CN218717668U - Coupling guard shield - Google Patents
Coupling guard shield Download PDFInfo
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- CN218717668U CN218717668U CN202222880345.3U CN202222880345U CN218717668U CN 218717668 U CN218717668 U CN 218717668U CN 202222880345 U CN202222880345 U CN 202222880345U CN 218717668 U CN218717668 U CN 218717668U
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- seal ring
- cover body
- oil seal
- connecting hole
- coupling
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Abstract
The utility model discloses a coupler guard shield, it belongs to centrifugal compressor technical field, include: the cover body is cylindrical, one end of the cover body is provided with a connecting hole, the inner wall surface of the connecting hole is provided with a bulge arranged along the circumferential direction of the connecting hole, and the section of the bulge is arc-shaped; the bulge is provided with a sealing ring groove; the cover body is divided into an upper cover body and a lower cover body; one end of the oil seal ring extends into the connecting hole; the oil seal ring is divided into an upper oil seal ring and a lower oil seal ring; the sealing ring is embedded in the sealing ring groove; the oil seal ring of the utility model is hermetically connected with the connecting hole of the cover body through the seal ring, and the position of the oil seal ring is convenient to adjust in the axial direction; moreover, the inner wall surface of the connecting hole is an arc-shaped bulge, and the connecting angle between the oil seal ring and the cover body can be adjusted; the utility model can effectively adjust the actual position of the compressor and the motor to ensure the sealing effect; the processing precision and the processing difficulty of the cover body are reduced, the manufacturing cost is reduced, and the assembly difficulty is reduced.
Description
Technical Field
The utility model relates to a centrifugal compressor technical field, concretely relates to coupler guard shield.
Background
A centrifugal compressor is a vane rotary compressor. In a centrifugal compressor, an impeller is rotated at a high speed by a motor to impart a centrifugal force to a gas and a diffusion effect to the gas in a diffusion passage, thereby increasing the gas pressure. In general, a motor and a compressor are connected through a coupler, and a coupler shield is required to be added outside the coupler to prevent accidents caused by the fact that coupler parts damage parts and fly out.
In some special chemical plants, the coupling shield is also required to meet the requirements of totally closed and sparkless explosion prevention. The general coupler shield can only protect the coupler, but can not protect the driving shafts of the compressor and the motor, and can not meet the fully-closed requirement. The existing totally-enclosed coupler shield has the defects of complex structure, high manufacturing and processing cost and difficult installation, and is difficult to effectively adjust according to the actual positions of a compressor and a motor in the installation process, so that the simultaneous realization of the enclosed effect on the two sides of the compressor and the motor is difficult to ensure.
Therefore, the design of the totally-enclosed sparkless coupling shield which has a simple structure, is easy and convenient to install and low in cost and can be adjusted according to the actual positions of the compressor and the motor is a problem to be solved urgently at the present stage.
SUMMERY OF THE UTILITY MODEL
For the problems existing in the prior art, the oil seal ring is connected with the connecting hole of the cover body in a sealing manner through the sealing ring, and the position of the oil seal ring is convenient to adjust in the axial direction; moreover, the inner wall surface of the connecting hole is an arc-shaped bulge, and the connecting angle between the oil seal ring and the cover body can be adjusted; the utility model can be effectively adjusted according to the actual positions of the compressor and the motor, and the sealing effect is ensured; the processing precision and the processing difficulty of the cover body are reduced, the manufacturing cost is reduced, and the assembly difficulty is reduced.
In order to realize the purpose, the utility model adopts the technical scheme as follows:
the utility model provides a pair of coupler guard shield, include:
the cover body is cylindrical, one end of the cover body is provided with a connecting hole, the inner wall surface of the connecting hole is provided with a bulge arranged along the circumferential direction of the connecting hole, and the section of the bulge is arc-shaped; the bulge is provided with a sealing ring groove; the cover body is divided into an upper cover body and a lower cover body along the axial direction of the cover body, and the upper cover body and the lower cover body form the connecting hole and an accommodating cavity capable of accommodating the coupler when being connected;
one end of the oil seal ring extends into the connecting hole; the oil seal ring is divided into an upper oil seal ring and a lower oil seal ring along the axial direction of the oil seal ring;
the sealing ring is embedded in the sealing ring groove; when the oil seal ring stretches into the connecting hole, the outer wall surface of the oil seal ring is abutted to the sealing ring.
