CN212672487U

CN212672487U - Built-in anti-leakage butt-clamping double-flap check valve

Info

Publication number: CN212672487U
Application number: CN202021314314.6U
Authority: CN
Inventors: 梁蓓蓓; 龚自来
Original assignee: Xini Nanjing Valve Machinery Co ltd
Current assignee: Xini Nanjing Valve Machinery Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-09
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a built-in outer two lamella check valves of clamp that leak protection, the water-cooled check valve comprises a valve body, the inboard center of valve body transversely is provided with sealed horizontal pole, sealed horizontal pole one side is provided with the sealed piece of gluing, the oblique upside of sealed piece of gluing is provided with the valve plate No. two. Has the advantages that: the utility model discloses a sealed gluey piece that sets up for effectively seal between sealed horizontal pole and the valve plate, it is tight to guarantee to be connected between sealed horizontal pole and the valve plate.

Description

Built-in anti-leakage butt-clamping double-flap check valve

Technical Field

The utility model relates to a valve field, concretely relates to built-in leak-proof butt clamp bivalve check valve.

Background

The oppositely clamped double-flap check valve is used for pure pipelines and industrial, environment-friendly and water treatment pipelines of high-rise buildings, and prevents media from reversely flowing. The check valve adopts a wafer type, the butterfly plate is two semicircles, the butterfly plate is forced to reset by a spring, a sealing surface can be made of a body surfacing wear-resistant material or lining rubber, the use range is wide, and the sealing is reliable.

When the existing check valve is used, an effective sealing device is lacked between the valve plate and the sealing cross rod in the valve body, so that the connection between the sealing cross rod and the valve plate is not tight, and therefore a utility model is needed to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem that when the existing check valve is used, an effective sealing device is lacked between the valve plate and a sealing cross rod in the valve body, so that the sealing cross rod and the valve plate are not tightly connected.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a built-in outer two lamella check valves of clamp that leak protection, which comprises a valve body, the inboard center of valve body transversely is provided with sealed horizontal pole, sealed horizontal pole one side is provided with sealed rubber block, the oblique upside of sealed rubber block is provided with the valve plate No. two, the oblique downside of sealed rubber block is provided with the valve plate No. one, the valve plate with No. two valve plate outer loop side mills and is carved with the gasket groove, the valve body is close to gasket groove position is provided with seal ring.

Furthermore, No. two valve plates are kept away from No. two ring covers are arranged on one side of the sealing rubber block, No. one valve plate is kept away from one side of the sealing rubber block is provided with a ring cover, and a second valve rod is arranged in the ring cover in a penetrating mode.

Through adopting above-mentioned technical scheme, No. two ring covers can make No. two valve plates round No. two valve rods rotate, No. one the ring cover can make No. one the valve plate round No. two valve rods rotate.

Further, No. two springs are worn to be equipped with by one end on the valve rod, No. two springs are worn to be equipped with by No. two valve rod other ends, No. two parallel one sides of valve rod are provided with the valve rod No. one.

Through adopting above-mentioned technical scheme, a spring can make a valve plate round self-closing after No. two valve rods rotate certain angle, No. one the valve rod can be right a spring with the other end of No. two springs is fixed.

Further, bolt holes are drilled in the valve body at equal intervals, sealing grooves are milled and carved in the side walls of the protruding blocks of the two end faces of the valve body, and the valve body is connected with the first valve rod through bolts.

Through adopting above-mentioned technical scheme, the setting up of bolt hole makes the valve body can with pipeline firm in connection, the seal groove can make the pipeline section with sealed the pad between the valve body terminal surface plays best effect, and then guarantees valve body and pipe connection are tight.

Further, the valve body with No. two valve rods pass through bolted connection, a valve plate with No. two valve rods pass through No. one the ring cover is connected, No. two valve plates with No. two valve rods pass through No. two the ring cover is connected.

Through adopting above-mentioned technical scheme, No. two valve rods do No. one the valve plate with No. two the rotation of valve plate provides the support.

Furthermore, a spring with No. two springs cup joint No. two valve rods, sealed horizontal pole with the valve body welding, sealed horizontal pole with the piece is glued to the sealing rubber, seal ring with the valve body block is connected.

Through adopting above-mentioned technical scheme, sealed gluey piece can be so a valve plate with No. two valve plates with connect tightly between the sealed horizontal pole, avoid liquid to reveal.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current check valve when using, lack effective sealing device between the sealed horizontal pole in valve plate and the valve body for be connected not tight problem between sealed horizontal pole and the valve plate, the utility model discloses a sealed gluey piece that sets up for effectively seal between sealed horizontal pole and the valve plate, guarantee to be connected tightly between sealed horizontal pole and the valve plate.

Drawings

FIG. 1 is a three-dimensional view of the internal anti-leaking double check valve of the present invention;

FIG. 2 is a front view of the built-in anti-leaking double-clack check valve of the present invention;

FIG. 3 is a left side sectional view of the internal anti-leaking double check valve of the present invention;

figure 4 is the back view of valve plate No. one and No. two valve plates in built-in anti-leakage butt clamp bivalve check valve.

The reference numerals are explained below:

1. a valve body; 2. bolt holes; 3. a sealing groove; 4. a first valve rod; 5. a first valve plate; 6. a second valve plate; 7. a first spring; 8. a second spring; 9. a second valve stem; 10. sealing the cross bar; 11. a sealing gasket; 12. sealing the rubber block; 13. a second ring sleeve; 14. a first ring sleeve; 15. a gasket groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, the built-in anti-leaking butt-clamping double-flap check valve in this embodiment includes a valve body 1, a sealing cross rod 10 is transversely disposed at the center of the inner side of the valve body 1, a sealing rubber block 12 is disposed on one side of the sealing cross rod 10, a second valve plate 6 is disposed on the oblique upper side of the sealing rubber block 12, a first valve plate 5 is disposed on the oblique lower side of the sealing rubber block 12, gasket grooves 15 are milled and engraved on the outer ring sides of the first valve plate 5 and the second valve plate 6, and a sealing gasket 11 is disposed at a position of the valve body 1 close to the gasket.

No. two valve plates 6 keep away from and are provided with No. two ring covers 13 on one side of sealed gluey piece 12, and No. one valve plate 5 keeps away from sealed gluey piece 12 one side and is provided with No. one ring cover 14, wears to be equipped with No. two valve rods 9 in a ring cover 14 and No. two ring covers 13, and No. two ring covers 13 can make No. two valve plates 6 rotate around No. two valve rods 9, and No. one ring cover 14 can make a valve plate 5 rotate around No. two valve rods 9.

No. two last one ends of valve rod 9 are worn to be equipped with spring 7, and No. two spring 8 are worn to be equipped with by the 9 other ends of valve rod, and No. two valve rod 9 parallel one sides are provided with valve rod 4, and spring 7 can make valve plate 5 rotate self-closing after certain angle round No. two valve rods 9, and valve rod 4 can be fixed spring 7 and No. two spring 8's the other end.

Bolt holes 2 are drilled in the valve body 1 at equal intervals, sealing grooves 3 are milled in the side walls of the protruding blocks of the two end faces of the valve body 1, the valve body 1 is connected with a first valve rod 4 through bolts, the valve body 1 can be firmly connected with a pipeline due to the arrangement of the bolt holes 2, and the sealing grooves 3 can enable a sealing gasket between the section of the pipeline and the end face of the valve body 1 to achieve the best effect, so that the valve body 1 is guaranteed to be tightly connected with the pipeline.

Valve body 1 and No. two valve rods 9 pass through bolted connection, and a valve plate 5 and No. two valve rods 9 are connected through a ring cover 14, and No. two valve plates 6 and No. two valve rods 9 are connected through No. two ring covers 13, and No. two valve rods 9 provide the support for the rotation of a valve plate 5 and No. two valve plates 6.

No. 7 springs and No. 8 springs cup joint on No. two valve rods 9, and sealed horizontal pole 10 and the welding of valve body 1, sealed horizontal pole 10 and sealed gluey piece 12 splice, and seal ring 11 is connected with 1 block of valve body, and sealed gluey piece 12 can be so that be connected tightly between valve plate 5 and No. two valve plates 6 and the sealed horizontal pole 10, avoids liquid to reveal.

The specific implementation process of this embodiment is as follows: when the valve is used, the two ends of the valve body 1 are connected with the pipeline, a sealing gasket is arranged between the pipeline and the valve body 1, the pipeline and the valve body 1 are tightly connected, liquid leakage is avoided, then a bolt penetrates through the bolt hole 2, the valve body 1 is firmly connected with the pipeline, the first valve plate 5 and the second valve plate 6 are pushed away under the action of liquid pressure, the first valve plate 5 and the second valve plate 6 rotate around the second valve rod 9 through the first ring sleeve 14 and the second ring sleeve 13, further, an internal channel of the valve body 1 is opened, when the liquid pressure is lower than the spring force of the first spring 7 and the second spring 8, the first valve plate 5 and the second valve plate 6 rotate around the second valve rod 9 to be closed, the gasket grooves 15 on the first valve plate 5 and the second valve plate 6 can be tightly extruded on the sealing gasket 11, further, the first valve plate 5 and the second valve plate 6 are tightly connected with the inner ring side of the valve body 1, the gap position between valve plate 5 and No. two valve plates 6 is connected with sealed gluey piece 12 on the sealed horizontal pole 10 for 5 No. two valve plates 6 of valve plate are connected tightly with sealed horizontal pole 10 between, avoid producing and reveal.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. Built-in leak-proof butt-clamping double-flap check valve, which is characterized in that: including valve body (1), valve body (1) inboard center transversely is provided with sealed horizontal pole (10), sealed horizontal pole (10) one side is provided with sealed rubber block (12), sealed rubber block (12) upside is provided with No. two valve plates (6) to one side, sealed rubber block (12) downside is provided with valve plate (5) to one side, valve plate (5) with No. two valve plates (6) outer loop side mills and is carved with gasket groove (15), valve body (1) is close to gasket groove (15) position is provided with seal ring (11).

2. The built-in leak-proof double-clack check valve according to claim 1, characterized in that: no. two valve plates (6) are kept away from sealed gluey piece (12) one side is provided with No. two ring cover (13), No. one valve plate (5) are kept away from sealed gluey piece (12) one side is provided with ring cover (14), ring cover (14) with No. two valve rod (9) are worn to be equipped with in the ring cover (13).

3. The built-in leak-proof double-clack check valve according to claim 2, characterized in that: no. two valve rod (9) are gone up one end and are worn to be equipped with spring (7), No. two valve rod (9) other ends are worn to be equipped with spring (8), No. two parallel one side of valve rod (9) are provided with valve rod (4) No. one.

4. The built-in leak-proof double-clack check valve according to claim 3, characterized in that: the valve body (1) equidistant bolt hole (2) that bores is equipped with, it has seal groove (3) to mill on the protruding piece lateral wall of valve body (1) both ends face to be carved with, valve body (1) with valve rod (4) pass through bolted connection.

5. The built-in leak-proof double-clack check valve according to claim 4, characterized in that: valve body (1) with No. two valve rod (9) pass through bolted connection, a valve plate (5) with No. two valve rod (9) pass through ring cover (14) are connected, No. two valve plate (6) with No. two valve rod (9) pass through ring cover (13) are connected No. two.

6. The built-in leak-proof double-clack check valve according to claim 5, characterized in that: spring (7) with No. two spring (8) cup joint No. two valve rod (9) are gone up, sealed horizontal pole (10) with valve body (1) welding, sealed horizontal pole (10) with sealed gluey piece (12) splice, seal ring (11) with valve body (1) block is connected.