CN219139839U

CN219139839U - Emergency safety hand wheel intervention device for pneumatic angle seat valve

Info

Publication number: CN219139839U
Application number: CN202320003424.8U
Authority: CN
Inventors: 杭宇
Original assignee: Wuxi Zhaorui Technology Co ltd
Current assignee: Wuxi Zhaorui Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-06
Anticipated expiration: 2033-01-03

Abstract

The utility model provides an emergency safety hand wheel intervention device for a pneumatic angle seat valve, which comprises a cylinder body, a valve rod, a piston and an indication rod, wherein the indication rod is connected with the valve rod and extends out of the cylinder body, a mounting threaded hole is formed in the indication rod, and a pressing plate is arranged on the cylinder body; the hand wheel intervention device comprises a support, a movable plate which is arranged in the support and can be lifted, and a hand wheel which is used for driving the movable plate to move, wherein the pressing plate is used for pressing the support, a connector is arranged on the movable plate, and the connector is used for being connected with an installation threaded hole on the indication rod. The device can realize the quick opening or closing of the angle seat valve through the hand wheel intervention device under special conditions.

Description

Emergency safety hand wheel intervention device for pneumatic angle seat valve

Technical Field

The utility model mainly relates to the technical field of pneumatic valves, in particular to an emergency safety hand wheel intervention device for a pneumatic angle seat valve.

Background

The pneumatic angle seat valves sold in the market in the prior art are roughly divided into two types, wherein one pneumatic actuating mechanism of the pneumatic angle seat valve is a plastic cylinder body, and the other pneumatic actuating mechanism of the pneumatic angle seat valve is an aluminum alloy die-casting cylinder body. The structure mainly comprises a valve body, a valve clack, a valve rod, a cylinder body, a piston, a compression spring, an indication rod and the like.

The pilot rod setting of traditional pneumatic angle seat valve is in the cylinder body, consequently, its position needs to observe through transparent plastic observation window, and is very inconvenient, simultaneously, traditional pneumatic angle seat valve takes place unable normal open/close or open/close in place once meetting special situation, can't go to realize the control requirement to the valve through manual intervention's mode, and the serious condition will lead to control pipeline out of control.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model combines the prior art, and provides the emergency safety hand wheel intervention device for the pneumatic angle seat valve, which can realize the rapid opening or closing of the angle seat valve through the hand wheel intervention device under special conditions.

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

the emergency safety hand wheel intervention device for the pneumatic angle seat valve comprises a cylinder body, a valve rod, a piston and an indication rod, wherein the indication rod is connected to the valve rod, extends out of the cylinder body, is provided with an installation threaded hole, and is provided with a pressing plate;

the hand wheel intervention device comprises a support, a movable plate which is arranged in the support and can be lifted, and a hand wheel which is used for driving the movable plate to move, wherein the pressing plate is used for pressing the support, a connector is arranged on the movable plate, and the connector is used for being connected with an installation threaded hole on the indication rod.

Further, the bracket comprises an upper seat body, a rotatable trapezoidal nut is arranged on the upper seat body, and the hand wheel is connected with the trapezoidal nut;

the movable plate is connected with the trapezoidal screw, the trapezoidal screw is in threaded fit with the trapezoidal nut, and the trapezoidal nut is driven to rotate by rotating the hand wheel, so that the trapezoidal screw drives the movable plate to lift.

Further, a limit nut is arranged on the trapezoid screw rod.

Further, the support also comprises a lower base body, the upper base body is connected with the lower base body through a connecting rod, and the pressing plate is used for pressing the lower base body.

Further, the cylinder body is provided with a mounting groove, and the shape of the lower seat body is adapted to the mounting groove.

Further, the pressing plate is fixed on the cylinder body through a screw, and the pressing plate is located on one side of the mounting groove.

Further, a connecting disc is arranged on the indication rod, and the installation threaded hole is formed in the connecting disc.

Further, the number of the installing threaded holes is two, the two installing threaded holes are symmetrically arranged on two sides of the indicating rod, and the number of the connectors is two and respectively corresponds to the two installing threaded holes.

The utility model has the beneficial effects that:

the indicating rod of the pneumatic angle seat valve is arranged outside the cylinder body, so that an operator can conveniently observe whether the pneumatic angle seat valve is closed or opened in place; the pneumatic angle seat valve is an important control component in the fluid system, and if the pneumatic angle seat valve cannot work normally in a long-term working state for various reasons, the simple manual intervention control device provided by the utility model can be used for quickly opening or closing the valve so as to ensure the safety of the fluid system after the normal operation of the fluid system.

Drawings

FIG. 1 is a schematic cross-sectional view of a pneumatic angle seat valve of the present utility model.

FIG. 2 is a schematic view of the outer structure of the pneumatic angle seat valve of the present utility model.

Fig. 3 is a schematic structural diagram of a hand wheel intervention device according to the present utility model.

Fig. 4 is a schematic structural diagram of a hand wheel intervention device according to the present utility model.

Fig. 5 is a schematic view of the hand wheel intervention device of the present utility model in use.

The reference numbers shown in the drawings:

1. a cylinder; 2. a valve stem; 3. a piston; 4. an indication rod; 5. and a mounting groove. 6. A pressing plate; 7. a connecting disc; 8. installing a threaded hole; 9. a hand wheel; 10. a trapezoidal screw; 11. an upper base; 12. a movable plate; 13. a connector; 14. a connecting rod; 15. a lower base; 16. a limit nut; 17. a trapezoidal nut.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The embodiment provides an emergency safety hand wheel intervention device for a pneumatic angle seat valve.

