CN206290468U - Lifting structure and electric fan - Google Patents

Abstract

The utility model discloses a kind of lifting structure and electric fan, wherein lifting structure includes the elastic recovery part in support, the space for being partly sheathed on the cylinder of the support and being placed between the support and the cylinder, and described elastic recovery part one end is fixedly connected with the cylinder；The support or the cylinder alternative one have slide rail, it is another with chute in the two, the axial linear slip for being matched with the support that the cylinder passes through chute and slide rail, and with first position and the second place, the elastic recovery part orders about the cylinder and is slided from the first position to the second place.Fan structure with lifting structure of the present utility model is simple, and stability is high in lifting process.

Description

Lifting structure and electric fan

Technical field

The utility model is related to household appliances technical field, more particularly to a kind of lifting structure and the application lifting structure Electric fan.

Background technology

During the use of electric fan, lifting structure can highly be adjusted to the air-out of electric fan, allow consumer to obtain To more preferable Consumer's Experience.

Existing lifting structure is more complicated, and in lifting process, and the whole machine of electric fan is easily produced and rocked, stability compared with Difference.

Utility model content

Main purpose of the present utility model is to provide a kind of lifting structure, it is intended to simplify lifting structure, improves lifting process In stability and operation convenience.

To achieve the above object, the utility model proposes lifting structure, be applied to electric fan, the lifting structure include machine Seat, the elasticity being partly sheathed in the cylinder of the support and the space that is placed between the support and the cylinder are returned Copy, described elastic recovery part one end is fixedly connected with the cylinder；

The support or the cylinder alternative one have slide rail, and another with chute in the two, the cylinder passes through The axial linear slip for being matched with the support of chute and slide rail, and with first position and the second place, the elasticity is returned Copy orders about the cylinder and is slided from the first position to the second place.

Preferably, the cylinder includes the inwall of the fore shell and rear shell that are mutually fastened and connected, the fore shell and the rear shell At least two slide rails are convexly equipped with, the opposite sides of the support is each provided with least two chutes coordinated with the slide rail.

Preferably, each slide rail is each formed with tooth-shape structure towards the side of the support, and the tooth-shape structure exists Extend on the length direction of the slide rail.

Preferably, the elastic recovery part is provided with two, and two elastic recovery parts are in the radial symmetric of the support Set.

Preferably, the elastic recovery part is wind spring, and the diametrically both sides of the support are each formed with groove, the bullet Property reply part part and be placed in the groove.

Preferably, also including friction component, the friction component is fixedly connected the cylinder and is set towards the support, The lifting structure also includes fixing nut, and the cylinder offers the bolt apertures being engaged with the fixing nut, when the cylinder When body is in the first position or the second place, the friction component is supported by the fixing nut and is close to the support Outer wall.

Preferably, the friction component includes the fixed mount being fixedly connected with the cylinder inboard wall, and is embedded at described Brake pad in fixed mount, the outer wall of the support is recessed to be formed with stopper slot, and the brake pad part is placed in described spacing In groove, when the cylinder is in the first position or the second place, the brake pad is close to the bottom wall of the stopper slot.

Preferably, the fixed mount includes the framework for being used to install the brake pad, and is fixedly connected with the framework Swing arm, the swing arm is connected with rotating shaft away from one end of the framework, and the inwall of the cylinder is provided with draw-in groove, the rotating shaft It is rotationally connected with the draw-in groove.

Preferably, also including the chassis being connected with the support lower end, the barrel jacket is located at the upper end of the support, institute Projected area of the cylinder in horizontal plane is stated less than the chassis in the projected area of horizontal plane.

The utility model also proposes a kind of electric fan, including above-mentioned lifting structure.

Preferably, the electric fan is that tower is fanned or stand fan.

By setting cylinder and support in lifting structure, barrel jacket is located at support to technical solutions of the utility model, in machine Elastic recovery part is set in the space between seat and cylinder, and the chute and slide rail of mutual cooperation are set between cylinder and support Structure, the electric fan with the utility model lifting structure in actual use, by applying external force in cylinder, is capable of achieving Linear elevating movement of the cylinder between the first position on the axis direction of support and the second place, and by chute and cunning The cooperation of rail, carries out guide and limit in the lifting process of cylinder to cylinder, and electric fan will not be produced and rocked, and overall structure is more steady Gu, stability is high in lifting process, and elastic recovery part can drive cylinder to slide into the second place automatically by first position, so The lift adjustment of electric fan more facilitates.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the configuration schematic diagram of an embodiment of the utility model lifting structure；

Fig. 2 is the configuration schematic diagram at another visual angle of lifting structure in Fig. 1；

Fig. 3 is the enlarged diagram at A in Fig. 2；

Fig. 4 is the internal structure schematic diagram of lifting structure in Fig. 1；

Fig. 5 is the enlarged diagram at B in Fig. 4；

Fig. 6 is the cross section structure diagram of lifting structure in Fig. 1；

Fig. 7 is the structural representation of the rear shell of lifting structure in Fig. 1.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Lifting structure	351	Tooth-shape structure
10	Support	37	Draw-in groove
				11	Chute	50	Elastic recovery part
13	Groove	70	Friction component
				15	Stopper slot	71	Brake pad
20	Chassis	73	Fixed mount
				30	Cylinder	731	Framework
31	Fore shell	733	Swing arm
				33	Shell afterwards	735	Rotating shaft
331	Bolt apertures	90	Fixing nut
				35	Slide rail

The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment Relative position relation, motion conditions for being only used for explaining between each part under a certain particular pose (as shown in drawings) etc., such as When really the particular pose changes, then directionality indicates also correspondingly to change therewith.

In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected, or be detachably connected, or integrally；Can mechanically connect, also may be used Be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal Or two interaction relationships of element, unless otherwise clearly restriction.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, and can not be managed such as relating to the description of " first ", " second " etc. is only used for describing purpose in the utility model Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme With reference to occur it is conflicting or when cannot realize it will be understood that the combination of this technical scheme does not exist, also not in the utility model It is required that protection domain within.

The utility model proposes a kind of lifting structure 100.

Fig. 1 to Fig. 3 is refer to, in the embodiment of the utility model one, the lifting structure 100, including support 10, part cover Elastic recovery part 50 in the cylinder 30 of support 10 and the space that is placed between support 10 and cylinder 30, elasticity is returned The one end of copy 50 is fixedly connected with cylinder 30；

Support 10 or the alternative one of cylinder 30 have slide rail, another with chute in the two, cylinder 30 by chute and The axial linear slip for being matched with support 10 of slide rail, and with first position and the second place, elastic recovery part 50 orders about cylinder Body 30 is slided from first position to the second place.

The cylinder 30 is sheathed on the upper end of support 10, and lifting structure 100 also includes what is be fixedly connected with the lower end of support 10 , more than the horizontal projected area of cylinder 30, such the utility model is lifted to be tied for chassis 20, the wherein horizontal projected area on chassis 20 Structure 100, can keep electric fan to stand upright the stabilized structure under state.The utility model lifting structure 100 can be applied to liftable Stand fan or tower fan etc. electric fan product, when it is applied to stand fan, wherein support 10 can connect stand fan with control The fan box of button processed, it is possible to understand that, stand fan also include with the fan motor that is also connected with of box, and guard with motor connection and Flabellum, the elevating movement by cylinder 30 relative to support 10, the lifting of drive motor and flabellum, so as to realize going out for stand fan The regulation of wind height.When lifting structure of the present utility model 100 is applied to tower fan product, the had oscillating mechanism of tower fan, The part such as tubular wine wheel and motor is mounted on support 10 and is placed in cylinder 30, during the use of tower fan, passes through Cylinder 30 realizes the height regulation of the wind that tubular wine wheel is blown out relative to the elevating movement of support 10.

Technical solutions of the utility model are sheathed on by setting cylinder 30 and support 10, cylinder 30 in lifting structure 100 Support 10, sets elastic recovery part 50, and set between cylinder 30 and support 10 in the space between support 10 and cylinder 30 The chute 11 and the structure of slide rail 35 of mutual cooperation are put, the electric fan with the utility model lifting structure is in actually used process In, by applying external force in cylinder 30, cylinder 30 is capable of achieving in the first position on the axis direction of support 10 and the second place Between linear elevating movement, and by the cooperation of chute 11 and slide rail 35, to cylinder 30 in the lifting process of cylinder 30 Guide and limit is carried out, electric fan will not be produced and rocked, overall structure is relatively consolidated, and stability is high in lifting process, and elastic recovery Part 50 can drive cylinder 30 to slide into the second place automatically by first position, and the lift adjustment of such electric fan more facilitates.

The first position of the present embodiment is the relative position for stopping at the lower end of support 10 of cylinder 30, i.e. cylinder 30 declines most The position of lower, the second place is the extreme higher position that the position that cylinder 30 stops at the upper end of support 10, i.e. cylinder 30 rise.

Specifically, the cylinder 30 includes the fore shell 31 and rear shell 33 that are mutually fastened and connected, fore shell 31 and rear shell 33 it is interior Wall is convexly equipped with least two slide rails 35, and the opposite sides of support 10 is each provided with least two chutes coordinated with slide rail 35 11。

Chute 11 on the present embodiment support 10 extends on the axial length of support 10, and each chute 11 is divided into Lower two sections of settings, so can be with material-saving, reduces cost.Support 10 towards the side of fore shell 31 and towards rear shell 33 one Side is provided with two chutes 11, and the structure that two chutes 11 and slide rail 35 coordinate is respectively provided with by the both sides of support 10 so that The attachment structure of cylinder 30 and support 10 is more firm, more stable in the lifting process of cylinder 30.

Further, incorporated by reference to reference picture 5 to Fig. 7, side equal shape of each slide rail 35 of the present embodiment towards support 10 Into there is tooth-shape structure 351, tooth-shape structure 351 extends on the length direction of slide rail 35.

The generally flat strip of the slide rail 35, and with square cross section, each slide rail 35 is in cylinder 30 Axle upwardly extend.By slide rail 35 towards support 10 side formed tooth-shape structure 351, on the one hand can reduce slide rail 35 with The CONTACT WITH FRICTION area of the bottom surface of chute 11, can so reduce the frictional resistance in the lifting process of cylinder 30, on the other hand, in this liter When drop structure is applied to tower fan product, for the frictional resistance between the cylinder 30 and support 10 that further reduce, can be with Paste lubricating oil is smeared in chute 11, by the setting of tooth-shape structure 351, what lubricating oil can be more is placed in tooth-shape structure In 351 depression, the lasting normal work of this lifting structure 100 can be so kept.

In other embodiments, the slide rail 35 may be alternatively provided as T-shaped, and the shape of chute 11 and slide rail 35 are mutually fitted Match somebody with somebody, in this way, the attachment structure of cylinder 30 and support 10 is more firm.

Further, the elastic recovery part 50 of the present embodiment is provided with two, and two elastic recovery parts 50 are in support 10 Radial symmetric set.By two settings of elastic recovery part 50, then in the lifting process of cylinder 30, the both sides of cylinder 30 are equal Even stress, lifting process is more stable.

Specifically, the elastic recovery part 50 is wind spring, and the diametrically both sides of support 10 are each formed with groove 13, wind spring Part is placed in groove 13.The utility model is provided with the card holding structure of T-shaped in the free end of wind spring, and before cylinder 30 The inwall of shell 31 and rear shell 33 is provided with the interface arrangment coordinated with wind spring, in the installation process of wind spring, wind spring and cylinder Clamping is fixed between body 30, is connected more convenient.When lifting structure of the present utility model 100 is applied to tower fan, in the use of tower fan During, when wind spring is in contraction state, wind spring major part is placed in groove 13, is pushed cylinder 30 when cylinder 30 is forced in When, wind spring produces deformation to elongate and produce pulling force in groove 13, and cylinder 30 is displaced downwardly to the second place (lowest order of decline Put), when cylinder 30 needs to rise, can be driven by the deformation pulling force of wind spring, order about and moved on cylinder 30 by first position rising To the second place, whole uphill process is more convenient.

It should be understood that elastic recovery part 50 of the present utility model can also be the structure of torsion spring or extension spring.

In order to realize stationary positioned when cylinder 30 moves to first position or the second place, incorporated by reference to reference picture 2 to figure 5, lifting structure of the present utility model 100 also includes friction component 70, and friction component 70 is fixedly connected the inwall of cylinder 30 and face Set to support 10, lifting structure 100 also includes fixing nut 90, cylinder 30 is offered and being spirally connected that fixing nut 90 is engaged Hole 331, when it is described in first position or the second place when, friction component 70 is supported by fixing nut 90 and is close to support 10 Outer wall.

The present embodiment offers the bolt apertures 331 being engaged with fixing nut 90 on rear shell 33, and friction component 70 is fixed It is connected to the inwall of rear shell 33.Consolidating for 30 two positions of cylinder is realized by the phase mutual friction between friction component 70 and support 10 Positioning, fixing nut 90 is simultaneously not directly contacted with support 10, so matches somebody with somebody with fixing nut 90 without the outer wall setting in support 10 The structure of the draw-in groove, screwed hole or hole clipping of conjunction, then support 10 is simpler in processing and manufacturing process, while in the long-term of electric fan During use, fixing nut 90 will not also be made in the junction with support 10 during fixed cylinder 30 to support 10 Into damage, while so ensuring that the stationary positioned of cylinder 30 is more firm, can also make the long-time holding structure of support 10 complete, so that Extend the service life of electric fan.

Referring once again to Fig. 3, Fig. 5 and Fig. 6, the friction component 70 includes and consolidating that the inwall of the cylinder 30 is fixedly connected Determine frame 73, and be embedded at the brake pad 71 in fixed mount 73, the outer wall of support 10 is recessed to be formed with stopper slot 15, brake pad 71 Part is placed in stopper slot 15, and when cylinder 30 is in first position or the second place, brake pad 71 is close to stopper slot 15 Bottom wall.

The material of the brake pad 71 of the present embodiment is rubber, and the part of brake pad 71 is placed in stopper slot 15, in cylinder 30 Fixation it is spacing during, rely primarily on the interaction between the bottom wall of brake pad 71 and stopper slot 15, in the process, i.e., Make brake pad 71 lossy, because friction component 70 is divided into brake pad 71 and the two parts of fixed mount 73, then brake pad 71 can enter Row replacement operation so that the later maintenance of electric fan is easier.Simultaneously by the cooperation of brake pad 71 and stopper slot 15, on the one hand For guiding is played in the lifting of cylinder 30, another aspect brake pad 71 is not easy to drop, and total is more firm.

Specifically, the fixed mount 73 includes the framework 731 for installing brake pad 71, and fixes company with framework 731 The swing arm 733 for connecing, swing arm 733 is connected with rotating shaft 735 away from one end of framework 731, and the inwall of cylinder 30 is provided with draw-in groove 37, turns Axle 735 is rotationally snapped in draw-in groove 37.

The present embodiment friction component 70 causes that friction component 70 has certain turning by rotating shaft 735 and the cooperation of draw-in groove 37 Kinetic force, when cylinder 30 is located at first position or the second place, when fixing nut 90 near the direction of support 10 to feeding is screwed, Brake pad 71 is slightly flapped toward support 10 and is fitted with the bottom wall of stopper slot 15 so that brake pad 71 has larger frictional contact surface Product, cylinder 30 stays in more firm when first position or the second place.And transported to away from the direction of support 10 in fixing nut 90 When dynamic, brake pad 71 swings to away from the direction of support 10, realizes that brake pad 71 is separated with the bottom wall of stopper slot 15, so will not shadow Ring the slip of cylinder 30 so that the sliding process of cylinder 30 is more smooth.

It should be understood that the stationary positioned of the cylinder 30 that the utility model is made up of fixing nut 90 with friction component 70 Structure can also be other structures form, can be such as spaced on the axial height of support 10 and opened up on the shell wall of support 10 Multiple location holes, and pin hole is opened up in being set on cylinder 30, by the way that latch is through pin hole and snaps in location hole, realize cylinder Stationary positioned of the body 30 relative to support 10.

The utility model also proposes a kind of electric fan, and the electric fan includes lifting structure 100, the tool of the lifting structure 100 Body structure employs whole technical schemes of above-mentioned all embodiments due to this electric fan with reference to above-described embodiment, therefore at least All beneficial effects that technical scheme with above-described embodiment is brought, this is no longer going to repeat them.

Further, electric fan of the present utility model can be the products such as tower fan or stand fan.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (11)

1. a kind of lifting structure, is applied to electric fan, it is characterised in that including support, partly be sheathed on the support cylinder, And be placed between the support and the cylinder formed space in elastic recovery part, described elastic recovery part one end with The cylinder is fixedly connected；

The support or the cylinder alternative one have slide rail, another with chute in the two, and the cylinder passes through chute With the axial linear slip for being matched with the support of slide rail, and with first position and the second place, the elastic recovery part The cylinder is ordered about to be slided from the first position to the second place.

2. lifting structure as claimed in claim 1, it is characterised in that the cylinder include the fore shell being mutually fastened and connected and after The inwall of shell, the fore shell and the rear shell is convexly equipped with least two slide rails, the opposite sides of the support be each provided with At least two chutes that the slide rail coordinates.

3. lifting structure as claimed in claim 2, it is characterised in that side equal shape of each slide rail towards the support Into there is tooth-shape structure, the tooth-shape structure extends on the length direction of the slide rail.

4. lifting structure as claimed in claim 1, it is characterised in that the elastic recovery part is provided with two, two bullets Property reply part in the support radial symmetric set.

5. lifting structure as claimed in claim 4, it is characterised in that the elastic recovery part is wind spring, the footpath of the support Groove is each formed with to opposite sides, the elastic recovery part part is placed in the groove.

6. the lifting structure as described in any one of claim 1 to 5, it is characterised in that also including friction component, the friction group Part is fixedly connected the cylinder and is set towards the support, and the lifting structure also includes fixing nut, and the cylinder is offered The bolt apertures being engaged with the fixing nut, when the cylinder is in the first position or the second place, the friction Component is supported by the fixing nut and is close to the outer wall of the support.

7. lifting structure as claimed in claim 6, it is characterised in that the friction component includes being fixed with the cylinder inboard wall The fixed mount of connection, and be embedded at the brake pad of the fixed mount, the outer wall of the support is recessed to be formed with stopper slot, described Brake pad part is placed in the stopper slot, when the cylinder is in the first position or the second place, the friction Block is close to the bottom wall of the stopper slot.

8. lifting structure as claimed in claim 7, it is characterised in that the fixed mount is included for installing the brake pad Framework, and the swing arm being fixedly connected with the framework, the swing arm are connected with rotating shaft, the cylinder away from one end of the framework The inwall of body is provided with draw-in groove, and the axis of rotation is connected in the draw-in groove.

9. lifting structure as claimed in claim 1, it is characterised in that also including the chassis being connected with the support lower end, institute Barrel jacket is stated located at the upper end of the support, the cylinder is less than the chassis in the throwing of horizontal plane in the projected area of horizontal plane Shadow area.

10. a kind of electric fan, it is characterised in that including the lifting structure as described in wanting any one in 1 to 9 such as right.

11. electric fans as claimed in claim 10, it is characterised in that the electric fan is that tower is fanned or stand fan.