CN213235441U - Screw air compressor - Google Patents
Screw air compressor Download PDFInfo
- Publication number
- CN213235441U CN213235441U CN202021146108.9U CN202021146108U CN213235441U CN 213235441 U CN213235441 U CN 213235441U CN 202021146108 U CN202021146108 U CN 202021146108U CN 213235441 U CN213235441 U CN 213235441U
- Authority
- CN
- China
- Prior art keywords
- flow guide
- air compressor
- storage cavity
- guide groove
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a screw air compressor, which comprises an air compressor shell, a female rotor and a male rotor which are arranged in the air compressor shell, wherein one side of the air compressor shell, which is close to an input shaft of the male rotor, is sequentially provided with a mounting seat and a mounting cover, a sealing ring which is sleeved on the input shaft of the male rotor is arranged in the mounting seat, one side of the sealing ring, which is close to the air compressor shell, is provided with an air storage cavity, an annular flow guide block which is sleeved on the input shaft of the male rotor is arranged in the air storage cavity, a flow guide groove is formed between the annular flow guide block and the side wall of the air storage cavity, the flow guide groove comprises a first flow guide groove and a second flow guide groove which are communicated, the first flow guide groove is positioned between the outer ring side wall of the annular flow guide block and the air storage cavity, the second flow guide groove is positioned on one side of the annular, improve the air tightness in the air compression process.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to a screw compressor machine.
Background
When the positive rotor of air compressor machine is high-speed rotatory when compressing the air, because the input shaft of positive rotor links to each other with external driving motor input shaft, at the rotatory in-process of positive rotor, compressed gas in the air compressor machine casing is along with the rotation of input shaft easily, reveal in the air compressor machine casing, though be equipped with the sealing washer in the mount pad, but because during the air leakage, for horizontal output, and certain pressure has, direct side with the sealing washer contacts, under the long-time effect, make the sealing washer wearing and tearing easily, the gas tightness when influence air compression.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a screw compressor.
In order to achieve the above object, the technical solution of the present invention is: a screw air compressor comprises an air compressor shell, a female rotor and a male rotor which are arranged in the air compressor shell, wherein a mounting seat and a mounting cover are sequentially arranged on one side, close to the male rotor, of the air compressor shell, a sealing ring sleeved on the male rotor input shaft is arranged in the mounting seat, a gas storage cavity is arranged on one side, close to the air compressor shell, of the sealing ring, part of the sealing ring is positioned in the gas storage cavity, an annular flow guide block sleeved on the male rotor input shaft is arranged in the gas storage cavity, a flow guide groove is formed between the annular flow guide block and the side wall of the gas storage cavity and comprises a first flow guide groove and a second flow guide groove which are communicated, the first flow guide groove is positioned between the outer ring side wall of the annular flow guide block and the gas storage cavity, and the second flow guide groove is positioned on one side, close to the sealing ring, of the annular flow guide block, and contacts with the side wall of the outer ring of the sealing ring.
Preferably, the outer ring side wall of the annular flow guide block is arc-shaped, and the side wall of the gas storage cavity corresponding to the outer ring side wall of the annular flow guide block is also arc-shaped.
Preferably, one third of the transverse part of the sealing ring is positioned in the air storage cavity.
Preferably, the sealing washer is including laminating inlayer and extrusion skin, the annular is equipped with a plurality of elastic components between laminating inlayer and the extrusion skin.
Preferably, the mounting comprises upper and lower housings which are detachably connected.
Through adopting foretell technical scheme, the beneficial effects of the utility model are that: at the high-speed rotation in-process of positive rotor, the compressed air in the air compressor machine casing transversely reveals, under the water conservancy diversion effect of annular water conservancy diversion piece, from first guiding gutter flow direction second guiding gutter after, direct action is outer in the extrusion, extrude outer extrusion elastic component, the elastic component produces elasticity, carry out the elasticity extrusion to the laminating inlayer simultaneously, make the laminating inlayer can further laminate the input shaft, eliminate the compressed air who reveals and produce the impact of side direction to the sealing washer, improve the gas tightness among the air compression process.
Drawings
Fig. 1 is a sectional view of the air compressor of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the sealing ring of the present invention.
Description of the main reference numerals: 1 air compressor casing, 2 negative rotors, 3 positive rotors, 4 mount pads, 5 installation covers, 6 sealing washers, 61 laminating inlayers, 62 extrusion skin, 7 annular water conservancy diversion blocks, 8 guiding gutters, 81 first guiding gutters, 82 second guiding gutters, 9 elastic component.
Detailed Description
A screw air compressor, as shown in figure 1, comprises an air compressor shell 1, a female rotor 2 and a male rotor 3 which are arranged in the air compressor shell 1, wherein a mounting seat 4 and a mounting cover 5 are sequentially arranged on one side, close to the male rotor 3, of the air compressor shell 1, the input shaft of the male rotor 3 sequentially penetrates through the mounting seat 4 and the mounting cover 5, as shown in figure 2, a sealing ring 6 which is sleeved on the input shaft of the male rotor 3 is arranged in the mounting seat 4, a gas storage cavity is arranged on one side, close to the air compressor shell 1, of the sealing ring 6, part of the sealing ring 6 is located in the gas storage cavity, as shown in figure 3, the sealing ring 6 comprises a laminating inner layer 61 and an extruding outer layer 62, the laminating inner layer 61 and the extruding outer layer 62 are both made of elastic plastic materials, and a plurality of elastic pieces 9 are annularly arranged between the laminating inner layer; as a preferred option, the elastic member 9 in this embodiment is a telescopic spring, as shown in fig. 2, an annular flow guide block 7 sleeved on the input shaft of the male rotor 3 is arranged in the gas storage cavity, a flow guide groove 8 is formed between the annular flow guide block 7 and the side wall of the gas storage cavity, the flow guide groove 8 includes a first flow guide groove 81 and a second flow guide groove 82 which are communicated with each other, the first flow guide groove 81 is located between the outer ring side wall of the annular flow guide block 7 and the gas storage cavity, and the second flow guide groove 82 is located on one side of the annular flow guide block 7 close to the sealing ring 6 and contacts with the outer ring side wall of the sealing ring 6.
Further, as shown in fig. 2, the outer ring side wall of the annular flow guide block 7 is arc-shaped, and the side wall of the gas storage cavity corresponding to the outer ring side wall of the annular flow guide block 7 is also arc-shaped; the entire first guide groove 81 is arc-shaped, and the leaked compressed gas can smoothly flow into the second guide groove 82.
Further, as shown in fig. 2, a part of one third of the seal ring 6 in the transverse direction is positioned in the air storage cavity; so that the leaking compressed gas presses the sealing ring 6.
Further, the mounting seat 4 includes an upper housing and a lower housing (not shown) detachably connected to facilitate mounting and dismounting of the male rotor 3.
In conclusion, in the high-speed rotation process of male rotor 3, the compressed air in air compressor housing 1 transversely reveals, under the water conservancy diversion effect of annular water conservancy diversion piece 7, flow to second water conservancy diversion groove 82 back from first water conservancy diversion groove 81, direct action is in the outer 62 of extrusion, extrude outer 62 extrusion expanding spring, expanding spring produces elasticity, carry out the elasticity extrusion to laminating inlayer 61 simultaneously, make laminating inlayer 61 can further laminate male rotor 3 input shaft, eliminate the compressed air who reveals and produce the impact of side direction to sealing washer 6, improve the gas tightness among the air compression process.
The above-mentioned, only preferred embodiments of the present invention are described, the scope of the present invention cannot be limited, and all the equivalent changes and decorations made according to the claims of the present invention should still fall within the scope covered by the present invention.
Claims (5)
1. A screw air compressor comprises an air compressor shell, a female rotor and a male rotor which are arranged in the air compressor shell, wherein a mounting seat and a mounting cover are sequentially arranged on one side, close to the input shaft of the male rotor, of the air compressor shell, the input shaft of the male rotor sequentially penetrates through the mounting seat and the mounting cover, the screw air compressor is characterized in that a sealing ring sleeved on the input shaft of the male rotor is arranged in the mounting seat, an air storage cavity is arranged on one side, close to the air compressor shell, of the sealing ring, part of the sealing ring is positioned in the air storage cavity, an annular flow guide block sleeved on the input shaft of the male rotor is arranged in the air storage cavity, a flow guide groove is formed between the annular flow guide block and the side wall of the air storage cavity and comprises a first flow guide groove and a second flow guide groove which are communicated, the first flow guide groove is positioned between the outer ring side wall of the annular flow guide block, and contacts with the side wall of the outer ring of the sealing ring.
2. The screw air compressor of claim 1, wherein the outer side wall of the annular deflector block is arc-shaped, and the side wall of the air storage cavity corresponding to the outer side wall of the annular deflector block is also arc-shaped.
3. The screw air compressor of claim 1, wherein a portion of one third of the sealing ring in the transverse direction is located in the air storage cavity.
4. The screw air compressor of claim 1, wherein the sealing ring comprises an inner layer and an outer layer, and a plurality of elastic members are annularly arranged between the inner layer and the outer layer.
5. The screw air compressor of claim 1, wherein the mounting seat comprises an upper housing and a lower housing which are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146108.9U CN213235441U (en) | 2020-06-19 | 2020-06-19 | Screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146108.9U CN213235441U (en) | 2020-06-19 | 2020-06-19 | Screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235441U true CN213235441U (en) | 2021-05-18 |
Family
ID=75885506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021146108.9U Active CN213235441U (en) | 2020-06-19 | 2020-06-19 | Screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235441U (en) |
-
2020
- 2020-06-19 CN CN202021146108.9U patent/CN213235441U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107394086B (en) | Explosion-proof balance valve applied to battery cell module | |
| CN213235441U (en) | Screw air compressor | |
| CN201535238U (en) | Pump head of positive displacement pump | |
| CN219768569U (en) | Pre-milling dust removing device of edge bonding machine | |
| CN210106128U (en) | Diaphragm pump | |
| CN201490807U (en) | Sealing device used between motor and structural component | |
| CN207648137U (en) | Water wheels machine overhauling sealing device | |
| CN116146726A (en) | Nylon rotary sealing valve | |
| CN203592754U (en) | Vacuum film covering machine | |
| CN209800722U (en) | Rotary disc sealing device | |
| CN219712326U (en) | Maintenance sealing structure for main shaft of water turbine | |
| CN2217631Y (en) | Shaft-sealing device for wave wheel of washing machine | |
| CN213419864U (en) | Pressure tank | |
| CN206158971U (en) | Diaphragm formula electric vacuum pump's for car running gear | |
| CN211082055U (en) | Turbo charger for automobile | |
| CN215410200U (en) | Spiral double-cavity cooler seal | |
| CN212985529U (en) | Sealing structure between high-low pressure areas of gear oil pump and gear oil pump | |
| CN217183080U (en) | Double-cavity oil mist prevention device | |
| CN213144602U (en) | Turbocharger turbine structure capable of reducing air leakage | |
| CN221568996U (en) | Automobile water pump with machine seal convenient to detach | |
| CN116241667A (en) | Wind power ultra-large diameter combined sealing ring | |
| CN211715384U (en) | Bearing shaft seal mechanism of gas booster fan | |
| CN218992353U (en) | Dry gas combined sealing device | |
| CN211174531U (en) | Air compressor machine is inhaled and is inhaled shake device of making an uproar that falls | |
| CN204024992U (en) | Miniature five cylinder diaphragm pumps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |