CN218207842U

CN218207842U - Pneumatic butterfly valve

Info

Publication number: CN218207842U
Application number: CN202221356484.XU
Authority: CN
Inventors: 朴东升
Original assignee: Shanghai Sino Korea Ez Joint Valve Co ltd
Current assignee: Shanghai Yijiete Intelligent Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-01-03
Anticipated expiration: 2032-06-01

Abstract

The utility model provides a pneumatic butterfly valve relates to butterfly valve technical field, including the butterfly valve body, install the protection circle on the both sides of butterfly valve body, be provided with the centre gripping subassembly on the protection circle, the centre gripping subassembly includes the grip block, the buffer slot has been seted up on the protection circle. The utility model discloses, drive grip block extrusion slide bar and first spring through the pulling pull rod, make the grip block shrink advance the dashpot in, then take the connecting pipe to drive the snap-on board and insert in the guard ring, then loosen the pull rod, make the grip block centre gripping connecting pipe, then rotate the fixed plate, make the fixed plate aim at the snap-on board, then rotatory thread bush, make the thread bush extrude the fixed plate on the screw rod, make baffle extrusion second spring, the fixed connection pipe of being convenient for, easy to assemble dismantlement, the installation effectiveness who is favorable to the improvement device, the safety and stability who is favorable to the improvement device, facilitate the operation and use, be favorable to the life of improvement device, be favorable to the user experience degree of improvement device.

Description

Pneumatic butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a pneumatic butterfly valve.

Background

The pneumatic butterfly valve consists of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve is opened and closed by a circular butterfly plate rotating along with a valve rod to realize the pneumatic valve which starts to act, is mainly used as a cut-off valve, can also be designed to have the function of adjusting or adjusting the cut-off valve, and is increasingly used on low-pressure large and medium-diameter pipelines.

However, in the prior art, when the existing pneumatic butterfly valve is installed, flange connection is generally adopted, so that the installation time is delayed, the installation and the disassembly are inconvenient, the installation efficiency of workers is influenced, the safety and the stability of the device are influenced, the operation and the use are inconvenient, the service life of the device is influenced, and the user experience degree of the device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and exist among the prior art generally be relatively more troublesome when adopting the flange joint installation, hinder the time of installation, the installation of being not convenient for is dismantled, influences staff's installation effectiveness, influences the safety and stability of device, and inconvenient operation is used, influences the life of device to influence the shortcoming of the user experience degree of device.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a pneumatic butterfly valve, includes the butterfly valve body, install the guard ring on the both sides of butterfly valve body, be provided with the centre gripping subassembly on the guard ring, the centre gripping subassembly includes the grip block, the dashpot has been seted up on the guard ring, slide through on the inner wall of dashpot and install slide bar and pull rod, the one end that the dashpot was kept away from to slide bar and pull rod is installed on the grip block, the grip block is close to one side of pull rod and installs first spring, be provided with fixed subassembly on the guard ring.

In a preferred embodiment, a limit plate is installed at one end of the sliding rod away from the clamping plate.

The technical effect of adopting the further scheme is as follows: the limiting plate plays a role in limiting and stabilizing the sliding rod, and safety and stability of the device are improved.

In a preferred embodiment, the end of the first spring remote from the clamping plate is mounted on the inner wall of the buffer slot, and the first spring is nested on the outer surface of the slide bar.

The technical effect of adopting the further scheme is as follows: the first spring plays a role in driving the clamping plate to elastically clamp the connecting pipe.

In a preferred embodiment, a rubber pad is mounted on one side of the clamping plate away from the pull rod.

The technical effect of adopting the further scheme is as follows: the rubber pad plays the effect of increase the frictional force between grip block and the connecting plate, has avoided the condition of connecting pipe rotation in the guard ring as far as possible.

In a preferred embodiment, the butterfly valve body is provided with connecting pipes at both sides thereof, and the connecting pipes are provided with engaging plates at a side thereof close to the butterfly valve body.

The technical effect of adopting the further scheme is as follows: the clamping plate is matched with the clamping plate to play a role in limiting and stabilizing the connecting pipe.

In a preferred embodiment, a gasket is attached to the butterfly valve body on a side close to the engagement plate.

