CN220711224U - Dust cover mounting structure of industrial ceiling fan motor - Google Patents
Dust cover mounting structure of industrial ceiling fan motor Download PDFInfo
- Publication number
- CN220711224U CN220711224U CN202322302225.XU CN202322302225U CN220711224U CN 220711224 U CN220711224 U CN 220711224U CN 202322302225 U CN202322302225 U CN 202322302225U CN 220711224 U CN220711224 U CN 220711224U
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- motor
- dust cover
- dust
- pull ring
- mounting structure
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- 239000000428 dust Substances 0.000 title claims abstract description 88
- 230000004323 axial length Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a dust cover mounting structure of an industrial ceiling fan motor, which comprises a motor shaft and a motor rotor, wherein a bearing seat is arranged between the motor rotor and the motor shaft, and an oil seal is arranged between an upper port of the bearing seat and the motor shaft; the dust cover mounting structure comprises a dust cover fixedly mounted on a motor shaft through a motor anti-falling pull ring, wherein the dust cover is positioned below the motor anti-falling pull ring and sleeved on the periphery of the bearing seat, so that an annular dust-proof gap extending downwards and axially along the upper port of the bearing seat is formed between the dust cover and the bearing seat; the utility model forms a reliable dustproof path structure for the oil seal, effectively prevents external dust from contacting with the lip of the oil seal, avoids or at least obviously reduces the pollution probability of the external dust to the oil seal, prolongs the service life of the oil seal, and further reliably ensures the service life of the industrial ceiling fan motor; the dust cover provided by the utility model has the advantages of simple structure, low cost and easiness in assembly, and is suitable for industrial popularization and application.
Description
Technical Field
The utility model belongs to the field of industrial ceiling fan driving, and particularly relates to a dust cover mounting structure of an industrial ceiling fan motor.
Background
Because the industrial ceiling fan is generally applied to the installation of factories and roofs in public areas, the maintenance is inconvenient in the actual use process, so that more dust can be deposited on the surface of the ceiling fan, the efficiency of the motor is greatly reduced once the dust enters the interior of the motor, and the service life of the motor is even reduced, therefore, the motor of the industrial ceiling fan needs to be sealed, the conventional industrial ceiling fan motor can be sealed between a motor bearing seat and a motor shaft by adopting an oil seal, and the sealing of the interior of the industrial ceiling fan motor is realized.
Because the existing oil seal is exposed in the air environment, dust in the air is easy to gather on the surface of the oil seal for a long time, especially dust at the lip of the oil seal can accelerate abrasion of the oil seal, so that the tightness of the motor is reduced, and the service life of the oil seal is influenced. People usually carry out dustproof protection to the oil blanket structure on motor rotor fixed mounting dust cover, and when the installation, the center of dust cover and motor shaft need keep unilateral 0.3mm-1 mm's clearance to prevent friction, thereby in practical application some dust in the air drop on the oil blanket lip naturally through this clearance easily, leads to the oil blanket wearing and tearing to be accelerated.
Accordingly, the applicant has sought to improve upon the above technical problems.
Disclosure of Invention
Therefore, the utility model aims to provide a dust cover mounting structure of an industrial ceiling fan motor, which forms a reliable dust-proof path structure of an oil seal, effectively prevents external dust from contacting with a lip of the oil seal, avoids or at least obviously reduces the pollution probability of the external dust to the oil seal, prolongs the service life of the oil seal, and further reliably ensures the service life of the industrial ceiling fan motor; the dust cover provided by the utility model has the advantages of simple structure, low cost and easiness in assembly, and is suitable for industrial popularization and application.
The technical scheme adopted by the utility model is as follows:
the dust cover mounting structure of the industrial ceiling fan motor comprises a motor shaft and a motor rotor, a bearing seat is mounted between the motor rotor and the motor shaft, and an oil seal is arranged between an upper port of the bearing seat and the motor shaft; the dust cover mounting structure comprises a dust cover fixedly mounted on a motor shaft through a motor anti-falling pull ring, wherein,
the dust cover is located below the motor anti-falling pull ring and sleeved on the periphery of the bearing seat, so that an annular dust-proof gap extending downwards and axially along the upper port of the bearing seat is formed between the dust cover and the bearing seat.