As shown in fig. 1, the hand wheel intervention device is used for the pneumatic angle seat valve with the following structure. The pneumatic angle seat valve comprises a cylinder body 1, a valve rod 2, a piston 3 and an indication rod 4. Wherein, valve rod 2, piston 3 set up in cylinder body 1, piston 3 is connected on valve rod 2, and pilot rod 4 is connected to valve rod 2 one end. Specifically, the lower extreme of pilot rod 4 is located the one end threaded connection of cylinder body 1 with valve rod 2, and the outer end of pilot rod 4 sets up in cylinder body 1 outside, sets up corresponding sealing washer between pilot rod 4 and cylinder body 1. In the present embodiment, the indication rod 4 is provided outside the cylinder 1, so that the operator can intuitively observe the open/close state of the angle seat valve through the indication rod 4.

As shown in fig. 1 and 2, in order to facilitate the cooperation of the angle seat valve and the external hand wheel intervention device, so as to ensure that the angle seat valve can be opened or closed under special conditions by installing the hand wheel intervention device, in this embodiment, a connecting disc 7 is arranged on an indication rod 4 extending out of a cylinder body 1, two installation threaded holes 8 are arranged on the connecting disc 7, meanwhile, a pressing plate 6 is arranged on the cylinder body 1, the pressing plate 6 is positioned on one side of the indication rod 4, and the pressing plate 6 is fixed on the cylinder body 1 through a screw.

As shown in fig. 3 and 4, the hand wheel intervention device for matching the above structure mainly comprises a bracket, a movable plate 12, a hand wheel 9, a trapezoidal screw 10, a trapezoidal nut 17, a connector 13 and the like. The bracket mainly comprises an upper seat body 11 and a lower seat body 15, and the upper seat body 11 and the lower seat body 15 are connected through four connecting rods 14 which are circumferentially arranged. The trapezoidal nut 17 is rotatably arranged in the upper seat 11, the trapezoidal nut 17 is connected with the hand wheel 9, and the trapezoidal nut 17 is driven to rotate by rotating the hand wheel 9. The trapezoidal screw 10 is arranged in the trapezoidal nut 17 and is connected with the trapezoidal nut 17 through trapezoidal threads, one end of the trapezoidal screw 10 is connected with the movable plate 12, and the other end of the trapezoidal screw 10 is provided with the limit nut 16. The lower end of the movable plate 12 is provided with two connectors 13 for cooperating with the mounting threaded holes 8. In one specific embodiment provided in this embodiment, the two connectors 13 are provided with threaded heads, and the connectors 13 are connected with the indication rod 4 by screwing in the corresponding mounting threaded holes 8.

In order to facilitate the positioning of the hand wheel intervention device in this embodiment, a mounting groove 5 is further provided on the cylinder 1, and the shape and size of the mounting groove 5 are the same as those of the lower seat 15, so as to ensure the accurate positioning of the two.

When the hand wheel intervention device of the embodiment is used, firstly, the screw of the pressing plate 6 is opened, the pressing plate 6 is rotated to one side, then the lower base 15 of the hand wheel intervention device is placed in the mounting groove 5, the connector 13 is connected with the mounting threaded hole 8, and the pressing plate 6 is tightly pressed on the lower base 15 to screw the screw. Then the hand wheel 9 is rotated according to the required direction, the hand wheel 9 rotates to drive the trapezoidal nut 17 to rotate, at the moment, the trapezoidal screw 10 drives the movable plate 12 to lift, and then the connector 13 drives the indicating rod 4 to lift, and the indicating rod 4 further drives the valve rod 2 and the piston 3 to move, so that the opening and closing control of the angle seat valve is realized.

Claims

1. The emergency safety hand wheel intervention device for the pneumatic angle seat valve comprises a cylinder body, a valve rod, a piston and an indication rod, wherein the indication rod is connected to the valve rod;

2. The emergency safety hand wheel intervention device for a pneumatic angle seat valve of claim 1, wherein the bracket comprises an upper seat body, a rotatable trapezoidal nut is arranged on the upper seat body, and the hand wheel is connected with the trapezoidal nut;

3. The emergency safety hand wheel intervention device for a pneumatic angle seat valve of claim 2, wherein the trapezoidal screw is provided with a limit nut.

4. The emergency safety hand wheel intervention device for a pneumatic angle seat valve of claim 2, wherein the bracket further comprises a lower seat body, the upper seat body and the lower seat body are connected through a connecting rod, and the pressing plate is used for pressing the lower seat body.

5. The emergency safety hand wheel intervention device for a pneumatic angle seat valve as set forth in claim 4, wherein the cylinder body is provided with a mounting groove, and the lower seat body is shaped to fit in the mounting groove.

6. The emergency safety hand wheel intervention device for a pneumatic angle seat valve of claim 5, wherein the pressing plate is fixed on the cylinder body through a screw, and the pressing plate is positioned on one side of the mounting groove.

7. The emergency safety hand wheel intervention device for a pneumatic angle seat valve of claim 1, wherein the indicator lever is provided with a connecting disc, and the mounting threaded hole is formed in the connecting disc.

8. The emergency safety hand wheel intervention device for the pneumatic angle seat valve according to claim 7, wherein the number of the installation threaded holes is two, the installation threaded holes are symmetrically formed in two sides of the indication rod, and the number of the connectors is two and respectively corresponds to the two installation threaded holes.