CN214946621U

CN214946621U - Check valve capable of being opened and closed quickly

Info

Publication number: CN214946621U
Application number: CN202120969092.XU
Authority: CN
Inventors: 严杰; 刘燕; 程锋; 刘海洋; 郜学飞; 黄程波
Original assignee: Anhui Tongdu Flow Technology Co ltd
Current assignee: Anhui Tongdu Flow Technology Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-30
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to a check valve technical field just discloses a check valve that can open and close fast, which comprises a valve body, the top of valve body is provided with the valve gap, the valve gap passes through bolt and valve body fixed mounting, the inside of valve body is provided with the disk seat, the water inlet has been seted up in the left side of valve body, the delivery port has been seted up on the right side of valve body, the opening has been seted up to the inside of disk seat, the bottom fixedly connected with T shape fixed column of valve gap. This check valve that can open and close fast, through the opening, T shape fixed column, the movable groove, the valve rod, the block rubber, the valve clack, gu fixed ring, the ring channel, the sealing ring, the circular slot, the rubber pad, mutually support between sealed piece and the O type circle, thereby make the sealed effect between solid fixed ring and the ring channel improve, and make the sealed effect between sealed piece and the opening improve, and then make the device's leakproofness stronger, prevent the phenomenon of rivers infiltration, thereby the result of use of the device has been improved.

Description

Check valve capable of being opened and closed quickly

Technical Field

The utility model relates to a check valve technical field specifically is a check valve that can open and close fast.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by its own weight and medium pressure to block the medium from flowing backwards, and belongs to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve.

The existing check valve has low sealing performance, and when the check valve is used, the water leakage phenomenon easily occurs, so that the using effect of the check valve is influenced, the abrasion condition of a valve rod and a valve clack is easily caused, and the problem that the check valve can be quickly opened and closed is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a check valve that can open and close fast possesses the sealed effect of improvement, reduces advantages such as the wearing and tearing condition of valve rod and valve clack, and it is not high to have solved check valve sealing performance, and when the check valve used, rivers seepage phenomenon appears easily to influence the result of use of check valve, and cause the problem of the wearing and tearing condition to valve rod and valve clack easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a check valve that can open and close fast, includes the valve body, the top of valve body is provided with the valve gap, the valve gap passes through bolt and valve body fixed mounting, the inside of valve body is provided with the disk seat, the water inlet has been seted up in the left side of valve body, the delivery port has been seted up on the right side of valve body, the opening has been seted up to the inside of disk seat, the bottom fixedly connected with T shape fixed column of valve gap, the movable groove has been seted up to the bottom of T shape fixed column, the inside activity of movable groove is pegged graft and is had the valve rod, the interior roof fixedly connected with rubber piece of movable groove, the bottom of valve rod is provided with the valve clack, the top fixedly connected with solid fixed ring of disk seat, the ring channel has been seted up to the bottom of valve clack, the interior roof fixedly connected with sealing ring of ring channel.

Preferably, the top of the valve clack is provided with a circular groove, the inner bottom wall of the circular groove is fixedly connected with a rubber pad, the bottom end of the valve rod is fixedly connected with the inner bottom wall of the circular groove, the valve rod is inserted into the rubber pad, and the circular groove is matched with the bottom of the T-shaped fixing column.

Preferably, the inner bottom wall of the circular groove is fixedly connected with a guide rod, the bottom of the T-shaped fixing column is provided with a guide hole, the guide rod is movably inserted in the guide hole, and the guide rod is inserted in the rubber pad.

Preferably, the bottom of the valve clack is fixedly connected with a sealing block, the bottom of the sealing block is provided with a circular platform groove, and the bottom of the sealing block is fixedly connected with an O-shaped ring.

Preferably, the circular platform groove is communicated with the top of the sealing block, the sealing block is arranged in a cylindrical shape, the side surface of the sealing block is overlapped with the inner side wall of the circulation hole, and the side surface of the O-shaped ring is overlapped with the inner side wall of the circulation hole.

Preferably, the water inlet is communicated with the circulation hole, the water outlet is communicated with the circulation hole, the bottom of the valve clack is in lap joint with the top of the valve seat, the fixing ring is located inside the annular groove, the fixing ring is matched with the annular groove, and the top of the fixing ring is in lap joint with the bottom of the sealing ring.

Compared with the prior art, the utility model provides a check valve that can open and close fast possesses following beneficial effect:

1. this check valve that can open and close fast, through the opening, T shape fixed column, the movable groove, the valve rod, the rubber block, the valve clack, gu fixed ring, the ring channel, the sealing ring, the circular slot, the rubber pad, mutually support between sealed piece and the O type circle, thereby make the sealed effect between solid fixed ring and the ring channel improve, and make the sealed effect between sealed piece and the opening improve, and then make the device's leakproofness stronger, the phenomenon of rivers infiltration prevents to appear, thereby the result of use of the device has been improved, and under the effect of rubber block and rubber pad, can protect valve rod and valve clack, reduce the wearing and tearing condition.

2. This check valve that can open and close fast, through the guide bar, the guiding hole, sealed piece, mutually support between round platform groove and the O type circle, thereby make rivers open the valve clack when, make rivers gathering in the inside in round platform groove, and the inside wall in round platform groove is the slope form, thereby make the dynamics of rivers concentrate on the central point of valve clack bottom put, thereby be convenient for open the valve clack, and under the effect of guide bar and guiding hole, can carry on spacingly to the valve clack, make the valve clack reciprocate more steadily, thereby the device open and close effect has been improved.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a schematic front structural view of the present invention.

Wherein: 1. a valve body; 2. a valve cover; 3. a bolt; 4. a valve seat; 5. a water inlet; 6. a water outlet; 7. a flow-through hole; 8. a T-shaped fixing column; 9. a movable groove; 10. a valve stem; 11. a rubber block; 12. a valve flap; 13. a fixing ring; 14. an annular groove; 15. a seal ring; 16. a circular groove; 17. a rubber pad; 18. a guide bar; 19. a guide hole; 20. a sealing block; 21. a circular platform groove; 22. and an O-shaped ring.

Detailed Description

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

Referring to fig. 1-3, a check valve capable of being opened and closed quickly comprises a valve body 1, a valve cover 2 is arranged on the top of the valve body 1, the valve cover 2 is fixedly mounted with the valve body 1 through bolts 3, the bolts 3 are multiple, a valve seat 4 is arranged inside the valve body 1, a water inlet 5 is arranged on the left side of the valve body 1, a water outlet 6 is arranged on the right side of the valve body 1, a circulation hole 7 is arranged inside the valve seat 4, water flows into the water inlet 5 from the left side of the valve body 1 and flows into the circulation hole 7, then flows to the water outlet 6 from the circulation hole 7, and finally is discharged from the water outlet 6, a T-shaped fixing column 8 is fixedly connected to the bottom of the valve cover 2, the T-shaped fixing column 8 is composed of an upper fixing column and a lower fixing column, a movable groove 9 is arranged at the bottom of the T-shaped fixing column 8, the movable groove 9 is positioned at the center of the bottom of the T-shaped fixing column 8, and a valve rod 10 is movably inserted in the movable groove 9, the inner top wall of the movable groove 9 is fixedly connected with a rubber block 11, the abrasion condition caused to the top of the valve rod 10 can be reduced by arranging the rubber block 11, the bottom of the valve rod 10 is provided with a valve clack 12, the top of the valve seat 4 is fixedly connected with a fixing ring 13, the fixing ring 13 corresponds to the position of the circulation hole 7, the bottom of the valve clack 12 is provided with an annular groove 14, the inner top wall of the annular groove 14 is fixedly connected with a sealing ring 15, the water inlet 5 is communicated with the circulation hole 7, the water outlet 6 is communicated with the circulation hole 7, the bottom of the valve clack 12 is lapped with the top of the valve seat 4, the fixing ring 13 is positioned inside the annular groove 14, the fixing ring 13 is matched with the annular groove 14, the top of the fixing ring 13 is lapped with the bottom of the sealing ring 15, the annular groove 14 is matched with the sealing ring 15 through the fixing ring 13, the sealing effect between the valve clack 12 and the valve seat 4 can be improved, and the water inlet 5 can be prevented from flowing back from the water outlet 6, circular slot 16 has been seted up at the top of valve clack 12, the inner diapire fixedly connected with rubber pad 17 of circular slot 16, the bottom of valve rod 10 and the inner diapire fixed connection of circular slot 16, valve rod 10 is pegged graft with rubber pad 17's inside, circular slot 16 and T shape fixed column 8's bottom mutual adaptation, when rivers open valve clack 12, make valve clack 12 rebound, thereby make T shape fixed column 8's bottom be located circular slot 16's inside, and under rubber pad 17's effect, can reduce the wearing and tearing condition between T shape fixed column 8 and the valve clack 12, thereby improve the device's life.

The inner bottom wall of the circular groove 16 is fixedly connected with a guide rod 18, the bottom of the T-shaped fixing column 8 is provided with two guide holes 19, the number of the guide rods 18 and the number of the guide holes 19 are two, the guide rods 18 are movably inserted into the guide holes 19, and the valve clack 12 can be limited under the action of the guide rods 18 and the guide holes 19, so that the valve clack 12 is more stable when moving up and down, thereby improving the opening and closing effect of the device, the guide rods 18 are inserted into the rubber pads 17, the bottom of the valve clack 12 is fixedly connected with a sealing block 20, the bottom of the sealing block 20 is provided with a circular platform groove 21, the bottom diameter of the circular platform groove 21 is larger than the top diameter, the bottom of the sealing block 20 is fixedly connected with an O-shaped ring 22, the circular platform groove 21 is communicated with the top of the sealing block 20, the sealing block 20 is cylindrical, the side surface of the sealing block 20 is lapped with the inner side wall of the circulation hole 7, the side surface of the O-shaped ring 22 is lapped with the inner side wall of the circulation hole 7, under the effect of sealed piece 20 and O type circle 22, can improve the sealed effect between sealed piece 20 and the opening 7, and through setting up round platform groove 21, when rivers entered into the inside of round platform groove 21 for the impact strength gathering of rivers is put at central point, and then is convenient for open valve clack 12.

When the device is used, water flow enters the water inlet 5 from the left side of the device and flows to the circulation hole 7 from the water inlet 5, and impacts the bottom of the valve clack 12 through the flowing water flow, the circular truncated cone groove 21 which penetrates through the sealing block 20 up and down is formed in the sealing block, so that the water flow is gathered at the top position of the circular truncated cone groove 21, the inner side wall of the circular truncated cone groove 21 is inclined, so that the water flow moves to the middle position of the bottom of the valve clack 12, the valve clack 12 moves upwards and is more stable when moving, the valve rod 10 moves upwards in the movable groove 9, the guide rod 18 moves upwards in the guide hole 19 and is under the action of the guide rod 18 and the guide hole 19, so that the valve clack 12 can be limited, the valve clack 12 is prevented from rotating and deviating, the stability of the valve clack 12 when moving is improved, and the top end of the valve rod 10 is overlapped with the bottom of the rubber block 11, thereby can reduce the wearing and tearing condition to the valve rod 10 top, make the bottom of T shape fixed column 8 be located the inside of circular slot 16 simultaneously to make the top overlap joint of the bottom of T shape fixed column 8 and rubber pad 17, thereby can protect valve clack 12, reduce wearing and tearing, thereby improved the device's life.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but check valve of quick start-stop, includes valve body (1), its characterized in that: the valve cover (2) is arranged at the top of the valve body (1), the valve cover (2) is fixedly installed with the valve body (1) through a bolt (3), a valve seat (4) is arranged inside the valve body (1), a water inlet (5) is formed in the left side of the valve body (1), a water outlet (6) is formed in the right side of the valve body (1), a circulation hole (7) is formed in the valve seat (4), a T-shaped fixing column (8) is fixedly connected to the bottom of the valve cover (2), a movable groove (9) is formed in the bottom of the T-shaped fixing column (8), a valve rod (10) is movably inserted into the movable groove (9), a rubber block (11) is fixedly connected to the inner top wall of the movable groove (9), a valve clack (12) is arranged at the bottom of the valve rod (10), and a fixing ring (13) is fixedly connected to the top of the valve seat (4), an annular groove (14) is formed in the bottom of the valve clack (12), and a sealing ring (15) is fixedly connected to the inner top wall of the annular groove (14).

2. The check valve capable of being opened and closed quickly according to claim 1, wherein: the valve comprises a valve clack (12), a circular groove (16) is formed in the top of the valve clack (12), a rubber pad (17) is fixedly connected to the inner bottom wall of the circular groove (16), the bottom end of a valve rod (10) is fixedly connected with the inner bottom wall of the circular groove (16), the valve rod (10) is inserted into the rubber pad (17), and the circular groove (16) is matched with the bottom of a T-shaped fixing column (8).

3. The check valve capable of being opened and closed quickly according to claim 2, wherein: the inner bottom wall of the circular groove (16) is fixedly connected with a guide rod (18), the bottom of the T-shaped fixing column (8) is provided with a guide hole (19), the guide rod (18) is movably inserted into the guide hole (19), and the guide rod (18) is inserted into the rubber pad (17).

4. The check valve capable of being opened and closed quickly according to claim 1, wherein: the bottom fixedly connected with of valve clack (12) seals piece (20), round platform groove (21) have been seted up to the bottom of sealed piece (20), the bottom fixedly connected with O type circle (22) of sealed piece (20).

5. The check valve capable of being opened and closed quickly according to claim 4, wherein: the circular platform groove (21) is communicated with the top of the sealing block (20), the sealing block (20) is cylindrical, the side surface of the sealing block (20) is overlapped with the inner side wall of the circulation hole (7), and the side surface of the O-shaped ring (22) is overlapped with the inner side wall of the circulation hole (7).

6. The check valve capable of being opened and closed quickly according to claim 1, wherein: the water inlet (5) is communicated with the circulation hole (7), the water outlet (6) is communicated with the circulation hole (7), the bottom of the valve clack (12) is overlapped with the top of the valve seat (4), the fixing ring (13) is located inside the annular groove (14), the fixing ring (13) is matched with the annular groove (14), and the top of the fixing ring (13) is overlapped with the bottom of the sealing ring (15).