plate (2) is rotationally arranged in the valve body (1), the threaded hole I (10) is arranged on the other side of the valve plate (2), the threaded hole I (10) is sleeved with the half bolt (9) through the threaded structure, the half bolt (9) is rotationally sleeved with the bottom supporting seat (8), and the bottom supporting seat (8) is fixedly connected with the bottom of the valve body (1).

2. The pneumatic butterfly valve of claim 1, wherein: and a rubber sealing ring is fixedly arranged in the valve body (1).

3. The pneumatic butterfly valve of claim 1, wherein: the two ends of the bottom supporting seat (8) are respectively and fixedly connected with elastic sealing rings.

4. The pneumatic butterfly valve of claim 1, wherein: the novel valve is characterized in that movable grooves (61) are formed in two sides of one end of the valve rod (6) in a concave mode respectively, one end of a spring (62) is fixedly connected to the inner wall of the movable groove (61), a limiting block (63) is fixedly connected to the other end of the spring (62), the limiting block (63) is movably arranged in the movable groove (61), and one side, far away from the spring (62), of the limiting block (63) is fixedly connected with a positioning block (64).

5. The easy-to-detach pneumatic butterfly valve of claim 4, wherein: one end of the mounting groove (11) is provided with a polygonal groove (112), and the polygonal groove (112) is in clamping fit with the positioning block (64).

6. The pneumatic butterfly valve of claim 5, wherein: screw hole two (111) have been seted up to the one end of mounting groove (11), screw hole two (111) and threaded rod (7) screw thread fit, rectangular mouth has been seted up to the both sides of screw hole two (111), ejecting subassembly (12) are including powerful spring (121), movable disk (122), rectangle strip (123), the one end inner wall of one end fixed connection mounting groove (11) of powerful spring (121), the other end fixed connection movable disk (122) of powerful spring (121), movable disk (122) activity is established in screw hole two (111), the both sides of movable disk (122) fixed connection rectangle strip (123) respectively, rectangle strip (123) activity is established in the rectangle mouth, the elasticity of spring (62) is less than the elasticity of powerful spring (121).