As a preferable technical scheme, the axis of the cover body, the axis of the connecting hole and the axis of the oil seal ring are collinear.
As a preferred technical scheme, one end of the coupling is provided with a motor, and the other side of the coupling is provided with a compressor; the oil seal ring is fixedly connected with the motor, and one end of the cover body, which is far away from the oil seal ring, is fixedly connected with the compressor.
As a preferred technical scheme, the oil seal ring is fixedly connected with the motor through a bolt; a flange plate is arranged at one end of the cover body, which is far away from the oil seal ring, and the flange plate is fixedly connected with the compressor through bolts; and sealing gaskets are arranged between the oil seal ring and the motor and between the flange plate and the compressor.
As a preferable technical scheme, the cross section of the bulge is in an arc shape, and the seal ring groove is positioned at the top of the bulge; when the seal ring is embedded in the seal ring groove, part of the seal ring protrudes from the seal ring groove.
As a preferable technical scheme, the upper cover body is positioned above the lower cover body, the upper cover body and the lower cover body are both provided with connecting fins, and the connecting fins are fixedly connected through bolts.
As a preferred technical scheme, the upper end of the upper cover body is provided with a hanging ring.
As a preferable technical scheme, an air filter is arranged at the upper end of the upper cover body.
As a preferable technical scheme, a plurality of reinforcing ribs are arranged on the inner wall surfaces of the upper cover body and the lower cover body.
As a preferable technical scheme, the bottom of the lower cover body is provided with a plug.
The utility model has the advantages of that:
the oil seal ring of the utility model is hermetically connected with the connecting hole of the cover body through the seal ring, and the position of the oil seal ring is convenient to adjust in the axial direction; moreover, the inner wall surface of the connecting hole is an arc-shaped bulge, and the connecting angle between the oil seal ring and the cover body can be adjusted; the utility model can effectively adjust the actual position of the compressor and the motor to ensure the sealing effect; the processing precision and the processing difficulty of the cover body are reduced, the manufacturing cost is reduced, and the assembly difficulty is reduced.
Drawings
Fig. 1 is a schematic view of an overall structure of an embodiment of a coupling boot according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic view of the present invention in use;
fig. 5 is a schematic view of fig. 4 after the upper cover body is hidden.
In the figure: the sealing structure comprises a cover body 1, a connecting hole 11, a sealing ring groove 12, an upper cover body 13, a hanging ring 131, an air filter 132, a lower cover body 14, a plug 141, a flange plate 15, a sealing gasket 16, a connecting fin 17, a reinforcing rib 18, an oil seal ring 2, an oil seal ring 21, an oil seal ring 22, a lower oil seal ring 3, a sealing ring 4, a motor 5, a compressor 6 and a coupler 6.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, an embodiment of a coupling shield according to the present invention includes: the coupler 6 is characterized by comprising a cylindrical cover body 1, wherein the cover body 1 is divided into an upper cover body 13 and a lower cover body 14 along the axial direction of the cover body 1, the upper cover body 13 and the lower cover body 14 are respectively positioned above and below the coupler 6, the coupler 6 can be accommodated after the upper cover body 13 and the lower cover body 14 are connected, and the inner wall of the cover body 1 is in clearance fit with the outer wall of the coupler 6; one end of the cover body 1 is provided with a connecting hole 11 into which the oil seal ring 2 extends, and the position of the oil seal ring 2 can be adjusted in the axial direction by adjusting the length of the oil seal ring 2 extending into the connecting hole 11; the inner wall surface of the connecting hole 11 is provided with a bulge arranged along the circumferential direction of the connecting hole, and the section of the bulge is arc-shaped, so that the connecting angle between the oil seal ring 2 and the cover body 1 at the connecting hole 11 can be slightly adjusted, the installation is convenient, and the sealing effect is ensured; the bulge is provided with a sealing ring groove 12, a sealing ring 3 is embedded in the sealing ring groove 12, when the oil seal ring 2 extends into the connecting hole 11, the outer wall surface of the oil seal ring 2 is abutted against the sealing ring 3, and the oil seal ring 2 is hermetically connected with the cover body 1; specifically, the oil seal ring 2 is divided into an upper oil seal ring 21 and a lower oil seal ring 22 along the axial direction, the upper oil seal ring 21 is matched with the upper cover body 13, and the lower oil seal ring 22 is matched with the lower cover body 14, so that the oil seal ring 2 is convenient to install.
