CN219827925U

CN219827925U - Pneumatic flange type ultra-thin ball valve

Info

Publication number: CN219827925U
Application number: CN202320997122.7U
Authority: CN
Inventors: 钟虎; 钟龙; 杜健
Original assignee: Zhejiang Hopkinson Fluid Control Co ltd
Current assignee: Zhejiang Hopkinson Fluid Control Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-13
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to the technical field of valves and discloses a pneumatic flange type ultra-thin ball valve which comprises a mounting shell and a valve body, wherein a ball body is arranged in the valve body, a valve rod is fixed on the ball body, the valve rod extends into the mounting shell, a pneumatic actuating mechanism is arranged in the mounting shell and is used for driving the valve rod to rotate, one end of the valve rod is fixedly provided with a connecting shaft, the other end of the connecting shaft penetrates through the outer wall of the mounting shell and is sleeved with a rotating cap, a torque piece is arranged between the rotating cap and the connecting shaft, pressing blocks are respectively fixed on one side of the rotating cap and one side of the connecting shaft, a mounting block is fixed on the upper part of the mounting shell, two slots are formed in one side of the mounting block, trigger pins are respectively arranged in the slots in a sliding mode, and a contact switch is arranged on the inner wall of the bottom end of each slot. The utility model realizes the monitoring of whether the piston in the pneumatic ball valve leaks or not, and avoids the condition that the valve is not completely opened or is automatically closed due to the leakage.

Description

Pneumatic flange type ultra-thin ball valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a pneumatic flange type ultra-thin ball valve.

Background

The ball valve is one of valves, and has wide application, and is mainly used for regulating and controlling fluid by means of valve rod to drive ball to rotate.

The main principle of the pneumatic ball valve is that after air pressure is introduced, the two pistons are driven to move relatively, and then the toothed plate and the toothed column are matched to drive the valve rod to rotate, however, the problem of ageing and air leakage possibly exists after the piston is used for a long time, so that when the air pressure is introduced to push the piston to move, the valve is in an open state for a long time, if the piston leaks air, the valve can be slowly closed, the flow rate of fluid is reduced, the valve can be completely closed after a period of time, and normal use cannot be realized.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a pneumatic flange formula ultra-thin ball valve, includes installation casing, valve body, be equipped with the spheroid in the valve body, and be fixed with the valve rod on the spheroid, the valve rod extends to the installation casing inside, be equipped with pneumatic actuating mechanism in the installation casing, pneumatic actuating mechanism is used for driving the valve rod rotation, valve rod one end is fixed with the connecting axle, and the connecting axle other end passes installation casing outer wall and overlaps and be equipped with the cap soon, be equipped with torsion spare between cap soon and the connecting axle, cap soon one side and connecting axle one side all are fixed with the briquetting, installation casing upper portion is fixed with the installation piece, and it has two slots to open installation piece one side, and all slides in the slot and be equipped with the trigger pin, and slot bottom inner wall installs contact switch, and two briquetting are used for extrudeing two trigger pins respectively, be equipped with slow reset assembly in the installation piece.

As a preferred implementation mode of the utility model, the pneumatic actuator comprises two pistons arranged in an installation shell, wherein toothed plates are fixed on one sides of the two pistons, one end of a valve rod is provided with a gear ring along one circle of the valve rod, the two toothed plates are meshed with the gear ring, an electromagnetic valve is arranged on one side of the installation shell, the electromagnetic valve is connected with an air source through a pipeline, and the electromagnetic valve can control air pressure supply into the installation shell.

As a preferable implementation mode of the utility model, a plurality of return springs are fixed on one side of the piston, end covers are arranged at two ends of the installation shell, and one ends of the return springs at two sides are respectively abutted against the two end covers.

As a preferred embodiment of the present utility model, the torsion member includes a connecting pin fixed to one end of the connecting shaft, the cap is rotatably connected to one end of the connecting pin, and a torsion spring is installed between the cap and the connecting pin.

