CN220581697U

CN220581697U - High-sealing vacuum pneumatic baffle valve with dustproof function

Info

Publication number: CN220581697U
Application number: CN202322289560.0U
Authority: CN
Inventors: 许孙花; 胡和章
Original assignee: Wenzhou Osco Valve Technology Co ltd
Current assignee: Wenzhou Osco Valve Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-12
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to a high-sealing vacuum pneumatic baffle valve with a dustproof function, which relates to the field of pneumatic baffle valves and comprises a valve body, wherein a first sealing ring is fixedly arranged at the top end of the valve body, a fixed plate is fixedly arranged at the top end of the first sealing ring through a plurality of screws, a cylinder is fixedly arranged at the top end of the fixed plate, a valve rod is arranged in the cylinder, a first fixing seat is fixedly arranged in the fixed plate, and the interior of the first fixing seat is in sliding connection with the side surface of the valve rod, and the high-sealing vacuum pneumatic baffle valve has the beneficial effects that: when the valve body needs to be closed to seal the air inlet pipeline, the air cylinder is started, the valve rod is driven to move downwards by pressurizing inside the air cylinder, and accordingly the second fixing seat, the sealing plate and the sealing ring are driven to move downwards, the sealing block is extruded into the sealing ring, sealing of the valve body is achieved through the sealing ring and the sealing block, and the device has higher sealing performance and longer service life.

Description

High-sealing vacuum pneumatic baffle valve with dustproof function

Technical Field

The utility model relates to the technical field of pneumatic baffle valves, in particular to a high-sealing vacuum pneumatic baffle valve with a dustproof function.

Background

The pneumatic baffle valve is a valve for adjusting the flow rate and the flow rate of gas in a pipeline, the pipeline is communicated with the air inlet of the valve body, the top of the valve body is usually provided with an air cylinder, and the air cylinder drives the valve rod to move through pressurization so as to drive the sealing plate to move, the air inlet of the valve body is sealed, the pressure is adjusted through the air cylinder, and therefore the gap between the sealing plate and the air inlet is adjusted, the baffle valve can adjust the flow rate and the flow rate of the gas in the pipeline, and the production efficiency is convenient to improve.

The patent specification publication CN219221274U discloses a pneumatic flapper valve comprising: the valve body comprises a baffle plate, and the baffle plate is used for controlling the passage switch; the pneumatic assembly comprises a valve rod, and the bottom end of the valve rod is connected with the baffle and used for controlling the baffle to move up and down; further comprises: and the manual device is connected with the worm and used for controlling the worm to move up and down under the condition of power failure. According to the utility model, the manual device is arranged, under the condition of power failure, the screw rod can be driven to move by utilizing the hand wheel through worm and worm wheel transmission, so that the valve rod is driven to move downwards, the valve rod is reset by utilizing the reset spring, the normal use of the baffle valve is ensured, the production safety is improved, meanwhile, the screw rod is connected with the valve rod by adopting the connecting sleeve, and under the normal working condition, the screw rod is lifted to the top end and is not contacted with the valve rod, so that the normal working of the valve rod is not influenced.

