CN205154698U - External axial -flow blower of motor - Google Patents
External axial -flow blower of motor Download PDFInfo
- Publication number
- CN205154698U CN205154698U CN201520965948.0U CN201520965948U CN205154698U CN 205154698 U CN205154698 U CN 205154698U CN 201520965948 U CN201520965948 U CN 201520965948U CN 205154698 U CN205154698 U CN 205154698U
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- motor
- housing
- shaft
- running shaft
- propeller fan
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Abstract
The utility model provides an external axial -flow blower of motor belongs to fan technical field. It has solved the lower technical problem of waiting of current fan efficiency. This axial -flow blower includes motor and the casing that is the tube -shape, and the motor sets firmly on the lateral surface of casing, is equipped with the flabellum subassembly in the casing, and the flabellum subassembly includes the rotation axis and links firmly at rotatory epaxial a plurality of blade, blade along the even interval distribution of circumference of rotation axis, the utility model discloses the output shaft of well motor and rotation axis are connected through drive mechanism and the motor can drive the flabellum subassembly and rotates. The motor setting externally, and drive mechanism's volume obviously is less than the volume of motor, and is gaseous from the casing in among the distribution process, has avoided the hindrance of motor, has guaranteed effective cross -sectional area of circulation of air passageway, has improved the volume and the speed of circulation of air in the unit interval to ventilation efficiency has been improved.
Description
Technical field
The utility model belongs to Fan Equipment technical field, relates to a kind of propeller fan, particularly a kind of external motor type propeller fan.
Background technique
Propeller fan purposes widely, gas is parallel to fan shaft flowing, axial fan is used in the occasion that traffic requirement is higher and pressure requirements is lower usually, propeller fan is primarily of draught fan impeller and casing composition, structure is simple but data demand is higher, plain edition propeller fan can be used for general factory, warehouse, office, the ventilation in the places such as premises, also can be used for air cooler, vaporizer, condenser, spray drop, etc., also Coal Mine Axial Flow Fan is had, the usual enforcing location of existing axial fan is changeless, usually the gas requiring propeller fan to carry should without remarkable dust, inviscid and fibrous matter, motor direct linkage type temperature is no more than 40 DEG C, and belt transmission type temperature is no more than 60 DEG C, and the Dust Capacity of conveying gas must not more than 150mg/m
3.
China's patent (notification number: CN204755353U; Publication date: 2015-11-11) disclose a kind of fire-fighting axial fan with high temperature, comprise motor, Blower Housing and impeller, motor base is fixed with in Blower Housing, the end face of motor base is fixed with ring protection cover, motor is in ring protection cover, motor is fixed on the end face of motor base, and the outer wall of ring protection cover is fixed with multiple dunnage, and the other end of dunnage is weldingly fixed on the madial wall of Blower Housing; The main shaft of motor stretches out the front-end face of ring protection cover; The front end of Blower Housing is inserted with protective housing connecting ring; its motor is in ring protection cover; to reduce some dirts of motor outside attachment; reduce dirt to the impact of motor heat dissipation; improve motor working life, meanwhile, it is not enclosed construction; make good heat dissipation effect, and its protective housing is fixed by spacing ball headpin plug.
In propeller fan disclosed in above-mentioned patent, the main shaft of motor is identical with the axial direction of flabellum assembly, motor is positioned on the central axis of flabellum assembly, and all there is in powerful motor a large amount of coil winding, cause the volume of motor larger, motor inevitably occupies the circulation passage space of air-flow in flabellum assembly, affects the ventilation effect of ventilator.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of external motor type propeller fan, technical problem to be solved in the utility model is: the ventilation effect how improving propeller fan.
The utility model object realizes by following technical proposal:
A kind of external motor type propeller fan, described propeller fan comprises motor and tubular housing, it is characterized in that, described motor is installed on the outer side surface of described housing, flabellum assembly is provided with in described housing, described flabellum assembly comprises running shaft and several blades of being connected on the rotary shaft, and described blade is along the circumferential uniform intervals distribution of running shaft, and the output shaft of described motor and described running shaft are connected by driving mechanism and described motor can drive described flabellum assembly to rotate.
Its principle is as follows: the technical program Axial-Flow ventilator is used for ventilation smoke exhaust, motor is arranged on the outer side surface of housing, motor drives the flabellum assembly in housing to rotate by driving mechanism, thus make airflow, in propeller fan, gas is parallel to fan shaft flowing, because motor is arranged on outside, and the volume of driving mechanism is significantly less than the volume of motor, gas is from the process of circulation in housing, avoid the obstruction of motor, ensure that the water cross section of air communication channel is amassed, improve volume and the speed of unit time inner air flow, thus improve drafting efficiency.
In above-mentioned external motor type propeller fan, described motor is screwed onto the outer side surface of described housing by bolt and the output shaft of described motor and described running shaft are parallel to each other, described driving mechanism comprises the belt pulley two being installed in described motor output shaft upper belt pulley one and being installed on described running shaft, and described belt pulley one is oppositely arranged with belt pulley two and described belt pulley one is connected by v belt with belt pulley two.Motor is rotated by v belt driven rotary axle thus drives blade rotary to ventilate, and then carry out vented exhaust, belt extend in housing and is connected with running shaft, due to the small volume of belt, small volume is taken to air communication channel, further improves the drafting efficiency of this propeller fan.
In above-mentioned external motor type propeller fan, described housing offers through hole, described v belt is through described through hole.
In above-mentioned external motor type propeller fan, alternatively, described motor is screwed onto the outer side surface of described housing by bolt and the output shaft of described motor is mutually vertical with described running shaft, described driving mechanism comprises the transmission shaft be installed on described motor output shaft, described transmission shaft extends to described running shaft place through described housing, the end of described transmission shaft is installed with helical gear one, described running shaft is installed with helical gear two, and described helical gear one is meshed with helical gear two.Realized the transmission of motor power in the technical program by the cooperation of transmission shaft and helical gear one and helical gear two, reliable and stable, blade rotational speed is stablized, and the volume of transmission shaft is little, occupies little space, and ensures the efficient circulation of air-flow.
In above-mentioned external motor type propeller fan, described hull outside face is installed with installs flat board, and described motor is installed on described installation flat board, and the two ends of described housing all have flange outwardly.
Compared with prior art, in the utility model, motor is arranged on outside, and the volume of driving mechanism is significantly less than the volume of motor, gas is from the process of circulation in housing, avoid the obstruction of motor, ensure that the water cross section of air communication channel is amassed, improve volume and the speed of unit time inner air flow, thus improve drafting efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view one of this propeller fan in embodiment one.
Fig. 2 is the perspective view two of this propeller fan in embodiment one.
Fig. 3 is the perspective view of this propeller fan in embodiment two.
In figure, 1, motor; 2, housing; 21, through hole; 22, flange; 3, flabellum assembly; 31, running shaft; 32, blade; 4, driving mechanism; 41, belt pulley one; 42, belt pulley one; 43, v belt; 44, transmission shaft; 45, helical gear one; 46, helical gear two; 5, bolt; 6, flat board is installed.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, the present embodiment Axial-Flow ventilator is used for ventilation smoke exhaust, this motor 1 external propeller fan comprises motor 1 and tubular housing 2, motor 1 is installed on the outer side surface of housing 2, flabellum assembly 3 is provided with in housing 2, several blades 32 that flabellum assembly 3 comprises running shaft 31 and is connected on running shaft 31, blade 32 is along the circumferential uniform intervals distribution of running shaft 31, and the output shaft of motor 1 and running shaft 31 are connected by driving mechanism 4 and motor 1 can drive flabellum assembly 3 to rotate.
Motor 1 is arranged on the outer side surface of housing 2, motor 1 drives the flabellum assembly 3 in housing 2 to rotate by driving mechanism 4, thus make airflow, in propeller fan, gas is parallel to fan shaft flowing, because motor 1 is arranged on outside, and the volume of driving mechanism 4 is significantly less than the volume of motor 1, gas is from the process of circulation in housing 2, avoid the obstruction of motor 1, ensure that the water cross section of air communication channel is amassed, improve volume and the speed of unit time inner air flow, thus improve drafting efficiency.
As shown in Figure 2, motor 1 is screwed onto the outer side surface of housing 2 by bolt 5 and the output shaft of motor 1 and running shaft 31 are parallel to each other, driving mechanism 4 comprises the belt pulley 2 42 being installed in motor 1 output shaft upper belt pulley 1 and being installed on running shaft 31, belt pulley 1 is oppositely arranged with belt pulley 2 42 and belt pulley 1 is connected by v belt 43 with belt pulley 2 42, housing 2 offers through hole 21, v belt 43 is through through hole 21; Housing 2 outer side surface is installed with installs dull and stereotyped 6, and motor 1 is installed in be installed on dull and stereotyped 6, and the two ends of housing 2 all have flange 22 outwardly.Motor 1 is rotated by v belt 43 driven rotary axle 31 thus is with moving vane 32 to rotate and ventilates, and then carry out vented exhaust, belt extend in housing 2 and is connected with running shaft 31, due to the small volume of belt, small volume is taken to air communication channel, further improves the drafting efficiency of this propeller fan.
Embodiment two
As shown in Figure 3, the present embodiment is roughly the same with embodiment one, difference is, in the present embodiment, motor 1 is screwed onto the outer side surface of housing 2 by bolt 5 and the output shaft of motor 1 and running shaft 31 are mutually vertical, driving mechanism 4 comprises the transmission shaft 44 be installed on motor 1 output shaft, and transmission shaft 44 extends to running shaft 31 place through housing 2, and the end of transmission shaft 44 is installed with helical gear 1, running shaft 31 is installed with helical gear 2 46, helical gear 1 is meshed with helical gear 2 46.Realized the transmission of motor 1 power by the cooperation of transmission shaft 44 and helical gear 1 and helical gear 2 46 in the technical program, reliable and stable, blade 32 stabilization of speed, and also the volume of transmission shaft 44 is little, occupies little space, and ensures the efficient circulation of air-flow.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, motor; 2, housing; 21, through hole; 22, flange; 3, flabellum assembly; 31, running shaft; 32, blade; 4, driving mechanism; 41, belt pulley one; 42, belt pulley one; 43, v belt; 44, transmission shaft; 45, helical gear one; 46, helical gear two; 5, bolt; 6, the terms such as dull and stereotyped are installed, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. an external motor type propeller fan, described propeller fan comprises motor (1) and tubular housing (2), it is characterized in that, described motor (1) is installed on the outer side surface of described housing (2), flabellum assembly (3) is provided with in described housing (2), described flabellum assembly (3) comprises running shaft (31) and is connected in several blades (32) on running shaft (31), described blade (32) is along the circumferential uniform intervals distribution of running shaft (31), the output shaft of described motor (1) and described running shaft (31) are connected by driving mechanism (4) and described motor (1) can drive described flabellum assembly (3) to rotate.
2. external motor type propeller fan according to claim 1, it is characterized in that, described motor (1) is screwed onto the outer side surface of described housing (2) by bolt (5) and the output shaft of described motor (1) and described running shaft (31) are parallel to each other, described driving mechanism (4) comprises the belt pulley two (42) being installed in described motor (1) output shaft upper belt pulley one (41) and being installed on described running shaft (31), described belt pulley one (41) is oppositely arranged with belt pulley two (42) and described belt pulley one (41) is connected by v belt (43) with belt pulley two (42).
3. external motor type propeller fan according to claim 2, is characterized in that, described housing (2) offers through hole (21), and described v belt (43) is through described through hole (21).
4. external motor type propeller fan according to claim 1, it is characterized in that, described motor (1) is screwed onto the outer side surface of described housing (2) by bolt (5) and the output shaft of described motor (1) is mutually vertical with described running shaft (31), described driving mechanism (4) comprises the transmission shaft (44) be installed on described motor (1) output shaft, described transmission shaft (44) extends to described running shaft (31) place through described housing (2), the end of described transmission shaft (44) is installed with helical gear one (45), described running shaft (31) is installed with helical gear two (46), described helical gear one (45) is meshed with helical gear two (46).
5. the external motor type propeller fan according to claim 1 or 2 or 3 or 4, it is characterized in that, described housing (2) outer side surface is installed with to be installed dull and stereotyped (6), described motor (1) is installed in described installation dull and stereotyped (6), and the two ends of described housing (2) all have flange (22) outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965948.0U CN205154698U (en) | 2015-11-27 | 2015-11-27 | External axial -flow blower of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965948.0U CN205154698U (en) | 2015-11-27 | 2015-11-27 | External axial -flow blower of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154698U true CN205154698U (en) | 2016-04-13 |
Family
ID=55690400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965948.0U Expired - Fee Related CN205154698U (en) | 2015-11-27 | 2015-11-27 | External axial -flow blower of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154698U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687431A (en) * | 2017-08-21 | 2018-02-13 | 南京信息职业技术学院 | A kind of classroom active open-type ventilation unit |
| CN110207209A (en) * | 2018-08-31 | 2019-09-06 | 华帝股份有限公司 | Bellows structure, range hood using same and kitchen range |
| CN110207206A (en) * | 2018-08-08 | 2019-09-06 | 华帝股份有限公司 | Air inlet mechanism of range hood and range hood |
| CN115711237A (en) * | 2022-12-03 | 2023-02-24 | 山东金信空调集团股份有限公司 | Energy-saving axial flow fan for spinning |
| CN116816702A (en) * | 2023-07-11 | 2023-09-29 | 德州隆达空调设备集团有限公司 | Smoke exhaust fan capable of preventing return air |
-
2015
- 2015-11-27 CN CN201520965948.0U patent/CN205154698U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687431A (en) * | 2017-08-21 | 2018-02-13 | 南京信息职业技术学院 | A kind of classroom active open-type ventilation unit |
| CN110207206A (en) * | 2018-08-08 | 2019-09-06 | 华帝股份有限公司 | Air inlet mechanism of range hood and range hood |
| CN110207209A (en) * | 2018-08-31 | 2019-09-06 | 华帝股份有限公司 | Bellows structure, range hood using same and kitchen range |
| CN115711237A (en) * | 2022-12-03 | 2023-02-24 | 山东金信空调集团股份有限公司 | Energy-saving axial flow fan for spinning |
| CN116816702A (en) * | 2023-07-11 | 2023-09-29 | 德州隆达空调设备集团有限公司 | Smoke exhaust fan capable of preventing return air |
| CN116816702B (en) * | 2023-07-11 | 2024-01-09 | 德州隆达空调设备集团有限公司 | Smoke exhaust fan capable of preventing return air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wenling City, Taizhou City, Zhejiang Province town of 317500 pump agglomeration point of two Patentee after: Three billion electrical Limited by Share Ltd Address before: Wenling City, Taizhou City, Zhejiang Province town of 317500 pump agglomeration point of two Patentee before: Sayi Electric Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181127 |