CN217234456U

CN217234456U - Self-locking rectangular valve

Info

Publication number: CN217234456U
Application number: CN202220600773.3U
Authority: CN
Inventors: 谢辉
Original assignee: Dongguan Wocheng Technology Co ltd
Current assignee: Dongguan Wocheng Technology Co ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-08-19
Anticipated expiration: 2032-03-19

Abstract

The utility model relates to a rectangular valve technical field discloses auto-lock rectangular valve, which comprises a valve body, the valve plate is installed to the inner chamber of valve body, the valve gap is installed at the top of valve body, the push rod is installed at the top of valve plate, the top fixedly connected with push pedal of push rod, install the second rack in the valve gap, the meshing has the gear on the second rack, the meshing has first rack on the gear, push pedal swing joint is on the gear. The utility model discloses a cylinder block, first rack, the second rack, the gear, a piston, the axle sleeve, the valve plate, the setting of push rod and push pedal, improve to the syntropy design by original reverse installation through the cylinder block, during operation and push rod syntropy motion, the dynamic balance of improvement back valve body is more stable, and gear and first rack and the meshing of second rack increase reverse self-locking function when stopping admitting air, make the valve body not disturbed by external force in the course of the work, thereby the performance is more stable, therefore, the steam generator is more practical, and is suitable for extensive popularization and use.

Description

Self-locking rectangular valve

Technical Field

The utility model relates to a rectangular valve technical field specifically is auto-lock rectangular valve.

Background

The rectangular valve is a regulating valve with a relatively simple structure, and is generally mainly used for cutting off or throttling various types of fluids such as water, various corrosive media, slurry, oil products, liquid metal and the like in a pipeline.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the existing rectangular valve cylinder is reversely installed, so that the dynamic balance of a valve body is unstable, the valve body does not have a self-locking function, the valve body is easily interfered by external force in the working process, the use performance is unstable, and therefore the self-locking rectangular valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a auto-lock rectangular valve has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the self-locking rectangular valve comprises a valve body, a valve plate is installed in an inner cavity of the valve body, a valve cover is installed at the top of the valve body, a push rod is installed at the top of the valve plate, a push plate is fixedly connected to the top of the push rod, a second rack is installed in the valve cover, a gear is meshed on the second rack, a first rack is meshed on the gear, the push plate is movably connected to the gear, a cylinder body is installed at the top of the valve cover, a piston is installed in the inner cavity of the cylinder body, a shaft sleeve is installed on the outer side of the piston, a first rack is installed on the outer side of the piston, a first sensor and a second sensor are installed in the valve cover, the first sensor is installed on the lower side of the first rack, the second sensor is installed on the upper side of the first rack, a first air port is formed in the right end of the cylinder body, and a second air port is formed in the valve cover, and a limiting block is arranged on the first rack.

As a preferred embodiment of the present invention, a piston O-ring and a piston guide ring are installed in the cylinder, and the piston guide ring is installed on the outer side of the piston.

As a preferred embodiment of the present invention, a cylinder head is mounted on the top of the cylinder block.

As a preferred embodiment of the present invention, a dust cover is installed at the joint of the valve cover and the cylinder body.

As a preferred embodiment of the utility model, the VGA connects is installed to the right-hand member of valve gap.

As a preferred embodiment of the present invention, the bellows is installed outside the push rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses auto-lock rectangular valve, through the cylinder block, first rack, the second rack, the gear, the piston, the axle sleeve, the valve plate, the setting of push rod and push pedal, improve to the syntropy design by original reverse installation through the cylinder block, during operation and push rod syntropy motion, the dynamic balance of improvement back valve body is more stable, and gear and first rack and the meshing of second rack increase reverse self-locking function when stopping admitting air, make the valve body not disturbed by external force in the course of the work, thereby the performance is more stable.

2. The utility model discloses auto-lock rectangular valve through the setting of piston O type circle and piston guide ring to the piston guide ring is led the piston and is removed, and cooperation piston O type circle increases and connects the leakproofness, makes cylinder block reciprocating motion more steady in the course of the work, thereby working property is better, and the life-span is longer.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the self-locking rectangular valve of the present invention;

fig. 2 is a schematic diagram of the self-locking structure of the self-locking rectangular valve of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a valve cover; 4. a bellows; 5. a push rod; 6. pushing the plate; 7. a first sensor; 8. a limiting block; 9. a first rack; 10. a gear; 11. a second rack; 12. a second sensor; 13. a shaft sleeve; 14. a VGA connector; 15. a piston O-shaped ring; 16. a piston guide ring; 17. a piston; 18. a second gas port; 19. a dust cover; 20. a first gas port; 21. a cylinder block; 22. a cylinder head; 23. self-locking.

Detailed Description

Referring to fig. 1-2, the present invention provides a technical solution: auto-lock rectangular valve, including valve body 1, valve plate 2 is installed to the inner chamber of valve body 1, valve gap 3 is installed at the top of valve body 1, push rod 5 is installed at the top of valve plate 2, push rod 5's top fixedly connected with push pedal 6, install second rack 11 in the valve gap 3, the meshing has gear 10 on the second rack 11, the meshing has first rack 9 on the gear 10, push pedal 6 swing joint is on gear 10, cylinder block 21 is installed at the top of valve gap 3, piston 17 is installed to the inner chamber of cylinder block 21, axle sleeve 13 is installed in the outside of piston 17, first rack 9 is installed in the outside of piston 17, install first sensor 7 and second sensor 12 in the valve gap 3, first sensor 7 is installed in the downside of first rack 9, the upside at first rack 9 is installed to second sensor 12, the right-hand member of cylinder block 21 is provided with first gas port 20, be provided with second gas port 18 on the valve gap 3, install stopper 8 on the first rack 9, through cylinder block 21, first rack 9, second rack 11, gear 10, piston 17, axle sleeve 13, valve plate 2, push rod 5 and push pedal 6's setting, improve into syntropy design by original reverse installation through cylinder block 21, during operation and push rod 5 syntropy motion, the dynamic balance of improvement back valve body 1 is more stable, and gear 10 and first rack 9 and the meshing of second rack 11 increase reverse self-locking function when stopping admitting air, make valve body 1 not disturbed by external force in the course of the work, thereby the performance is more stable.

