CN211259094U - Anti-screwing shaking base - Google Patents

Abstract

The utility model provides an anti strong base of shaking head that twists, includes base body, base body includes base shell and inlays the rotation seat cover of dress in base shell upper end hole site department, rotate to rotate between seat cover and the base shell and be connected, be provided with the driving motor who is connected with rotation seat cover drive in the base shell, be provided with the buffering subassembly between driving motor and the rotation seat cover, when the buffering subassembly is rotated the seat cover and is twisted the rotation by external force by force, the buffering subassembly utilizes elasticity to dial the elasticity characteristic of piece, slides the dislocation in the inside spacing groove of spacing ring to this plays the effect of buffering regulation, thereby can avoid drive connection structure to appear the phenomenon of damage and take place, the effectual life who prolongs the product and improve the stability of its performance.

Description

Anti-screwing shaking base

Technical Field

The utility model belongs to the technical field of fan auxiliary assembly technique and specifically relates to an anti base of shaking head of twisting by force.

Background

Fan refers to a tool for cooling by generating wind in hot days. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling.

In the field of small-size mini fans, handheld fans are simple in structure, convenient to carry and use and deeply favored by consumers, but the handheld fans also have a defect that the handheld fans cannot be stably erected on a table top for use without other auxiliary accessories, so that in order to overcome the defect, a plurality of fan bases matched with the handheld fans are produced, wherein a multifunctional base which enables the handheld fans to be inserted on the base by using handles and can swing and reverse is not lacked, but the fan bases with the function of swinging heads appearing in the market are directly fixedly connected with a base sleeve and a driving motor output shaft or are in driving connection with the driving motor by using a gear set, and the connection positions of the fan bases have no buffer protection function, so that when a consumer forcibly twists the base sleeve or inserts the handheld fan body on the base sleeve, the connection structure between the base sleeve and the driving motor is damaged, or the base can be dislocated and separated or can be directly damaged and scrapped, so that the shaking function of the base is finished.

Disclosure of Invention

An object of the utility model is to provide an anti base of shaking head of twisting by force, driving motor is provided with the buffering subassembly with rotating among the seat cover drive connection structure, utilizes the buffering subassembly to avoid the seat cover to destroy connection structure when being twisted by force to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti-hard base of shaking head, includes base body, base body includes base shell and inlays the rotation seat cover of inlaying in base shell upper end hole site department, rotate to rotate between seat cover and the base shell and be connected, be provided with the driving motor who is connected with the drive of rotating the seat cover in the base shell, driving motor and rotation are provided with the buffering subassembly between the seat cover, the buffering subassembly rotates the seat cover and receives external force to twist when rotating by force, can play the dislocation buffering and be connected in order to keep the normal drive between driving motor and the rotation seat cover.

Preferably, the buffer assembly comprises a limiting ring fixedly connected with the rotary seat cover and an elastic shifting piece fixedly connected with the output shaft of the driving motor, the limiting ring is a ring body, a plurality of limiting grooves are uniformly distributed on the inner wall surface in a ring shape, the outer wall surface is longitudinally arranged to be of a two-stage step structure, a positioning key is arranged at the outer wall surface with smaller outer diameter in an outward radial extending manner, a shaft core through hole is arranged at the position of a shaft core at the lower end part of the rotary seat cover, the limiting ring is sleeved on the shaft core through hole, a positioning notch for clamping the positioning key is arranged at the position of the shaft core through hole corresponding to the positioning key at the edge, the elastic shifting piece comprises a shaft sleeve mutually sleeved with the output shaft and an elastic ring arranged around the circumference of the shaft sleeve, the inner diameter of the elastic ring is larger than the outer diameter of the shaft sleeve, the elastic ring and the shaft sleeve are integrally connected by a connecting rib, and a shifting key, when the limiting ring and the elastic shifting piece are assembled, the elastic ring is arranged in the limiting ring, and the shifting key can be released and clamped on the limiting groove.

Preferably, the rotary seat cover comprises a seat cover and a bracket fixedly connected to the lower end part of the seat cover.

Preferably, the upper end face of the rotating seat sleeve is provided with a slot, and the handheld fan body can be inserted into the slot.

Preferably, a circuit board is installed in the base shell, the circuit board is electrically connected with a control key and a USB interface, the control key and the USB interface are arranged in a through hole preset in the base shell and extend outwards from the through hole, and the driving motor is electrically connected with the circuit board.

Preferably, the upper cover of the lower end surface of the base shell is provided with a bottom cover.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model provides an anti strong base of shaking head that twists, driving motor with rotate the seat cover and drive the connection structure in be provided with the buffering subassembly, take place when being twisted the phenomenon by force when the seat cover in the use, the buffering subassembly utilizes elasticity to dial piece elastic release and can slide the dislocation in the inside spacing groove of spacing ring to this plays the effect of buffering regulation, thereby can avoid driving connection structure the phenomenon of damage to appear taking place, the effectual life who prolongs the product and the stability that improves its performance.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic view of a first limit ring structure of the present invention;

fig. 4 is a schematic diagram of a second limiting ring structure of the present invention;

FIG. 5 is a schematic view of the elastic shifting member of the present invention;

FIG. 6 is a schematic view of the base of the present invention;

fig. 7 is a reference diagram of the use state of the hand-held fan.

In the figure: 1, a base body; 2, a base shell; 21 hole sites; 3, rotating the seat cover; 31 slot; 32 seat covers; 33 a support; 331 a positioning notch; 332 through hole of the shaft core; 4, a buffer component; 41 a stop collar; 411 positioning keys; 412 a retaining groove; 42 an elastic poking piece; 421 an elastic ring; 422 connecting ribs; 423 shaft sleeve; 424 dialing a key; 5, holding the fan body by hand; 6 a circuit board; 61 control keys; 62 a USB interface; 7 driving the motor; 71 an output shaft; 8 bottom cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-7, the anti-screwing shaking head base comprises a base body 1, wherein the base body 1 comprises a base shell 2 and a rotating seat cover 3 embedded at a hole 21 at the upper end of the base shell 2, the rotating seat cover 3 is rotatably connected with the base shell 2, a driving motor 7 in driving connection with the rotating seat cover 3 is arranged in the base shell 2, a buffer component 4 is arranged between the driving motor 7 and the rotating seat cover 3, and the buffer component 4 can play a role of dislocation buffer to keep normal driving connection between the driving motor 7 and the rotating seat cover 3 when the rotating seat cover 3 is screwed by external force to rotate.

The buffer component 4 comprises a limiting ring 41 fixedly connected with the rotary sleeve 3 and an elastic shifting piece 42 fixedly connected with an output shaft 71 of the driving motor 7, the limiting ring 41 is a circular ring body, a plurality of limiting grooves 412 are uniformly distributed on the inner wall surface in a circular shape, the outer wall surface is longitudinally arranged to be a two-stage step structure, a positioning key 411 is arranged at the outer wall surface with smaller outer diameter in an outward radial extending manner, a shaft core through hole 332 is arranged at the position of a shaft core at the lower end part of the rotary sleeve 3, the limiting ring 41 is sleeved on the shaft core through hole 332, a positioning notch 331 for clamping the positioning key 411 is arranged at the position of the edge of the shaft core through hole 332 corresponding to the positioning key 411, the elastic shifting piece 42 comprises a shaft sleeve 423 mutually sleeved with the output shaft 71 and an elastic ring 421 arranged around the circumference of the shaft sleeve 423, the inner diameter of the elastic ring 421 is larger than the outer diameter of the shaft sleeve 423, so, the structure facilitates the elastic ring 421 to be able to move back when deformed by a force, the elastic ring 421 and the shaft sleeve 423 are integrally connected by the connecting rib 422, the outer wall surface of the elastic ring 421 is provided with a shifting key 424 protruding from the wall surface in an outward radial extension manner, when the retainer ring 41 and the elastic shifting piece 42 are assembled, the elastic ring 421 is arranged in the retainer ring 41, and the shifting key 424 can be releasably clamped on the retainer groove 412.

The rotary seat cover 3 comprises a seat cover 32 and a support 33 fixedly connected to the lower end of the seat cover 32, a slot 31 is formed in the upper end face of the rotary seat cover 3, and the handheld fan body 5 can be inserted into the slot 31.

Install circuit board 6 in the base shell 2, circuit board 6 electric connection has control button 61 and USB interface 62, control button 61 and USB interface 62 set up in the through-hole that base shell 2 predetermines to outwards stretch out from the through-hole, driving motor 7 and circuit board 6 electric connection, a bottom 8 is equipped with to the terminal surface upper cover under the base shell 2. The control key 61 can switch the operating state of the control circuit board 6.

In summary, the following steps: the utility model provides an anti-twist head shaking base, driving motor 7 with rotate 3 drive connection structures of seat cover and be provided with buffering subassembly 4, take place in the use when being twisted the phenomenon by force when the seat cover, buffering subassembly 4 utilizes elasticity to dial piece 42 elastic release can slide the dislocation in spacing groove 412 of spacing ring 41 inside, with this effect of playing the buffering regulation, thereby can avoid drive connection structure the phenomenon of damage to appear taking place, the effectual life who prolongs the product and the stability that improves its performance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a head shaking base is twisted to anti reinforce, includes base body (1), base body (1) include base shell (2) and inlay rotation seat cover (3) of dress in base shell (2) upper end hole site (21) department, rotate between seat cover (3) and the base shell (2) and rotate and be connected, be provided with in base shell (2) and rotate driving motor (7) that seat cover (3) drive is connected, its characterized in that: the buffer component (4) is arranged between the driving motor (7) and the rotating seat cover (3), and the buffer component (4) can play a role of dislocation buffer to keep normal driving connection between the driving motor (7) and the rotating seat cover (3) when the rotating seat cover (3) is twisted and rotated by external force.

2. An anti-screwing shaking head base according to claim 1, characterized in that: the buffer component (4) comprises a limiting ring (41) fixedly connected with the rotary seat sleeve (3) and an elastic shifting piece (42) fixedly connected with an output shaft (71) of the driving motor (7), the limiting ring (41) is a circular ring body, a plurality of limiting grooves (412) are uniformly distributed on the inner wall surface in an annular mode, the outer wall surface is longitudinally arranged to be of a two-stage step structure, a positioning key (411) is arranged at the outer wall surface with a smaller outer diameter in an outward radial extending mode, a shaft core through hole (332) is arranged at the position of a shaft core at the lower end part of the rotary seat sleeve (3), the limiting ring (41) is sleeved on the shaft core through hole (332), a positioning notch (331) for clamping the positioning key (411) is arranged at the position of the edge of the shaft core through hole (332) corresponding to the positioning key (411), the elastic shifting piece (42) comprises a shaft sleeve (423) mutually sleeved with the output shaft (71) and an elastic ring (421) arranged around the circumference, the inner diameter of the elastic ring (421) is larger than the outer diameter of the shaft sleeve (423), the elastic ring (421) and the shaft sleeve (423) are integrally connected through a connecting rib (422), a shifting key (424) protruding out of the wall surface is arranged on the outer wall surface of the elastic ring (421) in an outward radial extending mode, when the limiting ring (41) and the elastic shifting piece (42) are assembled, the elastic ring (421) is arranged in the limiting ring (41), and the shifting key (424) can be releasably clamped on the limiting groove (412).

3. An anti-screwing shaking head base according to claim 1 or 2, characterized in that: the rotary seat cover (3) comprises a seat cover (32) and a bracket (33) fixedly connected to the lower end part of the seat cover (32).

4. An anti-screwing shaking head base according to claim 3, characterized in that: the upper end face of the rotary seat cover (3) is provided with a slot (31), and the handheld fan body (5) can be inserted into the slot (31).

5. An anti-screwing shaking head base according to claim 1, characterized in that: install circuit board (6) in base shell (2), circuit board (6) electric connection has control button (61) and USB interface (62), control button (61) and USB interface (62) set up in base shell (2) predetermined through-hole to outwards stretch out from the through-hole, driving motor (7) and circuit board (6) electric connection.

6. A twisting-resistant shaking head base according to claim 1 or 5, characterized in that: and a bottom cover (8) is covered on the upper end surface of the lower end surface of the base shell (2).

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