CN103742430A - Motor assembly for centrifugal fan - Google Patents

Motor assembly for centrifugal fan Download PDF

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Publication number
CN103742430A
CN103742430A CN201310703621.1A CN201310703621A CN103742430A CN 103742430 A CN103742430 A CN 103742430A CN 201310703621 A CN201310703621 A CN 201310703621A CN 103742430 A CN103742430 A CN 103742430A
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China
Prior art keywords
axle sleeve
impression
hole
electric machine
centrifugal blower
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CN201310703621.1A
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CN103742430B (en
Inventor
寿国理
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Zhejiang shield rail traffic equipment Co., Ltd.
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SHUANGSHUANG REFRIGERATING APPARATUS Co Ltd
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Publication of CN103742430A publication Critical patent/CN103742430A/en
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Abstract

The invention discloses a motor assembly for a centrifugal fan. The motor assembly comprises a motor, a waterproof shaft sleeve, a hub assembly and stamped blades, wherein an end cover and an output shaft are arranged on the motor, the end cover penetrates through the output shaft and covers the front end of the motor, a sealing sleeve is arranged at the tail end of the output shaft, the waterproof shaft sleeve is installed on the output shaft and comprises an installing shaft sleeve and a waterproof disc, the waterproof disc covers the sealing sleeve, the hub assembly is installed on the waterproof shaft sleeve and comprises a hub and a riveting shaft sleeve, a plurality of installing plates are arranged on the hub, and the stamped blades are installed on the installing plates. According to the motor assembly, water and dust can be prevented from entering the motor, the assembly structure is simple and firm, the overall mass of the fan is reduced, working energy consumption is lowered, the blades and the hub can be firmly installed, looseness can be prevented from occurring between the blades and the hub, the fluid mechanics performance of the blades is improved through stamping structures on the blades, and air can be effectively guided in a centralized mode.

Description

A kind of centrifugal blower electric machine assembly
[technical field]
The present invention relates to the technical field of centrifugal blower with zero parts, particularly the technical field of electric machine assembly for centrifugal blower.
[background technique]
Blower fan has two kinds of axial flow and radial-flow types, is to divide with the flow direction of blower fan work space-time gas.Blower fan transfers out hot air with the rotation of moving vane by motor from equipment, due to the cooling rear easy generation of the hot air phenomenon of condensing, easily there is water smoke phenomenon in motor joint, traditional motor shaft sleeve has only played connection function, there is no functions of waterproof and dustproof, water and dust easily enter motor, gently make motor output shaft get rusty, seriously can cause motor short circuit, cannot normally work.
Blower fan connects coupling shaft and axial fan hub by axle sleeve, thereby with the rotation of moving vane, hot air is transferred out from equipment.Traditional axle sleeve is by the annular mounting plate that arranges on axle sleeve, and by nut assembly, axle sleeve and wheel hub fastening installed, and assembling is comparatively complicated, and the oeverall quality of blower fan is heavier, and blower fan work energy consumption is higher.
It between traditional blade and wheel hub, is parallel riveted joint, mounting hole negligible amounts on blade, between blade and wheel hub, easily produce loosening, high speed rotating even easily causes leaf abscission for a long time, in traditional blades, there is no stamping structure simultaneously, the hydrodynamic performance of blade is poor, can not effectively concentrate water conservancy diversion to air quantity.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of centrifugal blower electric machine assembly is proposed, can anti-sealing and dust enter in motor, reliability while having guaranteed equipment work, extended the working life of equipment, axle sleeve adopts mode and the wheel hub installation that is fastened of riveted joint, package assembly is simple, firmly, other mounting structures needn't be set on axle sleeve, reduced the oeverall quality of blower fan, reduced work energy consumption, blade can and wheel hub between firmly install, prevent from producing between blade and wheel hub loosening, and the stamping structure on blade improves the hydrodynamic performance of blade, can effectively concentrate water conservancy diversion to air quantity.
For achieving the above object, the present invention proposes a kind of centrifugal blower electric machine assembly, comprise motor, waterproof axle sleeve, hub unit and impression blade, described motor be provided with end cap and output shaft, described end cap is located at motor front end through output shaft-cup, described output shaft end is provided with stuffing box gland, described waterproof axle sleeve is installed on output shaft, waterproof axle sleeve comprises installs axle sleeve and water-proof plate, described waterproof disk cover is located on stuffing box gland, described hub unit is installed on waterproof axle sleeve, described hub unit comprises wheel hub and riveted joint axle sleeve, described wheel hub is provided with some mounting plates, described impression blades installation is on mounting plate.
As preferably, described output shaft is provided with block-like protrusions structure, and described installation axle sleeve center has through hole through-hole wall and have the thickness of block-like protrusions structure described in groove structure and equal the degree of depth of groove structure.
As preferably, described water-proof plate is positioned at the below that axle sleeve is installed, and the bottom of water-proof plate is hollow structure, and the through hole of described installation axle sleeve is connected with water-proof plate center.
As preferably, described installation shaft puts and is provided with annular mounting plate, and described annular mounting plate is structure as a whole with axle sleeve is installed, and has some the first mounting holes on annular mounting plate.
As preferably, described riveted joint axle sleeve is installed on the center of wheel hub, and described wheel hub adopts riveted joint axle sleeve to be connected with waterproof axle sleeve, one side of riveted joint axle sleeve has tapped hole, fastening screw rasp bar is installed in described tapped hole, is provided with installation axle hole in axle sleeve, described tapped hole is connected with installation axle hole.
As preferably, the quantity of described mounting plate is 4, has several the second mounting holes on every mounting plate.
As preferably, the end of described riveted joint axle sleeve is provided with flange riveted structure, and flange riveted structure is structure as a whole with riveted joint axle sleeve, and riveted joint axle sleeve adopts flange riveted structure and wheel hub fastening installation.
As preferably, described impression blade is provided with the first impression, the front end of the first impression flushes with the front end of impression blade, in described the first impression, be provided with the second impression and the 3rd impression, the second impression is positioned at the rear of the 3rd impression, and the front of described the 3rd impression is provided with some rows three mounting hole corresponding with the second mounting hole.
As preferably, the degree of depth of described the first impression, the second impression and the 3rd impression is 1.5~2.5mm, and described second is embossed to arc impression, and the 3rd is embossed to arrow shaped impression.
As preferably, described the 3rd mounting hole is arranged in parallel into three rows, and first row is provided with three the 3rd mounting holes, and second row is provided with two the 3rd mounting holes, and the 3rd row is provided with three the 3rd mounting holes.
Beneficial effect of the present invention: the present invention is by sheathed stuffing box gland on the output shaft of motor, and waterproof axle sleeve is installed on stuffing box gland, can anti-sealing and dust enter in motor, reliability while having guaranteed equipment work, extended the working life of equipment, the corresponding installation of groove structure that output shaft adopts block-like protrusions structure to put with installation shaft, making between the two can close installation, prevents to become flexible phenomenon; By flange riveted structure being set at the end of riveted joint axle sleeve, adopt flange riveted structure will rivet axle sleeve and wheel hub close installation, without on axle sleeve, all the other mounting structures being set again, package assembly is simple, firm, reduce the oeverall quality of blower fan, reduced work energy consumption; By install three on impression blade, ranked third mounting hole, make to impress between blade and wheel hub and firmly install, prevent from impressing between blade and wheel hub and produce and become flexible, and the stamping structure on impression blade improves the hydrodynamic performance that impresses blade, can effectively concentrate water conservancy diversion to air quantity, impress the arrow shaped impression that blade is provided with reminding turning, not only convenient installation, simultaneously beautiful shape simultaneously.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main TV structure schematic diagram of a kind of centrifugal blower of the present invention electric machine assembly;
Fig. 2 is the main TV structure schematic diagram of motor and waterproof axle sleeve in the present invention;
Fig. 3 is the main TV structure schematic diagram of motor and output shaft in the present invention;
Fig. 4 is the main pseudosection of waterproof axle sleeve in the present invention;
Fig. 5 is the main TV structure schematic diagram of hub unit in the present invention;
Fig. 6 is the plan structure schematic diagram that impresses blade in the present invention;
Fig. 7 is the left TV structure schematic diagram that impresses blade in the present invention.
In figure: 1-motor, 2-waterproof axle sleeve, 3-output shaft, 11-end cap, 12-stuffing box gland, 21-installs axle sleeve, 22-water-proof plate, 211-through hole, 212-groove structure, 213-annular mounting plate, 214-the first mounting hole, 31-block-like protrusions structure, 41-wheel hub, 42-rivets axle sleeve, 411-mounting plate, 412-the second mounting hole, 421-tapped hole, 422-fastening screw rasp bar, 423-installation axle hole, 424-flange riveted structure, 5-impresses blade, 52-first impresses, 53-second impresses, 54-the 3rd impression, 55-the 3rd mounting hole.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of centrifugal blower electric machine assembly of the present invention, comprise motor 1, waterproof axle sleeve 2, hub unit 4 and impression blade 5, described motor 1 be provided with end cap 11 and output shaft 3, described end cap 11 is located at motor 1 front end through output shaft 3 lids, described output shaft 3 ends are provided with stuffing box gland 12, described waterproof axle sleeve 2 is installed on output shaft 3, waterproof axle sleeve 2 comprises installs axle sleeve 21 and water-proof plate 22, described water-proof plate 22 lids are located on stuffing box gland 12, described hub unit 4 is installed on waterproof axle sleeve 2, described hub unit 4 comprises wheel hub 41 and riveted joint axle sleeve 42, described wheel hub 41 is provided with some mounting plates 411, described impression blade 5 is installed on mounting plate 411, described output shaft 3 is provided with block-like protrusions structure 31, described installation axle sleeve 21 centers have through hole 211, through hole 211 inwalls have groove structure 212, the thickness of described block-like protrusions structure 31 equals the degree of depth of groove structure 212, described water-proof plate 22 is positioned at the below that axle sleeve 21 is installed, the bottom of water-proof plate 22 is hollow structure, the through hole 211 of described installation axle sleeve 21 is connected with water-proof plate 22 centers, described installation axle sleeve 21 is provided with annular mounting plate 213, described annular mounting plate 213 is structure as a whole with installation axle sleeve 21, on annular mounting plate 213, have some the first mounting holes 214.
Consult Fig. 1 and Fig. 5, described riveted joint axle sleeve 42 is installed on wheel hub 41 center, described wheel hub 41 adopts riveted joint axle sleeve 42 to be connected with waterproof axle sleeve 2, one side of riveted joint axle sleeve 42 has tapped hole 421, in described tapped hole 421, fastening screw rasp bar 422 is installed, in axle sleeve 42, be provided with installation axle hole 423, described tapped hole 421 is connected with installation axle hole 423, the quantity of described mounting plate 411 is 4, on every mounting plate 411, have several the second mounting holes 412, the end of described riveted joint axle sleeve 42 is provided with flange riveted structure 424, flange riveted structure 424 is structure as a whole with riveted joint axle sleeve 42, riveted joint axle sleeve 42 adopts flange riveted structure 424 and the fastening installation of wheel hub 41.
Consult Fig. 5, described in Fig. 6 and Fig. 7, impress blade 5 and be provided with the first impression 52, the front end of the first impression 52 flushes with the front end of impression blade 5, in described the first impression 52, be provided with the second impression 53 and the 3rd impression 54, the second impression 53 is positioned at the rear of the 3rd impression 54, the front of described the 3rd impression 54 is provided with some rows three mounting hole 55 corresponding with the second mounting hole 412, described the first impression 52, the degree of depth of the second impression 53 and the 3rd impression 54 is 1.5~2.5mm, described the second impression 53 is arc impression, the 3rd impression 54 is arrow shaped impression, described the 3rd mounting hole 55 is arranged in parallel into three rows, first row is provided with three the 3rd mounting holes 55, second row is provided with two the 3rd mounting holes 55, the 3rd row is provided with three the 3rd mounting holes 55.
Working procedure of the present invention:
A kind of centrifugal blower of the present invention with electric machine assembly in the course of the work, by sheathed stuffing box gland 12 on the output shaft 3 at motor 1, and waterproof axle sleeve 2 is installed on stuffing box gland 12, waterproof axle sleeve 2 comprises installs axle sleeve 21 and water-proof plate 22, water-proof plate 22 can anti-sealing and dust enter in motor 1, reliability while having guaranteed equipment work, extended the working life of equipment, annular mounting plate 213 on installation axle sleeve 21 is convenient to the installation of waterproof axle sleeve 2, output shaft 3 adopts block-like protrusions structure 31 and the corresponding installation of groove structure 212 of installing on axle sleeve 21, making between the two can close installation, prevent loosening phenomenon, by flange riveted structure 424 being set at the end of riveted joint axle sleeve 42, adopt flange riveted structure 424 will rivet axle sleeve 42 and wheel hub 41 close installation, without on riveted joint axle sleeve 42, all the other mounting structures being set, output shaft 3 is packed in the installation axle hole 423 of riveting axle sleeve 42, adopt fastening screw rasp bar 422 that output shaft 3 and riveted joint axle sleeve 42 are carried out to fastening installation, package assembly is simple, firm, has reduced the oeverall quality of blower fan, has reduced work energy consumption, by three row's mounting holes 55 being installed on impression blade 5, make to impress between blade 5 and wheel hub 41 and firmly install, prevent from impressing between blade 5 and wheel hub 41 and produce and become flexible, and the first impression 52, the second impression 53 and the 3rd impression 54 on impression blade 5 improve the hydrodynamic performance that impresses blade 5, can effectively concentrate water conservancy diversion to air quantity, impress sagittate the 3rd impression 54 that blade 5 is provided with reminding turning, not only convenient installation, simultaneously beautiful shape simultaneously.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.

Claims (10)

1. a centrifugal blower electric machine assembly, it is characterized in that: comprise motor (1), waterproof axle sleeve (2), hub unit (4) and impression blade (5), described motor (1) be provided with end cap (11) and output shaft (3), described end cap (11) is located at motor (1) front end through output shaft (3) lid, described output shaft (3) end is provided with stuffing box gland (12), described waterproof axle sleeve (2) is installed on output shaft (3), waterproof axle sleeve (2) comprises installs axle sleeve (21) and water-proof plate (22), described water-proof plate (22) lid is located on stuffing box gland (12), described hub unit (4) is installed on waterproof axle sleeve (2), described hub unit (4) comprises wheel hub (41) and riveted joint axle sleeve (42), described wheel hub (41) is provided with some mounting plates (411), described impression blade (5) is installed on mounting plate (411).
2. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: described output shaft (3) is provided with block-like protrusions structure (31), described installation axle sleeve (21) center has through hole (211), through hole (211) inwall has groove structure (212), and the thickness of described block-like protrusions structure (31) equals the degree of depth of groove structure (212).
3. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: described water-proof plate (22) is positioned at the below that axle sleeve (21) is installed, the bottom of water-proof plate (22) is hollow structure, and the through hole (211) of described installation axle sleeve (21) is connected with water-proof plate (22) center.
4. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: described installation axle sleeve (21) is provided with annular mounting plate (213), described annular mounting plate (213) is structure as a whole with axle sleeve (21) is installed, and has some the first mounting holes (214) on annular mounting plate (213).
5. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: described riveted joint axle sleeve (42) is installed on the center of wheel hub (41), described wheel hub (41) adopts riveted joint axle sleeve (42) to be connected with waterproof axle sleeve (2), one side of riveted joint axle sleeve (42) has tapped hole (421), fastening screw rasp bar (422) is installed in described tapped hole (421), in axle sleeve (42), be provided with installation axle hole (423), described tapped hole (421) is connected with installation axle hole (423).
6. a kind of centrifugal blower electric machine assembly as claimed in claim 1, is characterized in that: the quantity of described mounting plate (411) is 4, has several the second mounting holes (412) on every mounting plate (411).
7. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: the end of described riveted joint axle sleeve (42) is provided with flange riveted structure (424), flange riveted structure (424) is structure as a whole with riveted joint axle sleeve (42), and riveted joint axle sleeve (42) adopts flange riveted structure (424) and the fastening installation of wheel hub (41).
8. a kind of centrifugal blower electric machine assembly as claimed in claim 1, it is characterized in that: described impression blade (5) is provided with the first impression (52), the front end of the first impression (52) flushes with the front end of impression blade (5), in described the first impression (52), be provided with the second impression (53) and the 3rd impression (54), the second impression (53) is positioned at the rear of the 3rd impression (54), and the front of described the 3rd impression (54) is provided with some rows three mounting hole (55) corresponding with the second mounting hole (412).
9. a kind of centrifugal blower electric machine assembly as claimed in claim 8, it is characterized in that: the degree of depth of described the first impression (52), the second impression (53) and the 3rd impression (54) is 1.5~2.5mm, described the second impression (53) is arc impression, and the 3rd impression (54) is arrow shaped impression.
10. a kind of centrifugal blower electric machine assembly as claimed in claim 8, it is characterized in that: described the 3rd mounting hole (55) is arranged in parallel into three rows, first row is provided with three the 3rd mounting holes (55), second row is provided with two the 3rd mounting holes (55), and the 3rd row is provided with three the 3rd mounting holes (55).
CN201310703621.1A 2013-12-19 2013-12-19 Motor assembly for centrifugal fan Active CN103742430B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310703621.1A CN103742430B (en) 2013-12-19 2013-12-19 Motor assembly for centrifugal fan

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Application Number Priority Date Filing Date Title
CN201310703621.1A CN103742430B (en) 2013-12-19 2013-12-19 Motor assembly for centrifugal fan

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CN103742430A true CN103742430A (en) 2014-04-23
CN103742430B CN103742430B (en) 2015-05-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608954A (en) * 2020-06-22 2020-09-01 广东顺德三扬科技股份有限公司 Blade and fan blade applying same
CN112840533A (en) * 2018-12-10 2021-05-25 大金工业株式会社 Waterproof structure of fan motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207466Y (en) * 1994-11-22 1995-09-13 长春市北方变压器组件研究所 Disk type permanent-megnetic synchronous low noise transformer fan
CN1133945A (en) * 1995-01-19 1996-10-23 博施-西门子家用器具有限公司 Fan wheel and its mfg. method
CN200959546Y (en) * 2006-09-28 2007-10-10 孔令民 Waterproof dust-collecting structure of motor
CN101123374A (en) * 2006-08-09 2008-02-13 上海南洋电机有限公司 A waterproof sealing structure for motor
CN201187486Y (en) * 2008-03-31 2009-01-28 陈秀金 Flange connection seat for connecting exhaust fan blade and electric machine
US20090045588A1 (en) * 2007-08-15 2009-02-19 Chia-Hsuan Chang Fan and motor thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207466Y (en) * 1994-11-22 1995-09-13 长春市北方变压器组件研究所 Disk type permanent-megnetic synchronous low noise transformer fan
CN1133945A (en) * 1995-01-19 1996-10-23 博施-西门子家用器具有限公司 Fan wheel and its mfg. method
CN101123374A (en) * 2006-08-09 2008-02-13 上海南洋电机有限公司 A waterproof sealing structure for motor
CN200959546Y (en) * 2006-09-28 2007-10-10 孔令民 Waterproof dust-collecting structure of motor
US20090045588A1 (en) * 2007-08-15 2009-02-19 Chia-Hsuan Chang Fan and motor thereof
CN201187486Y (en) * 2008-03-31 2009-01-28 陈秀金 Flange connection seat for connecting exhaust fan blade and electric machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840533A (en) * 2018-12-10 2021-05-25 大金工业株式会社 Waterproof structure of fan motor
US20220029499A1 (en) * 2018-12-10 2022-01-27 Daikin Industries, Ltd. Fan motor waterproof structure
US11764634B2 (en) * 2018-12-10 2023-09-19 Daikin Industries, Ltd. Fan motor waterproof structure
CN111608954A (en) * 2020-06-22 2020-09-01 广东顺德三扬科技股份有限公司 Blade and fan blade applying same

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Effective date of registration: 20160912

Address after: 311800 Zhejiang city of Shaoxing province Zhuji City Tao Street Millennium Road No. 22

Patentee after: Zhejiang shield rail traffic equipment Co., Ltd.

Address before: 311800 Zhejiang city of Shaoxing province Zhuji City Tao Street Millennium Road No. 22

Patentee before: SHUANGSHUANG REFRIGERATING APPARATUS CO., LTD.