CN218718941U

CN218718941U - Pneumatic switch ball valve

Info

Publication number: CN218718941U
Application number: CN202222509044.XU
Authority: CN
Inventors: 张鼓掌; 张文博; 陈翠萍
Original assignee: Jiangsu Aka Automatic Control Valve Co ltd
Current assignee: Jiangsu Aka Automatic Control Valve Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-24
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to a mechanical engineering technical field, and disclose pneumatic switch ball valve, including the shell, and the sealed cowling of shell below and input pipeline and the output pipeline that the sealed cowling both sides are connected, first air chamber has been seted up in the inside left side of shell, and the third air chamber has been seted up on the shell right side, and the left side of third air chamber is provided with the second air chamber, and second air chamber and third air chamber intercommunication, the interior movable mounting of first air chamber have the promotion post, and promotion post right side is connected with the push rod, fixedly connected with back-pushing post on the opposite side of push rod. The utility model discloses in, get into gaseous volume through the control air inlet and change the atmospheric pressure in the first air chamber to remove and promote the post, the tooth piece is installed to the below of push rod, and the meshing has a rotating gear on the tooth piece, and the size through control atmospheric pressure can accurately control turned angle at the cooperation gear, installs the mark dish of taking the scale on the connecting rod, can accurate control valve port size, and its operating condition is known to the state of being convenient for simultaneously observing the valve.

Description

Pneumatic switch ball valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to pneumatic switch ball valve.

Background

The working principle of the pneumatic ball valve is to rotate a valve core to open or close the valve. The pneumatic ball valve has the advantages of light switch, small volume, large caliber, reliable sealing, simple structure, convenient maintenance, closed sealing surface and spherical surface, difficult erosion by medium, and wide application in various industries

Through my retrieval, patent number CN214036963U discloses a pneumatic switch ball valve with a support, including valve body and pneumatic actuator, pneumatic actuator is located the upper end of valve body, the lower extreme of valve body is provided with the base, the lower extreme fixedly connected with spliced pole of base, it is connected with the bedplate to rotate on the spliced pole, be connected with the fixed block on the spliced pole, the bedplate is located between fixed block and the base, a pair of second through-hole has been seted up on the bedplate.

The device can only singly control the opening and closing of the ball valve, can not meet the requirement when the flow is required to be controlled, does not have a switch mark on the valve, and cannot acquire effective information in time during inspection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, consequently, the person provides pneumatic switch ball valve.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, the pneumatic switch ball valve, which comprises an outer shell, and the sealed cowling of shell below, and input pipeline and output pipeline that the sealed cowling both sides are connected, first air chamber has been seted up in the inside left side of shell, the third air chamber has been seted up on the shell right side, the left side of third air chamber is provided with the second air chamber, second air chamber and third air chamber intercommunication, the interior movable mounting of first air chamber has the promotion post, it is connected with the push rod to promote the post right side, fixedly connected with back-push post on the opposite side of push rod, back-push post movable mounting is in the second air chamber, install resilient means in the third air chamber, resilient means and back-push post connection.

Preferably, a connecting rod is arranged between the shell and the sealing cover, a rotating gear is arranged at the top end of the connecting rod, a tooth block is arranged below the push rod, and the rotating gear is meshed with the tooth block.

Preferably, a scale is fixedly mounted on the connecting rod, scales are arranged above the scale, and an indicating block is fixedly mounted above the position corresponding to the scale on the connecting rod.

Preferably, a switch valve is arranged in the sealing cover, a spherical valve port is formed in the position, corresponding to the input pipeline and the output pipeline, of the switch valve, the connecting rod penetrates through the sealing cover, and the switch valve is fixedly connected to the connecting rod.

Preferably, the joint of the ball valve port and the input pipeline and the output pipeline is provided with a sealing ring.

Preferably, the housing is provided with an air inlet and an air outlet on a side corresponding to the first air chamber, and the air inlet and the air outlet are communicated with the first air chamber.

Advantageous effects

The utility model provides a pneumatic switch ball valve. The method has the following beneficial effects:

(1) This pneumatic switch ball valve changes the atmospheric pressure in the first air chamber through the volume that the control air inlet got into gas to remove and promote the post, installed the push rod on the promotion post, the tooth piece is installed to the below of push rod, and the meshing has a rotating gear on the tooth piece, and the size through control atmospheric pressure can accurately control turned angle at the cooperation gear, reaches the effect of accurate control valve port flow.

(2) This pneumatic switch ball valve installs the scale mark dish of taking the scale on the connecting rod, is equipped with the instruction piece on the connecting rod, can conveniently observe the ooff valve in inside pivoted angle, reaches the effect that lets the inspector acquire control valve information fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment still falls within the range which can be covered by the technical content disclosed by the present invention without affecting the function and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

Illustration of the drawings: 1. a housing; 2. a first air chamber; 3. a second air chamber; 4. a third air chamber; 5. pushing the column; 6. pushing back the column; 7. an elastic device; 8. a push rod; 9. a tooth block; 10. a rotating gear; 11. a connecting rod; 12. an indication block; 13. marking a plate; 14. calibration; 15. a sealing cover; 16. an on-off valve; 17. a spherical valve port; 18. an input pipe; 19. a seal ring; 20. an output pipe; 21. an air inlet; 22. and (4) an air release port.

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.

Example 1: pneumatic switch ball valve, as shown in fig. 1, including shell 1, and the sealed cowling 15 of shell 1 below, and input pipeline 18 and output pipeline 20 that sealed cowling 15 both sides welded, first air chamber 2 has been seted up on the inside left side of shell 1, third air chamber 4 has been seted up to shell 1 right side, the left side of third air chamber 4 is provided with second air chamber 3, second air chamber 3 and third air chamber 4 intercommunication, the interior movable mounting of first air chamber 2 has promotion post 5, the left side movable mounting of promotion post 5 has the piston, ensure that the air can make promotion post 5 activity, the right side of first air chamber 2 is seted up porosely, promotion post 5 right side is connected with push rod 8, push rod 8 passes the trompil on first air chamber 2 right side, it is porosely also to correspond push rod 8 on the left side of second air chamber 3, fixedly connected with back push column 6 on the opposite side of push rod 8, back push column 6 movable mounting is inside second air chamber 3, install resilient means 7 in third air chamber 4, resilient means 7 is preferably equal spring as, spring and back column 6 are connected, the connection, the spring and third air chamber 4 left side inner wall fixed connection, be equipped with the distance that is not connected between first air chamber 2 and the second air chamber 3, be equipped with the space 8 between.

Example 2: pneumatic switch ball valve, as shown in fig. 2 and 3, be provided with connecting rod 11 between shell 1 and the sealed cowling 15, the fixed slot of fixed link 11 is seted up to the bottom of shell 1, connecting rod 11 top is provided with rotating gear 10, rotating gear 10 fixed welding is on connecting rod 11, the below of push rod 8 sets up tooth piece 9, rotating gear 10 meshing is on tooth piece 9, tooth piece 9 can drive rotating gear 10 and rotate, rotating gear 10 drives connecting rod 11 and rotates, fixed mounting has scale 13 on the connecting rod 11, the top of scale 13 is provided with scale 14, there is indicator block 12 at the position top fixed mounting who corresponds scale 13 on the connecting rod 11, indicator block 12 can rotate thereupon when connecting rod 11 rotates, scale 14 that indicator block 12 can point to on the scale 13 corresponds numerical value, convenient observation.

Further, a switch valve 16 is arranged inside the sealing cover 15, the switch valve 16 can move inside the sealing cover 15, a spherical valve port 17 is formed in the position, corresponding to the input pipeline 18 and the output pipeline 20, of the switch valve 16, the spherical valve port 17 penetrates through the switch valve 16, the connecting rod 11 penetrates through the sealing cover 15, the switch valve 16 is fixedly connected to the connecting rod 11, the switch valve 16 rotates along with the connecting rod 11, a sealing ring 19 is arranged between the spherical valve port 17 and the connecting position of the input pipeline 18 and the output pipeline 20, the sealing ring 19 is fixed to the input pipeline 18 and the output pipeline 20, and the sealing ring 19 can play a role in sealing a gap after the switch valve 16 rotates.

Further, be provided with air inlet 21 and relief port 22 on the shell 1 on the one side that corresponds first air chamber 2, air inlet 21 and relief port 22 and first air chamber 2 intercommunication, relief port 22 is closed when air inlet 21 input, and relief port 22 can be opened when air inlet 21 stops, and air inlet 21 and relief port 22 can accurate control alone.

The utility model discloses a theory of operation:

when the pneumatic switch ball valve is used, the output pipeline 20 and the input pipeline 18 of the pneumatic switch ball valve are connected to a main pipeline, high-pressure air is conveyed from the air inlet 21, the air can drive the push column 5 to move rightwards, so that the tooth block 9 on the push rod 8 is driven to move, the tooth block 9 can drive the rotating gear 10 to rotate, the rotating gear 10 drives the switch valve 16 installed at the bottom of the connecting rod 11 to rotate, and the ball valve port 17 on the switch valve 16 is enabled to be turned to the input pipeline 18 and the output pipeline 20, so that the pipelines are communicated.

When the pipeline closing device needs to be closed, the air pressure for opening the air release port 22 is reduced, the elastic device 7 pushes the push back column 6, the push back column 6 drives the push rod 8 to move in the opposite direction, at the moment, the tooth block 9 on the push rod 8 drives the rotating gear 10 to rotate reversely, so that the connecting rod 11 drives the switch valve 16 to rotate reversely, the pipeline closing effect is achieved, and the closing angle can be controlled through the air pressure.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Pneumatic switch ball valve, including shell (1), and sealed cowling (15) of shell (1) below and input pipeline (18) and output pipeline (20) that sealed cowling (15) both sides are connected, its characterized in that: first air chamber (2) have been seted up on the inside left side of shell (1), third air chamber (4) have been seted up on shell (1) right side, the left side of third air chamber (4) is provided with second air chamber (3), second air chamber (3) and third air chamber (4) intercommunication, the interior movable mounting of first air chamber (2) has promotion post (5), promotion post (5) right side is connected with push rod (8), fixedly connected with back thrust post (6) on the opposite side of push rod (8), back thrust post (6) movable mounting is in second air chamber (3), install resilient means (7) in third air chamber (4), resilient means (7) and back thrust post (6) are connected.

2. A pneumatically actuated switch ball valve as claimed in claim 1, wherein: be provided with connecting rod (11) between shell (1) and sealed cowling (15), connecting rod (11) top is provided with running gear (10), the below of push rod (8) sets up tooth piece (9), running gear (10) meshing is on tooth piece (9).

3. A pneumatically actuated switch ball valve as claimed in claim 2, wherein: fixed mounting has mark dish (13) on connecting rod (11), the top of mark dish (13) is provided with scale (14), there is instruction piece (12) at the position top fixed mounting who corresponds mark dish (13) on connecting rod (11).

4. A pneumatically actuated switch ball valve as claimed in claim 3, wherein: the sealing cover (15) is internally provided with a switch valve (16), the switch valve (16) is provided with a spherical valve port (17) at the position corresponding to the input pipeline (18) and the output pipeline (20), the connecting rod (11) penetrates through the sealing cover (15), and the switch valve (16) is fixedly connected to the connecting rod (11).

5. A pneumatically actuated switch ball valve as claimed in claim 4, wherein: and a sealing ring (19) is arranged at the joint of the sphere valve port (17) and the input pipeline (18) and the output pipeline (20).

6. A pneumatically actuated switch ball valve as claimed in claim 1, wherein: the air inlet (21) and the air release opening (22) are arranged on one side of the shell (1) corresponding to the first air chamber (2), and the air inlet (21) and the air release opening (22) are communicated with the first air chamber (2).