CN107676276B

CN107676276B - Fan

Info

Publication number: CN107676276B
Application number: CN201710919866.6A
Authority: CN
Inventors: 程凌军
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2018-08-07
Anticipated expiration: 2037-09-30
Also published as: CN107676276A

Abstract

The present invention relates to a kind of household electrical appliance, especially fan, including pedestal and nozzle, control panel is provided in the pedestal, and there is hollow cavity in pedestal, the fan assembly being electrically connected with control panel is installed in the cavity, and the top of cavity is connect with nozzle, and inside support protrusion is provided on the madial wall of the cavity, support element is mounted in support protrusion, there is annular support surface, the fan assembly to be supported on support element by annular support surface at the top of the support element.Compared with the prior art, the mould structure of pedestal is simpler, and manufacturing cost is lower by the present invention, meanwhile, base outer wall surface is smooth, and shrink trace when injection molding will not occur.Also, the fan of the present invention, not only ensure that the installation strength of support element and fan assembly, but also reduce the probability that fan generates vibrating noise.

Description

Fan

Technical field

The present invention relates to household electrical appliance technical fields, more specifically to fan.

Background technology

An existing number of patent application is CN201710035294.5, the application for a patent for invention of entitled " fan ". A kind of bladeless fan is disclosed in the patent application, wherein motor is installed in electric machine casing, and impeller housing and electric machine casing Compresses lower section connection, and the top section of circular diffuser shell and electric machine casing connect, to form entire fan assembly, Also, it also discloses in the disclosure in this patent, impeller housing is installed on the annular seating in the main part part in body portion, is realized The installation of entire fan assembly is fixed.

For bladeless fan disclosed in the patent application document, shell is plastic part, and annular seating is directly integrally It takes shape on the inner wall of shell, to which the shrink shape of plastic shaping can be formed in the outer wall surface of shell, influences very much fan Exterior aesthetics.Meanwhile for the bladeless fan, since circular seat is in the intermediate inner wall region of shell, mold processing And molding is all very difficult, needs by slide block structure, and simultaneously, this shape circularizes, further increase mold at The difficulty of type, manufacturing cost and manufacturing process require higher.In addition, integrated injection molding is only used for pacifying in the annular seating on shell Fan assembly is filled, for annular seating surface since problem is shunk in mold processing and injected plastics material, there are out-of-flatnesses, therefore, work as blower fan group When part work operating, it is easy to happen shaking, and then easily cause the vibrations of entire fan, generates vibrating noise, influence consumer Normal life and rest.

Invention content

To solve the above problems, the present invention provides a kind of fan, facilitate mold manufacturing, manufacturing cost is low, installation it is firm, It is convenient, and fan assembly operating noise is low, the fan of appearance looks elegant.

To achieve the above object, the present invention provides the following technical solutions：

Fan, including pedestal and nozzle are provided with control panel in the pedestal, and have hollow cavity, institute in pedestal The fan assembly for being equipped in cavity and being electrically connected with control panel is stated, and the top of cavity is connect with nozzle, the inside of the cavity Inside support protrusion is provided on wall, support element is mounted in support protrusion, has ring at the top of the support element Shape supporting surface, the fan assembly are supported in by annular support surface on support element.

Further, the annular with outwardly convex takes the portion of holding on the outer wall of the fan assembly, and the annular takes the portion of holding It takes and is held on annular support surface.

Further, the fan assembly includes fan body and the installation shell that is set on the outside of fan body, described Installation shell is fixedly connected with fan body, and the annular is taken the portion of holding and is located on installation shell；

Alternatively, being provided with motor in the fan assembly, the harness being electrically connected with motor is through fan assembly and stretches out wind On the outside of thermomechanical components, the annular takes and is provided with cable hole in the portion of holding, and the harness passes through cable hole and annular support surface and wind turbine Control panel electrical connection below component.

Further, the installation cylinder and the pedestal below installation cylinder that the pedestal includes top, the installation Cylinder body bottom has isolation bottom plate, and installs and be provided with air inlet hole on the side wall of cylinder, the control panel be located at isolation bottom plate with In the installation cavity that pedestal is enclosed, the line that isolation bottom plate is electrically connected with control panel is provided through on the fan assembly Beam.

Further, the installation cylinder body bottom has the annular stop muscle stretched into pedestal, wherein the annular stop The height of muscle is not less than 5mm.

Further, it is provided with button bit on the madial wall of the cavity, corresponding clamping portion is provided on the support element, The support element is fixed on by the clamping engagement of clamping portion and button bit in cavity.

Further, it is provided with limiting slot on the cavity inner wall, is provided with and is inserted into limiting slot on the support element The rotation stop of support element and pedestal is realized in the cooperation of spacing block set, the spacing block set and limiting slot；

Alternatively, being provided with limiting slot on the cavity inner wall, the limit being inserted into limiting slot is provided on the fan assembly The rotation stop of fan assembly and pedestal is realized in the cooperation of position column, the limited post and limiting slot.

Further, be provided with a plurality of reinforcing rib extended to support protrusion on the inside cavities wall, and limiting slot by Adjacent said rib encloses.

Root is further, and the annular support surface and annular are provided with shock absorber part between taking the portion of holding.

Further, the shock absorber part is to be set to annular support surface and annular silica gel part or the foaming taken between the portion of holding Part；

Alternatively, the annular, which is taken, is provided with mounting hole in the portion of holding, support column is taken across mounting hole and is held on annular support surface, There is the elastic spacing portion that support column is deviate from from mounting hole that prevents, and the bottom of support column has limit at the top of the support column Convex block, meanwhile, the spring being set on the support column under compressive state, and the upper end of spring pushes against and takes the portion of holding in annular Lower end, the lower end of spring pushes against on the spacing block set of support column, wherein shock absorber part is the spring under compressive state.

By foregoing description it is found that fan provided by the invention supports fan assembly by support element, blower fan group is realized The installation of part, meanwhile, support element is installed in the molding support protrusion of cavity inner wall by dismountable mounting means.It compares For the prior art, the mould structure of pedestal is simpler, and manufacturing cost is lower, simultaneously as support element is can with pedestal Mounting means is dismantled, base outer wall surface is smooth, and shrink trace when injection molding will not occur.Also, the present invention's Fan, support element be supported by support protrusion, and fan assembly be by support element at the top of annular support surface support, both ensure that The installation strength of support element and fan assembly, annular support surface also increase the contact surface to fan assembly, fan assembly work When, it is not easy to shake phenomenon, to reduce the probability that fan generates vibrating noise.

Description of the drawings

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；

Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1；

Fig. 3 is the enlarged structure schematic diagram at B in Fig. 1；

Fig. 4 is the decomposition texture schematic diagram of pedestal and support element in Fig. 1；

Fig. 5 is the mounting structure schematic diagram of pedestal and support element in Fig. 1；

Fig. 6 is the enlarged structure schematic diagram at C in Fig. 5；

Fig. 7 is the enlarged structure schematic diagram at D in Fig. 5；

Fig. 8 is the structural schematic diagram of fan assembly in Fig. 1；

Fig. 9 is the structural schematic diagram of the embodiment of the present invention two；

Figure 10 is the enlarged structure schematic diagram at E in Fig. 9；

Figure 11 is the enlarged structure schematic diagram at F in Fig. 9.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.

As shown in Figures 1 to 8, it is the structural schematic diagram of the first embodiment of the invention.A kind of fan, including 1 He of pedestal Nozzle 2 is provided with control panel 3 in the pedestal 1, and has hollow cavity 10 in pedestal 1, be equipped in the cavity 10 with The fan assembly 4 that control panel 3 is electrically connected, and the top of cavity 10 is connect with nozzle 2, is provided on the madial wall of the cavity 10 Inside support protrusion 11, support element 5 are mounted in support protrusion 11, and 5 top of the support element has annular branch Support face 51, the fan assembly 4 are supported in by annular support surface 51 on support element 5.

In the present embodiment, the annular with outwardly convex takes the portion of holding 41 on the outer wall of the fan assembly 4, and the annular is taken 41 portions of holding, which take, to be held on annular support surface 51, wherein the fan assembly 4 includes fan body 42 and is set in fan body 42 The installation shell 43 in outside, the installation shell 43 are fixedly connected and (are not drawn in figure by screw or buckle with fan body 42 Go out), and the annular is taken the portion of holding 41 and is located on installation shell 43, in the present embodiment, fan assembly 4 is fixed or is blocked by screw Fixed mode (being not drawn into figure) is detained to be fixed on support element 5.Also, it is shaken to reduce when fan assembly 4 works, Shock absorber part 7 is set also between annular support surface 51 and annular take the portion of holding 41.For the present embodiment, which is tool Flexible silica gel part or foaming piece.

Meanwhile it being provided with motor (being not drawn into figure) in the fan assembly 4, the harness 6 being electrically connected with motor runs through wind Thermomechanical components 4 simultaneously stretch out 4 outside of fan assembly, and the annular takes and is provided with cable hole 410 in the portion of holding 41, and the harness 6 passes through away String holes 410, shock absorber part 7 and annular support surface 51 are electrically connected with the control panel 3 of 4 lower section of fan assembly.In addition, the pedestal 1 wraps The installation cylinder 12 on top and the pedestal 13 positioned at 12 lower section of installation cylinder are included, 12 bottom of installation cylinder has isolation bottom plate 14, and air inlet hole 15 is provided on the side wall of installation cylinder 12, the control panel 3 is located at isolation bottom plate 14 and is enclosed with pedestal 13 In the installation cavity 130 of formation, wherein harness 6 is electrically connected through isolation bottom plate 14 with control panel 3.In the present embodiment, due to wind turbine It is provided with motor in component, carbon dust is will produce during motor high-speed rotation, isolation bottom plate had both been used to that motor and control to be isolated Plate prevents the broken control panel that enters of carbon dust from causing short circuit, is produced in addition, the when of slowing down fan assembly operating can also be isolated in isolation bottom plate Raw noise transmits outward.Certainly, for the present embodiment, motor can also select non-carbonate brushless motor, cost phase To improving.When the present embodiment selects brush motor, strainer preferably is set in the junction of nozzle and pedestal, to filter carbon Powder.

For the present embodiment, 12 bottom of the installation cylinder has the annular stop muscle 121 stretched into pedestal 13, In, the height H of the annular stop muscle 121 is not less than 5mm.Because in the present embodiment, annular stop muscle 121 remove for bottom It other than the guiding installation and radial limit of seat 13, is also prevented from installation cylinder 12 or pedestal 13 deforms, and cause to pacify There is gap with 13 junction of pedestal in fitted tube body 12, not only influences beauty, is also easy to cause water inlet in pedestal, causes safety hidden Suffer from.Wherein, the height H of annular stop muscle is not less than 5mm, and it is strong to the radial support of pedestal can greatly to increase annular stop muscle Degree, meanwhile, also increase the contact area and frictional force of installation cylinder and pedestal so that installation cylinder is not easy pine with pedestal It is de-.

In addition, in the present embodiment, it is provided with button bit 16 on the madial wall of the cavity 10, is provided on the support element 5 Corresponding clamping portion 56, the support element 5 are fixed on by the clamping engagement of clamping portion 56 and button bit 16 in cavity 10.Meanwhile It is additionally provided with limiting slot 17 in the support protrusion 11, the spacing block set being inserted into limiting slot 17 is provided on the support element 5 57, the rotation stop of support element 5 and pedestal 1 may be implemented in the cooperation of the spacing block set 57 and limiting slot 17, to prevent fan assembly When operating, fan assembly can drive support element that circumferential rotation occurs, to easily cause fan vibrations.The present embodiment is come It says, a plurality of reinforcing rib 18 extended to support protrusion 11 is provided on 10 madial wall of the cavity, and limiting slot 17 is by adjacent Reinforcing rib 18 encloses.

It is that fan assembly is supported by support element for the present embodiment, realizes the installation of fan assembly, meanwhile, Support element is installed in the molding support protrusion of cavity inner wall by dismountable mounting means.Come compared with the prior art It says, the mould structure of pedestal is simpler, and manufacturing cost is lower, simultaneously as support element is detachable mounting means with pedestal, Base outer wall surface is smooth, and shrink trace when injection molding will not occur.Also, the bladeless fan of the present embodiment, branch Support member be supported by support protrusion, and fan assembly be by support element at the top of annular support surface support, both ensure that support element With the installation strength of fan assembly, annular support surface also increases the contact surface to fan assembly and does not allow when fan assembly works Easily shake phenomenon, to reduce the probability that fan generates vibrating noise.

For the present embodiment, shock absorber part can be also used for close except being shaken when being operated for reducing fan assembly Envelope annular support surface takes the portion of holding with annular, and extraneous air stream can be allowed to be blown into nozzle by fan assembly unique passage, realizes energy The aggregation of amount improves the aspect of blowing efficiency of fan.Certainly, for the present embodiment, the rotation stop of support element and pedestal is not limited to this The structure of embodiment can also be arranged limit rib on wall in the cavity, limiting slot etc. is arranged on support element, can also realize branch The rotation stop of support member acts on.Also, for the present embodiment, installation shell other than removable installation, also may be used with fan main body To make a non-removable entirety.In the present embodiment, the installation of installation shell and fan main body, which is generally adopted, to be screwed Or the fixed mode of buckle, certainly, by this present embodiment, therefore the tapered structure in fan main body lower part and top is installed Shell can also be not necessarily to fastening with fan main body, it is only necessary to spline structure be arranged between fan main body and installation shell.

In the present embodiment, support element is connect with pedestal using simplest buckle fixed form, realizes the fixation of support element. Certainly, for the present embodiment, support element can also use other connection types commonly used in the art, for example, screw fix, Be adhesively fixed, rivet fixation etc., also it is not limited to the mounting structure that the present embodiment is provided.

It should be noted that the variation for the present embodiment above structure, is readily applicable to other implementations of the present invention Example.

Embodiment two：

As shown in Fig. 9, Figure 10, Figure 11, for the structural schematic diagram of second of embodiment of the invention.The present embodiment and embodiment One the difference is that：In the present embodiment, fan assembly is only placed on support element, is not fixed, also, the ring Shape takes and is provided with mounting hole 411 in the portion of holding 41, and support column 8 is taken across mounting hole 411 and is held on annular support surface 51, the support 8 top of column has the elastic spacing portion 81 that support column 8 is deviate from from mounting hole 411 that prevents, and the bottom of support column 8 has limit Convex block 82, meanwhile, the spring 83 under compressive state is set on the support column 8, and the upper end of spring 83 is pushed against in ring Shape takes the lower end in the portion of holding 41, and the lower end of spring 83 is pushed against on the spacing block set 82 of support column, wherein shock absorber part is in compression Spring 83 under state.Also, when installing, support column 8 is inserted into limiting slot, realizes the rotation stop of fan assembly and pedestal, therefore, For the present embodiment, support column also has the function of radially limiting.For the rotation stop of fan assembly and pedestal, it is possibility to have Other structures are inserted into limiting slot by limited post and are matched for example, the annular in fan assembly takes limited post is arranged in the portion of holding It closes, can also realize the rotation stop of fan assembly and pedestal.

Meanwhile finite place piece 9 is set between the top and cavity inner wall of fan assembly 4, which is set in wind The outside of thermomechanical components 4 prevents fan assembly 4 from being shaken during operating for carrying out radial limit to fan assembly 4 It is dynamic, meanwhile, for the present embodiment, the outside of locating part 9 is additionally provided with the second shock absorber part 91, which pushes against In on the inner wall of cavity, realization fan assembly 4 and cavity inner wall are completely isolated.

It is on-fixed mode for fan assembly relative support for the present embodiment, also, fan assembly and branch Spring shock absorption is provided between support member, meanwhile, the second shock absorber part damping is provided between the top and base internal wall of fan assembly, Therefore, for compared to embodiment one, the mounting means of fan assembly is simpler, meanwhile, fan assembly and pedestal completely every From the vibrating noise that drives when fan assembly operating greatly reduces.In addition, for the present embodiment, the second shock absorber part With locating part using quadric injection mould one, certainly, the second shock absorber part can also be directly adhered to the outer surface of locating part, Huo Zhe Two shock absorber parts are set in the outside of locating part by mounting structure.

It should be noted that for the present embodiment, the variation of above structure is readily applicable to the other of the present invention Embodiment.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims

1. fan, including pedestal and nozzle, control panel is provided in the pedestal, and there is hollow cavity in pedestal, it is described The fan assembly being electrically connected with control panel is installed, and the top of cavity is connect with nozzle in cavity, it is characterised in that：The chamber Inside support protrusion is provided on the madial wall of body, support element is mounted in support protrusion, the support element top Portion has annular support surface, and the fan assembly is supported in by annular support surface on support element, on the outer wall of the fan assembly Annular with outwardly convex takes the portion of holding, and the annular, which is taken the portion of holding and taken, to be held on annular support surface, on the madial wall of the cavity It is provided with button bit, corresponding clamping portion is provided on the support element, the support element is matched by the clamping of clamping portion and button bit Conjunction is fixed in cavity.

2. fan according to claim 1, it is characterised in that：The fan assembly includes fan body and is set in wind turbine sheet The installation shell of external side, the installation shell are fixedly connected with fan body, and the annular takes the portion of holding and is located at installation shell On；

Alternatively, being provided with motor in the fan assembly, the harness being electrically connected with motor is through fan assembly and stretches out blower fan group On the outside of part, the annular takes and is provided with cable hole in the portion of holding, and the harness passes through cable hole and annular support surface and fan assembly The control panel of lower section is electrically connected.

3. fan according to claim 1, it is characterised in that：The pedestal include top installation cylinder and be located at mounting cylinder Pedestal below body, the installation cylinder body bottom has isolation bottom plate, and is provided with air inlet hole on the side wall of installation cylinder, described Control panel is located in the installation cavity that isolation bottom plate is enclosed with pedestal, and isolation bottom plate is provided through on the fan assembly The harness being electrically connected with control panel.

4. fan according to claim 3, it is characterised in that：The installation cylinder body bottom has the annular limit stretched into pedestal Position muscle, wherein the height of the annular stop muscle is not less than 5mm.

5. fan according to claim 1, it is characterised in that：Limiting slot, the support element are provided on the cavity inner wall On be provided with the spacing block set being inserted into limiting slot, the cooperation of the spacing block set and limiting slot realize support element and pedestal only Turn；

Alternatively, being provided with limiting slot on the cavity inner wall, the limited post being inserted into limiting slot is provided on the fan assembly, The rotation stop of fan assembly and pedestal is realized in the cooperation of the limited post and limiting slot.

6. fan according to claim 5, it is characterised in that：It is provided on the inside cavities wall and to extend to support protrusion A plurality of reinforcing rib, and limiting slot is enclosed by adjacent said rib.

7. fan according to claim 1, it is characterised in that：The annular support surface and annular, which take to be provided between the portion of holding, to be subtracted Shake part.

8. fan according to claim 7, it is characterised in that：The shock absorber part is to be set to annular support surface and take with annular to hold Silica gel part between portion or foaming piece；

Alternatively, the annular, which is taken, is provided with mounting hole in the portion of holding, support column is taken across mounting hole and is held on annular support surface, described There is the elastic spacing portion that support column is deviate from from mounting hole that prevents, and the bottom of support column has limit convex at the top of support column Block, meanwhile, the spring being set on the support column under compressive state, and the upper end of spring pushes against and takes the portion of holding in annular The lower end of lower end, spring is pushed against on the spacing block set of support column, wherein shock absorber part is the spring under compressive state.