CN210770370U

CN210770370U - Anti-leakage ball valve

Info

Publication number: CN210770370U
Application number: CN201921390829.1U
Authority: CN
Inventors: 张红军
Original assignee: Hangzhou Lanpa Fluid Control Equipment Co Ltd
Current assignee: Hangzhou Lanpa Fluid Control Equipment Co Ltd
Priority date: 2019-08-25
Filing date: 2019-08-25
Publication date: 2020-06-16
Anticipated expiration: 2029-08-25

Abstract

The utility model relates to the technical field of valves, in particular to a leakage-proof ball valve, which comprises a ball valve body, a ball body and a leakage-proof mechanism, wherein a circular circulation channel is arranged in the middle of the ball valve body, the ball body is axially connected in the circulation channel, a closed channel which penetrates through the ball body is arranged on the ball body along the extending direction of the circulation channel, a rotating shaft which extends to the outer side of the ball valve body is arranged at the upper end of the ball valve body, the leakage-proof mechanism comprises sealing mechanisms which are symmetrically arranged at the two sides of the ball body, each sealing mechanism comprises a circular rubber air bag which is fixed in the circulation channel, a clamping groove is arranged in the circulation channel, a plurality of buckles are fixedly arranged in the clamping groove, the rubber air bags are clamped in the buckles, the rubber air bags are respectively provided with an air transmission pipeline which extends to the, the device can prevent the leakage of the liquid to be conveyed and prolong the service life of the device.

Description

Anti-leakage ball valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to prevent leaking ball valve.

Background

The ball valve is a valve which is driven by a valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. Ball valve classification: pneumatic ball valves, electric ball valves, manual ball valves.

The ball valve has a fine gap between the ball body and the ball valve body, so that leakage occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent leaking ball valve.

To achieve the purpose, the utility model adopts the following technical proposal:

the anti-leakage ball valve comprises a ball valve body, a ball body and an anti-leakage mechanism, wherein a circular circulation channel is arranged in the middle of the ball valve body, the ball body is connected in the circulation channel in a shaft mode, a closed channel penetrating through the ball body is arranged on the ball body along the extending direction of the circulation channel, a shaft seat is fixedly arranged at the lower end of the ball body and is in shaft connection with the ball valve body, a rotating shaft extending to the outer side of the ball valve body is arranged at the upper end of the ball valve body, a driving device for driving the rotating shaft to rotate is further arranged on the ball valve body, the anti-leakage mechanism comprises sealing mechanisms symmetrically arranged on two sides of the ball body, each sealing mechanism comprises a circular rubber air bag fixed in the circulation channel, a clamping groove is formed in the circulation channel, a plurality of clamping buckles are fixedly arranged in the clamping grooves, and each rubber air bag is provided with an air conveying, the gas transmission pipeline is fixedly connected to the flow dividing pipe, the ball valve body is further provided with an inflating mechanism, and the two ends of the ball valve body are further provided with connectors for connecting pipelines.

As a preferred scheme of the anti-leakage ball valve, a fixed seat is arranged on one side of the ball valve body, which is located on the gas transmission pipeline, a groove is arranged on the fixed seat, the shunt pipe is clamped in the groove, a first connecting part is arranged on the shunt pipe, and a threaded part is arranged on the first connecting part.

As a preferred scheme of preventing leaking the ball valve, aerify the mechanism including mounting bracket, air pump and pipeline, mounting bracket fixed mounting is on the ball valve body, and air pump fixed mounting is on the mounting bracket, pipeline and the output fixed connection of air pump, and pipeline's tip is provided with second connecting portion, and second connecting portion are provided with the thread groove with screw thread portion cooperation threaded connection.

As a preferable scheme of the anti-leakage ball valve, a protection box for protecting the air pump is further fixedly arranged on the mounting frame.

As a preferred scheme of the leakproof ball valve, the driving device comprises a mounting box, a gear, a threaded rod and mounting seats symmetrically arranged in the mounting box, the mounting box is fixedly arranged on the ball valve body, a rotating shaft penetrates through the ball valve body and extends into the mounting box, the gear is fixedly arranged at the end of the rotating shaft, the threaded rod is connected to the mounting seats in a shaft-to-shaft manner and is meshed with the gear, and a power mechanism for driving the threaded rod to rotate is further arranged on the mounting box.

As a preferable scheme of the anti-leakage ball valve, the power mechanism comprises a rotating frame, the end part of the threaded rod is fixedly connected with an extending part extending to the side part of the mounting box, and the rotating frame is fixedly arranged at the end part of the extending part.

As a preferable scheme of the leakproof ball valve, a plurality of threaded holes for connecting pipelines are uniformly arranged on the interface.

The utility model has the advantages that:

1. this prevent leaking ball valve all is provided with the rubber gasbag in spheroidal both sides, and after the spheroid rotates, the air pump inflates to the shunt tubes, then fills gas into the rubber gasbag through the gas transmission pipeline in, then the inflation of rubber gasbag just can make rubber gasbag and spheroid laminating for clearance between spheroid and the runner tube is kept apart, realizes preventing leaking of ball valve.

2. This prevent leaking ball valve evenly is provided with the screw hole on the interface at both ends, can be convenient connect the ball valve on the pipeline to very convenient to detach, thereby can be to cleaning in the valve body and part change etc. have saved plenty of time and financial resources.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the first split structure of the present invention.

Fig. 3 is a schematic diagram of the split structure of the present invention.

In the figure: the ball valve comprises a ball valve body 1, a ball body 2, a flow channel 3, a closed channel 4, a rotating shaft 5, a rubber air bag 6, a clamping groove 7, an air conveying pipeline 8, a flow dividing pipe 9, an air inflation mechanism 10, a connector 11, a fixed seat 12, a groove 13, a first connecting portion 14, a mounting frame 15, an air pump 16, a conveying pipeline 17, a second connecting portion 18, a protection box 19, a mounting box 20, a gear 21, a threaded rod 22, a mounting seat 23, a rotating frame 24, an extending portion 25 and a threaded hole 26.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a leakage-proof ball valve includes a ball valve body 1, a ball body 2 and a leakage-proof mechanism, a circular flow passage 3 is provided in the middle of the ball valve body 1, the ball body 2 is coupled in the flow passage 3, a closed passage 4 penetrating the ball body 2 is provided on the ball body 2 along the extending direction of the flow passage 3, a shaft seat is fixedly provided at the lower end of the ball body 2, the shaft seat is coupled to the ball valve body 1, a rotating shaft 5 extending to the outer side of the ball valve body 1 is provided at the upper end of the ball valve body 1, a driving device for driving the rotating shaft 5 to rotate is further provided on the ball valve body 1, the leakage-proof mechanism includes sealing mechanisms symmetrically provided at both sides of the ball body 2, the sealing mechanisms include annular rubber airbags 6 fixed in the flow passage 3, a clamping groove 7 is provided in the flow passage 3, and a plurality of buckles are fixedly provided in, the rubber air bag 6 is clamped in the buckle, the rubber air bag 6 is provided with an air transmission pipeline 8 extending to the outer side of the ball valve body 1, the air transmission pipeline 8 is fixedly connected to the shunt pipe 9, the ball valve body 1 is further provided with an inflating mechanism 10, and the two ends of the ball valve body 1 are further provided with connectors 11 used for connecting pipelines. When the device is used, the driving device drives the rotating shaft 5 to rotate, so that the closed channel 4 on the ball body 2 is communicated with the circulation channel 3, the inflating mechanism 10 is started, the inflating mechanism 10 inflates the rubber air bag 6, the rubber air bag 6 starts to expand and deform after being inflated until the rubber air bag 6 contacts with the outer wall of the gas, the sealing of the gap between the ball body 2 and the circulation channel 3 is realized, and the purpose of preventing leakage is realized.

A fixed seat 12 is arranged on one side, located on the gas transmission pipeline 8, of the ball valve body 1, a groove 13 is formed in the fixed seat 12, the shunt pipe 9 is clamped in the groove 13, a first connecting portion 14 is arranged on the shunt pipe 9, and a threaded portion is arranged on the first connecting portion 14. When the air bag 6 needs to be discharged, the air in the rubber air bag 6 can be discharged by separating the first connecting part 14 from the second connecting part 18.

The inflation mechanism 10 comprises an installation frame 15, an air pump 16 and a conveying pipeline 17, the installation frame 15 is fixedly installed on the ball valve body 1, the air pump 16 is fixedly installed on the installation frame 15, the conveying pipeline 17 is fixedly connected with the output end of the air pump 16, the end part of the conveying pipeline 17 is provided with a second connecting part 18, and the second connecting part 18 is provided with a thread groove matched with the thread part in a threaded connection mode.

A protection box 19 for protecting the air pump 16 is also fixedly arranged on the mounting frame 15.

The driving device comprises a mounting box 20, a gear 21, a threaded rod 22 and a mounting seat 23 symmetrically arranged in the mounting box 20, wherein the mounting box 20 is fixedly arranged on the ball valve body 1, the rotating shaft 5 penetrates through the ball valve body 1 and extends into the mounting box 20, the gear 21 is fixedly arranged at the end part of the rotating shaft 5, the threaded rod 22 is coupled on the mounting seat 23, the threaded rod 22 is meshed with the gear 21 and is connected with the gear 21, and a power mechanism for driving the threaded rod 22 to rotate is further arranged on the mounting box 20. When the sphere 2 needs to be driven to rotate, the gear 21 meshed with the threaded rod 22 can be driven to rotate synchronously by rotating the threaded rod 22, so that the rotating shaft 5 is driven to rotate, and finally the sphere 2 is rotated.

The power mechanism comprises a rotating frame 24, an extending part 25 extending to the side part of the mounting box 20 is fixedly connected to the end part of the threaded rod 22, and the rotating frame 24 is fixedly arranged at the end part of the extending part 25.

A plurality of threaded holes 26 for connecting pipes are uniformly arranged on the interface 11.

The working principle is as follows: when the device is used, the driving device drives the rotating shaft 5 to rotate, so that the closed channel 4 on the ball body 2 is communicated with the circulation channel 3, the inflating mechanism 10 is started, the inflating mechanism 10 inflates the rubber air bag 6, the rubber air bag 6 starts to expand and deform after being inflated until the rubber air bag 6 contacts with the outer wall of the gas, the sealing of the gap between the ball body 2 and the circulation channel 3 is realized, and the purpose of preventing leakage is realized.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A leak-proof ball valve, characterized in that: comprises a ball valve body (1), a ball body (2) and a leakage-proof mechanism, wherein a circular circulation channel (3) is arranged in the middle of the ball valve body (1), the ball body (2) is axially connected in the circulation channel (3), a closed channel (4) which penetrates through the ball body (2) is arranged on the ball body (2) in the extending direction of the circulation channel (3), an axle seat is fixedly arranged at the lower end of the ball body (2), the axle seat is axially connected with the ball valve body (1), a rotating shaft (5) which extends to the outer side of the ball valve body (1) is arranged at the upper end of the ball valve body (1), a driving device which drives the rotating shaft (5) to rotate is also arranged on the ball valve body (1), the leakage-proof mechanism comprises sealing mechanisms which are symmetrically arranged at the two sides of the ball body (2), and the sealing mechanisms comprise annular rubber air bags (6) which are fixed in the circulation, be provided with draw-in groove (7) in circulation passageway (3), draw-in groove (7) internal fixation is provided with a plurality of buckles, rubber gasbag (6) card is established in the buckle, rubber gasbag (6) all are provided with gas transmission pipeline (8) that extend to the ball valve body (1) outside, the equal fixed connection of gas transmission pipeline (8) is on shunt tubes (9), still install on ball valve body (1) and aerify mechanism (10), the both ends of ball valve body (1) still are provided with interface (11) that are used for connecting tube.

2. A leak-resistant ball valve as defined in claim 1, wherein: one side that ball valve body (1) is located gas transmission pipeline (8) is provided with fixing base (12), be provided with recess (13) on fixing base (12), shunt tubes (9) card is established in recess (13), be provided with first connecting portion (14) on shunt tubes (9), be provided with screw thread portion on first connecting portion (14).

3. A leak-resistant ball valve as defined in claim 2, wherein: aerify mechanism (10) including mounting bracket (15), air pump (16) and pipeline (17), mounting bracket (15) fixed mounting is on ball valve body (1), and air pump (16) fixed mounting is on mounting bracket (15), and pipeline (17) and the output fixed connection of air pump (16), the tip of pipeline (17) are provided with second connecting portion (18), and second connecting portion (18) are provided with the thread groove with screw thread portion cooperation threaded connection.

4. A leak-resistant ball valve as defined in claim 3, wherein: and a protection box (19) for protecting the air pump (16) is fixedly arranged on the mounting rack (15).

5. A leak-resistant ball valve as defined in claim 4, wherein: the driving device comprises a mounting box (20), a gear (21), a threaded rod (22) and a mounting seat (23) which is symmetrically arranged in the mounting box (20), the mounting box (20) is fixedly arranged on a ball valve body (1), the rotating shaft (5) penetrates through the ball valve body (1) and extends into the mounting box (20), the gear (21) is fixedly arranged at the end part of the rotating shaft (5), the threaded rod (22) is coupled on the mounting seat (23), the threaded rod (22) is meshed with the gear (21) and connected, and a power mechanism for driving the threaded rod (22) to rotate is further arranged on the mounting box (20).

6. A leak-resistant ball valve as defined in claim 5, wherein: the power mechanism comprises a rotating frame (24), an extending part (25) extending to the side part of the mounting box (20) is fixedly connected to the end part of the threaded rod (22), and the rotating frame (24) is fixedly arranged at the end part of the extending part (25).

7. A leak-resistant ball valve as defined in claim 6, wherein: the connector (11) is uniformly provided with a plurality of threaded holes (26) for connecting pipelines.