CN214889077U - Adjustable ball check valve - Google Patents

Abstract

The utility model discloses a ball check valve with adjustable relates to valve technical field. The utility model comprises a check valve body, a check valve core and a check valve cover, wherein a check flow cavity is arranged in the check valve, the check valve cover is fixedly connected on the check valve body in a sealing way, the check valve core is arranged in the check flow cavity, a valve core stop block is arranged on the check valve core, and a supporting block for supporting the valve core stop block is arranged in the check flow cavity; a check valve rod is fixedly connected to the check valve core, a channel is arranged in the check valve cover, a sealing sleeve is connected in the channel, one end of the check valve rod is connected in the sealing sleeve, and an elastic structure is fixedly connected between the check valve rod and the sealing sleeve; the check valve is covered and fixedly connected with a valve cap, and one end of the valve cap is connected with the sealing sleeve. The utility model discloses a position of adjustable sealing boot of valve cap in the passageway to regulating spring is to the pressure of check case, in order to adapt to different water pressures.

Description

Adjustable ball check valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a ball check valve with adjustable.

Background

The check valve is a valve which automatically opens and closes a valve flap by the flow of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium.

Check valve: according to the structural division, the check valve can be divided into a lifting check valve, a swing check valve and a butterfly check valve. The lift check valve can be divided into a vertical type and a straight-through type. The swing check valve is divided into a single-flap type, a double-flap type and a multi-flap type. The butterfly check valves are butterfly double-clack type check valves, butterfly single-clack type check valves, and the connection modes of the butterfly check valves can be divided into four types, namely threaded connection, flange connection, welding and wafer type connection. Currently, there are commercially available check valves that include a check valve body. The existing check valve has low structural strength and the phenomenon that the check valve cannot be automatically opened when the water pressure is low in partial areas.

Disclosure of Invention

An object of the utility model is to provide a ball check valve with adjustable has solved the problem that the lower check valve of current water pressure can't be opened automatically.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an adjustable ball check valve, including non return valve body, non return valve core, non return valve gap, be equipped with the check back flow cavity in the check valve, the non return valve gap is sealed fixed connection in on the non return valve body, the non return valve core is located in the non return cavity, be equipped with the case dog on the non return valve core, be equipped with the supporting shoe that is used for supporting the case dog in the non return cavity; a check valve rod is fixedly connected to the check valve core, a channel is arranged in the check valve cover, a seal sleeve is connected in the channel, one end of the check valve rod is connected in the seal sleeve, and an elastic structure is fixedly connected between the check valve rod and the seal sleeve; the check valve covers a fixed connection valve cap, the one end of valve cap with the seal cover is connected.

Further, the valve cap is in threaded connection with the check valve cover.

Further, the elastic structure is a spring.

The utility model discloses following beneficial effect has:

the utility model discloses a threaded connection valve cap on the check valve lid, through the position of the adjustable sealing cover of valve cap in the passageway to regulating spring is to the pressure of check case, in order to adapt to different water pressures.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-check valve body, 2-check flow cavity, 3-check valve core, 4-check valve rod, 5-valve core stop block, 6-supporting block, 7-check valve cover, 8-valve cap, 9-sealing sleeve, 10-elastic structure and 11-channel.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "channel," "upper," "lower," "thickness," "top," "middle," "one end," "inner," and the like are used in an orientation or positional relationship for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Please refer to fig. 1, the utility model relates to an adjustable ball check valve, including check valve body 1, check valve core 3, check valve cover 7, be equipped with in the check valve 1 and end the backward flow cavity 2, check valve cover 7 is sealed fixed connection above check valve body 1, check valve core 3 is located in ending the backward flow cavity 2, be equipped with case dog 5 on the check valve core 3, be equipped with the supporting shoe 6 that is used for supporting case dog 5 in ending the backward flow cavity 2, thereby strengthen this check valve structural strength, be connected with check valve rod 4 on the check valve core 3 fixedly, be equipped with a passageway 11 in the check valve cover 7, connect a seal cover 9 in the passageway 11, and seal cover 9 can move in the passageway 11, one end of check valve rod 4 is connected in seal cover 9, and be connected with elastic construction 10 between check valve rod 4 and the seal cover 9 fixedly; a valve cap 8 is fixedly connected to the check valve cover 7, one end of the valve cap 8 is connected with a sealing sleeve 9, and the position of the sealing sleeve in the passage 11 can be adjusted through the valve cap 8, so that the elastic force of the elastic structure 10 is changed, and the valve can be opened under the condition of water pressure.

In order to conveniently adjust the valve cap 8, the valve cap 8 is in threaded connection with the check valve cover 7. The resilient structure 10 is a spring.

One specific application of this embodiment is: the utility model discloses a be equipped with supporting shoe 6 in non return flow cavity 2 and support non return case 3, increased the intensity of this check valve, and through rotating 8 adjustable seal cover 9 of valve cap in passageway 11 internal positions to regulating spring 10 is to the elasticity of non return case 3, makes water pressure when less, also can open non return case 3.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The utility model provides a ball check valve with adjustable, includes check valve body (1), check case (3), check valve gap (7), be equipped with in check valve body (1) and end backward flow cavity (2), its characterized in that:

the check valve cover (7) is fixedly connected to the check valve body (1) in a sealing manner, the check valve core (3) is arranged in the check flow cavity (2), a valve core stop block (5) is arranged on the check valve core (3), and a supporting block (6) for supporting the valve core stop block (5) is arranged in the check flow cavity (2);

a check valve rod (4) is fixedly connected to the check valve core (3), a channel (11) is arranged in the check valve cover (7), a sealing sleeve (9) is connected in the channel (11), one end of the check valve rod (4) is connected in the sealing sleeve (9), and an elastic structure (10) is fixedly connected between the check valve rod (4) and the sealing sleeve (9);

a fixed connection valve cap (8) is gone up in non return valve lid (7), the one end of valve cap (8) with seal cover (9) are connected.

2. The adjustable ball check valve as set forth in claim 1, wherein: valve cap (8) with check valve lid (7) threaded connection.

3. The adjustable ball check valve as set forth in claim 1, wherein: the elastic structure (10) is a spring.

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