The technical effect of adopting the further scheme is as follows: the sealing gasket plays a role in improving the sealing capability of the device.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses, drive grip block extrusion slide bar and first spring through the pulling pull rod, make the grip block shrink enter the dashpot in, then take the connecting pipe to drive in the snap-on board inserts the guard ring, then loosen the pull rod, make the grip block centre gripping connecting pipe, then rotate the fixed plate, make the fixed plate aim at the snap-on board, then rotatory thread bush, make the thread bush extrude the fixed plate on the screw rod, make baffle extrusion second spring, the fixedly connected pipe of being convenient for, easy to assemble dismantlement, the installation effectiveness that is favorable to improving the device, the safety and stability that is favorable to improving the device, convenient operation uses, be favorable to improving the life of device, be favorable to improving the user experience degree of device.

Drawings

Fig. 1 is a schematic view of a three-dimensional explosion structure of a pneumatic butterfly valve provided by the present invention;

fig. 2 is a schematic view of an internal structure of a pneumatic butterfly valve provided by the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 of a pneumatic butterfly valve provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of a position B in fig. 2 of the pneumatic butterfly valve provided by the present invention.

Illustration of the drawings:

1. a butterfly valve body; 2. a connecting pipe; 3. a clamping plate; 4. a guard ring; 5. a gasket; 6. a clamping assembly; 61. a clamping plate; 62. a slide bar; 63. a first spring; 64. a rubber pad; 65. a pull rod; 66. a buffer tank; 67. a limiting plate; 7. a fixing assembly; 71. a screw; 72. a threaded sleeve; 73. a second spring; 74. a baffle plate; 75. a fixing plate; 76. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the utility model provides a technical solution: a pneumatic butterfly valve comprises a butterfly valve body 1, protective rings 4 are installed on two sides of the butterfly valve body 1, the protective rings 4 play a role in stabilizing and protecting a connecting port, a clamping component 6 is arranged on each protective ring 4, each clamping component 6 comprises a clamping plate 61, a buffer groove 66 is formed in each protective ring 4, a sliding rod 62 and a pull rod 65 are installed on the inner wall of each buffer groove 66 in a sliding and penetrating mode, one ends, far away from the buffer grooves 66, of the sliding rods 62 and the pull rods 65 are installed on the clamping plates 61, the pull rods 65 play a role in driving the clamping plates 61 to extrude a first spring 63 to enable the sliding rods 62 to slide on the protective rings 4, one sides, close to the pull rods 65, of the clamping plates 61 are provided with first springs 63, the first springs 63 play a role in driving the clamping plates 61 to elastically clamp connecting pipes 2, fixing components 7 are arranged on the protective rings 4, and one ends, far away from the clamping plates 61, of the sliding rods 62 are provided with limiting plates 67, the limiting plate 67 plays a role of limiting and stabilizing the slide rod 62, one end of the first spring 63, which is far away from the clamping plate 61, is installed on the inner wall of the buffer groove 66, the first spring 63 is nested on the outer surface of the slide rod 62, one side of the clamping plate 61, which is far away from the pull rod 65, is provided with the rubber pad 64, the rubber pad 64 plays a role of protecting the connecting pipe 2 and increasing friction force, the situation that the connecting pipe 2 rotates in the protective ring 4 is avoided as much as possible, the connecting pipes 2 are installed on two sides of the butterfly valve body 1, one side of the connecting pipe 2, which is close to the butterfly valve body 1, is provided with the clamping plate 3, one side of the butterfly valve body 1, which is close to the clamping plate 3, is provided with the sealing pad 5, the sealing capability of the device is increased or decreased, the situation of water leakage of the device is avoided as much as possible, when the device is used, the pull rod 65 is pulled at first, the pull rod 65 drives the clamping plate 61 to extrude the slide rod 62 and the first spring 63, so that the first spring 63 contracts, make grip block 61 drive rubber pad 64 shrink into in the dashpot 66, then take connecting pipe 2, make connecting pipe 2 drive the snap-on board 3 and insert in the guard ring 4, then loosen pull rod 65, make grip block 61 centre gripping connecting pipe 2 under the elastic action of first spring 63, make grip block 61 play spacing snap-on board 3's effect, easy to assemble dismantlement, be favorable to improving the installation effectiveness of device, be favorable to improving the safety and stability of device, easy to operate uses, be favorable to improving the life of device, be favorable to improving the user experience degree of device.

