CN218818355U

CN218818355U - Butt-clamping double-flap swing check valve

Info

Publication number: CN218818355U
Application number: CN202222962601.3U
Authority: CN
Inventors: 陈晨; 潘宇飞; 何琦
Original assignee: Shanghai Rongchuang Media Technology Service Co ltd
Current assignee: Shanghai Rongchuang Media Technology Service Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-07
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to the technical field of valves, and discloses a butt clamp bivalve swing check valve, which comprises a valve body, wherein a rotating rod is sleeved on the inner wall of the valve body in a rotating way, a fixed shell is sleeved on the surface of the rotating rod in a rotating way, and a coil spring is arranged between the inner wall of the fixed shell and the surface of the rotating rod; the utility model discloses a rotate the dwang, the dwang rotates the elasticity that makes the coil spring and changes, and the elasticity of coil spring changes the pressure change between messenger's valve clack and the valve body inner wall to the mode that cooperation fixing nut goes on fixing the dwang can reach the purpose of pressure between adjusting valve clack and the valve body inner wall, has avoided leaking, has improved the suitability, has reduced use cost, the utility model discloses a rotating cylinder and making a rotating cylinder lateral shifting, a rotating cylinder lateral shifting makes the triangular groove remove, and the mode that the triangular groove removed the inner wall joint that makes joint pole and connecting pipe can reach the purpose of the dismouting of being convenient for, has reduced work load, has improved the efficiency of dismouting.

Description

Butt-clamping double-flap swing check valve

Technical Field

The utility model relates to the technical field of valves, specifically be a to pressing from both sides bivalve swing check valve.

Background

There are many different configurations of check valves that allow for the opening and blocking of media backflow, such as: the valve comprises a butt-clamping double-flap swing check valve, a valve seat, a valve plate, a pair of semicircular valve flaps, a torsion spring, a pair of spring hinges and the like, wherein the butt-clamping double-flap swing check valve mainly comprises a valve body and a valve plate, the valve seat is arranged in a through hole of the valve body, the valve plate is composed of a pair of semicircular valve flaps, the straight edge ends of the two valve flaps are rotatably connected through a pin shaft, the pin shaft is sleeved with the torsion spring, and the two ends of the torsion spring are respectively positioned on the two valve flaps on the two sides of the torsion spring and used for improving the reaction speed of the valve. When the double-flap swing check valve is used, two valve flaps can be folded together to open the valve by forward flow, the valve flaps can be unfolded to form a whole circle to close the valve by reverse flow, the conventional double-flap swing check valve cannot adjust the pressure between the valve flaps and the inner wall of the valve body, the valve flaps are attached to the inner wall of the valve body through the torsion spring, the elasticity of the torsion spring can be reduced in the long-time use process, the pressure between the valve flaps and the inner wall of the valve body is reduced, water leakage is easy to cause, water flow needs certain pressure through the check valve, different passing pressures are needed due to different use positions, the passing pressure of the common check valve is certain, different check valves are needed when the valve is used in different places, the use cost is increased, the applicability is lower, the disassembly and the convenience are realized, the common double-flap swing check valve is fixedly connected with a connecting pipe through a flange, tools are needed for sequentially disassembling and assembling bolts during the disassembly, great troubles are caused, the workload is increased, the work efficiency is reduced, and the problems existing in order to solve the problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to press from both sides bivalve swing check valve, possess the pressure that can adjust between valve clack and the valve body inner wall and the advantage of the dismouting of being convenient for, solved current bivalve swing check valve and can not adjust the pressure between valve clack and the valve body inner wall and the problem of the dismouting of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a to pressing from both sides bivalve swing check valve, includes the valve body, the dwang has been cup jointed in the inner wall rotation of valve body, the set casing has been cup jointed in the surface rotation of dwang, be provided with the coil spring between the inner wall of set casing and the surface of dwang, the surface bolt of set casing has the valve clack, the surperficial threaded connection of dwang has fixation nut, the connecting pipe has all been cup jointed in the equal slip in valve body both ends, the surperficial threaded connection of valve body has a rotating cylinder, three angular grooves have been seted up to the inner wall of rotating cylinder, the inner wall sliding connection of three angular grooves has the joint pole, and the joint pole cup joints with the inner wall slip of valve body, and the one end of joint pole and the inner wall joint of connecting pipe, the fixed cover of surface of joint pole has connect the limiting plate, be provided with the spring between the inner wall of limiting plate and valve body.

Adopt above-mentioned technical scheme: through rotating the dwang, the dwang rotates the elasticity that makes the coil spring and changes, the elasticity of coil spring changes the pressure change between messenger's valve clack and the valve body inner wall, and cooperate set nut to carry out the mode fixed to the dwang, can reach the purpose of pressure between regulation valve clack and the valve body inner wall, water leakage has been avoided, the applicability has been improved, use cost is reduced, make a rotating cylinder lateral shifting through rotating a rotating cylinder, a rotating cylinder lateral shifting makes the triangular groove remove, the triangular groove removes the mode that makes the inner wall joint of joint pole and connecting pipe, can reach the purpose of the dismouting of being convenient for, work load is reduced, the efficiency of dismouting has been improved.

The utility model discloses further set up as, the surface bonding of valve clack has the sealing strip.

Adopt above-mentioned technical scheme: by arranging the sealing strip, water leakage is prevented.

The utility model discloses further set up to, be provided with the sealing washer between the inner wall of connecting pipe and valve body.

Adopt above-mentioned technical scheme: by arranging the sealing ring, water leakage is prevented.

The utility model discloses further set up to, the antiskid line has been seted up on the surface of a rotation section of thick bamboo.

Adopt above-mentioned technical scheme: the anti-slip lines are arranged, so that the hand slip is prevented, and the operation is convenient.

The utility model discloses further set up to, the surface bolt of connecting pipe has spacing, and the inner wall sliding connection of spacing and valve body.

Adopt above-mentioned technical scheme: through setting up spacing, prevent that the connecting pipe from rotating, conveniently connecting.

The utility model discloses further set up as, the inner wall bolt of valve body connects the retainer ring.

Adopt above-mentioned technical scheme: through setting up the spacing ring, spacing to the valve clack makes it open to one side only.

Compared with the prior art, the utility model provides a to pressing from both sides bivalve swing check valve possesses following beneficial effect:

1. the utility model can achieve the purpose of adjusting the pressure between the valve clack and the inner wall of the valve body by rotating the rotating rod, changing the elasticity of the coil spring by rotating the rotating rod and changing the pressure between the valve clack and the inner wall of the valve body by matching with the mode of fixing the rotating rod by the fixing nut, thereby avoiding water leakage, improving the applicability and reducing the use cost;

2. the utility model discloses a rotating a rotation section of thick bamboo and making a rotation section of thick bamboo lateral shifting, rotating a rotation section of thick bamboo lateral shifting and making the triangular groove remove, the triangular groove removes the mode that makes the inner wall joint of joint pole and connecting pipe, can reach the purpose of the dismouting of being convenient for, has reduced work load, has improved the efficiency of dismouting.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a top sectional view of the structure of the present invention;

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

fig. 4 is an enlarged view of the structure a in fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. rotating the rod; 3. a stationary case; 4. a coil spring; 5. a valve flap; 6. fixing a nut; 7. a connecting pipe; 8. a rotating cylinder; 9. a triangular groove; 10. a clamping and connecting rod; 11. a limiting plate; 12. a spring; 13. a sealing strip; 14. a seal ring; 15. anti-skid lines; 16. a limiting strip; 17. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

The first embodiment is as follows:

please refer to fig. 1 and 2, a dual-clip double-flap swing check valve, which comprises a valve body 1, the inner wall of the valve body 1 is rotated and sleeved with a rotating rod 2, the surface of the rotating rod 2 is rotated and sleeved with a fixed shell 3, a coil spring 4 is arranged between the inner wall of the fixed shell 3 and the surface of the rotating rod 2, the surface of the fixed shell 3 is bolted with a valve flap 5, the surface thread of the rotating rod 2 is connected with a fixed nut 6, by rotating the rotating rod 2, the rotating rod 2 rotates to change the elasticity of the coil spring 4, the elasticity of the coil spring 4 changes the pressure between the valve flap 5 and the inner wall of the valve body 1, and the rotating rod 2 is fixed by matching the fixed nut 6, thereby achieving the purpose of adjusting the pressure between the valve flap 5 and the inner wall of the valve body 1, avoiding water leakage, improving the applicability and reducing the use cost.

Referring to fig. 1 and 2, a sealing strip 13 is adhered to the surface of the valve flap 5, and water leakage is prevented by the sealing strip 13.

Referring to fig. 2, a limiting ring 17 is bolted to the inner wall of the valve body 1, and the valve flap 5 is limited by the limiting ring 17 and can be opened only to one side.

The using process is briefly described as follows: loosening the fixing nut 6, rotating the rotating rod 2, enabling the elasticity of the coil spring 4 to change by rotating the rotating rod 2, enabling the pressure between the valve clack 5 and the inner wall of the valve body 1 to change by the elasticity of the coil spring 4, and screwing the fixing nut 6 after the adjustment is completed, so that the purpose of adjusting the pressure between the valve clack 5 and the inner wall of the valve body 1 is achieved.

Example two:

please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the connecting pipes 7 are slidably sleeved at both ends of the valve body 1, the surface of the valve body 1 is in threaded connection with the rotating cylinder 8, the inner wall of the rotating cylinder 8 is provided with the triangular groove 9, the inner wall of the triangular groove 9 is slidably connected with the clamping rod 10, the clamping rod 10 is slidably sleeved with the inner wall of the valve body 1, one end of the clamping rod 10 is clamped with the inner wall of the connecting pipe 7, the surface of the clamping rod 10 is fixedly sleeved with the limiting plate 11, the spring 12 is arranged between the limiting plate 11 and the inner wall of the valve body 1, the rotating cylinder 8 is transversely moved by rotating the rotating cylinder 8, the rotating cylinder 8 transversely moves the triangular groove 9, the clamping rod 10 is clamped with the inner wall of the connecting pipe 7 by moving the triangular groove 9, the purpose of facilitating disassembly and assembly can be achieved, the workload is reduced, and the efficiency of disassembly and assembly is improved.

Referring to fig. 1, a sealing ring 14 is disposed between the connecting pipe 7 and the inner wall of the valve body 1, and water leakage is prevented by the sealing ring 14.

Referring to fig. 1 and 3, the surface of the rotating cylinder 8 is provided with anti-slip lines 15, and the anti-slip lines 15 prevent hand slip and facilitate operation.

Referring to fig. 3, a limiting strip 16 is bolted on the surface of the connecting pipe 7, the limiting strip 16 is slidably connected with the inner wall of the valve body 1, and the limiting strip 16 prevents the connecting pipe 7 from rotating and facilitates connection.

Brief description of the use process: rotate a 8 messenger of rotation section of thick bamboo 8 lateral shifting, 8 lateral shifting of a rotation section of thick bamboo makes triangular groove 9 remove, triangular groove 9 removes the inner wall joint that makes joint pole 10 and connecting pipe 7, accomplish the installation, reverse rotation rotates a section of thick bamboo 8, make and rotate 8 reverse shifting of a section of thick bamboo, 8 reverse shifting of a rotation section of thick bamboo make triangular groove 9 reverse shifting, 9 reverse shifting of triangular groove makes joint pole 10 break away from the joint with the inner wall of connecting pipe 7 under the effect of spring 12, take out connecting pipe 7, the completion is dismantled, thereby reach the purpose of the dismouting of being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a to pressing from both sides bivalve swing check valve, includes valve body (1), its characterized in that: dwang (2) have been cup jointed in the inner wall rotation of valve body (1), the surface of dwang (2) is rotated and has been cup jointed set casing (3), be provided with coil spring (4) between the inner wall of set casing (3) and the surface of dwang (2), the surface bolt of set casing (3) has valve clack (5), the surface threaded connection of dwang (2) has fixation nut (6), connecting pipe (7) have all been slided and have been cup jointed at valve body (1) both ends, the surface threaded connection of valve body (1) has a rotor (8), three angular groove (9) have been seted up to the inner wall of rotor (8), the inner wall sliding connection of three angular groove (9) has joint pole (10), and joint pole (10) and the inner wall sliding connection of valve body (1) cup joint, and the inner wall joint of the one end of joint pole (10) and connecting pipe (7), the fixed cover in surface of joint pole (10) has been connect limiting plate (11), be provided with spring (12) between the inner wall of limiting plate (11) and valve body (1).

2. The dual-clack swing check valve of claim 1, wherein: and a sealing strip (13) is bonded on the surface of the valve flap (5).

3. The dual-clamp double-flap swing check valve of claim 1, wherein: and a sealing ring (14) is arranged between the connecting pipe (7) and the inner wall of the valve body (1).

4. The dual-clamp double-flap swing check valve of claim 1, wherein: the surface of the rotating cylinder (8) is provided with anti-skid grains (15).

5. The dual-clack swing check valve of claim 1, wherein: the surface of the connecting pipe (7) is bolted with a limiting strip (16), and the limiting strip (16) is connected with the inner wall of the valve body (1) in a sliding manner.

6. The dual-clack swing check valve of claim 1, wherein: the inner wall of the valve body (1) is bolted with a limiting ring (17).