The upper cover 13, the lower cover 14, the upper oil seal ring 21, and the lower oil seal ring 22 are preferably made of an aluminum alloy material, and do not generate sparks even if they collide with flying parts.
It should be noted, please refer to fig. 1 and fig. 3, the utility model discloses at initial state, the equal preferred collineation setting of axis of the cover body 1, the axis of connecting hole 11 and the axis of oil blanket ring 2, when will the utility model discloses when installing on shaft coupling 6, the axis of the cover body 1 and the axis collineation of shaft coupling 6, the shape that holds the chamber of the cover body 1 matches with the shape of shaft coupling 6, can reduce the utility model discloses a volume.
Please refer to fig. 3 and 4, one end of the coupling 6 is provided with the motor 4, the other side of the coupling 6 is provided with the compressor 5, and the coupling 6 connects the driving shaft of the motor 4 with the compressor 5, so as to realize that the motor 4 drives the impeller to rotate at a high speed; the oil seal ring 2 is fixedly connected with the motor 4, and one end of the cover body 1, which is far away from the oil seal ring 2, is fixedly connected with the compressor 5, so that full sealing is realized; specifically, the oil seal ring 2 is preferably fixedly connected with the motor 4 through bolts; one end of the cover body 1, which is far away from the oil seal ring 2, is provided with a flange 15, and the flange 15 is preferably fixedly connected with the compressor 5 through bolts, and two ends of the utility model are respectively fixed with the motor 4 and the compressor 5, so that no additional support is needed, the installation space can be further reduced, and great convenience is brought to the whole machine layout and the gas pipeline layout of the compressor 5; correspondingly, threaded holes are formed in the corresponding positions of the motor 4 and the compressor 5; sealing gaskets 16 are arranged between the oil seal ring 2 and the motor 4 and between the flange plate 15 and the compressor 5, and the sealing gaskets 16 can improve the connection tightness.
In this embodiment, referring to fig. 2, the convex section of the inner wall surface of the connection hole 11 is preferably arc-shaped, and the seal ring groove 12 is located at the top of the convex section, so that when the oil seal ring 2 extends into the connection hole 11, the connection angle can be adjusted more conveniently; when the sealing ring 3 is embedded in the sealing ring groove 12, part of the sealing ring 3 protrudes from the sealing ring groove 12, and the sealing ring 3 is abutted against the extending oil seal ring 2, so that the sealing performance of the connection between the oil seal ring 2 and the cover body 1 is ensured; specifically, the seal ring groove 12 is preferably an O-ring groove, and the seal ring 3 is preferably an O-ring.
In the present embodiment, referring to fig. 1, 3 and 4, the upper cover 13 is located above the lower cover 14, and preferably, a dividing plane between the upper cover 13 and the lower cover 14 is a horizontal plane; the upper cover body 13 and the lower cover body 14 are both provided with connecting fins 17, and the two connecting fins 17 are preferably fixedly connected through bolts.
In this embodiment, referring to fig. 1, 3 and 4, a hanging ring 131 is disposed at an upper end of the upper cover 13, and the cover 1 can be installed and repaired in a hanging manner through the hanging ring 131.
In this embodiment, referring to fig. 1, fig. 3 and fig. 4, an air filter 132 is disposed at an upper end of the upper cover 13, and the air filter 132 can prevent external impurities from entering the accommodating cavity, and simultaneously ensure that the air pressure inside the accommodating cavity is consistent with the external air pressure, so as to meet the explosion-proof requirement; specifically, the air filter 132 is preferably a C-type air filter.
In the present embodiment, referring to fig. 3, a plurality of reinforcing ribs 18 are disposed on the inner wall surfaces of the upper cover 13 and the lower cover 14, and the reinforcing ribs 18 can improve the structural strength of the upper cover 13 and the lower cover 14.
In this embodiment, referring to fig. 1, 4 and 5, a plug 141 is disposed at the bottom of the lower cover 14, and oil contamination in the accommodating chamber can be conveniently discharged through the plug 141 during maintenance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A coupling shroud, comprising:
the cover body is cylindrical, one end of the cover body is provided with a connecting hole, the inner wall surface of the connecting hole is provided with a bulge arranged along the circumferential direction of the connecting hole, and the section of the bulge is arc-shaped; the bulge is provided with a sealing ring groove; the cover body is divided into an upper cover body and a lower cover body along the axial direction of the cover body, and the upper cover body and the lower cover body form the connecting hole and an accommodating cavity capable of accommodating the coupler when being connected;
one end of the oil seal ring extends into the connecting hole; the oil seal ring is divided into an upper oil seal ring and a lower oil seal ring along the axial direction of the oil seal ring;
the sealing ring is embedded in the sealing ring groove; when the oil seal ring stretches into the connecting hole, the outer wall surface of the oil seal ring is abutted to the sealing ring.
2. The coupling boot of claim 1, wherein the axis of the cover, the axis of the attachment hole, and the axis of the oil seal ring are collinear.
3. A coupling shroud according to claim 1, wherein one end of the coupling is provided with a motor and the other side of the coupling is provided with a compressor; the oil seal ring is fixedly connected with the motor, and one end, far away from the oil seal ring, of the cover body is fixedly connected with the compressor.
4. The coupling shroud of claim 3 wherein the oil seal ring is fixedly connected to the electric machine by bolts; a flange plate is arranged at one end of the cover body, which is far away from the oil seal ring, and the flange plate is fixedly connected with the compressor through bolts; and sealing gaskets are arranged between the oil seal ring and the motor and between the flange plate and the compressor.
5. A coupling shroud in accordance with claim 1, wherein said boss is arcuate in cross-section, said seal ring groove being located at a top of said boss; when the seal ring is embedded in the seal ring groove, part of the seal ring protrudes from the seal ring groove.
6. The coupling shroud of claim 1, wherein the upper shroud is positioned above the lower shroud, and both the upper shroud and the lower shroud have connecting fins that are fixedly connected by bolts.
7. A coupler shield according to claim 1 or 6, wherein the upper end of the upper shield body is provided with a lifting ring.
8. A coupling shield according to claim 1 or 6, in which the upper end of the upper housing is provided with an air filter.
9. The coupling shroud of claim 1 or 6, wherein inner wall surfaces of the upper cage and the lower cage are each provided with a plurality of ribs.
10. A coupling shield according to claim 1 or 6, in which the bottom of the lower housing is provided with a spigot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222880345.3U CN218717668U (en) | 2022-10-31 | 2022-10-31 | Coupling guard shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222880345.3U CN218717668U (en) | 2022-10-31 | 2022-10-31 | Coupling guard shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717668U true CN218717668U (en) | 2023-03-24 |
Family
ID=85595932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222880345.3U Active CN218717668U (en) | 2022-10-31 | 2022-10-31 | Coupling guard shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717668U (en) |
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2022
- 2022-10-31 CN CN202222880345.3U patent/CN218717668U/en active Active
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