CN210218836U

CN210218836U - Self-closing valve

Info

Publication number: CN210218836U
Application number: CN201921250426.7U
Authority: CN
Inventors: Renyu Sun; 孙仁于; Binhui Gong; 龚斌辉; Shengli Yan; 严胜利; Zhangli Lin; 林张立; Hongwei Dai; 戴宏威
Original assignee: ZHEJIANG VALOGIN TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG VALOGIN TECHNOLOGY Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-03-31
Anticipated expiration: 2029-08-02

Abstract

The utility model provides a self-closing valve belongs to valve technical field. It has solved the problem of current valve and has opened and close inefficiency. The self-closing valve comprises a valve rod and a valve body, wherein the inner end of the valve rod extends into the valve body, the outer end of the valve rod extends out of the valve body and is axially limited by a handle, an elastic part is further arranged in the valve rod, the outer end of the valve rod penetrates through the handle, a limiting part is further connected to the outer end of the valve rod and can abut against the top of the handle, a plurality of first grooves which are recessed downwards are further uniformly distributed on the top surface of the valve body around the valve rod, a second groove which is recessed upwards is formed in the bottom surface of the handle, balls are further arranged between the handle and the top of the valve body and are arranged in the first grooves, the upper parts of the balls can partially extend into the second grooves, and when the handle rotates circumferentially around the axis of the valve rod, the. The self-closing valve has the advantage of convenience in operation.

Description

Self-closing valve

Technical Field

The utility model belongs to the technical field of the valve, a self-closing valve is related to.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveying medium and the like, is the most common product in pipeline control at present, and is widely applied to various fields. According to different purposes and functions, the ball valve can be divided into a ball valve, a stop valve, a check valve and the like.

The structure of the stop valve generally includes a valve body, a valve flap, and a valve rod for driving the valve flap to move up and down. When the stop valve is used in practice, the water gap is sealed by adopting a mode that the threaded rod is rotated and pressed downwards, the efficiency of opening and closing the water gap is lower, and the work is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a self-closing valve, the technical problem that solve provides a valve that can open and close fast.

The purpose of the utility model can be realized by the following technical proposal:

a self-closing valve comprises a valve rod and a valve body with a liquid passing channel, wherein the inner end of the valve rod extends into the valve body, the outer end of the valve rod extends out of the valve body and is axially limited with a handle, an elastic element is further arranged in the valve body, the valve rod can move towards the valve body under the elastic action of the elastic element and blocks the liquid passing channel, the outer end of the valve rod penetrates through the handle, a limiting element is further connected with the outer end of the valve rod, the limiting element can move towards the valve body along with the valve rod under the elastic action of the elastic element and is abutted against the top of the handle, a plurality of first grooves which are recessed downwards are uniformly distributed on the top surface of the valve body around the valve rod, a second groove which is recessed upwards is formed in the bottom surface of the handle, a ball is further arranged between the handle and the top of the valve body, and is arranged in the first groove, and the upper part of, and when the handle rotates around the axis of the valve rod in the circumferential direction, the ball can be separated from the second groove and is abutted against the bottom surface of the handle.

When the self-closing valve is closed, the positions of the first groove and the second groove correspond, the lower part and the upper part of the ball are respectively located in the first groove and the second groove, and the handle, the limiting part and the valve rod automatically move downwards under the elastic action of the elastic part and block a liquid passing channel in the valve body. When the valve needs to be opened, the handle is rotated in the circumferential direction, so that the balls roll out of the two grooves in the bottom of the handle and abut against the lower bottom surface of the bottom of the handle, the handle is jacked up, the valve rod can be driven to move towards the outer side of the valve body through the limiting part, and the liquid passing channel is opened. In the working process, the opening and closing of the valve can be realized by only rotating the handle and corresponding or staggering the positions of the first groove and the second groove, the operation of operating the handle for several circles is not needed, and the opening and closing are quick.

In the self-closing valve, the first grooves, the second grooves and the balls are the same in number and are arranged in a one-to-one correspondence manner, and a distance is reserved between every two adjacent first grooves and every two adjacent second grooves.

In the self-closing valve, the self-closing valve further comprises a ring-shaped limiting piece, the limiting piece is located between the handle and the valve body and sleeved outside the valve rod, the edge of the limiting piece is provided with limiting ports with the same number as the number of the balls, and the balls are located in the limiting ports in a one-to-one correspondence manner.

In the above self-closing valve, the edge of the limiting port on the limiting sheet is provided with a flange turned upwards and/or downwards.

In the self-closing valve, the first groove and the top surface of the valve body are in arc transition, and the second groove and the bottom surface of the handle are in arc transition.

