CN214699345U

CN214699345U - Pressure-loss-avoiding clapper valve and damping pipeline system

Info

Publication number: CN214699345U
Application number: CN202120635603.4U
Authority: CN
Inventors: 孟赛娜
Original assignee: Qingdao Pumid Electromechanical Equipment Co ltd
Current assignee: Qingdao Pumid Electromechanical Equipment Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-12
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to the field of pump valve structures and systems, in particular to a pressure-loss-avoiding clapper valve and a damping pipeline system, wherein the clapper valve comprises a valve body, a water inlet, a water outlet, a cover plate and a baffle plate, the water inlet and the water outlet are integrally formed on the valve body along the orthogonal direction, and the cover plate is perpendicular to the plane where the water inlet and the water outlet are positioned and forms an acute angle with the directions of the water inlet and the water outlet respectively; a rotating shaft is hinged at the joint of the water inlet and the valve body, a baffle and a handle are fixedly connected to the rotating shaft, and the baffle closes the water inlet and can rotate towards the direction close to the cover plate; shock attenuation pipe-line system, including above-mentioned bat board valve, pipeline and flexible damping device, flexible damping device connects between water inlet and outlet and pipeline. The utility model discloses effectively reduce the pressure loss that rivers produced when the valve body is inside, the energy saving consumes, reduces simultaneously and claps the vibrations that the plate valve received in the system, promotes valve body working property and life.

Description

Pressure-loss-avoiding clapper valve and damping pipeline system

Technical Field

The utility model belongs to the technical field of pump valve structure and system and specifically relates to an avoid clapper valve and shock attenuation pipe-line system of pressure loss.

Background

The existing check valve usually has the pressure loss problem, when the check valve is used in a high-pressure water pump system, the check valve can cause large pressure loss and unnecessary energy waste, and the pump lift can be reduced when the pressure loss is too high. Meanwhile, the high-pressure large-lift water pump system has large vibration, so that the working performance and the service life of the valve body can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a clapper valve and shock attenuation pipe-line system of avoiding the pressure loss is provided, the technical scheme of its adoption as follows:

a flap valve for avoiding pressure loss comprises a valve body, a water inlet, a water outlet, a cover plate and a baffle plate, wherein the water inlet and the water outlet are integrally formed on the valve body along the orthogonal direction; the water inlet is articulated with the rotation axis with the valve body junction, fixed connection baffle and handle on the rotation axis, connect extension spring between handle and the frame, the baffle seals the water inlet and can rotates to the direction that is close to the apron.

On the basis of the scheme, a sealing structure is arranged between the baffle and the water inlet and is fixedly connected with the baffle.

On the basis of the scheme, the sealing structure is a sealing gasket and/or a sealing ring.

Preferably, the water outlet is arranged downwards, and the valve body above the water outlet is in an inverted cone shape.

The utility model also discloses a shock attenuation pipe-line system, clap plate valve, pipeline and flexible damping device including the aforesaid, flexible damping device connects between water inlet and outlet and pipeline.

On the basis of the scheme, the flexible damping device is a flexible flange.

The utility model has the advantages that: through the apron that all inclines to set up with water inlet and outlet, the pressure loss that produces when effectively reducing rivers through the valve body is inside saves the energy consumption, reduces the vibrations of clapping the board valve and receiving in the system through flexible damping device simultaneously, promotes valve body working property and life.

Drawings

FIG. 1: the utility model has a schematic structure;

FIG. 2: the utility model is a schematic view structure;

FIG. 3: the utility model discloses inner structure cross-sectional view.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, a flapper valve for preventing pressure loss includes a valve body 70, a water inlet 71, a water outlet 72, a cover plate 73 and a baffle plate 75, the water inlet 71 and the water outlet 72 are integrally formed on the valve body 70 in a direction perpendicular to the plane of the water inlet 71 and the water outlet 72, the cover plate 73 is fixedly connected to the valve body 70, and the cover plate 73 is perpendicular to the plane of the water inlet 71 and the water outlet 72 and forms an acute angle with the direction of the water inlet 71 and the water outlet 72, respectively, thereby forming a structure for reducing pressure loss. The rotating shaft 74 is hinged at the joint of the water inlet 71 and the valve body 70, the baffle 75 and the handle 76 are fixedly connected to the rotating shaft 74, the baffle 75 is controlled to rotate by rotating the handle 76, the extension spring 77 is connected between the handle 76 and the frame, the frame is not shown in the figure, the handle 76 is close to the frame through the extension spring 77, the baffle 75 covers the water inlet 71, the baffle 75 seals the water inlet 71 and can rotate in the direction close to the cover plate 73, the baffle 75 seals the water inlet 71 under the action of the extension spring 77 under the normal condition, the clapper valve is installed at the water outlet position of the pump, and when water enters the water inlet 71, the baffle 75 is turned to the position close to the cover plate 73 through water pressure, so that the water is discharged through the water outlet 72. When water inflow is suspended, the baffle plate 75 closes the water inlet 71 under the action of the extension spring 77 to prevent air from entering, so that the water falling prevention effect is achieved; after the water pump stops operating, the baffle 75 is rotated by rotating the handle 76, so that the water inlet 71 is communicated with the water outlet 72, and the water in the water inlet 71 is discharged. In order to improve the sealing performance of the contact surface between the baffle plate 75 and the water inlet 71, a sealing structure is arranged between the baffle plate 75 and the water inlet 71, the sealing structure and the baffle plate 75 are fixedly connected through a fixing bolt and the like, and the sealing structure is a sealing gasket 78 and/or a sealing ring 79. Preferably, the drain opening 72 is disposed downward, and the valve body 70 above the drain opening 72 has an inverted cone shape, so that the water flow and dirt carried by the water flow can be discharged outward through the drain opening 72, and the dirt deposition in the valve body 70 can be prevented.

The utility model also discloses a shock attenuation pipe-line system, including above-mentioned bat plate valve, pipeline 61 and flexible damping device 62, flexible damping device 62 is connected between water inlet 71 and outlet 72 and pipeline 61, and preferably, flexible damping device 62 is flexible flange. Through adopting flexible damping device 62 to carry out the segmentation with clapper valve and rigid pipeline 61 and keep apart, effectively reduce the influence that pipe-line system's vibrations produced clapper valve.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The clapper valve capable of avoiding pressure loss is characterized by comprising a valve body (70), a water inlet (71), a water outlet (72), a cover plate (73) and a baffle plate (75), wherein the water inlet (71) and the water outlet (72) are integrally formed on the valve body (70) along the orthogonal direction, the cover plate (73) is fixedly connected with the valve body (70), and the cover plate (73) is perpendicular to the plane where the water inlet (71) and the water outlet (72) are located and forms an acute angle with the directions of the water inlet (71) and the water outlet (72) respectively; a rotating shaft (74) is hinged to the joint of the water inlet (71) and the valve body (70), a baffle plate (75) and a handle (76) are fixedly connected to the rotating shaft (74), an extension spring (77) is connected between the handle (76) and the frame, and the baffle plate (75) seals the water inlet (71) and can rotate towards the direction close to the cover plate (73).

2. Pressure loss avoiding flapper valve according to claim 1, characterized in that a sealing structure is provided between the flapper (75) and the water inlet (71), said sealing structure being fixedly connected to the flapper (75).

3. Pressure loss avoiding flapper valve according to claim 2, characterized in that said sealing structure is a sealing gasket (78) and/or a sealing ring (79).

4. Clapper valve avoiding pressure losses according to claim 1, characterized in that the drain opening (72) is arranged downwards and the valve body (70) above the drain opening (72) is in the shape of an inverted cone.

5. A shock absorbing pipe system, characterized in that it comprises a flapper valve according to any one of claims 1 to 4, a pipe (61) and a flexible shock absorbing device (62), said flexible shock absorbing device (62) being connected between the water inlet (71) and outlet (72) and the pipe (61).

6. A shock absorbing pipe system according to claim 5, characterized in that said flexible shock absorbing means (62) is a flexible flange.