Preferably, the radial width of the annular dust-proof gap is in the range of 1-5mm, and the axial length is in the range of 1-10mm.
Preferably, the upper end of the dust cover is fixedly installed and connected with the motor anti-falling pull ring through a plurality of fasteners.
Preferably, the dust cover is provided with a threading protection hole, the threading protection hole integrally extends to the motor anti-falling pull ring and is correspondingly clamped and embedded with the pull ring threading protection hole of the motor anti-falling pull ring, so that an outgoing line path of the motor wire harness is formed.
Preferably, the dust cover comprises a first annular cover body and a second annular cover body which are connected in an integral mode; wherein,
the inner diameter of the first annular cover body is smaller than that of the second annular cover body, and a step surface is formed between the first annular cover body and the second annular cover body;
the first annular cover body is fixedly connected with the motor anti-falling pull ring in a mounting manner;
the second annular cover body is sleeved on the periphery of the bearing seat, and an annular dustproof gap is formed between the second annular cover body and the bearing seat.
Preferably, the first annular cover body is provided with a threading protection hole, the threading protection hole integrally extends to the motor anti-falling pull ring and is correspondingly clamped and embedded with the pull ring threading protection hole of the motor anti-falling pull ring to form an outgoing line path of the motor wire harness.
Preferably, the upper end of the first annular cover body is provided with a plurality of dust cover locking holes which are distributed at intervals, and the motor anti-falling pull ring is provided with pull ring locking holes which are correspondingly locked and matched with the locking holes.
Preferably, the number of the locking holes of the dust cover is 2-6.
Preferably, the motor anti-falling pull ring is fixedly installed and connected with the dust cover to form a locking integrated part, and then the locking integrated part is fixedly installed and connected with the motor shaft.
Preferably, the dust cap is an integral injection molded part.
According to the utility model, the dust cover is fixedly arranged below the motor anti-falling pull ring and sleeved on the periphery of the bearing seat, so that an annular dust-proof gap extending downwards axially along the upper port of the bearing seat is formed between the dust cover and the bearing seat, a reliable dust-proof path structure for the oil seal is formed, external dust is effectively prevented from contacting with the lip of the oil seal, the pollution probability of the external dust to the oil seal is avoided or at least obviously reduced, the service life of the oil seal is prolonged, and the durability and reliability of the sealing of the industrial ceiling fan motor are ensured to protect the aviation, so that the service life of the industrial ceiling fan motor is reliably ensured; the dust cover provided by the utility model has the advantages of simple structure, low cost and easiness in assembly, and is suitable for industrial popularization and application.
Drawings
FIG. 1 is a schematic diagram of an industrial ceiling fan motor according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the dust cap according to the embodiment of the present utility model;
FIG. 3 is a schematic view of an installation structure of a dust cover and a motor anti-falling pull ring according to an embodiment of the present utility model;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a cross-sectional view of fig. 4 in the direction A-A.
Detailed Description
The embodiment of the utility model discloses a dust cover mounting structure of an industrial ceiling fan motor, which comprises a motor shaft and a motor rotor, wherein a bearing seat is arranged between the motor rotor and the motor shaft, and an oil seal is arranged between an upper port of the bearing seat and the motor shaft; the dust cover mounting structure comprises a dust cover fixedly mounted on a motor shaft through a motor anti-falling pull ring, wherein the dust cover is positioned below the motor anti-falling pull ring and sleeved on the periphery of the bearing seat, and an annular dust-proof gap extending downwards and axially along the upper port of the bearing seat is formed between the dust cover and the bearing seat.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Referring to fig. 1 and 2, an industrial ceiling fan motor comprises a motor shaft 1 and a motor rotor 2, a bearing seat 3 is arranged between the motor rotor 2 and the motor shaft 1, and an oil seal 4 is arranged between an upper port of the bearing seat 3 and the motor shaft 1; in the present embodiment, the dust cover mounting structure includes a dust cover 6 fixedly mounted on the motor shaft 1 through a motor anti-falling tab 5 (fixedly mounted on a suspension mounting surface through a balance wire), wherein the dust cover 6 is located below the motor anti-falling tab 5 and sleeved on the outer periphery of the bearing housing 3, so that an annular dust-proof gap 7 extending axially downward along the upper port of the bearing housing 3 is formed between the dust cover 6 and the bearing housing 3.
