CN210889389U

CN210889389U - Electric fan

Info

Publication number: CN210889389U
Application number: CN201921691798.3U
Authority: CN
Inventors: 麦焕; 王季彦; 申志强
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-30
Anticipated expiration: 2029-10-10

Abstract

The utility model provides a pair of electric fan, include: a support bar; the bracket is fixedly connected to the upper end of the supporting rod, and a driving structure for driving the fan head to move is suitable for being installed on the bracket; the shell assembly is arranged on the supporting rod and comprises a first shell and a second shell which are mutually butted, a cavity is formed in the shell assembly, and the bracket is arranged in the cavity; the fastener respectively with first casing second casing fixed connection through setting up the fastener, makes the fastener respectively with first casing, second casing fixed connection, makes the connection between first casing and the second casing more firm reliable, and the clearance between first casing and the second casing can not change.

Description

Electric fan

Technical Field

The utility model relates to an electric fan technical field, concretely relates to electric fan.

Background

In the existing market, the fan is provided with a driving mechanism, the driving mechanism which drives the fan head to rotate is usually arranged on the supporting rod, the left plastic shell and the right plastic shell are fixed with the driving mechanism, and a direct fastening mode is arranged between the two plastic shells, so that the integration of the two plastic shells and the driving mechanism is achieved, and the driving mechanism is covered and protected. Because the lower and general buckle of plastic shell intensity is connected stability not high, so between the plastic shell, the easy grow of fit clearance between plastic shell and the actuating mechanism influences outward appearance and assembly effect.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy big defect in clearance between the plastic shell of the parcel driving piece among the prior art to a connect the electric fan that fastening, clearance can not change between the plastic shell is provided.

In order to solve the technical problem, the utility model provides a pair of electric fan, include:

a support bar;

the bracket is fixedly connected to the upper end of the supporting rod, and a driving structure for driving the fan head to move is suitable for being installed on the bracket;

the shell assembly is arranged on the supporting rod and comprises a first shell and a second shell which are mutually butted, a cavity is formed in the shell assembly, and the bracket is arranged in the cavity;

and the fastening piece is fixedly connected with the first shell and the second shell respectively.

The fastener is arranged outside the supporting rod and positioned at the end parts of the first shell and the second shell.

The fastener is clamped with the first shell and the second shell.

The fastener includes the annular body and locates two at least first buckles on the annular body inner wall, at least one first buckle with first casing joint, at least one first buckle with second casing joint, on the inner wall of first casing with the corresponding position department of first buckle be equipped with first draw-in groove on the inner wall of second casing with the corresponding position department of first buckle is equipped with the second draw-in groove, first buckle be suitable for respectively with first draw-in groove the second draw-in groove joint.

Part of the annular body is sleeved outside the first shell and the second shell.

The first casing the second casing is close to the one end of fastener is equipped with first step portion, the annular body be equipped with first step portion complex second step portion, second step portion with first step portion cooperation back, the surface of annular body with first casing the surface parallel and level of second casing.

The shell body is provided with a first shell body and a second shell body, and the shell body is provided with a first positioning component and a second positioning component.

The first positioning assembly comprises a plurality of first positioning columns arranged on the first shell and a plurality of first positioning holes arranged on the support and matched with the first positioning columns, and the second positioning assembly comprises a plurality of second positioning columns arranged on the second shell and a plurality of second positioning holes arranged on the support and matched with the second positioning columns.

The first positioning column is connected with the first positioning hole in an interference fit mode, and the second positioning column is connected with the second positioning hole in an interference fit mode.

A plurality of first ribs are arranged outside the first positioning column.

And a plurality of second ribs are arranged outside the second positioning columns.

The support is U-shaped and comprises a bottom surface, a first side surface and a second side surface, wherein the first positioning hole is formed in the first side surface, and the second positioning hole is formed in the second side surface.

The first shell is clamped with the second shell.

The first shell and the second shell are provided with a plurality of second buckles on the contact surface, the second shell is provided with a third clamping groove at the position corresponding to the second buckles, and the second buckles are clamped with the third clamping grooves.

The first shell and the second shell are further connected through screws.

A plurality of first threaded hole columns are arranged in the first shell, second threaded hole columns suitable for screws to penetrate through are arranged at positions, corresponding to the first threaded hole columns, on the second shell, and the screws penetrate through the second threaded hole columns and are screwed into the first threaded hole columns to achieve connection of the first shell and the second shell.

The fastener is a plated member.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of electric fan through setting up the fastener, makes the fastener respectively with first casing, second casing fixed connection, makes the connection between first casing and the second casing more firm reliable, and the clearance between first casing and the second casing can not change.

2. The utility model provides a pair of electric fan, the fastener is located outside the bracing piece and be located first casing the tip of second casing, the fastener both is connected with the bracing piece, is connected with first casing, second casing again respectively, can make first casing, second casing be connected on the bracing piece more firm.

3. The utility model provides a pair of electric fan, the fastener with first casing second casing joint, connected mode is simple and convenient.

4. The utility model provides an electric fan, the fastener includes the annular body, and locates at least two first buckles on the annular body inner wall, at least one first buckle with the first casing joint, at least one first buckle with the second casing joint, the inner wall of first casing with the position department that corresponds to first buckle is equipped with first draw-in groove, the inner wall of second casing with the position department that corresponds to first buckle is equipped with second draw-in groove, first buckle is suitable for respectively with first draw-in groove, second draw-in groove joint, when installing, through promoting the fastener, make first buckle block into first draw-in groove, second draw-in groove respectively can realize the connection of fastener and first casing, second casing, the connected mode is simple and convenient, and the position that fastener and first casing, second casing joint is located the inboard of casing subassembly, the appearance is more beautiful.

5. The utility model provides a pair of electric fan, part annular body cover is located first casing the outside of second casing has restricted first casing, second casing in radial direction's removal, makes the first casing more firm with being connected of second casing, and the clearance between first casing and second casing can not change.

6. The utility model provides a pair of electric fan, first casing the second casing is close to the one end of fastener is equipped with first step portion, the annular body be equipped with first step portion complex second step portion, second step portion with first step portion cooperation back, the surface of annular body with first casing the surface parallel and level of second casing, the fastener is connected the back with first casing, second casing, and the surface is neat, and the structure is pleasing to the eye.

7. The utility model provides a pair of electric fan, it is right still to include first locating component that first casing advances line location, right the second locating component that the second casing advances line location is convenient for fix a position the installation to first casing, second casing.

8. The utility model provides a pair of electric fan, first locating component is including locating a plurality of first reference columns on the first casing and locating a plurality of on the support with first reference column complex first locating hole, second locating component is including locating a plurality of second reference columns on the second casing and locating a plurality of on the support with second reference column complex second locating hole, during the installation, aim at first locating hole with first reference column, and the second locating hole is aimed at to the second reference column, can realize the location installation to first casing, second casing, and the location installation mode is simple and convenient easy to operate.

9. The utility model provides a pair of electric fan, first reference column with first locating hole interference fit connects, the second reference column with second locating hole interference fit connects, can avoid the drive structure to drive the support shake in the course of the work.

10. The utility model provides a pair of electric fan, first reference column is equipped with a plurality of first muscle rack teeth outward, has increased the size of first reference column, realizes the interference fit of first reference column and first locating hole, and has strengthened the intensity of first reference column, avoids causing the destruction to first reference column when drive structure drives the support shake in the course of the work.

11. The utility model provides a pair of electric fan, the second reference column is equipped with a plurality of second ribs outward, has increased the size of second reference column, realizes the interference fit of second reference column and second locating hole, and has strengthened the intensity of second reference column, avoids causing the destruction to the second reference column when drive structure drives the support shake in the course of the work.

12. The utility model provides a pair of electric fan, the support is the U type, including bottom surface, first side, second side, first locating hole is established on the first side, the second locating hole is established on the second side, the shape of support both is convenient for and is connected with first casing, second casing location, the installation of the drive structure of being convenient for again.

13. The utility model provides a pair of electric fan, first casing with second casing joint, first casing and second casing connected mode are simple and convenient.

14. The utility model provides a pair of electric fan, first casing with be equipped with a plurality of second buckles on the face that the second casing contacted, on the second casing with the corresponding position department of second buckle is equipped with the third draw-in groove, the second buckle with third draw-in groove joint, first casing and second casing connected mode are simple and convenient, and connect the position more, connect more firmly.

15. The utility model provides a pair of electric fan, first casing with the second casing still passes through the screw connection, makes the connection of first casing and second casing more firm.

16. The utility model provides a pair of electric fan, be equipped with a plurality of first screw hole posts in the first casing, on the second casing with the corresponding position department of first screw hole post is equipped with the second screw hole post that is fit for the screw to pass, and the screw passes second screw hole post is twisted realize in the first screw hole post first casing with the fixed connection of second casing is convenient for realize the fixed connection to first casing and second casing, and exposes the head that only has the screw in the outside, and structural more pleasing to the eye.

17. The utility model provides a pair of electric fan, the fastener is the plated item, and the fastener has the effect of decorating, and is structural more pleasing to the eye.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of an electric fan provided in an embodiment of the present invention;

FIG. 2 is an exploded view of the electric fan of FIG. 1;

FIG. 3 is a schematic structural view of the fastener shown in FIG. 2;

FIG. 4 is a schematic structural view of the first housing shown in FIG. 2;

FIG. 5 is a schematic structural view of the second housing shown in FIG. 2;

FIG. 6 is a schematic structural view of the bracket shown in FIG. 2;

description of reference numerals:

1-a support bar; 2-a housing assembly; 3-a fastener; 4-a scaffold; 5-a first housing; 6-a second shell; 31-an annular body; 32-a first buckle; 33-a second step; 41-bottom surface; 42-a first side; 43-a second side; 44-a first locating hole; 45-second positioning hole; 51-a first card slot; 52-a first step; 53-first positioning column; 54-a first rib; 55-a second buckle; 56-first threaded bore post; 61-a second card slot; 62-a second positioning column; 63-second ribs; 64-a third card slot; 65-second threaded bore post.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a specific implementation of an electric fan, as shown in fig. 1 to 6, including: the support rod 1, the bracket 4, the shell component 2 and the fastener 3.

Wherein the support rod 1 is supported between the base of the electric fan and the fan head; the support 4 is fixedly connected to the upper end of the support rod 1, a driving structure for driving the fan head to move is suitable for being mounted on the support 4, and the support 4 is connected with the support rod 1 in a welding or riveting mode. The shell assembly 2 is arranged on the support rod 1 and comprises a first shell 5 and a second shell 6 which are mutually butted, a cavity is formed in the shell assembly 2, and the support 4 is arranged in the cavity; and the fastening piece 3 is fixedly connected with the first shell 5 and the second shell 6 respectively.

In this embodiment, the fastening member 3 is disposed outside the support rod 1 and located at the end portions of the first housing 5 and the second housing 6, and the fastening member 3 is connected to the support rod 1 and also connected to the first housing 5 and the second housing 6, respectively, so that the connection of the first housing 5 and the second housing 6 to the support rod 1 can be more stable.

In order to facilitate the connection of the fastening member 3 with the first and

second housings

5 and 6, the fastening member 3 is clamped with the first and

second housings

5 and 6. In an alternative embodiment, the fastener 3 is welded to the first and

second housings

5, 6.

Specifically, fastener 3 includes annular body 31 and locates two at least first buckles 32 on the annular body 31 inner wall, at least one first buckle 32 with first casing 5 joint, at least one first buckle 32 with second casing 6 joint, on the inner wall of first casing 5 with the corresponding position department of first buckle 32 be equipped with first draw-in groove 51 on the inner wall of second casing 6 with the corresponding position department of first buckle 32 is equipped with second draw-in groove 61, first buckle 32 be suitable for respectively with first draw-in groove 51 second draw-in groove 61 joint, the connected mode is simple and convenient, and the position of fastener 3 and first casing 5, second casing 6 joint is located housing assembly 2's inboard, and is more pleasing to the eye in appearance.

In this embodiment, a part of the annular body 31 is sleeved outside the first housing 5 and the second housing 6, so as to limit the movement of the first housing 5 and the second housing 6 in the radial direction, so that the connection between the first housing 5 and the second housing 6 is more stable, and the gap between the first housing 5 and the second housing 6 is not changed.

As shown in fig. 4 and 5, a first step portion 52 is disposed at one end of the first housing 5 and the second housing 6 close to the fastening member 3, the annular body 31 is disposed with a second step portion 33 engaged with the first step portion 52, after the second step portion 33 is engaged with the first step portion 52, the outer surface of the annular body 31 is flush with the outer surfaces of the first housing 5 and the second housing 6, and after the fastening member 3 is connected with the first housing 5 and the second housing 6, the outer surface is flush, and the structure is beautiful.

In the present embodiment, in order to facilitate positioning and mounting of the first casing 5 and the second casing 6, the electric fan further includes a first positioning component for positioning the first casing 5 and a second positioning component for positioning the second casing 6.

Specifically, the first positioning assembly includes a plurality of first positioning posts 53 disposed on the first housing 5 and a plurality of first positioning holes 44 disposed on the support 4 and engaged with the first positioning posts 53, the second positioning assembly includes a plurality of second positioning posts 62 disposed on the second housing 6 and a plurality of second positioning holes 45 disposed on the support 4 and engaged with the second positioning posts 62, when in installation, the first positioning posts 53 are aligned with the first positioning holes 44, and the second positioning posts 62 are aligned with the second positioning holes 45, so that the first housing 5 and the second housing 6 can be positioned and installed, and the positioning and installation manner is simple, convenient and easy to operate. Of course, in an alternative embodiment, the first housing 5 and the second housing 6 may be provided with positioning holes, and the bracket 4 may be provided with positioning posts.

In this embodiment, the first positioning column 53 is connected to the first positioning hole 44 in an interference fit manner, and the second positioning column 62 is connected to the second positioning hole 45 in an interference fit manner, so that the driving structure can be prevented from driving the bracket 4 to shake in the working process.

As shown in fig. 4, a plurality of first ribs 54 are arranged outside the first positioning column 53, so that the size of the first positioning column 53 is increased, the interference fit between the first positioning column 53 and the first positioning hole 44 is realized, the strength of the first positioning column 53 is enhanced, and the first positioning column 53 is prevented from being damaged when the driving structure drives the support 4 to shake in the working process.

The second positioning column 62 is externally provided with a plurality of second ribs 63, so that the size of the second positioning column 62 is increased, the interference fit between the second positioning column 62 and the second positioning hole 45 is realized, the strength of the second positioning column 62 is enhanced, and the second positioning column 62 is prevented from being damaged when the driving structure drives the support 4 to shake in the working process.

The support 4 is U-shaped and comprises a bottom surface 41, a first side surface 42 and a second side surface 43, the first positioning hole 44 is formed in the first side surface 42, the second positioning hole 45 is formed in the second side surface 43, and the support 4 is convenient to be connected with the first shell 5 and the second shell 6 in a positioning mode and is convenient to mount a driving structure.

First casing 5 with 6 joints of second casing,

first casing

5 and 6 connected mode of second casing are simple and convenient.

A plurality of second buckles 55 are arranged on the surface of the first shell 5, which is in contact with the second shell 6, a third clamping groove 64 is arranged at a position, corresponding to the second buckles 55, on the second shell 6, and the second buckles 55 are clamped with the third clamping grooves 64. In the present embodiment, the number of the second hooks 55 and the third locking grooves 64 is 7, and the second hooks and the third locking grooves are distributed along the edges of the first housing 5 and the second housing 6.

The first shell 5 and the second shell 6 are further connected through screws, so that the first shell 5 and the second shell 6 are connected more stably.

A plurality of first threaded hole columns 56 are arranged in the first shell 5, second threaded hole columns 65 suitable for screws to pass through are arranged at positions, corresponding to the first threaded hole columns 56, on the second shell 6, the screws pass through the second threaded hole columns 65 and are screwed into the first threaded hole columns 56 to achieve connection of the first shell 5 and the second shell 6, so that fixed connection of the first shell 5 and the second shell 6 is achieved, and only heads of the screws exposed outside are provided, so that the structure is attractive.

In this embodiment, the fastening member 3 is a plated member, and the fastening member 3 has a decorative function and is more beautiful in structure.

During installation, after the driving structure is installed on the support 4, the support 4 is fixed at the upper end of the support rod 1 in a riveting mode, two groups of first positioning columns 53 of the first shell 5 are aligned to first positioning holes 44 on the support 4, two groups of second positioning columns 62 of the second shell 6 are aligned to second positioning holes 45 on the support 4, the first shell 5 and the second shell 6 are pressed tightly, clamping connection between the first shell 5 and the second shell 6 is achieved through matching of the second clamping buckles 55 and the third clamping grooves 64, then screws are inserted into the second threaded hole columns 65 and screwed into the first threaded hole columns 56, and the first shell 5 and the second shell 6 are stably connected. Then, the fastening piece 3 is pushed upwards to the end position of the shell assembly 2 from the lower end of the support rod 1, the first buckle 32 on the fastening piece 3 is respectively clamped with the first shell 5 and the second shell 6, and the partial annular body 31 of the fastening piece 3 is sleeved outside the first shell 5 and the second shell 6, so that the movement of the first shell 5 and the second shell 6 in the radial direction is limited, the connection between the first shell 5 and the second shell 6 is more stable, the gap between the first shell 5 and the second shell 6 cannot be changed, and the phenomenon that the gap at the joint between the first shell 5 and the second shell 6 is enlarged is prevented.

As an alternative embodiment of the above embodiment, the fastening member 3 is ring-shaped and is sleeved outside the first housing 5 and the second housing 6, and the number of the fastening members 3 may be plural.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An electric fan, comprising:

a support bar (1);

the support (4) is fixedly connected to the upper end of the support rod (1), and a driving structure for driving the fan head to move is installed on the support (4);

the shell assembly (2) is arranged on the support rod (1) and comprises a first shell (5) and a second shell (6) which are mutually butted, a cavity is formed in the shell assembly (2), and the support (4) is arranged in the cavity;

and the fastening piece (3) is fixedly connected with the first shell (5) and the second shell (6) respectively.

2. Electric fan according to claim 1, characterized in that the fastening means (3) are arranged outside the support bar (1) at the ends of the first (5) and second (6) housings.

3. Electric fan according to claim 2, characterized in that the fastening element (3) is snap-fitted to the first housing (5) and the second housing (6).

4. The electric fan according to claim 3, characterized in that the fastening member (3) comprises an annular body (31) and at least two first fasteners (32) arranged on the inner wall of the annular body (31), at least one first fastener (32) is fastened to the first housing (5), at least one first fastener (32) is fastened to the second housing (6), a first fastening groove (51) is arranged on the inner wall of the first housing (5) at a position corresponding to the first fastener (32), a second fastening groove (61) is arranged on the inner wall of the second housing (6) at a position corresponding to the first fastener (32), and the first fasteners (32) are respectively adapted to be fastened to the first fastening groove (51) and the second fastening groove (61).

5. The electric fan according to claim 4, characterized in that part of the annular body (31) is sleeved outside the first and second housings (5, 6).

6. The electric fan as claimed in claim 5, wherein a first step (52) is provided at one end of the first housing (5) and the second housing (6) close to the fastening member (3), the annular body (31) is provided with a second step (33) matched with the first step (52), and after the second step (33) is matched with the first step (52), the outer surface of the annular body (31) is flush with the outer surfaces of the first housing (5) and the second housing (6).

7. The electric fan according to claim 1, further comprising a first positioning assembly for positioning the first housing (5), a second positioning assembly for positioning the second housing (6).

8. The electric fan as claimed in claim 7, wherein the first positioning assembly comprises a plurality of first positioning posts (53) arranged on the first housing (5) and a plurality of first positioning holes (44) arranged on the bracket (4) and matched with the first positioning posts (53), and the second positioning assembly comprises a plurality of second positioning posts (62) arranged on the second housing (6) and a plurality of second positioning holes (45) arranged on the bracket (4) and matched with the second positioning posts (62).

9. The electric fan as claimed in claim 8, wherein the first positioning column (53) is in interference fit connection with the first positioning hole (44), and the second positioning column (62) is in interference fit connection with the second positioning hole (45).

10. The electric fan as claimed in claim 9, wherein the first positioning posts (53) are externally provided with a plurality of first ribs (54).

11. The electric fan as claimed in claim 9, wherein a plurality of second ribs (63) are arranged outside the second positioning posts (62).

12. The electric fan as claimed in claim 8, wherein the bracket (4) is U-shaped and comprises a bottom surface (41), a first side surface (42) and a second side surface (43), the first positioning hole (44) is formed on the first side surface (42), and the second positioning hole (45) is formed on the second side surface (43).

13. Electric fan according to claim 1, characterized in that the first housing (5) is snap-fitted to the second housing (6).

14. The electric fan according to claim 13, characterized in that a plurality of second fasteners (55) are arranged on the surface of the first shell (5) contacting with the second shell (6), a third clamping groove (64) is arranged on the second shell (6) corresponding to the second fasteners (55), and the second fasteners (55) are clamped with the third clamping groove (64).

15. Electric fan according to claim 13, characterized in that the first housing (5) and the second housing (6) are also connected by screws.

16. The electric fan as claimed in claim 15, wherein a plurality of first threaded holes (56) are formed in the first housing (5), and a second threaded hole (65) suitable for a screw to pass through is formed in the second housing (6) at a position corresponding to the first threaded holes (56), and a screw passes through the second threaded hole (65) and is screwed into the first threaded hole (56) to connect the first housing (5) and the second housing (6).

17. An electric fan according to claim 1, characterized in that the fastening member (3) is a plated member.