In the self-closing valve, the handle comprises a circular cover body and a handle body which is in a long rod shape and is horizontally fixed on the outer side of the cover body, the outer edge of the bottom of the cover body is provided with a circular turnover part which is turned over downwards, and the position of the turnover part is opposite to the position of the ball.

In the above self-closing valve, the limiting member comprises a nut screwed to the outer end of the valve rod and a plug pin sequentially penetrating through the nut and the valve rod.

In the above self-closing valve, the valve body comprises a main body with a liquid passing channel and a valve cap screwed on the top of the main body, the elastic member is annular, one end of the elastic member abuts against the valve rod, and the other end of the elastic member acts on the inner side of the top of the valve cap.

In the above self-closing valve, an annular spring seat and a gasket are further sequentially arranged between the end of the elastic member and the top of the valve cap.

Compared with the prior art, the self-closing valve has the advantages that the design of the ball structure is adopted, the opening of the valve can be realized only by rotating the handle by a small angle, the valve can be closed under the elastic action of the elastic part by rotating the handle by a small angle again, and the operation is convenient and fast.

Drawings

FIG. 1 is a schematic cross-sectional view of the self-closing valve.

FIG. 2 is an exploded view of the present self-closing valve.

In the figure, 1, a valve rod; 2. a liquid passing channel; 3. a valve body; 4. a handle; 5. an elastic member; 6. a limiting member; 7. a first groove; 8. a second groove; 9. a ball bearing; 10. a limiting sheet; 11. a cover body; 12. a handle body; 13. a folding part; 14. a bonnet; 15. a main body; 16. a spring seat; 17. and (7) a gasket.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the self-closing valve comprises a valve rod 1 and a valve body 3 with a liquid passing channel 2, wherein the inner end of the valve rod 1 is connected with a sealing gasket, the end of the valve rod 1 extends into the valve body 3, and the outer end of the valve rod 1 extends out of the valve body 3 and is axially limited with a handle 4. An elastic part 5 is further arranged in the valve body 3, and the valve rod 1 can move in the valve body 3 under the elastic action of the elastic part 5 and the liquid passing channel 2 is blocked by a sealing gasket. In this embodiment, the valve body 3 comprises a main body 15 having the liquid passing passage 2 and a bonnet 14 screwed on the top of the main body 15, the outer end of the valve rod 1 passes through the bonnet 14, the elastic member 5 is a ring-shaped spring and is sleeved on the outer side of the valve rod 1, one end of the spring abuts against a protruding retaining shoulder on the side of the valve rod 1, and the other end of the spring acts on the inner side of the top of the bonnet 14 through a spring seat 16 and a gasket 17.

Specifically, the outer end of the valve rod 1 penetrates through the handle 4, the outer end of the valve rod 1 is further connected with a limiting piece 6, and the limiting piece 6 can move along with the valve rod 1 in the valve body 3 under the elastic action of the elastic piece 5 and abut against the top of the handle 4. The top surface of the valve body 3 is uniformly provided with a plurality of first grooves 7 which are recessed downwards around the valve rod 1, the bottom surface of the handle 4 is provided with a second groove 8 which is recessed upwards, balls 9 are further arranged between the handle 4 and the top of the valve body 3, the balls 9 are arranged in the first grooves 7, and the upper parts of the balls 9 can partially extend into the second grooves 8.

The handle 4 includes a circular cover 11 and a handle 12 that is long-rod and horizontally fixed outside the cover 11, the outer edge of the bottom of the cover 11 has a circular turnover part 13 that is turned over downward, and the position of the turnover part 13 is opposite to the position of the ball 9. The first grooves 7, the second grooves 8 and the balls 9 are the same in number and are arranged in a one-to-one correspondence mode, a space is reserved between each two adjacent grooves 7 and each two adjacent grooves 8, and the space is a plane which is not recessed.

In this embodiment, the number of the first grooves 7 and the second grooves 8 is at least three, and the first grooves 7 and the second grooves 8 are uniformly distributed around the axis of the valve rod 1, the cross sections of the first grooves 7 and the second grooves 8 are approximately fan-shaped, and the first grooves 7 and the top surface of the valve body 3 and the second grooves 8 and the bottom surface of the handle 4 are in arc transition. The limiting part 6 comprises a nut in threaded connection with the outer end of the valve rod 1 and a bolt sequentially penetrating through the nut and the valve rod 1.

Still be provided with between handle 4 and the valve body 3 and be the spacing piece 10 of ring slice, this spacing piece 10 cover is established in the valve rod 1 outside, and the border of spacing piece 10 has the spacing mouth that quantity is the same with ball 9, and several ball 9 one-to-one lies in the spacing mouthful of several and the edge that lies in spacing mouthful on spacing piece 10 all has the turn-ups of upwards turning over with turning over downwards.

When the self-closing valve is closed, the positions of the first groove 7 and the second groove 8 correspond to each other, the lower part and the upper part of the ball 9 are respectively positioned in the first groove 7 and the second groove 8, and the handle 4, the limiting piece 6 and the valve rod 1 automatically move downwards under the elastic action of the elastic piece 5 and block the liquid passing channel 2 in the valve body 3.

When the valve needs to be opened, the handle 4 is rotated in the circumferential direction, so that the balls 9 roll out from the two grooves 8 at the bottom of the handle 4 and are supported on the lower bottom surface at the bottom of the handle 4, the handle 4 is jacked up, the valve rod 1 can be driven to move towards the outer side of the valve body 3 through the limiting part 6, and the liquid passage 2 is opened. In the working process, the opening and closing of the valve can be realized by only rotating the handle 4 and corresponding or staggering the positions of the first groove 7 and the second groove 8, the operation of rotating the handle 4 for several circles is not needed, and the opening and closing are quick.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A self-closing valve comprises a valve rod (1) and a valve body (3) with a liquid passing channel (2), wherein the inner end of the valve rod (1) extends into the valve body (3), the outer end of the valve rod (1) extends out of the valve body (3) and is axially limited with a handle (4), the self-closing valve is characterized in that an elastic part (5) is further arranged in the valve body (3), the valve rod (1) can move towards the valve body (3) and block the liquid passing channel (2) under the elastic action of the elastic part (5), the outer end of the valve rod (1) penetrates through the handle (4), the outer end of the valve rod (1) is further connected with a limiting part (6), the limiting part (6) can move towards the valve body (3) along with the valve rod (1) and is abutted against the top of the handle (4) under the elastic action of the elastic part (5), and a plurality of downward recessed grooves (7) are uniformly distributed on the top surface of the valve body (3) around the valve rod (1), the bottom surface of handle (4) has the recessed recess two (8) that makes progress, still be provided with ball (9) between handle (4) and valve body (3) top, ball (9) set up in recess one (7) and its upper portion can partially stretch into in recess two (8), and work as handle (4) wind during the axis circumferential direction of valve rod (1), ball (9) can certainly deviate from in recess two (8) and support and lean on the bottom surface of handle (4).

2. The self-closing valve according to claim 1, wherein the first grooves (7), the second grooves (8) and the balls (9) are the same in number and are arranged in a one-to-one correspondence, and a space is reserved between each two adjacent grooves (7) and each two adjacent grooves (8).

3. The self-closing valve according to claim 2, further comprising a ring-shaped limiting piece (10), wherein the limiting piece (10) is located between the handle (4) and the valve body (3) and sleeved outside the valve rod (1), the edge of the limiting piece (10) is provided with limiting ports with the same number as the balls (9), and the balls (9) are located in the limiting ports in a one-to-one correspondence manner.

4. A self-closing valve according to claim 3, wherein the edge of the limiting piece (10) at the limiting opening is provided with a flange folded upwards and/or downwards.

5. A self-closing valve according to any of claims 1 to 4, wherein the first groove (7) is in arc transition with the top surface of the valve body (3), and the second groove (8) is in arc transition with the bottom surface of the handle (4).

6. The self-closing valve according to any one of claims 1 to 4, wherein the handle (4) comprises a circular cover body (11) and a handle body (12) which is long-rod-shaped and horizontally fixed on the outer side of the cover body (11), the outer edge of the bottom of the cover body (11) is provided with a circular turnover part (13) which is turned over downwards, and the position of the turnover part (13) is opposite to the position of the ball (9).

7. Self-closing valve according to any of claims 1 to 4, wherein the stop member (6) comprises a nut screwed onto the outer end of the valve stem (1) and a plug which passes through the nut and the valve stem (1) in sequence.

8. Self-closing valve according to any one of claims 1 to 4, wherein the valve body (3) comprises a main body (15) with a liquid through passage (2) and a bonnet (14) screwed on the top of the main body (15), the elastic member (5) is in a ring shape, one end of the elastic member (5) abuts against the valve stem (1), and the other end of the elastic member acts on the inner side of the top of the bonnet (14).

9. Self-closing valve according to claim 8, characterised in that between the end of said elastic element (5) and the top of said bonnet (14) there are arranged in sequence an annular spring seat (16) and a gasket (17).