Example 2

As shown in fig. 2-4, the fixing assembly 7 includes a fixing plate 75, a movable groove 76 is formed in the guard ring 4, a screw 71 is rotatably installed on an inner bottom wall of the movable groove 76, the fixing plate 75 is slidably installed on the screw 71 in a penetrating manner, the fixing plate 75 is convenient to rotate on the screw 71, the fixing plate 75 is convenient to extrude the fastening plate 3, and plays a role of fixing and stabilizing the connecting pipe 2, a baffle 74 is slidably installed on one side of the fixing plate 75 close to an inner bottom wall of the movable groove 76, a second spring 73 is installed on one side of the baffle 74 far from the fixing plate 75, the second spring 73 plays a role of driving the fixing plate 75 to elastically reset, one end of the second spring 73 far from the baffle 74 is installed on the inner bottom wall of the movable groove 76, the second spring 73 is nested on an outer surface of the screw 71, a threaded sleeve 72 is installed on the screw 71 in a threaded manner on the screw 71, the threaded sleeve 72 plays a role of extruding the fixing plate 75 to fix the limiting connecting pipe 2, when the device is used, the fixing plate 75 is firstly rotates the fixing plate 75, the fixing plate 75 to enable the fixing plate 75 to be aligned with the fixing plate 3, then the threaded sleeve 72 to extrude the fixing plate 75, the fixing plate 73, the second spring 73 to collect the second spring 73, and to facilitate the fastening plate 73, thereby facilitating the fastening device to be installed on the fastening plate 3, and facilitating the fastening device to be conveniently, and improving the user to install the fastening device, and the user to be convenient for the user to install the fastening device, and improve the user to install the fastening device.

The working principle is as follows:

as shown in fig. 1-4, when the device is used, the pull rod 65 is pulled first, the pull rod 65 drives the clamping plate 61 to press the slide rod 62 and the first spring 63, the first spring 63 contracts, the clamping plate 61 drives the rubber pad 64 to contract into the buffer slot 66, then the connecting pipe 2 is held, the connecting pipe 2 drives the engaging plate 3 to be inserted into the protective ring 4, then the pull rod 65 is released, the clamping plate 61 clamps the connecting pipe 2 under the elastic force of the first spring 63, the clamping plate 61 acts as a limiting engaging plate 3, then the fixing plate 75 is rotated to align the fixing plate 75 with the engaging plate 3, then the threaded sleeve 72 rotates to press the fixing plate 75 on the screw 71, the fixing plate 75 presses the baffle plate 74, the baffle plate 74 presses the second spring 73, the second spring 73 is collected to contract, and finally the fixing plate 75 is fastened on the engaging plate 3, so as to fix the connecting pipe 2.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a pneumatic butterfly valve, includes butterfly valve body (1), its characterized in that: install guard ring (4) on the both sides of butterfly valve body (1), be provided with centre gripping subassembly (6) on guard ring (4), centre gripping subassembly (6) include grip block (61), buffer slot (66) have been seted up on guard ring (4), slide on the inner wall of buffer slot (66) and run through and install slide bar (62) and pull rod (65), the one end that buffer slot (66) were kept away from in slide bar (62) and pull rod (65) is installed on grip block (61), first spring (63) are installed to one side that grip block (61) are close to pull rod (65), be provided with fixed subassembly (7) on guard ring (4).

2. A pneumatic butterfly valve according to claim 1, characterized in that: and a limiting plate (67) is installed at one end, far away from the clamping plate (61), of the sliding rod (62).

3. A pneumatic butterfly valve according to claim 2, characterized in that: one end of the first spring (63) far away from the clamping plate (61) is installed on the inner wall of the buffer groove (66), and the first spring (63) is nested on the outer surface of the sliding rod (62).

4. A pneumatic butterfly valve according to claim 3, characterised in that: and a rubber pad (64) is arranged on one side, away from the pull rod (65), of the clamping plate (61).

5. A pneumatic butterfly valve according to claim 1, characterised in that: connecting pipe (2) are installed to the both sides of butterfly valve body (1), clamping plate (3) are installed to one side that connecting pipe (2) are close to butterfly valve body (1).

6. A pneumatic butterfly valve according to claim 5, characterised in that: and a sealing gasket (5) is arranged on one side, close to the clamping plate (3), of the butterfly valve body (1).