However, the pneumatic flapper valve described above has been found in the related art to have the following problems: the inside air inlet that seals the valve body through the baffle of pneumatic baffle valve, along with the use of baffle, the edge of baffle produces wearing and tearing with the air inlet of valve body easily, leads to the baffle to the leakproofness of valve body air inlet reduce, can make the life of valve body reduce, leads to resources such as water, gas to leak easily and causes the waste, in view of this, provides a high sealed vacuum pneumatic baffle valve with dustproof function in order to overcome above-mentioned defect.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a high-sealing vacuum pneumatic baffle valve with a dustproof function.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high sealed vacuum pneumatic baffle valve with dustproof function, includes the valve body, the fixed first sealing ring that is equipped with in top of valve body, the top of first sealing ring is equipped with the fixed plate through a plurality of screw fixation, the fixed cylinder that is equipped with in top of fixed plate, the inside of cylinder is provided with the valve rod, the fixed first fixing base that is equipped with in inside of fixed plate, the inside of first fixing base and the side sliding connection of valve rod, the bottom mounting of valve rod is equipped with the second fixing base, the bottom mounting of second fixing base is equipped with the closing plate, first seal groove has been seted up to the bottom of closing plate, the inside sliding connection of first seal groove has the sealing washer, the bottom of closing plate is equipped with the clamp plate through a plurality of screw fixation, the inside bottom mounting of valve body is equipped with the sealing block, and the sealing block is located the sealing washer under.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, a second sealing ring is fixedly arranged at an air inlet of the valve body, and a second sealing groove is formed in the bottom end of the second sealing ring.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, a third sealing ring is fixedly arranged at the air outlet of the valve body, and a third sealing groove is formed in one side of the third sealing ring.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, the side face of the valve rod is provided with the dustproof sleeve, and sealing sleeves are fixedly arranged at the top end and the bottom end of the dustproof sleeve.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, fastening rings are sleeved on the side surfaces of the two sealing sleeves, and first fastening blocks are fixedly arranged at one ends of the two fastening rings.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, through holes are formed in the two first fastening blocks, and bolts are connected in the two through holes in a sliding mode.

As an optimal scheme of the high-sealing vacuum pneumatic baffle valve with the dustproof function, the other ends of the two fastening rings are fixedly provided with the second fastening blocks, threaded holes are formed in the two second fastening blocks, and the interiors of the two threaded holes are respectively in threaded connection with the side surfaces of the two bolts.

(III) beneficial effects

The utility model provides a high-sealing vacuum pneumatic baffle valve with a dustproof function. The beneficial effects are as follows:

1. when the valve body is required to be closed to seal the air inlet pipeline, the air cylinder is started, the air cylinder is internally pressurized to drive the valve rod to move downwards, so that the second fixing seat, the sealing plate and the sealing ring are driven to move downwards, the sealing block is extruded into the sealing ring, the sealing of the valve body is realized through the sealing ring and the sealing block, meanwhile, the sealing ring is made of rubber, and is softer, so that the sealing block is not easy to wear after being contacted with the sealing ring, the device has higher tightness, and meanwhile, the service life is longer;

2. establish the dirt proof boot cover on the valve rod for two seal covers are established respectively on first fixing base and second fixing base, overlap respectively two lock rings and are established on two seal covers, insert the through-hole inside with the bolt, later get into threaded hole through threaded connection, rotate the bolt and make first fastening piece and second fastening piece be close to each other, thereby make the seal cover have higher leakproofness, improved the dirt proof boot to the dustproof effect of cylinder.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic cross-sectional view of a valve body according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic view of the mounting structure of the fastening ring of the present utility model.

In the figure, 1, a valve body; 2. a first seal ring; 3. a fixing plate; 4. a cylinder; 5. a valve stem; 6. a first fixing seat; 7. the second fixing seat; 8. a sealing plate; 9. a first seal groove; 10. a seal ring; 11. a pressing plate; 12. a sealing block; 13. a second seal ring; 14. a second seal groove; 15. a third seal ring; 16. a third seal groove; 17. a dust cover; 18. sealing sleeve; 19. a fastening ring; 20. a first fastening block; 21. a bolt; 22. and a second fastening block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 1, 2 and 3, for a first embodiment of the present utility model, this embodiment provides a high-sealing vacuum pneumatic baffle valve with dustproof function, which comprises a valve body 1, the top of the valve body 1 is fixedly provided with a first sealing ring 2, the top of the first sealing ring 2 is fixedly provided with a fixed plate 3 through a plurality of screws, the top of the fixed plate 3 is fixedly provided with a cylinder 4, the inside of the cylinder 4 is provided with a valve rod 5, the inside of the fixed plate 3 is fixedly provided with a first fixed seat 6, the inside of the first fixed seat 6 is slidably connected with the side surface of the valve rod 5, the bottom of the valve rod 5 is fixedly provided with a second fixed seat 7, the bottom of the second fixed seat 7 is fixedly provided with a sealing plate 8, the bottom of the sealing plate 8 is provided with a first sealing groove 9, the inside of the first sealing groove 9 is slidably connected with a sealing ring 10, the bottom of the sealing plate 8 is fixedly provided with a pressing plate 11 through a plurality of screws, the bottom of the inside of the valve body 1 is fixedly provided with a sealing block 12, and the sealing block 12 is located under the sealing ring 10, the first sealing ring 2 is convenient for fixing the cylinder 3, the cylinder 4 is convenient for pressurizing and driving the valve rod 5 to move, the first fixed seat 6 is convenient for reducing the probability of entering the inside of the cylinder 4 through the valve rod 5, the sealing block 7 is convenient for being connected with the sealing plate 8, the sealing plate 8 is convenient for the sealing plate 1 to be convenient for impact the sealing plate 1, and the sealing plate 1 is convenient for be prevented from damaging the sealing plate 1, and the sealing plate 1 is convenient to be connected with the sealing plate 1.

As a further embodiment of the above technical solution: the air inlet of the valve body 1 is fixedly provided with a second sealing ring 13, the bottom end of the second sealing ring 13 is provided with a second sealing groove 14, and the second sealing ring 13 is convenient for fixing an air inlet pipeline.

As a further embodiment of the above technical solution: the gas outlet of the valve body 1 is fixedly provided with a third sealing ring 15, one side of the third sealing ring 15 is provided with a third sealing groove 16, and the third sealing ring 15 is convenient for fixing a gas outlet pipeline.

Example 2

Referring to fig. 1, 2, 4 and 5, in a second embodiment of the present utility model, based on the previous embodiment, a dust cover 17 is provided on a side surface of the valve rod 5, and sealing sleeves 18 are fixedly provided on top and bottom ends of the dust cover 17, where the sealing sleeves 18 facilitate improvement of sealing performance of the valve rod 5.

As a further embodiment of the above technical solution: the side faces of the two sealing sleeves 18 are respectively sleeved with a fastening ring 19, one ends of the two fastening rings 19 are respectively fixedly provided with a first fastening block 20, and the fastening rings 19 are convenient for fixing the sealing sleeves 18 on the first fixing seat 6 and the second fixing seat 7.

As a further embodiment of the above technical solution: through holes are formed in the two first fastening blocks 20, bolts 21 are slidably connected to the two through holes, and the first fastening blocks 20 are convenient for fastening the fastening rings 19.

As a further embodiment of the above technical solution: the other ends of the two fastening rings 19 are fixedly provided with second fastening blocks 22, threaded holes are formed in the two second fastening blocks 22, the interiors of the two threaded holes are respectively in threaded connection with the side faces of the two bolts 21, and the second fastening blocks 22 are convenient for fastening the fastening rings 19.

Working principle:

when the baffle valve is used, the fixed plate 3 is fixedly connected with the first sealing ring 2 through a plurality of screws, the second sealing ring 13 is fixedly connected with the pipeline for air inlet, the third sealing ring 15 is fixedly connected with the pipeline for air outlet, the second sealing groove 14 and the third sealing groove 16 are internally provided with sealing rubber rings, so that the sealing property between the pipeline and the valve body 1 is conveniently improved, the air in the air inlet pipeline leaves through the valve body 1 and leaves from the air outlet pipeline, when the valve body 1 is required to be closed to seal the air inlet pipeline, the cylinder 4 is started, the inside of the cylinder 4 is pressurized to drive the valve rod 5 to move downwards, the second fixed seat 7, the sealing plate 8 and the sealing ring 10 are driven to move downwards, the sealing block 12 is extruded into the sealing ring 10, the sealing of the valve body 1 is realized through the sealing ring 10 and the sealing block 12, the sealing ring 10 is made of rubber materials, and the rubber materials are softer, the sealing block 12 is in a convex shape, the outer diameter of the bulge is gradually reduced from the bottom, so that the overall strength of the bulge is ensured, when the sealing ring 10 contacts the bulge, the bulge is not easy to deform, the device has higher sealing performance, and has longer service life, when the valve body 1 is required to be opened, the cylinder 4 is started to reduce pressure, the sealing plate 8 is jacked by gas in an air inlet pipeline, the utility model discloses a sealing device, make the circulation of gas, in the in-process of valve body 1 inside gas circulation, the gap entering cylinder 4 between valve rod 5 and first fixing base 6 is passed through to the dust in the gas easily, lead to the frictional force increase between the inside pneumatic element of cylinder 4, easily lead to cylinder 4 to damage, before installation cylinder 4, the separation between second fixing base 7 and sealing plate 8, establish dust cover 17 cover on valve rod 5, make two seal cover 18 cover establish respectively on first fixing base 6 and second fixing base 7, establish two lock ring 19 cover respectively on two seal cover 18, insert the through-hole inside with bolt 21, later get into threaded hole through threaded connection, rotate bolt 21 and make first fastening piece 20 and second fastening piece 22 be close to each other, thereby make seal cover 18 have higher leakproofness, the dust prevention effect of dust cover 17 to cylinder 4 has been improved, dust cover 17 is the bellows, can stretch out and draw back along with the removal of valve rod 5, after fixing, weld sealing plate 8 in the bottom of second fixing base 7, seal plate 8 when avoiding using, seal plate 8 to drop.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a high sealed vacuum pneumatic baffle valve with dustproof function, includes valve body (1), its characterized in that: the valve is characterized in that a first sealing ring (2) is fixedly arranged at the top end of the valve body (1), a fixing plate (3) is fixedly arranged at the top end of the first sealing ring (2) through a plurality of screws, a cylinder (4) is fixedly arranged at the top end of the fixing plate (3), a valve rod (5) is arranged at the bottom end of the cylinder (4), a first fixing seat (6) is fixedly arranged at the inside of the fixing plate (3), the inside of the first fixing seat (6) is slidably connected with the side face of the valve rod (5), a second fixing seat (7) is fixedly arranged at the bottom end of the valve rod (5), a sealing plate (8) is arranged at the bottom end of the second fixing seat (7), a sealing ring (10) is fixedly connected at the bottom end of the sealing plate (8) through a plurality of screws, a sealing block (12) is fixedly arranged at the bottom end of the inside of the valve body (1), and the sealing block (12) is located under the sealing ring (10).

2. The high-sealing vacuum pneumatic baffle valve with dust-proof function as claimed in claim 1, wherein: the air inlet of the valve body (1) is fixedly provided with a second sealing ring (13), and the bottom end of the second sealing ring (13) is provided with a second sealing groove (14).

3. A high-sealing vacuum pneumatic flapper valve with dust-proof function as claimed in claim 2, wherein: the gas outlet of the valve body (1) is fixedly provided with a third sealing ring (15), and one side of the third sealing ring (15) is provided with a third sealing groove (16).

4. A high-sealing vacuum pneumatic flapper valve with dust-proof function as claimed in claim 3, wherein: the side of valve rod (5) is equipped with dust cover (17), top and bottom all are fixed to be equipped with seal cover (18) of dust cover (17).

5. The high-sealing vacuum pneumatic baffle valve with a dustproof function according to claim 4, wherein: the side faces of the two sealing sleeves (18) are respectively sleeved with a fastening ring (19), and one ends of the two fastening rings (19) are respectively fixedly provided with a first fastening block (20).

6. The high-sealing vacuum pneumatic baffle valve with a dustproof function according to claim 5, wherein: through holes are formed in the first fastening blocks (20), and bolts (21) are connected to the through holes in a sliding mode.

7. The high-sealing vacuum pneumatic baffle valve with dust-proof function as set forth in claim 6, wherein: the other ends of the two fastening rings (19) are fixedly provided with second fastening blocks (22), threaded holes are formed in the second fastening blocks (22), and the inner parts of the two threaded holes are respectively in threaded connection with the side surfaces of the two bolts (21).