CN217271028U

CN217271028U - Exhaust fan cooling device of sterilization drying equipment

Info

Publication number: CN217271028U
Application number: CN202220992746.5U
Authority: CN
Inventors: 胡国清; 周绍辉; 杜笑鹏
Original assignee: HUNAN ZHENGZHONG PHARMACEUTICAL MACHINERY CO Ltd
Current assignee: HUNAN ZHENGZHONG PHARMACEUTICAL MACHINERY CO Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-23
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a sterilization drying equipment's air exhauster heat sink, which comprises an outer wall, the inboard of outer wall is provided with the inner wall, be formed with the cavity between inner wall and the outer wall, the inboard of inner wall is rotated and is installed the rotation axis, the bottom of rotation axis is provided with from the driving wheel, the top of rotation axis is provided with the fan wheel, one side of fan wheel is provided with the motor, the output of motor is provided with the action wheel, action wheel and all the cover of outside surface from the driving wheel are equipped with the belt. This sterilization drying equipment's air exhauster heat sink carries out daily use in-process, through transversely arranging the slot hole that sets up on the fan mounting panel, accessible bolt carries out the plug with the slot hole and adjusts the different positions of change, realizes adjusting the distance between motor and the fan wheel in real time for the flexibility that the device used is better, and accessible forced air cooling and water-cooling cooperation realize the cooling and avoid the motor to take place to damage.

Description

Exhaust fan cooling device of sterilization drying equipment

Technical Field

The utility model relates to an air exhauster cooling technical field specifically is a sterilization drying equipment's air exhauster heat sink.

Background

The exhaust fan is divided into four types of high, medium, low and negative pressure from the ventilation principle, the negative pressure fan series products are commonly designed by CAD/CAM, and the exhaust fan has the characteristics of low noise, low power consumption, large air quantity, stable operation, long service life and high efficiency, and has an automatic shutter opening and closing system, thereby achieving the characteristics of water resistance, dust resistance and attractive appearance.

At present, a traditional exhaust fan is a centrifugal fan and is directly connected with a motor through a fan impeller, so that hot air entering from a volute air inlet directly transfers heat to the motor, and the motor is easy to damage and break down due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sterilization drying equipment's air exhauster heat sink to solve present traditional air exhauster that proposes in the above-mentioned background art and be centrifugal fan, directly be connected with the motor through the fan impeller, lead to directly passing the heat to the motor from the hot-blast of spiral case air intake entering, make the motor damage the problem of trouble very easily because of the high temperature.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sterilization drying equipment's air exhauster heat sink, includes the outer wall, the inboard of outer wall is provided with the inner wall, be formed with the cavity between inner wall and the outer wall, the inboard of inner wall is rotated and is installed the rotation axis, the bottom of rotation axis is provided with from the driving wheel, the top of rotation axis is provided with fan wheel, one side of fan wheel is provided with the motor, the output of motor is provided with the action wheel, the action wheel all overlaps with the outside surface from the driving wheel and is equipped with the belt.

Preferably, a motor mounting plate is fixedly mounted on one side of the motor through screws, and a fan mounting plate is arranged at the top of the motor mounting plate.

Preferably, the motor mounting plate and the fan mounting plate are connected through screws, and long holes are transversely arranged on the surface of the fan mounting plate.

Preferably, the inner side surface of the inner wall is provided with a bearing, and an inner ring of the bearing is fixedly connected with the rotating shaft.

Preferably, a volute is arranged on the outer side of the wind impeller and is in through connection with the outer wall through a screw.

Preferably, the top of the volute is provided with an air inlet, one side of the volute is provided with an air outlet, and the surfaces of the two sides of the outer wall are respectively provided with a water inlet pipe and a water outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this sterilization drying equipment's air exhauster heat sink, in the in-process of carrying out daily use, after the impeller gyration through in the spiral case, the hot-blast air intake from the spiral case of 300 ℃ high temperature in the desiccator gets into, see off from the air outlet along the spiral case edge, there is inner wall and outer wall to constitute a cavity through the rotation axis outside, cooling water gets into the cavity left side from the inlet tube, flow from the outlet pipe on cavity right side after the round through the cavity, the cooling water of the vast majority of the heat that the hot-blast heat that gets into from the spiral case air intake passed to the rotation axis is taken away through the cavity, when the heat that the rotation axis passed to from the driving wheel arrives the action wheel again and passes to the motor, reduce gradually through long distance space cooling again, make the motor just can not damage because of the high temperature.

This sterilization drying equipment's air exhauster heat sink carries out daily use in-process, through transversely arranging the slot hole that sets up on the fan mounting panel, accessible bolt and slot hole carry out the plug and adjust the different positions of change, realize adjusting the distance between motor and the fan wheel in real time for the flexibility that the device used is better.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of a part of the fan mounting plate of the present invention.

In the figure: 1. a motor; 2. a driving wheel; 3. a motor mounting plate; 4. a belt; 5. a screw; 6. a fan mounting plate; 7. a water inlet pipe; 8. a driven wheel; 9. a rotating shaft; 10. a bearing; 11. an inner wall; 12. an outer wall; 13. a water outlet pipe; 14. a cavity; 15. a wind impeller; 16. a volute; 17. an air inlet; 18. an air outlet; 19. and a long hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cooling device of an exhaust fan of a sterilization drying device comprises an outer wall 12, an inner wall 11 is arranged on the inner side of the outer wall 12, a cavity 14 is formed between the inner wall 11 and the outer wall 12, cooling water can be injected into the cavity 14 for internal circulation to realize rapid cooling of the inside, a rotating shaft 9 is rotatably arranged on the inner side of the inner wall 11, a driven wheel 8 is arranged at the bottom end of the rotating shaft 9, a wind impeller 15 is arranged at the top end of the rotating shaft 9, a motor 1 is arranged on one side of the wind impeller 15, a driving wheel 2 is arranged at the output end of the motor 1, belts 4 are sleeved on the outer side surfaces of the driving wheel 2 and the driven wheel 8, the effect that one power mechanism drives a plurality of devices to rotate can be realized through transmission connection, the overall cost of use is greatly reduced, a motor mounting plate 3 is fixedly arranged on one side of the motor 1 through screws 5, and a fan mounting plate 6 is arranged at the top of the motor mounting plate 3, can carry out real-time spacing connection to motor 1 and fan are whole, the effectual stability that has increased motor 1 and fan and wholly use.

The motor mounting plate 3 is connected with the fan mounting plate 6 through a screw 5, long holes 19 are transversely arranged on the surface of the fan mounting plate 6, a bearing 10 is arranged on the inner side surface of the inner wall 11, the inner ring of the bearing 10 is fixedly connected with the rotating shaft 9, the rotating shaft 9 can rotate, the phenomenon of blocking caused by friction force generated between the rotating shaft and the inner wall 11 is avoided, a volute 16 is arranged on the outer side of the fan impeller 15, the volute 16 is connected with the outer wall 12 through the screw 5 in a penetrating manner, the fan impeller 15 can be protected, meanwhile, the fan impeller 15 is prevented from being directly exposed outside to hurt workers, an air inlet 17 is formed in the top of the volute 16, an air outlet 18 is formed in one side of the volute 16, real-time conveying and flowing of internal and external gas can be realized, a water inlet pipe 7 and a water outlet pipe 13 are respectively arranged on the surfaces of two sides of the outer wall 12, and guiding-out circulating flow of cooling water can be realized, thereby realizing the transportation and cooling of the high temperature generated inside.

The working principle is as follows: when the exhaust fan needs to operate to exhaust air, firstly, the driving wheel 2 can be driven to rotate by the rotation of the starting motor 1, the driven wheel 8 is driven to rotate by the driving wheel 2 through the belt 4, the driven wheel 8 drives the wind impeller 15 to rotate through the rotating shaft 9, when the wind impeller 15 in the volute 16 rotates, hot air with high temperature of 300 ℃ in the dryer enters from the wind inlet 17 of the volute 16 and is sent out from the wind outlet 18 along the edge of the volute 16, the inner wall 11 and the outer wall 12 outside the rotating shaft 9 form a cavity 14, cooling water enters the left side of the cavity 14 from the water inlet pipe 7 and flows out from the water outlet pipe 13 on the right side of the cavity 14 after being wound by a circle through the cavity 14, most of heat of the hot air entering from the wind inlet 17 of the volute 16 and transmitted to the rotating shaft 9 is taken away by the cooling water in the cavity 14, and when the heat of the rotating shaft 9 transmitted to the driven wheel 8 is transmitted to the driving wheel 2 through the belt 4 and then transmitted to the motor 1, little cooling is done over a long distance, and the motor 1 is not damaged by excessive temperatures.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sterilization drying equipment's air exhauster heat sink, includes outer wall (12), its characterized in that: the inboard of outer wall (12) is provided with inner wall (11), be formed with cavity (14) between inner wall (11) and outer wall (12), the inboard of inner wall (11) is rotated and is installed rotation axis (9), the bottom of rotation axis (9) is provided with from driving wheel (8), the top of rotation axis (9) is provided with wind impeller (15), one side of wind impeller (15) is provided with motor (1), the output of motor (1) is provided with action wheel (2), action wheel (2) and the outside surface from driving wheel (8) all overlap and are equipped with belt (4).

2. The exhaust fan cooling device of the sterilization drying equipment according to claim 1, characterized in that: one side of the motor (1) is fixedly provided with a motor mounting plate (3) through a screw (5), and the top of the motor mounting plate (3) is provided with a fan mounting plate (6).

3. The exhaust fan cooling device of the sterilization drying equipment according to claim 2, characterized in that: the motor mounting plate (3) is connected with the fan mounting plate (6) through screws (5), and long holes (19) are transversely arranged on the surface of the fan mounting plate (6).

4. The exhaust fan cooling device of the sterilization drying equipment according to claim 1, characterized in that: and a bearing (10) is arranged on the inner side surface of the inner wall (11), and the inner ring of the bearing (10) is fixedly connected with the rotating shaft (9).

5. The exhaust fan cooling device of the sterilization drying equipment according to claim 1, characterized in that: the outer side of the wind impeller (15) is provided with a volute (16), and the volute (16) is in through connection with the outer wall (12) through a screw (5).

6. The exhaust fan cooling device of the sterilization drying equipment according to claim 5, characterized in that: an air inlet (17) is formed in the top of the volute (16), an air outlet (18) is formed in one side of the volute (16), and a water inlet pipe (7) and a water outlet pipe (13) are respectively formed in the surfaces of the two sides of the outer wall (12).