CN202209307U - Stamping hub for fan - Google Patents
Stamping hub for fan Download PDFInfo
- Publication number
- CN202209307U CN202209307U CN2011203511405U CN201120351140U CN202209307U CN 202209307 U CN202209307 U CN 202209307U CN 2011203511405 U CN2011203511405 U CN 2011203511405U CN 201120351140 U CN201120351140 U CN 201120351140U CN 202209307 U CN202209307 U CN 202209307U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- shaft sleeve
- live axle
- punching press
- sleeve part
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 90
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 238000005493 welding type Methods 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Abstract
The utility model provides a stamping hub for a fan. The stamping hub is a part installed on the fan and is integrally formed through stamping process. The stamping hub for fan comprises a round-plate-shaped flange part and a cylinder-shaped shaft sleeve part, wherein the shaft sleeve part integrally extends towards the direction vertical to a flange surface from the center of the flange part and is mounted on a drive shaft together with the fan in a free assembly and disassembly mode through the drive shaft inserted in and penetrating through the shaft sleeve part as well as a fixed part mounted on the drive shaft; a D-shaped hole part is formed by one part of the shaft sleeve part; a slope-shaped guide part is formed between the D-shaped hole part and a cylinder-shaped part of the shaft sleeve part; the guide part is used for guiding insertion of the drive shaft; moreover, the part of the shaft sleeve part is formed through the stamping process, so that the D-shaped hole part and the guide part are formed; and the stamping hub for the fan can be used for inserting in the drive shaft easily.
Description
Technical field
The utility model relates to a kind of fan and uses the punching press wheel hub, and this fan is used for the impeller of fan is mounted on the live axle with the punching press wheel hub.
Background technique
For instance; As home-use or industrial ventilation fan and by the sirocco fan (sirocco fan) that extensively utilizes; Be a kind of of centrifugal fan; Carry out needed air-supply effect through making impeller cylindraceous do the revolution driving in the enclosure, have the advantage that can in wider range of flow, turn round.The impeller of this sirocco fan via the wheel hub on the central part that is fixed on dunnage, and is installed on the live axle that driving source is electric motor etc.
In addition, as above-mentioned wheel hub, known have a kind of wheel hub 110 of aluminium die casting manufacturing shown in figure 10 or a wheel hub that is shaped by forging.This wheel hub 110 is configured the center that shaft sleeve part 110B is integrally formed at lip part 110A, and in shaft sleeve part 110B, the axis hole 110a that runs through setting through machining is arranged, and said axis hole 110a is used for letting the live axle 105 of motor etc. insert and runs through.And, have chase 110b to be formed on the end face of shaft sleeve part 110B.
Above-mentioned wheel hub 110; Among the axis hole 110a on running through the shaft sleeve part 110B that is arranged at this wheel hub 110; There is live axle 105 to pass; And utilize nut 112 screw in this live axle 105 from the outstanding screw section 105a (via the flat packing ring 111 of a slice) of shaft sleeve part 110B, thus wheel hub 110 is installed on the live axle 105.Here, the screw section 105a of live axle 105, the part of its periphery is cut into flat condition, and makes screw section 105a form the D font, and at the central part of packing ring 111, forms D font hole 111a.So; The D font screw section 105a of live axle 105 is embedded in the D font hole 111a of packing ring 111; And packing ring 111 embeds among the chase 110b on the shaft sleeve part 110B that has been formed at wheel hub 110, reaches thus to prevent that wheel hub 110 is with respect to live axle 105 rotating mechanism.
But; In the wheel hub 110 that above-mentioned die casting is made; Has following problem: the packing ring 111 that this wheel hub 110 needs as anti-rotary part; And need the shaft sleeve part 110B through being machined in wheel hub 110 go up and form chase 110b, so number of spare parts can increase with the processing number of times, and can't avoid the cost rising.Again, the material cost of the wheel hub 110 that die casting is made shared ratio in cost is higher, and this also is a key element of drawing high the cost of wheel hub 110.
Again; In patent documentation 1; A kind of wheel hub shown in figure 11 210 is proposed, this wheel hub 210 be through iron plate etc. is done punch process come integrally formed, but in this wheel hub 210; Be by welding type nut 214 be screwed on bolt 215 on the welding type nut 214 and reach wheel hub 210 is mounted to the effect on the live axle; Therefore and this welding type nut 214 is welded on the shaft sleeve part 210B of this wheel hub 210, has when carrying out the welding of welding type nut 214, and the shaft sleeve part 210B of minimal thickness is because of welding heat deforms, the unfavorable condition of toughness deficiency etc.
And then, in patent documentation 2, a kind of wheel hub shown in figure 12 310 being proposed, this wheel hub 310 is integrally formed with dunnage 309 through the punch process of dunnage 309.In this wheel hub 310; Constitute below adopting: retaining screw 315 is screwed together in utilization forms on the box thread 310a of portion cylindraceous towards edge processing (burring); And the front end of this retaining screw 315 is pushed on the invayination 310b of wheel hub 310; So that this invayination 310b adherence is fixed in wheel hub 310 on the live axle 305 in live axle 305 thus.Therefore, wheel hub 310 might be out of shape, and causes on this wheel hub 310, taking place the situation that toughness is not enough or axle is inclined to one side.
Therefore, the applicant had before proposed a kind of punching press wheel hub 410 shown in figure 13 (with reference to patent documentation 3).This punching press wheel hub 410; Have discoideus lip part 410A and shaft sleeve part 410B cylindraceous, above-mentioned lip part 410A comes integrally formed through the punch process of sheet metal, above-mentioned shaft sleeve part 410B; Center from this lip part 410A; Toward extending out, and be integrally formed with this lip part 410A perpendicular to the direction of flange surface, and through live axle 405 be screwed on the nut 412 on this live axle 405; The impeller of punching press wheel hub 410 with not shown fan is mounted on the live axle 405 with the mode that can freely load and unload, and said live axle 405 will insert, run through this shaft sleeve part 410B.In addition, though diagram is not come out, punching press wheel hub 410 is installed on the impeller of fan.
On the front end of the shaft sleeve part 410B of this punching press wheel hub 410, the D font hole portion 410a integrally formed through punch process arranged, this D type hole 410a of portion is used for preventing revolution, and at the front end of live axle 405, is formed with screw section 405A.And in the periphery of the screw section of live axle 405 405A, the D font that is formed with flat condition eliminates the 405a of portion, and on the assigned position of live axle 405, is embedded with the clasp 411 as break.
Then; For the impeller of will be with fixed punch pinch roller hub 410 and forming is installed on the live axle 405; Make live axle 405 pass the shaft sleeve part 410B of punching press wheel hub 410; And the D font screw section 405A that makes live axle 405 passes the D font hole 410a of portion, and this D font hole 410a of portion is formed on the front end of shaft sleeve part 410B of punching press wheel hub 410, is used to prevent revolution.Then; If nut 412 is screwed together in upward and with nut 412 screwing from the outstanding screw section 405A of the shaft sleeve part 410B of punching press wheel hub 410 in the live axle 405; Then impeller just can be installed on the live axle 405 via punching press wheel hub 410; And eliminate the 405a of portion according to the D font on the screw section 405A that is formed on live axle 405; Agree with among (engagement) D font hole 410a of portion on the shaft sleeve part 410B that is formed on punching press wheel hub 410, positively reach and prevent that impeller is with respect to live axle 405 rotating mechanism.
The look-ahead technique document
Patent documentation
Patent documentation 1: Japan opens clear 57-107996 communique in fact.
Patent documentation 2: Japan opens clear 57-164299 communique in fact.
Patent documentation 3: TOHKEMY 2002-039095 communique.
The model utility content
Yet; In the punching press wheel hub 410 that is proposed by patent documentation 3 shown in Figure 13; Following problem is arranged: when inserting live axle 405 among this shaft sleeve part 410B,, then be formed on the D font hole 410a of portion on the shaft sleeve part 410B and eliminate the 405a of portion with D font on the screw section 405A that is formed on live axle 405 and understand inconsistent (not aiming at) if both have slightly in a circumferential direction and stagger; Therefore live axle 405 will be difficult to insert, and make assembling performance relatively poor.
The utility model carries out in view of the above problems, and the purpose of the utility model is to provide a kind of fan to use the punching press wheel hub, and this fan can make live axle insert easily with the punching press wheel hub.
In order to reach above-mentioned purpose, technological scheme 1 described model utility is that a kind of fan is used the punching press wheel hub; Be the part that is mounted on the fan, integrally formed by punch process, it has discoideus lip part and shaft sleeve part cylindraceous; Said shaft sleeve part from the center of this lip part towards extending out integratedly perpendicular to the direction of flange surface; And through inserting and running through the live axle in this shaft sleeve part and be installed on the retaining element on the live axle, be installed on the above-mentioned live axle with the mode that can freely load and unload, it is characterized in that: in the part of above-mentioned shaft sleeve part with said fans; Form D font hole portion; And between the cylindrical part of this D font hole portion and shaft sleeve part, forming the inclined plane shape guide portion, said guide portion is used for guiding the insertion of above-mentioned live axle.
According to technological scheme 1 described model utility; Because be formed between the cylindrical part of fan with D font hole portion on the part of the shaft sleeve part of punching press wheel hub and shaft sleeve part; Formed the guide portion of inclined plane shape; So even both stagger in a circumferential direction when live axle inserts shaft sleeve part; So that the D font hole portion of shaft sleeve part eliminates in the absence of portion's inconsistent (aligning) with the D font of live axle, also can revise the circumferential locations of this live axle through the agreeing with of the inclined plane shape guide portion on the front end of live axle and the shaft sleeve part that has been formed at the punching press wheel hub; And, make both consistent with the D font hole portion that the D font portion of eliminating of live axle is directed to the punching press wheel hub.Therefore; Can easily live axle be inserted the punching press wheel hub; Improve the assembling performance of fan, and eliminate agreeing with of portion, prevent that positively the impeller of punching press wheel hub and fan from turning round with respect to live axle through the D font hole portion on the shaft sleeve part that is formed at the punching press wheel hub and the D font of live axle.
According to technological scheme 2 described model utilitys; Utilize punch process to make the part distortion of the shaft sleeve part of punching press wheel hub because be; Form D font hole portion and guide portion thus; So do not need anti-rotary part and machining, and cut down number of spare parts and processing number of times, to seek the reduction of cost as other part.And, if constitute punching press wheel hub and live axle, then can both difference on toughness be suppressed for less, and cut down cost of material and processing cost with metal, also can seek the reduction of punching press wheel hub cost thus.
Description of drawings
Fig. 1 is the front view of sirocco fan;
Fig. 2 is the fracture profile (along the fracture surface figure of the arrow A direction of Fig. 1) of sirocco fan;
Fig. 3 is that the B portion of Fig. 2 enlarges sectional drawing;
Fig. 4 is the expansion sectional drawing along the C-C line of Fig. 3;
Fig. 5 is the exploded perspective view of assembled configuration of the punching press wheel hub of expression the utility model;
Fig. 6 is the front view of the punching press wheel hub of the utility model;
Fig. 7 is the side view of the punching press wheel hub of the utility model;
Fig. 8 is the sectional drawing along the D-D line of Fig. 6;
Fig. 9 is the sectional drawing along the E-E line of Fig. 8;
Figure 10 is the exploded perspective view of the previous sirocco fan of expression aluminium die casting manufacturing with the assembled configuration of wheel hub;
Figure 11 is the oblique drawing of previous punching press wheel hub;
Figure 12 is the sectional drawing of previous punching press wheel hub;
Figure 13 is the exploded perspective view of the assembled configuration of the previous punching press wheel hub of expression.
The symbol description of critical piece
1 sirocco fan
2 shells
The suction port of 2a shell
The discharge opening of 2b shell
3 impellers
4 electric motors
5 live axles
The screw section of 5A live axle
The D font of 5a live axle eliminates portion
6 air inlet rings
7 blades
8 reinforcing rings
9 dunnages
9a, the circular hole of 9b dunnage
10 punching press wheel hubs
The lip part of 10A punching press wheel hub
The shaft sleeve part of 10B punching press wheel hub
The bearing of 10C punching press wheel hub
The recess of 10D punching press wheel hub
The D font hole portion of 10a shaft sleeve part
The cylindrical part of 10b shaft sleeve part
The guide portion of 10c shaft sleeve part
The cylindric projection of 10d punching press wheel hub
11 clasps
12 retaining elements
Embodiment
Below, the example of the utility model is described based on accompanying drawing.
Fig. 1 is the front view of sirocco fan; Fig. 2 is the fracture sectional side view (along the fracture section figure of the arrow A direction of Fig. 1) of sirocco fan; Fig. 3 is that the B portion of Fig. 2 enlarges sectional drawing, and Fig. 4 is the expansion sectional drawing along the C-C line of Fig. 3, and Fig. 5 is the exploded perspective view of mounting construction of the punching press wheel hub of expression the utility model; Fig. 6 is the front view of the punching press wheel hub of the utility model; Fig. 7 is the side view of the punching press wheel hub of the utility model, and Fig. 8 is the sectional drawing along the D-D line of Fig. 6, and Fig. 9 is the sectional drawing along the E-E line of Fig. 8.
Fig. 1 and sirocco fan 1 shown in Figure 2; Be constituted as and in the sheet metal system shell 2 of sirocco fan 1, taking in the cylindric impeller 3 that can turn round freely; Impeller 3 is installed in the state of monolateral support on the end of live axle 5 of electric motor 4, and said electric motor 4 is the driving sources that are installed on the end face of shell 2.
(with reference to Fig. 1) gone up in the other end (opposite sides of the face of electric motor 4 is installed) that has circular suction port 2a to be opened on above-mentioned shell 2, on the periphery of this suction port 2a, is installed with and is used for air is imported the air inlet ring 6 of the bell mouth shape in the impeller 3.And, in shell 2, form the stream of scroll, and have the discharge opening 2b (with reference to Fig. 2) of rectangle on the top of shell 2.
In addition, above-mentioned impeller 3 is shaped as cylindricly in a circumferential direction with several pieces flabellums of equal angles pitch configuration (blade) 7, reinforcing ring 8 is installed on an end of impeller 3, and discoideus dunnage (backboard) 9 is installed on the other end of impeller 3.Then, the punching press wheel hub 10 of the utility model is fixed on the central part of above-mentioned dunnage 9, and impeller 3 is installed on the live axle 5 of above-mentioned electric motor 4 via punching press wheel hub 10.
The detailed formation of the above-mentioned punching press wheel hub 10 of the utility model is described based on Fig. 3～Fig. 9 here.
The punching press wheel hub 10 of the utility model; Be integrally formed through sheet metals such as iron plate are carried out punch process; This punching press wheel hub 10; Have: discoideus lip part 10A and shaft sleeve part 10B cylindraceous, said shaft sleeve part 10B from the center of this lip part 10A towards extending out in one piece perpendicular to the direction of flange surface.
And flange shape bearing 10C is integrally formed on the front end of shaft sleeve part 10B of punching press wheel hub 10 of this example, and on the axle direction intermediate portion of shaft sleeve part 10B, is formed with recess 10D.This recess 10D is to utilize punch process to make the axle direction intermediate portion periphery of shaft sleeve part 10B be deformed into sagged shape, and forms recess 10D thus.
Through on the shaft sleeve part 10B of punching press wheel hub 10, forming above-mentioned recess 10D; Like Fig. 8 and shown in Figure 9; Inside at this shaft sleeve part 10B; Forming the cross section is the D font hole 10a of portion of D word shape, and between this D font hole 10a of portion and cylindrical part 10b, forms the guide portion 10c of inclined plane shape, and this guide portion 10c is used for guiding the insertion of above-mentioned live axle 5.In addition, the internal diameter of the cylindrical part 10b of shaft sleeve part 10B is configured to bigger than the external diameter of the live axle 5 of electric motor 4.
On the same circumference of the end face (face of that side that shaft sleeve part 10B extends out) of the lip part 10A of punching press wheel hub 10, by towards edge processing (burring), be provided with 6 cylindric projection 10d so that equal angles pitch (60 ° of pitches) is outstanding in one piece again.In addition, about the cylindric degree of depth pull and stretch (lip diameter is more than 2 times of the diameter of axle, and the degree of depth of pull and stretch is more than 2 times of the diameter of axle) of the additional big flange that undertaken by punch process, can the degree of depth pull and stretch processing of shaft sleeve part 10B be divided into a plurality of steps and carry out.
Then, to being used for the structure that the punching press wheel hub 10 with above-mentioned formation is mounted on above-mentioned dunnage 9 and the live axle 5 is described.
As shown in Figure 3; On the central part of above-mentioned dunnage 9; Penetrate and be provided with circular hole 9a, this circular hole 9a is used for letting the shaft sleeve part 10B of punching press wheel hub 10 run through, and around this circular hole 9a; On same circumference, penetrate with equal angles pitch (60 ° of pitches) and be provided with 6 small-bore circular hole 9b, these circular holes 9b is used for letting the above-mentioned cylindric projection 10d on the lip part 10A that is formed on punching press wheel hub 10 run through.
And; As shown in Figure 3; Make the shaft sleeve part 10B of punching press wheel hub 10 insert the above-mentioned circular hole 9a that penetrates the central part place that is arranged at dunnage 9; And cylindric projection 10d on the outstanding lip part 10A that is arranged at punching press wheel hub 10 was inserted penetrate the above-mentioned circular hole 9b that is arranged on the dunnage 9, so that the lip part 10A adherence of punching press wheel hub 10 is in dunnage 9, then under this adherence state; Make among each cylindric projection 10d of punching press wheel hub 10 from the outstanding part of dunnage 9; Outwards crimping is also carried out in the extension side, makes punching press wheel hub 10 positively be fixed on the central part of dunnage 9 thus, and the shaft sleeve part 10B of this punching press wheel hub 10 runs through the central part of dunnage 9 and side-prominent in impeller 3.
When the 5 last times of live axle that will be as above-mentioned impeller 3 be installed in electric motor 4; Said impeller 3 is to utilize the mode of crimping (orifice ring crimping) to fix punching press wheel hub 10 to form with dunnage 9; Then like Fig. 1 and shown in Figure 2, earlier above-mentioned air inlet ring 6 being pulled down from shell 2, is forward end with punching press wheel hub 10 then; Suction port 2a via shell 2 pushes impeller 3 in the shell 2, makes the live axle 5 of electric motor 4 pass the shaft sleeve part 10B of punching press wheel hub 10.
Here, as shown in Figure 5, on the front end of the live axle 5 of electric motor 4, the D font that is formed with screw section 5A and flat condition eliminates the 5a of portion, and on the assigned position of live axle 5, is embedded with the clasp 11 as break.
Then; As aforementioned, pass under the state of shaft sleeve part 10B of punching press wheel hub 10 at the live axle that makes electric motor 45; If impeller 3 is pushed with punching press wheel hub 10; Then at punching press wheel hub 10 and live axle 5 under situation about staggering on the circumferencial direction; Shown in the chain line among Fig. 9, be formed at D font hole 10a and the D font of live axle 5 on the shaft sleeve part 10B of punching press wheel hub 10 eliminate the 5a of portion can inconsistent (not aiming at), the front end of live axle 5 caters to the inclined plane shape guide portion 10c on the shaft sleeve part 10B that is formed on punching press wheel hub 10.So; Under the state that the front end of live axle 5 and inclined plane shape guide portion 10c on the shaft sleeve part 10B that has been formed at punching press wheel hub 10 agree with; If impeller 3 is pushed with punching press wheel hub 10; Then the circumferential locations of live axle 5 can be revised, and the D font of this live axle 5 eliminates the 5a of portion and can be led to the D font hole 10a of portion of punching press wheel hub 10 and make both consistent.Therefore; Can easily live axle 5 be inserted among the shaft sleeve part 10B of punching press wheel hub 10; Improve the assembling performance of impeller 3; And the D font through live axle 5 eliminates agreeing with of the D font hole 10a of portion on the 5a of portion and the shaft sleeve part 10B that is formed at punching press wheel hub 10, prevents that positively punching press wheel hub 10 and impeller 3 from turning round with respect to live axle 5.
As above-mentioned; After live axle 5 passes the shaft sleeve part 10B of punching press wheel hub 10; If with screwing togather in retaining element 12 and the live axle 5 from the outstanding screw section 5a of the shaft sleeve part 10B of punching press wheel hub 10; And this retaining element 12 of screwing, just then impeller 3 all is installed on the live axle 5 via punching press wheel hub 10, and as aforementioned; D font through live axle 5 eliminates agreeing with of the D font hole 10a of portion on the 5a of portion and the shaft sleeve part 10B that has been formed at punching press wheel hub 10, prevents that positively impeller 3 from turning round with respect to live axle 5.In addition, on retaining element 12, be carved with reverse thread, the direction of screwing of this screw thread is consistent with the gyratory directions of live axle 5.
As above-mentioned, in shell 2, be mounted to impeller 3 on the live axle 5 of electric motor 4 after, air inlet ring 6 is installed on the intakeport 2a periphery of shell 2, to accomplish all assembling operations.
Then; If turn round driving live axle 5 with fixing speed through the driving of electric motor 4; Then be installed in the impeller 3 on this live axle 5 via punching press wheel hub 10; In shell 2, also turn round with same speed, and according to the revolution of this impeller 3, while the guiding that makes air receive air inlet ring 6 is imported in the impeller 3 from the intakeport 2a of shell 2; Supplying with kinergeties from impeller 3 gives this air and makes after air boosts; The outside of direction emits towards the footpath around impeller 3 with this air to utilize centrifugal force, and via the scroll stream in the shell 2 air is expelled to not shown guide duct etc. from the discharge opening 2b of shell 2, carries out the ventilation of indoor grade thus.
As stated; In this example; Between the cylindrical part 10b of inner D font hole 10a of portion of the shaft sleeve part 10B that is formed at punching press wheel hub 10 and shaft sleeve part 10B; Formed the guide portion 10c of inclined plane shape; Therefore even both stagger in a circumferential direction when live axle 5 inserts shaft sleeve part 10B, so that the D font hole 10a of portion of shaft sleeve part 10B eliminates in the absence of the 5a of portion inconsistent (aligning) with the D font of live axle 5, also can be and be formed at the circumferential locations of revising this live axle 5 of agreeing with of inclined plane shape guide portion 10c on the shaft sleeve part 10B of punching press wheel hub 10 through the front end of live axle 5; And the D font of live axle 5 is eliminated the D font hole 10a of portion that the 5a of portion is directed to punching press wheel hub 10, make both consistent.Therefore; Can easily live axle 5 be inserted in the punching press wheel hub 10; Improve the assembling performance of impeller 3; And eliminate agreeing with of the 5a of portion through the D font hole 10a of portion on the shaft sleeve part 10B that is formed at punching press wheel hub 10 and the D font of live axle 5, prevent that positively punching press wheel hub 10 and impeller 3 from turning round with respect to live axle 5.
Again; In this example, be the part distortion that makes the shaft sleeve part 10B of punching press wheel hub 10 through punch process, form recess 10D thus; And at the inside of shaft sleeve part 10B formation D font hole 10a of portion and guide portion 10c; Therefore do not need anti-rotary part and machining, and cut down number of spare parts and processing number of times, to seek the reduction of cost as other part.And, of this example, if constitute punching press wheel hub 10 and live axle 5, then can both difference on toughness be suppressed for less, and cut down cost of material and processing cost with metal, also can seek the reduction of punching press wheel hub 10 costs thus.
In addition; More than though the form that the utility model is applicable to the punching press wheel hub of one-sided inhalation type sirocco fan has been described especially, the utility model also can likewise be applicable to the punching press wheel hub of the fan beyond punching press wheel hub and other sirocco fan of both sides inhalation type sirocco fan certainly.
Claims (1)
1. a fan is used the punching press wheel hub; Be the part that is mounted on the fan, integrally formed by punch process, it has discoideus lip part and shaft sleeve part cylindraceous; Said shaft sleeve part from the center of this lip part towards extending out integratedly perpendicular to the direction of flange surface; And through inserting and running through the live axle in this shaft sleeve part and be installed on the retaining element on this live axle, be installed on the above-mentioned live axle with the mode that can freely load and unload, it is characterized in that with said fans:
In the part of above-mentioned shaft sleeve part, form D font hole portion, and between the cylindrical part of this D font hole portion and this shaft sleeve part, being used for of formation inclined plane shape guided the guide portion of the insertion of above-mentioned live axle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010202671A JP5758600B2 (en) | 2010-09-10 | 2010-09-10 | Fan press hub |
| JP2010-202671 | 2010-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209307U true CN202209307U (en) | 2012-05-02 |
Family
ID=45883484
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203511405U Expired - Lifetime CN202209307U (en) | 2010-09-10 | 2011-09-09 | Stamping hub for fan |
| CN201110281359.7A Active CN102400953B (en) | 2010-09-10 | 2011-09-09 | Stamping hub for fan |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110281359.7A Active CN102400953B (en) | 2010-09-10 | 2011-09-09 | Stamping hub for fan |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5758600B2 (en) |
| CN (2) | CN202209307U (en) |
| HK (1) | HK1165846A1 (en) |
| TW (1) | TWI565879B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400953A (en) * | 2010-09-10 | 2012-04-04 | 东普雷股份有限公司 | Stamping wheel hub for fan |
| CN107061352A (en) * | 2016-02-10 | 2017-08-18 | 日立江森自控空调有限公司 | Pressure fan |
| CN109469644A (en) * | 2018-12-29 | 2019-03-15 | 宁波朗迪叶轮机械有限公司 | Axial-flow leaf |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101389331B1 (en) * | 2012-04-03 | 2014-04-29 | 전범수 | Sirocco fan |
| CN104564845B (en) * | 2013-10-11 | 2017-07-21 | 英业达科技有限公司 | Fixture and its fan structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6086063U (en) * | 1983-11-15 | 1985-06-13 | 株式会社東芝 | Rotating electric machine fan mounting device |
| JPS63105799U (en) * | 1986-12-26 | 1988-07-08 | ||
| JPH02139397U (en) * | 1989-04-27 | 1990-11-21 | ||
| JPH08247089A (en) * | 1995-03-14 | 1996-09-24 | Toshiba Corp | Ventilation fan installation device |
| JP3924912B2 (en) * | 1998-04-10 | 2007-06-06 | 株式会社デンソー | Blower |
| JP2002039095A (en) * | 2000-07-27 | 2002-02-06 | Topre Corp | Press hub for sirocco fan |
| JP5758600B2 (en) * | 2010-09-10 | 2015-08-05 | 東プレ株式会社 | Fan press hub |
-
2010
- 2010-09-10 JP JP2010202671A patent/JP5758600B2/en active Active
-
2011
- 2011-09-09 TW TW100132763A patent/TWI565879B/en active
- 2011-09-09 CN CN2011203511405U patent/CN202209307U/en not_active Expired - Lifetime
- 2011-09-09 CN CN201110281359.7A patent/CN102400953B/en active Active
-
2012
- 2012-05-31 HK HK12105334.0A patent/HK1165846A1/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400953A (en) * | 2010-09-10 | 2012-04-04 | 东普雷股份有限公司 | Stamping wheel hub for fan |
| CN102400953B (en) * | 2010-09-10 | 2016-06-29 | 东普雷股份有限公司 | Stamping hub for fan |
| CN107061352A (en) * | 2016-02-10 | 2017-08-18 | 日立江森自控空调有限公司 | Pressure fan |
| CN107061352B (en) * | 2016-02-10 | 2019-04-19 | 日立江森自控空调有限公司 | Pressure fan |
| CN109469644A (en) * | 2018-12-29 | 2019-03-15 | 宁波朗迪叶轮机械有限公司 | Axial-flow leaf |
| CN109469644B (en) * | 2018-12-29 | 2020-07-31 | 宁波朗迪叶轮机械有限公司 | Axial flow fan blade |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1165846A1 (en) | 2012-10-12 |
| TWI565879B (en) | 2017-01-11 |
| TW201211396A (en) | 2012-03-16 |
| CN102400953B (en) | 2016-06-29 |
| JP2012057564A (en) | 2012-03-22 |
| CN102400953A (en) | 2012-04-04 |
| JP5758600B2 (en) | 2015-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |