CN214092472U

CN214092472U - Locking mechanism and portable electric fan thereof

Info

Publication number: CN214092472U
Application number: CN202022910413.7U
Authority: CN
Inventors: 赖均勇; 肖星
Original assignee: Guangdong Shunde Juncai Energy Saving Electrical Appliance Technology Co ltd
Current assignee: Guangdong Shunde Juncai Energy Saving Electrical Appliance Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-31
Anticipated expiration: 2030-12-04

Abstract

The embodiment of the utility model provides a locking mechanism and a portable electric fan thereof, which comprises a hinged seat and a rotating shaft, wherein one end of the rotating shaft is hinged on the hinged seat so as to be rotatably connected with the hinged seat, and the rotating shaft is provided with an external thread; the locking structure is provided with an internal thread, the internal thread is matched with the external thread, so that the locking structure is sleeved on the hinged seat and the rotating shaft and used for preventing the hinged seat from rotating between the rotating shafts. The locking mechanism and the portable electric fan are simple in overall structure, compact in structure after being folded and stored, small in size and free of occupying space of a user. It can realize multi-angle adjustment and upset folding function through the rotatable coupling between axis of rotation and the base for the electric fan can blow wind well and send the human body on, and can fold when not using and receive on the base, easily accomodate and conveniently carry.

Description

Locking mechanism and portable electric fan thereof

Technical Field

The utility model relates to a daily domestic appliance technical field, concretely relates to locking mechanism and portable's electric fan thereof.

Background

An electric fan, also known as an electric fan, is a daily household appliance mainly used for cooling, relieving summer heat and circulating air, and utilizes an electric motor to drive blades to rotate so as to accelerate the circulation of air. With the scientific progress and the continuous improvement of the social level, the requirement of people on the comfort is higher and higher, and people pay more attention to the safety of the outdoor environment and pay more attention to the comfort of the indoor environment. For indoor temperature regulation, the most common fans in homes are too powerful.

Traditional electric fan when not using, can not fold and accomodate, both occupation space easily, also inconvenient user carries simultaneously. Although a large number of small electric fan products such as handheld type and wearable type electric fans appear in the prior art, the small electric fan products have the advantages of being convenient to carry and capable of being used anytime and anywhere, but have the defects of small air quantity, poor cooling effect, inconvenience in holding and wearing and the like. In addition, traditional electric fan is when using, and relatively fixed when between fan main part and base, the connecting rod, and the air supply angle of fan main part is difficult to adjust for on the electric fan can not blow the wind to the human body well, lead to user's use to experience poorly.

Therefore, the existing electric fan cannot meet the use requirements of the masses in daily life.

SUMMERY OF THE UTILITY MODEL

To the defect in the above background art with not enough, the utility model provides a locking mechanism and portable's electric fan thereof, this locking mechanism and portable's electric fan have the characteristics that the angular adjustment nature of blowing is good, convenience of customers is folding accomodate, after folding occupation space and portable not.

A locking mechanism, comprising:

the hinge base is hinged to one end of the rotating shaft, so that the rotating shaft and the hinge base can be rotatably connected together, and external threads are arranged on the rotating shaft;

the locking structure is provided with an internal thread, the internal thread is matched with the external thread, so that the locking structure is sleeved on the hinged seat and the rotating shaft and used for preventing the hinged seat from rotating between the rotating shafts.

Further, the locking structure is a shaft sleeve.

Further, the rotating shaft comprises a first rotating part which is hinged on the hinge seat, so that the rotating shaft and the hinge seat are rotatably connected together.

Further, still include telescopic machanism, the axis of rotation is equipped with the bead structure, telescopic machanism is equipped with the depressed part, the bead structure with but the depressed part sliding fit, thereby make telescopic machanism's one end telescopically insert establish in the axis of rotation.

Furthermore, the telescopic mechanism comprises a plurality of telescopic rods, and two adjacent telescopic rods are in slidable fit through the concave parts, so that the telescopic rods are telescopically connected together.

Based on same design, the utility model also provides a portable's electric fan, this portable's electric fan includes above locking mechanism.

Further, the fan comprises a base and a fan main body, wherein the hinge base is fixedly arranged on the base, and the other end of the telescopic mechanism is hinged to the fan main body, so that the fan main body is rotatably connected with the telescopic mechanism.