As a preferred implementation mode of the utility model, the slow reset assembly comprises two mounting grooves which are formed in one side of the mounting block, the two mounting grooves are respectively communicated with the two slots, miniature damping telescopic rods are respectively fixed in the mounting grooves, one ends of the miniature damping telescopic rods are respectively fixed with connecting blocks, one ends of the two connecting blocks are respectively fixed at one ends of two trigger pins, one side of each connecting block is respectively fixed with a propping spring, and the other ends of the propping springs are propped against the inner walls of the mounting grooves.

As a preferred implementation mode of the utility model, the intelligent control system further comprises a control module and an alarm connected with the control module, wherein both contact switches are electrically connected with the control module, and the alarm is also connected with a delay switch.

As a preferable implementation mode of the utility model, the upper part of the installation shell is fixedly provided with a protective shell, and the screw cap and the installation block are both arranged in the protective shell.

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

according to the utility model, through the two pressing blocks, the two contact switches and the control module, after the pneumatic actuator is started to enable the pneumatic actuator to push the mounting shell to move relatively, the two pistons move relatively, the two toothed plates drive the valve rod to rotate through the gear ring, so that the ball body is opened, when the ball body is not completely opened, the pressing blocks on the rotary cap press the trigger pins at the upper part at first, after the ball body is completely opened, the pressing blocks on the connecting shaft press the trigger pins at the lower part, the torsion spring is compressed at the moment, meanwhile, the two contact switches are conducted, when the piston has an air leakage condition, the two pistons are pressed by the reset spring to move, at the moment, the valve rod is reversed, the pressing blocks on the valve rod are separated from the trigger pins at the lower part, the trigger pins at the lower part are separated from the contact switches at the lower part, the rotary cap is kept in a tight trigger state by torsion of the torsion spring, and the valve rod is slowly reset to rotate, after the pressing blocks on the lower part are separated from the contact switches at the lower part for a certain time, the alarm is provided, but when the valve is closed, the valve is quickly closed, the two ball valves are quickly rotated, the two ball valves are quickly turned off, and the two ball valves are quickly turned off, the two ball valves are not normally, and the air leakage condition is not caused, and the two ball valves are quickly turned off when the two ball valves are quickly, and the two ball valves are quickly turned off, and the two valves are quickly, and the two are not normally, and the trigger the valve are completely and normally and are turned off when the valve are turned on.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective sectional view of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of the present utility model;

FIG. 4 is a schematic perspective view of the tooth post, valve stem and connecting shaft of the present utility model;

FIG. 5 is a schematic diagram of a side view partial parsing structure of the present utility model;

fig. 6 is a partially enlarged schematic view of the present utility model.

In the figure: 1. a mounting shell; 2. a valve body; 3. an end cap; 4. an electromagnetic valve; 5. a protective shell; 6. a piston; 7. a toothed plate; 8. a return spring; 9. a valve stem; 10. briquetting; 11. a cap is screwed; 12. a connecting shaft; 13. a gear ring; 14. a connecting pin; 15. a torsion spring; 16. a mounting block; 17. a contact switch; 18. a trigger pin; 19. miniature damping telescopic rod; 20. a mounting groove; 21. the spring is abutted tightly.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 6, the pneumatic flange type ultra-thin ball valve comprises a mounting shell 1 and a valve body 2, wherein a ball body is arranged in the valve body 2, a valve rod 9 is fixed on the ball body, the valve rod 9 extends into the mounting shell 1, a pneumatic actuating mechanism is arranged in the mounting shell 1 and is used for driving the valve rod 9 to rotate, one end of the valve rod 9 is fixedly provided with a connecting shaft 12, the other end of the connecting shaft 12 penetrates through the outer wall of the mounting shell 1 and is sleeved with a rotary cap 11, a torque piece is arranged between the rotary cap 11 and the connecting shaft 12, one side of the rotary cap 11 and one side of the connecting shaft 12 are both fixedly provided with pressing blocks 10, the upper part of the mounting shell 1 is fixedly provided with a mounting block 16, one side of the mounting block 16 is provided with two slots, trigger pins 18 are all slidably arranged in the slots, a contact switch 17 is arranged on the inner wall of the bottom end of the slot, the two pressing blocks 10 are respectively used for extruding the two trigger pins 18, and a slow reset assembly is arranged in the mounting block 16.

The pneumatic actuating mechanism comprises two pistons 6 arranged in an installation shell 1, toothed plates 7 are fixed on one sides of the two pistons 6, a gear ring 13 is arranged at one end of a valve rod 9 along one circle of the valve rod, the two toothed plates 7 are meshed with the gear ring 13, an electromagnetic valve 4 is arranged on one side of the installation shell 1, an air source is connected to the electromagnetic valve 4 through a pipeline, and the electromagnetic valve 4 can control air pressure supply in the installation shell 1.

A plurality of return springs 8 are fixed on one side of the piston 6, end covers 3 are mounted at two ends of the mounting shell 1, and one ends of the return springs 8 on two sides are respectively abutted against the two end covers 3.

The torsion member comprises a connecting pin 14 fixed at one end of a connecting shaft 12, a rotary cap 11 is rotatably connected at one end of the connecting pin 14, and a torsion spring 15 is arranged between the rotary cap 11 and the connecting pin 14.

The slow reset component comprises two mounting grooves 20 formed in one side of the mounting block 16, the two mounting grooves 20 are respectively communicated with the two slots, miniature damping telescopic rods 19 are fixed in the mounting grooves 20, one ends of the miniature damping telescopic rods 19 are respectively fixed with connecting blocks, one ends of the two connecting blocks are respectively fixed at one ends of two trigger pins 18, one side of each connecting block is respectively fixed with a propping spring 21, the other ends of the propping springs 21 are propped against the inner wall of the mounting grooves 20, the trigger pins 18 are extruded into the mounting block 16 by the pressing block 10 and then are extruded to prop against the springs 21, and after the pressing block 10 is separated from the trigger pins 18, the trigger pins 18 are propped against the spring 21 to return to the original position under the action of the miniature damping telescopic rods 19.

The automatic control device is characterized by further comprising a control module and an alarm connected with the control module, wherein the two contact switches 17 are electrically connected with the control module, the alarm is also connected with a delay switch, the valve rod 9 is reversed, the pressing block 10 on the valve rod 9 is separated from the lower trigger pin 18, the lower trigger pin 18 is separated from the lower contact switch 17, the rotary cap 11 is subjected to torsion of the torsion spring 15, so that the pressing block 10 on the rotary cap 11 is kept in a tightly-propped trigger state with the upper trigger pin 18, the valve rod 9 slowly rotates due to slow movement of the piston 6 when air leaks, and the alarm alarms after the lower trigger pin 18 is separated from the lower contact switch 17 for a certain time.

The upper part of the installation shell 1 is fixed with a protective shell 5, and the screw cap 11 and the installation block 16 are arranged in the protective shell 5.

The implementation principle of the pneumatic flange type ultra-thin ball valve of the embodiment is as follows: when the valve is used, the electromagnetic valve 4 is controlled to be opened, air pressure enters the installation shell 1, the air pressure pushes the two pistons 6 to move relatively, the two toothed plates 7 move relatively to drive the valve rod 9 to rotate through the gear ring 13, so that the ball is opened, the valve is conducted and opened, the pressing block 10 on the rotary cap 11 presses the trigger pin 18 at the upper part firstly when the ball is not completely opened, after the ball is completely opened, the pressing block 10 on the connecting shaft 12 presses the trigger pin 18 at the lower part, the torsion spring 15 is compressed at the moment, the two contact switches 17 are conducted, if the piston 6 has an air leakage condition, the two pistons 6 are pressed and reset by the reset spring 8, the valve rod 9 is reversed at the moment, the pressing block 10 on the valve rod 9 is separated from the trigger pin 18 at the lower part, the lower part of the trigger pin 18 is separated from the contact switch 17 at the lower part, the rotary cap 11 is kept in a tight trigger state with the trigger pin 18 at the upper part under the torsion action of the torsion spring 15, the lower part of the pressing block 10 rotates slowly when the piston 6 is completely opened, after the lower part of the trigger pin 18 is separated from the contact switch 17 at the lower part for a certain time, the two contact switches are separated from the lower part of the contact switch 17, and the two alarm caps are not normally closed when the two alarm caps are in a quick response to the two alarm state, and the two alarm caps are in a quick response to the two alarm state when the two alarm caps are in which are in a quick response to the two alarm state, and the two alarm state are in which the quick and the alarm state are in which the two are in a short time when the two are in a quick and are in a short time.

Claims

1. The utility model provides a pneumatic flange formula ultra-thin ball valve, includes installation casing (1), valve body (2), its characterized in that, be equipped with the spheroid in valve body (2), and be fixed with valve rod (9) on the spheroid, valve rod (9) extend to installation casing (1) inside, be equipped with pneumatic actuating mechanism in installation casing (1), pneumatic actuating mechanism is used for driving valve rod (9) rotatory, valve rod (9) one end is fixed with connecting axle (12), and connecting axle (12) other end passes installation casing (1) outer wall and cover and be equipped with cap (11) soon, be equipped with torsion piece between cap (11) and connecting axle (12), cap (11) one side and connecting axle (12) one side all are fixed with briquetting (10 soon, installation casing (1) upper portion is fixed with installation piece (16), and install piece (16) one side and open two slots, and all slide in the slot and be equipped with trigger pin (18), contact switch (17) are installed to the slot bottom inner wall, and two briquetting (10) are used for extruding two trigger pin (18) respectively, be equipped with slow reset assembly in the installation piece (16).

2. The pneumatic flange type ultra-thin ball valve according to claim 1, wherein the pneumatic actuating mechanism comprises two pistons (6) arranged in an installation shell (1), toothed plates (7) are fixed on one sides of the two pistons (6), a gear ring (13) is arranged at one end of the valve rod (9) along one circle of the valve rod, the two toothed plates (7) are meshed with the gear ring (13), an electromagnetic valve (4) is arranged on one side of the installation shell (1), the electromagnetic valve (4) is connected with an air source through a pipeline, and the electromagnetic valve (4) can control air pressure supply into the installation shell (1).

3. The pneumatic flange type ultra-thin ball valve according to claim 2, wherein a plurality of return springs (8) are fixed on one side of the piston (6), end covers (3) are mounted on two ends of the mounting shell (1), and one ends of the return springs (8) on two sides are respectively abutted against the two end covers (3).

4. The pneumatic flange type ultra-thin ball valve according to claim 1, wherein the torsion member comprises a connecting pin (14) fixed at one end of a connecting shaft (12), the screw cap (11) is rotatably connected to one end of the connecting pin (14), and a torsion spring (15) is installed between the screw cap (11) and the connecting pin (14).

5. The pneumatic flange type ultra-thin ball valve according to claim 1, wherein the slow reset component comprises two mounting grooves (20) formed in one side of the mounting block (16), the two mounting grooves (20) are respectively communicated with the two slots, miniature damping telescopic rods (19) are fixed in the mounting grooves (20), connecting blocks are fixed at one ends of the miniature damping telescopic rods (19), one ends of the two connecting blocks are respectively fixed at one ends of the two trigger pins (18), a tight supporting spring (21) is fixed at one side of the connecting blocks, and the other ends of the tight supporting springs (21) are tightly supported on the inner wall of the mounting grooves (20).

6. The pneumatic flange type ultra-thin ball valve according to claim 5, further comprising a control module and an alarm connected with the control module, wherein both contact switches (17) are electrically connected with the control module, and the alarm is also connected with a time delay switch.

7. The pneumatic flange type ultra-thin ball valve according to claim 1, wherein a protective shell (5) is fixed on the upper portion of the installation shell (1), and the screw cap (11) and the installation block (16) are both arranged in the protective shell (5).