CN219176568U

CN219176568U - Air leakage buffer protection device of screw air compressor

Info

Publication number: CN219176568U
Application number: CN202320079185.4U
Authority: CN
Inventors: 郭飞龙; 郭伟; 杨朝
Original assignee: Wuhan Libor Machinery Co ltd
Current assignee: Wuhan Libor Machinery Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-13
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a leakage buffer protection device of a screw air compressor, and belongs to the technical field of air compressors. The device includes outer barrel, linkage segment and visor, outer barrel is hollow cylinder structure, linkage segment fixed connection is in the bottom of outer barrel, the visor sets up in the top of outer barrel, the surface of linkage segment is provided with the first screw thread that is used for being connected with screw air compressor machine air release mouth, the inside of linkage segment is provided with the valve ball, the inside of outer barrel has set gradually cloth trachea from bottom to top, buffer fan, perforated plate and perforation section of thick bamboo, the top annular array of outer barrel is seted up in the exhaust hole, visor and the top swing joint of outer barrel, the device adopts check valve and buffer barrel matched with structure, carry out multistage buffering to the high-pressure gas that releases, consume air current pressure, exhaust injury people and the great problem of noise among the above-mentioned background art is solved.

Description

Air leakage buffer protection device of screw air compressor

Technical Field

The utility model relates to the technical field of air compressors, in particular to a leakage buffer protection device of a screw air compressor.

Background

The screw air compressor is a device for compressing gas, and converts mechanical energy of screw operation into gas pressure energy, so as to provide a power source for a starting system. The air compressor is generally provided with a pressure protection device, and in the compression operation process, the internal pressure of the air compressor is continuously increased due to the reduction of the volume of the air storage tank, when the pressure exceeds the rated pressure, the pressure protection device controls automatic stop, and when the pressure is reduced to a certain pressure, the pressure protection device is automatically connected and started again. When the pressure protection device fails or fails, a gas leakage port is usually arranged at the top of the gas storage tank to prevent the gas storage tank from running in excess pressure, and when the compression pressure in the gas storage tank is greater than a safety pressure value, the pressure is released through the gas leakage port to protect the operation safety of the air compressor.

The pressure release hole is generally offered to traditional pressure relief device on the lateral wall of valve body, directly exhausts through the pressure release accuse, and when the gas holder internal pressure was too high, the compressed air of its pressure release can be sprayed out from the pressure release hole, causes personnel's injury, can also produce certain noise moreover, has reduced the use and has experienced, has a great deal of limitation.

Disclosure of Invention

In order to make up for the defects, the air leakage buffering protection device for the screw air compressor provided by the utility model adopts a structure that the one-way valve is matched with the buffering cylinder body, carries out multistage buffering on released high-pressure air, consumes air flow pressure, and solves the problems that people are injured by exhaust and noise is large in the background technology.

The utility model is realized in the following way:

the utility model provides a screw air compressor machine air leakage buffering protection device, includes outer barrel, linkage segment and visor, outer barrel is hollow cylinder structure, linkage segment fixed connection in the bottom of outer barrel, the visor set up in the top of outer barrel, the surface of linkage segment is provided with the first screw thread that is used for being connected with screw air compressor machine air leakage mouth, the inside of linkage segment is provided with the valve ball, the inside of outer barrel has set gradually cloth trachea, buffer fan, perforated plate and perforation section of thick bamboo by supreme down, the top annular array of outer barrel is seted up in the exhaust hole, the visor with the top swing joint of outer barrel.

In one embodiment of the utility model, a conical table is arranged in the connecting section, the outer surface of the valve ball is attached to the surface of the conical table, a spring piece and a limiting plate are arranged above the valve ball, one end of the spring piece is fixedly connected with the bottom of the limiting plate, the other end of the spring piece is abutted to the top of the valve ball, connecting strips are symmetrically arranged on the outer side of the limiting plate, and the other end of the connecting strip is fixedly connected with the inner wall of the connecting section.

In one embodiment of the utility model, the top of the air distribution pipe is in a closed state, the bottom of the air distribution pipe penetrates through the bottom plate of the outer cylinder body and then is communicated with the connecting section, and air distribution holes are formed in the annular array on the outer surface of the air distribution pipe.

In one embodiment of the utility model, a fixing plate is arranged above the air distribution pipe, the outer side of the fixing plate is fixedly connected with the inner wall of the outer cylinder body, a rotating shaft is arranged at the center of the buffer fan, the bottom of the rotating shaft is fixedly connected with the top of the fixing plate, a first through hole and a second through hole are symmetrically formed in the fixing plate, the first through hole and the second through hole are both in a strip shape, and the cross section area of the first through hole is larger than that of the second through hole.

In one embodiment of the utility model, the perforation apertures on the perforated plate are larger than the perforation apertures on the perforation drum.

In one embodiment of the utility model, a boss is arranged on the inner wall of the outer cylinder, the boss is arranged above the perforated plate, the perforated cylinder is in a structure with an opening at the bottom and a sealing plate at the top, and the outer side of the bottom of the perforated cylinder is fixedly connected with the boss.

In one embodiment of the utility model, the outer side of the perforated plate is fixedly connected with the inner wall of the outer cylinder, a connecting column is arranged at the center of the top of the perforated plate, the top end of the connecting column sequentially penetrates through the perforated cylinder and the protective cover and then extends to the outside of the outer cylinder, and a second thread is arranged at the top end of the connecting column.

In one embodiment of the present utility model, the protective cover includes a top plate and an extension plate, the extension plate is fixedly connected with an outer edge of the top plate, a fastening nut is disposed on top of the top plate, and the fastening nut is matched with the second thread.

In one embodiment of the present utility model, the cross section of the extension plate has an "eight" shape structure, and the bottom of the extension plate is lower than the bottom of the exhaust hole.

In one embodiment of the utility model, the bottom of the top plate is provided with an annular gasket which abuts the top of the outer cylinder.

The air leakage buffer protection device for the screw air compressor, which is obtained through the design, has the beneficial effects that: the connecting section is communicated with the air leakage port through the first thread, the installation is simple and convenient, the built-in one-way valve structure of the connecting section guides high-pressure air into the outer barrel, the air pressure loss is reduced, the air distribution pipe in the outer barrel evenly distributes air flow, then the air flow is guided to the buffer fan through two through holes with different sizes, the buffer fan consumes air flow potential, the self pressure of the buffer fan is reduced, then the air flow is evenly dispersed through the perforated plate and the perforated barrel in sequence, the impact force is reduced, the air is finally discharged through the exhaust hole, the air flow downwards flows through the blocking of the extending plate, the damage caused by direct injection to a human body is prevented, the noise generated by the rapid circulation of air and the action of the concentrated impact force is avoided, and the good buffer protection effect is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a leakage buffer protection device of a screw air compressor according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure diagram of a leakage buffer protection device of a screw air compressor according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

in the figure: 100. an outer cylinder; 101. an air distribution pipe; 1011. air holes are distributed; 102. a fixing plate; 1021. a first through hole; 1022. a second through hole; 103. a buffer fan; 1031. a rotation shaft; 104. a perforated plate; 1041. a connecting column; 1042. a second thread; 105. a perforated cylinder; 1051. a boss; 106. an exhaust hole; 200. a connection section; 201. a first thread; 202. a conical table; 203. a valve ball; 204. a spring member; 205. a limiting plate; 2051. a connecting strip; 300. a protective cover; 301. a top plate; 3011. an annular gasket; 3012. a fastening nut; 302. an extension plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a screw air compressor machine air release buffering protection device, including outer barrel 100, linkage segment 200 and visor 300, outer barrel 100 is hollow cylinder structure, linkage segment 200 fixed connection is in the bottom of outer barrel 100, visor 300 sets up in the top of outer barrel 100, visor 300 plays the function of stopping impurity such as dust, effectively protect the safety of each part in the outer barrel 100, the surface of linkage segment 200 is provided with the first screw thread 201 that is used for being connected with screw air compressor machine air release mouth, first screw thread 201 conveniently is connected the device on the air release mouth, thereby realize the decompression protection of air compressor machine internal gas storage device, the inside of linkage segment 200 is provided with valve ball 203, valve ball 203 is used for controlling the break-make of linkage segment 200 middle part passageway, make the air release pressure of air storage device satisfy the requirement, reduce the atmospheric pressure loss, the inside of outer barrel 100 has set gradually cloth trachea 101 from bottom to top, buffer fan 103, perforated plate 104 and perforation section 105, the top annular array of outer barrel 100 is seted up in exhaust hole 106, the high-pressure air flow is got into by the bottom of outer barrel 100, finally, be discharged by top exhaust hole 106, middle through the inside structure of outer barrel 100 disperses high-pressure flow, thereby the effect of dispelling the high pressure air flow, can be removed with the outer barrel 100, the clearance is convenient for the outer barrel 100 can be removed with the outer barrel 100, the movable protection part of outer barrel 300, can be removed with the clearance, the inside of the protection device is convenient, the top can be connected with the outer barrel 300.

As an embodiment of the present utility model, further, a conical table 202 is disposed in the connecting section 200, the outer surface of the valve ball 203 is attached to the surface of the conical table 202, the conical table 202 makes the ball structure of the valve ball 203 attach to the conical table more tightly, the sealing effect is improved, the air leakage loss is prevented, a spring member 204 and a limiting plate 205 are disposed above the valve ball 203, one end of the spring member 204 is fixedly connected with the bottom of the limiting plate 205, the other end of the spring member 204 abuts against the top of the valve ball 203, connecting strips 2051 are symmetrically disposed on the outer side of the limiting plate 205, the other end of the connecting strips 2051 is fixedly connected with the inner wall of the connecting section 200, and the spring member 204 provides pressure to the valve ball 203 to keep the ball structure attached to the conical table 202, thereby realizing the function of the one-way valve of the connecting section 200.

As an embodiment of the present utility model, further, the top of the air distribution pipe 101 is in a closed state, the bottom of the air distribution pipe 101 penetrates through the bottom plate of the outer cylinder 100 and then is communicated with the connection section 200, the air distribution holes 1011 are annularly formed in the outer surface of the air distribution pipe 101 in an array manner, and the air flow entering the air distribution pipe 101 through the connection section 200 is uniformly distributed around through the air distribution holes 1011, so that the flow velocity of the air flow is reduced, and the air inlet noise is reduced.

As an embodiment of the present utility model, further, a fixed plate 102 is disposed above the air distribution pipe 101, the outer side of the fixed plate 102 is fixedly connected with the inner wall of the outer cylinder 100, a rotation shaft 1031 is disposed at the center of the buffer fan 103, the bottom of the rotation shaft 1031 is fixedly connected with the top of the fixed plate 102, the rotation shaft 1031 plays a role in limiting the buffer fan 103, the buffer fan 103 can freely rotate around the rotation shaft 1031, a first through hole 1021 and a second through hole 1022 are symmetrically disposed on the fixed plate 102, the first through hole 1021 and the second through hole 1022 are both in a strip shape, the cross section area of the first through hole 1021 is larger than the cross section area of the second through hole 1022, air under the fixed plate 102 passes through the fixed plate 102 through the first through hole 1021 and the second through hole 1022 respectively, the air flow impacts the buffer fan 103, and due to the difference of the air flow of the two through holes, stress on two sides of the buffer fan 103 is different, so that the buffer fan 103 rotates, the air flow generates internal consumption through continuous impact, and counteracts a part of dynamic pressure, and plays a role in a certain role.

As an embodiment of the present utility model, further, the perforation hole diameter on the perforated plate 104 is larger than the perforation hole diameter on the perforation tube 105, and the hole diameters become smaller in sequence during the air flow process, so that the air flow is uniformly dispersed into smaller volumes, thereby reducing the impact force and reducing the noise generated by the air flow.

As an embodiment of the present utility model, further, the inner wall of the outer cylinder 100 is provided with a boss 1051, the boss 1051 is disposed above the perforated plate 104, the perforated cylinder 105 has a structure with an opening at the bottom and a sealing plate at the top, the outer side of the bottom of the perforated cylinder 105 is fixedly connected with the boss 1051, the boss 1051 is convenient for installing and fixing the perforated cylinder 105, and the assembly is simple and practical.

As an embodiment of the present utility model, further, the outer side of the perforated plate 104 is fixedly connected with the inner wall of the outer cylinder 100, the center of the top of the perforated plate 104 is provided with a connecting column 1041, the top end of the connecting column 1041 sequentially penetrates through the perforated cylinder 105 and the protective cover 300 and then extends to the outside of the outer cylinder 100, the top end of the connecting column 1041 is provided with a second thread 1042, and the connecting column 1041 conveniently limits the perforated cylinder 105 and the protective cover 300 to prevent the perforated cylinder 105 and the protective cover 300 from loosening and generating vibration noise.

As an embodiment of the present utility model, further, the protection cover 300 includes a top plate 301 and an extension plate 302, the extension plate 302 is fixedly connected with the outer edge of the top plate 301, the top of the top plate 301 is provided with a fastening nut 3012, the fastening nut 3012 is matched with the second thread 1042, and the fastening nut 3012 is mounted on the second thread 1042, so that the top plate 301 is crimped to the top end of the outer cylinder 100, and the structure is simple and the operation is convenient.

As an embodiment of the utility model, further, the cross section of the extension plate 302 is in an splayed structure, the bottom of the extension plate 302 is lower than the bottom of the exhaust hole 106, the extension plate 302 guides the air flow discharged from the exhaust hole 106 downwards, so that the air flow is prevented from being directly sprayed to the human body to cause injury, and the use safety is protected.

As an embodiment of the present utility model, further, a ring-shaped gasket 3011 is disposed at the bottom of the top plate 301, the ring-shaped gasket 3011 abuts against the top of the outer cylinder 100, and the ring-shaped gasket 3011 firmly adheres the top plate 301 to the outer cylinder 100, improves sealing performance, and reduces noise generated by air leakage or vibration.

Specifically, the working principle of the air leakage buffer protection device of the screw air compressor is as follows: the device is connected to the air compressor air release port in a sealing way through the first thread 201, when the air compressor air storage device is in overpressure, the valve ball 203 is jacked up by high-pressure air, the spring piece 204 is compressed to be separated from the conical table 202, air flows into the air distribution pipe 101 from a previous gap, then flows into the bottom of the outer cylinder 100 through the evenly-distributed air distribution holes 1011, then the high-pressure air is respectively shunted upwards through the first through holes 1021 and the second through holes 1022, the buffer fan 103 is pushed to rotate continuously due to the difference of air flow, the dynamic pressure of a part of the air flow is buffered and consumed in the process, the air flow passing through the buffer fan 103 is continuously dispersed to smaller volume through the perforated plate 104 and the perforated cylinder 105 with different apertures, finally the air flow is discharged to the periphery through the air outlet 106 at the top of the outer cylinder 100, the air flow is guided downwards under the action of the extension plate 302, the air flow is prevented from being directly sprayed to the human body to cause harm, meanwhile, the air flow pressure is continuously reduced in the buffering and shunting process, the generation of noise is reduced, and a good buffering and protecting effect is achieved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a screw air compressor machine air leakage buffering protection device, its characterized in that, includes outer barrel (100), linkage segment (200) and visor (300), outer barrel (100) are hollow cylinder structure, linkage segment (200) fixed connection in the bottom of outer barrel (100), visor (300) set up in the top of outer barrel (100), the surface of linkage segment (200) is provided with first screw thread (201) that are used for being connected with screw air compressor machine air leakage mouth, the inside of linkage segment (200) is provided with valve ball (203), the inside of outer barrel (100) is by supreme cloth trachea (101), buffer fan (103), perforated plate (104) and perforation section of thick bamboo (105) that have set gradually down, the top annular array of outer barrel (100) is seted up in exhaust hole (106), visor (300) with the top swing joint of outer barrel (100).

2. The air leakage buffer protection device of the screw air compressor according to claim 1, wherein a conical table (202) is arranged in the connecting section (200), the outer surface of the valve ball (203) is attached to the surface of the conical table (202), a spring piece (204) and a limiting plate (205) are arranged above the valve ball (203), one end of the spring piece (204) is fixedly connected with the bottom of the limiting plate (205), the other end of the spring piece (204) is abutted to the top of the valve ball (203), connecting strips (2051) are symmetrically arranged on the outer side of the limiting plate (205), and the other end of the connecting strips (2051) is fixedly connected with the inner wall of the connecting section (200).

3. The air leakage buffer protection device of the screw air compressor according to claim 1, wherein the top of the air distribution pipe (101) is in a closed state, the bottom of the air distribution pipe (101) penetrates through the bottom plate of the outer cylinder body (100) and then is communicated with the connecting section (200), and air distribution holes (1011) are formed in an annular array on the outer surface of the air distribution pipe (101).

4. The air leakage buffer protection device of the screw air compressor according to claim 1, wherein a fixing plate (102) is arranged above the air distribution pipe (101), the outer side of the fixing plate (102) is fixedly connected with the inner wall of the outer cylinder body (100), a rotating shaft (1031) is arranged at the center of the buffer fan (103), the bottom of the rotating shaft (1031) is fixedly connected with the top of the fixing plate (102), a first through hole (1021) and a second through hole (1022) are symmetrically formed in the fixing plate (102), the first through hole (1021) and the second through hole (1022) are both in a strip shape, and the sectional area of the first through hole (1021) is larger than that of the second through hole (1022).

5. The leakage buffer protection device of a screw air compressor according to claim 1, wherein the perforation hole diameter of the perforated plate (104) is larger than the perforation hole diameter of the perforation cylinder (105).

6. The air leakage buffer protection device of the screw air compressor according to claim 1, wherein a boss (1051) is arranged on the inner wall of the outer cylinder body (100), the boss (1051) is arranged above the perforated plate (104), the perforated cylinder (105) is in a structure with an opening at the bottom and a sealing plate at the top, and the outer side of the bottom of the perforated cylinder (105) is fixedly connected with the boss (1051).

7. The air leakage buffer protection device of the screw air compressor according to claim 1, wherein the outer side of the perforated plate (104) is fixedly connected with the inner wall of the outer cylinder body (100), a connecting column (1041) is arranged in the center of the top of the perforated plate (104), the top end of the connecting column (1041) sequentially penetrates through the perforated cylinder (105) and the protective cover (300) and then extends to the outer side of the outer cylinder body (100), and a second thread (1042) is arranged at the top end of the connecting column (1041).

8. The air leakage buffer protection device of the screw air compressor according to claim 7, wherein the protection cover (300) comprises a top plate (301) and an extension plate (302), the extension plate (302) is fixedly connected with the outer edge of the top plate (301), a fastening nut (3012) is arranged at the top of the top plate (301), and the fastening nut (3012) is matched with the second thread (1042).

9. The air leakage buffer protection device of the screw air compressor according to claim 8, wherein the cross section of the extension plate (302) is in an splayed structure, and the bottom of the extension plate (302) is lower than the bottom of the air exhaust hole (106).

10. The air leakage buffer protection device of the screw air compressor is characterized in that an annular gasket (3011) is arranged at the bottom of the top plate (301), and the annular gasket (3011) is abutted with the top of the outer cylinder (100).