CN212959234U - Novel air-tight seal structure of multistage air-blower - Google Patents
Novel air-tight seal structure of multistage air-blower Download PDFInfo
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- CN212959234U CN212959234U CN202021408277.5U CN202021408277U CN212959234U CN 212959234 U CN212959234 U CN 212959234U CN 202021408277 U CN202021408277 U CN 202021408277U CN 212959234 U CN212959234 U CN 212959234U
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- ferrule
- supporting cylinder
- bolt
- surface supporting
- curved surface
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Abstract
The utility model discloses a novel air sealing structure of a multistage air blower, which comprises a sealing bearing structure, wherein the sealing bearing structure comprises a curved surface supporting cylinder, the outer side of the curved surface supporting cylinder is clamped with a bearing outer ring, one end of the curved surface supporting cylinder is provided with a ferrule fixing head, the outer side of the bearing outer ring is provided with a fixing flange, flange bolt holes are uniformly formed in the fixing flange, one side of the ferrule fixing head is provided with a straight surface supporting cylinder, the ferrule fixing head and the curved surface supporting cylinder are of an integrated structure, the curved surface supporting cylinder of the utility model is of a conical curved surface structure, and one end of the curved surface supporting cylinder is fixed with a compressed air ferrule, so that the space between a fan shaft and a fan shell can be more sealed; meanwhile, the oil injection bolt fixed on one side of the outer ring of the bearing can be used for oil injection and lubrication without being completely disassembled, so that the lubricating oil in the bearing is longer in lasting time, the lubricating oil is simpler and more convenient to add, and the inside of the bearing is more sealed.
Description
Technical Field
The utility model relates to an air-blower technical field specifically is a novel airtight structure of multistage air-blower.
Background
A multi-stage blower is a blower formed by connecting two or more impellers in series, namely the multi-stage blower (adjacent impellers are connected by guide vanes), can be used for conveying air, coal gas and chemical gas, and has the characteristics of low noise, small vibration, high efficiency, stable operation, convenience in installation, maintenance, use in an open-air environment and the like. The air-tight seal structure of the air blower refers to a connection seal structure between a rotating shaft and a shell of the air blower.
However, the existing novel air sealing structure of the multistage blower still has some unreasonable factors in the use process of the blower, and when the existing novel air sealing structure of the multistage blower is used: the sealing effect is not ideal enough only through simple bearing connection, and air can not be prevented from escaping well; meanwhile, the oil seal effect at the joint is not good enough, and lubricating oil is easy to be insufficient after long-time use, so that the service life of the bearing is influenced, and the sealing is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel air sealing structure of a multistage blower, aiming at improving the problems that the existing blower is only connected through a simple bearing, the sealing effect is not ideal enough, and air can not be prevented from escaping well; meanwhile, the oil seal effect at the joint is not good enough, and lubricating oil is easy to be insufficient after long-time use, so that the service life of the bearing is influenced, and the sealing problem is not facilitated.
In order to achieve the above object, the utility model provides a following technical scheme: a novel air sealing structure of a multistage air blower comprises a sealing bearing structure, wherein the sealing bearing structure comprises a curved surface supporting cylinder, a bearing outer ring is clamped on the outer side of the curved surface supporting cylinder, a ferrule fixing head is arranged at one end of the curved surface supporting cylinder, a fixing flange is arranged on the outer side of the bearing outer ring, flange bolt holes are uniformly formed in the fixing flange, a straight surface supporting cylinder is arranged on one side of the ferrule fixing head, the straight surface supporting cylinder, the ferrule fixing head and the curved surface supporting cylinder are of an integrated structure, a fan shaft through hole is formed in the center of the straight surface supporting cylinder, the ferrule fixing head and the curved surface supporting cylinder in a through mode, a compressed air structure is fixed on the outer side of the ferrule fixing head, a bolt limiting groove is formed in one side of the bearing outer ring, an oil injection structure is fixed at the position, corresponding to the bolt limiting groove, of the bearing outer ring, a screw hole, and one side of the bolt limiting groove corresponding to the screw hole is communicated with an oil injection hole.
Furthermore, the air compression structure comprises an air compression ferrule, a support barrel ferrule is arranged at the center of one side of the air compression ferrule, and a fixing ring is arranged on the outer side of the air compression ferrule, which corresponds to the support barrel ferrule.
Furthermore, the oiling structure includes the oiling bolt, one side center of oiling bolt is provided with the screw rod, and one side of oiling bolt link up and has seted up bolt oil filler point, oiling bolt and bearing outer ring coincide fixedly firm back soon, bolt oil filler point and oil filler point do not coincide.
