CN215410493U

CN215410493U - Pneumatic diaphragm valve capable of detecting gas flow rate

Info

Publication number: CN215410493U
Application number: CN202121485059.6U
Authority: CN
Inventors: 陈攀
Original assignee: Zhejiang Amy Fluid Technology Co ltd
Current assignee: Zhejiang Amy Fluid Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-04
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to the technical field of pneumatic diaphragm valves and discloses a pneumatic diaphragm valve capable of detecting the flow velocity of gas. The measuring chamber, measuring stick, scale mark and the floater of design for the device can detect gaseous velocity of flow, adds the grafting end cap and the spacing hole of establishing, can carry on spacingly to the measuring stick, makes the gaseous velocity of flow of adjustment that the user can be timely make the conveying gas volume reach the work demand.

Description

Pneumatic diaphragm valve capable of detecting gas flow rate

Technical Field

The utility model relates to the technical field of pneumatic diaphragm valves, in particular to a pneumatic diaphragm valve capable of detecting the flow rate of gas.

Background

The pneumatic diaphragm valve is a special type of cut-off valve, and its opening and closing member is a diaphragm made of soft material, and can separate the inner cavity of valve body from the inner cavity of valve cover and driving component, so that it is called pneumatic diaphragm valve. The most prominent characteristic of the pneumatic diaphragm valve is that the diaphragm separates the inner cavity of the lower valve body from the inner cavity of the upper valve cover, so that the parts such as the valve rod, the valve clack and the like above the diaphragm are not corroded by media, a packing sealing structure is omitted, and the leakage of the media is avoided.

The common pneumatic diaphragm valve can not measure the flow rate of gas generally, so that the flow rate of the gas can not be adjusted in time, the quantity of the conveyed gas can not meet the working requirement, and the working requirement of the pneumatic diaphragm valve can not be met.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the pneumatic diaphragm valve capable of detecting the gas flow rate, which has the advantage of being capable of measuring the gas flow rate and solves the problems that the conventional pneumatic diaphragm valve cannot measure the gas flow rate generally, so that the gas flow rate cannot be timely adjusted, the gas conveying amount cannot meet the working requirement, and the working requirement of the pneumatic diaphragm valve cannot be met.

(II) technical scheme

In order to achieve the purpose of measuring the flow rate of the gas, the utility model provides the following technical scheme: a pneumatic diaphragm valve capable of detecting the gas flow rate comprises a vent pipe, wherein connectors are fixedly mounted on two sides of the vent pipe, a connecting plate is fixedly mounted above the vent pipe, a valve body chamber is mounted on the upper surface of the connecting plate, a valve cover is connected to the middle of the upper portion of the valve body chamber, a valve rod is fixedly connected to the bottom of the valve cover, the valve rod penetrates through the upper surface of the valve body chamber and extends into the valve body chamber, a piston is fixedly mounted at the bottom of the valve rod, a rubber diaphragm is mounted below the piston, a measuring chamber is fixedly mounted on the right side of the upper surface of the vent pipe, sliding grooves are formed in two sides of the measuring chamber, a measuring rod is mounted in the measuring chamber, a floating ball is mounted at the bottom of the measuring rod, sliding blocks are fixedly mounted on the upper portions of two sides of the measuring rod, the other ends of the sliding blocks are embedded into the sliding grooves, mounting cavities are fixedly mounted at one ends of the sliding blocks, and extension springs are transversely mounted in the mounting cavities, the other end of the extension spring is fixedly connected with a plug-in plug.

Preferably, the bottom of the valve body chamber is also welded with a connecting plate, the connecting plate of the valve body chamber is fixedly arranged on the upper surface of the connecting plate of the vent pipe, and four corners of the connecting plate are respectively connected with a threaded rod in a penetrating and screwing mode.

Preferably, the middle part of the connecting plate is in a through design, the connecting plate is communicated and connected with the vent pipe, and the valve body chamber is communicated and connected with the middle part of the connecting plate.

Preferably, the front surface of the measuring chamber is carved with scale marks, the top of the measuring rod is fixedly provided with a pointer, and the tip of the pointer is close to the scale marks.

Preferably, the bottom of the measuring rod extends into the interior of the vent pipe through the upper surface of the vent pipe.

Preferably, two side walls of the sliding chute are respectively provided with a limiting hole, the number of the limiting holes is 16-20, the limiting holes are matched with the position and the size of the plug-in plugs, and the plug-in plugs are plugged in the limiting holes.