Further, the fan main part is equipped with the holding tank, the holding tank is used for holding folding axis of rotation with telescopic machanism to make folding back the base with the fan main part is adjacent to be set up.

Further, articulated portion is equipped with the butt piece, the butt piece is equipped with the arcwall face, the axis of rotation butt sets up on the arcwall face to improve axis of rotation pivoted stability.

Further, the butt joint piece adopts the silica gel material.

The utility model provides a locking mechanism and portable's electric fan thereof includes base, fan main part, articulated seat, axis of rotation, locking structure and telescopic machanism, makes the fan main part can realize turning over the function of folding and multi-angle adjustment through axis of rotation and telescopic machanism, makes between axis of rotation and the base can realize locking fixed function through locking structure. The specific principle is as follows: the rotation axis among the locking mechanism rotationally sets up on the articulated seat of base, can realize the adjustment of contained angle size between telescopic machanism and the base through rotating this rotation axis, and then realizes the angular adjustment function of the fan main part that the telescopic machanism other end is connected. Meanwhile, the telescopic mechanism and the rotating shaft can be turned and folded onto the base by rotating the telescopic mechanism, so that the fan main body connected with the other end of the telescopic mechanism can be folded and collected on the base. In addition, establish the locking mechanism cover on articulated seat and axis of rotation, play the rotation limiting displacement to the two, can effectively prevent the relative rotational motion between the two, realize the locking function between telescopic machanism and the base, prevent that the telescopic machanism from locking the pivoted condition still appearing behind the base.

The utility model discloses a locking mechanism and portable's electric fan compares in prior art, has following beneficial effect at least:

the fan main body can realize the function of multi-angle adjustment through the rotatable connection between the rotating shaft and the base, so that the electric fan can well blow wind to a human body, and the use experience of a user is effectively improved;

secondly, through the rotatable connection between the rotating shaft and the base, the fan main body can realize the function of turning and folding, and can be folded and collected on the base when not in use, so that the fan is easy to store and convenient to carry;

the locking structure is arranged on the hinged seat and the rotating shaft, so that the locking function between the rotating shaft and the base can be effectively realized, and the telescopic mechanism is prevented from rotating after being locked;

the portable electric fan has simple integral structure, compact integral structure after being folded and stored, smaller volume and no occupation of space of users.

Drawings

Fig. 1 is a schematic structural view of an unfolded state of the portable electric fan of the present invention;

fig. 2 is a schematic structural view of the portable electric fan according to the present invention in a folded state;

fig. 3 is a schematic structural view of the fan main body and the telescopic rod of the present invention;

fig. 4 is a schematic structural view of the base, the locking structure and the rotating shaft of the present invention;

fig. 5 is a schematic structural view of the base and the rotating shaft of the present invention;

FIG. 6 is an enlarged partial schematic view of the circled portion of FIG. 5;

fig. 7 is a schematic view of a rotating shaft of the present invention;

fig. 8 is a schematic structural view of the rotating shaft and the telescopic rod of the present invention;

FIG. 9 is an enlarged partial schematic view of the circled portion of FIG. 8;

fig. 10 is a schematic structural view of the abutment member of the present invention;

description of reference numerals: 1. a base; 101. a hinged seat; 2. a fan main body; 201. accommodating grooves; 3. a telescoping mechanism; 4. a locking structure; 5. a rotating shaft; 501. an external thread; 502. a first rotating section; 503. a rib structure; 6. a telescopic rod; 601. a recessed portion; 602. a second rotating part; 7. an abutting member; 701. an arc-shaped surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1, 4-7, in an embodiment of the present invention, the locking mechanism includes a hinge base 101, a rotating shaft 5 and a locking structure 4, wherein the rotating shaft 5 is provided with an external thread 501, and one end of the rotating shaft 5 is hinged to the hinge base 101 so as to be rotatably connected to the hinge base 101; the locking structure 4 is provided with an internal thread, and the internal thread and the external thread 501 are matched with each other, so that the locking structure 4 is sleeved on the hinge base 101 and the rotating shaft 5 to prevent the rotation between the hinge base 101 and the rotating shaft 5. Particularly, the fan body 2 can realize the functions of turning and folding and multi-angle adjustment through the rotating shaft 5 and the telescopic mechanism 3, and the rotating shaft 5 and the base 1 can realize the locking and fixing functions through the locking structure 4. The specific principle is as follows: the rotation axis 5 among the locking mechanism rotationally sets up on articulated seat 101 of base 1, can realize the adjustment of contained angle size between telescopic machanism 3 and the base 1 through rotating this rotation axis 5, and then realizes the angular adjustment function of fan main part 2 that the telescopic machanism 3 other end is connected. Meanwhile, the telescopic mechanism 3 and the rotating shaft 5 can be turned and folded onto the base 1 by rotating the telescopic mechanism 3, so that the fan main body 2 connected with the other end of the telescopic mechanism 3 can be folded and collected on the base 1.

More specifically, axis of rotation 5 is equipped with external screw thread 501, and locking structure 4 is equipped with the internal thread, and internal thread and external screw thread 501 mutually support to establish locking structure 4 fixed cover on articulated seat 101 and axis of rotation 5, be used for preventing the rotation between articulated seat 101 and the axis of rotation 5 through setting up this locking structure 4. Particularly, close soon each other internal thread on 4 of locking structure and the external screw thread 501 of axis of rotation 5, thereby establish 4 fixed cover of locking structure on articulated seat 101 and axis of rotation 5, play the rotation limiting displacement to the two, make telescopic machanism 3 set up perpendicularly on base 1, the angle size between telescopic machanism 3 and the base 1 can't be adjusted again, thereby effectively prevent relative rotational motion between the two, realize the locking function between telescopic machanism 3 and the base 1, prevent that the pivoted condition still appears after telescopic machanism 3 locks on base 1.

Optionally, the locking structure 101 is a shaft sleeve, which is sleeved on the hinge base 101 and the rotating shaft 5 for preventing the rotation between the hinge base 101 and the rotating shaft 5.

In addition, referring to fig. 5 to 7, the rotating shaft 5 includes a first rotating portion 501, and the first rotating portion 501 is hinge-coupled to the hinge base 101, so that the rotating shaft 5 and the hinge base 101 are rotatably coupled by means of a hinge coupling. Specifically, the first rotating portion 501 is a hollow shaft structure disposed perpendicular to the rotating shaft 5, that is, a horizontally disposed hollow shaft structure, and the hinge base 101 is provided with a horizontally disposed protrusion structure, and the hollow shaft structure can be matched with the protrusion structure on the hinge base 101, so that the first rotating portion 501 can be hingedly disposed on the hinge base 101. The structural design mode of the hinged connection between the first rotating part 501 and the hinged seat 101 has enough rigidity, and can bear enough bending moment, so that the rotating shaft 5 can stably rotate on the base 1, and the angle adjusting function of the fan main body 2 and the telescopic mechanism 3 can be conveniently turned and folded on the base 1.

Referring to fig. 1, 8 and 9, in a further aspect of this embodiment, the locking mechanism further comprises a telescoping mechanism 3, the rotating shaft 5 is provided with a rib structure 503, the telescoping mechanism 3 is provided with a recess 601, and the rib structure 503 and the recess 601 are slidably engaged, so that one end of the telescoping mechanism 3 is telescopically inserted into the rotating shaft 5. Specifically, the telescopic mechanism 3 integrally includes a fixed end and a telescopic end, the fixed end is the bottom end of the telescopic mechanism 3 and is telescopically inserted into the rotating shaft 5, the telescopic end is the top end of the telescopic mechanism 3, and the length of the telescopic end is adjustable and is connected with the fan main body 2. This electric fan convenient to carry is when the user state, and telescopic machanism 3 is whole to be in tensile extension state, and telescopic machanism 3's bottom can stretch to the top position of axis of rotation 5, and its length can be adjusted according to user's in-service use demand to flexible end, and then adjusts fan main body 2's height, realizes fan main body 2's altitude mixture control function. Furthermore, the rib structures 503 are elongated protruding structures disposed on the inner side wall of the rotating shaft 5, and the recessed portions 601 are elongated recessed structures disposed on the outer side wall of the telescoping mechanism 3, and when the telescopic mechanism is assembled, the rib structures 503 are aligned with the recessed portions 601 to realize a slidable fit therebetween, so that the bottom of the telescoping mechanism 3 is slidably inserted into the rotating shaft 5, that is, telescopically inserted into the rotating shaft 5.

