CN221610658U - Novel noise elimination formula check valve - Google Patents

Abstract

The utility model discloses a novel silencing check valve, which comprises a check valve body, wherein the top end of the check valve body is fixedly connected with a connecting plate, the bottom end of the check valve body is fixedly connected with a flange plate, the outer surface of the check valve body is fixedly communicated with a drain pipe, and the outer surface of the check valve body is fixedly communicated with a water inlet pipe. This device passes through the cooperation of ring flange and mounting hole, play the effect of installing and fixing the check valve body, and communicate inlet tube and drain pipe and pipeline, through the cooperation of seal groove and sealing washer, reach the purpose of sealing up ring flange gap department, prevent that the phenomenon that leaks from appearing in the check valve body, through the mutually supporting of pivoted bull stick, case and sealing ring, play the effect of sealing up the gap department of case and check valve body, improved the sealed effect of case, thereby effectually solved not have the function of sealing up the case, the phenomenon that leads to the case to appear the seepage easily.

Description

Novel noise elimination formula check valve

Technical Field

The utility model relates to the technical field of noise elimination check valves, in particular to a novel noise elimination check valve.

Background

The silencing check valve is a valve which can automatically open and close a valve clack by means of medium flowing, is also called a check valve, a one-way valve, a silencing check valve back-flow valve and a back pressure valve, and belongs to an automatic valve, the check valve mainly aims at preventing medium from flowing back, preventing a pump and a driving motor from reversing, and discharging a container medium, the check valve can also be used for supplying a pipeline for an auxiliary system in which the pressure possibly rises to exceed the system pressure, the check valve mainly can be divided into a swing check valve (rotating according to the gravity center) and a lifting check valve (moving along the axis), the silencing check valve mainly aims at preventing the reverse flow and only allowing the medium to flow in one direction, and normally, the valve is automatically operated under the action of the fluid pressure flowing in one direction, and when the fluid flows in the reverse direction, the valve clack acts on a valve seat by the self-gravity of the fluid pressure and the valve clack, so that the flow is cut off, and the valve clack is not suitable for the medium containing solid particles and high in viscosity.

The utility model relates to a novel silencing check valve, which comprises a check valve body, a water inlet channel and a water outlet channel which are arranged in the check valve body, a water inlet valve seat which is detachably arranged on the check valve body and is positioned at the position of the water inlet channel, a water outlet valve seat which is detachably arranged on the check valve body and is positioned at the position of the water outlet channel, a valve rod which is detachably arranged between the water inlet valve seat and the water outlet valve seat, and a valve clack which is slidably arranged on the valve rod and is used for being matched with the water inlet valve seat to prevent fluid from flowing back when fluid is intercepted, wherein the valve clack does not have the function of sealing a valve core, so that the valve core is easy to leak, and the use effect of the novel silencing check valve is reduced.

Disclosure of utility model

The utility model aims to provide a novel silencing check valve for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a novel noise elimination formula check valve, includes the check valve body, the top fixedly connected with connecting plate of check valve body, the bottom fixedly connected with ring flange of check valve body, the fixed surface intercommunication of check valve body has the drain pipe, the fixed surface intercommunication of check valve body has the inlet tube, the last fixed surface of connecting plate installs the fixed plate, the last fixed surface of connecting plate is connected with the guard ring, the last fixed surface of fixed plate is connected with the screw thread seal cover, the inner circle threaded connection of screw thread seal cover has the bull stick, the inside wall fixedly connected with spacing ring of check valve body, the inside of check valve body is equipped with the case, the fixed surface of case is inlayed and is had the bearing, and the bottom and the bearing fixed connection of bull stick, the surface of case contacts with the inside wall of check valve body.

In a further embodiment, the outer surface of the check valve body is fixedly connected with two reinforcing rings, and one side surface of the two reinforcing rings, which is far away from each other, is fixedly connected with the bottom surface of the connecting plate and the upper surface of the flange plate respectively.

In a further embodiment, the upper surface of the flange plate is provided with mounting holes in annular arrangement, and an inner ring of each mounting hole is provided with threads.

In a further embodiment, a sealing groove is formed in the bottom surface of the flange plate, and a sealing ring is fixedly connected to the inner side wall of the sealing groove.

In a further embodiment, the upper surface of the limiting ring is fixedly connected with a connecting ring, and the outer surface of the connecting ring is fixedly connected with the inner side wall of the check valve body.

In a further embodiment, the upper surface of the valve core and the bottom surface of the valve core are fixedly connected with sealing rings, and the outer surface of each sealing ring is fixedly connected with the inner side wall of the check valve body.

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

This device passes through the cooperation of ring flange and mounting hole, play the effect of installing and fixing the check valve body, and communicate inlet tube and drain pipe and pipeline, through the cooperation of seal groove and sealing washer, reach the purpose of sealing up ring flange gap department, prevent that the phenomenon that leaks from appearing in the check valve body, through the mutually supporting of pivoted bull stick, case and sealing ring, play the effect of sealing up the gap department of case and check valve body, improved the sealed effect of case, thereby effectually solved not have the function of sealing up the case, the phenomenon that leads to the case to appear the seepage easily.

Drawings

Fig. 1 is a schematic perspective view of a check valve body of a novel muffler type check valve.

Fig. 2 is a schematic bottom view of a novel muffler check valve stop return valve body.

Fig. 3 is a schematic top-down view of a novel muffler check valve stop return valve body.

Fig. 4 is a schematic diagram of a front sectional structure of a novel silencing check valve stopping return valve body.

In the figure: 1. a check valve body; 2. a flange plate; 3. a connecting plate; 4. a reinforcing ring; 5. a drain pipe; 6. a water inlet pipe; 7. a mounting hole; 8. a fixing plate; 9. a guard ring; 10. a thread sealing sleeve; 11. a rotating rod; 12. sealing grooves; 13. a seal ring; 14. a valve core; 15. a bearing; 16. a seal ring; 17. a limiting ring; 18. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the utility model, a novel noise elimination type check valve comprises a check valve body 1, wherein a connecting plate 3 is fixedly connected to the top end of the check valve body 1, a flange plate 2 is fixedly connected to the bottom end of the check valve body 1, a drain pipe 5 is fixedly communicated with the outer surface of the check valve body 1, a water inlet pipe 6 is fixedly communicated with the outer surface of the check valve body 1, a fixing plate 8 is fixedly arranged on the upper surface of the connecting plate 3, a protection ring 9 is fixedly connected to the upper surface of the fixing plate 8, a threaded sealing sleeve 10 is fixedly connected to the upper surface of the fixing plate 8, a rotating rod 11 is connected to the inner ring of the threaded sealing sleeve 10 in a threaded manner, a limiting ring 17 is fixedly connected to the inner side wall of the check valve body 1, a valve core 14 is arranged in the check valve body 1, a bearing 15 is fixedly embedded on the upper surface of the valve core 14, the bottom end of the rotating rod 11 is fixedly connected with the bearing 15, and the outer surface of the valve core 14 is contacted with the inner side wall of the check valve body 1.

The surface fixedly connected with two reinforcing rings 4 of check valve body 1, a side that two reinforcing rings 4 kept away from each other respectively with the bottom surface of connecting plate 3 and the last fixed surface of ring flange 2 are connected, through the reinforcing ring 4 that is equipped with, be convenient for consolidate ring flange 2 and connecting plate 3, annular arrangement's mounting hole 7 has been seted up to the upper surface of ring flange 2, the screw thread has all been seted up to the inner circle of every mounting hole 7, through the mounting hole 7 that is equipped with, be convenient for install check valve body 1, seal groove 12 has been seted up to the bottom surface of ring flange 2, seal groove 12's inside wall fixedly connected with sealing washer 13, through the sealing washer 13 that is equipped with, be convenient for seal flange 2 installation department.

The upper surface fixedly connected with go-between 18 of spacing ring 17, the surface of go-between 18 and the inside wall fixed connection of check valve body 1, through the go-between 18 that is equipped with, be convenient for consolidate spacing ring 17, the equal fixedly connected with sealing ring 16 of the upper surface of case 14 and the bottom surface of case 14, the surface of every sealing ring 16 all with the inside wall fixed connection of check valve body 1, through the sealing ring 16 that is equipped with, be convenient for seal case 14 to the sealed effect of case 14 has been increased.

The working principle of the utility model is as follows:

When the check valve is used, the check valve body 1 is matched through the mounting hole 7, the check valve body 1 is convenient to mount and fix, the water inlet pipe 6 and the water outlet pipe 5 are communicated with a pipeline, the check valve body 1 is convenient to seal due to the matching of the sealing ring 13 fixedly connected with the inner side wall of the sealing groove 12, the valve core 14 can be driven to move up and down through the rotating rod 11, the joint of the valve core 14 and the check valve body 1 can be sealed by the sealing ring 16, and the work for sealing the water inlet pipe 6 can be relieved when the valve core 14 is positioned along with the movement of the valve core 14 due to the fact that the limiting ring 17 is fixedly connected with the inner side wall of the check valve body 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A novel noise elimination formula check valve, its characterized in that: including check valve body (1), the top fixedly connected with connecting plate (3) of check valve body (1), the bottom fixedly connected with ring flange (2) of check valve body (1), the fixed surface intercommunication of check valve body (1) has drain pipe (5), the fixed surface intercommunication of check valve body (1) has inlet tube (6), the upper surface fixed mounting of connecting plate (3) has fixed plate (8), the upper surface fixedly connected with guard ring (9) of connecting plate (3), the upper surface fixedly connected with screw thread seal cover (10) of fixed plate (8), the inner circle threaded connection of screw thread seal cover (10) has bull stick (11), the inside wall fixedly connected with spacing ring (17) of check valve body (1), the inside of check valve body (1) is equipped with case (14), the upper surface fixed mosaic of case (14) has bearing (15), and the bottom and the bearing (15) fixed connection of bull stick (11), the surface of case (14) contacts with the inside wall of check valve body (1).

2. The novel noise elimination check valve according to claim 1, wherein: the outer surface fixedly connected with two stiffening rings (4) of check valve body (1), two the stiffening rings (4) are kept away from each other one side respectively with the bottom surface of connecting plate (3) and the upper surface fixed connection of ring flange (2).

3. The novel noise elimination check valve according to claim 1, wherein: the upper surface of ring flange (2) has seted up annular arrangement's mounting hole (7), and every the inner circle of mounting hole (7) all sets up the screw thread.

4. The novel noise elimination check valve according to claim 1, wherein: a sealing groove (12) is formed in the bottom surface of the flange plate (2), and a sealing ring (13) is fixedly connected to the inner side wall of the sealing groove (12).

5. The novel noise elimination check valve according to claim 1, wherein: the upper surface of the limiting ring (17) is fixedly connected with a connecting ring (18), and the outer surface of the connecting ring (18) is fixedly connected with the inner side wall of the check valve body (1).

6. The novel noise elimination check valve according to claim 1, wherein: the upper surface of case (14) and the bottom surface of case (14) all fixedly connected with sealing ring (16), the surface of every sealing ring (16) all with the inside wall fixed connection of check valve body (1).