CN203476823U - Hand-held hair dryer and fan assembly thereof - Google Patents
Hand-held hair dryer and fan assembly thereof Download PDFInfo
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- CN203476823U CN203476823U CN201320447304.3U CN201320447304U CN203476823U CN 203476823 U CN203476823 U CN 203476823U CN 201320447304 U CN201320447304 U CN 201320447304U CN 203476823 U CN203476823 U CN 203476823U
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- 230000002093 peripheral effect Effects 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a hand-held hair dryer which comprises a casing, a channel assembly and a blowpipe, wherein the channel assembly is accommodated in the casing; the blowpipe is connected with the channel assembly; the channel assembly comprises a channel and a fan assembly connected with the channel; the fan assembly comprises a motor, a fan and fan fixing components; the fan fixing components comprise a center piece, a first fastening element and a second fastening element; the fan is mounted on the center piece; and the center piece is provided with a first part, a second part and an inner hole, the first part and the second part are tightly connected with the first fastening element and the second fastening element respectively, and the inner hole is connected with an output shaft of the motor. The hand-held hair dryer and the fan thereof can be better fixed on the output shaft of the motor, the mounting reliability of the fan is effectively improved, and at the same time, the danger caused due to the fact that the fan falls off the output shaft of the motor when rotating at a high speed is avoided.
Description
Technical field
The utility model relates to a kind of hand blower and fan component thereof.
Background technique
Fan component in the instruments such as traditional hand blower, suction machine, vacuum cleaner is generally connected with the interference fit of motor output shaft by fan hub, if coordinate so unreliable fan to come off in the process of motor High Rotation Speed, causes losing efficacy.And in hand blower, fan is as the main movement parts of blower, if it is unreliable to fix between fan and motor shaft, in use coming off causes losing efficacy even can be blown air feeding tube and causes casualty accident, affects greatly the Security that blower is used.
Summary of the invention
The hand blower that provides a kind of safety and reliability higher is provided the purpose of this utility model.
For reaching above-mentioned purpose, the invention provides a kind of hand blower, comprise housing, an air feeding tube that is received into housing Zhong Han road assembly and the connection of Yi Geyuhan road assembly, described letter road assembly comprises the fan component that the Han Dao Jiyuhan road that is connected with housing is connected, described fan component comprises motor, fan and fan fixing-assembly, it is characterized in that: described fan fixing-assembly comprises a center piece, the first fastener and the second fastener, described fan is installed on described center piece, described center piece has respectively with first, the second fastener be fastenedly connected first, second portion and an endoporus being connected with described motor output shaft.
Further, the central axis conllinear of described endoporus and described fan, described motor output shaft has a peripheral surface and is provided with externally threaded top, and described motor output shaft is connected by the outside thread on its top and the inner hole thread of described center piece.
Further, first, second part of described center piece is separately positioned on the two ends of described center piece, and described the first fastening piece is nut, and described center piece first portion has an outside thread being connected with described nut.
Further, described center piece also comprises an intermediate portion being connected with described fan insertable, and described second portion extends to form the shape of a cross section cone from intermediate portion.
Further, described the second fastener inside be provided with one with the measure-alike cone-shaped hole of the cross section cone of described center piece second portion.
Further, the main body of described the second fastener forms a "T"-shaped cylindrical structure, and the diameter on its top is greater than the diameter of bottom.
Further, described fan comprises wheel hub and a plurality of blade being installed on wheel hub on the intermediate portion that is installed to center piece of an insertable.
Further, the bottom of described wheel hub forms one and has the perforate that predetermined depth and diameter are different from wheel hub internal diameter, and the diameter of described perforate is greater than the diameter on the second fastener top.
The utility model also provides a kind of fan component of installing reliably and effectively avoiding fan to come off.
For reaching above-mentioned purpose, the utility model provides a kind of fan component, comprise fan, motor and fan fixing-assembly, it is characterized in that: described fan fixing-assembly comprises a center piece, the first fastener and the second fastener, described fan is installed on described center piece, and described center piece has first, second part and the endoporus being connected with described motor output shaft being fastenedly connected with first, second fastener respectively.
Further, the central axis conllinear of described endoporus and described fan, described motor output shaft has a peripheral surface and is provided with externally threaded top, and described motor output shaft is connected by the outside thread on its top and the inner hole thread of described center piece.
Further, first, second part of described center piece is separately positioned on the two ends of described center piece, and described the first fastening piece is nut, and described center piece first portion has an outside thread being connected with described nut.
Further, described center piece also comprises an intermediate portion being connected with described fan insertable, described second portion extends to form the shape of a cross section cone from intermediate portion, described the second fastener inside be provided with one with the measure-alike cone-shaped hole of the cross section cone of described center piece second portion, the main body of described the second fastener forms a "T"-shaped cylindrical structure, and the diameter on its top is greater than the diameter of bottom.
Further, described fan comprises wheel hub and a plurality of blade being installed on wheel hub on the intermediate portion that is installed to center piece of an insertable, the bottom of described wheel hub forms one and has the perforate that predetermined depth and diameter are different from wheel hub internal diameter, and the diameter of described perforate is greater than the diameter on the second fastener top.
The fan fixing-assembly fan of hand blower of the present utility model is connected with motor output shaft by center piece, make fan better be fixed on motor output shaft, effectively improved the concentricity that fan is installed, improve the reliability that fan is installed, while also having avoided fan High Rotation Speed, from motor shaft, come off simultaneously, the hand blower of application said fans fixing-assembly, solve inefficacy and casualty accident that fan may come off and cause, improved safety and reliability when blower is used.
Accompanying drawing explanation
Fig. 1 is the perspective view of the hand blower in the utility model mode of execution;
Fig. 2 is that the hand blower in the utility model mode of execution removes the plan view after partial shell;
Fig. 3 is that the hand blower Han road assembly in the utility model mode of execution removes the stereogram after part letter road and connecting tube;
Fig. 4 is the sectional view of the hand blower Han road assembly in the utility model mode of execution.
Embodiment
In order to better understand technology contents of the present utility model, especially exemplified by embodiment and coordinate appended illustrate as follows.
Please refer to Fig. 1 and Fig. 2, hand blower 10 as the utility model mode of execution, comprise housing 11, air intake box 12, handle 13, control unit 14, battery 15,Han road assembly 17 and air feeding tube 19, letter road assembly 17 and battery 15 corresponding both sides that are positioned at housing 11 respectively wherein, handle 13 is arranged on housing 11, housing 11 is connected with air feeding tube 19 by letter road assembly 17, and air intake box 12 is positioned at housing 11 inside.
Please also refer to Fig. 3 Ji Tu4，Han road assembly 17 and comprise the connecting tube 170 being connected with air feeding tube 19, the fan component 18 that the 171Ji Yuhan road, Han road 171 that is connected with housing 11 is connected.Fan component 18 comprises motor 172, fan 173 and fan fixing-assembly (figure is mark not), motor 172 is connected with the trigger (figure is mark not) on control unit 14 by wire, the mutual clamping in connecting tube 170Yu Han road 171, in connecting tube 170Yu Han road 171, be provided with the support ring 174 that holds motor 172, motor 172 is arranged in support ring 174, and fan 173 is connected with the output shaft of motor 172.The interior all one-body molded wind-guiding muscle 175 that has some divergent shapes in connecting tube 170Ji Han road 171, wind-guiding muscle 175 one end are connected on the inwall in connecting tube 170Huo Han road 171, the other end is connected on support ring 174, wherein at least one wind-guiding muscle 175, is provided with the passage 176 that power supply machine 172 wires pass.Fan fixing-assembly is for being fixed to motor output shaft 1721 by fan 173.Be understandable that, if letter road 171 length are enough, also can not pass through connecting tube 170, directly support ring 174 and wind-guiding muscle 175 are set on letter road 171.
Below fan fixing-assembly of the present utility model is described in detail, fan fixing-assembly comprises center piece 181, the first fastener 182 and the second fastener 183, the two ends of center piece 181 are respectively arranged with first portion 1811 and second portion 1813, the peripheral surface that wherein extends to the first portion 1811 outside fan hub 1731 is provided with outside thread (figure is mark not), the first fastener 182 is threaded with it by internal thread (not shown), first fastener 182 is here a nut, be understandable that, screw threads for fastening mode in above-mentioned mode of execution between nut 183 and the first portion 1811 of center piece 181 also can be used other modes well known to those skilled in the art to substitute, as collar notch.In addition, fan fixing-assembly also comprises a pad 184 being arranged between the first fastener 182 and fan hub 1731 end faces.
In the utility model mode of execution, fan 173 is axial fan, it comprises a wheel hub 1731 that can be installed on center piece 181 intermediate portions 1812, a plurality of blades 1732 that are installed on above-mentioned wheel hub 1731, its Leaf 1732 can be one-body molded with wheel hub 1731, can be to be also assembled into together after being separately shaped.In the bottom of fan hub 1731, form one and have the perforate (figure is mark) that predetermined depth and diameter are different from wheel hub internal diameter, the diameter of perforate is greater than the diameter on the second fastener 183 tops.
Bottom at center piece 181 has an endoporus 1814 in the direction of intermediate portion 1812, and endoporus described in present embodiment 1814 is a blind hole, also can design according to actual needs size and the type of this endoporus.Motor output shaft 1721 has an end, peripheral surface in end is formed with outside thread (not shown), motor output shaft 1721 is inserted in the endoporus 1814 of center piece 181, and form and be threaded, the concentricity that the central axis conllinear of this endoporus 1814 and fan 173 is installed with assurance fan 173 with the internal thread (figure is mark) of corresponding position formation in endoporus 1814.
Below the concrete mounting type of the utility model fan 173 is described in detail, for fan 173 is fixedly installed on motor output shaft 1721, first the second fastener 183 is inserted on center piece 181 second portions 1813 and by the cone-shaped hole on the conical surface on the cone of cross section and the second fastener 183 and is connected, the wheel hub of fan 173 1731 is packed into the intermediate portion 1812 of center piece 181, again motor output shaft 1721 is inserted into the endoporus 1814 of center piece 181, by the outside thread on motor output shaft 1721 tops, being threaded with the endoporus 1814 of center piece inside, it is fastening to carry out, finally by pad 184, the first portion 1811 that the first fastener 182 is installed to center piece 181 is fastenedly connected, now fan 173 compresses the top of the second fastener 183 by the upper surface of wheel hub 1731 bottom opening, the second fastener 183 is coordinated and is tightened up center piece 181 by inner conical surface, finally, center piece 181 is held motor output shaft 1721 tightly and is realized fixing.By the mounting type of said fans fixing-assembly 18, fan 173 is better fixed on motor output shaft 1721, effectively improved the concentricity that fan is installed, the reliability that provides fan to install, comes off while also having avoided fan High Rotation Speed simultaneously.
In another kind of mode of execution of the present utility model, on motor output shaft 1721, near on the region outer surface of center piece second portion 1813, outside thread (not shown) is set, when corresponding region that center piece second portion 1813 is being held motor output shaft 1721 tightly, can directly hold tightly on screw thread, rely on the rubbing action of screw thread to be fixed, even if screw connection structure is not set in the end of motor output shaft 1721 like this, also can effectively prevent that fan from getting loose.
In the utility model mode of execution, motor 172 is brshless DC motor, fan 173 is driven by motor 172, fan 173 is provided with cowling 177 near one end of handle 13, and cowling 177 is installed on center piece 181 by screw 178, and motor 172 is connected to fan 173 near one end of air feeding tube 19, because fan 173 is axial fan, air-flow enters after fan 173 by blowing passage, the axial wind-guiding muscle 175 that passes through under the effect of fan 173, and flow in air feeding tube 19.Fan component at the utility model mode of execution is applied to hand blower, can certainly be applied to as required on dissimilar instrument, as suction machine, vacuum cleaner etc.
Although the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Under the utility model, in technical field, have and conventionally know the knowledgeable, within not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is when being as the criterion depending on claims person of defining.
Claims (13)
1. a hand blower, comprise housing, an air feeding tube that is received into housing Zhong Han road assembly and the connection of Yi Geyuhan road assembly, described letter road assembly comprises the fan component that the Han Dao Jiyuhan road that is connected with housing is connected, described fan component comprises motor, fan and fan fixing-assembly, it is characterized in that: described fan fixing-assembly comprises a center piece, the first fastener and the second fastener, described fan is installed on described center piece, described center piece has respectively with first, the second fastener be fastenedly connected first, second portion and an endoporus being connected with described motor output shaft.
2. hand blower according to claim 1, it is characterized in that: the central axis conllinear of described endoporus and described fan, described motor output shaft has a peripheral surface and is provided with externally threaded top, and described motor output shaft is connected by the outside thread on its top and the inner hole thread of described center piece.
3. hand blower according to claim 1, it is characterized in that: first, second part of described center piece is separately positioned on the two ends of described center piece, described the first fastening piece is nut, and described center piece first portion has an outside thread being connected with described nut.
4. hand blower according to claim 1, is characterized in that: described center piece also comprises an intermediate portion being connected with described fan insertable, and described second portion extends to form the shape of a cross section cone from intermediate portion.
5. hand blower according to claim 4, is characterized in that: described the second fastener inside be provided with one with the measure-alike cone-shaped hole of the cross section cone of described center piece second portion.
6. hand blower according to claim 5, is characterized in that: the main body of described the second fastener forms a "T"-shaped cylindrical structure, and the diameter on its top is greater than the diameter of bottom.
7. hand blower according to claim 1, is characterized in that: described fan comprises wheel hub and a plurality of blade being installed on wheel hub on the intermediate portion that is installed to center piece of an insertable.
8. hand blower according to claim 7, is characterized in that: the bottom of described wheel hub forms one and has the perforate that predetermined depth and diameter are different from wheel hub internal diameter, and the diameter of described perforate is greater than the diameter on the second fastener top.
9. a fan component, comprise fan, motor and fan fixing-assembly, it is characterized in that: described fan fixing-assembly comprises a center piece, the first fastener and the second fastener, described fan is installed on described center piece, and described center piece has first, second part and the endoporus being connected with described motor output shaft being fastenedly connected with first, second fastener respectively.
10. fan component according to claim 9, it is characterized in that: the central axis conllinear of described endoporus and described fan, described motor output shaft has a peripheral surface and is provided with externally threaded top, and described motor output shaft is connected by the outside thread on its top and the inner hole thread of described center piece.
11. fan components according to claim 9, it is characterized in that: first, second part of described center piece is separately positioned on the two ends of described center piece, described the first fastening piece is nut, and described center piece first portion has an outside thread being connected with described nut.
12. fan components according to claim 9, it is characterized in that: described center piece also comprises an intermediate portion being connected with described fan insertable, described second portion extends to form the shape of a cross section cone from intermediate portion, described the second fastener inside be provided with one with the measure-alike cone-shaped hole of the cross section cone of described center piece second portion, the main body of described the second fastener forms a "T"-shaped cylindrical structure, and the diameter on its top is greater than the diameter of bottom.
13. fan components according to claim 9, it is characterized in that: described fan comprises wheel hub and a plurality of blade being installed on wheel hub on the intermediate portion that is installed to center piece of an insertable, the bottom of described wheel hub forms one and has the perforate that predetermined depth and diameter are different from wheel hub internal diameter, and the diameter of described perforate is greater than the diameter on the second fastener top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447304.3U CN203476823U (en) | 2013-07-25 | 2013-07-25 | Hand-held hair dryer and fan assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447304.3U CN203476823U (en) | 2013-07-25 | 2013-07-25 | Hand-held hair dryer and fan assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476823U true CN203476823U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447304.3U Expired - Fee Related CN203476823U (en) | 2013-07-25 | 2013-07-25 | Hand-held hair dryer and fan assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476823U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370589A (en) * | 2014-08-01 | 2016-03-02 | 南京德朔实业有限公司 | A blower fan |
| CN105402165A (en) * | 2014-09-09 | 2016-03-16 | 苏州金莱克精密机械有限公司 | Blower |
| CN107269550A (en) * | 2017-06-16 | 2017-10-20 | 宁波大叶园林设备股份有限公司 | Have lithium battery drive motor ring Zhou Binglie filtering muffling air ducts blows leaf machine |
| CN107558421A (en) * | 2016-06-30 | 2018-01-09 | 南京德朔实业有限公司 | Hair-dryer |
| US10405714B2 (en) | 2014-08-01 | 2019-09-10 | Chervon (Hk) Limited | Blower |
| CN110537868A (en) * | 2018-05-28 | 2019-12-06 | 珍巴多工业股份有限公司 | Electric vacuum cleaner system |
-
2013
- 2013-07-25 CN CN201320447304.3U patent/CN203476823U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370589A (en) * | 2014-08-01 | 2016-03-02 | 南京德朔实业有限公司 | A blower fan |
| US10405714B2 (en) | 2014-08-01 | 2019-09-10 | Chervon (Hk) Limited | Blower |
| CN105402165A (en) * | 2014-09-09 | 2016-03-16 | 苏州金莱克精密机械有限公司 | Blower |
| CN107558421A (en) * | 2016-06-30 | 2018-01-09 | 南京德朔实业有限公司 | Hair-dryer |
| CN107558421B (en) * | 2016-06-30 | 2020-01-31 | 南京德朔实业有限公司 | Hair drier |
| CN107269550A (en) * | 2017-06-16 | 2017-10-20 | 宁波大叶园林设备股份有限公司 | Have lithium battery drive motor ring Zhou Binglie filtering muffling air ducts blows leaf machine |
| CN107269550B (en) * | 2017-06-16 | 2019-08-13 | 宁波大叶园林设备股份有限公司 | Tool lithium battery drive motor ring Zhou Binglie filtering muffling air duct blows leaf machine |
| CN110537868A (en) * | 2018-05-28 | 2019-12-06 | 珍巴多工业股份有限公司 | Electric vacuum cleaner system |
| CN110537868B (en) * | 2018-05-28 | 2022-04-08 | 珍巴多工业股份有限公司 | Electric vacuum cleaner system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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| 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: 20140312 |