CN219974883U - External bearing structure of high-pressure fan - Google Patents
External bearing structure of high-pressure fan Download PDFInfo
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- CN219974883U CN219974883U CN202320633305.0U CN202320633305U CN219974883U CN 219974883 U CN219974883 U CN 219974883U CN 202320633305 U CN202320633305 U CN 202320633305U CN 219974883 U CN219974883 U CN 219974883U
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- pressure fan
- bearing
- block
- limiting
- wall
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- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of high-pressure fans, and discloses an external bearing structure of a high-pressure fan, which comprises a high-pressure fan body, wherein a fixing groove is formed in the outer wall of the left end of the high-pressure fan body, the left end of the high-pressure fan body is in contact with a bearing, a limiting device is fixedly arranged on the periphery of the outer wall of the bearing, the limiting device comprises a fixing block, a limiting rod, a limiting block, a pressing block and a limiting spring, the fixing block is fixedly arranged on the outer wall of the bearing, and the limiting rod penetrates through the fixing block and is in sliding connection with the fixing block. This external bearing structure of high-pressure fan through being provided with stop device, fixes the bearing, when dismantling the maintenance to the bearing, makes things convenient for the bearing to relieve spacingly and outwards pull out, easy operation is convenient, through being provided with fixing device, makes the inserted bar insert to in the dead lever of visor lower extreme, and is fixed spacing to the visor, avoids bearing and outside air to contact, improves the life of bearing.
Description
Technical Field
The utility model relates to the technical field of high-pressure fans, in particular to an external bearing structure of a high-pressure fan.
Background
Under the design condition, the fan with the wind pressure of 30 kPa-200 KPa or the compression ratio e=1.3-3 belongs to the category of high-pressure fans, and the gas ring type vacuum pump is generally classified as the high-pressure fan in the industry at present. The high-pressure blower, also called high-pressure blower, is different from a general centrifugal blower.
The main shaft and the bearing pedestal of most high-pressure fans on the market at present are arranged in the pump cover of the high-pressure fan, and the structure can not be used in industries such as vapor or corrosive gas in working conditions, for example, the bearing pedestal is designed in the pump cover, vapor or corrosive gas of a working medium easily enters the bearing pedestal, so that grease in the bearing is deteriorated or corroded, the service life of the bearing is reduced, and according to the disclosed external bearing structure (publication number: CN 209557323U) of the high-pressure fan, the bearing pedestal is arranged in the pump cover of the high-pressure fan, and the main shaft of the high-pressure fan passes through the pump cover to be connected with the bearing in the bearing pedestal, so that the bearing is ensured to be arranged outside the high-pressure fan, and the service life of the bearing is prolonged.
This bearing is through using screw fixed mounting on high-pressure fan, when high-pressure fan at the during operation, in order to guarantee the normal rotation of main shaft and bearing, reduce coefficient of friction, all can smear the engine oil on the bearing, the inside of immersing the screw that the engine oil can slowly to lead to the screw to appear corroding the condition and take place, thereby influence the dismantlement to the bearing, lead to follow-up maintenance to dismantle difficulty inconvenient.
Disclosure of Invention
The utility model aims to provide an external bearing structure of a high-pressure fan, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an external bearing structure of high-pressure fan, includes the high-pressure fan body, the fixed slot has been seted up on the high-pressure fan body left end outer wall, high-pressure fan body left end and bearing contact, fixed mounting has stop device all around the outer wall of bearing, stop device includes:
the fixed block is fixedly arranged on the outer wall of the bearing;
the limiting rod penetrates through the fixed block and is in sliding connection with the fixed block, and one end of the limiting rod, which penetrates through the inside of the fixed block, is fixedly connected with the limiting block;
the pressing block is fixedly arranged at one end, far away from the limiting block, of the limiting rod;
the limiting spring is sleeved on the outer wall of the limiting rod, one end of the limiting spring is fixedly connected with the inner wall of the fixed block, and the other end of the limiting spring is fixedly connected with the limiting block.
Preferably, the center inside the high-pressure fan body is penetrated with a main shaft and is rotationally connected with the main shaft, and the main shaft is rotationally connected with the bearing.
Preferably, the upper end of the left side of the high-pressure fan body is hinged with a protective cover, and the lower end of the protective cover is provided with a fixing device.
Preferably, the fixing device comprises a fixing rod, a fixing plate, an inserting rod, a pull block and a telescopic spring, wherein the upper end of the fixing rod is fixedly connected with the protective cover, the fixing rod is penetrated with the inserting rod in a penetrating manner and is in sliding connection with the inserting rod, the upper end of the fixing plate is fixedly connected with the high-pressure fan body, the fixing plate is penetrated with the inserting rod in a penetrating manner and is in sliding connection with the inserting rod, the right end of the inserting rod is fixedly connected with the pull block, the telescopic spring is sleeved on the outer wall of the inserting rod, one end of the telescopic spring is fixedly connected with the pull block, and the other end of the telescopic spring is fixedly connected with the fixing plate.
