CN104976144A - Fan and motor protection cover thereof - Google Patents
Fan and motor protection cover thereof Download PDFInfo
- Publication number
- CN104976144A CN104976144A CN201410147825.6A CN201410147825A CN104976144A CN 104976144 A CN104976144 A CN 104976144A CN 201410147825 A CN201410147825 A CN 201410147825A CN 104976144 A CN104976144 A CN 104976144A
- Authority
- CN
- China
- Prior art keywords
- shell fragment
- protecting cover
- elasticity
- motor protecting
- card column
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fan is used for solving the problem that an original motor protection cover is liable to disengage from a fan frame base after being used for period of time. The fan comprises a fan frame internally provided with a base, a stator arranged on the base, a fan wheel rotationally arranged on the stator, and a motor protection cover, wherein the motor protection cover is provided with a first end and a second end which are opposite in the axial direction, and a buckle part, a combining face and an elastic abutting part are arranged at the first end of the motor protection cover. The elastic abutting part provides axial elastic tension, and the buckle part and the base of the fan frame are closely combined.
Description
Technical field
The invention relates to a kind of fan and motor protecting cover thereof, especially a kind of fan that radiating effect can be provided thermal source when operating, and the motor protecting cover being firmly incorporated into fan frame pedestal can be maintained.
Background technique
Please refer to Fig. 1, it is a kind of existing fan 9, and this existing fan 9 comprises fan frame 91, stator 92, rotor 93, protective cover 94 and a circuit board 95; This fan frame 91 is provided with a base 911; this base 911 is located at by this stator 92; this stator 92 is rotatably located at by this rotor 93; this protective cover 94 coordinates an O-ring seal R to be incorporated into the madial wall of this ringwall 912 in base 911 ground, and this circuit board 95 is located in the space that this protective cover 94 and this base 911 form.An embodiment of this existing fan 9 has been exposed in TaiWan, China and has announced in the middle of No. M382382 " fan and stator module and waterproof construction " thereof Patent Case.
Just; when this existing fan 9 is assembled, additionally need add that an O-ring seal R this protective cover 94 of could arranging in pairs or groups uses, make the spare part of this existing fan 9 various; cause manufacture cost and handling of goods and materials high expensive, more cause assembling inconvenience and be difficult to promote the problem of packaging efficiency.On the other hand; protective cover 94 due to this existing fan 9 only tightly fits in the madial wall of the ringwall 912 of this base 911 by sealing cushion rubber R; and sealing cushion rubber R is limited to the characteristic of material; can go bad gradually with service time so that follow the string; therefore this fan 9 is normal in use for some time; because sealing cushion rubber R cannot maintain the madial wall being tight against this ringwall 912; this protective cover 94 is caused easily to come off from this base 911; thus the derivative maintenance action need making regular check on, change O-ring seal R, cause the use inconvenience of this existing fan 9 and high maintenance cost.Moreover, if lose under the situation that this protective cover 94 is not discovered user, not only need separately to buy more a new protective cover 94 so that improve maintenance cost, more can before new protective cover 94 be reinstalled this base 911, this fan 9 is operated under more easily damaged state, if occur as the situation such as clashed into, the circuit board 95 of this fan 9 of possible coup injury, rotor 93 or stator 92, thus the maintenance cost of derivative more great number, or even cause this fan 9 serious damage to keep in repair, shorten the working life of this existing fan 9, therefore existing fan 9 still has the necessity improved really.
Summary of the invention
The object of the present invention is to provide a kind of fan, there is less fan spare part, its motor protecting cover other spare parts of need not additionally arranging in pairs or groups can be assembled to fan frame, to reduce manufacture cost, reduce handling of goods and materials cost, promote assembling convenience and promote packaging efficiency.
Time object of the present invention is to provide a kind of fan, and its motor protecting cover can firmly be assembled to fan frame, and durable use and not getting loose, destroy the important component of fan to guarantee foreign matter to enter, reach the effect extending fan working life.
Another object of the present invention is to provide a kind of fan, the situation that its motor protecting cover not easily gets loose and loses, and does not more need the spare part regularly replaced, to promote convenience of use and significantly to reduce maintenance cost.
For reaching aforementioned object, the technology contents that the present invention used includes:
A kind of fan, comprises: a fan frame, and inside is provided with a pedestal; A stator, is located at this pedestal; An impeller, is rotatably located at this stator; And a motor protecting cover, there is axially a relative first end and second end, the first end of this motor protecting cover is provided with a clamping part, a junction plane and an elasticity and supports a portion, this elasticity is supported a portion and is provided axial elasticity tension force, and the pedestal of this clamping part and this fan frame is combined closely.
Wherein, this pedestal is provided with a fastening part, and the clamping part of this motor protecting cover comprises a card column and a grab, and the free end of this card column is located at by this grab, and this grab clip is in conjunction with the fastening part of this pedestal.
Wherein, this junction plane is located at the ring periphery of the first end of this motor protecting cover, and this junction plane is provided with a clamping flange, and this clamping flange is connected to inner peripheral surface or the outer circumferential face of this base bottom, and the card column of this clamping part is located at this clamping flange.
Wherein, this junction plane is connected to the bottom end face of this pedestal, and this elasticity supports the free end that a portion is integrally formed in this card column.
Wherein, this elasticity supports the free end that a portion is located at this card column, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, the first end of this first shell fragment connects the free end end face of this card column, the joint of this first shell fragment and this card column has a first horizontal-extending line, second end of this first shell fragment is free end, this first shell fragment is tilted to extend, to form first deformation space between second end and this first horizontal-extending line of this first shell fragment to the second end by this first end.Again, this elasticity supports a portion separately can comprise second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects the free end end face of this card column, the joint of this second shell fragment and this card column has a second horizontal-extending line, second end of this second shell fragment is free end, and this second shell fragment is tilted to extend, to form second deformation space between second end and this second horizontal-extending line of this second shell fragment to the second end by this first end.
Wherein, this pedestal is separately provided with an abutting part, this stator pack is containing a circuit board, a surface of this circuit board is connected to the abutting part of this pedestal, this elasticity supports another surface that a portion abuts this circuit board, make this first shell fragment and the second shell fragment stressed to produce resiliently deformable by the second end respectively, this junction plane is connected to the bottom end face of this pedestal.
Wherein, this elasticity is supported a portion and is integrally formed in this junction plane, and this elasticity supports the bottom end face that a portion is connected to this pedestal.
Wherein, this elasticity is supported a portion and is located at this junction plane, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, the first end of this first shell fragment connects this junction plane, second end of this first shell fragment is free end, and this first shell fragment is tilted to extend, to form first deformation space between second end and this junction plane of this first shell fragment to the second end by this first end.Again, this elasticity supports a portion separately can comprise second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects this junction plane, second end of this second shell fragment is free end, this second shell fragment is tilted to extend, to form second deformation space between second end and this junction plane of this second shell fragment to the second end by this first end.
Wherein, this pedestal is provided with a fastening part and an abutting part, the clamping part of this motor protecting cover comprises a card column and a grab, the free end of this card column is located at by this grab, this grab clip is in conjunction with the fastening part of this pedestal, this stator pack is containing a circuit board, a surface of this circuit board is connected to the abutting part of this pedestal, the free end of this card column abuts another surface of this circuit board, this elasticity supports the bottom end face that a portion is connected to this pedestal, makes this first shell fragment and the second shell fragment stressed to produce resiliently deformable by the second end respectively.
Wherein, this junction plane is located at the ring periphery of the first end of this motor protecting cover, and this junction plane is provided with a clamping flange, and the card column of this clamping part is located at this clamping flange; This first shell fragment and the second shell fragment are all greater than the crow flight distance of this clamping flange to this motor protecting cover center to the crow flight distance at this motor protecting cover center, this first shell fragment and the second shell fragment abut the bottom end face of this pedestal, and this clamping flange is connected to the inner peripheral surface of this base bottom.
Wherein, the second end end face of this first shell fragment and the second end end face of this second shell fragment can be positioned at same level height.Again, this first shell fragment and the second shell fragment can be symmetrical set.Again, the distance between the first end of this first shell fragment and the second shell fragment can be less than the distance between the second end of this first shell fragment and the second shell fragment, makes this first deformation space and the second deformation space lay respectively at two sides of this first shell fragment and the second shell fragment; Or the distance between the first end of this first shell fragment and the second shell fragment can be greater than the distance between the second end of this first shell fragment and the second shell fragment, make this first deformation space and the second deformation space between this first shell fragment and the second shell fragment.
Wherein, this elasticity supports the free end that a portion is located at this card column, this elasticity comprises one to a portion and supports post, this supports post and has a first end and second end, this first end supporting post connects the free end end face of this card column, this second end supporting post is free end, and this support post by this first end to the second end in axially extending.
Wherein, this pedestal is separately provided with an abutting part, and this stator pack is containing a circuit board, and a surface of this circuit board is connected to the abutting part of this pedestal, the second end contact that another surface of this circuit board supports post by this is located, and this junction plane is connected to the bottom end face of this pedestal.
Wherein, this circuit board establishes a positioning hole towards the surface of this motor protecting cover, and this positioning hole is blind hole shape, and the degree of depth of this positioning hole is less than the length that this supports post, and this second end supporting post penetrates in this positioning hole.
The present invention separately provides a kind of motor protecting cover of fan, there is axially a relative first end and second end, the first end of this motor protecting cover is provided with a clamping part, a junction plane and an elasticity and supports a portion, and this elasticity is supported a portion and provided axial elasticity tension force.
Accordingly, fan of the present invention has less fan spare part, and its motor protecting cover other spare parts of need not additionally arranging in pairs or groups can be assembled to fan frame, to reduce manufacture cost, reduce handling of goods and materials cost, promote assembling convenience and promote packaging efficiency.Again, this motor protecting cover can firmly be assembled to fan frame, and durable use and not getting loose, destroy the important component of fan to guarantee foreign matter to enter, reach the effect extending fan working life.And the situation that this motor protecting cover not easily gets loose and loses, does not more need the spare part regularly replaced, to promote convenience of use and significantly to reduce maintenance cost.
Accompanying drawing explanation
Fig. 1: structural representation is cutd open in the side of existing fan.
Fig. 2: structural representation is cutd open in the side of first embodiment of the invention.
Fig. 3: the perspective view of the motor protecting cover of first embodiment of the invention.
Fig. 4: the fragmentary front structural representation of the motor protecting cover of first embodiment of the invention.
Fig. 5: structural representation is cutd open in the side of second embodiment of the invention.
Fig. 6: the perspective view of the motor protecting cover of second embodiment of the invention.
Fig. 7: the fragmentary front structural representation of the motor protecting cover of second embodiment of the invention.
Fig. 8: structural representation is cutd open in the side of third embodiment of the invention.
Fig. 9: the perspective view of the motor protecting cover of third embodiment of the invention.
1 fan frame 11 side wall
111 first ventilated port 112 second ventilated ports
12 pedestal 121 axis parts
122 fastening part 123 abutting parts
124 locating column 13 links
2 stator 21 driven units
22 central siphon 23 circuit boards
231 perforation 232 positioning holes
3 impeller 31 rotating shafts
32 wheel hub 33 flabellums
34 magnetic elements
4 motor protecting cover 4a first ends
4b second end 41 clamping part
411 card column 412 grabs
42 junction plane 421 clamping flanges
43 elasticity support portion 431 first shell fragment
431a first end 431b second end
432 second shell fragment 432a first ends
432b second end 44 elasticity supports a portion
441 first shell fragment 441a first ends
441b second end 442 second shell fragment
442a first end 442b second end
45 elasticity are supported a portion 451 and are supported post
451a first end 451b second end
L1 first horizontal-extending line L2 second horizontal-extending line
S1, S3 first deformation space S2, S4 second deformation space
(commonly using)
Frame fanned by 9 fans 91
911 base 912 ringwalls
92 stator 93 rotors
94 protective cover 95 circuit boards
R O-ring seal.
Embodiment
For the above-mentioned and other object of the present invention, feature and advantage can be become apparent, the preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to Fig. 2, it is the first embodiment of fan of the present invention, this fan comprises fan frame 1, stator 2, impeller 3 and a motor protecting cover 4 haply, this stator 2, impeller 3 and motor protecting cover 4 are all located in this fan frame 1, this stator 2 orders about this impeller 3 and rotates and produce air-flow, this motor protecting cover 4 is incorporated into this fan frame 1, destroys the important component of this fan in order to prevent foreign matter from entering; Wherein, this fan can be the form such as axial flow fan or blast type fan, though lifting axial flow fan below the present invention is that example is described, not as limit.
This fan frame 1 is the hollow frame structure that can import and derive air-flow, in an embodiment as illustrated in figure 2, this fan frame 1 comprises a side wall 11 and a pedestal 12, and this side wall 11 is provided with first ventilated port 111 and second ventilated port 112, passes in and out the space of this side wall 11 inside for air-flow; This pedestal 12 is located at the inside of this side wall 11, and this pedestal 12 can be selected to be interconnected with this side wall 11 by several link 13, and this link 13 can be the structure such as stator blade or rib.In detail, this pedestal 12 is provided with an axis part 121 and a fastening part 122, and this axis part 121 can extend towards this first ventilated port 111, and the center of this axis part 121 has a spin axis, to define axis when this impeller 3 rotates; This fastening part 122 is located at the end of this pedestal 12 this second ventilated port 112 comparatively contiguous, combines for this motor protecting cover 4 clip.Separately, in the present embodiment, this pedestal 12 can also be provided with an abutting part 123 and a locating column 124, this abutting part 123 is located at the inner side that this pedestal 12 connects the position of this link 13, a shoulder is formed by difference in internal diameters, this locating column 124 is located at the bottom of this axis part 121, and extends towards this second ventilated port 112.
This stator 2 comprises a driven unit 21, and this driven unit 21 is the various structural designs that above-mentioned impeller 3 can be driven to rotate, and the kenel of this driven unit 21 is not particularly limited.This driven unit 21 directly can be incorporated into the outer circumferential face of this axis part 121; Or, shown in as graphic in the present embodiment, a central siphon 22 is located at the axis part 121 of this pedestal 12, supplies this driven unit 21 in conjunction with location by this central siphon 22; Or this driven unit 21 also directly can be incorporated into other suitable positions of this pedestal 12, and the present invention is not all limited.Separately, this stator 2 can also comprise a circuit board 23, this circuit board 23 is provided with a perforation 231, this circuit board 23 is connected to the abutting part 123 of this pedestal 12, and run through this perforation 231 by this locating column 124, and the free end of this locating column 124 of hot melt, make this circuit board 23 be firmly incorporated into this pedestal 12.
This impeller 3 is located at the inside of this side wall 11 and is rotatably located at this stator 2; In detail, this impeller 3 connects a wheel hub 32 by a rotating shaft 31 and is rotatably located in the central siphon 22 of this stator 2, several flabellums 33 are located on the outer rim of this wheel hub 32, magnetic element 34 be located at this wheel hub 32 internal surface and towards the driven unit 21 of this stator 2, to produce magnetic action by by excitatory driven unit 21 with this magnetic element 34, cause this impeller 3 to produce relative to this fan frame 1 and rotate.
Please refer to Fig. 2,3; this motor protecting cover 4 has an a first end 4a and axially relative second end 4b; the first end 4a of this motor protecting cover 4 is provided with a clamping part 41; this motor protecting cover 4 is bonded to the fastening part 122 of this pedestal 12 by this clamping part 41 clip; to be closed the bottom of this pedestal 12 by this motor protecting cover 4; avoid foreign matter to enter from the bottom of this pedestal 12, thus protect the component of this pedestal 12 inside to be damaged.In the present embodiment, this clamping part 41 comprises a card column 411 and a grab 412, one end of this card column 411 connects the first end 4a of this motor protecting cover 4, and the other end (free end) of this card column 411 is located at by this grab 412, with by the fastening part 122 of this grab 412 clip in conjunction with this pedestal 12.
Again, the first end 4a of this motor protecting cover 4 is also provided with a junction plane 42, this junction plane 42 is located at the ring periphery of the first end 4a of this motor protecting cover 4, and this junction plane 42 separately can be provided with a clamping flange 421, and the card column 411 of this clamping part 41 can be selected to be located at this clamping flange 421; When this motor protecting cover 4 is bonded to this pedestal 12, this junction plane 42 can be connected to the bottom end face of this pedestal 12, this clamping flange 421 can be connected to inner peripheral surface bottom this pedestal 12 or outer circumferential face, the bonded area between this motor protecting cover 4 and this pedestal 12 can be increased, promote therebetween in conjunction with stability.
Wherein, because this motor protecting cover 4 and this pedestal 12 all have the tolerance of size of manufacture, therefore only also cannot guarantee that this motor protecting cover 4 can be combined closely with this pedestal 12 by this clamping part 41 and junction plane 42, therefore this motor protecting cover 4 is separately provided with an elasticity to a portion 43 in this first end 4a, support a portion 43 by this elasticity and provide axial elasticity tension force, so as to promoting the bonding tightness between this motor protecting cover 4 and this pedestal 12.
Please refer to Fig. 3,4, in the present embodiment, this elasticity supports a portion 43 can select the free end being located at this card column 411, this elasticity is supported a portion 43 and is comprised first shell fragment 431 and second shell fragment 432, this first shell fragment 431 has an a first end 431a and second end 431b, the first end 431a of this first shell fragment 431 connects the free end end face of this card column 411, and this first shell fragment 431 has a first horizontal-extending line L1 with the joint of this card column 411; Second end 431b of this first shell fragment 431 is free end, and this first shell fragment 431 is tilted to extend to the second end 431b by this first end 431a, to form a first deformation space S1 between the second end 431b and this first horizontal-extending line L1 of this first shell fragment 431, when the second end 431b for this first shell fragment 431 is stressed, resiliently deformable can be produced in this first deformation space S1.Similarly, this second shell fragment 432 has an a first end 432a and second end 432b, the first end 432a of this second shell fragment 432 connects the free end end face of this card column 411, and this second shell fragment 432 has a second horizontal-extending line L2 with the joint of this card column 411; Second end 432b of this second shell fragment 432 is free end, and this second shell fragment 432 is tilted to extend to the second end 432b by this first end 432a, to form a second deformation space S2 between the second end 432b and this second horizontal-extending line L2 of this second shell fragment 432, when the second end 432b for this second shell fragment 432 is stressed, resiliently deformable can be produced in this second deformation space S2.
Wherein, this first shell fragment 431 and the second shell fragment 432 is better is symmetrical set, and the second end 432b end face of the second end 431b end face of this first shell fragment 431 and this second shell fragment 432 is better is positioned at same level height.Again, the distance between first end 431a, 432a of this first shell fragment 431 and the second shell fragment 432 is less than the distance between second end 431b, 432b of this first shell fragment 431 and the second shell fragment 432, makes this first deformation space S1 and the second deformation space S2 lay respectively at two sides of this first shell fragment 431 and the second shell fragment 432; Or, the distance between first end 431a, 432a of this first shell fragment 431 and the second shell fragment 432 is greater than the distance between second end 431b, 432b of this first shell fragment 431 and the second shell fragment 432, make this first deformation space S1 and the second deformation space S2 between this first shell fragment 431 and the second shell fragment 432, the present invention is not all limited.
Referring again to Fig. 2, according to by aforementioned structure, time bottom the pedestal 12 that this motor protecting cover 4 is assembled to this fan frame 1, this motor protecting cover 4 is except being bonded to the fastening part 122 of this pedestal 12 by this clamping part 41 clip, and be connected to outside the bottom end face of this pedestal 12 by this junction plane 42, the elasticity being located at this card column 411 free end more can abut this circuit board 23 further to a portion 43, make this first shell fragment 431 and the second shell fragment 432 respectively by the second end 431b, 432b is stressed to produce resiliently deformable, thus disappear between component because of gap that tolerance of size causes by the axial elasticity tension force that this elasticity is supported portion 43 and provided, make this elasticity support a portion 43 and be closely against this circuit board 23, guarantee that this motor protecting cover 4 maintains firm combination with this pedestal 12.
Therefore the major character of first embodiment of the invention is: support portion 43 by this elasticity and replace O-ring seal R(that existing collocation protective cover 94 uses as shown in Figure 1).Accordingly; supporting a portion 43 due to this elasticity can be integrally formed on this clamping part 41 when manufacturing this motor protecting cover 4; as long as therefore assembling time this single spare part of this motor protecting cover 4 is assembled to this pedestal 12; additionally need add that an O-ring seal R could use compared to existing protective cover 94; fan of the present invention not only spare part is less; make manufacture cost and handling of goods and materials cost lower, more help promote assembling time convenience and efficiency.The more important thing is, because this elasticity supports the working life of the material (metal or plastic cement) in a portion 43 much larger than O-ring seal R, therefore the motor protecting cover 4 of fan of the present invention firmly can be assembled in this pedestal 12, and durable use and not getting loose, really the bottom of this pedestal 12 can be closed by this motor protecting cover 4, guarantee that foreign matter cannot enter from the bottom of this pedestal 12 and destroy the component of this pedestal 12 inside, reach the effect extending this fan working life.Again and, the situation that the motor protecting cover 4 of fan of the present invention not easily gets loose and loses, does not more need the spare part regularly replaced, therefore often need not overhaul and help lifting convenience of use, more significantly can reduce maintenance cost.
Please refer to Fig. 5,6, it is the second embodiment of fan of the present invention, and this embodiment is same as aforementioned first embodiment haply, and its difference is mainly the motor protecting cover 4 of this fan; That is, this motor protecting cover 4 is provided with an elasticity in this first end 4a and supports a portion 44, and selects this elasticity to be located at this junction plane 42 to a portion 44 in the present embodiment.
In detail, please refer to Fig. 6,7, this elasticity is supported a portion 44 and is comprised first shell fragment 441 and second shell fragment 442, and this first shell fragment 441 has an a first end 441a and second end 441b, and the first end 441a of this first shell fragment 441 connects this junction plane 42; Second end 441b of this first shell fragment 441 is free end, and this first shell fragment 441 is tilted to extend to the second end 441b by this first end 441a, to form a first deformation space S3 between the second end 441b and this junction plane 42 of this first shell fragment 441, when the second end 441b for this first shell fragment 441 is stressed, resiliently deformable can be produced in this first deformation space S3.Similarly, this second shell fragment 442 has an a first end 442a and second end 442b, and the first end 442a of this second shell fragment 442 connects this junction plane 42; Second end 442b of this second shell fragment 442 is free end, and this second shell fragment 442 is tilted to extend to the second end 442b by this first end 442a, to form a second deformation space S4 between the second end 442b and this junction plane 42 of this second shell fragment 442, when the second end 442b for this second shell fragment 442 is stressed, resiliently deformable can be produced in this second deformation space S4.
Wherein, this first shell fragment 441 and the second shell fragment 442 is better is symmetrical set, and the second end 442b end face of the second end 441b end face of this first shell fragment 441 and this second shell fragment 442 is better is positioned at same level height.Again, the distance between first end 441a, 442a of this first shell fragment 441 and the second shell fragment 442 is less than the distance between second end 441b, 442b of this first shell fragment 441 and the second shell fragment 442, makes this first deformation space S3 and the second deformation space S4 lay respectively at two sides of this first shell fragment 441 and the second shell fragment 442; Or, the distance between first end 441a, 442a of this first shell fragment 441 and the second shell fragment 442 is greater than the distance between second end 441b, 442b of this first shell fragment 441 and the second shell fragment 442, make this first deformation space S3 and the second deformation space S4 between this first shell fragment 441 and the second shell fragment 442, the present invention is not all limited.Separately, this first shell fragment 441 and the second shell fragment 442 all can be greater than the crow flight distance of this clamping flange 421 to this motor protecting cover 4 center to the crow flight distance at this motor protecting cover 4 center, to be abutted the bottom end face of this pedestal 12 by this first shell fragment 441 and the second shell fragment 442, and be connected to the inner peripheral surface bottom this pedestal 12 by this clamping flange 421.
Referring again to Fig. 5, according to by aforementioned structure, time bottom the pedestal 12 that this motor protecting cover 4 is assembled to this fan frame 1, this motor protecting cover 4 can be bonded to the fastening part 122 of this pedestal 12 by this clamping part 41 clip, and support by the elasticity being located at this junction plane 42 bottom end face that a portion 44 is connected to this pedestal 12, make this first shell fragment 441 and the second shell fragment 442 respectively by the second end 441b, 442b is stressed to produce resiliently deformable, thus disappear between component because of gap that tolerance of size causes by the axial elasticity tension force that this elasticity is supported portion 44 and provided, and the free end of this card column 411 is abutted to this circuit board 23, to guarantee that this motor protecting cover 4 maintains firm combination with this pedestal 12.
Be with; the major character of second embodiment of the invention is: support portion 44 by this elasticity and replace O-ring seal R(that existing collocation protective cover 94 uses as shown in Figure 1); and in time manufacturing this motor protecting cover 4; this elasticity is supported a portion 44 to be integrally formed on this junction plane 42, to reach multi-efficiency as identical in aforementioned first embodiment.
Please refer to Fig. 8,9, it is the 3rd embodiment of fan of the present invention, and this embodiment is same as aforementioned first embodiment haply, and its difference is mainly still the motor protecting cover 4 of this fan; Namely, this motor protecting cover 4 is provided with an elasticity in this first end 4a and supports a portion 45, this elasticity supports the free end that a portion 45 is located at this card column 411, and select in the present embodiment to make this elasticity comprise an axially extended post 451 that supports to a portion 45, so as to further simplifying the structure of this motor protecting cover 4, helping and promoting manufacture convenience.
In detail, the post 451 that supports that this elasticity supports a portion 45 has an a first end 451a and second end 451b, this first end 451a supporting post 451 connects the free end end face of this card column 411, this second end 451b supporting post 451 is free end, and this support post 451 by this first end 451a to the second end 451b in axially extending, therefore this support the second end 451b of post 451 stressed time, this supports post 451 can produce axial deformation a little.
When assembling this fan, a surface of the circuit board 23 of this stator 2 can be connected to the abutting part 123 of this pedestal 12, and when this motor protecting cover 4 is assembled to bottom this pedestal 12, the fastening part 122 of this pedestal 12 is bonded to by clamping part 41 clip of this motor protecting cover 4, and the bottom end face of this pedestal 12 is connected to by this junction plane 42, separately support a portion 45 by the elasticity being located at this card column 411 free end and abut this circuit board 23; In other words, the second end 451b contact that another surface of this circuit board 23 can support post 451 by this is located.Wherein, better selection establishes a positioning hole 232 from this circuit board 23 towards the surface of this motor protecting cover 4, this positioning hole 232 is in blind hole shape, and the degree of depth of this positioning hole 232 is less than the length that this supports post 451, penetrate in this positioning hole 232 with the second end 451b being supported post 451 by this, reach the effect that more stable contact locates this circuit board 23.
Accordingly, abutting can be stressed to produce distortion by its second end 451b to the post 451 that supports of this circuit board 23, thus disappear between component because of gap that tolerance of size causes by the axial elasticity tension force that this elasticity is supported portion 45 and provided, make this elasticity support a portion 45 and be closely against this circuit board 23, guarantee that this motor protecting cover 4 maintains firm combination with this pedestal 12.
On the other hand, jointly location is abutted with the abutting part 123 of this pedestal 12 because this circuit board 23 can support a portion 45 by this elasticity, therefore the locating column 124(of this pedestal 12 is as shown in Figure 2) can be omitted, the structure of this pedestal 12 is made more to simplify so that outside manufacturing, also can omit the step of this locating column 124 of hot melt during assembling completely, help and simplify number of assembling steps and promote packaging efficiency.Be worth mentioning and be, the motor protecting cover 4 of aforementioned first embodiment is assembled to the pedestal 12 of the present embodiment, also can reaches identical effect.
In sum, fan of the present invention, has less fan spare part, and its motor protecting cover other spare parts of need not additionally arranging in pairs or groups can be assembled to fan frame, to reduce manufacture cost, reduce handling of goods and materials cost, promote assembling convenience and promote packaging efficiency.
Fan of the present invention, its motor protecting cover can firmly be assembled to fan frame, and durable use and not getting loose, destroy the important component of fan to guarantee foreign matter to enter, reach the effect extending fan working life.
Fan of the present invention, the situation that its motor protecting cover not easily gets loose and loses, does not more need the spare part regularly replaced, to promote convenience of use and significantly to reduce maintenance cost.
Claims (34)
1. a fan, is characterized in that, it comprises:
A fan frame, inside is provided with a pedestal;
A stator, is located at this pedestal;
An impeller, is rotatably located at this stator; And
A motor protecting cover, there is axially a relative first end and second end, the first end of this motor protecting cover is provided with a clamping part, a junction plane and an elasticity and supports a portion, and this elasticity is supported a portion and provided axial elasticity tension force, and the pedestal of this clamping part and this fan frame is combined closely.
2. fan according to claim 1, is characterized in that, this pedestal is provided with a fastening part, and the clamping part of this motor protecting cover comprises a post and a grab, and the free end of this card column is located at by this grab, and this grab clip is in conjunction with the fastening part of this pedestal.
3. fan according to claim 2, it is characterized in that, this junction plane is located at the ring periphery of the first end of this motor protecting cover, and this junction plane is provided with a clamping flange, this clamping flange is connected to inner peripheral surface or the outer circumferential face of this base bottom, and the card column of this clamping part is located at this clamping flange.
4. fan according to claim 2, is characterized in that, this junction plane is connected to the bottom end face of this pedestal, and this elasticity supports the free end that a portion is integrally formed in this card column.
5. fan according to claim 2, it is characterized in that, this elasticity supports the free end that a portion is located at this card column, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, the first end of this first shell fragment connects the free end end face of this card column, the joint of this first shell fragment and this card column has a first horizontal-extending line, second end of this first shell fragment is free end, this first shell fragment is tilted to extend to the second end by this first end, to form first deformation space between second end and this first horizontal-extending line of this first shell fragment.
6. fan according to claim 5, it is characterized in that, this elasticity is supported a portion and is separately comprised second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects the free end end face of this card column, the joint of this second shell fragment and this card column has a second horizontal-extending line, second end of this second shell fragment is free end, this second shell fragment is tilted to extend, to form second deformation space between second end and this second horizontal-extending line of this second shell fragment to the second end by this first end.
7. fan according to claim 6, it is characterized in that, this pedestal is separately provided with an abutting part, this stator pack is containing a circuit board, a surface of this circuit board is connected to the abutting part of this pedestal, this elasticity supports another surface that a portion abuts this circuit board, and make this first shell fragment and the second shell fragment stressed to produce resiliently deformable by the second end respectively, this junction plane is connected to the bottom end face of this pedestal.
8. fan according to claim 1, is characterized in that, this elasticity is supported a portion and is integrally formed in this junction plane, and this elasticity supports the bottom end face that a portion is connected to this pedestal.
9. fan according to claim 1, it is characterized in that, this elasticity is supported a portion and is located at this junction plane, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, and the first end of this first shell fragment connects this junction plane, and the second end of this first shell fragment is free end, this first shell fragment is tilted to extend, to form first deformation space between second end and this junction plane of this first shell fragment to the second end by this first end.
10. fan according to claim 9, it is characterized in that, this elasticity is supported a portion and is separately comprised second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects this junction plane, second end of this second shell fragment is free end, and this second shell fragment is tilted to extend, to form second deformation space between second end and this junction plane of this second shell fragment to the second end by this first end.
11. fans according to claim 10, it is characterized in that, this pedestal is provided with a fastening part and an abutting part, the clamping part of this motor protecting cover comprises a card column and a grab, the free end of this card column is located at by this grab, this grab clip is in conjunction with the fastening part of this pedestal, this stator pack is containing a circuit board, a surface of this circuit board is connected to the abutting part of this pedestal, the free end of this card column abuts another surface of this circuit board, this elasticity supports the bottom end face that a portion is connected to this pedestal, make this first shell fragment and the second shell fragment stressed to produce resiliently deformable by the second end respectively.
12. fans according to claim 11, is characterized in that, this junction plane is located at the ring periphery of the first end of this motor protecting cover, and this junction plane is provided with a clamping flange, and the card column of this clamping part is located at this clamping flange; This first shell fragment and the second shell fragment are all greater than the crow flight distance of this clamping flange to this motor protecting cover center to the crow flight distance at this motor protecting cover center, this first shell fragment and the second shell fragment abut the bottom end face of this pedestal, and this clamping flange is connected to the inner peripheral surface of this base bottom.
13. fans according to claim 6 or 10, it is characterized in that, the second end end face of this first shell fragment and the second end end face of this second shell fragment are positioned at same level height.
14. fans according to claim 6 or 10, it is characterized in that, this first shell fragment and the second shell fragment are symmetrical set.
15. fans according to claim 6 or 10, it is characterized in that, distance between the first end of this first shell fragment and the second shell fragment is less than the distance between the second end of this first shell fragment and the second shell fragment, and this first deformation space and the second deformation space lay respectively at two sides of this first shell fragment and the second shell fragment.
16. fans according to claim 6 or 10, it is characterized in that, distance between the first end of this first shell fragment and the second shell fragment is greater than the distance between the second end of this first shell fragment and the second shell fragment, and this first deformation space and the second deformation space are between this first shell fragment and the second shell fragment.
17. fans according to claim 2, it is characterized in that, this elasticity supports the free end that a portion is located at this card column, this elasticity comprises one to a portion and supports post, this supports post and has a first end and second end, this first end supporting post connects the free end end face of this card column, and this second end supporting post is free end, and this support post by this first end to the second end in axially extending.
18. fans according to claim 17, it is characterized in that, this pedestal is separately provided with an abutting part, this stator pack is containing a circuit board, a surface of this circuit board is connected to the abutting part of this pedestal, the second end contact that another surface of this circuit board supports post by this is located, and this junction plane is connected to the bottom end face of this pedestal.
19. fans according to claim 18, it is characterized in that, this circuit board establishes a positioning hole towards the surface of this motor protecting cover, and this positioning hole is blind hole shape, the degree of depth of this positioning hole is less than the length that this supports post, and this second end supporting post penetrates in this positioning hole.
The motor protecting cover of 20. 1 kinds of fans, it is characterized in that, it has axially a relative first end and second end, and the first end of this motor protecting cover is provided with a clamping part, a junction plane and an elasticity and supports a portion, and this elasticity is supported a portion and provided axial elasticity tension force.
The motor protecting cover of 21. fans according to claim 20, is characterized in that, the clamping part of this motor protecting cover comprises a card column and a grab, and the free end of this card column is located at by this grab.
The motor protecting cover of 22. fans according to claim 21, is characterized in that, this junction plane is located at the ring periphery of the first end of this motor protecting cover, and this junction plane is provided with a clamping flange, and the card column of this clamping part is located at this clamping flange.
The motor protecting cover of 23. fans according to claim 21, is characterized in that, this elasticity supports the free end that a portion is integrally formed in this card column.
The motor protecting cover of 24. fans according to claim 21, it is characterized in that, this elasticity supports the free end that a portion is located at this card column, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, the first end of this first shell fragment connects the free end end face of this card column, the joint of this first shell fragment and this card column has a first horizontal-extending line, second end of this first shell fragment is free end, this first shell fragment is tilted to extend to the second end by this first end, to form first deformation space between second end and this first horizontal-extending line of this first shell fragment.
The motor protecting cover of 25. fans according to claim 24, it is characterized in that, this elasticity is supported a portion and is separately comprised second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects the free end end face of this card column, the joint of this second shell fragment and this card column has a second horizontal-extending line, second end of this second shell fragment is free end, this second shell fragment is tilted to extend, to form second deformation space between second end and this second horizontal-extending line of this second shell fragment to the second end by this first end.
The motor protecting cover of 26. fans according to claim 20, is characterized in that, this elasticity is supported a portion and is integrally formed in this junction plane.
The motor protecting cover of 27. fans according to claim 20, it is characterized in that, this elasticity is supported a portion and is located at this junction plane, this elasticity is supported a portion and is comprised first shell fragment, this first shell fragment has a first end and second end, and the first end of this first shell fragment connects this junction plane, and the second end of this first shell fragment is free end, this first shell fragment is tilted to extend, to form first deformation space between second end and this junction plane of this first shell fragment to the second end by this first end.
The motor protecting cover of 28. fans according to claim 27, it is characterized in that, this elasticity is supported a portion and is separately comprised second shell fragment, this second shell fragment has a first end and second end, the first end of this second shell fragment connects this junction plane, second end of this second shell fragment is free end, and this second shell fragment is tilted to extend, to form second deformation space between second end and this junction plane of this second shell fragment to the second end by this first end.
The motor protecting cover of 29. fans according to claim 28, it is characterized in that, the clamping part of this motor protecting cover comprises a card column and a grab, the free end of this card column is located at by this grab, this junction plane is located at the ring periphery of the first end of this motor protecting cover, this junction plane is provided with a clamping flange, and the card column of this clamping part is located at this clamping flange; This first shell fragment and the second shell fragment are all greater than the crow flight distance of this clamping flange to this motor protecting cover center to the crow flight distance at this motor protecting cover center.
The motor protecting cover of 30. fans according to claim 25 or 28, it is characterized in that, the second end end face of this first shell fragment and the second end end face of this second shell fragment are positioned at same level height.
The motor protecting cover of 31. fans according to claim 25 or 28, it is characterized in that, this first shell fragment and the second shell fragment are symmetrical set.
The motor protecting cover of 32. fans according to claim 25 or 28, it is characterized in that, distance between the first end of this first shell fragment and the second shell fragment is less than the distance between the second end of this first shell fragment and the second shell fragment, and this first deformation space and the second deformation space lay respectively at two sides of this first shell fragment and the second shell fragment.
The motor protecting cover of 33. fans according to claim 25 or 28, it is characterized in that, distance between the first end of this first shell fragment and the second shell fragment is greater than the distance between the second end of this first shell fragment and the second shell fragment, and this first deformation space and the second deformation space are between this first shell fragment and the second shell fragment.
The motor protecting cover of 34. fans according to claim 21, it is characterized in that, this elasticity supports the free end that a portion is located at this card column, this elasticity comprises one to a portion and supports post, this supports post and has a first end and second end, this first end supporting post connects the free end end face of this card column, and this second end supporting post is free end, and this support post by this first end to the second end in axially extending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147825.6A CN104976144B (en) | 2014-04-14 | 2014-04-14 | Fan and its motor protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147825.6A CN104976144B (en) | 2014-04-14 | 2014-04-14 | Fan and its motor protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976144A true CN104976144A (en) | 2015-10-14 |
| CN104976144B CN104976144B (en) | 2017-10-10 |
Family
ID=54272980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147825.6A Active CN104976144B (en) | 2014-04-14 | 2014-04-14 | Fan and its motor protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104976144B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586516A (en) * | 2017-09-29 | 2019-04-05 | 日本电产株式会社 | Motor and sensor installing structure |
| CN111200343A (en) * | 2018-11-20 | 2020-05-26 | 日本电产株式会社 | Stator unit, motor and fan motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060056965A1 (en) * | 2004-09-10 | 2006-03-16 | Datech Technology Co., Ltd. | Housing fastener for a blower |
| CN101265920A (en) * | 2007-03-14 | 2008-09-17 | 台达电子工业股份有限公司 | Fan |
| CN201196159Y (en) * | 2008-04-25 | 2009-02-18 | 东莞寮步新旧围永立电机厂 | Wire-outgoing structure of water-proof fan |
| CN201486915U (en) * | 2009-06-12 | 2010-05-26 | 台达电子工业股份有限公司 | Fan, stator module and waterproof structure thereof |
| TWM382382U (en) * | 2009-06-05 | 2010-06-11 | Delta Electronics Inc | An and its stator module and water-repellent structure |
| TWM383050U (en) * | 2009-11-30 | 2010-06-21 | Asia Vital Components Co Ltd | Snap-and-lock fan shaft seat |
| CN201627751U (en) * | 2009-12-24 | 2010-11-10 | 东莞寮步新旧围永立电机厂 | Waterproof radiating fan |
| CN102014686A (en) * | 2008-05-01 | 2011-04-13 | Ykk株式会社 | Slider for slide fastener with automatic stopper |
| CN102195384A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Motor fan cover mounting structure |
| US20120032542A1 (en) * | 2010-08-05 | 2012-02-09 | Rotechnic Company Limited | Water-proof dust-proof and salty-mist-proof cooling fan |
-
2014
- 2014-04-14 CN CN201410147825.6A patent/CN104976144B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060056965A1 (en) * | 2004-09-10 | 2006-03-16 | Datech Technology Co., Ltd. | Housing fastener for a blower |
| CN101265920A (en) * | 2007-03-14 | 2008-09-17 | 台达电子工业股份有限公司 | Fan |
| CN201196159Y (en) * | 2008-04-25 | 2009-02-18 | 东莞寮步新旧围永立电机厂 | Wire-outgoing structure of water-proof fan |
| CN102014686A (en) * | 2008-05-01 | 2011-04-13 | Ykk株式会社 | Slider for slide fastener with automatic stopper |
| TWM382382U (en) * | 2009-06-05 | 2010-06-11 | Delta Electronics Inc | An and its stator module and water-repellent structure |
| CN201486915U (en) * | 2009-06-12 | 2010-05-26 | 台达电子工业股份有限公司 | Fan, stator module and waterproof structure thereof |
| TWM383050U (en) * | 2009-11-30 | 2010-06-21 | Asia Vital Components Co Ltd | Snap-and-lock fan shaft seat |
| CN201627751U (en) * | 2009-12-24 | 2010-11-10 | 东莞寮步新旧围永立电机厂 | Waterproof radiating fan |
| US20120032542A1 (en) * | 2010-08-05 | 2012-02-09 | Rotechnic Company Limited | Water-proof dust-proof and salty-mist-proof cooling fan |
| CN102195384A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Motor fan cover mounting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586516A (en) * | 2017-09-29 | 2019-04-05 | 日本电产株式会社 | Motor and sensor installing structure |
| CN111200343A (en) * | 2018-11-20 | 2020-05-26 | 日本电产株式会社 | Stator unit, motor and fan motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104976144B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200608866A (en) | Heat-dissipating fan and its housing | |
| CN105090099B (en) | Ceiling fan motor | |
| US9140266B2 (en) | Cooling fan | |
| CN104295512A (en) | Axial flow fan | |
| TW200608180A (en) | Heat-dissipating fan | |
| TW200641254A (en) | Fan and impeller thereof | |
| CN104205573A (en) | Rotating electrical machine | |
| WO2008139873A1 (en) | Rotating electric machine and compressor | |
| EP2343443A3 (en) | Steam turbine | |
| JP2010038165A5 (en) | ||
| CN202768498U (en) | Motor damping base | |
| AU2016295175B2 (en) | Subsea centrifugal compressor with horizontal shaft and with only one axial thrust bearing | |
| JP4877777B2 (en) | Blower | |
| TW200742801A (en) | Fan and impeller thereof | |
| JP2012122398A5 (en) | ||
| CN104976144A (en) | Fan and motor protection cover thereof | |
| CN101934725A (en) | Cooling device for vehicle | |
| WO2013189943A3 (en) | Centrifugal compressor impeller cooling | |
| TW200722629A (en) | Fan and impeller thereof | |
| TW200637974A (en) | Fan and it's impeller and housing | |
| US20120121406A1 (en) | Series-Connected Fan Frame Module | |
| JP3165611U (en) | Equilibrium structure of an annular axial fan | |
| CN203809354U (en) | Axial flow fan with large suction force | |
| US9655278B2 (en) | Slim fan structure | |
| CN101825094B (en) | Radiating fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210412 Address after: 536000 zone B6, northwest sea export processing zone, Beihai Avenue, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: Beihai jianzhun Electronics Co.,Ltd. Address before: 528251, No. two, 5 South Avenue, Ping Chau, Guangdong, Foshan Patentee before: SUNON ELECTRONICS (FOSHAN) Co.,Ltd. |
|
| TR01 | Transfer of patent right |