CN220319924U - Multistage labyrinth dustproof fan bracket assembly structure - Google Patents
Multistage labyrinth dustproof fan bracket assembly structure Download PDFInfo
- Publication number
- CN220319924U CN220319924U CN202321763633.9U CN202321763633U CN220319924U CN 220319924 U CN220319924 U CN 220319924U CN 202321763633 U CN202321763633 U CN 202321763633U CN 220319924 U CN220319924 U CN 220319924U
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- China
- Prior art keywords
- bearing
- fan
- bracket assembly
- assembly structure
- fan bracket
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Links
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a multistage labyrinth dustproof fan bracket assembly structure which comprises a fan belt pulley (1), a bearing seat (2) and a shaft connecting bearing (5), wherein a bearing part of the shaft connecting bearing (5) is arranged in the bearing seat (2), a shaft part of the shaft connecting bearing (5) is connected with the fan belt pulley (1) in a matched mode, the fan belt pulley (1) can rotate relative to the bearing seat (2), and a labyrinth dustproof structure is arranged between the fan belt pulley (1) and the bearing seat (2). The fan bracket is suitable for the working conditions of medium and high rotating speed, medium and high bearing and severe environment, and the fan bracket assembly has the characteristics of heavy load, simple structure, high efficiency, dust prevention and the like, thereby increasing the applicability of the fan bracket. The utility model realizes the fan bracket assembly structure with high bearing, high rotating speed, high efficiency, dust prevention and high adaptability.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a multistage labyrinth dustproof fan bracket assembly structure.
Background
Along with the promotion of six standard engines in China, the engine is not only used on roads with excellent environments, but also used under some severe working conditions such as mines, deserts, wetlands and the like. Meanwhile, the silicone oil clutch fan adopted at the front end is continuously increased in weight, the traditional bearing seat part can not completely meet the requirements of the national six-engine, the fan bracket assembly structure is mainly used on the front end wheel system of the engine, is required to bear higher radial and axial loads and higher rotating speed, is provided with parts such as a large-mass fan, an electromagnetic clutch and the like, and can be suitable for severe environmental working conditions such as mines, deserts, wetlands and the like. In the prior transmission device, a plurality of bearings or a double-row cone are adopted for step-by-step transmission, so that the defects of complex structure, difficult assembly, high failure rate, short service life and the like are often caused; under severe environment, the working condition of the fan bracket is severe, and dust and the like often enter the product to cause bearing failure.
Disclosure of Invention
The utility model provides a multistage labyrinth dustproof fan bracket assembly structure, and aims to solve the technical problems of complex structure, poor sealing performance and high failure rate of the existing fan bracket.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a multistage maze dustproof fan bracket assembly structure, this structure includes fan pulley, bearing frame and axle even bearing, the bearing part of axle even bearing is installed in the bearing frame, and the axial part of axle even bearing is connected with the fan pulley cooperation, the fan pulley can be with the bearing frame relative rotation, be provided with maze dustproof construction between fan pulley and the bearing frame.
Specifically, the left end of the fan belt pulley is provided with an inner hole of the connecting shaft.
Specifically, the shaft-connected bearing comprises a mandrel, a bearing and a sealing ring, one end of the mandrel is arranged in the bearing, the other end of the mandrel is in interference fit with an inner hole at the left end of the fan belt pulley, and the bearing is arranged in the bearing seat in interference fit.
Specifically, two rows of cylindrical rollers and ball rollers are arranged in the bearing, the ball rollers are located between the two rows of cylindrical rollers, and the outer circle of the mandrel is in running fit with the cylindrical rollers and the ball rollers.
Specifically, the sealing ring is arranged at a port where the mandrel is matched with the bearing, and the cylindrical roller is arranged in the bearing through the retainer.
Specifically, the labyrinth dustproof structure is a multistage labyrinth dustproof structure, and comprises a plurality of continuous mutually matched concave-convex structures arranged between a bearing seat and a fan belt pulley.
Specifically, a check ring is arranged at the joint of the bearing seat and the bearing.
Specifically, the left side of bearing frame is installed the shield.
Based on the technical scheme, the following technical effects can be produced:
1. the utility model provides a multistage labyrinth dustproof fan bracket assembly structure, which is characterized in that the structure of the fan bracket assembly is greatly simplified and the number of parts is reduced by fixing a bearing seat through a shaft connecting bearing and linking with a fan belt pulley;
2. the rear end of the fan bracket adopts a dust-proof cover type full-sealed dust-proof structure, a multistage labyrinth dust-proof structure is formed between the front end bearing seat and the fan belt pulley, the sealing performance is greatly improved, the service life is longer, and the environmental adaptability is enhanced;
3. and compared with a plurality of bearings or a double-row tapered roller bearing, the failure rate is greatly reduced by only using one shaft-connected bearing, and the shaft-connected bearing is provided with two rows of cylindrical rollers which can provide larger radial bearing capacity and ball rollers which can provide larger axial bearing capacity, so that the fan bracket can bear higher bearing capacity and higher rotating speed.
Drawings
FIG. 1 is a schematic view of a fan bracket according to the present utility model;
FIG. 2 is a schematic illustration of a shaft-coupling bearing structure of the present utility model;
FIG. 3 is a partial enlarged view of a multi-stage labyrinth dust seal.
In the figure: 1-fan belt pulley, 2-bearing frame, 3-shield, 4-retainer ring, 5-shield, 7-dabber, 8-bearing, 9-cylindrical roller, 10-ball roller, 11-holder, 12-sealing washer.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, a multistage labyrinth dustproof fan bracket assembly structure comprises a fan belt pulley 1, a bearing seat 2 and a shaft connecting bearing 5, wherein a bearing part of the shaft connecting bearing 5 is arranged in the bearing seat 2, a shaft part of the shaft connecting bearing 5 is connected with the fan belt pulley 1 in a matching way, the fan belt pulley 1 can rotate relative to the bearing seat 2, and a labyrinth dustproof structure is arranged between the fan belt pulley 1 and the bearing seat 2.
Alternatively or preferably, the left end of the fan pulley 1 is provided with an inner hole of a connecting shaft.
Alternatively or preferably, the shaft-connected bearing 5 comprises a mandrel 7, a bearing 8 and a sealing ring 12, one end of the mandrel 7 is installed in the bearing 8, the other end of the mandrel is in interference fit with an inner hole at the left end of the fan pulley 1, the bearing 8 is installed in the bearing seat 2 in interference fit, and the fan pulley 1 and the bearing seat 2 are connected together through the shaft-connected bearing 5 to form a rotating body to form a basic main body of the fan bracket.
Alternatively or preferably, two rows of cylindrical rollers 9 and ball rollers 10 are arranged in the bearing 8, the ball rollers 10 are located between the two rows of cylindrical rollers 9, the outer circle of the mandrel 7 is in running fit with the cylindrical rollers 9 and the ball rollers 10, the sizes of the two rows of cylindrical rollers 9 can be designed and adjusted to be different according to the bearing size and the rotating speed size of the fan bracket, and the sizes of one row of ball rollers 10 can also be different.
Alternatively or preferably, the sealing ring 12 is mounted at a port of the mandrel 7, which is matched with the bearing 8, and the cylindrical roller 9 is mounted in the bearing 8 through a retainer 11.
Alternatively or preferably, the labyrinth dustproof structure is a multistage labyrinth dustproof structure, and comprises a plurality of continuous mutually matched concave-convex structures arranged between the bearing seat 2 and the fan belt pulley 1.
Alternatively or preferably, a retainer ring 4 is arranged at the joint of the bearing seat 2 and the bearing 8.
Alternatively or preferably, a dust cover 3 is mounted on the left side of the bearing seat 2.
The utility model provides a high-reliability shaft-connected bearing fan bracket, which is characterized in that the shaft-connected bearing is fixed with a bearing seat and is linked with a fan belt pulley, so that the structure of the fan bracket assembly is greatly simplified, the number of parts is reduced, the rear end of the fan bracket is sealed by adopting a full-sealed dustproof structure, a multi-stage labyrinth dustproof structure is formed between the bearing seat at the front end and the belt pulley, and the bearing only uses one shaft-connected bearing, so that the failure rate is greatly reduced compared with the case of adopting a plurality of bearings or a double-row tapered roller bearing.
The present utility model has been described in detail with reference to the drawings and the embodiments, but the present utility model is not limited to the embodiments described above, and various changes can be made within the scope of those skilled in the art without departing from the spirit of the present utility model. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a multistage maze dustproof fan bracket assembly structure, this structure includes fan pulley (1), bearing frame (2) and axle even bearing (5), its characterized in that, the bearing part of axle even bearing (5) is installed in bearing frame (2), and the axial part of axle even bearing (5) is connected with fan pulley (1) cooperation, fan pulley (1) can with bearing frame (2) relative rotation, be provided with maze dustproof construction between fan pulley (1) and bearing frame (2).
2. The multistage labyrinth dustproof fan bracket assembly structure according to claim 1, wherein the left end portion of the fan pulley (1) is provided with an inner hole of a connecting shaft.
3. The multistage labyrinth dustproof fan bracket assembly structure according to claim 1, wherein the shaft-connected bearing (5) comprises a mandrel (7), a bearing (8) and a sealing ring (12), one end of the mandrel (7) is installed in the bearing (8), the other end of the mandrel is in interference fit with an inner hole at the left end of the fan pulley (1), and the bearing (8) is installed in the bearing seat (2) in interference fit.
4. A multistage labyrinth dustproof fan bracket assembly structure according to claim 3, characterized in that two rows of cylindrical rollers (9) and ball rollers (10) are arranged in the bearing (8), the ball rollers (10) are positioned between the two rows of cylindrical rollers (9), and the outer circle of the mandrel (7) is in running fit with the cylindrical rollers (9) and the ball rollers (10).
5. A multistage labyrinth dustproof fan bracket assembly structure according to claim 4, characterized in that the sealing ring (12) is arranged at a port where the mandrel (7) is matched with the bearing (8), and the cylindrical roller (9) is arranged in the bearing (8) through the retainer (11).
6. The multistage labyrinth dustproof fan bracket assembly structure according to claim 1, wherein the labyrinth dustproof structure is a multistage labyrinth dustproof structure comprising a plurality of continuous mutually matched concave-convex structures arranged between a bearing seat (2) and a fan belt pulley (1).
7. The multistage labyrinth dustproof fan bracket assembly structure according to claim 1, wherein a check ring (4) is arranged at the joint of the bearing seat (2) and the bearing (8).
8. A multistage labyrinth dustproof fan bracket assembly structure according to claim 1, characterized in that a dustproof cover (3) is mounted on the left side of the bearing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321763633.9U CN220319924U (en) | 2023-07-06 | 2023-07-06 | Multistage labyrinth dustproof fan bracket assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321763633.9U CN220319924U (en) | 2023-07-06 | 2023-07-06 | Multistage labyrinth dustproof fan bracket assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319924U true CN220319924U (en) | 2024-01-09 |
Family
ID=89416231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321763633.9U Active CN220319924U (en) | 2023-07-06 | 2023-07-06 | Multistage labyrinth dustproof fan bracket assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319924U (en) |
-
2023
- 2023-07-06 CN CN202321763633.9U patent/CN220319924U/en active Active
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