CN205841278U - Fan - Google Patents

Abstract

The utility model discloses a kind of fan, including: body, head, motor and tape handler, described head is located on described body；Described motor is fixed on described head, and described motor has output shaft；Described tape handler includes drivewheel, driven pulley and belt, described drivewheel is fixed with described output shaft, described driven pulley is fixed on described body, described belt tension is on described drivewheel and described driven pulley, and the most described head rotates realization by described motor and described tape handler relative to described body and shakes the head.According to fan of the present utility model, by using motor and tape handler to realize shaking the head, reduce the assembly difficulty of fan, improve production efficiency.

Description

Fan

Technical field

This utility model relates to household appliance technical field, especially relates to a kind of fan.

Background technology

In existing fan, oscillating mechanism many employings tooth case of fan or synchronous motor combine crank plus connecting rod Running, the linkage of employing is quadric chain, to drive the head motion of fan to realize around or upper and lower shaking the head.

But, the oscillating mechanism of existing fan belongs to moving component, for the core component of fan, if changing existence easily The problem of checking difficulty, the part of assembling is many, assembling difficulty, and assembly manipulation workman person is many, assembles error rate high, assembles bad It is easily generated defective products, abnormal sound of predominantly shaking the head, phenomenon of nodding occurs, or walk quickly, block and wait indefinitely, and production efficiency is low, manual operation Many, and it is difficult to operation, it addition, be also easy to make the low voltage starting of fan bad.

Utility model content

This utility model is intended at least to solve one of technical problem present in prior art.To this end, it is of the present utility model One purpose is to propose a kind of fan, and the production efficiency of described fan is high.

According to fan of the present utility model, including: body；Head, described head is located on described body；Motor, described Motor is fixed on described head, and described motor has output shaft；And tape handler, described tape handler includes actively Wheel, driven pulley and belt, described drivewheel fixes with described output shaft, and described driven pulley is fixed on described body, described skin Band is stretched on described drivewheel and described driven pulley, and the most described head passes through described motor and described band Drive mechanism rotates realization relative to described body and shakes the head.

According to fan of the present utility model, by using motor and tape handler to realize shaking the head, reduce fan Assembly difficulty, improves production efficiency.

According to embodiments more of the present utility model, described head is provided with the head pipe that described body extends, institute Stating body and be provided with fixing post, the free end of described fixing post is fixed through described head pipe with described driven pulley, wherein said It is provided with at least one bearing between head pipe and described fixing post.

Alternatively, the cross section of the described free end of described fixing post is non-circular geometric face.

Alternatively, described bearing is the two ends that two and said two bearing lay respectively at described fixing post.

Further, being provided with rotation limiting structure between described head and described body, described rotation limiting structure is used for Described head is made to rotate predetermined angle relative to described body.

Specifically, described body include rotating support, described rotating support be set in described fixing post outer and with institute The outer peripheral face stating fixing post is spaced apart from each other, wherein said head pipe between described rotating support and described fixing post, Described rotation limiting structure includes: stopper slot, and described stopper slot is formed on described head；And spacing preiection, described limit convex Rise and be located on described rotating support and coordinate with described stopper slot.

Further, described spacing preiection is formed with cable-through hole.

Alternatively, described rotating support is ledge structure, and wherein said spacing preiection is located on step surface.

Alternatively, described stopper slot is for being formed as arcuate groove.

According to embodiments more of the present utility model, the maximum anglec of rotation of the most described body of described head is α, its In, described α meets: α=90 °.

Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below In become obvious, or recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment Become obvious and easy to understand, wherein:

Fig. 1 is the explosive view of the fan according to this utility model embodiment；

Fig. 2 is the assembling schematic diagram of the motor shown in Fig. 1 and tape handler；

Fig. 3 is the assembling schematic diagram of the head shown in Fig. 1, motor and tape handler；

Fig. 4 is the partial schematic diagram of the head shown in Fig. 1；

Fig. 5 is the rotating support shown in Fig. 1 and the schematic diagram of fixing post；

Fig. 6 is the schematic diagram of the head shown in Fig. 1, motor, tape handler and rotating support；

Fig. 7 is the schematic diagram of another angle of the head shown in Fig. 6, motor, tape handler and rotating support；

Fig. 8 is the assembling schematic diagram of the head shown in Fig. 6, motor, tape handler and rotating support；

Fig. 9 is the schematic diagram of the fan shown in Fig. 1, head fore shell not shown in it；

Figure 10 is the assembling schematic diagram of the fan shown in Fig. 1.

Reference:

100: fan；

1: body；11: rotating support；111: fixing post；

1121: step surface；1122: spacing preiection；1123: cable-through hole；

12: rotary fixing base；13: column jecket；14: chassis；

2: head；21: head fore shell；22: head back cover；

3: motor；41: drivewheel；42: driven pulley；43: belt.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", Orientation or the position relationship of the instruction such as " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position relationship, are only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, the implication of " multiple " It is two or more.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For For those of ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.

Below with reference to Fig. 1-Figure 10, the fan 100 according to this utility model embodiment is described.Fan 100 can be to land Fan.In the application explained below, illustrate as a example by fan 100 is as stand fan.Certainly, those skilled in the art can To understand, can also be desk fan, wall fan etc. according to fan 100 of the present utility model.

As shown in Fig. 1, Fig. 9-Figure 10, according to the fan 100 such as stand fan of this utility model embodiment, including body 1, Head 2, motor 3 and tape handler.

Head 2 is located on body 1.Such as, as it is shown in figure 1, head 2 is arranged on the top of body 1, head 2 includes head Fore shell 21 and the head back cover 22 being located at head fore shell 21 rear portion, head fore shell 21 and head back cover 22 are connected with each other to constitute machine 2.Receiving space is limited between head fore shell 21 and head back cover 22.Wherein, motor 3 and tape handler can be located at this Accommodate in space.

As shown in Figures 2 and 3, motor 3 is fixed on head 2, and now motor 3 is fixed relative to head 2.Can Selection of land, motor 3 is synchronous motor, and motor 3 can be fixedly attached to head 2 by screw, easy for installation and connect firm, but not It is limited to this.Motor 3 has output shaft.

Tape handler includes drivewheel 41, driven pulley 42 and belt 43, and drivewheel 41 is fixed with output shaft, now actively Taking turns 41 is to maintain static relative to output shaft, and when motor 3 starts, output shaft rotates, and drivewheel 41 can turn with output shaft Dynamic.

Driven pulley 42 is fixed on body 1, and now driven pulley 42 is fixed relative to body 1, driven pulley 42 phase Body 1 is not rotated.Belt 43 is stretched on drivewheel 41 and driven pulley 42, as in figure 2 it is shown, belt 43 is set in Drivewheel 41 and the periphery of driven pulley 42 and the periphery with drivewheel 41 and driven pulley 42 coordinate.Wherein, drivewheel 41 and driven Wheel 42 can be horizontally disposed with and be located in the same horizontal plane, to reduce tape handler taking up room in the vertical direction.

When motor 3 works, head 2 is rotated realization relative to body 1 shaken the head by motor 3 and tape handler.Specifically For, after motor 3 starts, the output shaft of motor 3 can drive drivewheel 41 to rotate, and is passed to by belt 43 by this power Driven pulley 42, makes driven pulley 42 have trend homodromal with drivewheel 41, owing to driven pulley 42 is integrally fixed on body 1 , i.e. driven pulley 42 does not rotates, thus above-mentioned power by retroaction on motor 3, make motor 3 drive whole head 2 rotate relative to body 1, to realize shaking the head.

Thus, by using tape handler as motion transmission, it is actual is stepless cycling mechanism, and this mechanism is permissible Do not have stuck phenomenon when guaranteeing to shake the head, thus will not produce when head 2 is shaken the head and walk quickly.And, by using motor 3 to add Band is passed on Gong the mode of mechanism, combines crank with traditional tooth case or synchronous motor plus compared with connecting rod, improves fan 100 Assembly difficulty, and parts are few, thus improve efficiency of assembling.

Alternatively, drivewheel 41 and driven pulley 42 can be respectively gear, correspondingly, and can be with shape on the inner surface of belt 43 Cheng Youyu drivewheel 41 and belt 43 tooth of driven pulley 42 engagement.But it is not limited to this.

Fan 100 such as stand fan according to this utility model embodiment, real by using motor 3 and tape handler Now shake the head, reduce the assembly difficulty of fan 100, improve production efficiency.

According to embodiments more of the present utility model, the head 2 that head 2 is provided with body 1 extension is managed, on body 1 Being provided with fixing post 111, the free end (such as, the upper end in Fig. 5) of fixing post 111 is fixed through head 2 pipe with driven pulley 42, its Middle head 2 is managed and is fixed and is provided with at least one bearing between post 111.Thus, set between post 111 by managing at head 2 and fix Put bearing, there is circumference operating and support and long-term rotating operation axial restraint effect so that the motion of head 2 is more steady. Alternatively, bearing is the two ends that two and two bearings lay respectively at fixing post 111, and bearing is rolling bearing such as ball bearing Deng.

Such as, as shown in Figure 3-Figure 5, the bottom of head back cover 22 is provided with the head 2 extended straight down and manages, and head 2 is managed Being preferably pipe, fixing post 111 extends straight up and communicates with the receiving space of head 2, and the cross-sectional area of fixing post 111 is little In the cross-sectional area of head 2 pipe, thus the upper end of fixing post 111 can extend upwardly into head 2 and manages interior and stretch in receiving space Being connected with driven pulley 42, be now respectively equipped with bearing in the top and bottom of head 2 pipe, bearing can be by the side of interference fit In formula press-in head 2 is managed.

Alternatively, the cross section of the free end of fixing post 111 is non-circular geometric face.Thus, it is possible to effectively limit driven pulley 42 Motion in the circumference of fixing post 111.Such as, in the example of hgure 5, the shape of cross section of the upper end of fixing post 111 is substantially For Long Circle, correspondingly, driven pulley 42 could be formed with coordinate suitable with the outer contour shape of the upper end fixing post 111 Groove, i.e. oval-shaped slot, after driven pulley 42 is installed on fixing post 111, driven pulley 42 can not rotate relative to fixing post 111. It is understood that the cross section of the free end of fixing post 111 can also is that triangle, rectangle, ellipse, multistage curve example Join end to end successively the shape etc. constituted such as circular arc line, as long as restriction driven pulley 42 can be played in the circumference of fixing post 111 Move.

According to further embodiment of the present utility model, between head 2 and body 1, it is provided with rotation limiting structure, rotates limit Bit architecture is used for making head 2 rotate predetermined angle relative to body 1.Thus, by arranging rotation limiting structure, machine can be limited 2 relative to the anglec of rotation (i.e. the panning angle of fan 100) of body 1.

Specifically, with reference to Fig. 5 and combine Fig. 6-Fig. 8, body 1 includes rotating support 11, and rotating support 11 is sheathed Outside fixing post 111, and the outer peripheral face of rotating support 11 and fixing post 111 is spaced apart from each other, and rotating support 11 is with fixing Post 111 is preferably coaxially disposed.Such as, rotating support 11 can be the ledge structure that top is opened wide, after assembling puts in place, and head 2 Be suitable to be supported on rotating support 11, thus ensure that the steadiness of head 2.Wherein head 2 pipe is positioned at rotating support 11 With between fixing post 111, now the lower end of head 2 pipe can extend downwardly into the sky between rotating support 11 and fixing post 111 Between.Rotating support 11 can be one-body molded with fixing post 111.

Wherein, rotation limiting structure includes: stopper slot and spacing preiection 1122, and stopper slot is formed on head 2, limit convex Play 1122 to be located on rotating support 11, and spacing preiection 1122 coordinates with stopper slot, when head 2 rotates, spacing preiection 1122 is removable in stopper slot, when spacing preiection 1122 and the sidewall contact at the two ends of stopper slot, due to the side of stopper slot The backstop action of wall, spacing preiection 1122 can not continue this end motion to stopper slot, thus effectively define the rotation of head 2 Gyration, and the effect that spacing preiection 1122 has simultaneously and head 2 assembling positions.Wherein spacing preiection 1122 can be located at rotation Turn on the step surface 1121 of bracing frame 11, as shown in Figure 5.Alternatively, stopper slot is for being formed as arcuate groove.

Further, spacing preiection 1122 is formed with cable-through hole 1123, as it is shown in figure 5, spacing preiection 1122 is hollow Structure, the associated tracks etc. in fan 100 can be passed by this cable-through hole 1123, has both facilitated the cabling in fan 100, has saved again Save the material of spacing preiection 1122, reduce cost.

Alternatively, the maximum anglec of rotation of the relative body 1 of head 2 is α, and wherein, α meets: α=90 °.When fan 100 example When working such as stand fan, head 2 can be distinguished the most to the left and to right rotation 45 ° relative to body 1.It is understood that head 2 phase To the concrete numerical value of maximum anglec of rotation α of body 1 can adaptive change according to the actual requirements, preferably to meet reality Demand, such as, α can also be 75 °, 120 ° etc..

The assembling process of the fan 100 according to this utility model embodiment is as follows:

First load onto on head 2 with the motor 3 such as synchronous motor assembling drivewheel 41 and belt 43；

Then the top and bottom in head 2 pipe are respectively mounted bearing；

Then will be equipped with the head 2 of motor 3, drivewheel 41, belt 43 and bearing to insert the rotation with fixing axle and prop up In support 11；

Driven pulley 42 is fixed to the free end of fixing post 111 again, and makes driven pulley 42 embed in belt 43 so that belt 43 run on the tooth of drivewheel 41 and driven pulley 42；

After whole tape handler has assembled, then the parts after above-mentioned assembling are encased in rotary fixing base 12, After plug column jecket 13, column jecket 13 connecting base plate 14, thus, complete the assembling of fan 100.

Wherein, when motor 3, drivewheel 41, belt 43 and bearing are assembled to head 2, can be first by solid for drivewheel 41 Determine on the output shaft of motor 3, belt 43 is set in outside drivewheel 41 simultaneously, then motor 3 is carried out screw and fix, example As, motor 3 has diametrically and outward extending two fixing ears, stamps screw respectively on two fixing ears, to realize Fixing motor 3.Bearing can be pressed in head 2 manages by the way of interference fit.

Thus, it is as driving force by synchronous motor according to the principle of shaking the head of the fan 100 of this utility model embodiment, with Step driven by motor drivewheel 41, driven pulley 42 and belt 43, driven pulley 42 is fixed on column jecket 13, rotating support 11 as solid Determining matrix, synchronous motor is then fixed on head 2, drives head about 2 to shake the head with the motion of synchronous motor.

Fan 100 according to this utility model embodiment is to change its motion structure, uses the fortune that double belt 43 is taken turns Line mode, mechanism is stable, the convenient assembling produced, and improves production efficiency, and reduces fraction defective that fan 100 produces and total The production difficulty of dress, it is ensured that the concordance of assembling and the reliability of production.And, V belt translation moves without dead-centre position, is difficult to Occurring shakes the head walks quickly, it is ensured that shakes the head and is not likely to produce abnormal sound and stuck phenomenon, brings different experience senses to user.

Other of fan 100 such as stand fan etc. according to this utility model embodiment constitute and operate for this area It is all known for those of ordinary skill, is not detailed herein.

In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or Person's feature can combine in any one or more embodiments or example in an appropriate manner.

Embodiment the most of the present utility model, it will be understood by those skilled in the art that: In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out multiple change, revise, replace And modification, scope of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. a fan, it is characterised in that including:

Body；

Head, described head is located on described body；

Motor, described motor is fixed on described head, and described motor has output shaft；And

Tape handler, described tape handler includes drivewheel, driven pulley and belt, and described drivewheel is solid with described output shaft Fixed, described driven pulley is fixed on described body, and described belt tension is on described drivewheel and described driven pulley, when described electricity During machine work, described head is shaken the head relative to the rotation realization of described body by described motor and described tape handler.

Fan the most according to claim 1, it is characterised in that be provided with the head that described body extends on described head Pipe,

Described body is provided with fixing post, and the free end of described fixing post is fixed through described head pipe with described driven pulley, its Described in be provided with at least one bearing between head pipe and described fixing post.

Fan the most according to claim 2, it is characterised in that the cross section of the described free end of described fixing post is not rounded Shape face.

Fan the most according to claim 2, it is characterised in that described bearing is two and said two bearing lays respectively at The two ends of described fixing post.

5. according to the fan according to any one of claim 2-4, it is characterised in that be provided with between described head and described body Rotation limiting structure, described rotation limiting structure is used for making described head rotate predetermined angle relative to described body.

Fan the most according to claim 5, it is characterised in that described body includes rotating support, described rotation supports Frame is set in outer and with described fixing post the outer peripheral face of described fixing post and is spaced apart from each other, and wherein said head pipe is positioned at described rotation Turn between bracing frame and described fixing post,

Described rotation limiting structure includes:

Stopper slot, described stopper slot is formed on described head；With

Spacing preiection, described spacing preiection is located on described rotating support and coordinates with described stopper slot.

Fan the most according to claim 6, it is characterised in that be formed with cable-through hole on described spacing preiection.

Fan the most according to claim 6, it is characterised in that described rotating support is ledge structure, wherein said limit Position projection is located on step surface.

Fan the most according to claim 6, it is characterised in that described stopper slot is for being formed as arcuate groove.

Fan the most according to claim 1, it is characterised in that the maximum anglec of rotation of the most described body of described head For α, wherein, described α meets: α=90 °.