Furthermore, the size of the fixed ring is matched with that of the ferrule fixed head, the fixed ring and the ferrule fixed head are screwed and fixed through threads, and the fixed ring, the supporting cylinder ferrule and the compressed air ferrule are of an integrated structure.
Furthermore, the sizes of the screw rod and the screw rod hole are matched, and the screw rod hole are screwed and fixed through threads.
Furthermore, the size of the bolt oil filling hole is consistent with that of the oil filling hole, the oil filling hole penetrates through the outer ring of the bearing, and the depth of the screw hole is smaller than that of the oil filling hole.
Compared with the prior art, the beneficial effects of the utility model are that: the curved surface supporting cylinder of the utility model is a conical curved surface structure, and one end of the curved surface supporting cylinder is fixed with the air pressing ferrule, so that the fan shaft and the fan shell can be more sealed; meanwhile, the oil injection bolt fixed on one side of the outer ring of the bearing can be used for oil injection and lubrication without being completely disassembled, so that the lubricating oil in the bearing is longer in lasting time, the lubricating oil is simpler and more convenient to add, and the inside of the bearing is more sealed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a three-dimensional explosion structure of the present invention;
FIG. 2 is a schematic structural view of the curved surface supporting cylinder of the present invention in front view;
FIG. 3 is a schematic view of the outer ring of the bearing according to the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the oiling bolt of the present invention;
in the figure: 1. a seal bearing structure; 101. a fixed flange; 102. a curved support cylinder; 103. perforating a fan shaft; 104. a bearing outer ring; 105. a flange bolt hole; 106. a straight-face support cylinder; 107. a ferrule fixing head; 108. a bolt limiting groove; 109. a screw hole; 110. an oil filler hole; 2. a wind pressing structure; 201. pressing the air into a ferrule; 202. a support cartridge ferrule; 203. a stationary ring; 3. an oil injection structure; 301. oiling bolts; 302. a screw; 303. and a bolt oil filling hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a novel air-tight sealing structure of a multistage blower comprises a sealing bearing structure 1, wherein the sealing bearing structure 1 comprises a curved surface supporting cylinder 102, a bearing outer ring 104 is clamped on the outer side of the curved surface supporting cylinder 102, a ferrule fixing head 107 is arranged at one end of the curved surface supporting cylinder 102, a fixing flange 101 is arranged on the outer side of the bearing outer ring 104, flange bolt holes 105 are uniformly formed in the fixing flange 101, a straight surface supporting cylinder 106 is arranged on one side of the ferrule fixing head 107, the straight surface supporting cylinder 106, the ferrule fixing head 107 and the curved surface supporting cylinder 102 are of an integrated structure, a fan shaft through hole 103 is formed in the centers of the straight surface supporting cylinder 106, the ferrule fixing head 107 and the curved surface supporting cylinder 102 in a penetrating manner, an air pressing structure 2 is fixed on the outer side of the ferrule fixing head 107, a bolt limiting groove 108 is formed in one side of the bearing outer ring 104, and an oil injection structure 3 is fixed at the, a screw hole 109 is formed in the center of the bolt limiting groove 108, and an oil filling hole 110 is formed in one side of the bolt limiting groove 108 corresponding to the screw hole 109.
In order to make the bearing outer ring 104 more sealed, in this embodiment, preferably, the compressed air structure 2 includes a compressed air ferrule 201, a supporting cylinder ferrule 202 is disposed at a center of one side of the compressed air ferrule 201, and a fixing ring 203 is disposed on an outer side of the compressed air ferrule 201 corresponding to the supporting cylinder ferrule 202.
In order to facilitate lubrication and sealing and avoid leakage of lubricating oil, in this embodiment, preferably, the oil injection structure 3 includes an oil injection bolt 301, a screw 302 is disposed at a center of one side of the oil injection bolt 301, a bolt oil injection hole 303 is formed in one side of the oil injection bolt 301 in a penetrating manner, and after the oil injection bolt 301 and the bearing outer ring 104 are screwed and fixed firmly, the bolt oil injection hole 303 and the oil injection hole 110 do not overlap.
In order to fix the compressed air structure 2 firmly, in this embodiment, it is preferable that the fixed ring 203 and the ferrule fixing head 107 have sizes matched, and the fixed ring 203 and the ferrule fixing head 107 are fixed by screwing, and the fixed ring 203, the support barrel ferrule 202, and the compressed air ferrule 201 are an integrated structure.
In order to facilitate the fixing of the oil injection bolt 301, in the present embodiment, it is preferable that the screw 302 and the screw hole 109 are matched in size, and the screw 302 and the screw hole 109 are fixed by screwing.
In order to prevent the lubricant from leaking, in the present embodiment, it is preferable that the bolt oil holes 303 and the oil holes 110 have the same size, the oil holes 110 penetrate through the bearing outer ring 104, and the screw holes 109 have a depth smaller than that of the oil holes 110.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, at first inspect the utility model discloses an installation is fixed and safety protection, then just can use, during the use, at first with curved surface support cylinder 102 through fan axle perforation 103 nestification in the fan pivot, pass through bolt fixed connection with mounting flange 101 and fan casing after that, and close soon and unscrew oiling bolt 301, make the bolt oil filler point 303 that oiling bolt 301 one side was seted up relative with oil filler point 110, can pour into lubricating oil into, pour into and close soon after finishing and screw up oiling bolt 301 can, then will press wind lasso 201 to close soon through retainer plate 203 and lasso fixed head 107 and fix can.
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 (6)
1. The utility model provides a novel airtight structure of multistage air-blower, includes sealed bearing structure (1), its characterized in that: the sealing bearing structure (1) comprises a curved surface supporting cylinder (102), a bearing outer ring (104) is clamped on the outer side of the curved surface supporting cylinder (102), a ferrule fixing head (107) is arranged at one end of the curved surface supporting cylinder (102), a fixing flange (101) is arranged on the outer side of the bearing outer ring (104), flange bolt holes (105) are uniformly formed in the fixing flange (101), a straight surface supporting cylinder (106) is arranged on one side of the ferrule fixing head (107), the straight surface supporting cylinder (106), the ferrule fixing head (107) and the curved surface supporting cylinder (102) are of an integrated structure, the centers of the straight surface supporting cylinder (106), the ferrule fixing head (107) and the curved surface supporting cylinder (102) are provided with a fan shaft through hole (103) in a penetrating mode, a compressed air structure (2) is fixed on the outer side of the ferrule fixing head (107), and a bolt limiting groove (108) is formed in one side of the bearing outer ring (104), and the position of the bearing outer ring (104) corresponding to the bolt limiting groove (108) is fixed with an oil injection structure (3), the center of the bolt limiting groove (108) is provided with a screw hole (109), and one side of the bolt limiting groove (108) corresponding to the screw hole (109) is provided with an oil injection hole (110) in a penetrating way.
2. The novel airtight structure of the multistage blower is characterized in that the compressed air structure (2) comprises a compressed air ferrule (201), a supporting cylinder ferrule (202) is arranged in the center of one side of the compressed air ferrule (201), and a fixing ring (203) is arranged on the outer side of the compressed air ferrule (201) corresponding to the supporting cylinder ferrule (202).
3. The novel airtight structure of multistage air-blower according to claim 1, characterized in that the oiling structure (3) comprises an oiling bolt (301), a screw (302) is arranged at the center of one side of the oiling bolt (301), a bolt oiling hole (303) is formed in one side of the oiling bolt (301) in a penetrating manner, the oiling bolt (301) and the bearing outer ring (104) are fixed firmly in a screwing manner, and then the bolt oiling hole (303) and the oiling hole (110) are not overlapped.
4. The novel airtight structure of the multistage blower is characterized in that the size of the fixed ring (203) is matched with that of the ferrule fixing head (107), the fixed ring (203) and the ferrule fixing head (107) are fixed in a screwing mode through threads, and the fixed ring (203), the supporting cylinder ferrule (202) and the compressed air ferrule (201) are of an integrated structure.
5. The novel airtight structure of the multistage blower is characterized in that the screw (302) and the screw hole (109) are matched in size, and the screw (302) and the screw hole (109) are fixed in a screwing mode through threads.
6. The novel air-tight sealing structure of the multistage blower is characterized in that the size of the bolt oil filling hole (303) is the same as that of the oil filling hole (110), the oil filling hole (110) penetrates through the bearing outer ring (104), and the depth of the screw hole (109) is smaller than that of the oil filling hole (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408277.5U CN212959234U (en) | 2020-07-15 | 2020-07-15 | Novel air-tight seal structure of multistage air-blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408277.5U CN212959234U (en) | 2020-07-15 | 2020-07-15 | Novel air-tight seal structure of multistage air-blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959234U true CN212959234U (en) | 2021-04-13 |
Family
ID=75393369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021408277.5U Expired - Fee Related CN212959234U (en) | 2020-07-15 | 2020-07-15 | Novel air-tight seal structure of multistage air-blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959234U (en) |
-
2020
- 2020-07-15 CN CN202021408277.5U patent/CN212959234U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |