CN212251215U

CN212251215U - Leak-proof sealing device for gate valve

Info

Publication number: CN212251215U
Application number: CN202020258654.5U
Authority: CN
Inventors: 高学芬
Original assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Current assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-12-29
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a leak protection sealing device for gate valve, which comprises a housin, the lateral wall fixedly connected with dead lever of casing, the bottom fixedly connected with telescopic link of dead lever, the bottom fixedly connected with fixed plate of telescopic link, the bottom fixedly connected with mounting panel of fixed plate, the bottom fixedly connected with clamp splice of mounting panel, the bottom fixedly connected with lug of clamp splice, the first rubber stick of lateral wall fixedly connected with of lug, the top fixedly connected with cardboard of mounting panel, the bottom of casing is provided with the water inlet, the lateral wall fixedly connected with bottom plate of water inlet, the top fixedly connected with fixed block of bottom plate, the inside of fixed block is provided with the recess, the bottom fixedly connected with second rubber stick of recess, the water inlet is provided with the water pipe clamp with the inside of delivery port. The utility model discloses, increased the leakproofness to water pipe and valve, reduced the emergence of the phenomenon of leaking.

Description

Leak-proof sealing device for gate valve

Technical Field

The utility model relates to a carry protection technical field, especially relate to a leak protection sealing device for gate valve.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed through the contact of a valve seat and the gate plate, metal materials can be deposited on a sealing surface to increase the wear resistance, the gate plate is provided with a rigid gate plate and an elastic gate plate, and the gate valve is divided into the rigid gate valve and the elastic gate valve according to the difference of the gate plates.

However, the existing gate valve device leak-proof sealing device is not good, most of valves are connected with gaps to cause water flow to flow in, the sealing performance of a water pipe is not good, and water flow backflow and other phenomena can occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a leakage-proof sealing device for a gate valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a leak-proof sealing device for a gate valve comprises a shell, wherein a fixed rod is fixedly connected to the side wall of the shell, a telescopic rod is fixedly connected to the bottom end of the fixed rod, a fixed plate is fixedly connected to the bottom end of the telescopic rod, a mounting plate is fixedly connected to the bottom end of the fixed plate, a clamping block is fixedly connected to the bottom end of the mounting plate, a convex block is fixedly connected to the bottom end of the clamping block, a first rubber rod is fixedly connected to the side wall of the convex block, a clamping plate is fixedly connected to the top end of the mounting plate, a water inlet is formed in the bottom end of the shell, a water outlet is formed in the bottom end of the shell and positioned on the other side of the water inlet, a bottom plate is fixedly connected to the side wall of the water outlet, the water outlet is fixedly connected with, the water pipe clamp is arranged inside the water inlet and the water outlet, a rubber block is fixedly connected to the side wall of the water pipe clamp, and a foam plate is fixedly connected to the top end of the water pipe clamp.

As a further description of the above technical solution:

the front surface of the fixed rod is fixedly connected with a return spring, and the top end of the fixed rod is fixedly connected with a rotating handle.

As a further description of the above technical solution:

the water pipe presss from both sides four and is located the both ends of water inlet and delivery port and respectively sets up two, the top fixedly connected with fixing bolt of water pipe clamp, fixing bolt has four.

As a further description of the above technical solution:

the top fixedly connected with stopper of casing, the stopper has two.

As a further description of the above technical solution:

the rubber blocks are two and located on two sides of the water pipe clamp.

As a further description of the above technical solution:

the cardboard has two and is located the both sides of fixed plate, the bottom fixedly connected with side wall of second rubber slab of first rubber slab.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the leak-proof sealing device for the gate valve has the advantages that the gate is in fit connection with the groove in the fixed block and the second rubber rod in the groove through the clamping block, the convex block and the first rubber rod on the convex block, and water flow cannot flow into the gap.

2. Compared with the prior art, the leak-proof sealing device for the gate valve is provided with the water pipe clamp, the water pipe is clamped, the side wall of the water pipe clamp and the top end of the water pipe clamp are fixedly connected with the rubber block and the foam board, so that the sealing performance is improved, and the phenomena that the sealing performance is poor and water flows backwards and flows out are prevented.

Drawings

Fig. 1 is a structural front view of a leak-proof sealing device for a gate valve according to the present invention;

fig. 2 is a front view of the leak-proof sealing device for a gate valve according to the present invention;

fig. 3 is a partial enlarged view of fig. 1-a according to the present invention.

Illustration of the drawings:

1. a housing; 2. fixing the rod; 3. a telescopic rod; 4. a fixing plate; 5. mounting a plate; 6. a clamping block; 7. a fixed block; 8. clamping a plate; 9. a water inlet; 10. a water outlet; 11. a base plate; 12. fixing the bolt; 13. a return spring; 14. a limiting block; 15. turning a handle; 16. a bump; 17. a first rubber rod; 18. a groove; 19. a second rubber rod; 20. a water pipe clamp; 21. a rubber block; 22. a foam board.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of leak protection sealing device for gate valve: comprises a shell 1, a fixed rod 2 is fixedly connected with the side wall of the shell 1 and used for fixing, a telescopic rod 3 is fixedly connected with the bottom end of the fixed rod 2 and used for a lifting control valve, a fixed plate 4 is fixedly connected with the bottom end of the telescopic rod 3, a mounting plate 5 is fixedly connected with the bottom end of the fixing plate 4, a clamping block 6 is fixedly connected with the bottom end of the mounting plate 5, a lug 16 is fixedly connected with the bottom end of the clamping block 6 and can be in seamless connection with a groove 18, a first rubber rod 17 is fixedly connected with the side wall of the lug 16 and can prevent water flow leakage, a clamping plate 8 is fixedly connected with the top end of the mounting plate 5 and is used for blocking water flow, a water inlet 9 is arranged at the bottom end of the shell 1, a water outlet 10 is arranged at the bottom end of the shell 1 and at the other side of the water, the top fixedly connected with fixed block 7 of bottom plate 11, the inside of fixed block 7 is provided with recess 18, can be used for the leak protection with 16 interconnect of lug, the bottom fixedly connected with second rubber stick 19 of recess 18, can agree with first rubber stick 17 interconnect, prevent that rivers from getting into, water inlet 9 is provided with water pipe clamp 20 with the inside of delivery port 10, be used for pressing from both sides tight water pipe, the lateral wall fixedly connected with rubber block 21 of water pipe clamp 20, prevent that the water pipe from leaking against the current, the top fixedly connected with cystosepiment 22 of water pipe clamp 20, be used for sealing device.

The front of the fixed rod 2 is fixedly connected with a reset spring 13 for resetting the telescopic rod 3, the top end of the fixed rod 2 is fixedly connected with a rotating handle 15, a lifting switch valve of the telescopic rod 3 is convenient to operate, four water pipe clamps 20 are arranged at two ends of a water inlet 9 and a water outlet 10 respectively, the water pipes are clamped up and down to prevent water in the water pipes from flowing backwards, the top end of each water pipe clamp 20 is fixedly connected with a fixing bolt 12 for fixedly adjusting the tightness degree of the water pipe clamp 20, the number of the fixing bolts 12 is four, the top end of the shell 1 is fixedly connected with a limiting block 14 for prompting that the rotating handle 15 reaches the position suitable for closing the valve, the number of the limiting blocks 14 is two, two rubber blocks 21 are arranged at two sides of the water pipe clamps 20 to enhance the sealing performance, two clamping plates 8 are arranged at two sides of the fixed plate 4, and the bottom end of the, the first rubber rod 17 can be matched and connected with a groove reserved in the second rubber rod 19, water flow can be prevented from flowing in, and the sealing performance is good.

The working principle is as follows: when the device is used, a water pipe is firstly inserted into a water inlet 9 and a water outlet 10, the water pipe clamp 20 is fixedly clamped through a fixing bolt 12, a rubber block 21 on the water pipe clamp 20 is connected with a foam plate 22 on the water pipe, the sealing performance is improved, a rotating handle 15 is rotated to a limiting block 14, a telescopic rod 3 on a fixing rod 2 descends, the telescopic rod 3 drives a fixing plate 4 and a mounting plate 5 to descend, a clamping plate 8 is connected with the inside of a shell 1 to prevent water from overflowing, a lug 16 on the clamping block 6 descends into a groove 18 in the fixing block 7 on a bottom plate 11, two first rubber rods 17 on the side wall of the lug 16 are in fit connection with second rubber rods 19 in the groove 18 to prevent water from flowing in from a gap, after the device is used, the rotating handle 15 is rotated to enable the telescopic rod 3 to ascend, the fixing plate 4 is collided with a reset spring.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a leak protection sealing device for gate valve, includes casing (1), its characterized in that: the side wall of the shell (1) is fixedly connected with a fixed rod (2), the bottom of the fixed rod (2) is fixedly connected with a telescopic rod (3), the bottom of the telescopic rod (3) is fixedly connected with a fixed plate (4), the bottom of the fixed plate (4) is fixedly connected with a mounting plate (5), the bottom of the mounting plate (5) is fixedly connected with a clamping block (6), the bottom of the clamping block (6) is fixedly connected with a lug (16), the side wall of the lug (16) is fixedly connected with a first rubber rod (17), the top end of the mounting plate (5) is fixedly connected with a clamping plate (8), the bottom of the shell (1) is provided with a water inlet (9), the bottom of the shell (1) and the other side of the water inlet (9) are provided with a water outlet (10), the side wall of the water outlet (10) is fixedly connected with a bottom plate (11), and the water outlet (, the water pipe clamp is characterized in that a fixing block (7) is fixedly connected to the top end of the bottom plate (11), a groove (18) is formed in the fixing block (7), a second rubber rod (19) is fixedly connected to the bottom end of the groove (18), a water pipe clamp (20) is arranged in the water inlet (9) and the water outlet (10), a rubber block (21) is fixedly connected to the side wall of the water pipe clamp (20), and a foam plate (22) is fixedly connected to the top end of the water pipe clamp (20).

2. The leak-proof sealing device for a gate valve as claimed in claim 1, wherein: the front surface of the fixed rod (2) is fixedly connected with a return spring (13), and the top end of the fixed rod (2) is fixedly connected with a rotating handle (15).

3. The leak-proof sealing device for a gate valve as claimed in claim 1, wherein: the water pipe clamps (20) are four, two ends of the water pipe clamps (20) located at the water inlet (9) and the water outlet (10) are respectively provided with two water pipes, the top ends of the water pipe clamps (20) are fixedly connected with fixing bolts (12), and the number of the fixing bolts (12) is four.

4. The leak-proof sealing device for a gate valve as claimed in claim 1, wherein: the top end fixedly connected with stopper (14) of casing (1), stopper (14) have two.

5. The leak-proof sealing device for a gate valve as claimed in claim 1, wherein: the rubber blocks (21) are two and are positioned on two sides of the water pipe clamp (20).

6. The leak-proof sealing device for a gate valve as claimed in claim 1, wherein: cardboard (8) have two and are located the both sides of fixed plate (4), the bottom fixedly connected with side wall of second rubber stick (19) of first rubber stick (17).