CN218152578U

CN218152578U - Check valve convenient to disassemble

Info

Publication number: CN218152578U
Application number: CN202222207811.1U
Authority: CN
Inventors: 丁盛
Original assignee: Wenzhou Hongtai Machinery Manufacturing Co ltd
Current assignee: Wenzhou Hongtai Machinery Manufacturing Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-27
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a convenient check valve of dismantling, including valve body and valve gap, the valve body top is equipped with the lid groove that is used for installing the valve gap, the valve body top just is located lid groove both sides and is equipped with two compact structure that are used for fixed valve gap, two compact structure all includes stand and clamp plate, fixed surface has the uide bushing under the valve gap. The utility model discloses in, be provided with valve body and valve gap, the valve body top is equipped with the lid groove of installation valve gap, and the valve body top is located the compact structure that lid groove both sides are equipped with fixed valve gap, the valve cap bottom is equipped with ejector pin and valve clack, this check valve passes through the flange joint of both sides in the pipeline, when needs are dismantled this check valve and are overhauld or change the sealing washer, can be through rotating compact structure's spanner, make the clamp plate lift up, can dismantle the valve gap from the lid inslot fast this moment, and take the valve clack to pull out together, be favorable to changing the second sealing washer of valve clack bottom, the efficiency of overhaul is improved.

Description

Check valve convenient to disassemble

Technical Field

The utility model relates to a check valve technical field especially relates to a convenient check valve of dismantling.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve clack motion mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the stop valve, only lacks a valve rod for driving the valve clack, medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side), when the inlet pressure is greater than the sum of the weight of the valve clack and flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards.

But the valve gap on current check valve top is through a large amount of bolts and valve body top fixed connection, uses the bolt to rust the lock easily for a long time and dies, and the sealing washer on the valve clack inside the valve body corrodes and needs to be changed, perhaps the valve clack blocks when needing the maintenance, and it is just more troublesome to dismantle the valve gap, consequently the utility model provides a check valve of convenient dismantlement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a check valve convenient to disassemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the check valve convenient to disassemble comprises a valve body and a valve cover, wherein a cover groove used for installing the valve cover is formed in the top end of the valve body, two compression structures used for fixing the valve cover are arranged on two sides of the cover groove and on the top end of the valve body, the two compression structures all comprise a stand column and a pressing plate, a guide sleeve is fixed on the lower surface of the valve cover, an ejector rod is slidably connected into the bottom end of the guide sleeve, a valve clack is fixed at the bottom end of the ejector rod, the guide sleeve, the ejector rod and the valve clack are located inside the valve body, a valve port is formed in the middle of the valve body, and the valve clack is connected into the valve port in a clamped mode.

Further, the bottom wall is equipped with first ring channel in the lid groove, the inside first sealing washer that is equipped with of first ring channel can increase the leakproofness of valve gap and valve body junction through setting up first sealing washer.

Further, the stand passes the clamp plate and with clamp plate sliding connection, the stand bottom is passed through the bearing and is connected with the valve body top rotation, and the stand top is fixed with the roof, the roof middle part is rotated and is connected with the screw rod, and the screw rod bottom is passed through the bearing and is connected with clamp plate upper surface rotation, the screw rod top is equipped with the spanner, passes through the stand with clamp plate and roof and rotates to valve gap one side after, can drive the screw rod through rotating the spanner and descend for the clamp plate can press on the valve gap surface, realizes compressing tightly fixedly to the valve gap, during the dismantlement, can overturn the spanner, dismantles the valve gap fast.

Furthermore, the top end of the ejector rod and the inner top wall of the guide sleeve are fixedly connected with a spring together, and the spring is a soft spring and can help the valve clack to be tightly pressed in the valve port to realize reverse sealing.

Furthermore, a sliding groove is formed in the inner side wall of the guide sleeve, a sliding block is fixed on the side wall of the top end of the ejector rod and is in sliding connection with the sliding groove, and the sliding block and the sliding groove are arranged, so that the ejector rod can be directionally moved up and down, and the ejector rod can move more stably in the guide sleeve.

Furthermore, a second annular groove is formed in the upper surface of the valve port, a second sealing ring is arranged in the second annular groove, and the second sealing ring can improve the sealing property between the valve clack and the valve port.

Furthermore, the two ends of the valve body are both connected with flanges, and the check valve can be connected with a pipeline through the flanges.

The utility model has the advantages that:

the utility model discloses when using, through setting up valve body and valve gap, the valve body top is equipped with the lid groove of installation valve gap, and the valve body top is located lid groove both sides and is equipped with the compact structure of fixed valve gap, the valve cap bottom is equipped with ejector pin and valve clack, this check valve passes through the flange joint of both sides in the pipeline, when needs are dismantled this check valve and are overhauld or change the sealing washer, spanner through rotating compact structure, make the clamp plate lift up, can dismantle the valve gap from the lid inslot fast this moment, and take the valve clack to pull out together, be favorable to changing the second sealing washer of valve clack bottom, the efficiency of overhaul is improved.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is a perspective view of the pressing structure of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

Illustration of the drawings:

1. a valve body; 2. a valve cover; 3. a cover groove; 4. a first annular groove; 5. a first seal ring; 6. a column; 7. a top plate; 8. pressing a plate; 9. a screw; 10. a wrench; 11. a guide sleeve; 12. a spring; 13. a top rod; 14. a valve flap; 15. a valve port; 16. a second annular groove; 17. a second seal ring; 18. a chute; 19. a slider; 20. and (4) a flange.

Detailed Description

As shown in fig. 1-4, a check valve convenient to disassemble is related to, including valve body 1 and valve gap 2, the top of valve body 1 is equipped with cover groove 3 for installing valve gap 2, the top of valve body 1 and the both sides of cover groove 3 are equipped with two hold-down structures for fixing valve gap 2, two hold-down structures all include stand 6 and clamp plate 8, valve gap 2 lower surface is fixed with uide bushing 11, and the inside sliding connection in uide bushing 11 bottom has ejector pin 13, ejector pin 13 bottom mounting has valve clack 14, uide bushing 11, ejector pin 13 and valve clack 14 all are located inside valve body 1, valve body 1 middle part is equipped with valve port 15, and valve clack 14 joint is in valve port 15. Flanges 20 are connected to both ends of the valve body 1, and the check valve can be connected to a pipe through the flanges 20.

The inner bottom wall of the cover groove 3 is provided with a first annular groove 4, and a first sealing ring 5 is arranged inside the first annular groove 4. Stand 6 passes clamp plate 8 and with 8 sliding connection of clamp plate, 6 bottoms of stand are passed through the bearing and are connected with 1 top rotation of valve body, and 6 tops of stand are fixed with

roof

7, 7 middle parts of roof rotate and are connected with

screw rod

9, and 9 bottoms of screw rod are passed through the bearing and are connected with 8 upper surface rotations of clamp plate, 9 tops of screw rod are equipped with spanner 10, roof 7 and clamp plate 8 can rotate on 1 top of valve body, after 8 rotates to valve gap 2 one side of clamp plate, can drive screw rod 9 and clamp plate 8 through rotating spanner 10 and descend, thereby utilize clamp plate 8 to compress tightly valve gap 2 and fix in lid groove 3, realize the quick installation of valve gap 2, and it is also more convenient when dismantling.

The top end of the mandril 13 and the inner top wall of the guide sleeve 11 are fixedly connected with a spring 12. The guide sleeve 11 inside wall has seted up spout 18, and ejector pin 13 top lateral wall is fixed with slider 19, and slider 19 and spout 18 sliding connection. The upper surface of the valve port 15 is provided with a second annular groove 16, a second sealing ring 17 is arranged in the second annular groove 16, and the force of the valve clack 14 against the valve port 15 can be improved by arranging the soft spring 12, so that the sealing effect between the valve clack 14 and the valve port 15 is better.

When in use: when this check valve is dismantled to overhaul or change second sealing washer 17 as required, only need rotate two spanners 10 on 1 top of valve body, spanner 10 drives screw rod 9 and rotates, screw rod 9 drives clamp plate 8 and rises to the release is to valve gap 2's pressure, rotate roof 7 and clamp plate 8 to the one side of keeping away from valve gap 2 through stand 6 after that, just can dismantle valve gap 2 together from valve body 1 with ejector pin 13 and the valve clack 14 of its bottom this moment, need not dismantle this check valve from the pipeline.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a check valve of convenient dismantlement, includes valve body (1) and valve gap (2), its characterized in that: the valve comprises a valve body (1) and is characterized in that a cover groove (3) used for installing a valve cover (2) is formed in the top end of the valve body (1), two compression structures used for fixing the valve cover (2) are arranged on the two sides of the cover groove (3) and located at the top end of the valve body (1), each compression structure comprises an upright post (6) and a pressing plate (8), a guide sleeve (11) is fixed on the lower surface of the valve cover (2), a push rod (13) is connected to the inner portion of the bottom end of the guide sleeve (11) in a sliding mode, a valve clack (14) is fixed at the bottom end of the push rod (13), the guide sleeve (11), the push rod (13) and the valve clack (14) are located inside the valve body (1), a valve port (15) is formed in the middle of the valve body (1), and the valve clack (14) is connected to the valve port (15) in a clamping mode.

2. A check valve for facilitating disassembly as claimed in claim 1, wherein: the inner bottom wall of the cover groove (3) is provided with a first annular groove (4), and a first sealing ring (5) is arranged inside the first annular groove (4).

3. A check valve to facilitate disassembly as defined in claim 1, wherein: stand (6) pass clamp plate (8) and with clamp plate (8) sliding connection, stand (6) bottom is passed through the bearing and is connected with valve body (1) top rotation, and stand (6) top is fixed with roof (7), roof (7) middle part is rotated and is connected with screw rod (9), and screw rod (9) bottom is passed through the bearing and is connected with clamp plate (8) upper surface rotation, screw rod (9) top is equipped with spanner (10).

4. A check valve to facilitate disassembly as defined in claim 1, wherein: the top end of the ejector rod (13) and the inner top wall of the guide sleeve (11) are fixedly connected with a spring (12) together.

5. A check valve to facilitate disassembly as defined in claim 1, wherein: the inner side wall of the guide sleeve (11) is provided with a sliding groove (18), the side wall of the top end of the ejector rod (13) is fixed with a sliding block (19), and the sliding block (19) is in sliding connection with the sliding groove (18).

6. A check valve to facilitate disassembly as defined in claim 1, wherein: a second annular groove (16) is formed in the upper surface of the valve port (15), and a second sealing ring (17) is arranged inside the second annular groove (16).

7. A check valve for facilitating disassembly as claimed in claim 1, wherein: both ends of the valve body (1) are connected with flanges (20).