CN222084765U - A fan - Google Patents
A fan Download PDFInfo
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- CN222084765U CN222084765U CN202420870461.3U CN202420870461U CN222084765U CN 222084765 U CN222084765 U CN 222084765U CN 202420870461 U CN202420870461 U CN 202420870461U CN 222084765 U CN222084765 U CN 222084765U
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- Prior art keywords
- air
- fan
- machine shell
- air outlet
- casing
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000007664 blowing Methods 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000005457 ice water Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 210000004243 sweat Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan, which belongs to the technical field of household appliances, and particularly comprises a front casing, a rear casing and an air guide cover, wherein the rear casing comprises a rear casing, an air duct is uniformly formed in the middle of the rear casing and the middle of the front casing, a rear air net is integrally formed at the end part of the air duct on the rear casing, an air inlet groove is formed in the rear air net, the air guide cover comprises a sealing disc, and a plurality of air outlet holes are formed in the sealing disc. The utility model changes the design of the traditional common fan housing, so that the cooling effect of the narrow pipe effect can be achieved in the process of realizing high-speed circulation of air flow when the whole fan is in operation, the fan can have a certain physical cooling effect on the environment without any foreign matters when in operation, the problem of blowing hot air can be effectively avoided in the hot summer, the common fan can also have the effect of an air-conditioning fan, and the fan is more convenient to use compared with the prior known air-conditioning fan.
Description
Technical Field
The utility model belongs to the technical field of household appliances, and particularly relates to a fan.
Background
The fan is one of the cooling household appliances commonly used in summer at present, and the fan is divided into two types of common fans and refrigerating fans, wherein the refrigerating fan is mainly used for carrying out auxiliary cooling on air flowing through an air duct by adding ice water and ice blocks, the fan is very troublesome in that ice bags or ice water are required to be prepared in advance before the fan is used, if normal-temperature water is used, the cooling effect is very little, the common fan is used, only the fan blades are driven to rotate at a high rotating speed through the motor of the fan to form artificial high-speed air flow, and the cooling effect is achieved by matching sweat on the skin surface of a human body, however, the fan is easy to generate a hot air blowing phenomenon in the working process, especially in hot summer, and the experience effect is poor for users.
Disclosure of utility model
The present utility model is directed to a fan for solving the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The fan comprises a front shell, a rear shell and a wind scooper, wherein the front shell and the rear shell are connected in a buckled mode and are fixed through screws, a fan motor component is installed in the middle of the front shell through a bracket, the wind scooper is arranged on the front face of the front shell and is in transmission connection with the fan motor component through a front cover, the rear shell comprises a rear shell, an air channel is formed in the middle of the rear shell and in the middle of the front shell uniformly, a rear air net is integrally formed at the end portion of the air channel on the rear shell, and an air inlet groove is formed in the rear air net.
Further, the wind scooper comprises a sealing disc, a plurality of wind outlet holes are formed in the sealing disc, the wind outlet holes are formed by an air inlet end and an air outlet end, and one side opposite to the air inlet end and the air outlet end is in transitional connection through a wind passing edge.
Further, the two side holes of the slotted hole of the air inlet slot are expanded outwards to form a narrow pipe structure with wide sides and narrow middle.
Further, the fan motor assembly comprises a high-speed fan motor, fan blades and a driving motor for driving the wind scooper to rotate, the fan blades are arranged on an output shaft of the fan motor, and a gap of 1-2 mm is reserved between the outer edges of the fan blades and the inner wall of the air duct.
Furthermore, the air inlet end and the air outlet end of the air outlet hole are both in flaring design, so that the air outlet hole forms a narrow pipe structure, and the air inlet end and the air outlet end are in transitional connection with each other and the air passing edge is in arc design.
Further, the middle part of one side of the wind scooper, which is close to the fan motor component, is integrally formed with an adapting groove.
Further, the wind scooper is rotatably arranged on the inner side of the air duct in the middle of the front casing, a check ring is glued on one side, close to the wind scooper, of the inner side of the air duct on the front casing, a circle of rubber sealing strip with a triangular cross section is glued and fixed on one side, close to the front casing, of the outer edge of the sealing disc of the wind scooper, and a V-shaped annular groove for adapting to the rubber sealing strip is formed between the check ring and the inner wall of the air duct on the front casing.
The beneficial effects are that:
According to the utility model, through improving the structures of the rear air net and the air guide cover, the traditional common fan housing design is changed, so that the whole fan can reach a narrow pipe effect cooling effect in the process of realizing high-speed circulation of air flow by means of the structural design of the air inlet grooves and the air outlet holes when in operation, the fan can reach a certain physical cooling effect on the environment without any foreign matters when in operation, the problem of blowing hot air can be effectively avoided in hot summer, the common fan can also have the effect of an air-conditioning fan, and compared with the existing known air-conditioning fan, the fan housing design is more convenient to use, and can effectively prevent children from extending fingers into the fan by mistake, so that the fan housing design is higher in safety compared with the traditional fan housing design.
