CN220792116U

CN220792116U - Two-way sealing valve

Info

Publication number: CN220792116U
Application number: CN202322738230.5U
Authority: CN
Inventors: 侯斌; 黄晨谊; 苏为谈; 胡显堂; 赵海星; 彭家银; 潘志克; 张涵; 黄嘉超; 陶思勉
Original assignee: Zhejiang Feibike Valve Co ltd
Current assignee: Zhejiang Feibike Valve Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-04-16
Anticipated expiration: 2033-10-12

Abstract

The utility model discloses a two-way sealing valve, which relates to the technical field of valves and comprises a valve body and a valve cover detachably connected to the top of the valve body, wherein the valve body comprises a supporting cylinder body, two first connecting pipe bodies and a second connecting pipe body, the two first connecting pipe bodies are fixedly connected to two ends of the supporting cylinder body, the second connecting pipe body is fixedly connected to the top of the supporting cylinder body, a movable block is vertically and slidingly connected in the supporting cylinder body, two ends of the movable block are hinged with a valve, one side, opposite to the two valves, of the movable block is hinged with the two first connecting pipe bodies in a one-to-one correspondence manner, a valve rod is rotatably connected to the movable block, a limiting piece is arranged between the movable block and the valve rod, the valve rod is in threaded connection with the valve cover, and a hand wheel is detachably connected to the valve rod. The two sealing valves rotate by utilizing the valve rod to drive the movable block to move in the vertical direction, so that the two valves rotate simultaneously, the valve body is plugged or unblocked, and the linkage between the two valves is improved.

Description

Two-way sealing valve

Technical Field

The utility model relates to the technical field of valves, in particular to a two-way sealing valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. The valve 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. The valve can be classified into ball valve, butterfly valve, cone valve, etc. according to the shape of the valve core, wherein, at some special pipeline joints, two sealing valves are needed to ensure the tightness.

In the prior art, the two sealing valves have poor linkage property when in use, and the sealing property between the valves and the valve body is easy to be poor.

Disclosure of utility model

The utility model aims to provide a two-way sealing valve, which solves the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the valve body comprises a supporting cylinder body, two first connecting pipes and a second connecting pipe body, wherein the first connecting pipes are fixedly connected to the two ends of the supporting cylinder body, the second connecting pipes are fixedly connected to the top of the supporting cylinder body, a movable block is vertically and slidably connected in the supporting cylinder body, two ends of the movable block are hinged to a valve, one side, opposite to the valve, of the valve is hinged to the two first connecting pipes in a one-to-one correspondence mode, a valve rod is rotationally connected to the movable block, a limiting piece is arranged between the movable block and the valve rod, the valve rod is in threaded connection with the valve cover, and a hand wheel is detachably connected to the valve rod.

Further, the limiting piece comprises a clamping block, the clamping block is fixedly connected to the top of the movable block, an annular clamping groove is formed in the valve rod, and the clamping groove is matched with the clamping block in a clamping mode.

Further, the two sides of the movable block are respectively provided with a second sliding block, two sliding grooves are symmetrically formed in the valve body, and the two sliding grooves are in sliding connection with the two second sliding blocks in one-to-one correspondence.

Further, a scale plate is arranged on the valve cover, a first sliding block is sleeved on the scale plate, a threaded hole is formed in the first sliding block, and the first sliding block is in threaded connection with the valve rod through the threaded hole.

Further, the marked lines on the scale plate are red or yellow and bright orange.

Further, a piston is arranged on one side of the two opposite valves.

Further, a sealing gasket is arranged between the two valves and the corresponding first connecting pipe bodies.

Further, the outward flanging of the top opening of the second connecting pipe body forms a clamping ring, a plurality of bolts are screwed on the clamping ring, the clamping ring is in threaded connection with the valve cover through the bolts, and nuts are screwed at two ends of each bolt.

Compared with the prior art, the utility model has the beneficial effects that: the two sealing valves drive the valve rod to rotate by utilizing the hand wheel so as to drive the valve rod to drive the movable block to move in the vertical direction, and as the two valves are hinged on two sides of the movable block, one side of the two valves opposite to the two first connecting pipe bodies is hinged in a one-to-one correspondence manner, the two valves are simultaneously rotated, thereby realizing the blocking or unblocking of the valve body, effectively improving the linkage effect between the two valves and ensuring the tightness between the valves and the valve body.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a cross-sectional view at B-B in FIG. 2;

FIG. 2 is a top view of an overall structure provided by an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken at C-C of FIG. 2;

FIG. 4 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

fig. 5 is an enlarged view at a in fig. 4.

Reference numerals illustrate: 1. a first connection pipe body; 2. a support cylinder; 3. a second connection pipe body; 4. a valve stem; 5. a valve; 6. a piston; 7. a sealing gasket; 8. an articulated arm; 9. a movable block; 10. a valve cover; 11. a hand wheel; 12. a first slider; 13. a scale plate; 14. marking lines; 15. a clamping block; 16. a nut; 17. a gasket; 18. a collar; 19. a chute; 20. a second slider; 21. and (5) a bolt.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, the embodiment of the present utility model provides a technical solution: the valve body comprises a supporting cylinder body 2, two first connecting pipe bodies 1 and a second connecting pipe body 3, the two first connecting pipe bodies 1 are fixedly connected to the two ends of the supporting cylinder body 2, the second connecting pipe body 3 is fixedly connected to the top of the supporting cylinder body 2, a movable block 9 is vertically and slidably connected in the supporting cylinder body 2, the two ends of the movable block 9 are hinged with a valve 5, one side of the two valves 5 opposite to the two first connecting pipe bodies 1 is hinged in a one-to-one correspondence manner, the movable block 9 is rotationally connected with a valve rod 4, a limiting piece is arranged between the movable block 9 and the valve rod 4, the valve rod 4 is in threaded connection with the valve cover 10, a hand wheel 11 is detachably connected to the valve rod 4, specifically, the second connecting pipe body 3 is vertically arranged with the supporting cylinder body 2, one side of the two valves 5 is hinged with a hinge arm 8, the hinge position is located at the lower half part of the valve 5, one end of the two hinge arms 8, which is close to the movable block 9, is hinged with the movable block 9, the position of the valve 5, which is hinged with the first connecting pipe body 1, is located at the top of the valve 5, one side of the valve 5, which is close to the valve rod 5, is connected with the hand wheel 5, one side, which is close to the valve rod 5, is connected with the valve rod 5, and is connected with the valve rod 5 through a hand wheel 11 through a rotating angle of the hand wheel 11, and is welded to the valve rod 11, and the other end is connected with the valve rod through the hand wheel 11 through the valve rod through the angle to the valve rod and the valve rod 11, and the nut is convenient to detach through the nut and the nut through the angle to be detached from the valve nut through the angle and the valve.

As the preferable technical scheme, the limiting piece comprises a clamping block 15, the clamping block 15 is fixedly connected to the top of the movable block 9, an annular clamping groove is formed in the valve rod 4 and matched with the clamping block 15 in a clamping manner, specifically, the valve rod 4 is rotationally connected to the top of the movable block 9 through the clamping groove and the clamping block 15, and the movable block 9 can be driven to vertically move in the process of rotating and vertically moving the valve rod 4 through the clamping between the clamping block 15 and the clamping groove.

As a preferred technical scheme, two sides of the movable block 9 are respectively provided with a second sliding block 20, two sliding grooves 19 are symmetrically formed in the valve body, the two sliding grooves 19 are in sliding connection with the two second sliding blocks 20 in a one-to-one correspondence manner, specifically, the two sliding grooves 19 are vertically formed in the inner walls of the supporting cylinder body 2 and the second connecting pipe body 3, and the movable block 9 does not rotate along with the valve rod 4 through the cooperation between the two sliding grooves 19 and the two second sliding blocks 20, so that a guiding effect is achieved, and the movable block 9 is enabled to do linear motion in the vertical direction.

As the preferable technical scheme, be equipped with a scale 13 on the valve gap 10, cup jointed first slider 12 on the scale 13, offered the screw hole on the first slider 12, first slider 12 passes through screw hole and valve rod 4 spiro union, and specifically, scale 13 plays a spacing direction effect to first slider 12, makes first slider 12 rotary motion become rectilinear motion, and accessible first slider 12 moves to the position on the scale 13 and judges the degree of opening of two valves 5, avoids working in regulation or throttle state, avoids blind operation damage valve 5.

As the preferable technical scheme, the marked lines 14 on the scale plate 13 are red or yellow and bright orange, and the marked lines 14 are utilized to remind an operator to see the marks on the scale plate 13 clearly, so that the working efficiency is improved.

As a preferable technical scheme, a piston 6 is arranged on the opposite side of the two valves 5, specifically, the piston 6 has a certain elasticity, and the contraction and the support are not easy to break.

As a preferable technical scheme, a sealing gasket 7 is arranged between the two valves 5 and the corresponding first connecting pipe body 1, so that the tightness between the valves 5 and the valve body is improved to a certain extent.

As a preferred technical scheme, the outward flanging of the top opening of the second connecting pipe body 3 forms a collar 18, a plurality of bolts 21 are screwed on the collar 18, the collar 18 is in threaded connection with the valve cover 10 through the bolts 21, and nuts 16 are screwed at two ends of each bolt 21, so that the valve cover 10 is conveniently detached, and the whole device is overhauled.

Working principle: the two sealing valves 5 drive the valve rod 4 to rotate by utilizing the hand wheel 11, so that the movable block 9 is driven to vertically move along the direction of the sliding groove 19, as the two valves 5 are hinged on two sides of the movable block 9, one side of the two valves 5 opposite to the two first connecting pipes 1 are hinged in a one-to-one correspondence manner, the two valves 5 are simultaneously rotated, thereby realizing the plugging or unblocking of the valve body, effectively improving the linkage effect between the two valves 5, ensuring the tightness between the valves 5 and the valve body, and judging the opening degree of the valves 5 by observing the position of the first sliding block 12 on the scale plate 13.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a twice sealing valve (5), its characterized in that includes valve body and detachable valve gap (10) of connecting at the valve body top, the valve body includes support barrel (2), two first connecting pipe body (1) and second connecting pipe body (3), two first connecting pipe body (1) fixed connection is at the both ends of supporting barrel (2), second connecting pipe body (3) fixed connection is at the top of supporting barrel (2), vertical sliding connection movable block (9) in supporting barrel (2), the both ends of movable block (9) all articulate a valve (5), two one side and two first connecting pipe body (1) that valve (5) are relative articulates in a one-to-one, movable block (9) internal rotation is connected with a valve rod (4), be equipped with a locating part between movable block (9) and valve rod (4), valve rod (4) and valve gap (10) threaded connection, detachable connection has a hand wheel (11) on valve rod (4).

2. The two-way sealing valve (5) according to claim 1, wherein the limiting piece comprises a clamping block (15), the clamping block (15) is fixedly connected to the top of the movable block (9), an annular clamping groove is formed in the valve rod (4), and the clamping groove is matched with the clamping block (15) in a clamping manner.

3. The two-way sealing valve (5) according to claim 1, wherein two sides of the movable block (9) are respectively provided with a second sliding block (20), two sliding grooves (19) are symmetrically formed in the valve body, and the two sliding grooves (19) are in sliding connection with the two second sliding blocks (20) in a one-to-one correspondence manner.

4. The two-way sealing valve (5) according to claim 1, wherein a scale plate (13) is arranged on the valve cover (10), a first sliding block (12) is sleeved on the scale plate (13), a threaded hole is formed in the first sliding block (12), and the first sliding block (12) is in threaded connection with the valve rod (4) through the threaded hole.

5. A two-way sealing valve (5) according to claim 4, characterized in that the marking (14) on the scale plate (13) is red or yellow-bright orange.

6. A two-way sealing valve (5) according to claim 1, characterized in that the opposite sides of both valves (5) are provided with a piston (6).

7. A two-way sealing valve (5) according to claim 1, characterized in that a sealing gasket (7) is arranged between two of said valves (5) and the corresponding first connecting body (1).

8. A two-way sealing valve (5) according to claim 1, wherein the top opening of the second connecting pipe body (3) is turned outwards to form a collar (18), a plurality of bolts (21) are screwed on the collar (18), the collar (18) is in threaded connection with the valve cover (10) through the plurality of bolts (21), and two ends of each bolt (21) are screwed with a nut (16).