In this embodiment (see fig. 1), a piston O-ring 15 and a piston guide ring 16 are installed in the cylinder block 21, the piston guide ring 16 is installed on the outer side of the piston 17, and the piston 17 is guided by the piston guide ring 16 through the arrangement of the piston O-ring 15 and the piston guide ring 16, and the piston guide ring 16 is matched with the piston O-ring 15 to increase the connection sealing performance, so that the reciprocating motion of the cylinder block 21 is more stable in the working process, the working performance is better, and the service life is longer.

In the present embodiment (see fig. 1), a cylinder head 22 is installed on the top of the cylinder block 21, and the cylinder head 22 prevents a large amount of dust from covering the cylinder block 21 and corroding the cylinder block 21.

In this embodiment (see fig. 1), a dust cap 19 is installed at a connection between the valve cover 3 and the cylinder block 21, and dust is prevented from entering the cylinder block 21 by the dust cap 19 to affect the movement of the piston 17.

In this embodiment (please refer to fig. 1), the VGA connector 14 is installed at the right end of the valve cover 3, and information of the valve body 1 is conveniently transmitted to the display screen through the VGA connector 14, so that personnel can conveniently know the working condition of the valve body 1.

In this embodiment (please refer to fig. 1), the corrugated tube 4 is installed outside the push rod 5, and the corrugated tube 4 protects the push rod 5 to prolong the service life of the push rod 5.

It should be noted that the present invention relates to a self-locking rectangular valve, which comprises a valve body 1, a valve plate 2, a valve cover 3, a bellows 4, a push rod 5, a push plate 6, a first sensor 7, a stopper 8, a first rack 9, a gear 10, a second rack 11, a second sensor 12, a shaft sleeve 13, a VGA connector 14, a piston O-ring 15, a piston guide ring 16, a piston 17, a second air port 18, a dust cap 19, a first air port 20, a cylinder block 21, a cylinder head 22, and a self-locking portion 23, wherein the components are all universal standard components or components known by those skilled in the art, and the structure and principle of the components are all known by the technical manual or the conventional experimental method, when in operation, firstly, air is introduced into the cylinder block 21 through the first air port 20, so that the piston 17 is driven by air pressure to move upward, thereby pulling the first rack 9 to move in the same direction, thereby the first rack 9 pushes the gear 10 to roll counterclockwise, thereby push pedal 6 follows the rotation, pulling push rod 5 and valve plate 2 upward movement, valve plate 2 is opened, the stopper touches behind second sensor 12 simultaneously, thereby control first gas port 20 and stop admitting air, valve plate 2 is opened entirely this moment, then admit air from second gas port 18, order about piston 17 downstream, first rack 9 is with the syntropy motion, promote gear 10 clockwise rolling, push pedal 6 follows the rotation, promote push rod 5 and valve plate 2 downstream, until stopper 8 touches behind first sensor 7, thereby control second gas port 18 and stop admitting air, valve plate 2 closes this moment, the cylinder block 21 is improved to the syntropy design by original reverse installation, the during operation and push rod 5 syntropy motion, the dynamic balance of improvement back valve body 1 is more stable, and increase from the locking position 23, make valve body 1 not disturbed by external force in the course of work, thereby the performance is more stable.

Claims

1. Auto-lock rectangle valve, including valve body (1), its characterized in that: the valve plate (2) is installed to the inner chamber of valve body (1), valve gap (3) is installed at the top of valve body (1), push rod (5) is installed at the top of valve plate (2), the top fixedly connected with push pedal (6) of push rod (5), install second rack (11) in valve gap (3), the meshing has gear (10) on second rack (11), the meshing has first rack (9) on gear (10), push pedal swing joint is on the gear, cylinder block (21) is installed at the top of valve gap (3), piston (17) is installed to the inner chamber of cylinder block (21), axle sleeve (13) is installed in the outside of piston (17), install the outside at piston (17) in first rack (9), install first sensor (7) and second sensor (12) in valve gap (3), the sensor is characterized in that the first sensor (7) is installed on the lower side of the first rack (9), the second sensor (12) is installed on the upper side of the first rack (9), a first air port (20) is formed in the right end of the cylinder body (21), a second air port (18) is formed in the valve cover (3), and a limiting block (8) is installed on the first rack (9).

2. The self-locking rectangular valve of claim 1, wherein: a piston O-shaped ring (15) and a piston guide ring (16) are installed in the cylinder body (21), and the outer side of a piston (17) is installed on the piston guide ring (16).

3. The self-locking rectangular valve of claim 1, wherein: a cylinder head (22) is mounted on the top of the cylinder block (21).

4. The self-locking rectangular valve of claim 1, wherein: and a dustproof cover (19) is arranged at the joint of the valve cover (3) and the cylinder body (21).

5. The self-locking rectangular valve of claim 1, wherein: the right end of the valve cover (3) is provided with a VGA joint (14).

6. The self-locking rectangular valve of claim 1, wherein: the corrugated pipe (4) is installed on the outer side of the push rod (5).