Drawings
FIG. 1 is a schematic view of the exploded structure of the present utility model;
FIG. 2 is a schematic diagram showing a half cross-sectional structure of a wind scooper according to the present utility model;
FIG. 3 is a schematic diagram of a half cross-section of a wind scooper according to the present utility model;
FIG. 4 is a schematic view of a retainer ring according to the present utility model;
fig. 5 is a schematic diagram of a half cross-sectional structure of a rear chassis according to the present utility model.
In the figure, 1, a front machine shell, 2, a rear machine shell, 201, a rear machine shell, 202, an air duct, 203, a rear air net, 204, an air inlet groove, 3, an air guide cover, 301, a sealing disc, 302, an adapting groove, 303, an air outlet hole, 304, an air inlet end, 305, an air outlet end, 306, an air passing edge, 307, a rubber seal, 4, a fan motor component, 5 and a retainer ring.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to those skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Examples
The fan is mainly divided into two types, namely a common fan and a refrigerating fan, wherein the refrigerating fan mainly uses ice water or ice cubes to make the ice water circulate to cool the air flowing through an air duct in an auxiliary way through a pump, the fan is very troublesome to prepare ice bags or ice water in advance before being used, is greatly limited by the use condition, and has the effect of being generally free from two common fans if the ice bags or the ice water are not used, and the common fan only drives the fan blades to rotate at a high rotating speed through a motor of the fan to form artificial high-speed air flow to match sweat stain evaporation on the surface of human skin to achieve the cooling effect in use, however, the fan is easy to generate a hot air blowing phenomenon in the working process, has poor experience effect for users, and in order to solve the problem, the fan structure is improved, and the fan structure is provided with the following specific scheme:
As shown in fig. 1, the present embodiment provides a fan, which includes a front casing 1, a rear casing 2, and a wind scooper 3, where the front casing 1 and the rear casing 2 are fastened and fixed by screws, the middle part of the front casing 1 is provided with a fan motor assembly 4 by a bracket, and the wind scooper 3 is disposed on the front surface of the front casing 1 and is in transmission connection with the fan motor assembly 4 by a front cover.
As shown in fig. 5, the rear casing 2 includes a rear casing 201, the middle part of the rear casing 201 and the middle part of the front casing 1 are integrally formed with an air duct 202, the end part of the air duct 202 on the rear casing 2 is integrally formed with a rear air net 203, the rear air net 203 is provided with an air inlet slot 204, meanwhile, as shown in fig. 2-3, the air guide cover 3 includes a sealing disc 301, a plurality of air outlet holes 303 are provided on the sealing disc 301, wherein the number of the air outlet holes 303 is not less than three, and the front cover is used as a center and is distributed equidistantly around the circumference, so that the fan can achieve the air cooling effect only by self structural design under the action of no foreign matters, the air outlet holes 303 are formed by an air inlet end 304 and an air outlet end 305, opposite sides of the air inlet end 304 and the air outlet end 305 are in transition connection through an air passing edge 306, the air inlet end 304 and the air outlet end 305 are all in flaring design, the two slot hole edges of the air inlet slot 204 are expanded outwards to form a narrow pipe structure with two sides wide middle.
The whole fan is ventilated through the air inlet groove 204 on the back and the design of the air outlet hole 303 on the front, so that the double-narrow-pipe structure is formed, compared with the traditional fan, the air flow speed is faster, strong wind is easier to generate, moreover, after the high-speed air flow passes through the double-narrow-pipe structure, the environment temperature can be effectively reduced in a certain range after the high-speed air flow is compressed and expanded (heat release and heat absorption), the certain refrigerating and cooling effects are achieved, the phenomenon of blowing hot air can be effectively avoided, and the user experience can be effectively improved.
The fan motor assembly 4 includes a high-speed fan motor, fan blades and a driving motor for driving the wind scooper 3 to rotate, the high-speed fan motor is mainly used for enabling the fan to have enough power, the fan blades are mounted on an output shaft of the fan motor, and a gap of 1-2 mm is reserved between the outer edges of the fan blades and the inner wall of the air duct 202.
As shown in fig. 2-3, in order to facilitate the high-speed airflow to pass through the position of the air-passing edge 306 as soon as possible, the air-passing edge 306, in which the air inlet end 304 and the air outlet end 305 are in transitional connection, is designed in a circular arc.
As shown in fig. 3, the middle part of one side of the air guiding cover 3, which is close to the fan motor assembly 4, is integrally formed with an adapting groove 302, and the adapting groove 302 is designed, so that the assembly between the air guiding cover 3 and the front casing 1 can be more coordinated and tight.
As shown in fig. 2-4, the air guide cover 3 is rotatably installed inside the air duct 202 in the middle of the front casing 1, in order to avoid serious air leakage phenomenon between the outer edge of the air guide cover 3 and the inner wall of the air duct 202 in the middle of the front casing 1, a check ring 5 is glued on one side, close to the air guide cover 3, of the inner side of the air duct 202 on the front casing 1, and meanwhile, a circle of rubber seal 307 with a triangular cross section is glued and fixed on one side, close to the front casing 1, of the outer edge of the sealing disc 301 of the air guide cover 3, and meanwhile, an annular groove which is used for adapting to the V-shaped design of the rubber seal 307 is formed between the check ring 5 and the inner wall of the air duct 202 on the front casing 1, and the sealing effect can be effectively achieved through the cooperation of the annular groove and the rubber seal 307, so that the problem of gap air leakage can be furthest reduced.
Finally, it should be noted that the above description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The fan comprises a front machine shell (1), a rear machine shell (2) and a wind scooper (3), wherein the front machine shell (1) and the rear machine shell (2) are connected in a buckled mode and are fixed through screws, a fan motor component (4) is mounted at the middle of the front machine shell (1) through a bracket, the wind scooper (3) is arranged on the front face of the front machine shell (1) and is in transmission connection with the fan motor component (4) through a front cover, the fan is characterized in that the rear machine shell (2) comprises a rear shell (201), an air duct (202) is integrally formed in the middle of the rear shell (201) and the middle of the front machine shell (1), a rear air net (203) is integrally formed at the end part of the air duct (202) on the rear machine shell (2), and an air inlet groove (204) is formed in the rear air net (203);
The air guide cover (3) comprises a sealing disc (301), a plurality of air outlet holes (303) are formed in the sealing disc (301), each air outlet hole (303) is composed of an air inlet end (304) and an air outlet end (305), and one opposite side of each air inlet end (304) and one opposite side of each air outlet end (305) are in transitional connection through an air passing rib (306).
2. A fan according to claim 1, wherein the slot holes of the air inlet slot (204) are flared along each side to form a narrow slot structure with two wide sides and a narrow middle.
3. A fan according to claim 1, characterized in that the fan motor assembly (4) comprises a high-speed fan motor, blades and a driving motor for driving the wind scooper (3) to rotate, the blades are arranged on the output shaft of the fan motor, and a gap of 1-2 mm is reserved between the outer edges of the blades and the inner wall of the wind channel (202).
4. The fan according to claim 1, wherein the air inlet end (304) and the air outlet end (305) of the air outlet hole (303) are both in a flaring design, so that the air outlet hole (303) forms a narrow pipe structure, and the air passing edge (306) for performing transitional connection between the air inlet end (304) and the air outlet end (305) is in an arc design.
5. A fan according to claim 1, characterized in that the middle part of the side of the air guiding cover (3) close to the fan motor assembly (4) is integrally formed with an adapting groove (302).
6. The fan according to claim 5, wherein the air guiding cover (3) is rotatably installed inside an air duct (202) in the middle of the front casing (1), a retainer ring (5) is glued on one side, close to the air guiding cover (3), of the inner side of the air duct (202) on the front casing (1), a circle of rubber sealing strip (307) with a triangular cross section is glued and fixed on one side, close to the front casing (1), of the outer edge of a sealing disc (301) of the air guiding cover (3), and an annular groove for adapting to the V-shaped design of the rubber sealing strip (307) is formed between the retainer ring (5) and the inner wall of the air duct (202) on the front casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420870461.3U CN222084765U (en) | 2024-04-24 | 2024-04-24 | A fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420870461.3U CN222084765U (en) | 2024-04-24 | 2024-04-24 | A fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222084765U true CN222084765U (en) | 2024-11-29 |
Family
ID=93598449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420870461.3U Active CN222084765U (en) | 2024-04-24 | 2024-04-24 | A fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222084765U (en) |
-
2024
- 2024-04-24 CN CN202420870461.3U patent/CN222084765U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241225 Address after: No. 16-31, Keshiao Village, Shizhong District, Neijiang City, Sichuan Province 641000 Patentee after: Tang Yuxin Country or region after: China Address before: 641000 No. W0160, 2nd Floor, Building 1, No. 888 Hanchen Road, Neijiang Economic and Technological Development Zone, Neijiang City, Sichuan Province Patentee before: Neijiang Shining Xin Commercial Retail Co.,Ltd. Country or region before: China |