CN214170878U

CN214170878U - Lifting electric fan

Info

Publication number: CN214170878U
Application number: CN202022408277.1U
Authority: CN
Inventors: 余利达
Original assignee: Cixi Kaile Electrical Co ltd
Current assignee: Cixi Kaile Electrical Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-10
Anticipated expiration: 2030-10-26

Abstract

The utility model provides an over-and-under type electric fan, the on-line screen storage device comprises a base, install the locating lever on the base, locating lever upper portion opening and inside cavity, install the lifter in the locating lever, lifter lower part center processing breach, install the pivot between two lateral walls of breach, pivot mid-mounting wind spring, wind spring inner is fixed with the pivot, the wind spring outer end stretches out the locating lever and passes through the bolt fastening along dodging the groove on the locating lever lateral wall, the lifter passes through the wind spring and forms relative sliding structure with the locating lever, locating lever upper portion installation buckle mechanism buckles mutually with the lifter, lifter top installation fan head, screen panel and flabellum are installed on fan head right side. This structure of electric fan through at the directional installation coil spring of lifter lower part installation, guarantees that the coil spring rotates along a fixed center, and the whole elasticity of coil spring changes stably, and the lifter relies on the elastic restoring force of coil spring to support, and through the spacing lock of buckle mechanism, set up a plurality of draw-in grooves that correspond and carry out altitude mixture control, convenient operation.

Description

Lifting electric fan

Technical Field

The utility model relates to a lifting type electric fan.

Background

The electric fan is a necessary daily necessity in summer, and different use occasions need different heights, so that the purpose of reasonable air supply is achieved.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a lifting electric fan.

In order to achieve the purpose, the utility model provides an over-and-under type electric fan, the on-line screen storage device comprises a base, install the locating lever on the base, locating lever upper portion opening and inside cavity, install the lifter in the locating lever, lifter lower part center processing breach, install the pivot between two lateral walls of breach, pivot mid-mounting wind spring, wind spring inner with the pivot is fixed, the wind spring outer end is followed dodge the groove on the locating lever lateral wall and stretch out the locating lever passes through the bolt fastening, the lifter passes through the wind spring with the locating lever forms relative sliding structure, locating lever upper portion installation buckle mechanism with lifter looks lock, lifter top installation fan head, screen panel and flabellum are installed to the fan head right side.

As the utility model discloses further improve, locating lever inner wall one side is equipped with the guide block of axial distribution, guide block upper portion processing recess, install in the recess buckle mechanism, processing guide way on the lifter outer wall with the guide block is corresponding, equidistant processing draw-in groove on the guide way internal face, buckle mechanism with draw-in groove looks lock.

As the utility model discloses further improve, buckle mechanism includes the fixed axle, the fixed axle is installed between two lateral walls of recess, fixed axle mid-mounting buckle, buckle both sides installation torsional spring, the buckle is including pressing splenium and buckling parts, press the corresponding installation button of splenium left, the button stretches out the outer wall of locating lever, the buckling parts stretches into in the draw-in groove.

As a further improvement, the inclined plane is formed by processing the top wall of the clamping groove), the inclined plane is inclined from bottom to top.

As the utility model discloses further improve, antifriction bearing is still installed at the pivot both ends, processing through-hole I on two relative lateral walls in breach, antifriction bearing installs in through-hole I.

As the utility model discloses further improve, base top central authorities process the constant head tank, radial protrusion forms the stopper on the constant head tank lateral wall, constant head tank bottom central authorities process the through-hole, the dead slot is kept away in the processing of through-hole below, processing the spacing groove on the lateral wall of locating lever lower part with the stopper is corresponding, locating lever bottom processing forms the thread location head, the thread location head passes the through-hole passes through nut locking fixedly.

The utility model has the advantages that:

this structure of electric fan, through at the directional installation coil spring of lifter lower part installation, guarantee that the coil spring rotates along a fixed center, the whole elastic change of coil spring is stable, forms stable elastic support to the lifter, sets up buckle mechanism on the cylinder of location and carries out spacing lock to the lifter, corresponds buckle mechanism on the lifter and sets up a plurality of draw-in grooves, and the altitude mixture control scope is big, convenient operation.

Drawings

Fig. 1 is a front view of a lifting electric fan of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 2;

FIG. 5 is a plan view of a positioning rod of the component 2;

FIG. 6 is a side view of the lifter of part 5;

fig. 7 is a top view of the base of the component 1.

In the figure: 1. a base; 11. positioning a groove; 12. a limiting block; 13. a through hole; 14. an empty avoiding groove; 2. positioning a rod; 21. a groove; 22. a guide block; 23. an avoidance groove; 24. a limiting groove; 25. a thread positioning head; 3. a coil spring; 4. a buckle mechanism; 41. a button; 42. buckling; 421. a pressing part; 422. a fastening part; 43. a torsion spring; 44. a fixed shaft; 5. a lifting rod; 51. a guide groove; 52. a card slot; 521. a bevel; 53. a notch; 531. a through hole I; 54. a rotating shaft; 55. a rolling bearing; 6. a fan head; 7. a mesh enclosure; 8. a fan blade.

Detailed Description

As shown in figure 1, the lifting electric fan of the utility model comprises a base 1, a positioning rod 2 is arranged on the base 1, a positioning groove 11 is arranged at the top center of the base 1, a limiting block 12 is formed on the side wall of the positioning groove 11 in a radial protruding way, a through hole 13 is arranged at the bottom center of the positioning groove 11, a clearance groove 14 is arranged below the through hole 13, a limiting groove 24 is arranged on the side wall at the lower part of the positioning rod 2 and corresponds to the limiting block 12, a thread positioning head 25 is arranged at the bottom of the positioning rod 2, the thread positioning head 25 passes through the through hole 13 and is locked and fixed by a nut (see figure 3 and figure 7), the upper part of the positioning rod 2 is opened and hollow, a lifting rod 5 is arranged in the positioning rod 2, a notch 53 is arranged at the center of the lower part of the lifting rod 5, a rotating shaft 54 is arranged between two side walls of the notch 53, rolling bearings 55 are arranged at two ends of the rotating shaft 54, through holes 531 are arranged on two opposite side walls of the notch 53, the rolling bearing 55 is installed in a through hole I531 (see fig. 6), the middle part of the rotating shaft 54 is provided with a coil spring 3, the inner end of the coil spring 3 is fixed with the rotating shaft 54, the outer end of the coil spring 3 extends out of the positioning rod 2 along the avoiding groove 23 on the side wall of the positioning rod 2 and is fixed through a bolt (see fig. 2 and fig. 4), the lifting rod 5 and the positioning rod 2 form a relative sliding structure through the coil spring 3, the upper part of the positioning rod 2 is provided with a buckling mechanism 4 and a lifting rod 5 to be buckled, one side of the inner wall of the positioning rod 2 is provided with guide blocks 22 which are axially distributed, the upper part of each guide block 22 is provided with a groove 21, the groove 21 is installed in each groove 21 and is provided with a buckling mechanism 4 (see fig. 5), the outer wall of the lifting rod 5 is provided with guide grooves 51 corresponding to the guide blocks 22, the inner wall of each guide groove 51 is provided with clamping grooves 52 at equal intervals, the top wall of each clamping groove 52 is machined to form an inclined surface 521, the inclined surface 521 from bottom to the left, the buckling mechanism 4 is buckled with a fixing shaft 44, the fixing shaft 44 is installed between two side walls of the groove 21, the buckle 42 is installed in the middle of the fixing shaft 44, the torsion springs 43 are installed on two sides of the buckle 42, the buckle 42 comprises a pressing portion 421 and a buckling portion 422, the button 41 is installed on the left of the pressing portion 421 correspondingly, the button 41 extends out of the outer wall surface of the positioning rod 2, the buckling portion 422 extends into the clamping groove 52, the fan head 6 is installed on the top of the lifting rod 5, and the mesh enclosure 7 and the fan blades 8 are installed on the right side of.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

when the height of the electric fan needs to be reduced, only the lifting rod is pressed downwards, the outer end of the coil spring is fixed with the positioning rod, the inner end of the coil spring is fixed with the rotating shaft at the lower part of the lifting rod, the outer end of the coil spring is unfolded after the coil spring is pressed downwards, the center moves downwards along with the lifting rod, the buckling part of the buckle rises in the clamping groove relative to the clamping groove and slides out along the inclined plane at the upper part of the clamping groove, the buckle rotates along the fixed shaft at the center, the torsion springs at two sides of the buckle correspondingly generate elastic compression, and when the lifting rod reaches the designated height, the buckling part of the buckle extends into the clamping groove under the action of the elastic restoring force of the torsion springs to limit the lifting rod;

when the electric fan height needs to be increased, as long as the button is pressed, the right pressure is applied to the pressing part of the buckle by the button, the buckle rotates along with the situation, the torsional springs on the two sides of the buckle are elastically compressed, the buckling part of the buckle is disengaged from the clamping groove, the lifting rod automatically rises under the action of the elastic restoring force of the coil spring, when the specified height is reached, the button is loosened, the torsional spring resets, and the buckle extends into the clamping groove under the action of the restoring force of the torsional spring to limit the lifting rod.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting electric fan is characterized in that: the device comprises a base (1), a positioning rod (2) is installed on the base (1), the upper portion of the positioning rod (2) is opened and hollow, a lifting rod (5) is installed in the positioning rod (2), a notch (53) is machined in the center of the lower portion of the lifting rod (5), a rotating shaft (54) is installed between two side walls of the notch (53), a coil spring (3) is installed in the middle of the rotating shaft (54), the inner end of the coil spring (3) is fixed with the rotating shaft (54), the outer end of the coil spring (3) extends out of the positioning rod (2) along a avoiding groove (23) in the side wall of the positioning rod (2) and is fixed through a bolt, the lifting rod (5) and the positioning rod (2) form a relative sliding structure through the coil spring (3), a buckling mechanism (4) is installed on the upper portion of the positioning rod (2) and buckled with the lifting rod (5), a fan head (6) is installed on the top of the lifting rod (5), and a mesh enclosure (7) and fan blades (8) are arranged on the right side of the fan head (6).

2. The elevating electric fan as set forth in claim 1, wherein: the positioning rod (2) is characterized in that guide blocks (22) which are axially distributed are arranged on one side of the inner wall of the positioning rod (2), grooves (21) are machined in the upper portions of the guide blocks (22), the buckling mechanisms (4) are installed in the grooves (21), guide grooves (51) are machined in the outer wall of the lifting rod (5) and correspond to the guide blocks (22), clamping grooves (52) are machined in the inner wall face of the guide grooves (51) at equal intervals, and the buckling mechanisms (4) are buckled with the clamping grooves (52).

3. The elevating electric fan as claimed in claim 2, wherein: buckle mechanism (4) are including fixed axle (44), fixed axle (44) are installed between two lateral walls of recess (21), fixed axle (44) mid-mounting buckle (42), buckle (42) both sides installation torsional spring (43), buckle (42) are including pressing splenium (421) and buckling parts (422), press splenium (421) left to correspond installation button (41), button (41) stretch out locating lever (2) outer wall face, buckling parts (422) stretch into in draw-in groove (52).

4. The elevating electric fan as claimed in claim 2, wherein: the top wall of the clamping groove (52) is processed to form an inclined surface (521), and the inclined surface (521) inclines from bottom to top to left.

5. The elevating electric fan as set forth in claim 1, wherein: rolling bearings (55) are further mounted at two ends of the rotating shaft (54), through holes I (531) are machined in two opposite side walls of the notch (53), and the rolling bearings (55) are mounted in the through holes I (531).

6. The elevating electric fan as set forth in claim 1, wherein: base (1) top center processing constant head tank (11), radial salient formation stopper (12) on constant head tank (11) lateral wall, constant head tank (11) bottom center processing through-hole (13), empty slot (14) are kept away in through-hole (13) below processing, processing spacing groove (24) on locating lever (2) lower part lateral wall with stopper (12) are corresponding, locating lever (2) bottom processing forms screw thread location head (25), screw thread location head (25) pass through-hole (13) are fixed through nut locking.