CN219452955U

CN219452955U - Single-acting pneumatic piston type floating cut-off ball valve

Info

Publication number: CN219452955U
Application number: CN202320620559.9U
Authority: CN
Inventors: 李金山; 俞建耀; 章泽东; 李晓芬
Original assignee: Hangzhou Jinshan Instrument Valve Industry Co ltd
Current assignee: Hangzhou Jinshan Instrument Valve Industry Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-01
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a single-acting pneumatic piston type floating cut-off ball valve, which belongs to the field of pneumatic piston type floating ball valves and comprises a valve body and a pneumatic execution seat, wherein a connecting rod is arranged on the valve body, a connecting frame is arranged at the lower end of the pneumatic execution seat, the connecting frame is arranged on the valve body, a driving rod is arranged on the pneumatic execution seat, and the driving rod is connected with the connecting rod. Through the protective structure who sets up, the cooperation is using the screw hole, can cover the connecting rod with the part that the actuating lever is connected, play dustproof and waterproof's effect, avoid the connecting rod to rust with the position that the actuating lever is connected, both can guarantee the inseparable firm connection between connecting rod and the actuating lever, guarantee the drive effect, can guarantee the convenience of dismantling again for the difficulty that the operation can not become, protective structure adopts threaded connection's mode, the steadiness is high after the installation, absorption magnet can also play sealed effect, contact with the actuating lever, can not influence the normal rotation of actuating lever when guaranteeing the protective effect.

Description

Single-acting pneumatic piston type floating cut-off ball valve

Technical Field

The utility model relates to the field of pneumatic piston type floating ball valves, in particular to a single-acting pneumatic piston type floating cut-off ball valve.

Background

The pneumatic piston type floating ball valve is divided into a double-acting ball valve and a single-acting ball valve by utilizing pneumatic driving, and when the pneumatic ball valve is driven, after the pneumatic execution seat is ventilated, gas presses the piston to move, so that a connecting rod is driven to rotate through a gear rack structure, and then a valve core part in the valve body is driven to rotate, and the communication and cutting-off work of a pipeline are realized. Compared with a double-acting pneumatic ball valve, the single-acting pneumatic piston ball valve has the advantages that the driving is fast, the structure is simple, and the maintenance and the replacement are convenient, although the driving needs larger airflow. In the existing single-acting pneumatic piston ball valve structure, a pneumatic actuating mechanism is connected with a valve body through a connecting rod, a connecting rod joint is directly exposed outside, effective protection cannot be obtained, a contact part is easy to wet to cause internal rust, when the connecting rod joint is detached after the part is rusted, the disassembly is required to be carried out with larger strength due to rust, the operation is not simple enough, the condition of unsmooth assembly easily occurs after the connecting rod joint is rusted, normal driving of the ball valve can be influenced, and then the use effect is influenced.

Disclosure of Invention

The utility model mainly aims to provide a single-acting pneumatic piston type floating cut-off ball valve which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a single-acting pneumatic piston type floating cut-off ball valve, includes valve body and pneumatic execution seat, be equipped with the connecting rod on the valve body, pneumatic execution seat's lower extreme is equipped with the link, and the link is installed on the valve body, be equipped with the actuating lever on the pneumatic execution seat, the actuating lever is connected with the connecting rod, be equipped with protective structure on the link, and protective structure is located the connecting rod, the position department that the actuating lever is connected, protective structure includes removable lag and screwed joint, fixed connection between removable lag and the screwed joint, and screwed joint connects on the link, fixedly on the actuating lever be provided with the absorption iron plate.

Preferably, a valve core component is arranged in the valve body and connected with the connecting rod, and a connecting flange is arranged on the valve body.

Preferably, the connection mode between the pneumatic execution seat and the connecting frame is fixed connection, the connecting frame is provided with a threaded hole, and the pneumatic execution seat is provided with a connecting port.

Preferably, the valve body is provided with a fixing seat, the connecting frame is provided with a connecting bolt, the connecting bolt is connected with the fixing seat, and the connecting frame is fixed on the fixing seat through the connecting bolt.

Preferably, the protection structure further comprises a through hole, a supporting limiting plate and an adsorption magnet, the through hole is formed in the detachable protective sleeve and the threaded joint, the threaded joint is in threaded connection with the threaded hole, the supporting limiting plate is fixed at the position where the detachable protective sleeve is connected with the threaded joint, the adsorption magnet is fixed at the upper end of the detachable protective sleeve, and the connecting rod and the connecting part of the driving rod are located in the through hole of the detachable protective sleeve and the threaded joint.

Compared with the prior art, the utility model has the following beneficial effects: this single-action pneumatic piston type float cut-off ball valve uses through the protective structure who sets up, the cooperation screw hole, can cover the part that connecting rod and actuating lever are connected, play dustproof and waterproof's effect, avoid the connecting rod to rust with the position that the actuating lever is connected, both can guarantee the inseparable firm connection between connecting rod and the actuating lever, guarantee the driving effect, can guarantee the convenience of dismantlement again, make the difficulty that the operation can not become, protective structure adopts threaded connection's mode, the steadiness is high after the installation, the magnet that adsorbs can also play sealed effect, contact with the actuating lever, can not influence the normal rotation of actuating lever when guaranteeing the protection effect.

Drawings

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

FIG. 2 is a schematic view of the structure of the valve body of the present utility model;

FIG. 3 is a schematic view of the pneumatic actuator of the present utility model;

fig. 4 is a schematic structural view of the protection structure of the present utility model.

In the figure: 1. a valve body; 2. a connecting rod; 3. a pneumatic execution seat; 4. a driving rod; 5. a connecting frame; 6. a protective structure; 601. a detachable protective sleeve; 602. a threaded joint; 603. a through hole; 604. supporting and limiting plates; 605. a magnet is adsorbed; 7. a threaded hole; 8. adsorbing an iron block; 9. a connecting flange; 10. a fixing seat; 11. and a connecting port.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a single-acting pneumatic piston type floating cut-off ball valve comprises a valve body 1 and a pneumatic execution seat 3, wherein a connecting rod 2 is arranged on the valve body 1, a connecting frame 5 is arranged at the lower end of the pneumatic execution seat 3, the connecting frame 5 is arranged on the valve body 1, a driving rod 4 is arranged on the pneumatic execution seat 3, the driving rod 4 is connected with the connecting rod 2, a protection structure 6 is arranged on the connecting frame 5, the protection structure 6 is positioned at the position where the connecting rod 2 and the driving rod 4 are connected, an adsorption iron block 8 is fixedly arranged on the driving rod 4, a valve core component is arranged in the valve body 1 and is connected with the connecting rod 2, a connecting flange 9 is arranged on the valve body 1, a connecting mode between the pneumatic execution seat 3 and the connecting frame 5 is fixedly connected, a threaded hole 7 is formed in the connecting frame 5, a connecting port 11 is formed in the pneumatic execution seat 3, a fixing seat 10 is arranged on the valve body 1, a connecting bolt is arranged on the connecting frame 5, the connecting bolt is connected with the fixing seat 10, and the connecting frame 5 is fixed on the fixing seat 10 through the connecting bolt.

When the piston type floating cut-off ball valve is started in the installation, install the pipeline with valve body 1 through flange 9, then carry out the installation of pneumatic execution seat 3, during the installation, during initial state, protection structure 6 adsorbs on the absorption iron plate 8 on actuating lever 4, place pneumatic execution seat 3 on fixing base 10 through link 5, make the lower extreme of actuating lever 4 be connected to on connecting rod 2, fix link 5, make pneumatic execution seat 3 install on valve body 1, then move protection structure 6 down to the lower extreme of link 5, rotate protection structure 6's lower extreme into screw hole 7, at this moment, the connecting rod 2, the position that actuating lever 4 contacted is in protection structure 6, protection structure 6 protects connecting rod 2 and actuating lever 4 be connected the position, can play dustproof and waterproof's effect, after whole ball valve structure installs, set up the check valve on connecting port 11, then begin to use the ball valve, the in the course of use, the gas in the air supply is through pipeline input in pneumatic execution seat 3, the gas is driving mechanism is carrying out the piston running, thereby the gear is carrying out the gear and is then the gear is in the connecting rod 2, thereby the inside of the drive mechanism is in the drive valve body 2, the valve body is then the connecting rod is rotated with the connecting rod 2, the effect is guaranteed, and the valve body is then rotated in the drive mechanism is in the 2, the drive valve is in the 2 is in the drive mechanism is in the drive 2, and the drive mechanism is in the drive 2 is in the 4, and the drive valve is in the 4, and the drive is in the drive case is in the dustproof and the effect is in the drive, and the drive is in the drive is used.

Through the above embodiment, the protection structure 6 includes removable lag 601 and screwed joint 602, fixed connection between removable lag 601 and the screwed joint 602, and screwed joint 602 connects on link 5, protection structure 6 still includes through hole 603, support limiting plate 604 and adsorption magnet 605, through hole 603 is seted up on removable lag 601 and screwed joint 602, threaded connection between screwed joint 602 and the screw hole 7, support limiting plate 604 is fixed in removable lag 601 and screwed joint 602 connected position department, adsorption magnet 605 is fixed in removable lag 601's upper end, the connecting rod 2, the part that actuating lever 4 is connected is located removable lag 601, the through hole 603 on the screwed joint 602, through the protection structure 6 that sets up, the cooperation screw hole 7 uses, can cover the part that connecting rod 2 and actuating lever 4 are connected, play dustproof waterproof effect, avoid the connecting rod 2 to be connected with actuating lever 4 the position rust, both can guarantee the tight firm connection between connecting rod 2 and the actuating lever 4, the actuation effect, can guarantee the convenience of dismantling again, make the operating difficulty that the actuating lever 4 is connected can not be used, can guarantee the normal effect of the protection with the drive of the drive lever 4, can not normally install the effect of the protection mode, can be guaranteed simultaneously, the effect of the protection is high-speed-changing, the effect can be guaranteed, the effect is 4, the normal is connected, can be guaranteed, the effect is 4, can be protected, and can be rotated, and can be sealed.

When the protection structure 6 is installed, initially, the detachable protective sleeve 601 is connected to the adsorption iron block 8 through the adsorption magnet 605, after the connecting rod 2 and the driving rod 4 are spliced, the detachable protective sleeve 601 is moved downwards, so that the threaded joint 602 contacts the threaded hole 7, then the detachable protective sleeve 601 is rotated, the threaded joint 602 is screwed into the threaded hole 7 until the supporting limiting plate 604 contacts the connecting frame 5, at the moment, the detachable protective sleeve 601 is positioned at the connecting place of the connecting rod 2 and the driving rod 4, the connecting part of the connecting rod 2 and the driving rod 4 plays a role in dust and water proofing, after the protection structure 6 is installed, the adsorption magnet 605 contacts the outer wall of the driving rod 4, a sealing effect can be formed, the protection effect of the protection structure 6 is guaranteed, normal rotation of the driving rod 4 is not influenced, and the protection structure is simple and excellent in use effect.

The foregoing has described the principles, features and advantages of the present utility model. It will be apparent to those skilled in the art from this disclosure that the foregoing is not a limitation of the utility model, and that the foregoing embodiments and descriptions illustrate the basic principles and features of the utility model, but that various modifications can be made therein without departing from the spirit of the utility model, and that such modifications are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a single-acting pneumatic piston type floating cut-off ball valve, includes valve body (1) and pneumatic execution seat (3), be equipped with connecting rod (2) on valve body (1), the lower extreme of pneumatic execution seat (3) is equipped with link (5), and link (5) are installed on valve body (1), be equipped with actuating lever (4), its characterized in that on pneumatic execution seat (3): the driving rod (4) is connected with the connecting rod (2), be equipped with protective structure (6) on link (5), and protective structure (6) are located the position department that connecting rod (2), driving rod (4) are connected, protective structure (6) are including removable lag (601) and screwed joint (602), fixed connection between removable lag (601) and screwed joint (602), and screwed joint (602) are connected on link (5), fixed being provided with on driving rod (4) adsorbs iron plate (8).

2. The single-acting pneumatic piston floating shut-off ball valve of claim 1 wherein: the valve body (1) is internally provided with a valve core component which is connected with the connecting rod (2), and the valve body (1) is provided with a connecting flange (9).

3. A single-acting pneumatic piston float cutoff ball valve as claimed in claim 2 wherein: the pneumatic execution seat (3) is fixedly connected with the connecting frame (5), the connecting frame (5) is provided with a threaded hole (7), and the pneumatic execution seat (3) is provided with a connecting port (11).

4. A single-acting pneumatic piston float cutoff ball valve as claimed in claim 3 wherein: the valve body (1) is provided with a fixed seat (10), the connecting frame (5) is provided with a connecting bolt, the connecting bolt is connected with the fixed seat (10), and the connecting frame (5) is fixed on the fixed seat (10) through the connecting bolt.

5. The single-acting pneumatic piston floating shut-off ball valve of claim 4 wherein: the protection structure (6) further comprises a through hole (603), a supporting limiting plate (604) and an adsorption magnet (605), wherein the through hole (603) is formed in the detachable protective sleeve (601) and the threaded joint (602), the threaded joint (602) is connected with the threaded hole (7) in a threaded mode, the supporting limiting plate (604) is fixed at the position where the detachable protective sleeve (601) is connected with the threaded joint (602), the adsorption magnet (605) is fixed at the upper end of the detachable protective sleeve (601), and the connecting rod (2) and the driving rod (4) are connected in the through hole (603) on the detachable protective sleeve (601) and the threaded joint (602).