CN210088136U

CN210088136U - Hydraulic control valve with good anti-leakage effect

Info

Publication number: CN210088136U
Application number: CN201920622146.8U
Authority: CN
Inventors: 张立东
Original assignee: Shanghai Dazhong Hydraulic Technology Co Ltd
Current assignee: Shanghai Dazhong Hydraulic Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-18
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an effectual liquid accuse valve of antiseep, including the valve casing, the fixedly connected with fixed plate on the inner wall of valve casing, the water service port has been seted up at the top of fixed plate, pneumatic cylinder fixedly connected with sealing device is passed through to the bottom of fixed plate, sealing device includes closing plate and disk seat, the top joint of annular seal briquetting and disk seat is passed through to the bottom of closing plate, the top of closing plate and the bottom fixed connection of pneumatic cylinder, the outside of disk seat and the inner wall fixed connection of valve casing, the fixed surface of closing plate is connected with annular connecting plate. The hydraulic control valve with the good anti-seepage effect is reasonable in structural design and convenient to use, the anti-seepage effect of the hydraulic control valve can be greatly improved through multi-mode anti-seepage sealing treatment, the phenomenon of loose sealing and water leakage caused by long-term use is avoided, the cost is reduced, the service life is prolonged, and great convenience is brought to a user.

Description

Hydraulic control valve with good anti-leakage effect

Technical Field

The utility model relates to the technical field of valves, specifically be an effectual liquid accuse valve of antiseep.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

Most of hydraulic control valves in the prior art have poor anti-leakage effect, the hydraulic control valve is single in structure and short in service life, the valve plate and the inner side of the valve seat are attached through rotating the valve plate when the hydraulic control valve is used, so that the effect of intercepting is achieved, however, after the hydraulic control valve is used for a certain time, the valve plate and the inner side of the valve seat are continuously rubbed, the valve plate and the valve seat can be aged, the water leakage phenomenon is caused, the valve anti-leakage performance is low, the cost is increased, the hydraulic control valve is difficult to continue to be put into use, great inconvenience is brought to users, and therefore the hydraulic control valve with good anti-leakage effect is provided, and the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectual liquid accuse valve of antiseep to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic control valve with good anti-leakage effect comprises a valve casing, wherein a fixed plate is fixedly connected to the inner wall of the valve casing, a water through opening is formed in the top of the fixed plate, and a sealing device is fixedly connected to the bottom of the fixed plate through a hydraulic cylinder;

the sealing device comprises a sealing plate and a valve seat, the bottom of the sealing plate is clamped with the top of the valve seat through an annular sealing pressing block, the top of the sealing plate is fixedly connected with the bottom of a hydraulic cylinder, the outer side of the valve seat is fixedly connected with the inner wall of a valve casing, the surface of the sealing plate is fixedly connected with an annular connecting plate, the bottom of the annular connecting plate is clamped with the valve seat through an outer sealing rubber ring, the bottom of the sealing plate is fixedly connected with an inner sealing rubber ring corresponding to the position of the inner wall of the valve seat, the outer side of the inner sealing rubber ring is mutually contacted with the inner wall of the valve seat, the left side and the right side of the inner wall of the valve seat are both fixedly connected with triangular blocks, a valve rod is arranged at the midpoint of the back of the valve casing and corresponds to the position between the two triangular blocks, the front end, the surface of the valve plate is fixedly connected with a clamping and inserting ball, and the position of the triangular block corresponding to the clamping and inserting ball is fixedly connected with a ball inserting sleeve matched with the triangular block.

Preferably, the number of the water through openings is four, and the water through openings are arranged on the top of the fixing plate in a surrounding mode at equal intervals.

Preferably, the number of the clamping and inserting balls is two, and the clamping and inserting balls are arranged on the surface of the valve plate in a centrosymmetric mode by taking the valve rod as a symmetric axis.

Preferably, the surface of the triangular block corresponds to the position fixedly connected with the reinforcing rib of the ball inserting sleeve, and one side of the reinforcing rib, which is close to the ball inserting sleeve, is fixedly connected with the ball inserting sleeve.

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

the utility model discloses a pneumatic cylinder drives the closing plate and moves down, utilize the sealed briquetting of annular to connect the disk seat, interior sealing rubber circle and external sealing rubber circle play the sealed effect of one deck simultaneously, secondly through rotating the valve rod, utilize the both ends of valve plate and three hornblocks to form and overlap, carry out the secondary seal, the joint connects the ball to insert to form fixedly in inserting the ball cover simultaneously, the prevention of seepage performance of valve has further been improved, this effectual liquid control valve of prevention of seepage, structural design is reasonable, high durability and convenient use, sealed the processing of prevention of seepage through the multimode, improvement liquid control valve's that can be great prevention of seepage effect, the phenomenon of the tight leak of sealed that appears of avoiding appearing long-term use, the cost is reduced, the service life is prolonged, very big convenience has been brought for the user.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

fig. 2 is a structural sectional view of a top view of the present invention;

FIG. 3 is a sectional view of the sealing device of the present invention;

fig. 4 is a partial enlarged view of a-a in fig. 3 according to the present invention.

In the figure: the device comprises a valve shell 1, a fixing plate 2, a water through hole 3, a hydraulic cylinder 4, a sealing device 5, a sealing plate 51, a valve seat 52, an annular sealing pressing block 53, an annular connecting plate 54, an outer sealing rubber ring 55, an inner sealing rubber ring 56, a triangular block 57, a valve rod 58, a valve plate 59, a clamping ball, a ball inserting sleeve 511 and a reinforcing rib 512.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a hydraulic control valve with good anti-leakage effect includes a valve housing 1, a fixing plate 2 fixedly connected to an inner wall of the valve housing 1, water openings 3 formed at a top of the fixing plate 2, four water openings 3 circumferentially formed at a top of the fixing plate 2 at equal intervals, and a sealing device 5 fixedly connected to a bottom of the fixing plate 2 through a hydraulic cylinder 4.

Referring to fig. 1-4, the sealing device 5 includes a sealing plate 51 and a valve seat 52, the bottom of the sealing plate 51 is clamped with the top of the valve seat 52 through an annular sealing press block 53, the top of the sealing plate 51 is fixedly connected with the bottom of the hydraulic cylinder 4, the outer side of the valve seat 52 is fixedly connected with the inner wall of the valve housing 1, the surface of the sealing plate 51 is fixedly connected with an annular connecting plate 54, the bottom of the annular connecting plate 54 is clamped with the valve seat 52 through an outer sealing rubber ring 55, the annular connecting plate 54 is inserted on the valve seat 52 to play a role of fixed sealing, the bottom of the sealing plate 51 is fixedly connected with an inner sealing rubber ring 56 corresponding to the inner wall of the valve seat 52, the outer side of the inner sealing rubber ring 56 is contacted with the inner wall of the valve seat 52, the left and right sides of the inner wall of the valve seat 52 are fixedly, the front end of the valve rod 58 penetrates through the valve casing 1 and the valve seat 52 from back to front in sequence and extends to the inner side of the valve seat 52, the surface of the valve rod 58 positioned on the inner side of the valve seat 52 is fixedly connected with a valve plate 59, the surface of the valve plate 59 is fixedly connected with clamping inserting balls 510, the quantity of the clamping inserting balls 510 is two, the valve rod 58 is used as a symmetry axis and is arranged on the surface of the valve plate 59 in a central symmetry mode, the triangular block 57 is fixedly connected with a ball inserting sleeve 511 matched with the clamping inserting ball 510 in a position corresponding to the clamping inserting ball 510, the surface of the triangular block 57 is fixedly connected with a reinforcing rib 512 in a position corresponding to the ball inserting sleeve 511, one side, close to the ball inserting sleeve 511, of the reinforcing rib 512 is fixedly connected with the ball inserting sleeve 511, the fixing degree of the ball inserting sleeve 511 and the triangular block 57 is reinforced by arranging the reinforcing rib 512, the ball inserting sleeve 511 can be effectively prevented from falling off from, meanwhile, the inner sealing rubber ring 56 and the outer sealing rubber ring 55 play a role in one-layer sealing, the two ends of the valve plate 59 are overlapped with the triangular block 57 by rotating the valve rod 58 to perform secondary sealing, and the clamping insertion ball 510 is inserted into the ball insertion sleeve 511 to form fixation, so that the seepage-proofing performance of the valve is further improved.

During the use, pneumatic cylinder 4 drives closing plate 51 and moves down, utilizes annular sealing briquetting 53 to connect valve seat 52, and interior sealing rubber circle 56 and exterior sealing rubber circle 55 play the sealed effect of one deck simultaneously, secondly through rotating valve rod 58, utilizes the both ends of valve plate 59 and triangle piece 57 to form overlapping, carries out secondary seal, and the card is inserted ball 510 and is inserted and form fixedly in inserting the ball cover 511 simultaneously, has further improved the prevention of seepage performance of valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an effectual liquid control valve of antiseep, includes valve casing (1), its characterized in that: a fixed plate (2) is fixedly connected to the inner wall of the valve casing (1), a water through opening (3) is formed in the top of the fixed plate (2), and a sealing device (5) is fixedly connected to the bottom of the fixed plate (2) through a hydraulic cylinder (4);

the sealing device (5) comprises a sealing plate (51) and a valve seat (52), the bottom of the sealing plate (51) is clamped with the top of the valve seat (52) through an annular sealing pressing block (53), the top of the sealing plate (51) is fixedly connected with the bottom of a hydraulic cylinder (4), the outer side of the valve seat (52) is fixedly connected with the inner wall of the valve casing (1), the surface of the sealing plate (51) is fixedly connected with an annular connecting plate (54), the bottom of the annular connecting plate (54) is clamped with the valve seat (52) through an outer sealing rubber ring (55), the bottom of the sealing plate (51) is fixedly connected with an inner sealing rubber ring (56) corresponding to the inner wall of the valve seat (52), the outer side of the inner sealing rubber ring (56) is in mutual contact with the inner wall of the valve seat (52), and the left and right sides of the inner wall of the valve seat (52), valve casing (1) back midpoint department and correspond the position between two triangle pieces (57) and be provided with valve rod (58), the front end of valve rod (58) runs through valve casing (1) and valve seat (52) and extends to the inboard of valve seat (52) from back to the front in proper order, is located valve rod (58) fixed surface of valve seat (52) inboard and is connected with valve plate (59), the fixed surface of valve plate (59) is connected with the card and connects ball (510), triangle piece (57) correspond the card and connect the position fixedly connected with of ball (510) and its mutual adaptation insert ball cover (511).

2. The hydraulic control valve with good anti-leakage effect as claimed in claim 1, wherein: the number of the water through openings (3) is four, and the water through openings are arranged on the top of the fixing plate (2) in an encircling mode at equal intervals.

3. The hydraulic control valve with good anti-leakage effect as claimed in claim 1, wherein: the number of the clamping and inserting balls (510) is two, and the clamping and inserting balls are arranged on the surface of the valve plate (59) in a centrosymmetric mode by taking the valve rod (58) as a symmetric axis.

4. The hydraulic control valve with good anti-leakage effect as claimed in claim 1, wherein: the triangular block (57) is fixedly connected with a reinforcing rib (512) on the surface of the triangular block and corresponding to the ball inserting sleeve (511), and one side, close to the ball inserting sleeve (511), of the reinforcing rib (512) is fixedly connected with the ball inserting sleeve (511).