CN214145958U - Fan with dustproof and waterproof structure - Google Patents
Fan with dustproof and waterproof structure Download PDFInfo
- Publication number
- CN214145958U CN214145958U CN202022809567.7U CN202022809567U CN214145958U CN 214145958 U CN214145958 U CN 214145958U CN 202022809567 U CN202022809567 U CN 202022809567U CN 214145958 U CN214145958 U CN 214145958U
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- transmission shaft
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Abstract
The utility model provides a fan with dustproof and waterproof structure, which comprises a pump body, and locate the inside transmission shaft of the pump body, and fix the place cover and establish the impeller in the transmission shaft outside, the pump body includes pump seat and the pump cover that sets gradually along the axle direction of transmission shaft, the outside of pump seat is equipped with the motor, the motor is connected with the drive shaft looks drive, the inboard of pump cover is equipped with the installation cavity, be equipped with the bearing in the installation cavity, the bearing includes inner circle and outer lane, be equipped with the skeleton sealing washer between the both ends of inner circle and outer lane respectively, the internal diameter of inner circle is cup jointed with the external diameter of transmission shaft looks interference, the internal diameter of installation cavity cup joints with the external diameter looks interference of outer lane. Wherein, be equipped with the skeleton sealing washer respectively between the both ends of the inner circle of bearing and outer lane, can prevent effectively that water and dust from permeating in the bearing.
Description
Technical Field
The utility model relates to a fan technical field specifically is a fan with dustproof and waterproof structure.
Background
The fan generally includes a pump body, a transmission shaft disposed in the pump body and rotatably connected to the pump body through a bearing, and an impeller fixedly disposed outside the transmission shaft, and the impeller is driven to rotate by the transmission shaft, thereby realizing wind power transmission. But current fan lacks effectual dustproof and waterproof structure, and the water and the dust that get into the pump body inside have increased the wearing and tearing of bearing in permeating the bearing easily, have reduced the life of bearing, and serious can lead to the bearing card to die even.
SUMMERY OF THE UTILITY MODEL
For overcoming the deficiencies of the prior art, the utility model provides a fan with dustproof and waterproof structure can prevent effectively in water and the dust infiltration bearing.
The utility model adopts the following technical proposal.
The utility model provides a fan with dustproof and waterproof structure, includes the pump body to and locate the inside transmission shaft of the pump body to and fix the ground cover establish with the impeller in the transmission shaft outside, the pump body includes pump seat and the pump cover that sets gradually along the axial direction of transmission shaft, the outside of pump seat is equipped with the motor, the motor is connected with the drive shaft looks drive, the inboard of pump cover is equipped with the installation cavity, be equipped with the bearing in the installation cavity, the bearing includes inner circle and outer lane, be equipped with the skeleton sealing washer between the both ends of inner circle and outer lane respectively, the internal diameter of inner circle is cup jointed with the external diameter of transmission shaft looks interference, the internal diameter of installation cavity cup joints with the external diameter of outer lane looks interference.
Furthermore, a positioning part is arranged on the inner side wall of the installation cavity, the positioning part is abutted against one end, away from the impeller, of the outer ring, a positioning plate is abutted against the other end of the outer ring, and the positioning plate is fixedly connected with the pump cover.
Furthermore, a positioning ring extending into the positioning plate and the transmission shaft is formed at one end, close to the pump cover, of the impeller, the positioning ring is abutted against one end, close to the impeller, of the inner ring, a positioning cover is abutted against the other end of the inner ring, and the positioning cover is fixedly connected with the end part of the transmission shaft.
Further, the skeleton sealing washer includes rigid skeleton to and fix the rubber ring at rigid skeleton surface.
Furthermore, the outer surface of the pump cover is provided with folds.
The utility model has the advantages that:
the utility model provides a fan with dustproof and waterproof structure, which comprises a pump body, and locate the inside transmission shaft of the pump body, and fix the place cover and establish the impeller in the transmission shaft outside, the pump body includes pump seat and the pump cover that sets gradually along the axle direction of transmission shaft, the outside of pump seat is equipped with the motor, the motor is connected with the drive shaft looks drive, the inboard of pump cover is equipped with the installation cavity, be equipped with the bearing in the installation cavity, the bearing includes inner circle and outer lane, be equipped with the skeleton sealing washer between the both ends of inner circle and outer lane respectively, the internal diameter of inner circle is cup jointed with the external diameter of transmission shaft looks interference, the internal diameter of installation cavity cup joints with the external diameter looks interference of outer lane. Wherein, be equipped with the skeleton sealing washer respectively between the both ends of the inner circle of bearing and outer lane, can prevent effectively that water and dust from permeating in the bearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 2.
Description of reference numerals:
a pump body 1, a pump seat 11, a pump cover 12,
the mounting cavity 121, the positioning portion 122, the corrugations 123,
the transmission shaft 2 is provided with a transmission shaft,
the impeller 3, the positioning ring 31,
the motor (4) is provided with a motor,
a bearing 5, an inner ring 51, an outer ring 52, a skeleton sealing ring 53,
the rigid backbone 531, the rubber ring 532,
the positioning plate 6 is arranged on the base plate,
the cover 7 is positioned.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for a better understanding of the present embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent actual product dimensions.
It will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
The blower with the dustproof and waterproof structure comprises a pump body 1, a transmission shaft 2 arranged inside the pump body 1, an impeller 3 fixedly sleeved on the outer side of the transmission shaft 2, the pump body 1 comprises a pump base 11 and a pump cover 12 which are sequentially arranged along the axial direction of the transmission shaft 2, a motor 4 is arranged on the outer side of the pump base 11, the motor 4 is in driving connection with the transmission shaft 2, an installation cavity 121 is arranged on the inner side of the pump cover 12, a bearing 5 is arranged in the installation cavity 121, the bearing 5 comprises an inner ring 51 and an outer ring 52, framework sealing rings 53 are respectively arranged between two end portions of the inner ring 51 and the outer ring 52, the inner diameter of the inner ring 51 is in interference socket joint with the outer diameter of the transmission shaft 2, and the inner diameter of the installation cavity 121 is in interference socket joint with the outer diameter of the outer ring 52.
Preferably, a positioning portion 122 is arranged on the inner side wall of the mounting cavity 121, the positioning portion 122 abuts against one end, away from the impeller 3, of the outer ring 52, the other end of the outer ring 52 abuts against a positioning plate 6, and the positioning plate 6 is fixedly connected with the pump cover 12. The outer race 52 of the bearing 5 is fixed to the positioning portion 122 and the positioning plate 6. Specifically, the positioning plate 6 is fixedly connected with the pump cover 12 through screws.
Preferably, a positioning ring 31 extending between the positioning plate 6 and the transmission shaft 2 is formed at one end of the impeller 3 close to the pump cover 12, the positioning ring 31 abuts against one end of the inner ring 51 close to the impeller 3, the other end of the inner ring 51 abuts against a positioning cover 7, and the positioning cover 7 is fixedly connected with the end of the transmission shaft 2. The inner race of the bearing 5 is fixed by a positioning ring 31 and a positioning cover 7. Wherein, holding ring 31 stretches into between locating plate 6 and the transmission shaft 2 and with inner circle 51 looks butt, not only plays the effect of location to inner circle 51 to the clearance between locating plate 6 and the transmission shaft 2 has been reduced, be favorable to preventing that water and dust from passing the clearance between locating plate 6 and the transmission shaft 2 and then contacting with bearing 5. Specifically, the positioning cover 7 is fixedly connected with the end of the transmission shaft 2 through a screw.
Preferably, the skeletal sealing ring 53 includes a rigid skeleton 531, and a rubber ring 532 fixed to an outer surface of the rigid skeleton 531. Specifically, rigidity skeleton 531 is the C style of calligraphy, the open end of rigidity skeleton 531 just faces the inside of bearing 5 along the axial, rubber ring 532 is including the joint portion of locating rigidity skeleton 531 one end, and locate the first axial seal lip of rigidity skeleton 531 other end, second axial seal lip and radial seal lip, first axial seal lip and second axial seal lip extend towards the inside of bearing 5 along the axial, radial seal lip extends along radially towards the inside of bearing 5, the lateral wall of inner circle 21 just is equipped with the stair platform to the position department of rubber ring 532, the one end that the stair platform is close to inner circle 51 edge is the major diameter end, first axial seal lip is the butt with the path section of stair platform, the ring channel has been seted up on the ladder surface of stair platform, the second axial seal lip stretches into in the ring channel, radial seal lip is with the path section butt of stair platform.
Preferably, the pump cover 12 has wrinkles 123 formed on an outer surface thereof. The corrugation 123 increases the heat radiation area of the pump cover 12, which is advantageous for the heat radiation of the pump cover 12.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a fan with dustproof and waterproof structure, includes the pump body to and locate the inside transmission shaft of the pump body to and fix the ground cover establish with the impeller in the transmission shaft outside, its characterized in that, the pump body includes pump seat and the pump cover that sets gradually along the axle direction of transmission shaft, the outside of pump seat is equipped with the motor, the motor is connected with the drive of transmission shaft looks drive, the inboard of pump cover is equipped with the installation cavity, be equipped with the bearing in the installation cavity, the bearing includes inner circle and outer lane, be equipped with the skeleton sealing washer between the both ends of inner circle and outer lane respectively, the internal diameter of inner circle cup joints with the external diameter of transmission shaft looks interference, the internal diameter of installation cavity cup joints with the external diameter of outer lane looks interference.
2. The fan with the dustproof and waterproof structure according to claim 1, wherein a positioning portion is arranged on an inner side wall of the mounting cavity, the positioning portion abuts against one end, away from the impeller, of the outer ring, a positioning plate abuts against the other end of the outer ring, and the positioning plate is fixedly connected with the pump cover.
3. The fan with the dustproof and waterproof structure according to claim 1, wherein a positioning ring extending between the positioning plate and the transmission shaft is formed at one end of the impeller close to the pump cover, the positioning ring abuts against one end of the inner ring close to the impeller, a positioning cover abuts against the other end of the inner ring, and the positioning cover is fixedly connected with the end of the transmission shaft.
4. The blower with dustproof and waterproof structure as claimed in claim 1, wherein said skeleton sealing ring comprises a rigid skeleton and a rubber ring fixed on the outer surface of the rigid skeleton.
5. The blower fan with dustproof and waterproof structure according to claim 1, wherein the pump cover is formed with wrinkles on an outer surface thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809567.7U CN214145958U (en) | 2020-11-27 | 2020-11-27 | Fan with dustproof and waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809567.7U CN214145958U (en) | 2020-11-27 | 2020-11-27 | Fan with dustproof and waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145958U true CN214145958U (en) | 2021-09-07 |
Family
ID=77567419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022809567.7U Active CN214145958U (en) | 2020-11-27 | 2020-11-27 | Fan with dustproof and waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145958U (en) |
-
2020
- 2020-11-27 CN CN202022809567.7U patent/CN214145958U/en active Active
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