CN215334665U

CN215334665U - Silent water hammer-proof check valve

Info

Publication number: CN215334665U
Application number: CN202121391324.4U
Authority: CN
Inventors: 徐魁生
Original assignee: Jiangsu Huashan Valve Co ltd
Current assignee: Jiangsu Huashan Valve Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-28
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a mute water hammer-proof check valve, relates to the technical field of check valves, and aims to solve the problems that the existing check valve is complex in structure and high in noise when the check valve is opened and closed. The check valve main part includes the valve body, the inside of valve body is provided with overflows the passageway, the internally mounted of valve body has the case, the internally mounted of case has the base, the actuating lever is installed to the one end of base, and the inside of the one end embedding base of actuating lever, and base and actuating lever sliding connection, install the spring between actuating lever and the base, the actuating arm is installed to the one end of actuating lever, sealed dish is installed to the one end of actuating arm, and the spring all passes through the screw connection with base and actuating lever, install sealed sliding sleeve between actuating lever and the case, and sealed sliding sleeve and actuating lever sliding connection, and sealed sliding sleeve and case fixed connection glue, the outside of sealed dish is provided with the sealing washer, and sealed dish is connected with the sealing washer.

Description

Silent water hammer-proof check valve

Technical Field

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

Background

The check valve is a valve, can control the one-way flow of medium and can prevent the refluence, is applied to among the pipe-line system, and the variety of check valve is various, and different kinds of check valve are used for different occasions, convenient to use.

However, the existing check valve is complex in structure, and noise generated when the check valve is opened and closed is large, so that the existing requirements are not met, and the mute waterproof hammer check valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mute waterproof hammer check valve, which solves the problems that the existing check valve proposed in the background art is complex in structure and loud in noise when the check valve is opened and closed.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waterproof hammer check valve of silence, includes the check valve main part, the check valve main part includes the valve body, the inside of valve body is provided with overflows the passageway, the internally mounted of valve body has the case, the internally mounted of case has the base, the actuating lever is installed to the one end of base, and the one end embedding base's of actuating lever inside, and base and actuating lever sliding connection, install the spring between actuating lever and the base, the actuating arm is installed to the one end of actuating lever, sealed dish is installed to the one end of actuating arm, and the spring all passes through screw connection with base and actuating lever.

Preferably, install sealed sliding sleeve between actuating lever and the case, and sealed sliding sleeve and actuating lever sliding connection, and sealed sliding sleeve and case fixed connection, the outside of sealed dish is provided with the sealing washer, and sealed dish splices with the sealing washer and is connected.

Preferably, a supporting seat is installed between the valve core and the valve body, and a water passing groove is arranged at the upper end of the supporting seat.

Preferably, the ring flange is all installed at the both ends of valve body, the upper end of ring flange is provided with the mounting hole, and the mounting hole is provided with six.

Preferably, one end of the valve body is provided with a liquid inlet, and the other end of the valve body is provided with a liquid outlet.

Preferably, the valve body is connected with the supporting seat in a welding mode, and the supporting seat is connected with the valve core in a welding mode.

Preferably, the driving rod is connected with a driving arm in a welding mode, and the driving arm is connected with the sealing disc in a welding mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model realizes the opening and closing of the check valve main body by the thrust of the fluid medium, when the fluid medium passes through the flow passage, the horizontal thrust of the sealing discs is applied, so that the spring is stretched, the four sealing discs synchronously slide horizontally, the interception of the flow passage is removed, at the moment, the fluid can normally flow through the flow passage, when the pump is stopped, the fluid medium does not apply the horizontal thrust of the sealing discs any more, the spring drives the driving rod and the sealing discs to reset under the action of the self elastic force, the sealing discs intercept the flow passage again, the closing of the check valve main body is completed at the moment, the interception of the fluid medium is realized, no driving component is required to be added, the structure of the whole check valve main body is simpler, the opening and closing actions are convenient, and the backflow of the fluid medium can be prevented.

2. The utility model realizes the opening and closing of the check valve main body through the elastic driving force of the spring, the stroke of the opening and closing mechanism is short, and the water hammer phenomenon can not occur, so that the noise is low when the check valve main body is opened and closed, and the aim of muting can be achieved.

Drawings

Fig. 1 is a schematic structural view of a silent check valve for a waterproof hammer according to the present invention;

FIG. 2 is a view of the position of the drive lever, drive arm and sealing disk of the present invention;

FIG. 3 is a schematic structural view of a seal disk of the present invention;

fig. 4 is a three-dimensional perspective view of a check valve of a silent water hammer prevention according to the present invention.

In the figure: 1. a check valve body; 2. a valve body; 3. a valve core; 4. a base; 5. a drive rod; 6. a spring; 7. a drive arm; 8. sealing the disc; 9. sealing the sliding sleeve; 10. a supporting seat; 11. passing through a water tank; 12. an overflow channel; 13. a flange plate; 14. mounting holes; 15. a liquid inlet; 16. a liquid outlet; 17. and (5) sealing rings.

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.

Referring to fig. 1-4, an embodiment of the present invention is shown: a silent water hammer-proof check valve comprises a check valve body 1, wherein the check valve body 1 comprises a valve body 2, an overflowing channel 12 is arranged in the valve body 2, a valve core 3 is arranged in the valve body 2, a base 4 is arranged in the valve core 3, a driving rod 5 is arranged at one end of the base 4, one end of the driving rod 5 is embedded in the base 4, the base 4 is in sliding connection with the driving rod 5, a spring 6 is arranged between the driving rod 5 and the base 4, a driving arm 7 is arranged at one end of the driving rod 5, a sealing disc 8 is arranged at one end of the driving arm 7, the spring 6, the base 4 and the driving rod 5 are connected through screws, an external pump body works to drive the flow of a fluid medium, the fluid medium at the moment has certain power, when the fluid medium is in contact with the sealing disc 8, a horizontal thrust can be applied to the sealing disc 8, when the sealing disc 8 is acted by an external force, spring 6 is stretched, actuating lever 5 drives four sealed dish 8 one end distances that slide in step along sealed sliding sleeve 9, it is in the open mode to overflow passageway 12 this moment, fluid medium can normally circulate, finally discharge through liquid outlet 16, when external pump body stop work, fluid medium's power disappears, fluid medium exerts and disappears in sealed dish 8 horizontal thrust, spring 6 relies on self elastic action to kick-back and resets, drive actuating lever 5 and sealed dish 8 and reset, sealed dish 8 dams overflow passageway 12 and dams again, then accomplish closing of check valve main part 1 this moment, realize damming to fluid medium.

Further, install sealed sliding sleeve 9 between actuating lever 5 and the case 3, and sealed sliding sleeve 9 and 5 sliding connection of actuating lever, and sealed sliding sleeve 9 and 3 fixed connection of case, sealed 8's the outside is provided with sealing washer 17, and sealed 8 and 17 cementing of sealing washer are connected, improve whole check valve main part 1's leakproofness.

Further, a supporting seat 10 is installed between the valve core 3 and the valve body 2, and a water passing groove 11 is arranged at the upper end of the supporting seat 10 to ensure the normal circulation of fluid media.

Further, the flange 13 is all installed at the both ends of valve body 2, and the upper end of flange 13 is provided with mounting hole 14, and mounting hole 14 is provided with six, and the convenience is fixed to the installation of check valve main part 1.

Further, one end of the valve body 2 is provided with a liquid inlet 15, the other end of the valve body 2 is provided with a liquid outlet 16, and fluid medium can flow in through the liquid inlet 15 and be discharged through the liquid outlet 16.

Further, the valve body 2 is connected with the supporting seat 10 in a welding mode, the supporting seat 10 is connected with the valve core 3 in a welding mode, and the valve body is simple in connection mode and good in integrity.

Further, the driving rod 5 is connected with the driving arm 7 in a welded mode, the driving arm 7 is connected with the sealing disc 8 in a welded mode, the connection mode is simple, and the integrity is good.

The working principle is as follows: when the check valve is used, the external pump body works to drive the flow of fluid media, the fluid media can enter the interior of the check valve main body 1 through the liquid inlet 15, the fluid media at the moment have certain power, when the fluid media are in contact with the sealing discs 8, a horizontal thrust can be applied to the sealing discs 8, when the sealing discs 8 are acted by an external force, the springs 6 are stretched, the driving rod 5 drives the four sealing discs 8 to synchronously slide for a distance along the sealing sliding sleeve 9, the overflowing channel 12 is in an opening state at the moment, the fluid media can normally flow and are finally discharged through the liquid outlet 16, when the external pump body stops working, the power of the fluid media disappears, the horizontal thrust applied to the sealing discs 8 by the fluid media disappears, the springs 6 rebound and reset by the aid of the elastic force of the springs to drive the driving rod 5 and the sealing discs 8 to reset, and the sealing discs 8 stop the overflowing channel 12 again, then accomplish closing of check valve main part 1 this moment, realize damming to fluid medium, check valve main part 1 need not plus drive components and parts, whole check valve main part 1's structure is comparatively simple, it is convenient to open and close the action, can prevent fluidic medium's adverse current simultaneously, check valve main part 1 relies on the elastic drive power realization of spring 6 to open and close of check valve main part 1, the stroke of opening and closing mechanism is short, the water hammer phenomenon can not appear, make the noise when check valve main part 1 opens and close little, can reach the purpose of silence.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a waterproof hammer check valve of silence, includes check valve main part (1), its characterized in that: check valve main part (1) includes valve body (2), the inside of valve body (2) is provided with overflows passageway (12), the internally mounted of valve body (2) has case (3), the internally mounted of case (3) has base (4), actuating lever (5) are installed to the one end of base (4), and the one end embedding base of actuating lever (5) the inside of (4), and base (4) and actuating lever (5) sliding connection, install spring (6) between actuating lever (5) and base (4), actuating arm (7) are installed to the one end of actuating lever (5), sealed dish (8) are installed to the one end of actuating arm (7), and spring (6) all pass through the screw connection with base (4) and actuating lever (5).

2. The check valve of claim 1, wherein: install sealed sliding sleeve (9) between actuating lever (5) and case (3), and sealed sliding sleeve (9) and actuating lever (5) sliding connection, and sealed sliding sleeve (9) and case (3) fixed connection, the outside of sealed dish (8) is provided with sealing washer (17), and sealed dish (8) and sealing washer (17) splice and be connected.

3. The check valve of claim 1, wherein: a supporting seat (10) is installed between the valve core (3) and the valve body (2), and a water passing groove (11) is formed in the upper end of the supporting seat (10).

4. The check valve of claim 1, wherein: the two ends of the valve body (2) are provided with flange plates (13), mounting holes (14) are formed in the upper ends of the flange plates (13), and six mounting holes (14) are formed in the mounting holes.

5. The check valve of claim 1, wherein: one end of the valve body (2) is provided with a liquid inlet (15), and the other end of the valve body (2) is provided with a liquid outlet (16).

6. A silent check valve against water hammer as claimed in claim 3, wherein: the valve body (2) is connected with the supporting seat (10) in a welding mode, and the supporting seat (10) is connected with the valve core (3) in a welding mode.

7. The check valve of claim 1, wherein: the driving rod (5) is connected with the driving arm (7) in a welded mode, and the driving arm (7) is connected with the sealing disc (8) in a welded mode.