CN214331589U

CN214331589U - Check valve body mechanism for micro-resistance backflow preventer

Info

Publication number: CN214331589U
Application number: CN202120617221.9U
Authority: CN
Inventors: 李洪圆
Original assignee: TONGLING SIND VALVES HEAD FACTORY
Current assignee: TONGLING SIND VALVES HEAD FACTORY
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-01
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a check valve body mechanism for a micro-resistance backflow preventer, which relates to the field of check valves and comprises a main body, a connecting structure and a micro-resistance structure, wherein one end of the main body is connected with an output pipeline, the other end of the main body is connected with an input pipeline, and one end of the output pipeline is provided with a connecting pipeline; wherein, the micro-resistance structure comprises a valve ring positioned on the inner wall of the main body. The utility model discloses a set up the micro resistance structure, through the inside with rivers from input pipeline input to the main part, the inside water conservancy diversion piece that lies in the main part this moment will receive the pressure of rivers, the water conservancy diversion piece will rotate along the locating lever under the effect of turning block, the buckled plate that lies in the middle of the water conservancy diversion piece this moment also will receive pressure, rivers will get into output pipeline to connecting tube through the valve ring this moment, make rivers flow out, when the water conservancy diversion piece no longer receives the pressure of rivers, the water conservancy diversion piece will get back to the normal position under the influence of gravity this moment, reached and reduced the great problem of resistance when the water conservancy diversion piece resets.

Description

Check valve body mechanism for micro-resistance backflow preventer

Technical Field

The utility model relates to a field specifically is a check valve body mechanism for backflow preventer is hindered a little.

Background

The check valve is a valve with a round valve clack as a starting and closing part and acts by self weight and medium pressure to block medium backflow, belongs to the automatic valve class, and is also called a check valve, a one-way valve, a backflow valve or an isolation valve.

General check valve common use pumping device's bottom valve for prevent the backward flow of water, play the effect of safety isolation, but the check valve generally adopts bolted connection with being connected of pipeline, and the structure is complicated, is difficult for aiming at, is not convenient for maintain the check valve maintenance, and when general check valve closed the water deflector, has the big shortcoming of resistance, consequently the utility model provides a hinder check valve body mechanism for backflow preventer a little.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the check valve is not convenient to mount, dismount and maintain, a check valve body mechanism for a micro-resistance backflow preventer is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve body mechanism for a micro-resistance backflow preventer comprises a main body, a connecting structure and a micro-resistance structure, wherein one end of the main body is connected with an output pipeline, the other end of the main body is connected with an input pipeline, and one end of the output pipeline is provided with a connecting pipeline;

the micro-resistance structure comprises a valve ring located on the inner wall of the main body, a flow deflector is arranged on the inner wall of the valve ring, a rotating block is arranged at one end of the flow deflector, a positioning rod is arranged on the inner wall of the rotating block, and a corrugated plate is connected to the center position of the flow deflector.

As a further aspect of the present invention: the connecting structure comprises a clamping block located on the outer wall of the connecting pipeline, the connecting structure further comprises a connecting rod located on the inner wall of the output pipeline, the connecting structure further comprises a positioning groove located inside an output port of the output pipeline, one end of the connecting rod is connected with a sleeve, the inner wall of the sleeve is provided with a spring, and one end of the spring is connected with a pressing plate.

As a further aspect of the present invention: one end of the positioning groove is located in the output pipeline, a groove matched with the moving track of the clamping block is formed in the output pipeline, and a sealing ring is arranged at the position where the connecting pipeline is in contact with the output pipeline.

As a further aspect of the present invention: the inner wall of the connecting pipeline is provided with a supporting rod matched with the inner wall of the sleeve, and the inner wall of the sleeve is matched with the outer wall of the pressing plate.

As a further aspect of the present invention: the number of the micro-resistance structures is provided with a plurality of micro-resistance structures which are uniformly distributed in the main body, and the main body is in a vertically upward state.

As a further aspect of the present invention: the inner wall of the valve ring is provided with a groove matched with the outer wall of the positioning rod, and the inner wall of the rotating block is matched with the outer wall of the positioning rod.

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

1. through the arrangement of the connecting structure, the output pipeline is connected with the connecting pipeline, so that the fixture block positioned on the outer wall of the connecting pipeline enters the inner wall of the positioning groove matched with the outer wall of the connecting pipeline, the abutting rod positioned on the inner wall of the connecting pipeline is also contacted with the pressing plate at the moment, pressure is applied to the pressing plate, the pressing plate moves along the inner wall of the sleeve under external pressure, spring pressure is applied at the same time, and then the connecting pipeline is rotated, so that the fixture block positioned on the outer wall of the connecting pipeline rotates along the groove matched with the rotating track of the fixture block, the connecting pipeline is quickly connected with the output pipeline, and the purpose of quickly connecting and disassembling the main body and the connecting pipeline is achieved;

2. through setting up the micro resistance structure, through the inside with rivers from input pipeline input to the main part, the inside water conservancy diversion piece that is located the main part this moment will receive the pressure of rivers, the water conservancy diversion piece will rotate along the locating lever under the effect of turning block, the buckled plate that is located in the middle of the water conservancy diversion piece this moment also will receive pressure, rivers will get into output pipeline to connecting tube through the valve ring this moment, make rivers flow out, when the water conservancy diversion piece no longer receives the pressure of rivers, the water conservancy diversion piece will get back to the normal position under the influence of gravity this moment, reached and reduced the great problem of resistance when the water conservancy diversion piece resets.

Drawings

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

fig. 2 is a schematic structural view of the connection structure of the present invention;

fig. 3 shows the micro-resistance structure of the present invention.

In the figure: 1. a main body; 2. an output pipe; 3. an input pipe; 4. connecting a pipeline; 5. a connecting structure; 501. a connecting rod; 502. a sleeve; 503. a spring; 504. a pressing plate; 505. positioning a groove; 506. a clamping block; 6. a micro-resistive structure; 601. a valve ring; 602. a flow deflector; 603. rotating the block; 604. positioning a rod; 605. a corrugated plate.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" 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. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, in an embodiment of the present invention, a check valve body mechanism for a micro-resistance backflow preventer includes a main body 1, a connecting structure 5, and a micro-resistance structure 6, wherein one end of the main body 1 is connected to an output pipeline 2, the other end of the main body 1 is connected to an input pipeline 3, and one end of the output pipeline 2 is provided with a connecting pipeline 4;

the micro-resistance structure 6 comprises a valve ring 601 located on the inner wall of the main body 1, a flow deflector 602 is arranged on the inner wall of the valve ring 601, a rotating block 603 is arranged at one end of the flow deflector 602, a positioning rod 604 is arranged on the inner wall of the rotating block 603, and a corrugated plate 605 is connected to the center of the flow deflector 602.

Please refer to fig. 2, the connection structure 5 includes a fixture block 506 located on the outer wall of the connection pipe 4, the connection structure 5 further includes a connecting rod 501 located on the inner wall of the output pipe 2, the connection structure 5 further includes a positioning groove 505 located inside the output port of the output pipe 2, one end of the connecting rod 501 is connected to a sleeve 502, the inner wall of the sleeve 502 is provided with a spring 503, one end of the spring 503 is connected to a pressing plate 504, and the main body 1 can be rapidly connected to the connection pipe 4 through the output pipe 2 by the structure.

Please refer to fig. 2, one end of the positioning groove 505 located inside the output pipe 2 is provided with a groove matching with the moving track of the fixture block 506, and the position where the connecting pipe 4 contacts with the output pipe 2 is provided with a sealing ring, so that the fixture block 506 located on the outer wall of the connecting pipe 4 will enter the inner wall of the positioning groove 505 matching with the outer wall by butting the connecting pipe 4 and the output pipe 2.

Please refer to fig. 2, the inner wall of the connecting pipe 4 is provided with a pressing rod matching with the inner wall of the sleeve 502, the inner wall of the sleeve 502 is matched with the outer wall of the pressing plate 504, and by this structure, when the connecting pipe 4 enters the inner wall of the output pipe 2, the pressing rod on the inner wall of the connecting pipe 4 will contact with the pressing plate 504 to apply pressure to the pressing plate 504, and the pressing plate 504 will move along the inner wall of the sleeve 502 under the external pressure and apply pressure to the spring 503.

Please refer to fig. 1 and fig. 3, wherein a plurality of micro-resistance structures 6 are uniformly distributed inside the main body 1, the main body 1 is in a vertical upward state, by means of the structure, water flow can be input into the main body 1 from the input pipeline 3, the flow deflector 602 located inside the main body 1 is subjected to the pressure of the water flow, the flow deflector 602 rotates along the positioning rod 604 under the action of the rotating block 603, the corrugated plate 605 located in the middle of the flow deflector 602 is also subjected to the pressure, at this time, the water flow enters the output pipeline 2 to the connecting pipeline 4 through the valve ring 601, the water flow flows out, and when the flow deflector 602 is no longer subjected to the pressure of the water flow, the flow deflector 602 returns to the original position under the influence of gravity, and the water flow is prevented from flowing back.

