CN216381897U - External rotor axial flow fan - Google Patents
External rotor axial flow fan Download PDFInfo
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- CN216381897U CN216381897U CN202122453652.9U CN202122453652U CN216381897U CN 216381897 U CN216381897 U CN 216381897U CN 202122453652 U CN202122453652 U CN 202122453652U CN 216381897 U CN216381897 U CN 216381897U
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- axial flow
- fan
- flow fan
- fan shell
- rotor axial
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Abstract
The utility model provides an external rotor axial flow fan which comprises a cylindrical fan shell, wherein one end of the cylindrical fan shell is fixedly connected with a lower frame, the top end of the lower frame is connected with an upper frame in a matching mode, the interior of the upper frame is movably connected with dustproof blocking cloth, movable connecting blocks are fixedly arranged on two sides of the bottom end of the dustproof blocking cloth, magnetic limiting blocks are fixedly arranged on the side edges of the two movable connecting blocks, a radiation supporting frame is arranged in the cylindrical fan shell, a rotor motor is arranged in a motor connecting seat, the output end of the rotor motor is fixedly connected with a six-blade fan, and a sound absorption column is fixedly arranged between two adjacent supporting rods of the radiation supporting frame. According to the utility model, through the lower frame, the upper frame, the dustproof blocking cloth, the magnetic limiting block, the movable connecting block and the dust and sand screen, the front end and the rear end of the cylindrical fan shell have good dustproof effects, so that the influence on the air output of the axial flow fan is reduced, and the service life and the use effect are improved.
Description
Technical Field
The utility model belongs to the technical field of fans, and particularly relates to an outer rotor axial flow fan.
Background
The outer rotor axial flow fan has the characteristics of compact structure, convenience in installation, reliability in operation, energy conservation, high efficiency and the like, is widely applied to building facilities such as hotels, restaurants, industrial and mining enterprises, office buildings, movie theaters and the like, and can also be used as matching equipment or ventilation and heat dissipation of a refrigerator cold storage, for example, matching with refrigerating equipment or facilities such as supermarket refrigerator cold storages, ice machines, air coolers, water coolers, condensing units and the like, or matching with equipment such as dehumidifiers, evaporators, side wall fans, fire fighting fans, central air conditioning fans and the like.
However, the existing external rotor axial flow fan has some disadvantages, for example, the existing axial flow fan mostly does not have a good dustproof structure, especially the front end and the rear end of the fan, although the fan has a protective net, the dustproof effect is very little, and meanwhile, the existing external rotor axial flow fan has large noise, so that the noise of the motor influences people to have a rest when in operation, and the use is inconvenient.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an outer rotor axial flow fan with good dustproof effect and low noise.
The purpose of the utility model can be realized by the following technical scheme: an outer rotor axial flow fan comprises a cylindrical fan shell, wherein one end of the cylindrical fan shell is fixedly connected with a lower frame, the top end of the lower frame is connected with an upper frame in a matching manner, the interior of the upper frame is movably connected with dustproof blocking cloth, movable connecting blocks are fixedly arranged on two sides of the bottom end of the dustproof blocking cloth, magnetic limiting blocks are fixedly arranged on the lateral sides of the two movable connecting blocks, sliding grooves are formed in two sides of the interior of the lower frame and are connected with the corresponding movable connecting blocks in a sliding manner, a radiation supporting frame is arranged in the cylindrical fan shell, a motor connecting seat is fixedly arranged in the radiation supporting frame, a rotor motor is arranged in the motor connecting seat, a junction box of the rotor motor is electrically connected with an external power supply, and a six-blade fan is fixedly connected to the output end of the rotor motor, and a sound absorption column is fixedly arranged between two adjacent supporting rods of the radiation supporting frame.
In foretell outer rotor axial fan, it is a plurality of sound absorption column all includes inhales sound cotton column layer, slay cotton layer and natural fibre, slay cotton layer sets up between inhaling sound cotton column layer and natural fibre.
In the outer rotor axial flow fan, the other end of the cylindrical fan shell is connected with the dust-stained sand net in a matching mode, and the top end and the bottom end of the dust-stained sand net are provided with the buckling plates which are connected with the cylindrical fan shell in a matching mode.
In the outer rotor axial flow fan, the steel wire protective covers are movably arranged in the openings at the two ends of the cylindrical fan shell.
In the outer rotor axial flow fan, the outer surface of the cylindrical fan shell is coated with a polycarbonate coating.
In the outer rotor axial flow fan, the bottom end of the cylindrical fan shell is connected with the damping mounting plate through a welding piece in a welding mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. this external rotor axial fan keeps off cloth, magnetism stopper, swing joint piece and be stained with the husky net of ash through the underframe that is equipped with, go up the frame for the front end and the rear end of cylindric fan shell play good dustproof effect, make the influence that axial fan air output received reduce, improve life and result of use.
2. This outer rotor axial fan is through the sound absorption post that is equipped with to inhale sound cotton column layer, slay cotton layer and natural fibre and constitute, and reduction axial fan's noise can be by a wide margin, and the noise reduction provides high-quality operational environment to the influence of people.
Drawings
Fig. 1 is a perspective view of the present external rotor axial flow fan.
Fig. 2 is a schematic view of the expanded structure of the present external rotor axial flow fan.
Fig. 3 is a schematic structural view of an upper frame in the axial flow fan with the outer rotor.
Fig. 4 is a schematic structural view of the lower frame of the axial flow fan with the outer rotor.
Fig. 5 is a schematic sectional view of the structure of the sound absorbing column in the present external rotor axial flow fan.
In the figure, 1, a cylindrical fan shell; 2. a lower frame; 3. an upper frame; 4. dustproof blocking cloth; 5. a buckle plate; 6. a radiation support frame; 7. a motor connecting seat; 8. a rotor motor; 9. a six-bladed fan; 10. a steel wire protective cover; 11. a shock-absorbing mounting plate; 12. dipping a dust sand net; 13. a sound absorbing column; 14. a magnetic stopper; 15. a movable connecting block; 16. a sliding groove; 17. a sound absorbing cotton column layer; 18. a slag wool layer; 19. natural fibers.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2, 3 and 4, the external rotor axial flow fan comprises a cylindrical fan housing 1, one end of the cylindrical fan housing 1 is fixedly connected with a lower frame 2, the top end of the lower frame 2 is connected with an upper frame 3 in a matching manner, the interior of the upper frame 3 is movably connected with a dustproof blocking cloth 4, two sides of the bottom end of the dustproof blocking cloth 4 are fixedly provided with movable connecting blocks 15, the sides of the two movable connecting blocks 15 are fixedly provided with magnetic limiting blocks 14, two sides of the interior of the lower frame 2 are provided with sliding grooves 16, the two sliding grooves 16 are slidably connected with the corresponding movable connecting blocks 15, the interior of the cylindrical fan housing 1 is provided with a radiation support frame 6, the interior of the radiation support frame 6 is fixedly provided with a motor connecting seat 7, the interior of the motor connecting seat 7 is provided with a rotor junction box 8, the rotor motor 8 is electrically connected with an external power supply, the output end of the rotor motor 8 is fixedly connected with a six-blade fan 9, and a sound absorption column 13 is fixedly arranged between two adjacent support rods of the radiation support frame 6.
In more detail, as shown in fig. 5, each of the plurality of sound-absorbing columns 13 includes a sound-absorbing column layer 17, a slag wool layer 18, and natural fibers 19, and the slag wool layer 18 is disposed between the sound-absorbing column layer 17 and the natural fibers 19, so that noise of the axial flow fan can be greatly reduced.
The other end of the cylindrical fan shell 1 is connected with a dust-stained sand net 12 in a matching mode, the top end and the bottom end of the dust-stained sand net 12 are both provided with the buckling plates 5, and the two buckling plates 5 are connected with the cylindrical fan shell 1 in a matching mode, so that the dustproof effect is improved, and the service life is guaranteed; the steel wire protective covers 10 are movably arranged in the openings at the two ends of the cylindrical fan shell 1, so that the protective effect is improved, and people are prevented from being accidentally injured in the using process; the outer surface of the cylindrical fan shell 1 is coated with a polycarbonate coating, so that the performance of preventing rainwater corrosion is improved; the bottom of cylindric fan shell 1 has shock attenuation mounting panel 11 through welding piece welded connection, improves the stability of installation, avoids vibrations to lead to cylindric fan shell 1 to take place not hard up.
When the external rotor axial flow fan is used in detail, the cylindrical fan shell 1 is installed at a using position through the shock absorption installation plate 11, the external rotor axial flow fan is connected with a power supply, the rotor motor 8 drives the six-blade fan 9 to rotate to drive air to flow to generate air flow, in the using process, the sound absorption column 13 consisting of the sound absorption column layer 17, the slag cotton layer 18 and the natural fiber 19 can greatly reduce the noise of the axial flow fan, reduce the influence of the noise on people and provide a high-quality working environment, when the external rotor axial flow fan is not used, the two magnetic limiting blocks 14 are pulled to enable the movable connecting blocks 15 to slide in the corresponding sliding grooves 16, the dustproof blocking cloth 4 is pulled down, the front end of the cylindrical fan shell 1 plays a good dustproof effect, the influence on the air output of the axial flow fan is reduced, the service life and the using effect are improved, and the dustproof effect at the two ends of the cylindrical fan shell 1 is ensured by matching with the dust-stained sand net 12, the practicability is strong.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (6)
1. The outer rotor axial flow fan comprises a cylindrical fan shell (1) and is characterized in that one end of the cylindrical fan shell (1) is fixedly connected with a lower frame (2), the top end of the lower frame (2) is connected with an upper frame (3) in a matched mode, the inner portion of the upper frame (3) is movably connected with a dustproof blocking cloth (4), movable connecting blocks (15) are fixedly installed on two sides of the bottom end of the dustproof blocking cloth (4), magnetic limiting blocks (14) are fixedly arranged on the sides of the movable connecting blocks (15), sliding grooves (16) are formed in two sides of the inner portion of the lower frame (2), the sliding grooves (16) are slidably connected with the corresponding movable connecting blocks (15), a radiation support frame (6) is installed in the cylindrical fan shell (1), and a motor connecting seat (7) is fixedly installed in the radiation support frame (6), the internal mounting of motor connecting seat (7) has rotor motor (8), the terminal box and the external power supply electric connection of rotor motor (8), the output end fixedly connected with six leaf fan (9) of rotor motor (8), all fixed sound absorbing column (13) that are equipped with between two adjacent branches of radiation support frame (6).
2. The external rotor axial flow fan of claim 1, wherein: the sound absorption columns (13) comprise sound absorption column layers (17), slag wool layers (18) and natural fibers (19), and the slag wool layers (18) are arranged between the sound absorption column layers (17) and the natural fibers (19).
3. The external rotor axial flow fan of claim 1, wherein: the other end cooperation of cylindric fan shell (1) is connected with and is stained with husky net of ash (12), buckle board (5), two are all installed to the top and the bottom of being stained with husky net of ash (12) buckle board (5) are connected with cylindric fan shell (1) cooperation.
4. The external rotor axial flow fan of claim 1, wherein: both ends open-ended inside of cylindric fan shell (1) all movable mounting have steel wire protection casing (10).
5. The external rotor axial flow fan of claim 1, wherein: the outer surface of the cylindrical fan shell (1) is coated with a polycarbonate coating.
6. The external rotor axial flow fan of claim 1, wherein: the bottom end of the cylindrical fan shell (1) is connected with a damping mounting plate (11) through a welding piece in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453652.9U CN216381897U (en) | 2021-10-12 | 2021-10-12 | External rotor axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453652.9U CN216381897U (en) | 2021-10-12 | 2021-10-12 | External rotor axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381897U true CN216381897U (en) | 2022-04-26 |
Family
ID=81243037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122453652.9U Active CN216381897U (en) | 2021-10-12 | 2021-10-12 | External rotor axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381897U (en) |
-
2021
- 2021-10-12 CN CN202122453652.9U patent/CN216381897U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: External rotor axial flow fan Effective date of registration: 20221201 Granted publication date: 20220426 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Dayang fan Co.,Ltd. Registration number: Y2022980024256 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |