CN1198373C - Finger protector - Google Patents
Finger protector Download PDFInfo
- Publication number
- CN1198373C CN1198373C CN 01111796 CN01111796A CN1198373C CN 1198373 C CN1198373 C CN 1198373C CN 01111796 CN01111796 CN 01111796 CN 01111796 A CN01111796 A CN 01111796A CN 1198373 C CN1198373 C CN 1198373C
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- CN
- China
- Prior art keywords
- mentioned
- framework
- finger protector
- inner space
- dryer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Cleaning And Drying Hair (AREA)
Abstract
The invention provides a finger guard for a blower to suppress increase in noise of the blower. One or more communication holes 23 to suck air from the outside of a frame body 15 in an inside space surrounded by a rectangular frame body 15 are formed in each four frame rib parts 19, etc., forming the four sides of the frame body 15.
Description
Technical field
The present invention relates to the finger protector that hair-dryer is used.
Background technology
Having with the motor is in the hair-dryer of the impeller that rotates of drive source, for prevent to point be arranged at impeller on blade contact and produce injured, at the air inlet of hair-dryer, finger protector is set.Generally, finger protector is formed by steel fabric sheet or synthetic resin, it directly is installed on the hair-dryer according to the mode of the air inlet that covers hair-dryer, or is installed on according to the mode of the air inlet that covers hair-dryer in the wall portion of framework of the electronic installation that is provided with hair-dryer etc.Such finger protector comprises framework, and the protection department that is arranged at the framework inboard.This protection department stops people's finger to enter, and has aeration in addition.
If the rotation of the impeller of hair-dryer, air by the vent path of the protection department of finger protector, realize sucking, then air produces noise by between a plurality of blades.But the hair-dryer with finger protector in past has following problems, and promptly the air by finger protector produces turbulent flow, and the noise between the blade is increased.
Summary of the invention
The finger protector that the object of the present invention is to provide a kind of hair-dryer that suppresses the noise increase to use.
The finger protector of using as the hair-dryer of improvement object of the present invention comprises the framework that is formed by synthetic resin, and protection department, this protection department stops people's finger to enter, and has aeration, this finger protector is arranged at the air inlet side of hair-dryer, uses according to the mode that covers air inlet.In the present invention, for air is drawn into the inner space that is centered on by above-mentioned framework from the outside of above-mentioned framework, form a plurality of intercommunicating pores on above-mentioned framework, these a plurality of intercommunicating pores are round above-mentioned inner space.If according to mode of the present invention, in framework, form a plurality of intercommunicating pores, then when the impeller rotation of hair-dryer, air sucks air from a plurality of intercommunicating pores that are opened on the framework towards the hair-dryer side.The inventor finds, in the finger protector in the past, the air by protection department produces turbulent flow in the space that is centered on by framework, so just make the noise increase between the blade.So, in the present invention, in framework, form a plurality of intercommunicating pores, by sucking air, suppress the generation of turbulent flow from these intercommunicating pores.Thus, according to the present invention, relatively in the past, also can reduce noise.
The a plurality of intercommunicating pores that are formed on the framework can be following structure, in this structure, can be suppressed at the situation that near the air that takes place the framework becomes turbulent flow, and this intercommunicating pore can be different shape.If by following elongated hole, form each intercommunicating pore, this elongated hole is along following direction opening, this direction be such as, comprise direction towards the inner space of the inside of above-mentioned framework, this both direction of the direction of leaving with above-mentioned inner space, and, then can form the bigger intercommunicating pore of area of peristome simply towards the direction of the air inlet of above-mentioned hair-dryer.
In the finger protector of hair-dryer of the present invention, be preferably in the occasion that adopts rectangular-shaped framework, in 4 main frame portions on 4 limits that constitute above-mentioned rectangular-shaped framework, form the intercommunicating pore more than 1 respectively, this intercommunicating pore is used for the outside of air from above-mentioned framework is drawn into the inner space that is centered on by above-mentioned framework.In this occasion, in 4 main frame portions, form 1 intercommunicating pore respectively, this intercommunicating pore is following elongated hole, this elongated hole is along following direction opening, this direction is the direction that comprises towards inner space, this both direction of the direction of leaving with above-mentioned inner space, and towards the direction of above-mentioned air inlet.
In addition, best above-mentioned protection department comprises: maximum ring-type internal-rib portion, and it is connected with 4 main frame portions respectively; Flank in a plurality of ring-types, it is arranged at the inboard of maximum ring-type internal-rib portion with concentric manner; Flank in a plurality of linearities, it is radial extension toward the outer side from the central part at the center that is positioned at above-mentioned a plurality of ring-type flanks, and framework, maximum ring-type internal-rib portion are connected with flank in a plurality of ring-types.In this occasion, the connecting portion between maximum ring-type internal-rib portion and the above-mentioned main frame portion is in the longitudinal center portion of above-mentioned main frame portion, and it is the shape that the center keeps symmetry that the elongated hole that forms intercommunicating pore is with above-mentioned connecting portion.If form protection department in the manner described above, then can under the state of the mechanical strength that keeps protection department, obtain the local not higher aeration of biasing.
In addition, can form the through hole that usefulness is installed respectively in 4 bights of rectangular-shaped framework, this through hole is installed on finger protector on the framework of hair-dryer or electronic installation etc.In this occasion, the intercommunicating pore that is preferably formed as in framework forms according to the size that the mechanical strength that does not make the part that is formed with above-mentioned through hole reduces.
Description of drawings
Fig. 1 is the cutaway view of partly cut-away that is illustrated in the state of the finger protector that embodiments of the invention are installed on the hair-dryer;
Fig. 2 is the cutaway view along the II-II line of Fig. 1;
Fig. 3 is the vertical view of the finger protector of embodiments of the invention;
Fig. 4 is the end view of the finger protector of embodiments of the invention;
Fig. 5 is the inner face figure of finger protector of the present invention.
Embodiment
With reference to the accompanying drawings, an example to embodiments of the invention specifically describes.Fig. 1 is the cutaway view of partly cut-away that is illustrated in the state of the finger protector that embodiments of the invention are installed on the hair-dryer, and Fig. 2 is the cutaway view along the II-II line of Fig. 1.As depicted in figs. 1 and 2, in axial flow hair-dryer 1, the wall portion of the framework 3 by electronic installation is equipped with finger protector 5.This hair-dryer 1 has the structure that impeller 9 is set in housing main body 7 inside.The arranged outside that this impeller 9 has at cover 11 has a plurality of blades 13 ... structure, the inside at cover 11 is provided with motor.The hair-dryer 1 of this example makes impeller 9 rotations by the driving of the motor of the inside of cover 11, towards drawing, from the right side to the left side, will send in the electronic installation the wind of the cooling usefulness of air stream effect.The profile of housing main body 7 is square, and at two open ends, has air inlet 7a and exhaust outlet 7b.As shown in Figure 2, hair-dryer 1 is aimed at the mode be communicated with according to air inlet 7a and peristome 3a on being formed at framework 3 and is provided with.
15 one-tenth whole formation of protection department 17 and framework, it comprises and stops people's finger to enter to have the structure of aeration.Specifically, protection department 17 comprises: the maximum ring-type internal-rib 17a of portion, its respectively with 4 main frame portions 19 ... connect; Flank 17b in 3 ring-types ..., it is arranged at the inboard of the maximum ring-type internal-rib 17a of portion with concentric manner; The 17c of plectane portion, it is positioned at a plurality of ring-type flank 17b ... the center; Flank 17d in 8 linearities, it is radial extension toward the outer side from the 17c of plectane portion, and with framework 15, the maximum ring-type internal-rib 17a of portion is connected with flank 17b in a plurality of ring-types.The maximum ring-type internal-rib 17a of portion forms in the mode of the pars intermedia longitudinally of main frame portion 19 according to the connecting portion with main frame portion 19.Thus, to be with the connecting portion be the shape that the center keeps symmetry to intercommunicating pore 23.
As shown in Figure 2, if adopt the finger protector 5 of this example, then when impeller 9 rotations of hair-dryer 1, air is from being formed at 4 intercommunicating pores 23 on the framework 15 ... suck (arrow A) towards inner space 21.In the finger protector in the past, only the air from the protection department shown in the arrow B enters inboard air 21, in inner space 21 inside, produces turbulent flow.Relative therewith, if adopt the finger protector 5 of this example, because air is from a plurality of intercommunicating pores 23 ... in each realization enter, so can suppress to produce turbulent flow.Thus, can reduce at blade 13 ... between the noise that produces.
According to the present invention,, can reduce noise because each suction the intercommunicating pore of air on forming framework produces turbulent flow so can be suppressed in the air.
Claims (6)
1. the finger protector that hair-dryer is used is made by synthetic resin, and it comprises framework, and protection department, this protection department is arranged at the inboard of above-mentioned framework, stops people's finger to enter, have aeration, this finger protector is arranged at the air inlet side of hair-dryer, and covers above-mentioned air inlet;
It is characterized in that: for air is drawn into the inner space that is centered on by above-mentioned framework from the outside of above-mentioned framework, form a plurality of intercommunicating pores on above-mentioned framework, these a plurality of intercommunicating pores are round above-mentioned inner space.
2. finger protector according to claim 1, it is characterized in that: above-mentioned intercommunicating pore is an elongated hole, this elongated hole is along following direction opening, this direction is the direction that comprises towards above-mentioned inner space, this both direction of the direction of leaving with above-mentioned inner space, and towards the direction of above-mentioned air inlet.
3. finger protector that hair-dryer is used, make by synthetic resin, it comprises the framework of rectangular shape, and protection department, this protection department forms one in the inboard of above-mentioned framework with above-mentioned framework, stop people's finger to enter, have aeration, this finger protector is arranged at the air inlet side of hair-dryer, covers above-mentioned air inlet;
It is characterized in that: in 4 main frame portions on 4 limits that constitute above-mentioned rectangular-shaped framework, form the intercommunicating pore more than 1 respectively, this intercommunicating pore is used for the outside of air from above-mentioned framework is drawn into the inner space that is centered on by above-mentioned framework.
4. finger protector according to claim 3, it is characterized in that: in above-mentioned 4 main frame portions, form 1 above-mentioned intercommunicating pore respectively, above-mentioned intercommunicating pore is an elongated hole, this elongated hole is along following direction opening, this direction is the direction that comprises towards above-mentioned inner space, this both direction of the direction of leaving with above-mentioned inner space, and towards the direction of above-mentioned air inlet.
5. finger protector according to claim 4 is characterized in that:
Above-mentioned protection department comprises: maximum ring-type internal-rib portion, and it is connected with 4 main frame portions respectively; Flank in a plurality of ring-types, it is arranged at the inboard of maximum ring-type internal-rib portion with concentric manner; Flank in a plurality of linearities, it is radial extension toward the outer side from the central part at the center that is positioned at above-mentioned a plurality of ring-type flanks, and framework, maximum ring-type internal-rib portion are connected with flank in a plurality of ring-types;
Connecting portion between maximum ring-type internal-rib portion and the above-mentioned main frame portion is in the longitudinal center portion of above-mentioned main frame portion;
It is the shape that the center keeps symmetry that above-mentioned elongated hole is with above-mentioned connecting portion.
6. finger protector according to claim 5, it is characterized in that: in 4 bights of the framework of above-mentioned rectangular shape, be formed with respectively to install and use through hole, the size of above-mentioned intercommunicating pore forms like this: the mechanical strength of the part that is formed with above-mentioned through hole is not reduced.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94268/2000 | 2000-03-30 | ||
JP2000094268A JP3730475B2 (en) | 2000-03-30 | 2000-03-30 | Finger guard for blower |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1319933A CN1319933A (en) | 2001-10-31 |
CN1198373C true CN1198373C (en) | 2005-04-20 |
Family
ID=18609339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 01111796 Expired - Fee Related CN1198373C (en) | 2000-03-30 | 2001-03-28 | Finger protector |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP3730475B2 (en) |
CN (1) | CN1198373C (en) |
TW (1) | TWM292839U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6521723B2 (en) * | 2015-04-30 | 2019-05-29 | シャープ株式会社 | Air circulation type clothes |
CN108512340A (en) * | 2018-01-24 | 2018-09-07 | 汇源印刷包装科技(天津)股份有限公司 | A kind of printing machine logistics system motor |
-
2000
- 2000-03-30 JP JP2000094268A patent/JP3730475B2/en not_active Expired - Fee Related
- 2000-08-14 TW TW94222148U patent/TWM292839U/en unknown
-
2001
- 2001-03-28 CN CN 01111796 patent/CN1198373C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWM292839U (en) | 2006-06-21 |
CN1319933A (en) | 2001-10-31 |
JP2001280294A (en) | 2001-10-10 |
JP3730475B2 (en) | 2006-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050420 Termination date: 20130328 |