Preferably, a rubber ring is fixedly arranged on the outer wall of the protective cover, which is close to one end of the high-pressure fan body.
Preferably, the lower end of the high-pressure fan body is fixedly provided with a base.
Compared with the prior art, the utility model provides an external bearing structure of a high-pressure fan, which has the following beneficial effects:
1. this external bearing structure of high-pressure fan drives the stopper through being provided with stop device, through limit spring's elastic potential energy and inserts in the fixed slot to the high-pressure fan body, reaches the fixed to the bearing, and when need dismantling the maintenance to the bearing, inwards presses down the pressing block, makes gag lever post and stopper inwards slide, and the stopper no longer laminates each other with the fixed slot, and it can to relieve spacing and outwards pull out to the bearing, easy operation is convenient.
2. According to the external bearing structure of the high-pressure fan, the fixing device is arranged, so that the inserting rod is inserted into the fixing rod at the lower end of the protective cover, the protective cover is fixed and limited, the bearing is prevented from being in contact with external air, and the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model in front cross section;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;
fig. 4 is an enlarged schematic view of the portion B of fig. 2 according to the present utility model.
In the figure: 1. a high-pressure fan body; 101. a fixing groove; 102. a main shaft; 2. a bearing; 3. a limiting device; 301. a fixed block; 302. a limit rod; 303. a limiting block; 304. pressing the blocks; 305. a limit spring; 4. a protective cover; 5. a fixing device; 501. a fixed rod; 502. a fixing plate; 503. a rod; 504. pulling blocks; 505. a telescopic spring; 6. a rubber ring; 7. and (5) a base.
Detailed Description
As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides an external bearing structure of high-pressure fan, including high-pressure fan body 1, fixed slot 101 has been seted up on the outer wall of high-pressure fan body 1 left end, high-pressure fan body 1 left end is contacted with bearing 2, fixed mounting has stop device 3 all around in the outer wall of bearing 2, stop device 3 includes fixed block 301, fixed block 301 fixed mounting is on the outer wall of bearing 2, it has gag lever post 302 and with gag lever post 302 sliding connection to run through in the fixed block 301, the inside one end of gag lever post 302 runs through fixed block 301 and stopper 303 fixed connection, the one end and the pressing block 304 fixed connection of gag lever post 302 keep away from fixed block 301, stop spring 305 has been cup jointed on the outer wall of gag lever post 302, stop spring 305 one end and fixed block 301 inner wall fixed connection, the other end and stopper 303 fixed connection of stop spring 305.
Specifically, the limiting device 3 in the technical scheme of the utility model comprises a fixed block 301, a limiting rod 302, a limiting block 303, a pressing block 304 and a limiting spring 305, wherein the limiting block 303 is inserted into the fixed groove 101 of the high-pressure fan body 1 to fix and limit the bearing 2, when the bearing 2 needs to be disassembled for maintenance, the pressing block 304 is pressed inwards, so that the pressing block 304 drives the limiting rod 302 and the limiting block 303 to move inwards, the limiting block 303 is not attached to the inner wall of the fixed groove 101 any more, and the bearing 2 is pulled out outwards after the limiting block is released for maintenance, and the operation is simple and convenient.
In one embodiment of the present utility model, the fixing groove 101 is L-shaped, and the limiting block 303 is L-shaped and matched with the fixing groove 101, and the inner wall of the bearing 2 is provided with balls, so that the balls and the main shaft 102 are contacted with each other, friction is reduced, and service life of the bearing 2 is prolonged.
With continued reference to fig. 1-4, the main shaft 102 penetrates through the center of the inside of the high-pressure fan body 1 and is rotationally connected with the main shaft 102, the main shaft 102 is rotationally connected with the bearing 2, the upper end of the left side of the high-pressure fan body 1 is hinged with the protecting cover 4, the lower end of the protecting cover 4 is provided with a fixing device 5, the fixing device 5 comprises a fixing rod 501, a fixing plate 502, an inserting rod 503, a pulling block 504 and a telescopic spring 505, the upper end of the fixing rod 501 is fixedly connected with the protecting cover 4, the inserting rod 503 penetrates through the fixing rod 501 and is slidingly connected with the inserting rod 503, the upper end of the fixing plate 502 is fixedly connected with the high-pressure fan body 1, the inserting rod 503 penetrates through the fixing plate 502 and is slidingly connected with the inserting rod 503, the right end of the inserting rod 503 is fixedly connected with the pulling block 504, the outer wall of the inserting rod 503 is sleeved with the telescopic spring 505, one end of the telescopic spring 505 is fixedly connected with the pulling block 504, the other end of the telescopic spring 505 is fixedly connected with the fixing plate 502, the outer wall of the protecting cover 4, which is close to one end of the high-pressure fan body 1, a rubber ring 6 is fixedly arranged on the outer wall of the protecting cover 1, and the lower end of the high-pressure fan body 1 is fixedly provided with the base 7.
In order to prevent the bearing 2 from being contacted with external air, dust and the like enter the protective cover 4, the service life of the bearing 2 is influenced, the rubber ring 6 is fixedly installed on the outer wall of the protective cover 4, which is close to the high-pressure fan body 1, and the rubber ring 6 is used for being attached to the high-pressure fan body 1 for extrusion, so that the sealing performance is improved, and the service life of the bearing 2 is prolonged.
During operation (or during use), when the bearing 2 needs to be disassembled, the pull block 504 is pulled towards the direction of the high-pressure fan body 1, so that the pull block 504 drives the inserting rod 503 to move, the inserting rod 503 is not inserted into the fixing rod 501 any more, the protection cover 4 is released from being limited, the protection cover 4 is turned outwards, the protection cover 4 is opened, the bearing 2 is exposed, the limiting rod 302 and the limiting block 303 are enabled to slide inwards by pressing the pressing block 304 inwards, the limiting block 303 is not attached to the fixing groove 101 any more, the limiting is released from the bearing 2 and pulled outwards, and the replacement and maintenance are performed.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides an external bearing structure of high-pressure fan, includes high-pressure fan body (1), its characterized in that: the fixed slot (101) has been seted up on the outer wall of high-pressure fan body (1) left end, high-pressure fan body (1) left end contacts with bearing (2), fixed mounting has stop device (3) all around on the outer wall of bearing (2), stop device (3) include:
the fixed block (301), the fixed block (301) is fixedly installed on the outer wall of the bearing (2);
the limiting rod (302) penetrates through the fixed block (301) and is in sliding connection with the fixed block (301), and one end of the limiting rod (302) penetrating through the inside of the fixed block (301) is fixedly connected with the limiting block (303);
the pressing block (304) is fixedly arranged at one end, far away from the limiting block (303), of the limiting rod (302);
the limiting spring (305), limiting spring (305) cup joints on the outer wall of gag lever post (302), limiting spring (305) one end and fixed block (301) inner wall fixed connection, limiting spring (305) other end and stopper (303) fixed connection.
2. The outboard bearing structure of a high pressure fan as recited in claim 1, wherein: the high-pressure fan is characterized in that a main shaft (102) penetrates through the inner center of the high-pressure fan body (1) and is connected with the main shaft (102) in a rotating mode, and the main shaft (102) is connected with the bearing (2) in a rotating mode.
3. The outboard bearing structure of a high pressure fan as recited in claim 1, wherein: the high-pressure fan is characterized in that the upper end of the left side of the high-pressure fan body (1) is hinged with a protective cover (4), and the lower end of the protective cover (4) is provided with a fixing device (5).
4. An outboard bearing arrangement for a high pressure fan as claimed in claim 3, wherein: fixing device (5) are including dead lever (501), fixed plate (502), inserted bar (503), pull block (504) and extension spring (505), the upper end and the visor (4) fixed connection of dead lever (501), run through on dead lever (501) have inserted bar (503) and with inserted bar (503) sliding connection, fixed plate (502) upper end and high-pressure fan body (1) fixed connection, run through on dead plate (502) have inserted bar (503) and with inserted bar (503) sliding connection, the right-hand member and the pull block (504) fixed connection of inserted bar (503), extension spring (505) have been cup jointed on the outer wall of inserted bar (503), the one end and the pull block (504) fixed connection of extension spring (505), the other end and the fixed plate (502) fixed connection of extension spring (505).
5. An outboard bearing arrangement for a high pressure fan as claimed in claim 3, wherein: the rubber ring (6) is fixedly arranged on the outer wall of the protective cover (4) close to one end of the high-pressure fan body (1).
6. The outboard bearing structure of a high pressure fan as recited in claim 1, wherein: the lower end of the high-pressure fan body (1) is fixedly provided with a base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633305.0U CN219974883U (en) | 2023-03-28 | 2023-03-28 | External bearing structure of high-pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633305.0U CN219974883U (en) | 2023-03-28 | 2023-03-28 | External bearing structure of high-pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974883U true CN219974883U (en) | 2023-11-07 |
Family
ID=88597688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320633305.0U Active CN219974883U (en) | 2023-03-28 | 2023-03-28 | External bearing structure of high-pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974883U (en) |
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2023
- 2023-03-28 CN CN202320633305.0U patent/CN219974883U/en active Active
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