(III) advantageous effects

Compared with the prior art, the utility model provides the pneumatic diaphragm valve capable of detecting the gas flow rate, which has the following beneficial effects:

the pneumatic diaphragm valve capable of detecting the gas flow rate comprises a measuring chamber, a measuring rod, a scale mark and a floating ball, wherein the measuring chamber, the measuring rod, the scale mark and the floating ball are designed, the device can detect the gas flow rate, when the gas flow rate is high, the floating ball can lift the measuring rod, the measuring rod can rise according to the gas flow rate, the scale mark can compare the flow rate, the splicing plug and the limiting hole are additionally arranged, the measuring rod can be limited, when the measuring rod is lifted to a certain height, the splicing plug can be spliced in the limiting hole, a user can conveniently observe the lifting height of the measuring rod, meanwhile, the telescopic spring is additionally arranged, when the measuring rod continues to move upwards, the splicing plug can be drawn out of the limiting hole, when the measuring rod rises to a certain height, the airflow can not continue to lift the measuring rod, the splicing plug can not be drawn out of the limiting hole, the use of the user is facilitated, and the phenomenon of scale error observation is avoided, the flow rate of the gas can be adjusted in time by a user, so that the amount of the delivered gas meets the working requirement.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the measuring chamber of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1. a breather pipe; 11. a connector; 12. a connecting plate; 13. a threaded rod; 2. a valve body chamber; 21. a valve cover; 22. a valve stem; 23. a piston; 24. a rubber diaphragm; 3. a measurement chamber; 31. a chute; 32. a measuring rod; 33. a floating ball; 34. a slider; 35. scale lines; 36. a pointer; 37. a limiting hole; 4. a mounting cavity; 41. a tension spring; 42. plug-in plug.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme, a pneumatic diaphragm valve capable of detecting gas flow rate, comprising a vent pipe 1, a connector 11, a connecting plate 12, a threaded rod 13, a valve body chamber 2, a valve cover 21, a valve rod 22, a piston 23, a rubber diaphragm 24, a measuring chamber 3, a chute 31, a measuring rod 32, a floating ball 33, a slider 34, a scale mark 35, a pointer 36, a limiting hole 37, a mounting cavity 4, a telescopic spring 41 and a plug 42, wherein the connector 11 is fixedly mounted on both sides of the vent pipe 1, the connecting plate 12 is fixedly mounted above the vent pipe 1, the connecting plate 12 is used for connecting the valve body chamber 2 with the vent pipe 1, the valve body chamber 2 is mounted on the upper surface of the connecting plate 12, the connecting plate 12 of the valve body chamber 2 is fixedly mounted on the upper surface of the connecting plate 12 of the vent pipe 1, the threaded rod 13 is screwed at four corners of the connecting plate 12, the threaded rod 13 improves the connection stability of the connector 11, the middle part of the connecting plate 12 is a through design, the connecting plate 12 is communicated and connected with the vent pipe 1, the valve body chamber 2 is communicated and connected with the middle part of the connecting plate 12, the middle part above the valve body chamber 2 is connected with the valve cover 21, the bottom of the valve cover 21 is fixedly connected with the valve rod 22, the valve rod 22 penetrates through the upper surface of the valve body chamber 2 and extends into the valve body chamber 2, the bottom of the valve rod 22 is fixedly provided with the piston 23, the lower part of the piston 23 is provided with the rubber diaphragm 24, various structural forms and control forms are applicable to various fluid control requirements, the right side of the upper surface of the vent pipe 1 is fixedly provided with the measuring chamber 3, the two sides of the measuring chamber 3 are respectively provided with the sliding grooves 31, the sliding grooves 31 and the sliding blocks 34 are convenient for the up and down movement of the measuring rod 32, meanwhile, the measuring rod 32 can be limited, and the measuring rod 32 is arranged inside the measuring chamber 3, the bottom of the measuring rod 32 penetrates through the upper surface of the air pipe 1 and extends into the air pipe 1, the bottom of the measuring rod 32 is provided with a floating ball 33, the floating ball 33 is used for jacking the measuring rod 32, the upper parts of two sides of the measuring rod 32 are respectively and fixedly provided with a sliding block 34, the other end of the sliding block 34 is respectively embedded into the sliding chute 31, the front surface of the measuring chamber 3 is carved with a scale mark 35, the top of the measuring rod 32 is fixedly provided with a pointer 36, the tip of the pointer 36 is close to the scale mark 35, the pointer 36 is convenient for a user to see the speed of the gas flow rate, two side walls of the sliding chute 31 are respectively provided with a limiting hole 37, the number of the limiting holes 37 is 16-20, the limiting holes 37 are matched with the position and the size of the plug 42, the plug 42 is plugged into the limiting holes 37, one end of the sliding block 34 is respectively and fixedly provided with the mounting cavity 4, and the telescopic spring 41 is respectively and transversely arranged in the mounting cavity 4, the other end of the extension spring 41 is fixedly connected with an inserting plug 42, the inserting plug 42 and the limiting hole 37 are used for limiting and fixing the measuring rod 32, and a user can observe the height of the measuring rod 32.

The working principle of the device is as follows: when the gas flow rate is high, the floating ball 33 will lift the measuring rod 32, the measuring rod 32 will rise according to the gas flow rate, the scale mark 35 can compare the flow rate, and the plug 42 and the limiting hole are additionally arranged to limit the measuring rod 32, when the measuring rod 32 is lifted to a certain height, the plug 42 will be plugged into the limiting hole, so that the user can conveniently observe the height of the lifting measuring rod 32, meanwhile, the extension spring 41 is additionally arranged, so that when the measuring rod 32 continues to move upwards, the plugging plug 42 can be drawn out from the limiting hole 37, when the measuring rod 32 rises to a certain height and the airflow cannot continuously lift the measuring rod 32, the plugging plug 42 cannot be drawn out from the limiting hole 37, thereby facilitating the use of a user, meanwhile, the phenomenon of error in scale observation is avoided, and a user can adjust the flow rate of gas in time to enable the quantity of the conveyed gas to meet the working requirement.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A pneumatic diaphragm valve capable of detecting gas flow rate, which comprises a breather pipe (1), and is characterized in that: the measuring device is characterized in that connectors (11) are fixedly mounted on two sides of the ventilating pipe (1), a connecting plate (12) is fixedly mounted above the ventilating pipe (1), a valve body chamber (2) is mounted on the upper surface of the connecting plate (12), a valve cover (21) is connected to the middle of the upper portion of the valve body chamber (2), a valve rod (22) is fixedly connected to the bottom of the valve cover (21), the valve rod (22) penetrates through the upper surface of the valve body chamber (2) and extends into the valve body chamber (2), a piston (23) is fixedly mounted at the bottom of the valve rod (22), a rubber diaphragm (24) is mounted below the piston (23), a measuring chamber (3) is fixedly mounted on the right side of the upper surface of the ventilating pipe (1), sliding grooves (31) are formed in two sides of the measuring chamber (3), a measuring rod (32) is mounted in the measuring chamber (3), a floating ball (33) is mounted at the bottom of the measuring rod (32), sliding blocks (34) are fixedly mounted on the upper portions of two sides of the measuring rod (32), the other end of slider (34) all imbeds in the inside of spout (31), the equal fixed mounting in one end of slider (34) has installation cavity (4), and expanding spring (41) are all transversely installed to the inside of installation cavity (4), and the equal fixedly connected with of the other end of expanding spring (41) is pegged graft end cap (42).

2. The pneumatic diaphragm valve of claim 1, wherein: the bottom of the valve body chamber (2) is also welded with a connecting plate (12), the connecting plate (12) of the valve body chamber (2) is fixedly arranged on the upper surface of the connecting plate (12) of the vent pipe (1), and four corners of the connecting plate (12) are all connected with threaded rods (13) in a penetrating and screwing mode.

3. The pneumatic diaphragm valve of claim 1, wherein: the middle part of the connecting plate (12) is in a through design, the connecting plate (12) is communicated and connected with the vent pipe (1), and the valve body chamber (2) is communicated and connected with the middle part of the connecting plate (12).

4. The pneumatic diaphragm valve of claim 1, wherein: the front surface of the measuring chamber (3) is carved with scale marks (35), the top of the measuring rod (32) is fixedly provided with a pointer (36), and the tip of the pointer (36) is close to the scale marks (35).

5. The pneumatic diaphragm valve of claim 1, wherein: the bottom of the measuring rod (32) penetrates through the upper surface of the vent pipe (1) and extends into the vent pipe (1).

6. The pneumatic diaphragm valve of claim 1, wherein: limiting holes (37) are formed in two side walls of the sliding groove (31), the number of the limiting holes (37) is 16-20, the limiting holes (37) are matched with the position and the size of the plug-in plug (42), and the plug-in plug (42) is plugged in the limiting holes (37).