Preferably, in the present embodiment, the radial width of the annular dust-proof gap 7 is in the range of 1-5mm, and the axial length is in the range of 1-10mm, so that the assembly effect is facilitated while the oil seal 4 is prevented from being worn out after dust in the air falls down on the lip of the oil seal to the maximum extent.
Preferably, as shown in fig. 3, 4 and 5, in order to facilitate the fixing and installing effect of the dust cover 6, in this embodiment, the upper end portion of the dust cover 6 is fixedly installed and connected with the motor anti-falling pull ring 5 through a plurality of fasteners (specifically, fastening screw members); preferably, in the present embodiment, the dust cover 6 is provided with a threading protection hole 61, and the threading protection hole 61 integrally extends to the motor anti-falling tab 5 and is engaged with the tab threading protection hole 51 of the motor anti-falling tab 5 in a corresponding engagement manner, thereby forming a wire outgoing path of the motor harness 8.
Particularly, the dust cover 6 is preferably an integral injection molding part, which is convenient for processing and molding and has low cost, wherein the wall thickness of the dust cover 6 is preferably 0.5-6mm; further preferably, in order to facilitate the secure mounting reliability and secure the dust-proof effect, in the present embodiment, the dust cover 6 includes a first annular cover body 6a and a second annular cover body 6b integrally connected;
in the present embodiment, the inner diameter of the first annular cover 6a is smaller than the inner diameter of the second annular cover 6b, and a step surface 6c is formed between the first annular cover 6a and the second annular cover 6b; wherein preferably, in the present embodiment, the first annular side wall 6a has an outer diameter in the range of 40-150mm and the second annular side wall 6b has an outer diameter in the range of 50-200mm; the first annular cover body 6a is fixedly connected with the motor anti-falling pull ring 5; the second annular cover body 6b is sleeved on the periphery of the bearing seat 3, and an annular dustproof gap 7 is formed between the second annular cover body and the bearing seat 3.
Preferably, in the present embodiment, the first annular cover 6a is provided with a threading protection hole 61 (the wall surface 61a thereof is in a convex shape), and the threading protection hole 61 integrally extends to the motor anti-falling tab 5 and is correspondingly engaged with the tab threading protection hole 51 of the motor anti-falling tab 5 to form a wire outgoing path of the motor harness 8, and further enhances the reliable fixed installation effect between the dust cover 6 and the motor anti-falling tab 5.
Preferably, in the present embodiment, the upper end portion of the first annular cover body 6a is provided with a plurality of dust cover locking holes (not shown) distributed at uniform intervals, and the motor anti-falling pull ring 5 is provided with pull ring locking holes 52 (4 pull ring locking holes 52 are shown in fig. 3) corresponding to the locking holes for locking engagement; further preferably, in this embodiment, the number of dust cap locking holes is 2 to 6.
Preferably, in order to facilitate the convenient assembly effect, in this embodiment, the motor anti-falling tab 5 is fixedly mounted and connected with the dust cover 6 to form a locking integral part, and then the locking integral part is fixedly mounted and connected with the motor shaft 1.
According to the embodiment, the dust cover 6 is fixedly arranged below the motor anti-falling pull ring 5 and sleeved on the periphery of the bearing seat 3, so that an annular dust-proof gap 7 extending downwards axially along the upper port of the bearing seat 3 is formed between the dust cover 6 and the bearing seat 3, a reliable dust-proof path structure for the oil seal 4 is formed, external dust is effectively prevented from contacting with the lip of the oil seal, the pollution probability of the external dust to the oil seal 4 is avoided or at least obviously reduced, the service life of the oil seal 4 is prolonged, and the service life of the industrial ceiling fan motor is reliably ensured for sealing durability and reliability of driving protection, so that the service life of the industrial ceiling fan motor is reliably ensured; and the dust cover 6 that this embodiment provided simple structure, with low costs and easy assembly are fit for carrying out industry popularization and application.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The dust cover mounting structure of the industrial ceiling fan motor comprises a motor shaft and a motor rotor, a bearing seat is mounted between the motor rotor and the motor shaft, and an oil seal is arranged between an upper port of the bearing seat and the motor shaft; it is characterized in that the dust cover mounting structure comprises a dust cover fixedly mounted on a motor shaft through a motor anti-falling pull ring, wherein,
the dust cover is located below the motor anti-falling pull ring and sleeved on the periphery of the bearing seat, so that an annular dust-proof gap extending downwards and axially along the upper port of the bearing seat is formed between the dust cover and the bearing seat.
2. The dust cap mounting structure of an industrial ceiling fan motor of claim 1, wherein the annular dust gap has a radial width in the range of 1-5mm and an axial length in the range of 1-10mm.
3. The dust cover mounting structure of an industrial ceiling fan motor of claim 1, wherein an upper end of the dust cover is fixedly mounted and connected with the motor anti-falling pull ring through a plurality of fasteners.
4. The dust cover mounting structure of an industrial ceiling fan motor according to claim 1, wherein the dust cover is provided with a threading protection hole which integrally extends to the motor anti-falling pull ring and is correspondingly clamped and embedded with the pull ring threading protection hole of the motor anti-falling pull ring to form an outgoing line path of a motor wire harness.
5. The dust cover mounting structure of an industrial ceiling fan motor of claim 1, wherein the dust cover comprises a first annular cover body and a second annular cover body integrally formed and connected; wherein,
the inner diameter of the first annular cover body is smaller than that of the second annular cover body, and a step surface is formed between the first annular cover body and the second annular cover body;
the first annular cover body is fixedly connected with the motor anti-falling pull ring in a mounting manner;
the second annular cover body is sleeved on the periphery of the bearing seat, and an annular dustproof gap is formed between the second annular cover body and the bearing seat.
6. The dust cover mounting structure of claim 5, wherein the first annular cover body is provided with a threading protection hole which integrally extends to the motor anti-falling pull ring and is correspondingly clamped and embedded with the pull ring threading protection hole of the motor anti-falling pull ring to form an outgoing line path of the motor wire harness.
7. The dust cover mounting structure of an industrial ceiling fan motor according to claim 5, wherein a plurality of dust cover locking holes distributed at intervals are formed in the upper end portion of the first annular cover body, and pull ring locking holes which are in locking fit with the locking holes are formed in the motor anti-falling pull ring.
8. The dust cap mounting structure of an industrial ceiling fan motor of claim 7, wherein the number of dust cap locking holes is 2-6.
9. The dust cover mounting structure of an industrial ceiling fan motor of claim 1, wherein the motor anti-falling pull ring is fixedly mounted and connected with the dust cover to form a locking integrated piece, and then the locking integrated piece is fixedly mounted and connected with the motor shaft.
10. The dust cover mounting structure of an industrial ceiling fan motor of claim 1 or 5, wherein the dust cover is integrally injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302225.XU CN220711224U (en) | 2023-08-26 | 2023-08-26 | Dust cover mounting structure of industrial ceiling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322302225.XU CN220711224U (en) | 2023-08-26 | 2023-08-26 | Dust cover mounting structure of industrial ceiling fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220711224U true CN220711224U (en) | 2024-04-02 |
Family
ID=90437740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322302225.XU Active CN220711224U (en) | 2023-08-26 | 2023-08-26 | Dust cover mounting structure of industrial ceiling fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220711224U (en) |
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2023
- 2023-08-26 CN CN202322302225.XU patent/CN220711224U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |