CN216895954U

CN216895954U - Mute check valve

Info

Publication number: CN216895954U
Application number: CN202122720087.8U
Authority: CN
Inventors: 肖帅
Original assignee: Jiangsu Yibai Valve Technology Co ltd
Current assignee: Jiangsu Yibai Valve Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-05
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of check valves and discloses a silent check valve which comprises a valve body, wherein a connecting rod is fixedly connected to the inner wall of the valve body, one end of the connecting rod is fixedly connected with a fixed sleeve, the inner wall of the fixed sleeve is movably connected with a movable spring, the inner wall of the fixed sleeve is movably connected with a movable clamping plate, the inner wall of the fixed sleeve is movably connected with a movable rod, one end of the movable rod is fixedly connected with a fixed baffle, and one end of the movable rod is fixedly connected with a movable baffle. The mute check valve can achieve the purpose of high sealing performance, solves the problem of poor sealing performance of a common mute check valve, avoids the problem of raw material leakage when the mute check valve is used, avoids the waste of the device to environmental resources, ensures the life safety of workers, improves the safety of the mute check valve, and improves the practicability of the mute check valve.

Description

Mute check valve

Technical Field

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

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards. Swing check valves have a flap that is tilted and can pivot, and operate on a similar principle to lift check valves. The check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water.

The sealed effect of the silence check valve that uses in the existing market is relatively poor for general silence check valve causes the problem that the raw materials leaks easily when using, makes general silence check valve can cause the wasting of resources, has threatened user's life safety simultaneously, has reduced the security of general silence check valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the mute check valve which has the advantages of good sealing effect and the like, and solves the problem that the common mute check valve has good sealing effect.

(II) technical scheme

In order to achieve the purpose of better sealing effect, the utility model provides the following technical scheme: a silent check valve comprises a valve body, wherein a connecting rod is fixedly connected to the inner wall of the valve body, one end of the connecting rod is fixedly connected with a fixed sleeve, the inner wall of the fixed sleeve is movably connected with a movable spring, the inner wall of the fixed sleeve is movably connected with a movable clamping plate, the inner wall of the fixed sleeve is movably connected with a movable rod, one end of the movable rod is fixedly connected with a fixed baffle, and one end of the movable rod is fixedly connected with a movable baffle;

one side fixedly connected with sealing washer of adjustable fender, one side swing joint of adjustable fender has the water conservancy diversion fan, the inner wall fixedly connected with positioning sleeve of valve body, one side fixedly connected with inlet tube of valve body, the one end fixedly connected with flange ring of inlet tube, one side fixedly connected with outlet pipe of valve body, the inner wall fixedly connected with fixed slot of valve body.

Preferably, the valve body is made of multiple layers of steel plate materials, and a vacuum layer for reducing sound wave transmission is arranged inside the valve body, so that the noise reduction capability of the device is improved, and the strength of the device is enhanced.

Preferably, one side of the diversion fan is movably connected with one side of the movable baffle plate through the fixed clamping sleeve, and one side of the diversion fan is arranged through the round angle, so that direct impact of water flow on elements of the device is avoided, and raw materials can uniformly pass through the device.

Preferably, the inner wall of the positioning sleeve is movably connected with one end of the movable rod, and one side of the positioning sleeve is fixedly connected with the inner wall of the valve body through the fixed rod, so that the stability of the device is improved, and the problem of shaking during the operation of the device is reduced.

Preferably, one side of the sealing ring is movably connected with the inner wall of the fixed clamping groove, the sealing ring is made of corrosion-resistant materials, the sealing performance of the device is improved, and the problem of leakage of the device is solved.

Preferably, one side of the movable clamping plate is fixedly connected with one end of the movable rod, and one side of the movable clamping plate is movably connected with one end of the movable spring, so that the backflow prevention capacity of the device is improved, and the sealing performance of the device is further improved.

Preferably, the diameter of the fixed baffle is smaller than that of the inner wall of the water outlet pipe, and one side of the fixed baffle is arranged through a straight angle, so that the abrasion of the device element is reduced, and the durability of the device is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides a mute check valve which has the following beneficial effects:

1. this silence check valve, valve body through setting up, the connecting rod, the fixed sleeve, the floating spring, the activity cardboard, the movable rod, fixed stop and adjustable fender, make this silence check valve can reach the higher purpose of leakproofness, the relatively poor problem of general silence check valve leakproofness has been solved, make this silence check valve when using, the problem of raw materials leakage has been avoided, the device has been avoided simultaneously to the waste of environmental resource, staff's life safety has been guaranteed, this silence check valve's security has been improved, thereby this silence check valve's practicality has been promoted.

2. This silence check valve through the water conservancy diversion fan, adjustable fender and the valve body that set up for this silence check valve can reach the better purpose of noise reduction when using, has solved the relatively poor problem of general silence check valve noise reduction, makes this silence check valve when using, can the noise reduction to outside propagation, has improved staff's operational environment, has reduced the noise and has further promoted this silence check valve's practicality to the healthy influence of staff.

3. This silence check valve through the valve body, movable rod and the position sleeve that set up for this silence check valve can reach the better effect of stability, has avoided this silence check valve when using, and the device component takes place the problem of rocking, has reduced the wearing and tearing between the device component, makes this silence check valve can continuous stable work, has prolonged this silence check valve's life.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connecting structure of the fixed sleeve and the movable rod according to the present invention;

FIG. 4 is an enlarged view of the utility model taken at A in FIG. 1.

In the figure: 1. a flange ring; 2. a water inlet pipe; 3. a flow guiding fan; 4. a movable baffle; 5. a valve body; 6. a connecting rod; 7. fixing the sleeve; 8. a movable rod; 9. fixing a baffle plate; 10. a water outlet pipe; 11. a positioning sleeve; 12. a seal ring; 13. fixing the clamping groove; 14. a movable clamping plate; 15. a movable spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, a silent check valve comprises a valve body 5, wherein a connecting rod 6 is fixedly connected to the inner wall of the valve body 5, one end of the connecting rod 6 is fixedly connected with a fixed sleeve 7, the inner wall of the fixed sleeve 7 is movably connected with a movable spring 15, the inner wall of the fixed sleeve 7 is movably connected with a movable clamping plate 14, the inner wall of the fixed sleeve 7 is movably connected with a movable rod 8, one end of the movable rod 8 is fixedly connected with a fixed baffle 9, and one end of the movable rod 8 is fixedly connected with a movable baffle 4;

one side of the movable baffle 4 is fixedly connected with a sealing ring 12, one side of the movable baffle 4 is movably connected with a flow guiding fan 3, the inner wall of the valve body 5 is fixedly connected with a positioning sleeve 11, one side of the valve body 5 is fixedly connected with a water inlet pipe 2, one end of the water inlet pipe 2 is fixedly connected with a flange ring 1, one side of the valve body 5 is fixedly connected with a water outlet pipe 10, the inner wall of the valve body 5 is fixedly connected with a fixed clamping groove 13, the valve body 5 is made of multi-layer steel plate materials, a vacuum layer for reducing sound wave transmission is arranged inside the valve body 5, one side of the flow guiding fan 3 is movably connected with one side of the movable baffle 4 through a fixed clamping sleeve, one side of the flow guiding fan 3 is arranged through a fillet, the inner wall of the positioning sleeve 11 is movably connected with one end of a movable rod 8, one side of the positioning sleeve 11 is fixedly connected with the inner wall of the valve body 5 through a fixed rod, and one side of the sealing ring 12 is movably connected with the inner wall of the fixed clamping groove 13, the sealing ring 12 is made of corrosion-resistant material, one side of the movable clamping plate 14 is fixedly connected with one end of the movable rod 8, one side of the movable clamping plate 14 is movably connected with one end of the movable spring 15, the diameter of the fixed baffle 9 is smaller than that of the inner wall of the water outlet pipe 10, and one side of the fixed baffle 9 is arranged through a flat angle, the silent check valve can achieve the purpose of higher sealing performance through the arranged valve body 5, the connecting rod 6, the fixed sleeve 7, the movable spring 15, the movable clamping plate 14, the movable rod 8, the fixed baffle 9 and the movable baffle 4, the problem of poor sealing performance of a common silent check valve is solved, the problem of raw material leakage is avoided when the silent check valve is used, meanwhile, the waste of environmental resources by the device is avoided, the life safety of workers is ensured, the safety of the silent check valve is improved, and the practicability of the silent check valve is improved, through the guiding fan 3 that sets up, adjustable fender 4 and valve body 5, make this silence check valve can reach the better purpose of noise reduction when using, the relatively poor problem of general silence check valve noise reduction has been solved, make this silence check valve when using, can the propagation of noise reduction to the outside, staff's operational environment has been improved, the influence of noise to staff's health has been reduced, the practicality of this silence check valve has further been promoted, through the valve body 5 that sets up, movable rod 8 and locating sleeve 11, make this silence check valve can reach the better effect of stability, avoided this silence check valve when using, the problem that the device component takes place to rock, the wearing and tearing between the device component have been reduced, make this silence check valve can continuous stable work, the life of this silence check valve has been prolonged.

When the device is used, the device is connected into a pipeline through a flange ring 1, so that raw materials flow in through a water inlet pipe 2, the raw materials impact a diversion fan 3 and a movable baffle 4, the raw materials push the movable baffle 4 to move, the movable baffle 4 pushes a movable rod 8 to move along the inner wall of a fixed sleeve 7, meanwhile, the movable rod 8 drives a movable clamping plate 14 to extrude a movable spring 15, so that a sealing ring 12 and a fixed clamping groove 13 are unsealed, the raw materials flow into a valve body 5 through one side of the movable baffle 4, meanwhile, the diversion fan 3 rotates to drive the raw materials to flow around the movable baffle 4, a positioning sleeve 11 limits the moving position of the movable rod 8, the raw materials flow out from a water outlet pipe 10, when the raw materials stop conveying, the movable spring 15 rebounds to push the movable clamping plate 14, the movable baffle 4 is driven to return to the original position through the movable rod 8, and the sealing ring 12 and the fixed clamping groove 13 are movably clamped, when the raw materials entered from outlet pipe 10, the raw materials promoted fixed stop 9 and drove movable rod 8 and further extrude movable stop 4 sealedly, avoided the raw materials to ooze the backward flow outward, strengthened sealed effect.

In conclusion, this silence check valve can reach the better purpose of sealed effect for the device easy operation is convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A silence check valve, includes valve body (5), its characterized in that: a connecting rod (6) is fixedly connected to the inner wall of the valve body (5), one end of the connecting rod (6) is fixedly connected with a fixed sleeve (7), the inner wall of the fixed sleeve (7) is movably connected with a movable spring (15), the inner wall of the fixed sleeve (7) is movably connected with a movable clamping plate (14), the inner wall of the fixed sleeve (7) is movably connected with a movable rod (8), one end of the movable rod (8) is fixedly connected with a fixed baffle (9), and one end of the movable rod (8) is fixedly connected with a movable baffle (4);

one side fixedly connected with sealing washer (12) of adjustable fender (4), one side swing joint of adjustable fender (4) has water conservancy diversion fan (3), the inner wall fixedly connected with positioning sleeve (11) of valve body (5), one side fixedly connected with inlet tube (2) of valve body (5), the one end fixedly connected with flange ring (1) of inlet tube (2), one side fixedly connected with outlet pipe (10) of valve body (5), the inner wall fixedly connected with fixing groove (13) of valve body (5).

2. A silent check valve as claimed in claim 1, wherein: the valve body (5) is made of multiple layers of steel plate materials, and a vacuum layer for reducing sound wave transmission is arranged inside the valve body (5).

3. A silent check valve as claimed in claim 1, wherein: one side of the diversion fan (3) is movably connected with one side of the movable baffle (4) through a fixed clamping sleeve, and one side of the diversion fan (3) is arranged through a round angle.

4. A silent check valve as claimed in claim 1, wherein: the inner wall of the positioning sleeve (11) is movably connected with one end of the movable rod (8), and one side of the positioning sleeve (11) is fixedly connected with the inner wall of the valve body (5) through the fixed rod.

5. A silent check valve as claimed in claim 1, wherein: one side of the sealing ring (12) is movably connected with the inner wall of the fixed clamping groove (13), and the sealing ring (12) is made of corrosion-resistant materials.

6. A silent check valve as claimed in claim 1, wherein: one side of the movable clamping plate (14) is fixedly connected with one end of the movable rod (8), and one side of the movable clamping plate (14) is movably connected with one end of the movable spring (15).

7. A silent check valve as claimed in claim 1, wherein: the diameter of the fixed baffle (9) is smaller than that of the inner wall of the water outlet pipe (10), and one side of the fixed baffle (9) is arranged through a straight angle.