CN212775608U

CN212775608U - Throttle stop valve

Info

Publication number: CN212775608U
Application number: CN202021516043.2U
Authority: CN
Inventors: 滕云彪
Original assignee: Shenyang Aiteng Technology Co ltd
Current assignee: Shenyang Aiteng Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-23
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a throttling stop valve, which comprises a valve body, there is the valve gap top of valve body through gasket threaded connection, the top threaded connection of valve gap has the pressure cap, the top of pressing the cap is run through there is the valve rod, the spout has all been seted up to the both sides of valve cap bottom, fixedly connected with closing plate between the both sides of valve body inner wall, the top adhesion of closing plate has sealed the pad, the bottom of closing plate is run through there is spacing frame, the inside that sealed pad and spout just extended to into the spout is run through in proper order to the top of spacing frame. The utility model discloses a valve body, valve gap, pressure cap, valve rod, closing plate, sealed pad, spout, spacing frame's cooperation is used, reduces the rivers impact force that the valve rod received at the rotation in-process, prevents that the long-time use of valve rod from causing left right side skew, improves valve life, uses through the cooperation of closing plate, sealed pad, gasket, spacing frame, valve gap and spout, and double seal improves the inside leakproofness of valve, improves and prevents leaking the effect.

Description

Throttle stop valve

Technical Field

The utility model relates to the technical field of valves, specifically be a throttle stop valve.

Background

The stop valve is also called as a stop valve, belongs to a forced sealing type valve, is one of the most extensive valves, is popular because the friction force between sealing surfaces in the opening and closing process is small, is durable, has small opening height, is easy to manufacture and convenient to maintain, and is suitable for medium and low pressure as well as high pressure; the throttle valve is a valve for controlling the flow of fluid by changing the throttle section or the throttle length; the throttle stop valve is a novel valve which combines the functions of the two.

At present, when the existing throttling stop valve is used, the flow velocity of water flow in the valve body is large, the water flow impact force on the valve rod is large, the valve rod is easy to deflect after long-time use, the service life of the valve is short, the sealing performance is poor, and the valve is easy to leak.

Therefore, it is necessary to provide a throttle cut valve to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a throttle stop valve to solve prior art valve rod and receive the great problem of rivers impact force.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a throttling stop valve, includes the valve body, there is the valve gap top of valve body through gasket threaded connection, the top threaded connection of valve gap has the pressure cap, it has the valve rod to run through at the top of pressure cap, the spout has all been seted up to the both sides of valve cap bottom, fixedly connected with closing plate between the both sides of valve body inner wall, the top adhesion of closing plate has sealed the pad, the bottom of closing plate runs through there is spacing frame, the top of spacing frame runs through sealed pad and spout in proper order and extends to the inside of advancing the spout, spacing frame and spout sliding connection, the bottom of valve rod runs through valve cap, sealed pad, closing plate in proper order and extends to the below of closing plate, the bottom of valve rod is rotated with the top of spacing frame inner wall and is connected, valve rod and valve gap.

Preferably, a water inlet and a water outlet are respectively formed in two sides of the valve body, a valve port is formed in the valve body and located at the joint of the water inlet and the water outlet, and a fixing seat is fixedly connected to the bottom of the limiting frame.

Preferably, the bottom of the fixed seat is fixedly connected with a valve flap, and the valve flap is matched with the valve port.

Preferably, a pressing ring is sleeved on the surface of the valve rod and below the pressing cap, and a filler is sleeved on the surface of the valve rod and between the bottom of the pressing ring and the top of the valve cover.

Preferably, the top end of the valve rod is fixedly connected with a hand wheel.

Preferably, the valve rod is rotatably connected with the pressing cap.

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

(1) the throttle stop valve drives the valve rod 4 to rotate by rotating the hand wheel 17, the valve rod 4 is in threaded connection with the inner surface of the valve cover 2, the valve rod 4 moves downwards while rotating, so that the limiting frame 8 is pushed to slide downwards, the limiting frame 8 slides in the sliding groove 7, the limiting frame 8 pushes the fixing seat 9 to move downwards while sliding downwards, the fixing seat 9 drives the valve flap 10 to move downwards, a gap between the valve flap 10 and the valve port 13 is gradually reduced, passing water flow is also gradually reduced, when the valve flap 10 is matched with the valve port 13, water flow between the water outlet 12 and the water inlet 11 is cut off, the limiting frame 8 limits and stabilizes the valve rod 4, impact of the water flow on the valve rod 4 is reduced, water flow impact force on the valve rod in the rotating process is reduced, left and right deviation caused by long-time use of the valve rod is prevented, and the service life,

(2) this throttle stop valve seals spacing frame 8 and valve rod 4 through sealed 6, and gasket 14 seals valve gap 2 and valve body 1, and double seal improves the inside leakproofness of valve, improves and prevents leaking the effect.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a throttle stop valve provided in the present invention;

FIG. 2 is a front view of the valve body of FIG. 1 in a structural schematic form;

fig. 3 is a schematic bottom view of the limiting frame shown in fig. 1.

In the figure: 1. a valve body; 2. a valve cover; 3. pressing the cap; 4. a valve stem; 5. a sealing plate; 6. a gasket; 7. a chute; 8. a limiting frame; 9. a fixed seat; 10. a valve flap; 11. a water inlet; 12. a water outlet; 13. a valve port; 14. a gasket; 15. a filler; 16. pressing a ring; 17. a handwheel.

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. 1-3, the present invention provides an embodiment: the throttling stop valve comprises a valve body 1, a valve cover 2 is connected to the top of the valve body 1 through a gasket 14 in a threaded manner, a pressing cap 3 is connected to the top of the valve cover 2 in a threaded manner, a valve rod 4 penetrates through the top of the pressing cap 3, sliding grooves 7 are formed in the two sides of the bottom of the valve cover 2, a sealing plate 5 is fixedly connected between the two sides of the inner wall of the valve body 1, sealing gaskets 6 are adhered to the top of the sealing plate 5, limiting frames 8 are penetrated through the bottom of the sealing plate 5 and are square frames 8, the sliding grooves 7 are square grooves matched with the limiting frames 8, the limiting frames 8 are in sliding connection with the sealing plate 5, the sealing gaskets 6 are in contact with the limiting frames 8, the sealing gaskets 6 and the sliding grooves 7 sequentially penetrate through the top of the limiting frames 8 and extend into the insides of the sliding grooves 7, the limiting frames 8 are in sliding, Sealed 6, the below of closing plate 5 and extending to closing plate 5 of filling up, the bottom of valve rod 4 is rotated with the top of 8 inner walls of spacing frame and is connected, 2 threaded connection of valve rod 4 and valve gap, valve rod 4 and sealed 6 contacts, valve rod 4 and closing plate 5 sliding connection, the both sides of 1 inner wall of valve body offer with the seal groove of sealed 6 looks adaptations of filling up.

The water inlet 11 and the water outlet 12 are respectively arranged on two sides of the valve body 1, the valve port 13 is arranged in the valve body 1 and at the joint of the water inlet 11 and the water outlet 12, and the fixing seat 9 is fixedly connected to the bottom of the limiting frame 8.

The bottom of the fixed seat 9 is fixedly connected with a valve flap 10, and the valve flap 10 is matched with the valve port 13.

The surface of the valve rod 4 is sleeved with a pressing ring 16 below the pressing cap 3, the surface of the valve rod 4 is sleeved with a filler 15 between the bottom of the pressing ring 16 and the top of the valve cover 2, and the top of the valve cover 2 is provided with a placing groove matched with the filler 15.

The top end of the valve rod 4 is fixedly connected with a hand wheel 17.

The valve rod 4 is rotatably connected with the pressing cap 3.

The working principle is as follows: when the valve is used, the hand wheel 17 is rotated to drive the valve rod 4 to rotate, the valve rod 4 is in threaded connection with the inner surface of the valve cover 2, the valve rod 4 rotates and moves downwards, so that the limiting frame 8 is pushed to slide downwards, the limiting frame 8 slides in the sliding groove 7, the limiting frame 8 pushes the fixing seat 9 to move downwards while sliding downwards, the fixing seat 9 drives the valve flap 10 to move downwards, a gap between the valve flap 10 and the valve port 13 is gradually reduced, passing water flow is also gradually reduced, when the valve flap 10 is matched with the valve port 13, the water flow between the water outlet 12 and the water inlet 11 is cut off, the limiting frame 8 limits and stabilizes the valve rod 4, the impact of the water flow on the valve rod 4 is reduced, the sealing gasket 6 seals the limiting frame 8 and the valve rod 4, the gasket 14 seals the valve cover 2 and the valve body 1, double sealing is realized, when the valve needs to be opened, the hand wheel 17 is rotated, thereby drive valve rod 4 rebound when the inside antiport of valve gap 2 to drive spacing frame 8 rebound, the top of spacing frame 8 upwards slides in the inside of spout 7, and spacing frame 8 drives fixing base 9 rebound, thereby drives valve clack 10 rebound, and valve clack 10 upwards shifts out from valve port 13 is interior, and the space crescent of valve clack 10 and valve port, the rivers that pass through also crescent.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A throttle stop valve, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is connected to the upper portion of the valve body (1) through a gasket (14) in a threaded manner, a pressing cap (3) is connected to the upper portion of the valve cover (2) in a threaded manner, a valve rod (4) penetrates through the top of the pressing cap (3), sliding grooves (7) are formed in two sides of the bottom of the valve cover (2), a sealing plate (5) is fixedly connected between two sides of the inner wall of the valve body (1), a sealing gasket (6) is bonded to the top of the sealing plate (5), a limiting frame (8) penetrates through the bottom of the sealing plate (5), the top of the limiting frame (8) penetrates through the sealing gasket (6) and the sliding grooves (7) in sequence and extends into the inner portion of the sliding grooves (7), the limiting frame (8) is connected with the sliding grooves (7) in a sliding manner, the bottom end of the valve rod (4) penetrates through the valve, the bottom of valve rod (4) is rotated with the top of spacing frame (8) inner wall and is connected, valve rod (4) and valve gap (2) threaded connection.

2. The throttle stop valve according to claim 1, wherein: the water inlet (11) and the water outlet (12) are respectively formed in two sides of the valve body (1), the valve port (13) is formed in the valve body (1) and is located at the joint of the water inlet (11) and the water outlet (12), and the fixing seat (9) is fixedly connected to the bottom of the limiting frame (8).

3. The throttle stop valve according to claim 2, wherein: the bottom of the fixed seat (9) is fixedly connected with a valve clack (10), and the valve clack (10) is matched with the valve port (13).

4. The throttle stop valve according to claim 1, wherein: the surface of the valve rod (4) is sleeved with a pressing ring (16) below the pressing cap (3), and a packing (15) is sleeved between the bottom of the pressing ring (16) and the top of the valve cover (2) on the surface of the valve rod (4).

5. The throttle stop valve according to claim 1, wherein: the top end of the valve rod (4) is fixedly connected with a hand wheel (17).

6. The throttle stop valve according to claim 1, wherein: the valve rod (4) is rotatably connected with the pressing cap (3).