Novel cabinet type centrifugal ventilator

By placing the motor mechanism outside the housing and the fan mechanism inside the housing, and using vibration damping transmission components and bracket components to support the bearing, the bearing vibration problem is solved, service life is extended and maintenance costs are reduced.

CN223578241UActive Publication Date: 2025-11-21GUANGDONG ZHAOQING DETON
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Patent Information

Application Number
CN202520106987.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-11-21
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The bearings of traditional HVAC fans are prone to vibration during operation, which reduces their service life and increases maintenance and replacement costs.

Method used

The motor mechanism is located outside the housing, and the fan mechanism is located inside the housing. The shaft is connected to the motor body through a vibration damping transmission component. The support assembly supports the fan body, and the bearing is located on the support assembly to prevent housing vibration from being transmitted to the bearing.

Benefits of technology

This reduces bearing damage, increases the overall service life of the machine, and lowers maintenance and replacement costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223578241U_ABST
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Abstract

The utility model relates to the technical field of ventilators, in particular to a novel cabinet type centrifugal ventilator. The novel cabinet type centrifugal fan specifically comprises a box body, a motor mechanism arranged outside the box body and a fan mechanism arranged in the box body, the motor mechanism comprises a motor body and a cushioning transmission assembly, and the motor body is connected with the cushioning transmission assembly; the fan mechanism comprises a fan body and a support assembly, the fan body is provided with a rotating shaft, the support assembly is provided with a bearing, the rotating shaft is connected with the bearing, and the rotating shaft is connected with the cushioning transmission assembly. The utility model has the advantages that the damage to the bearing is reduced, the service life of the whole machine is prolonged, and the maintenance and replacement cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fan technology field especially relates to a novel cabinet type centrifugal fan. BACKGROUND

[0002] The warm engineering fan is generally used to draw away the gas harmful to human body, discharges outdoor, reduces pollution, purifies air and has the safe safeguard function of fire prevention and explosion prevention. The fan bearing of the traditional warm engineering fan is generally arranged on the box wall, and the box part is a flexible connection structure, and the strength is not high, so that the bearing is easy to vibrate during operation, which can greatly reduce the service life of the bearing, and the damage of the bearing can further affect the service life of the whole machine, resulting in the increase of the cost of maintenance and replacement of the whole machine.

[0003] Therefore, a novel cabinet type centrifugal fan is provided to overcome the deficiencies of the prior art. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a novel cabinet type centrifugal fan, which aims at solving the problem that the bearing is easy to vibrate during operation and causes the bearing to be damaged.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A novel cabinet type centrifugal fan, comprising: a box, a motor mechanism arranged outside the box and a fan mechanism arranged in the box;

[0007] The motor mechanism comprises a motor body and a shock absorption transmission assembly, and the motor body is connected with the shock absorption transmission assembly;

[0008] The fan mechanism comprises a fan body and a support assembly, the fan body is provided with a rotating shaft, the support assembly is provided with a bearing, the rotating shaft is connected with the bearing, and the rotating shaft is connected with the shock absorption transmission assembly.

[0009] As a further improvement of the utility model technical scheme, the shock absorption transmission assembly comprises a first pulley, a second pulley and a belt, the first pulley and the second pulley are connected through the belt, the first pulley is fixedly connected with the output end of the motor body, and the rotating shaft is fixedly connected with the second pulley and extends out of the box.

[0010] As a further improvement of the utility model technical scheme, the support assembly comprises a left support and a right support, and the fan body is fixedly connected with the left support and the right support.

[0011] As a further improvement of the utility model technical scheme, the bearing comprises a left bearing and a right bearing arranged above the left support and the right support.

[0012] As a further improvement of the utility model technical scheme, the support assembly further includes a support frame, the support frame is above the right support, the motor mechanism further includes a motor frame, the support frame, the right support support the motor frame.

[0013] As a further improvement of the utility model technical scheme, the support assembly further includes a cushioning piece, the cushioning piece is below the left support, the right support, the cushioning piece is connected with the bottom of the box.

[0014] As a further improvement of the utility model technical scheme, the box includes a cover body, the cushioning transmission assembly is in the cover body.

[0015] As a further improvement of the utility model technical scheme, further include the base, the box is fixedly arranged above the base.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The novel cabinet type centrifugal ventilator provided by the utility model sets up the motor mechanism outside the box, avoids that the motor body is exposed in the gas environment, sets up the fan mechanism inside the box, the motor body is connected with the rotating shaft of the motor body through the cushioning transmission assembly, supports the fan body through the support assembly, the bearing is set up on the support assembly, prevents the vibration of the box from being transmitted to the bearing, reduces the load impact between the motor body and the fan body through the transmission of the cushioning transmission assembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in detail in combination with the drawings and specific embodiment:

[0019] Fig. 1 It is a structure schematic view of a novel cabinet type centrifugal ventilator of the utility model;

[0020] Fig. 2 It is a side view of a novel cabinet type centrifugal ventilator of the utility model.

[0021] In the drawing:

[0022] 1, the box;11, cover body;

[0023] 21, motor body;22, first pulley;23, second pulley;24, belt;25, motor frame;

[0024] 31, fan body; 311, rotating shaft; 32, left support; 33, right support; 34, left bearing; 35, right bearing; 36, support frame; 37, heightening piece;

[0025] 4, base. DETAILED DESCRIPTION

[0026] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effects of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The same reference signs used in the drawings indicate the same or similar parts.

[0027] It should be noted that, unless otherwise specified, when a certain feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right and other descriptions used in the present application are only relative to the mutual position relationship of the components of the present application in the drawings.

[0028] Referring to Figs. 1-2 A novel cabinet type centrifugal fan, comprising a box body 1, a motor mechanism and a fan mechanism.

[0029] In one embodiment, the motor mechanism is arranged outside the box body 1, and the fan mechanism is arranged inside the box body 1; the motor mechanism comprises a motor body 21 and a shock-absorbing transmission assembly, the motor body 21 is connected with the shock-absorbing transmission assembly; the fan mechanism comprises a fan body 31 and a support assembly, the fan body 31 is provided with a rotating shaft 311, the support assembly is provided with a bearing, the rotating shaft 311 is connected with the bearing, and the rotating shaft 311 is connected with the shock-absorbing transmission assembly.

[0030] The motor mechanism is arranged outside the cabinet 1, the motor body 21 is prevented from being exposed to the gas environment, the fan mechanism is arranged inside the cabinet 1, the motor body 21 is connected with the rotating shaft 311 of the fan body 31 through the shock-absorbing transmission assembly, the fan body 31 is supported through the support assembly, the bearing is arranged on the support assembly, the vibration of the cabinet 1 is prevented from being transmitted to the bearing, and the load impact between the motor body 21 and the fan body 31 is reduced through the transmission of the shock-absorbing transmission assembly. The novel cabinet type centrifugal fan has the characteristics that the damage of the bearing is reduced, the service life of the whole machine is increased, and the maintenance and replacement costs are reduced. Preferably, the motor mechanism is arranged outside the cabinet 1, so that the motor body 21 is prevented from being exposed to the gas environment during the operation of the centrifugal fan, the whole motor body 21 is prevented from being eroded by the conveying gas, the motor bearing is prevented from being eroded by the conveying gas, the service life of the motor bearing is prolonged, and the service life of the motor body 21 is prolonged.

[0031] In one embodiment, the shock-absorbing transmission assembly comprises a first pulley 22, a second pulley 23 and a belt 24, the first pulley 22 and the second pulley 23 are connected through the belt 24, the first pulley 22 is fixedly connected with the output end of the motor body 21, and the rotating shaft 311 is fixedly connected with the second pulley 23 and extends out of the cabinet 1. By adopting the pulley transmission mode, the connection between the motor body 21 and the fan body 31 can be solved, the load impact can be effectively alleviated, the pulley transmission is beneficial to stable operation, low noise and low vibration of the whole device, and the pulley transmission has the advantages of simple structure, low cost, convenient adjustment and maintenance. Preferably, the belt 24 is a triangular belt 24.

[0032] In one embodiment, the support assembly comprises a left support 32 and a right support 33, and the fan body 31 is fixedly connected with the left support 32 and the right support 33. The right support 33 is designed in a boss type, the right bearing 35 is arranged on the boss of the right support 33, the right fulcrum is arranged close to the main shaft transmission end, the tensile strength of the rotating shaft 311 is effectively improved, the operation vibration is reduced, and the service life of the rotating shaft 311 and the bearing is improved. The bearing comprises a left bearing 34 and a right bearing 35 arranged above the left support 32 and the right support 33, and the bearing is horizontally adjustable in connection with the support, the coaxiality of the two bearings is conveniently adjusted, the bearing is ensured to operate in the best state, and the service life of the bearing is improved.

[0033] In one embodiment, the support assembly further comprises a support frame 36 located above the right support frame 33, and the motor mechanism further comprises a motor frame 25, the support frame 36 and the right support frame 33 support the motor frame 25, and provide vertical support force for the motor body 21, increase the rigidity of the whole machine, and make the fan body 31 run more stably. The motor frame 25 is arranged outside the box body 1, one end of the motor frame 25 is fixedly connected with the top of the box body 1, and the other end is fixedly connected with the motor body 21. Moreover, the support frame 36 and the right support frame 33 are designed in an up-down adjusting connection mode, the space adaptability of the support frame 36 is increased, and the support frame 36 is very convenient to disassemble and assemble.

[0034] In one embodiment, the support assembly further comprises a support frame 36 located above the right support frame 33, and the motor mechanism further comprises a motor frame 25, the support frame 36 and the right support frame 33 support the motor frame 25, and provide vertical support force for the motor body 21, increase the rigidity of the whole machine, and make the fan body 31 run more stably. The motor frame 25 is arranged outside the box body 1, one end of the motor frame 25 is fixedly connected with the top of the box body 1, and the other end is fixedly connected with the motor body 21. Moreover, the support frame 36 and the right support frame 33 are designed in an up-down adjusting connection mode, the space adaptability of the support frame 36 is increased, and the support frame 36 is very convenient to disassemble and assemble.

[0035] In one embodiment, the box body 1 comprises a cover body 11, and the shock transmission assembly is located in the cover body 11. The cover body 11 is a belt 24 cover, the belt 24 cover seals the belt pulley and the V-belt 24, and is favorable for preventing gas from corroding the first belt pulley 22, the second belt pulley 23 and the V-belt 24. The belt 24 cover is directly fixed and installed on the outside of the box body 1 through screws or bolts, is convenient to disassemble and assemble, and is also convenient to overhaul and maintain the first belt pulley 22, the second belt pulley 23 or the V-belt 24, and is simple and convenient to operate.

[0036] In one embodiment, the ventilator further comprises a base, and the box body is fixed above the base.

[0037] Other contents of the novel cabinet type centrifugal ventilator are known from the prior art, and will not be described here.

[0038] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, so any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, as long as it does not deviate from the technical scheme of the utility model, still belongs to the range of the technical scheme of the utility model.

[0039] In addition, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0040] In the utility model, unless another definite provision and limitation, the term " install " " link " " connect " " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's interaction relation, unless another definite limitation. For ordinary skilled person in the art, can understand the specific meaning of above -mentioned term in the utility model according to specific circumstances.

Claims

1. A novel cabinet-type centrifugal fan, characterized in that, include: The enclosure, the motor mechanism disposed outside the enclosure, and the fan mechanism disposed inside the enclosure; The motor mechanism includes a motor body and a shock-absorbing transmission assembly, wherein the motor body is connected to the shock-absorbing transmission assembly; The fan mechanism includes a fan body and a support assembly. The fan body is provided with a rotating shaft, and the support assembly is provided with a bearing. The rotating shaft is connected to the bearing and the rotating shaft is connected to the shock-absorbing transmission assembly. The support assembly includes a left support and a right support, and the fan body is fixedly connected to the left support and the right support; The bracket assembly further includes a support frame located above the right bracket, and the motor mechanism further includes a motor frame, with the support frame and the right bracket supporting the motor frame; The support assembly also includes a shim, which is located below the left and right supports and is connected to the bottom of the housing.

2. The novel cabinet-type centrifugal fan according to claim 1, characterized in that, The vibration damping transmission assembly includes a first pulley, a second pulley, and a belt. The first pulley and the second pulley are connected by the belt. The first pulley is fixedly connected to the output end of the motor body. The rotating shaft extends out of the housing and is fixedly connected to the second pulley.

3. A novel cabinet-type centrifugal fan according to claim 1, characterized in that, The bearings include a left bearing and a right bearing disposed above the left bracket and the right bracket.

4. A novel cabinet-type centrifugal fan according to claim 1, characterized in that, The enclosure includes a cover, and the shock-absorbing transmission assembly is located inside the cover.

5. A novel cabinet-type centrifugal fan according to claim 1, characterized in that, It also includes a base, and the housing is fixed above the base.