Please refer to fig. 3, the inner wall of the valve ring 601 is provided with a groove matching with the outer wall of the positioning rod 604, and the inner wall of the rotating block 603 is matched with the outer wall of the positioning rod 604, so that the structure can be used. The rotating block 603 can rotate along the positioning rod 604

The utility model discloses a theory of operation is: when the device is used, the output pipeline 2 is connected with the connecting pipeline 4, the fixture block 506 positioned on the outer wall of the connecting pipeline 4 enters the inner wall of the positioning groove 505 matched with the outer wall of the connecting pipeline 4, the support rod positioned on the inner wall of the connecting pipeline 4 is also contacted with the pressing plate 504 to provide pressure for the pressing plate 504, the pressing plate 504 moves along the inner wall of the sleeve 502 under the external pressure, meanwhile, the spring 503 is provided with pressure, then the connecting pipeline 4 is rotated, the fixture block 506 positioned on the outer wall of the connecting pipeline 4 rotates along the groove matched with the rotating track of the fixture block, so that the connecting pipeline 4 is quickly connected with the output pipeline 2, water flow is input into the main body 1 from the input pipeline 3, the deflector 602 positioned in the main body 1 is subjected to the pressure of the water flow at the moment, the deflector 602 rotates along the positioning rod under the action of the rotating block 603, and the corrugated plate 605 positioned in the middle of the deflector 602 is also subjected to the pressure at the moment, at this time, the water flow enters the output pipeline 2 to the connecting pipeline 4 through the valve ring 601, so that the water flow flows out, and when the guide vane 602 is no longer under the pressure of the water flow, the guide vane 602 returns to the original position under the influence of gravity.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A check valve body mechanism for a micro-resistance backflow preventer comprises a main body (1), a connecting structure (5) and a micro-resistance structure (6), and is characterized in that one end of the main body (1) is connected with an output pipeline (2), the other end of the main body (1) is connected with an input pipeline (3), and one end of the output pipeline (2) is provided with a connecting pipeline (4);

the micro-resistance structure (6) comprises a valve ring (601) located on the inner wall of the main body (1), a flow deflector (602) is arranged on the inner wall of the valve ring (601), a rotating block (603) is arranged at one end of the flow deflector (602), a positioning rod (604) is arranged on the inner wall of the rotating block (603), and a corrugated plate (605) is connected to the center of the flow deflector (602).

2. The check valve body mechanism of claim 1, wherein the connecting structure (5) comprises a clamping block (506) located on the outer wall of the connecting pipe (4), the connecting structure (5) further comprises a connecting rod (501) located on the inner wall of the output pipe (2), the connecting structure (5) further comprises a positioning groove (505) located inside the output port of the output pipe (2), one end of the connecting rod (501) is connected with a sleeve (502), the inner wall of the sleeve (502) is provided with a spring (503), and one end of the spring (503) is connected with a pressing plate (504).

3. The valve body mechanism of the check valve for the micro resistance backflow preventer according to claim 2, wherein one end of the positioning groove (505) is provided with a groove matching with the moving track of the clamping block (506) inside the output pipeline (2), and a sealing ring is provided at the position where the connecting pipeline (4) contacts with the output pipeline (2).

4. The valve body mechanism of the check valve for the micro resistance backflow preventer as claimed in claim 2, wherein the inner wall of the connecting pipeline (4) is provided with a support rod matched with the inner wall of the sleeve (502), and the inner wall of the sleeve (502) is matched with the outer wall of the pressing plate (504).

5. The check valve body mechanism for the micro resistance backflow preventer according to claim 1, wherein the number of the micro resistance structures (6) is provided with a plurality, the plurality of micro resistance structures (6) are uniformly distributed in the main body (1), and the main body (1) is in a vertically upward state.

6. The valve body mechanism of the check valve for the micro resistance backflow preventer as claimed in claim 1, wherein the inner wall of the valve ring (601) is provided with a groove matched with the outer wall of the positioning rod (604), and the inner wall of the rotating block (603) is matched with the outer wall of the positioning rod (604).