CN216867620U

CN216867620U - Air machine relief valve that valve port leakproofness is good

Info

Publication number: CN216867620U
Application number: CN202220054586.XU
Authority: CN
Inventors: 庞肖锋
Original assignee: Hangzhou Fuxin Precision Machinery Co ltd
Current assignee: Hangzhou Fuxin Precision Machinery Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-01
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses an air machine safety valve with a good valve port sealing performance, which comprises a valve body, wherein a flow sensor is fixedly arranged on the right side of an inner cavity of the valve body, a power supply box is fixedly arranged on the top of the right side of the valve body, a working lamp is fixedly arranged on the top of the power supply box, a baffle plate is fixedly connected to the middle end of the inner cavity of the valve body, a valve rod penetrates through the top of the baffle plate, a sealing plate is fixedly connected to the bottom of the valve rod, a valve core is fixedly connected to the bottom of the sealing plate, a sealing layer is fixedly connected to the surface of the valve core, and a first flange is fixedly connected to the bottom of the valve body. The utility model discloses possess the good advantage of leakproofness, solved current air machine relief valve at the in-process that uses, it is relatively poor to the sealed effect of relief valve mouth department, cause air machine relief valve mouth department to leak gas easily, influence the air machine and compress the air, reduced the problem of air machine relief valve protecting effect.

Description

Air machine relief valve that valve port leakproofness is good

Technical Field

The utility model relates to the technical field of air machine safety valves, in particular to an air machine safety valve with a good valve port sealing performance.

Background

The air compressor is used for compressing gas, the air compressor is similar to a water pump in structure, most of the air compressors are of a reciprocating piston type, rotating blades or rotating screws can be divided into a plurality of types according to working principles, lubrication modes, performances and the like, noise of the air compressor is mainly controlled by three aspects of a silencer, a silencing tunnel and a sound insulation technology, a safety valve is required to be used for pressure relief in the using process of the air compressor, the safety valve is a valve with a fault protection function, one example of the safety valve is a pressure relief valve, when the pressure or the temperature exceeds a preset limit, the pressure relief valve can automatically release substances from a boiler, a pressure container or other systems, and the pilot type pressure relief valve is a special type of pressure relief valve.

The existing air machine safety valve has poor sealing effect on the valve port of the safety valve in the using process, so that gas leakage at the valve port of the air machine safety valve is easily caused, the air machine is influenced to compress air, and the protection effect of the air machine safety valve is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air machine safety valve with a good valve port sealing performance, which has the advantage of good sealing performance and solves the problems that the sealing effect on the valve port of the safety valve is poor, gas is easily leaked from the valve port of the air machine safety valve, the air machine compresses air and the protection effect of the air machine safety valve is reduced in the using process of the existing air machine safety valve.

In order to achieve the purpose, the utility model provides the following technical scheme: an air machine safety valve with good valve port sealing performance comprises a valve body, wherein a flow sensor is fixedly installed on the right side of an inner cavity of the valve body, a power supply box is fixedly installed on the top of the right side of the valve body, a working lamp is fixedly installed on the top of the power supply box, a baffle plate is fixedly connected to the middle end of the inner cavity of the valve body, a valve rod is arranged on the top of the baffle plate in a penetrating mode, a sealing plate is fixedly connected to the bottom of the valve rod, a valve core is fixedly connected to the bottom of the sealing plate, a sealing layer is fixedly connected to the surface of the valve core, a first flange is fixedly connected to the bottom of the valve body, a sealing gasket and a sealing ring are respectively fixedly connected to the bottom of the first flange, a second flange is movably connected to the bottom of the sealing gasket, a bolt is arranged on the top of the first flange in a penetrating mode, a fixing frame is fixedly connected to the bottom of the inner cavity of the valve body, and an air bag is fixedly connected to the inner wall of the fixing frame, the top intercommunication of gasbag has the intake pipe, the one end that the gasbag was kept away from in the intake pipe runs through to the left side of valve body and is linked together there is the valve inside.

Preferably, the surface of sealing layer and the bottom swing joint of valve body inner chamber, the top cover on valve rod surface is equipped with the spring, the right side fixed mounting of power pack has the controller.

Preferably, the top of the surface of the valve rod is movably sleeved with a limiting plate, and the surface of the limiting plate is fixedly connected with the inner wall of the valve body.

Preferably, the top fixedly connected with lifting rod on valve rod surface, the right-hand member of lifting rod and the right side of valve body are through pivot swing joint, the top fixedly connected with protecting crust of valve body.

Preferably, the bottom of the second flange is communicated with a pipeline, and the top of the second flange is provided with a circular groove matched with the sealing ring for use.

Preferably, the bottom of the bolt penetrates through the bottom of the second flange, and a nut is sleeved on the bottom thread of the surface of the bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model solves the problems that the sealing effect of the safety valve opening of the existing air engine is poor, gas is easy to leak from the safety valve opening of the air engine, the air engine is influenced to compress air, and the protection effect of the safety valve of the air engine is reduced.

2. According to the utility model, the flow sensor is arranged, so that the gas flow of the exhaust port of the valve body can be conveniently detected, the working lamp is arranged, so that a worker can be conveniently reminded when the valve body exhausts, the sealing plate is arranged, so that the valve core can be conveniently prevented from leaking air, the sealing effect of the valve core can be conveniently increased by arranging the sealing layer, the valve body can be conveniently installed on a pipeline by matching the first flange and the second flange, the first flange and the second flange can be conveniently fixed by arranging the bolt, and the air leakage at the joint of the first flange and the second flange can be conveniently prevented by matching the sealing gasket and the sealing ring.

Drawings

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

FIG. 2 is a front partial cross-sectional view of the present invention;

FIG. 3 is a bottom cross-sectional view of the gasket of the present invention;

FIG. 4 is an enlarged view of A of FIG. 1 according to the present invention.

In the figure: the valve comprises a valve body 1, a baffle 2, a spring 3, a protective shell 4, a lifting rod 5, a valve rod 6, a working lamp 7, a power supply box 8, a flow sensor 9, a sealing plate 10, a sealing gasket 11, a pipeline 12, a second flange 13, a first flange 14, a sealing ring 15, a bolt 16, a valve core 17, an air inlet pipe 18, a fixing frame 19, an air bag 20, a sealing layer 21 and a valve core 22.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The valve body 1, the baffle 2, the spring 3, the protective shell 4, the lifting rod 5, the valve rod 6, the working lamp 7, the power supply box 8, the flow sensor 9, the sealing plate 10, the sealing gasket 11, the pipeline 12, the second flange 13, the first flange 14, the sealing ring 15, the bolt 16, the valve core 17, the air inlet pipe 18, the fixing frame 19, the air bag 20, the sealing layer 21, the valve core 22 and other parts in the utility model are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the parts can be known by technical manuals or conventional experimental methods.

Referring to fig. 1-4, an air machine safety valve with good valve port sealing performance comprises a valve body 1, a flow sensor 9 is fixedly installed on the right side of an inner cavity of the valve body 1, the gas flow of an exhaust port of the valve body 1 can be conveniently detected by arranging the flow sensor 9, a power supply box 8 is fixedly installed on the top of the right side of the valve body 1, a working lamp 7 is fixedly installed on the top of the power supply box 8, the working lamp 7 is arranged to facilitate reminding of a worker when the valve body 1 exhausts, a baffle plate 2 is fixedly connected to the middle end of the inner cavity of the valve body 1, a valve rod 6 is arranged on the top of the baffle plate 2 in a penetrating manner, a limiting plate is movably sleeved on the top of the surface of the valve rod 6, the surface of the limiting plate is fixedly connected with the inner wall of the valve body 1, a lifting rod 5 is fixedly connected to the top of the surface of the valve rod 6, and the right end of the lifting rod 5 is movably connected with the right side of the valve body 1 through a rotating shaft, the top of the valve body 1 is fixedly connected with a protective shell 4, the bottom of the valve rod 6 is fixedly connected with a sealing plate 10, the sealing plate 10 is arranged to prevent the valve core 22 from leaking air, the bottom of the sealing plate 10 is fixedly connected with the valve core 22, the surface of the valve core 22 is fixedly connected with a sealing layer 21, the sealing effect of the valve core 22 can be increased conveniently by arranging the sealing layer 21, the surface of the sealing layer 21 is movably connected with the bottom of the inner cavity of the valve body 1, the top of the surface of the valve rod 6 is sleeved with a spring 3, the right side of a power supply box 8 is fixedly provided with a controller, the bottom of the valve body 1 is fixedly connected with a first flange 14, the bottom of the first flange 14 is respectively and fixedly connected with a sealing gasket 11 and a sealing ring 15, the joint of the first flange 14 and a second flange 13 can be prevented from leaking air by matching the sealing gasket 11 and the sealing ring 15, the bottom of the sealing gasket 11 is movably connected with a second flange 13, the valve body 1 can be conveniently installed on a pipeline 12 by matching the first flange 14 and the second flange 13, the bottom of the second flange 13 is communicated with the pipeline 12, the top of the second flange 13 is provided with a circular groove matched with the sealing ring 15, the top of the first flange 14 is provided with a bolt 16 in a penetrating manner, the first flange 14 and the second flange 13 can be conveniently fixed by arranging the bolt 16, the bottom of the bolt 16 penetrates to the bottom of the second flange 13, the bottom of the surface of the bolt 16 is sleeved with a nut in a threaded manner, the bottom of the inner cavity of the valve body 1 is fixedly connected with a fixing frame 19, the inner wall of the fixing frame 19 is fixedly connected with an air bag 20, the inner walls of the first flange 14 and the second flange 13 can be conveniently plugged by arranging the air bag 20, the top of the air bag 20 is communicated with an air inlet pipe 18, one end, far away from the air bag 20, of the air inlet pipe 18 penetrates to the left side of the valve body 1 and is communicated with a valve core 17, the air inlet pipe 18 and the valve core 17 are matched for use, air can be conveniently filled into the air bag 20, and through the matching use of the valve body 1, the working lamp 7, the power supply box 8, the flow sensor 9, the sealing plate 10, the sealing gasket 11, the second flange 13, the first flange 14, the sealing ring 15, the bolt 16, the valve core 17, the air inlet pipe 18, the fixing frame 19, the air bag 20 and the sealing layer 21, the problems that the sealing effect of the existing air machine safety valve at the valve opening of the safety valve is poor, gas leakage at the valve opening of the air machine safety valve is easily caused, the air machine is influenced to compress air, and the protection effect of the air machine safety valve is reduced are solved.

When the air bag is used, the first flange 14 and the second flange 13 are connected through the bolts 16, the sealing gasket 11 and the sealing ring 15 prevent air leakage at the joint of the first flange 14 and the second flange 13, the air bag 20 is inflated through the valve core 17 and the air inlet pipe 18 after the air bag is installed, the air bag 20 expands to seal the inner walls of the first flange 14 and the second flange 13, the sealing performance at the joint of the first flange 14 and the second flange 13 is improved, when the air pressure in the pipeline 12 is too high, the air pressure in the pipeline 12 extrudes the valve core 22, the sealing layer 21 increases the sealing performance of the valve core 22 to prevent the gas from leaking through the valve core 22, the gas extrudes the valve core 22 and the sealing plate 10, the sealing plate 10 drives the valve rod 6 to move upwards, the gas is discharged out of the valve body 1 through the flow sensor 9, when the flow sensor 9 detects the exhaust gas, the controller starts the working lamp 7, and the working lamp 7 reminds the staff.

In summary, the following steps: this air machine relief valve that valve port leakproofness is good, through valve body 1, work light 7, power pack 8, flow sensor 9, closing plate 10, sealed pad 11, second flange 13, first flange 14, sealing ring 15, bolt 16, valve inside 17, intake pipe 18, fixed frame 19, gasbag 20 and sealing layer 21's cooperation use, solved current air machine relief valve in the in-process of use, it is relatively poor to the sealed effect of relief valve mouth department, cause air machine relief valve mouth department gas leakage easily, influence the air machine and compress the air, the problem of air machine relief valve protecting effect has been reduced.

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. The utility model provides an air machine relief valve that valve port leakproofness is good, includes valve body (1), its characterized in that: the flow sensor (9) is fixedly installed on the right side of the inner cavity of the valve body (1), the power box (8) is fixedly installed on the top of the right side of the valve body (1), the working lamp (7) is fixedly installed on the top of the power box (8), the baffle plate (2) is fixedly connected to the middle end of the inner cavity of the valve body (1), the valve rod (6) penetrates through the top of the baffle plate (2), the sealing plate (10) is fixedly connected to the bottom of the valve rod (6), the valve core (22) is fixedly connected to the bottom of the sealing plate (10), the sealing layer (21) is fixedly connected to the surface of the valve core (22), the first flange (14) is fixedly connected to the bottom of the valve body (1), the sealing gasket (11) and the sealing ring (15) are fixedly connected to the bottom of the first flange (14) respectively, and the second flange (13) is movably connected to the bottom of the sealing gasket (11), the top of first flange (14) runs through and is provided with bolt (16), the fixed frame (19) of bottom fixedly connected with of valve body (1) inner chamber, the inner wall fixedly connected with gasbag (20) of fixed frame (19), the top intercommunication of gasbag (20) has intake pipe (18), the one end that gasbag (20) were kept away from in intake pipe (18) runs through to the left side and the intercommunication of valve body (1) has valve inside (17).

2. The air machine safety valve with good valve port sealing performance as claimed in claim 1, wherein: the surface of sealing layer (21) and the bottom swing joint of valve body (1) inner chamber, the top cover on valve rod (6) surface is equipped with spring (3), the right side fixed mounting of power pack (8) has the controller.

3. The air machine safety valve with good valve port sealing performance as claimed in claim 1, wherein: the top of valve rod (6) surface is movably overlapped and is equipped with the limiting plate, and the surface of limiting plate and the inner wall fixed connection of valve body (1).

4. The air machine safety valve with good valve port sealing performance as claimed in claim 1, wherein: the valve rod (6) top fixedly connected with lifting rod (5) on surface, the right-hand member of lifting rod (5) and the right side of valve body (1) are through pivot swing joint, the top fixedly connected with protecting crust (4) of valve body (1).

5. The air machine safety valve with good valve port sealing performance as claimed in claim 1, wherein: the bottom of the second flange (13) is communicated with a pipeline (12), and the top of the second flange (13) is provided with a circular groove matched with the sealing ring (15) for use.

6. The air machine safety valve with good valve port sealing performance as claimed in claim 1, wherein: the bottom of the bolt (16) penetrates through the bottom of the second flange (13), and a nut is sleeved on the bottom thread of the surface of the bolt (16).