CN204942054U - A kind of main machine structure preventing dust from directly entering bearing - Google Patents
A kind of main machine structure preventing dust from directly entering bearing Download PDFInfo
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- CN204942054U CN204942054U CN201520703945.XU CN201520703945U CN204942054U CN 204942054 U CN204942054 U CN 204942054U CN 201520703945 U CN201520703945 U CN 201520703945U CN 204942054 U CN204942054 U CN 204942054U
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Abstract
The utility model discloses a kind of main machine structure preventing dust from directly entering bearing, comprise rotor, casing, upper bearing (metal) support, upper matched bearings, upper bearing (metal) gland, support, lower bracket, lower bearing gland, lower matched bearings and the bearing a set of cups being provided with dust-proof hole, upper bearing (metal) support is provided with mounting hole, upper bearing (metal) support is fixedly connected on the upper end of casing, upper matched bearings is fixedly connected in mounting hole by upper bearing (metal) gland, lower bracket is fixedly connected on support, support is fixedly connected on the lower end of casing, bearing a set of cups is fixedly connected on lower bracket, lower matched bearings is fixedly connected in the dust-proof hole of bearing a set of cups by lower bearing gland, the two ends up and down of rotor are supported in matched bearings and in lower matched bearings respectively, and rotor is upper, lower two ends stretch in outside casing by upper mounting hole and dust-proof hole, the inwall of mounting hole is provided with the first dustproof groove, the inwall in dust-proof hole is provided with the second dustproof groove, the inner hole wall of lower bearing gland is provided with the 3rd dustproof groove.
Description
Technical field:
The utility model relates to a kind of main machine structure preventing dust from directly entering bearing, and it belongs to centrifugal fan technical field.
Background technique:
In existing centrifugal fan, in blower fan normal course of operation, air-flow can enter main frame inside by the gap below impeller, a large amount of dust is deposited on bearing by drag effects near bearing, long term accumulation lower bearing very easily damages, greatly reduce the working life of bearing, also reduce the safety reliability of machine.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Model utility content:
The utility model provides a kind of main machine structure preventing dust from directly entering bearing to solve above-mentioned prior art Problems existing.
The technological scheme that the utility model adopts has: a kind of main machine structure preventing dust from directly entering bearing, it comprises rotor, casing, upper bearing (metal) support, upper matched bearings, upper bearing (metal) gland, support, lower bracket, lower bearing gland, lower matched bearings and the bearing a set of cups being provided with dust-proof hole, described upper bearing (metal) support is provided with mounting hole, upper bearing (metal) support is fixedly connected on the upper end of casing, upper matched bearings is fixedly connected in mounting hole by upper bearing (metal) gland, described lower bracket is fixedly connected on support, support is fixedly connected on the lower end of casing, bearing a set of cups is fixedly connected on lower bracket, lower matched bearings is fixedly connected in the dust-proof hole of bearing a set of cups by lower bearing gland, the two ends up and down of described rotor are supported in matched bearings and in lower matched bearings respectively, and rotor is upper, lower two ends stretch in outside casing respectively by upper mounting hole and dust-proof hole, the inwall of described mounting hole is provided with the first dustproof groove, the inwall in dust-proof hole is provided with the second dustproof groove, the inner hole wall of lower bearing gland is provided with the 3rd dustproof groove.
Further, described first dustproof groove, the second dustproof groove and the 3rd dustproof groove are flexuose.
Further, be provided with between described bearing a set of cups and lower bracket and adjust gap pad.
Further, anticollision ring is provided with between described lower bearing gland and rotor.
The utility model has following beneficial effect: the utility model structure is simple, effectively can prevent dust from entering on bearing, considerably increase the working life of bearing in normal course of operation.
Accompanying drawing illustrates:
Fig. 1 is structural drawing of the present utility model.
Fig. 2 is A partial enlargement structural drawing in the utility model.
Fig. 3 is B partial enlargement structural drawing in the utility model.
Wherein:
1-rotor; 2-casing; 3-upper bearing (metal) support; 4-sensor; The upper matched bearings of 5-; 6-upper bearing (metal) gland; 9-support; 12-lower bracket; 13-adjusts gap pad; 16-anticollision ring; 17-lower bearing gland; Matched bearings under 18-; 19-bearing a set of cups; 31-mounting hole; 32-first dustproof groove; The dust-proof hole of 190-; 191-second dustproof groove; 170-the 3rd dustproof groove.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further described.
Please refer to shown in Fig. 1 to Fig. 3, the utility model prevents dust from directly entering the main machine structure of bearing, comprise rotor 1, casing 2, upper bearing (metal) support 3, upper matched bearings 5, upper bearing (metal) gland 6, support 9, lower bracket 12, lower bearing gland 17, lower matched bearings 18 and be provided with the bearing a set of cups 19 in dust-proof hole 190, upper bearing (metal) support 3 is provided with mounting hole 31, upper bearing (metal) support 3 is fixedly connected on the upper end of casing 2, and upper matched bearings 5 is fixedly connected in mounting hole 31 by upper bearing (metal) gland 6.
Lower bracket 12 is fixedly connected on support 9, and support 9 is fixedly connected on the lower end of casing 2, and bearing a set of cups 19 is fixedly connected on lower bracket 12, and lower matched bearings 18 is fixedly connected in the dust-proof hole 190 of bearing a set of cups 19 by lower bearing gland 17.The two ends up and down of rotor 1 are supported in matched bearings 5 and in lower matched bearings 18 respectively, and upper and lower two ends of rotor 1 stretch in outside casing 2 respectively by upper mounting hole 31 and dust-proof hole 190.
Dust-proof hole 190 in the utility model and mounting hole 31 are step hole, enter in casing 2 for preventing dust, the inwall of mounting hole 31 is provided with the first dustproof groove 32, and the inwall in dust-proof hole 190 is provided with the second dustproof groove 191, and the inner hole wall of lower bearing gland 17 is provided with the 3rd dustproof groove 170.Wherein the first dustproof groove 32, second dustproof groove 191 and the 3rd dustproof groove 170 are flexuose.
The utility model is make the position of bearing a set of cups 19 on lower bracket 12 adjustable, is provided with and adjusts gap pad 13 between bearing a set of cups 19 and lower bracket 12.
The utility model is protect rotor 1 better, is provided with anticollision ring 16 between lower bearing gland 17 and rotor 1.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (4)
1. the main machine structure preventing dust from directly entering bearing, it is characterized in that: comprise rotor (1), casing (2), upper bearing (metal) support (3), upper matched bearings (5), upper bearing (metal) gland (6), support (9), lower bracket (12), lower bearing gland (17), lower matched bearings (18) and be provided with the bearing a set of cups (19) in dust-proof hole (190), described upper bearing (metal) support (3) is provided with mounting hole (31), upper bearing (metal) support (3) is fixedly connected on the upper end of casing (2), upper matched bearings (5) is fixedly connected in mounting hole (31) by upper bearing (metal) gland (6), described lower bracket (12) is fixedly connected on support (9), support (9) is fixedly connected on the lower end of casing (2), bearing a set of cups (19) is fixedly connected on lower bracket (12), lower matched bearings (18) is fixedly connected in the dust-proof hole (190) of bearing a set of cups by lower bearing gland (17), the two ends up and down of described rotor (1) are supported in matched bearings (5) and in lower matched bearings (18) respectively, and rotor (1) is upper, lower two ends stretch in casing (2) outward respectively by upper mounting hole (31) and dust-proof hole (190), the inwall of described mounting hole (31) is provided with the first dustproof groove (32), the inwall in dust-proof hole (190) is provided with the second dustproof groove (191), the inner hole wall of lower bearing gland (17) is provided with the 3rd dustproof groove (170).
2. prevent dust from directly entering the main machine structure of bearing as claimed in claim 1, it is characterized in that: described first dustproof groove (32), the second dustproof groove (191) and the 3rd dustproof groove (170) are flexuose.
3. prevent dust from directly entering the main machine structure of bearing as claimed in claim 2, it is characterized in that: be provided with between described bearing a set of cups (19) and lower bracket (12) and adjust gap pad (13).
4. prevent dust from directly entering the main machine structure of bearing as claimed in claim 3, it is characterized in that: between described lower bearing gland (17) and rotor (1), be provided with anticollision ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703945.XU CN204942054U (en) | 2015-09-11 | 2015-09-11 | A kind of main machine structure preventing dust from directly entering bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703945.XU CN204942054U (en) | 2015-09-11 | 2015-09-11 | A kind of main machine structure preventing dust from directly entering bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942054U true CN204942054U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520703945.XU Active CN204942054U (en) | 2015-09-11 | 2015-09-11 | A kind of main machine structure preventing dust from directly entering bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN204942054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090092A (en) * | 2015-09-11 | 2015-11-25 | 南京磁谷科技有限公司 | Main machine structure preventing dust from directly entering bearing |
| CN106602781A (en) * | 2016-12-19 | 2017-04-26 | 南京磁谷科技有限公司 | Auxiliary bearing structure for magnetic levitation motor |
| CN107643176A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | A kind of overspeed test bench main machine structure |
-
2015
- 2015-09-11 CN CN201520703945.XU patent/CN204942054U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090092A (en) * | 2015-09-11 | 2015-11-25 | 南京磁谷科技有限公司 | Main machine structure preventing dust from directly entering bearing |
| CN106602781A (en) * | 2016-12-19 | 2017-04-26 | 南京磁谷科技有限公司 | Auxiliary bearing structure for magnetic levitation motor |
| CN107643176A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | A kind of overspeed test bench main machine structure |
| CN107643176B (en) * | 2017-10-30 | 2024-04-19 | 南京磁谷科技股份有限公司 | Main machine structure of overspeed test stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |