CN213393681U

CN213393681U - Leak-proof stop valve

Info

Publication number: CN213393681U
Application number: CN202022116264.7U
Authority: CN
Inventors: 吕紫荣; 华馨; 李小凤; 吕晓斌; 石家添
Original assignee: Shanghai Hugong Valve Manufacturing Co ltd
Current assignee: Shanghai Hugong Valve Manufacturing Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-08
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a leak protection stop valve, which comprises a valve body, valve body right side fixedly connected with valve gap, be provided with the valve box in the valve gap, a plurality of spacing grooves have been seted up to both sides around the valve box, the activity groove has been seted up in the valve box, be provided with the case in the valve box, be provided with a plurality of stoppers on the two sides around the case, the left end of case is connected with sealed the pad, the right-hand member of case is connected with the bearing, right-hand member at the bearing is connected with the hand wheel, the recess has been seted up in the case, the recess internal fixation has two fixed blocks, be provided with the pivot between two fixed blocks, pivot one side is fixed with the connecting block, the lower extreme of connecting block is connected with the hydraulic. Through designing the recess, there is the board that blocks water in the recess, under the circumstances that the case blocked water, the board that blocks water has the hydraulic stem control to support out, dams the delivery port, makes the case under the circumstances that leaks, and the board that blocks water carries out the secondary and dams, avoids the occurence of failure.

Description

Leak-proof stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a leak protection stop valve.

Background

The stop valve is also called a stop valve, is a valve which is widely used, and is popular because the friction force between sealing surfaces is small in the opening and closing process, the stop valve is durable, the opening difficulty is low, the manufacture is easy, the maintenance is convenient, the stop valve is suitable for medium and low pressure and high pressure, the closing principle of the stop valve depends on the pressure of a valve rod, the sealing surface of a valve clack is tightly attached to the sealing surface of a valve seat, the medium circulation is prevented, the existing stop valve is classified according to the direction of a channel, and the position of threads on the valve rod is classified according to the basis.

At present, the producer of china's production stop valve is more, the connection size is also mostly not unified, but the principle of various stop valves is the same basically, the stop valve is the most important in work has good leakproofness exactly, better leak protection characteristic has, and its leak protection structure of most stop valves on the market generally only has individual layer leak protection structure, after long-time the use, can make the leak protection structure produce wearing and tearing, lead to this effect of its leak protection to descend, influence the working effect of stop valve, produce liquid leakage easily, thereby cause the emergence of accident easily.

Therefore, the utility model provides a leak protection stop valve to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leak protection stop valve 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:

the utility model provides a leak protection stop valve, which comprises a valve body, valve body right side fixedly connected with valve gap is provided with the valve box in the valve gap, a plurality of spacing grooves have been seted up to both sides around the valve box, the movable groove has been seted up in the valve box, be provided with the case in the valve box, be provided with a plurality of stoppers on the two sides around the case, the left end of case is connected with sealed the pad, the right-hand member of case is connected with the bearing, right-hand member at the bearing is connected with the hand wheel, the recess has been seted up in the case, the recess internal fixation has two fixed blocks, be provided with the pivot between two fixed blocks, pivot one side is fixed with the connecting block, the lower extreme of connecting block is connected with the hydraulic stem, the bottom of hydraulic stem is connected with the loose.

As a further scheme of the utility model, valve body and valve case fixed connection, valve case and valve gap fixed connection.

As the utility model discloses scheme further again, hand wheel and bearing swing joint, bearing and case fixed connection, sealed pad and case fixed connection.

As the utility model discloses further scheme again, case and valve box sliding engagement, stopper and spacing groove activity joint.

As the utility model discloses scheme further again, fixed block fixed mounting is in the recess, pivot and fixed block activity joint, loose axle and draw-in groove slip joint.

As a further proposal of the utility model, the water-blocking plate is movably connected with the fixed shaft, and the fixed shaft is fixedly connected with the groove.

As the utility model discloses the scheme of furthering again, valve body and valve gap fixed connection, valve gap and hand wheel threaded connection.

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

through designing the recess, there is the board that blocks water in the recess, under the circumstances that the case blocked water, the board that blocks water has the hydraulic stem control to support out, dams the delivery port, makes the case under the circumstances that leaks, and the board that blocks water carries out the secondary and dams, avoids the occurence of failure.

Drawings

Fig. 1 is a schematic structural diagram of a leakage-proof stop valve.

Fig. 2 is a schematic view of a valve core shutoff structure in a leak-proof shutoff valve.

Fig. 3 is a schematic view of a structure of a water stop plate in a leakage-proof stop valve for intercepting water.

Fig. 4 is a schematic structural view of a water blocking plate in the leakage-proof stop valve.

Fig. 5 is a schematic diagram of a top view of the leakproof stop valve.

In the figure: 1. a valve body; 2. a gasket; 3. a valve core; 4. a valve box; 5. a limiting groove; 6. a limiting block; 7. a bearing; 8. a hand wheel; 9. a movable groove; 10. a groove; 11. a fixed block; 12. a rotating shaft; 13. connecting blocks; 14. a hydraulic lever; 15. a movable shaft; 16. a card slot; 17. a fixed shaft; 18. a water-blocking plate; 19. and a valve cover.

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. 1-5, in the embodiment of the present invention, a leak-proof stop valve comprises a valve body 1, the valve body 1 is fixedly connected with a valve box 4, the valve body 1 is fixedly connected with a valve cover 19, the valve cover 19 is in threaded connection with a hand wheel 8, the valve box 4 is fixedly connected with the valve cover 19, the hand wheel 8 is movably connected with a bearing 7, the bearing 7 is fixedly connected with a valve core 3, a sealing gasket 2 is fixedly connected with the valve core 3, the valve cover 19 is fixedly connected with the right side of the valve body 1, the valve box 4 is arranged in the valve cover 19, a plurality of limiting grooves 5 are arranged on the front and back sides of the valve box 4, a movable groove 9 is arranged in the valve box 4, the valve core 3 is slidably engaged with the valve box 4, the limiting blocks 6 are movably engaged with the limiting grooves 5, a plurality of limiting blocks 6, the right end of the bearing 7 is connected with a hand wheel 8, a groove 10 is formed in the valve element 3, two fixed blocks 11 are fixed in the groove 10, the fixed blocks 11 are fixedly installed in the groove 10, a rotating shaft 12 is movably clamped with the fixed blocks 11, a movable shaft 15 is slidably clamped with a clamping groove 16, a rotating shaft 12 is arranged between the two fixed blocks 11, a connecting block 13 is fixed on one side of the rotating shaft 12, the lower end of the connecting block 13 is connected with a hydraulic rod 14, the bottom end of the hydraulic rod 14 is connected with the movable shaft 15, the clamping groove 16 is arranged below the hydraulic rod 14, a water blocking plate 18 is connected to the lower side of the clamping groove 16, the water blocking plate 18 is movably connected with a fixed shaft 17, the fixed shaft 17 is fixedly connected with the.

The utility model discloses a theory of operation is:

through design valve case 4 and case 3, case 3 and valve case 4 sliding engagement itself, because valve case 4 is fixed with valve body 1, the position that case 3 blocked water is also fixed, and 5 meshing joints in the spacing groove 5 that the two sides was seted up around stopper 6 on the two sides around by case 3 and valve case 4 carry out the secondary position to case 3 and fix, avoid the joint angle emergence error of case 3 and water inlet.

A groove 10 is formed in the valve core 3, a water blocking plate 18 is arranged in the groove 10, the water blocking plate 18 is used for intercepting a water outlet, one end of the water blocking plate 18 is fixed in the groove 10 through a fixing shaft 17, a hydraulic rod 14 is used for connecting the water blocking plate 18, the hydraulic rod 14 extends to push the water blocking plate 18 out to intercept the water outlet, and the hydraulic rod 14 is shortened to control the water blocking plate 18 to return to the groove 10.

The two fixing blocks 11 in the groove 10 are correspondingly arranged and respectively arranged on the front wall and the rear wall in the groove 10, and the rotating shaft 12 is movably clamped between the two fixing blocks 11, so that the angle between the connecting block 13 fixedly connected with the rotating shaft 12 and the hydraulic rod 14 is not fixed, and the rotating shaft 12 can swing in a small range as a middle point.

The hydraulic rod 14 in the device can be controlled to extend and retract through an external control sensor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A leak-proof stop valve comprises a valve body (1) and is characterized in that a valve cover (19) is fixedly connected to the right side of the valve body (1), a valve box (4) is arranged in the valve cover (19), a plurality of limiting grooves (5) are formed in the front side and the rear side of the valve box (4), a movable groove (9) is formed in the valve box (4), a valve core (3) is arranged in the valve box (4), a plurality of limiting blocks (6) are arranged on the front side and the rear side of the valve core (3), a sealing gasket (2) is connected to the left end of the valve core (3), a bearing (7) is connected to the right end of the valve core (3), a hand wheel (8) is connected to the right end of the bearing (7), a groove (10) is formed in the valve core (3), two fixing blocks (11) are fixed to the inner wall of the groove (10), a rotating shaft, the lower end of the connecting block (13) is connected with a hydraulic rod (14), the bottom end of the hydraulic rod (14) is connected with a movable shaft (15), a clamping groove (16) is arranged below the hydraulic rod (14), the lower side of the clamping groove (16) is connected with a water blocking plate (18), and the right end of the water blocking plate (18) is provided with a fixed shaft (17).

2. A leak-proof stop valve according to claim 1, characterized in that the valve body (1) is fixedly connected with the valve box (4), and the valve box (4) is fixedly connected with the valve cover (19).

3. The leak-proof stop valve according to claim 1, characterized in that the hand wheel (8) is movably connected with the bearing (7), the bearing (7) is fixedly connected with the valve core (3), and the sealing gasket (2) is fixedly connected with the valve core (3).

4. The leak-proof stop valve as claimed in claim 1, characterized in that the valve core (3) is slidably engaged with the valve box (4), and the limiting block (6) is movably clamped with the limiting groove (5).

5. The leak-proof stop valve as claimed in claim 1, characterized in that the fixed block (11) is fixedly mounted on the inner wall of the groove (10), the rotating shaft (12) is movably clamped with the fixed block (11), and the movable shaft (15) is slidably clamped with the clamping groove (16).

6. The leak-proof stop valve as claimed in claim 1, characterized in that the water-stop plate (18) is movably connected with the fixed shaft (17), and the fixed shaft (17) is fixedly connected with the groove (10).

7. A leak-proof stop valve as claimed in claim 1, characterized in that the valve body (1) is fixedly connected with a valve cover (19), and the valve cover (19) is in threaded connection with the hand wheel (8).