CN209761670U - Plane sealing structure of axial compression compressor - Google Patents
Plane sealing structure of axial compression compressor Download PDFInfo
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- CN209761670U CN209761670U CN201920322862.4U CN201920322862U CN209761670U CN 209761670 U CN209761670 U CN 209761670U CN 201920322862 U CN201920322862 U CN 201920322862U CN 209761670 U CN209761670 U CN 209761670U
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Abstract
the utility model discloses a plane sealing structure of an axial compression compressor, which comprises a cylinder body, an air suction and exhaust pipe seat and a special-shaped sealing ring, wherein the special-shaped sealing ring is made of elastic materials, the cylinder body is provided with a cylinder body sealing plane, and a cylinder body air exhaust port and a cylinder body air suction port are arranged on the cylinder body sealing plane; the suction and exhaust pipe seat is provided with a pipe seat sealing plane, the cylinder body is required to be attached to the pipe seat sealing plane, and the pipe seat sealing plane is provided with a high-pressure cavity opening and a suction opening; a sunken sealing groove is also arranged on the sealing plane of the cylinder body, and the sealing groove is closed and surrounds the outer sides of the exhaust port of the cylinder body and the air suction port of the cylinder body; the special-shaped sealing ring is embedded into the sealing groove and is extruded between the sealing plane of the pipe seat and the sealing groove. The utility model discloses not only have the advantage that sealing reliability is high, need sealed planar machining precision requirement still less to tube socket sealing plane and cylinder body simultaneously to can reduce the processing cost.
Description
Technical Field
The utility model relates to a plane seal structure of axial compression compressor.
Background
Leakage is one of the most common faults of the automobile air-conditioning compressor, and the damage can cause the loss of refrigerant in the air-conditioning system and lubricating oil in the compressor, so that the lubrication of the compressor is poor, the compressor generates abnormal wear, abnormal sound or clamping stagnation and other faults, and finally the air-conditioning system does not work.
In the prior art, a plane sealing structure of a compressor cylinder body and a suction and exhaust pipe seat is generally realized by using plane sealing of a metal composite gasket and depending on close fitting of two planes to be sealed and the metal composite gasket. The metal composite pad with small compressible deformation amount needs to be matched with a sealed plane with high precision to ensure the reliability of the sealing structure. In practical use, the reliability of the plane sealing structure is not high, leakage phenomena often occur, and particularly, the requirement of a client on the leakage quantity is improved, so that the requirement of one-time submission qualification rate is more difficult to meet.
SUMMERY OF THE UTILITY MODEL
the to-be-solved technical problem of the utility model is to adopt the metal composite pad to seal and produce easily and leak in order to overcome among the prior art compressor, to the defect that sealed planar machining precision requires height, provide an axial compression compressor's plane seal structure.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
The plane sealing structure of axial compression compressor includes cylinder body and suction and exhaust pipe seat, and is characterized by that said plane sealing structure also includes special-shaped sealing ring made of elastic material,
The cylinder body is provided with a cylinder body sealing plane, and a cylinder body exhaust port and a cylinder body air suction port are formed in the cylinder body sealing plane;
The suction and exhaust pipe seat is provided with a pipe seat sealing plane, the cylinder body is in fit arrangement with the pipe seat sealing plane by the sealing plane, and the pipe seat sealing plane is provided with a high-pressure cavity opening and a suction opening;
A sunken sealing groove is further formed in the sealing-required plane of the cylinder body, and the sealing groove is closed and surrounds the outer sides of the exhaust port of the cylinder body and the air suction port of the cylinder body;
The special-shaped sealing ring is embedded into the sealing groove, and the special-shaped sealing ring is extruded between the sealing plane of the tube seat and the sealing groove.
In this scheme, through the setting of sealed recess and special-shaped seal circle, played sealed effect in the outside of cylinder body gas vent and cylinder body induction port. The special-shaped sealing ring has elasticity, and can well play a role in sealing between the sealing plane of the pipe seat and the plane of the cylinder body needing to be sealed. Therefore, the sealing device has the advantage of high sealing reliability, and simultaneously has less requirements on the machining precision of the sealing plane of the tube seat and the sealing plane of the cylinder body, so that the machining cost can be reduced.
Preferably, the special-shaped sealing ring comprises a surrounding body and a middle partition part, the sealing groove comprises a surrounding groove and a middle partition groove, the surrounding body is embedded in the surrounding groove, and the middle partition part is embedded in the middle partition groove;
The surrounding groove is closed and surrounds the outer sides of the cylinder exhaust port and the cylinder suction port;
The middle partition groove is arranged between the cylinder body exhaust port and the cylinder body air suction port, and two ends of the middle partition groove are closed with the surrounding groove.
The middle partition groove and the middle partition part can form separation between the high-pressure cavity and the air suction opening of the sealing plane of the pipe seat, so that leakage between the high-pressure cavity and the air suction opening can be avoided. Meanwhile, the middle partition part and the special-shaped sealing ring are a complete part, and the middle partition groove and the sealing groove are integrally processed, so that the processing cost can be reduced.
preferably, the surrounding groove comprises a suction surrounding part, the surrounding body is provided with a corresponding suction section, and the suction surrounding part and the partition groove are enclosed and surround the outer side of the suction port of the cylinder body.
Preferably, the partition groove is attached to the edge of the air suction port of the cylinder body. The arrangement can enable the volume of the high-pressure cavity to be expanded to a greater extent, and therefore more noise reduction performance can be obtained.
Preferably, the cylinder suction port is circular, and the extension of the partition groove is circular arc.
preferably, the air suction surrounding part is attached to an edge of the air suction port of the cylinder. Therefore, the extending length of the air suction surrounding part and the air suction surrounding groove can be reduced, and the air leakage probability is reduced.
Preferably, the junction of the air suction surrounding part and the partition groove is provided with a circular arc transition section. Smooth transition can be realized to the circular arc changeover portion, makes the connection of dysmorphism sealing washer and sealed recess in the corner more smooth simultaneously.
Preferably, the cylinder body is provided with a mounting hole on a plane to be sealed, the surrounding groove comprises a mounting surrounding portion, the surrounding body comprises a corresponding mounting surrounding section, and the mounting surrounding portion extends along the outer side of the mounting hole. The mounting surrounding section and the mounting surrounding portion can avoid the mounting hole.
Preferably, the cross section of the sealing groove is rectangular, semicircular or trapezoidal.
Preferably, the material of the special-shaped sealing ring is rubber. The material can also be various rubber non-metallic materials, and can be selected according to the requirements of different sealing surfaces of the suction pipe seat and the exhaust pipe seat. The rubber material is preferably hydrogenated neoprene.
the utility model discloses an actively advance the effect and lie in: the utility model discloses not only have the advantage that sealing reliability is high, need sealed planar machining precision requirement still less to tube socket sealing plane and cylinder body simultaneously to can reduce the processing cost.
Drawings
fig. 1 is a schematic bottom view of an intake/exhaust pipe seat according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of the suction/exhaust pipe seat according to the preferred embodiment of the present invention.
Fig. 3 is a schematic view of a surface structure of a cylinder body according to a preferred embodiment of the present invention.
Fig. 4 is a schematic view of the internal structure of the cylinder body according to the preferred embodiment of the present invention.
fig. 5 is a schematic structural diagram of the special-shaped sealing ring according to a preferred embodiment of the present invention.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1-5, the utility model discloses a plane seal structure of axial compression compressor, including cylinder body 2 and suction and exhaust tube socket 1, wherein, the plane seal structure of axial compression compressor still includes special-shaped sealing ring 4, and special-shaped sealing ring 4 is made by elastic material.
As shown in fig. 1 and 2, the suction and exhaust pipe base 1 has a base sealing plane 11, which is attached to the cylinder body sealing plane 21, and the base sealing plane 11 is opened with a high pressure cavity 13 opening and a suction opening 12. The high pressure chamber 13 communicates with the tube seat exhaust port 15, and the suction opening 12 communicates with the tube seat suction port 14.
As shown in fig. 3 and 4, the cylinder 2 has a cylinder sealing plane 21, and a cylinder exhaust port 23 and a cylinder intake port 22 are opened on the cylinder sealing plane 21.
As shown in fig. 3, the cylinder sealing plane 21 is further provided with a sunken sealing groove 3, and the sealing groove 3 is closed around the cylinder exhaust port 23 and the outside of the cylinder suction port 22.
As shown in fig. 5, the contour seal ring 4 is embedded in the seal groove 3, and the contour seal ring 4 is pressed between the stem seal plane 11 and the seal groove 3.
in the scheme, the sealing groove 3 and the special-shaped sealing ring 4 are arranged, so that the sealing effect is achieved on the outer sides of the cylinder body air exhaust port 23 and the cylinder body air suction port 22. The special-shaped sealing ring 4 has elasticity, and can well play a role in sealing between the sealing plane 11 of the pipe seat and the plane 21 of the cylinder body to be sealed. Therefore, the sealing device has the advantage of high sealing reliability, and simultaneously has less requirements on the machining precision of the sealing plane 21 required by the tube seat 11 and the cylinder body, thereby reducing the machining cost.
As shown in fig. 3 and 5, the profiled sealing ring 4 of the present embodiment further includes a surrounding body 41 and a middle partition portion 42, the sealing groove 3 includes a surrounding groove 31 and a middle partition groove 32, the surrounding body 41 is embedded in the surrounding groove 31, and the middle partition portion 42 is embedded in the middle partition groove 32.
As shown in fig. 3, the surrounding groove 31 is closed around the outside of the cylinder discharge port 23 and the cylinder suction port 22. The intermediate groove 32 is provided between the cylinder discharge port 23 and the cylinder suction port 22, and both ends of the intermediate groove 32 are closed with the surrounding groove 31.
in this embodiment, the intermediate groove 32 and the intermediate portion 42 may form a barrier between the high pressure chamber 13 and the suction opening 12 of the stem sealing plane 11, so that leakage between the high pressure chamber 13 and the suction opening 12 can be prevented. Meanwhile, the middle partition part 42 and the special-shaped sealing ring 4 are integrated parts, and the middle partition groove 32 and the sealing groove 3 are integrally processed, so that the processing cost can be reduced.
As shown in fig. 3 and 5, the surrounding groove 31 includes an air suction surrounding portion 311, a corresponding air suction segment 411 is disposed around the body 41, and the air suction surrounding portion 311 and the partition groove 32 are enclosed around the outside of the cylinder air suction port 22.
As shown in FIG. 3, in this embodiment, the intermediate groove 32 is attached to the edge of the cylinder suction port 22. This arrangement enables the volume of the high-pressure chamber 13 to be expanded to a greater extent, whereby more noise reduction performance can be obtained.
In the present embodiment, the cylinder inlet port 22 is preferably circular, and the extension of the partition groove 32 is preferably circular arc. Of course, in other embodiments, the shape of the cylinder inlet port 22 may be any shape.
As shown in fig. 3, the intake air circulating portion 311 is attached to the left edge of the cylinder intake port 22. This reduces the extension length of the intake air circulating portion 311 and the intake air circulating groove 31, thereby reducing the probability of air leakage.
in this embodiment, the junction of the air suction surrounding part 311 and the middle partition groove 32 can be further provided with an arc transition section, which can realize smooth transition and simultaneously make the connection of the special-shaped sealing ring and the sealing groove 3 at the corner smoother.
as shown in fig. 3 and fig. 1, the cylinder body sealing plane 21 is provided with a mounting hole 24. The corresponding stem sealing plane 11 is also provided with mounting holes 16. The suction pipe seat 1 and the exhaust pipe seat 2 can be fixed by passing fasteners such as screws through the mounting holes 24 and the mounting holes 16, and the special-shaped sealing ring 4 is deformed to play a sealing role.
As shown in fig. 3 and 5, due to the arrangement of the mounting holes 24 and 16, the surrounding groove 31 includes a further mounting surrounding portion 312, the surrounding body 41 includes a corresponding mounting surrounding section 412, and the mounting surrounding portion 312 extends along the outside of the mounting hole 24. The mounting surround section 412 and the mounting surround 312 may avoid the mounting hole 24.
in the present embodiment, the cross section of the seal groove 3 is rectangular, semicircular, or trapezoidal. The section of the special-shaped sealing ring 4 can also be rectangular, semicircular or trapezoidal. The special-shaped sealing ring 4 of the embodiment is of an integral structure, which is beneficial to processing, and the possibility of setting the special-shaped sealing ring as a split body is not excluded in other embodiments.
The material of the special-shaped sealing ring 4 of the embodiment is rubber. The material can also be various rubber non-metallic materials, and can be selected according to the requirements of the sealing surface of different suction and exhaust pipe seats 1. The rubber material is preferably hydrogenated neoprene.
the utility model discloses not only have the advantage that sealing reliability is high, need sealed planar machining precision requirement still less to tube socket sealing plane and cylinder body simultaneously to can reduce the processing cost.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The plane sealing structure of axial compression compressor includes cylinder body and suction and exhaust pipe seat, and is characterized by that said plane sealing structure also includes special-shaped sealing ring made of elastic material,
The cylinder body is provided with a cylinder body sealing plane, and a cylinder body exhaust port and a cylinder body air suction port are formed in the cylinder body sealing plane;
The suction and exhaust pipe seat is provided with a pipe seat sealing plane, the cylinder body is in fit arrangement with the pipe seat sealing plane by the sealing plane, and the pipe seat sealing plane is provided with a high-pressure cavity opening and a suction opening;
A sunken sealing groove is further formed in the sealing-required plane of the cylinder body, and the sealing groove is closed and surrounds the outer sides of the exhaust port of the cylinder body and the air suction port of the cylinder body;
The special-shaped sealing ring is embedded into the sealing groove, and the special-shaped sealing ring is extruded between the sealing plane of the tube seat and the sealing groove.
2. A flat seal structure of an axial compression compressor according to claim 1,
The special-shaped sealing ring comprises a surrounding body and a middle partition part, the sealing groove comprises a surrounding groove and a middle partition groove, the surrounding body is embedded into the surrounding groove, and the middle partition part is embedded into the middle partition groove;
The surrounding groove is closed and surrounds the outer sides of the cylinder exhaust port and the cylinder suction port;
the middle partition groove is arranged between the cylinder body exhaust port and the cylinder body air suction port, and two ends of the middle partition groove are closed with the surrounding groove.
3. A flat sealing structure of an axial compression compressor as claimed in claim 2, wherein said surrounding groove includes a suction surrounding portion, said surrounding body is provided with a corresponding suction segment, and said suction surrounding portion and said intermediate groove are enclosed around the outside of the suction port of said cylinder block.
4. A flat sealing structure of an axial compression compressor according to claim 3, wherein said intermediate groove is formed in a peripheral portion of a suction port of said cylinder.
5. A flat seal structure of an axial compression compressor according to claim 4, wherein the suction port of the cylinder block is formed in a circular shape, and the extension shape of the partition groove is formed in a circular arc.
6. A flat sealing structure of an axial compression compressor according to claim 3, wherein said suction surrounding portion is attached to an edge of a suction port of said cylinder.
7. A flat seal structure of an axial compression compressor according to claim 3, wherein a junction of the suction surrounding portion and the intermediate groove has a circular arc transition section.
8. A flat seal structure of an axial compression compressor according to claim 2, wherein the cylinder block is provided with a mounting hole on a flat surface to be sealed, the surrounding groove includes a mounting surrounding portion, the surrounding body includes a corresponding mounting surrounding section, and the mounting surrounding portion extends along an outer side of the mounting hole.
9. A flat seal structure of an axial compression compressor according to any one of claims 1 to 8, wherein said seal groove has a rectangular, semicircular or trapezoidal cross section.
10. A flat seal structure of an axial compression compressor according to any one of claims 1 to 8, wherein the material of the contour seal ring is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322862.4U CN209761670U (en) | 2019-03-14 | 2019-03-14 | Plane sealing structure of axial compression compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322862.4U CN209761670U (en) | 2019-03-14 | 2019-03-14 | Plane sealing structure of axial compression compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761670U true CN209761670U (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920322862.4U Active CN209761670U (en) | 2019-03-14 | 2019-03-14 | Plane sealing structure of axial compression compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761670U (en) |
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2019
- 2019-03-14 CN CN201920322862.4U patent/CN209761670U/en active Active
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