CN212296953U - Shock attenuation smoke exhaust fan - Google Patents
Shock attenuation smoke exhaust fan Download PDFInfo
- Publication number
- CN212296953U CN212296953U CN202020633381.8U CN202020633381U CN212296953U CN 212296953 U CN212296953 U CN 212296953U CN 202020633381 U CN202020633381 U CN 202020633381U CN 212296953 U CN212296953 U CN 212296953U
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- Prior art keywords
- fan
- motor housing
- smoke exhaust
- exhaust fan
- shell
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Abstract
The utility model relates to a shock attenuation smoke exhaust fan. The existing fan has the defects of poor fixing reliability, easy production and large vibration, noise generation and reliable operation of the fan due to the problems of self design and fixed installation. The utility model discloses a fan shell, its characterized in that fan shell in connect motor housing through a plurality of spliced poles, motor housing be the tube-shape, spliced pole along motor housing's outside circumference evenly around the distribution setting, motor housing in set up driving motor, the motor housing front end set up the impeller, impeller and motor shaft be connected, fan shell's bottom sets up the support station foot, support station foot cross-section be trapezoidal, and the symmetry sets up around being, fan shell's top sets up the installation piece, the installation piece on set up a spring hanger device. The utility model discloses can steadily reliably fix the fan, have the shock attenuation effect, the noise reduction.
Description
Technical Field
The utility model relates to a fan technical field, in particular to shock attenuation smoke exhaust fan.
Background
The existing fan has the defects of poor fixing reliability, easy production and large vibration, noise generation and reliable operation of the fan due to the problems of self design and fixed installation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a shock attenuation smoke exhaust fan, can steadily reliably fix the fan, has the shock attenuation effect, the noise reduction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a shock attenuation smoke exhaust fan, includes fan shell, its characterized in that fan shell in connect motor housing through a plurality of spliced poles, motor housing be the tube-shape, spliced pole along motor housing's outside circumference evenly around the distribution setting, motor housing in set up driving motor, motor housing front end set up the impeller, impeller and motor shaft be connected, fan shell's bottom sets up the support foot of standing, the support foot cross-section of standing be trapezoidal, and for the front and back symmetry setting, fan shell's top sets up the installation piece, the installation piece on set up a spring hanger device.
The spring hanger device comprises an outer frame, wherein the lower portion of the outer frame is provided with a threaded connecting rod, the upper half portion of the threaded connecting rod is inserted into the outer frame, the outer portion of the threaded connecting rod of the portion is surrounded by a spring, the lower end of the spring is abutted against the outer frame, the upper end of the spring is abutted against a limiting check ring, the limiting check ring is connected to the upper end of the threaded connecting rod, and the lower portion of the threaded connecting rod is further provided with a connecting nut.
The support stand foot comprises a vertical plate, and a flanging edge is formed on the inner side surface of the vertical plate. The support is stable and the cost is low.
The inner side of the vertical plate is connected with the fan shell through a supporting block.
The impeller comprises a central rotating drum, a plurality of obliquely arranged blades are uniformly arranged on the periphery of the central rotating drum along the circumferential direction, the blades are arc-shaped blades, and the central surface of each blade protrudes out of two end surfaces.
The front end and the rear end of the fan shell form an outward turning surface.
One side of the motor shell is connected with the ventilation pipe, and the other side of the ventilation pipe is connected with the fan shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the motor shell is reliably fixed by adopting a plurality of connecting columns distributed in a surrounding mode, so that vibration generated when the motor runs is reduced.
2. Arc blade and slant are arranged around central rotary drum, and the impeller of this kind of structure also enables the air-out more stable, reduces the vibration of the whole shell of fan.
3. The bottom of the fan shell is supported by the stable standing feet with the trapezoidal sections, so that the stability of the chassis is enhanced.
4. The top of the fan shell is provided with the spring hanger device, the top of the fan can be selectively fixed and hoisted by the spring hanger device, and the vibration generated during the operation of the fan is further reduced due to the spring damping function.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1, a shock attenuation smoke exhaust fan, including fan shell 3, connect motor housing through a plurality of spliced poles in the fan shell, motor housing be the tube-shape, spliced pole along motor housing's outside circumference evenly around the distribution setting, motor housing in set up driving motor, motor housing front end set up the impeller, impeller and motor shaft be connected, fan shell's bottom sets up support station foot 1, support station foot cross-section be trapezoidal, and for the front and back symmetry setting, fan shell's top sets up installation piece 9, the installation piece on set up a spring hanger device.
The spring hanger device include outer frame 8, the lower part of outer frame sets up threaded connection pole 10, threaded connection pole's first half inserts in outer frame 3, and the threaded connection pole outside of this part is encircleed and is set up spring 7, the lower extreme of spring supports and leans on outer frame 8, the upper end of spring supports and leans on spacing retaining ring 11, spacing retaining ring connect the upper end at threaded connection pole, threaded connection pole's lower part still sets up coupling nut 6.
The support stand foot comprises a vertical plate, and a flanging edge 12 is formed on the inner side surface of the vertical plate.
The inner side of the vertical plate is connected with the fan shell through a supporting block 2. The impeller comprises a central rotating drum 5, a plurality of obliquely arranged blades 4 are uniformly arranged on the periphery of the central rotating drum along the circumferential direction, the blades are arc-shaped blades, and the central surfaces of the blades protrude out of two end surfaces. The front and rear ends of the fan housing form an upturned face 12. One side of the motor shell is connected with the ventilation pipe, and the other side of the ventilation pipe is connected with the fan shell.
The utility model discloses an adopt a plurality of spliced poles that the surrounding type distributes to motor housing reliably fixed with it, the vibrations that produce when reducing the motor operation. The bottom of the fan shell is supported by the stable standing feet with the trapezoidal sections, so that the stability of the chassis is enhanced. The top of the fan shell is provided with the spring hanger device, the top of the fan can be selectively fixed and hoisted by the spring hanger device, and the vibration generated during the operation of the fan is further reduced due to the spring damping function.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a shock attenuation smoke exhaust fan, includes fan shell, its characterized in that fan shell in connect motor housing through a plurality of spliced poles, motor housing be the tube-shape, spliced pole along motor housing's outside circumference evenly around the distribution setting, motor housing in set up driving motor, motor housing front end set up the impeller, impeller and motor shaft be connected, fan shell's bottom sets up the support foot of standing, the support foot cross-section of standing be trapezoidal, and for the front and back symmetry setting, fan shell's top sets up the installation piece, the installation piece on set up a spring hanger device.
2. The shock-absorbing smoke exhaust fan according to claim 1, wherein the spring hanger device comprises an outer frame, a threaded connecting rod is arranged at the lower part of the outer frame, the upper half part of the threaded connecting rod is inserted into the outer frame, a spring is arranged around the outer part of the threaded connecting rod, the lower end of the spring abuts against the outer frame, the upper end of the spring abuts against a limiting check ring, the limiting check ring is connected to the upper end of the threaded connecting rod, and a connecting nut is further arranged at the lower part of the threaded connecting rod.
3. The shock absorbing smoke exhaust fan of claim 2 wherein said support legs include risers with inside surfaces forming turned edges.
4. The shock absorbing smoke exhaust fan of claim 3 wherein the inner sides of said risers are connected to said fan housing by support blocks.
5. The shock-absorbing smoke exhaust fan according to claim 4, wherein the impeller comprises a central rotating cylinder, a plurality of obliquely arranged blades are uniformly arranged on the periphery of the central rotating cylinder along the circumferential direction, the blades are arc-shaped blades, and the central surface of each blade protrudes outwards from two end surfaces.
6. The shock absorbing smoke exhaust fan of claim 5 wherein the front and rear ends of the fan housing form an upturned face.
7. The shock absorbing smoke exhaust fan of claim 6 wherein one side of the motor housing is connected to a ventilation tube and the other side of the ventilation tube is connected to the fan housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633381.8U CN212296953U (en) | 2020-04-24 | 2020-04-24 | Shock attenuation smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633381.8U CN212296953U (en) | 2020-04-24 | 2020-04-24 | Shock attenuation smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296953U true CN212296953U (en) | 2021-01-05 |
Family
ID=73963139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020633381.8U Active CN212296953U (en) | 2020-04-24 | 2020-04-24 | Shock attenuation smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212296953U (en) |
-
2020
- 2020-04-24 CN CN202020633381.8U patent/CN212296953U/en active Active
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