CN220102206U

CN220102206U - Novel inclined check valve

Info

Publication number: CN220102206U
Application number: CN202321284447.7U
Authority: CN
Inventors: 陈思良; 张书恩; 谢洪文; 陈文恭; 曹文啟
Original assignee: Huhang Technology Group Co ltd
Current assignee: Huhang Technology Group Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-11-28
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a novel inclined check valve, which comprises a first valve body, wherein a first mounting plate is arranged on one side of the first valve body. According to the utility model, the first valve body, the first mounting plate, the second mounting plate and the second valve body are arranged and are used for forming a complete check valve cavity, the connecting disc is arranged and is convenient for connecting the check valve with an external pipeline, the high sealing mechanism is arranged and is used for increasing the sealing performance of the joint of the check valve and the external pipeline, leakage is avoided in the long-time use process, the inner pipe is arranged and is inserted into the inner cavity of the external pipeline, the sealing performance is further improved, the inner anti-corrosion layer is arranged and is used for improving the anti-corrosion capability of the inner wall of the check valve, the inner wall of the check valve is prevented from being corroded by liquid medium flowing through the inner anti-corrosion layer, the reinforcing layer is arranged and is used for increasing the use strength of the check valve, and the outer anti-corrosion layer is arranged and is used for preventing substances with corrosion properties from corroding the surface of the check valve.

Description

Novel inclined check valve

Technical Field

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

Background

The check valve is a valve with a circular valve clack and used for blocking the backflow of medium by the action of self weight and medium pressure, and belongs to automatic valves, which are also called check valve, one-way valve, reflux valve or isolation valve.

As disclosed, the utility model provides an inclined butterfly slow-closing check valve, the patent number is

CN201220118170.6, the sealing surface of the valve plate of this patent is surfacing high-quality stainless steel and has short sealing length, small friction, long service life, good corrosion resistance and no pollution, but the junction of this patent and the pipeline is not provided with a corresponding sealing structure, so that the junction of this patent and the pipeline is easy to be corroded and leaked in the long-term use process, therefore, the utility model aims to improve the sealing property of the junction of this patent and the pipeline through the sealing structure.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide a novel inclined check valve, which realizes the purpose of good sealing performance and solves the problem that the joint of the conventional inclined butterfly slow-closing check valve and a pipeline is not provided with a corresponding sealing structure, so that the joint of the butterfly slow-closing check valve and the pipeline is easy to be corroded and leaked in a long-term use process.

(II) technical scheme

The novel inclined check valve comprises a first valve body, wherein a first mounting plate is arranged on one side of the first valve body, a second mounting plate is arranged on one side, away from the first valve body, of the first mounting plate, a second valve body is arranged on one side, away from the first mounting plate, of the second mounting plate, connecting discs are arranged on the opposite sides of the first valve body and the second valve body, high sealing mechanisms are arranged on the opposite sides of the connecting discs, inner pipes are arranged in inner cavities of the connecting discs, the first valve body and the second valve body are identical in material, the first valve body comprises a base layer, an inner corrosion-resistant layer is arranged on the inner surface of the base layer, a reinforcing layer is arranged on the outer surface of the base layer, and an outer corrosion-resistant layer is arranged on the outer surface of the reinforcing layer.

As the preferred scheme, high sealing mechanism includes the activity pad, the opposite side of activity pad all is provided with sealed pad, the recess is all seted up to the opposite side of connection pad, the spacing groove is seted up to one side of recess inner chamber, the inner chamber of spacing groove is provided with first spring, the one end fixedly connected with fly leaf of first spring, one side fixedly connected with buffer rod of first spring is kept away from to the fly leaf, the equal fixedly connected with blotter in top and the bottom of the opposite side of activity pad, the one end and the fixed surface of blotter of buffer rod are connected, the equal fixedly connected with second spring in top and the bottom of recess inner chamber one side, the fixed surface of one end and activity pad of second spring is connected, the mounting hole has been seted up on the surface of connection pad.

As a preferable scheme, an inner cavity of the mounting hole is provided with a locking sleeve, and the inner wall of the locking sleeve is provided with anti-slip particles.

As a preferable scheme, one side of the inner cavity of the groove is provided with a first limiting pad, and one side of the movable pad is provided with a second limiting pad.

Preferably, the surface of the second mounting plate is in threaded connection with a screw, and one end of the screw penetrates through the inner cavity of the first mounting plate.

Preferably, the base layer is made of forged steel, and the inner anti-corrosion layer is made of hard chromium plating.

As a preferable scheme, the material of the reinforcing layer is a manganese steel layer, and the material of the outer corrosion-resistant layer is an aluminum tripolyphosphate layer.

