CN215370236U

CN215370236U - A kind of compressor

Info

Publication number: CN215370236U
Application number: CN202120635817.1U
Authority: CN
Inventors: 王春杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-31
Anticipated expiration: 2031-03-30

Abstract

The technical scheme of the utility model discloses a compressor, which comprises a main cavity, an end cover and a sealing sheet, wherein a rotor is eccentrically installed in the sealing cavity, a compression space is formed between the compression cavity and the rotor, at least one arc-shaped blade is uniformly installed in the peripheral direction of the edge of the rotor, a gap is formed between the arc-shaped blade and the inner wall of the sealing cavity when the arc-shaped blade is at the limit position in an opening state, a guide structure is arranged at the position corresponding to each arc-shaped blade in a moving cavity, and the opening and closing of the arc-shaped blade are controlled by the guide structure in the rotating process of the rotor. According to the utility model, the rotor is eccentrically arranged in the main cavity, the curved arc-shaped blades are arranged in the circumferential direction of the rotor, the guide structure is arranged above the arc-shaped blades, the rotor rotates and drives the arc-shaped blades to circularly compress air in a compression space through the guide structure, and the compression efficiency is improved by at least 3 times compared with that of the traditional uniform compression space; the vibration generated in the rotation process of the rotor can be effectively reduced or eliminated through the arrangement of the guide structure.

Description

A kind of compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a compressor.

Background

Traditional compressor structure is that the rotor surface evenly arranges the blade, and the rotor sets up with the stator is concentric, and single structure can only realize even compressed air's function when compressed air, and the output of compressor is lower, and the rotor in the casing can send great noise at high-speed rotatory in-process. The utility model provides a compressor with a novel structure, which can greatly improve the working efficiency of the compressor and reduce the working noise.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that the traditional compressor has a single structure and is characterized in that blades, a rotor and a compressor outer cavity are in friction.

In order to solve the technical problem, the technical scheme of the utility model provides a compressor, which comprises a main cavity, an end cover which is detachable from the main cavity, and a sealing sheet which is arranged between the main cavity and the end cover, wherein the sealing sheet divides a space between the main cavity and the end cover into a motion cavity and a sealing cavity, a rotor is eccentrically arranged in the sealing cavity, a compression space is formed between the compression cavity and the rotor, at least one arc-shaped blade is uniformly arranged in the peripheral direction of the edge of the rotor, a gap is formed between the arc-shaped blade and the inner wall of the sealing cavity when the arc-shaped blade is at the limit position in an opening state, a guide structure is arranged at the position corresponding to each arc-shaped blade in the motion cavity, and the rotor controls the arc-shaped blade to open and close through the guide structure in the rotation process.

Optionally, the inner wall profile shape of the seal cavity matches the motion track of the arc-shaped blade head.

Optionally, the arc-shaped blade is an arc-shaped plate-shaped structural member, and the concave direction of the arc-shaped blade faces to the counterclockwise direction.

Optionally, the upper end and the lower extreme of arc blade respectively through the bearing rotationally with the rotor installation, the upper end of arc blade passes the gasket and is connected with the guide bar, the leading wheel is movably installed to the guide bar, the leading wheel with install the blade motion track rolling contact at the interior top of end cover.

Alternatively, the guide wheel may be installed to reciprocate with the guide bar in a horizontal direction.

Optionally, the shape of the motion track of the blade is irregular ellipse.

Optionally, the arcuate vanes are integrally formed with the guide bar.

Optionally, the sealing sheet is provided with a through hole with a uniform shape right above the rotor.

Optionally, the bottom of the blade moving track is at a higher level than the top of the guide bar.

Optionally, the upper end and the lower extreme of arc blade rotationally with the rotor installation through the bearing respectively, the upper end of arc blade passes the gasket and is connected with the guide bar, the keysets is movably installed to the guide bar, install left leading wheel and right leading wheel on the keysets, the interior top of end cover is provided with blade motion track, left side leading wheel with right leading wheel centre gripping blade motion track, blade motion track with left side leading wheel with the equal rolling contact of right leading wheel.

The technical scheme of the utility model has the beneficial effects that:

according to the utility model, the rotor is eccentrically arranged in the main cavity, the curved arc-shaped blades are arranged in the circumferential direction of the rotor, the guide structure is arranged above the arc-shaped blades, the rotor rotates and drives the arc-shaped blades to circularly compress air in a compression space through the guide structure, and the compression efficiency is improved by at least 3 times compared with that of the traditional uniform compression space; the vibration generated in the rotation process of the rotor can be effectively reduced or eliminated through the arrangement of the guide structure.

Drawings

FIG. 1 is a top view of a compressor with end caps and a sealing plate removed according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a sealing plate according to a first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a main cavity with a sealing sheet installed thereon according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a rotor according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is a schematic structural diagram of a cambered vane in accordance with an embodiment of the present invention;

FIG. 7 is a partial cross-sectional side view of a compressor in accordance with one embodiment of the present invention;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is an enlarged view of FIG. 7 at B;

FIG. 10 is a partial cross-sectional side view of a compressor in accordance with a second embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a sealing plate according to a third embodiment of the present invention;

fig. 12 is a schematic structural diagram of the third embodiment of the present invention after a sealing sheet is installed on the main cavity.

The specific implementation mode is as follows:

the utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, 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 by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Example one

Referring to fig. 1, 2, 3 and 7, a compressor of an embodiment is shown, which includes a main cavity 1, an end cover 10 detachable from the main cavity 1, and a sealing sheet 7 disposed between the main cavity 1 and the end cover 10, the sealing sheet 7 divides a space between the main cavity 1 and the end cover 10 into a moving cavity 11 and a sealing cavity 12, wherein a rotor 2 is eccentrically mounted in the sealing cavity 12, the rotor 2 is rotated by an output shaft 5 extending into the main cavity 1 through an external motor, a compression space 4 is formed between the compression cavity 12 and the rotor 2, at least one arc-shaped blade 3 is uniformly mounted in a circumferential direction of an edge of the rotor 2, a gap 13 (as shown in fig. 9) is provided between the arc-shaped blade 3 and an inner wall of the sealing cavity 1 when the arc-shaped blade 3 is at an extreme position in an open state, a guide structure 19 is disposed in the moving cavity 11 at a position corresponding to each arc-shaped blade 3, the rotor 2 controls the opening and closing of the arc-shaped blades 3 through the guide structure 19 during rotation.

In the embodiment, the contour shape of the inner wall of the seal cavity 12 is matched with the motion track of the head of the arc-shaped blade 3. As shown in fig. 1, the moving track of the arc-shaped blade 3 relative to the end mounted with the rotor 2 during the rotation process is the profile of the inner wall of the sealed cavity 12 in the main cavity 1, and the shape of the profile of the inner wall of the sealed cavity 12 varies differently according to the specific operating conditions, but the general profile is the shape close to the irregular ellipse shown in fig. 1.

In this embodiment, the arc-shaped blade 3 is an arc-shaped plate-shaped structural member 31, and the concave direction of the arc-shaped blade 3 faces the counterclockwise direction. More specifically, if the arc-shaped blade 3 rotates clockwise to compress air, the concave direction of the arc-shaped blade 3 is towards the right, i.e. the arc top of the arc-shaped blade 3 is located at the right side, otherwise, the arc top is located at the left side.

In the present embodiment, as shown in fig. 4, 5, 6 and 7, the upper end 33 and the lower end 32 of the arc-shaped vane 3 are rotatably mounted to the rotor 2 through bearings (not shown), respectively (as shown in fig. 4, 5 and 6, the rotor 2 is provided with a counter bore 21 at a position where the arc-shaped vane 3 is mounted, the counter bore 21 has a mounting shaft 22 therein, the upper and

lower ends

32, 33 of the arc-shaped vane 3 are mounted to the mounting shaft 22 through bearings, respectively, so that the arc-shaped vane 3 can rotate relative to the rotor 2 through the bearings), the upper end 33 and the lower end 32 of the arc-shaped vane 3 are both of a cylindrical structure, and the upper end 33 is longer than the lower end 32. Guide structure 19 has included guide bar 8 of being connected with the upper end 33 of arc blade 3 promptly, the upper end 33 of arc blade 3 passes gasket 7 and is connected with guide bar 8, guide bar 8 keep away from with the one end movably that upper end 33 is connected installs leading wheel 9, leading wheel 9 and the blade motion track 6 rolling contact who installs at the interior top of end cover 10 (can be through slide rail, spring structure installation between leading wheel 9 and the guide bar 8, can realize that leading wheel 9 can be reciprocating sliding motion for guide bar 8, more specific leading wheel 9 is inside to have a shaft, the shaft passes through structural mounting such as spring with guide bar 8, can realize that elasticity reciprocating sliding's structure is various, do not repeated here.

In this embodiment, the shape of the vane movement track 6 is an irregular ellipse (as shown by a dotted line in fig. 1, the shape of the vane movement track 6 may be designed according to a preset space of the seal cavity 12, or the contour shape of the seal cavity 12 may be set according to the shape of the vane movement track 6, and all of them may be set according to specific situations). The shape of the blade moving track 6 can be designed according to the preset space of the sealing cavity 12, and the outline shape of the sealing cavity 12 can also be set according to the shape of the blade moving track 6 and can be set according to specific conditions.

In this embodiment, the arc-shaped blade 3 and the guide rod 8 are integrally formed, but the installation process is complicated. The arc-shaped blade 3 and the guide rod 8 can also be processed separately, and when the upper end 33 of the arc-shaped blade 3 penetrates through the sealing sheet 7, the guide rod 8 is installed on the arc-shaped blade 3.

In this embodiment, as shown in fig. 2 and 8, the through hole 71 with the same shape is formed right above the rotor 2 for the sealing sheet 7, so that after the sealing sheet 7 is covered, the rotor 2 and the through hole 71 can have better sealing performance, thereby ensuring that the sealing sheet 7 can completely seal and isolate the main cavity 1 and the end cover 10. The main housing 1 has a locating boss 14 for convenient location when mounting the sealing plate 7 and end cap 10.

In this embodiment, the bottom of the blade moving track 6 is located at a level higher than the top of the guide bar 8, so as to ensure that the blade moving track 6 only contacts with the guide wheel 9 in a rolling manner without interfering with the guide bar 8 when the guide wheel 9 reciprocates on the surface of the guide bar 8.

Example two

As shown in fig. 10, the compressor of the present embodiment is basically the same as the first embodiment, the upper end 33 and the lower end 32 of the arc-shaped vane 3 are rotatably mounted to the rotor 2 through bearings, respectively, and the upper end 33 of the arc-shaped vane 3 passes through the sealing plate 7 and is connected to the guide bar 8.

The compressor structure in this embodiment is different from the first embodiment in that an adapter plate 16 is movably installed on a guide rod 8, a steering bearing 15 is installed at the bottom of the adapter plate 16, the steering bearing 15 is rotatably installed on the guide rod 8, a left guide wheel 17 and a right guide wheel 18 are installed on the adapter plate 16, a blade moving track 6 is arranged at the inner top of an end cover 10, the blade moving track 6 is clamped by the left guide wheel 17 and the right guide wheel 18, and the blade moving track 6 is in rolling contact with the left guide wheel 17 and the right guide wheel 18. Just like the guide bar 8 of the first embodiment in which only the guide wheel 9 is mounted and the guide wheel 9 is in rolling contact with the vane moving rail 6, the left and

right guide wheels

17 and 18 hold the vane moving rail 6 and are in relative rolling contact with each other, and the opening and closing of the arc-shaped vanes 3 are controlled by the relative movement between the guide structure 19 and the vane moving rail 6 when the rotor 2 rotates.

EXAMPLE III

As shown in fig. 11 and 12, the structure of the compressor of this embodiment is substantially the same as that of the first embodiment or the second embodiment, except that the structure of the guide rod 8 of this embodiment may be configured to have fan blades (not shown, the principle of the fan blades, which is easily understood by those skilled in the art, is not shown here), so that the guide rod 8 can move the wind stream downwards during the rotation process, which can further increase the intake air amount. Meanwhile, the sealing sheet 7 is provided with a gap 73, so that the wind flow is driven downwards and enters the sealing cavity 12 through the gap 73 to be compressed by the arc-shaped blade 3 during the rotation of the guide rod 8 in the working compression process of the compressor. It should be noted that, as shown in fig. 1, in the first, second and third embodiments, the air inlet is disposed on the end cover 10, and the air inlet penetrates through the end cover 10, so that air can directly enter from above the end cover 10 and be driven by the fan blade structure of the guide rod 8 to move downwards, and the air outlet is penetratingly disposed on the side wall of the main cavity 1 at the end point of the rotation position of the arc-shaped blade 3.

In addition, the blade moving track 6 can be arranged on the end surface of the main cavity 1, and the specific arrangement structure can be set according to specific conditions, which is not described herein.

In conclusion, the rotor is eccentrically arranged in the main cavity, the curved arc-shaped blades are arranged in the circumferential direction of the rotor, the guide structure is arranged above the arc-shaped blades, the rotor rotates to drive the arc-shaped blades to circularly compress air in the compression space through the guide structure, and the compression efficiency is improved by at least 3 times compared with that of the traditional uniform compression space; the vibration generated in the rotation process of the rotor can be effectively reduced or eliminated through the arrangement of the guide structure. The rolling friction of the guide wheel of the guide structure replaces a blade and a compression cavity of a traditional compressor, the friction between a blade groove and the blade is avoided, the blade is not in contact with the compression cavity, lubricating oil is not needed, the cleanliness of compressed gas is guaranteed, maintenance-free performance is basically achieved, and a lubricating system of a conventional compressor is not needed.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a compressor, including the main cavity body, with the dismantled and assembled end cover of main cavity body and set up in the main cavity body with gasket between the end cover, the gasket will the main cavity body with space between the end cover divide into motion chamber and sealed chamber, a serial communication port, eccentric mounting has the rotor in the sealed chamber, sealed chamber with form compression space between the rotor, the marginal circumferencial direction evenly mounted of rotor at least one arc blade, arc blade when being in the extreme position under the open mode with the clearance has between the inner wall in sealed chamber, moving in the chamber corresponding to each arc blade's position department all is provided with guide structure, the rotor passes through in rotatory process guide structure control arc blade's opening and shutting.

2. The compressor of claim 1, wherein the inner wall profile shape of the seal cavity matches the motion trajectory of the curved vane head.

3. The compressor of claim 1, wherein the arcuate vane is an arcuate plate-like structural member, and the arcuate vane is concave in a counterclockwise direction.

4. The compressor of claim 1, wherein upper and lower ends of the arc-shaped vane are rotatably installed with the rotor through bearings, respectively, the upper end of the arc-shaped vane passes through the sealing sheet and is connected with a guide bar, the guide bar is movably installed with a guide wheel, and the guide wheel is in rolling contact with a vane moving track installed at an inner top of the head cover.

5. The compressor of claim 4, wherein the guide wheel is reciprocally movably installed with the guide bar in a horizontal direction.

6. The compressor of claim 4, wherein the blade movement track is irregularly elliptical in shape.

7. The compressor of claim 4, wherein the arcuate vanes are integrally formed with the guide rod.

8. The compressor of claim 4, wherein the sealing sheet is provided with a through hole having a uniform shape right above the rotor.

9. The compressor of claim 4, wherein the bottom of the blade moving track is at a higher level than the top of the guide bar.

10. The compressor of claim 1, wherein the upper end and the lower end of the arc-shaped blade are rotatably mounted on the rotor through bearings, the upper end of the arc-shaped blade passes through the sealing sheet and is connected with a guide rod, the guide rod is movably mounted with an adapter plate, the adapter plate is mounted with a left guide wheel and a right guide wheel, the inner top of the end cover is provided with a blade moving track, the left guide wheel and the right guide wheel clamp the blade moving track, and the blade moving track is in rolling contact with the left guide wheel and the right guide wheel.