CN219388164U - High-pressure vortex end sealing structure of vortex compressor - Google Patents
High-pressure vortex end sealing structure of vortex compressor Download PDFInfo
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- CN219388164U CN219388164U CN202320142007.1U CN202320142007U CN219388164U CN 219388164 U CN219388164 U CN 219388164U CN 202320142007 U CN202320142007 U CN 202320142007U CN 219388164 U CN219388164 U CN 219388164U
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Abstract
The utility model discloses a high-pressure vortex end sealing structure of a vortex compressor, which comprises an movable vortex disc, a static vortex disc and sealing strips, wherein vortex-shaped movable vortex teeth and vortex teeth are respectively and fixedly arranged on the movable vortex disc and the static vortex disc, movable and static sealing grooves are respectively formed at the outer ends of the movable and static vortex teeth along the vortex shape, and the sealing strips are respectively arranged in the movable sealing groove and the static sealing groove in a clearance fit manner and are matched with the movable sealing groove and the static sealing groove vortex shape. This application is through setting up drainage seam and water conservancy diversion seam in sealing strip and seal groove, utilizes the high low pressure differential of air current, with air introduction seal groove installation bottom to promote the sealing strip come-up, tightly support the cell wall, thereby guarantee that sound vortex dish compression chamber possesses good sealed effect.
Description
Technical Field
The utility model relates to the technical field of vortex disc sealing of air compressors, in particular to a high-pressure vortex end sealing structure of a vortex compressor.
Background
The vortex air compressor is formed by the mutual engagement of a functional side and a movable vortex and a fixed vortex of a molded line. In the working processes of air suction, compression and air discharge, a fixed vortex disk is fixed on a frame, a movable disk is driven by an eccentric shaft and restricted by an automatic prevention mechanism, and rotates around the base circle center of the fixed disk in a plane with a small radius, gas is sucked into the periphery of the fixed disk through an air filter core, and is gradually compressed in a plurality of pairs of crescent compression cavities formed by meshing of the movable disk and the static disk along with the rotation of the eccentric shaft, and then is continuously discharged from an axial hole of the fixed disk.
The problem that present vortex air compressor appears lies in, has the clearance between movable vortex dish and the quiet vortex tooth, causes the interior hourglass of gas in the movable vortex dish compression chamber easily, leads to gas compression incompletely, influences the holistic energy efficiency ratio of compressor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-pressure vortex end sealing structure of a vortex compressor with a simple structure and a sealing function.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vortex compressor high pressure vortex end seal structure, includes moves vortex dish, quiet vortex dish, sealing strip, move vortex dish and quiet vortex dish on having set firmly vortex form move vortex tooth and quiet vortex tooth respectively, move, quiet vortex tooth outer end has seted up respectively along the volute and has moved, quiet seal groove, the sealing strip clearance fit's setting respectively moves seal groove and quiet seal groove inslot, and with move seal groove and quiet seal groove volute adaptation.
Further, a gap is reserved between the outer end of the movable vortex tooth and the fixed vortex disc, a gap is reserved between the outer end of the fixed vortex tooth and the movable vortex disc, and the length of the sealing strip in the movable and fixed sealing grooves along the groove depth direction is larger than the size of the gap.
The height of the sealing strip is further higher than the depth of the dynamic sealing groove and the static sealing groove.
The sealing strip is characterized in that the surface of the sealing strip facing the vortex center is a sealing strip side wall, and a plurality of drainage seams are formed in the sealing strip side wall.
The sealing strip is characterized in that the surface of the sealing strip facing the bottom of the dynamic sealing groove and the bottom of the static sealing groove are sealing strip bottom walls, and a plurality of flow guide slits which are respectively communicated with the flow guide slits are formed in the sealing strip bottom walls.
Further the drainage seam is arranged in a tooth shape.
The further drainage joints are arranged in the direction from inside to outside along the vortex center.
Further, the opening angles of the drainage seam and the diversion seam are acute angles.
Further, the inner sides of the dynamic sealing groove and the static sealing groove are sealing groove side walls, groove wall drainage joints are formed in the sealing groove side walls, and groove bottom drainage joints communicated with the groove wall drainage joints are formed in the groove bottoms of the dynamic sealing groove and the static sealing groove.
Further the sealing strip is a polytetrafluoroethylene sealing strip.
The beneficial effects of the utility model are as follows: through set up the seal groove in the vortex tooth outside, the sealing strip sets up in the seal groove, cuts drainage seam, water conservancy diversion seam respectively on the sealing strip and in the seal groove, utilizes the high low pressure differential of air current, with high-pressure gas leading-in seal groove bottom and between the sealing strip, promotes the sealing strip come-up, tightly support the cell wall to guarantee that sound vortex dish compression chamber possesses good sealed effect, and when the sealing strip takes place wearing and tearing, can last to come-up to promote the sealing strip, ensure effectual performance and life.
Drawings
FIG. 1 is a schematic view of a structure of a fixed scroll;
FIG. 2 is a schematic view of a structure of a movable scroll;
FIG. 3 is a schematic diagram of a seal strip structure in a static seal groove on a static vortex disc;
FIG. 4 is a schematic view showing the structure of the weather strip in the mounted state;
FIG. 5 is a schematic view of the sealing strip in the working state;
FIG. 6 is a schematic view of the position of the slot wall flow guide slot and slot bottom flow guide slot in the static seal slot.
Reference numerals: a fixed scroll 1; static vortex teeth 2; an air inlet 3; an air outlet 4; a static seal groove 5; a movable scroll 6; a movable vortex tooth 7; a dynamic seal groove 8; a sealing strip 9; a drainage slit 10; a diversion slit 11; a seal strip side wall 12; a seal strip bottom wall 13; the side wall 14 of the sealing groove, the groove wall flow guiding seam 15 and the groove bottom flow guiding seam 16.
Description of the embodiments
The utility model is further described with reference to the accompanying drawings.
The utility model provides a scroll compressor high pressure vortex end seal structure, refer to fig. 1 and 2, including quiet vortex dish 1 and move vortex dish 6, be equipped with the quiet vortex tooth 2 of vortex form and move vortex tooth 7 on quiet vortex dish 1 and the move vortex dish 6 respectively, the outer end of quiet vortex dish still is equipped with inlet port 3, be equipped with venthole 4 along the center department of the vortex direction of quiet vortex tooth, move vortex dish 6 can be covered to quiet vortex dish 1, make move vortex tooth 7 butt into in the tooth clearance of quiet vortex tooth 2, quiet seal groove 5 has been seted up respectively to quiet vortex tooth 2 and move seal groove 8 with moving vortex tooth 7's outer end, sealing strip 9 sets up respectively in moving seal groove 5 and quiet seal groove 8.
Referring to fig. 3, the surface of the sealing strip 9 facing the vortex center is a sealing strip side wall 12, the surface of the sealing strip facing the bottom of the sealing groove is a sealing strip bottom wall 13, a plurality of tooth-shaped drainage slits 10 are formed in the sealing strip side wall 12, a plurality of diversion slits 11 communicated with the drainage slits 10 are formed in the sealing strip bottom wall 13, in order to better guide air flow between the bottom of the sealing groove and the sealing strip, the drainage slits 10 are formed in the direction facing the vortex center, namely, facing the high-pressure position, and the opening angle of the drainage slits and the diversion slits is set to be an acute angle.
Referring to fig. 4 and 5, the height of the sealing strip 9 is slightly higher than the height of the Yu Jing sealing groove 5, in order to avoid the influence of the sealing strip in the static sealing groove 5 on the installation of the movable scroll 6 and the static scroll 1, when the movable scroll 6 and the static scroll 1 are covered, a small amount of gaps are reserved between the sealing strip installed in the static sealing groove 8 and the movable scroll 6, and in order to ensure that the gap between the movable scroll and the static scroll can be completely sealed after the sealing strip 9 floats upwards, the length of the sealing strip in the movable sealing groove and the static sealing groove along the groove depth direction is larger than the size of the gaps.
The specific implementation process comprises the following steps: when the scroll compressor works, the movable vortex teeth 7 move in the gap between the fixed vortex teeth, gas enters between the vortex teeth from the gas inlet 3, along with the movement of the movable vortex teeth 7, compressed gas in a compression cavity is formed, the gas pressure is gradually increased along the direction of the center of the vortex, high-pressure gas is discharged from the gas outlet 4, in the whole process, air moves towards the center of the vortex along the vortex, a part of the high-pressure gas flows into the fixed seal groove 5 through the side wall 12 of the sealing strip and the drainage slot 10, a side thrust is formed when the high-pressure gas enters into the fixed seal groove 5, the sealing strip 9 is tightly attached to the side wall far away from the side wall 12 of the sealing strip, a part of the air enters into the flow guide slot 11 communicated with the sealing strip 9 from the drainage slot 10 on the sealing strip 9, and accordingly an upward lifting force is given to the sealing strip 9, so that the sealing strip 9 is tightly attached to the surface of the movable vortex disc 6, and at the moment, the sealing strip 9 tightly abuts against the wall of the fixed seal groove 5 and the surface of the movable vortex disc 6 (shown in fig. 5), so that the sealing effect of the sealing strip 9 is improved.
Referring to fig. 6, in order to further introduce air flow between the bottom of the sealing groove and the sealing strip, the inner side of the sealing groove 5 is a sealing groove side wall 14, a groove wall drainage slot 15 may be further provided on the sealing groove side wall 14, the groove bottom of the sealing groove is provided with a groove bottom drainage slot 16 communicated with the groove wall drainage slot 15, and high-pressure air enters the groove bottom drainage slot 16 along the groove wall drainage slot 15, at this time, the high-pressure air enters between the sealing strip 9 and the groove bottom of the sealing groove, thereby lifting the sealing strip, completing sealing, not only improving sealing stability of the sealing strip 9, but also the sealing strip 9 is made of polytetrafluoroethylene material, has high temperature resistance and wear resistance, and prolongs service life.
The sealing principle of the sealing strip on the movable vortex disc is the same as that of the sealing strip on the fixed vortex disc.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. The utility model provides a vortex compressor high pressure vortex end seal structure, includes moves vortex dish, quiet vortex dish, sealing strip, move vortex dish and quiet vortex dish on having set firmly vortex form move vortex tooth and quiet vortex tooth respectively, move, quiet vortex tooth outer end has seted up respectively along the volute and has moved, quiet seal groove, its characterized in that, the sealing strip clearance fit's setting respectively moves seal groove and quiet seal groove inslot, and with move seal groove and quiet seal groove volute adaptation.
2. The high-pressure scroll end sealing structure of a scroll compressor according to claim 1, wherein a gap is left between the outer end of the movable scroll teeth and the fixed scroll, a gap is left between the outer end of the fixed scroll teeth and the movable scroll, and the length of the sealing strip in the moving and fixed sealing grooves along the groove depth direction is larger than the size of the gap.
3. The high pressure scroll end sealing structure of claim 2, wherein said seal strip is higher than said dynamic and static seal groove depths.
4. The high-pressure vortex end sealing structure of a vortex compressor according to claim 3, wherein the surface of the sealing strip facing the vortex center is a sealing strip side wall, and a plurality of drainage seams are formed in the sealing strip side wall.
5. The high-pressure vortex end sealing structure of a vortex compressor according to claim 4, wherein the surface of the sealing strip facing the bottom of the dynamic sealing groove and the static sealing groove is a sealing strip bottom wall, and the sealing strip bottom wall is provided with a plurality of diversion slits which are respectively communicated with the diversion slits.
6. A scroll compressor high pressure scroll end seal as claimed in claim 4 or claim 5, wherein said drainage slots are provided in a scalloped configuration.
7. The high-pressure scroll end sealing structure of a scroll compressor according to claim 4 or 5, wherein the drainage slit is formed in a direction inclined from inside to outside along the center of the scroll.
8. The scroll compressor high-pressure scroll end sealing structure of claim 5, wherein the opening angles of the flow guiding slits and the flow guiding slits are acute angles.
9. The high-pressure vortex end sealing structure of a vortex compressor of claim 1, wherein the inner sides of the dynamic sealing groove and the static sealing groove are sealing groove side walls, the sealing groove side walls are provided with groove wall drainage joints, and groove bottom diversion joints communicated with the groove wall drainage joints are formed in the groove bottoms of the dynamic sealing groove and the static sealing groove.
10. The high-pressure scroll-end sealing structure of a scroll compressor according to claim 1, wherein the sealing strip is a polytetrafluoroethylene sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142007.1U CN219388164U (en) | 2023-02-07 | 2023-02-07 | High-pressure vortex end sealing structure of vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142007.1U CN219388164U (en) | 2023-02-07 | 2023-02-07 | High-pressure vortex end sealing structure of vortex compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388164U true CN219388164U (en) | 2023-07-21 |
Family
ID=87166759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320142007.1U Active CN219388164U (en) | 2023-02-07 | 2023-02-07 | High-pressure vortex end sealing structure of vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388164U (en) |
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2023
- 2023-02-07 CN CN202320142007.1U patent/CN219388164U/en active Active
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