(III) beneficial effects

Compared with the prior art, the utility model provides the novel inclined check valve, which has the following beneficial effects.

1. According to the utility model, the first valve body, the first mounting plate, the second mounting plate and the second valve body are arranged and are used for forming a complete check valve cavity, the connecting disc is arranged and is convenient for connecting the check valve with an external pipeline, the high sealing mechanism is arranged and is used for increasing the sealing performance of the joint of the check valve and the external pipeline, leakage is avoided in the long-time use process, the inner pipe is arranged and is inserted into the inner cavity of the external pipeline, the sealing performance is further improved, the inner anti-corrosion layer is arranged and is used for improving the anti-corrosion capability of the inner wall of the check valve, the inner wall of the check valve is prevented from being corroded by liquid medium flowing through the inner anti-corrosion layer, the reinforcing layer is arranged and is used for increasing the use strength of the check valve, and the outer anti-corrosion layer is arranged and is used for preventing substances with corrosion properties from corroding the surface of the check valve.

2. According to the utility model, the movable pad, the sealing pad, the groove, the limiting groove, the first spring, the movable piece, the buffer rod, the buffer pad, the second spring and the mounting hole are arranged, so that the tightness of the joint of the check valve and an external pipeline is improved, leakage is avoided in the long-time use process, the anti-loosening sleeve is arranged, the friction force of the inner cavity of the mounting hole is increased, the stability of the mounting bolt in the inner cavity of the mounting hole is further improved, the first limiting pad and the second limiting pad are arranged, one sides of the movable pad and the inner cavity of the groove are limited, and the first mounting plate and the second mounting plate are connected together by arranging the screw.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a first valve body of the present utility model;

fig. 4 is an enlarged partial schematic view of fig. 2 a in accordance with the present utility model.

In the figure: 1. a first valve body; 2. a first mounting plate; 3. a second mounting plate; 4. a second valve body; 5. a connecting disc; 6. a high sealing mechanism; 7. an inner tube; 101. a base layer; 102. an inner corrosion resistant layer; 103. a reinforcing layer; 104. an outer corrosion resistant layer; 601. a movable pad; 602. a sealing gasket; 603. a groove; 604. a limit groove; 605. a first spring; 606. a movable plate; 607. a buffer rod; 608. a cushion pad; 609. a second spring; 610. a mounting hole; 8. a locking sleeve; 9. a first limit pad; 10. and the second limiting pad.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model: the utility model provides a novel inclined check valve, including first valve body 1, one side of first valve body 1 is provided with first mounting panel 2, one side that first mounting panel 2 kept away from first valve body 1 is provided with second mounting panel 3, one side that first mounting panel 2 was kept away from to second mounting panel 3 is provided with second valve body 4, one side opposite to first valve body 1 and second valve body 4 all is provided with connection pad 5, connection pad 5 opposite side all is provided with high sealing mechanism 6, the inner chamber of connection pad 5 is provided with inner tube 7, the material of first valve body 1 and second valve body 4 is the same, first valve body 1 includes basic unit 101, basic unit 101's internal surface is provided with interior corrosion resistant layer 102, basic unit 101's surface is provided with enhancement layer 103, enhancement layer 103's surface is provided with outer corrosion resistant layer 104.

The high sealing mechanism 6 comprises a movable pad 601, a sealing pad 602 is arranged on the opposite side of the movable pad 601, a groove 603 is formed in the opposite side of the connecting disc 5, a limit groove 604 is formed in one side of the inner cavity of the groove 603, a first spring 605 is arranged in the inner cavity of the limit groove 604, one end of the first spring 605 is fixedly connected with a movable piece 606, one side of the movable piece 606, far away from the first spring 605, is fixedly connected with a buffer rod 607, the top and the bottom of the opposite side of the movable pad 601 are fixedly connected with a buffer pad 608, one end of the buffer rod 607 is fixedly connected with the surface of the buffer pad 608, a second spring 609 is fixedly connected with the top and the bottom of one side of the inner cavity of the groove 603, one end of the second spring 609 is fixedly connected with the surface of the movable pad 601, and a mounting hole 610 is formed in the surface of the connecting disc 5.

Through above-mentioned technical scheme, through setting up activity pad 601, sealed pad 602, recess 603, spacing groove 604, first spring 605, fly leaf 606, buffer rod 607, blotter 608, second spring 609 and mounting hole 610 for increase the leakproofness of check valve and outside pipeline junction, avoid appearing the seepage in the long-time use.

The inner cavity of the mounting hole 610 is provided with a locking sleeve 8, and the inner wall of the locking sleeve 8 is provided with anti-slip particles.

Through above-mentioned technical scheme, through setting up locking cover 8 for increase the frictional force of mounting hole 610 inner chamber, further increase the stability of mounting bolt in the mounting hole 610 inner chamber.

A first limit pad 9 is arranged on one side of the inner cavity of the groove 603, and a second limit pad 10 is arranged on one side of the movable pad 601.

Through above-mentioned technical scheme, through setting up first spacing pad 9 and second spacing pad 10 for spacing one side to movable pad 601 and recess 603 inner chamber.

The surface threaded connection of second mounting panel 3 has the screw, and one end of screw runs through to the inner chamber of first mounting panel 2.

Through above-mentioned technical scheme, through setting up the screw for link together first mounting panel 2 and second mounting panel 3.

The base layer 101 is made of forged steel, and the inner corrosion-resistant layer 102 is made of hard chromium plating.

Through the technical scheme, the inner anti-corrosion layer 102 is arranged and used for improving the anti-corrosion capacity of the inner wall of the check valve and avoiding the inner wall of the check valve from being corroded by the liquid medium flowing through the inner wall.

The reinforcing layer 103 is made of a manganese steel layer, and the outer corrosion-resistant layer 104 is made of an aluminum tripolyphosphate layer.

Through above-mentioned technical scheme, through setting up enhancement layer 103 for increase the service strength of check valve, through setting up outer corrosion resistant layer 104, avoid the outside to have the material of corroding the surface of check valve.

The check valve mounting personnel enable a mounting disc at one end of an external pipeline to be close to a connecting disc 5 at one side of the check valve, enable the mounting disc at one side of the pipeline to extrude a movable pad 601, extrude the movable pad 601 into an inner cavity of a groove 603, enable the movable pad 601 to extrude a second spring 609 and drive a buffer rod 607 to move, enable the buffer rod 607 to extrude a first spring 605, enable the second spring 609 to reversely provide resistance to the movable pad 601, enable the first spring 605 to reversely provide resistance to the movable pad 601 through the buffer rod 607, enable a mounting bolt to be inserted into the inner cavity of a mounting hole 610, enable a nut to be screwed into one end of the mounting bolt, and enable the mounting disc of the external pipeline and the connecting disc 5 of the check valve to be fastened together.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. Novel inclined check valve, including first valve body (1), its characterized in that: one side of first valve body (1) is provided with first mounting panel (2), one side that first valve body (1) was kept away from to first mounting panel (2) is provided with second mounting panel (3), one side that first mounting panel (2) was kept away from to second mounting panel (3) is provided with second valve body (4), one side opposite to first valve body (1) and second valve body (4) all is provided with connection pad (5), one side opposite to connection pad (5) all is provided with high sealing mechanism (6), the inner chamber of connection pad (5) is provided with inner tube (7), the material of first valve body (1) and second valve body (4) is the same, first valve body (1) is including basic unit (101), the internal surface of basic unit (101) is provided with interior corrosion resistant layer (102), the surface of basic unit (101) is provided with enhancement layer (103), the surface of enhancement layer (103) is provided with outer corrosion resistant layer (104).

2. The novel inclined check valve according to claim 1, wherein: high sealing mechanism (6) are including activity pad (601), all be provided with sealed pad (602) in one side that activity pad (601) is opposite, recess (603) have all been seted up in one side of connection pad (5) opposite, spacing groove (604) have been seted up to one side of recess (603) inner chamber, the inner chamber of spacing groove (604) is provided with first spring (605), one end fixedly connected with fly leaf (606) of first spring (605), one side fixedly connected with buffer rod (607) of first spring (605) are kept away from to fly leaf (606), the equal fixedly connected with blotter (608) in top and the bottom of the opposite side of activity pad (601), the one end and the fixed surface of blotter (608) of buffer rod (607), the equal fixedly connected with second spring (609) in top and the bottom of recess (603) inner chamber one side, mounting hole (610) have been seted up on the surface of connection pad (5).

3. The novel inclined check valve according to claim 2, wherein: an inner cavity of the mounting hole (610) is provided with a locking sleeve (8), and the inner wall of the locking sleeve (8) is provided with anti-slip particles.

4. The novel inclined check valve according to claim 2, wherein: one side of the inner cavity of the groove (603) is provided with a first limiting pad (9), and one side of the movable pad (601) is provided with a second limiting pad (10).

5. The novel inclined check valve according to claim 1, wherein: the surface thread connection of second mounting panel (3) has the screw, and the one end of screw runs through to the inner chamber of first mounting panel (2).

6. The novel inclined check valve according to claim 1, wherein: the base layer (101) is made of forged steel, and the inner anti-corrosion layer (102) is made of hard chromium plating.

7. The novel inclined check valve according to claim 1, wherein: the reinforcing layer (103) is made of a manganese steel layer, and the outer anti-corrosion layer (104) is made of an aluminum tripolyphosphate layer.