Furthermore, the telescopic mechanism 3 comprises a plurality of telescopic rods 6, and two adjacent telescopic rods 6 are slidably matched through the concave part 601, so that the telescopic rods 6 are telescopically connected together. In the further embodiment, the telescopic mechanism 3 is formed by connecting a plurality of telescopic rods 6 which can be in sliding fit, so that the telescopic rods 6 can be in telescopic connection, the extending and shortening functions of the telescopic end of the telescopic mechanism 3 are realized, and the height adjusting function of the fan main body 2 is further realized. The specific adjustment process is as follows: when the height of the fan main body 2 needs to be increased, the telescopic rods 6 are stretched and unfolded, and the length of the telescopic mechanism 3 is increased, so that the height of the fan main body 2 is increased; when the height of the fan main body 2 needs to be reduced, the telescopic rods 6 are compressed and shortened, and the length of the telescopic mechanism 3 is reduced, so that the height of the fan main body 2 is reduced. More specifically, for two adjacent telescopic rods 6, the concave part 601 on the bottom telescopic rod 6 is equivalent to a convex part structure relative to the concave part 601 on the top telescopic rod, and the convex part structure is matched with the concave part 601 on the top telescopic rod, so that the telescopic connection between two adjacent telescopic rods 6 can be realized, and the telescopic performance between all telescopic rods 6 can be realized.

Based on same design, the utility model also provides a portable's electric fan, this portable's electric fan includes the locking mechanism of above description.

Referring to fig. 1-3, in another embodiment of the present invention, the portable electric fan further includes a base 1 and a fan main body 2, a hinge base 101 is fixedly disposed on the base 1, and the other end of the telescopic mechanism 3 is hinged on the fan main body 2, so that the fan main body 2 and the telescopic mechanism 3 can be rotatably connected. Specifically, the telescoping mechanism 3 further includes a second rotating portion 602, and the second rotating portion 602 is hinged to the fan main body 2, so that the fan main body 2 and the telescoping mechanism 3 are rotatably connected. Specifically, the second rotating portion 602 is a shaft structure disposed perpendicular to the telescopic mechanism 3, i.e. a transversely disposed shaft structure, and a transversely disposed hollow groove is disposed at a corresponding position of the fan main body 2, and the shaft structure is connected with the hollow groove of the fan main body 2 in a rotatable fit manner, so that the second rotating portion 602 can be hinged to a side position disposed on the fan main body 2. The structural design mode of the hinged connection between the second rotating part 602 and the fan main body 2 has a rigidity large enough, and can bear a bending moment large enough at the same time, so that the telescopic mechanism 3 can stably rotate on the fan main body 2, thereby realizing the angle adjustment function of the fan main body 2 and facilitating the overturning and folding of the telescopic mechanism 3 onto the fan main body 2.

Referring to fig. 2 and 3, in a preferred embodiment of the present embodiment, the fan main body 2 is provided with a receiving groove 201, and the receiving groove 201 is used for receiving the folded rotating shaft 5 and the telescopic mechanism 3, so that the folded base 1 and the fan main body 2 are adjacently disposed. In this preferred embodiment, the receiving groove 201 is a recessed structure recessed toward the inside of the fan main body 2, and the receiving groove 201 forms a receiving space for the rotating shaft 5 and the telescopic mechanism 3 to be folded. The specific folding process is as follows: the locking structure 4 is taken down from the hinge seat 101 and the rotating shaft 5, the locking between the telescopic mechanism 3 and the base 1 is released, all telescopic rods 601 in the telescopic mechanism 3 are compressed and shortened, the telescopic mechanism 3 after being compressed and shortened is pushed into the rotating shaft 5, the compression and storage operation of the locking mechanism 3 is completed, the locking mechanism 3 after being compressed and stored is turned to the position tightly attached to the base 1 and is placed into the containing groove 201 of the fan body 2, and as shown in fig. 2, the base 1 and the fan body 2 can be arranged tightly and adjacently.

Referring to fig. 10, alternatively, the hinge portion 101 is provided with an abutting member 7, the abutting member 7 is provided with an arc surface 701, and the rotating shaft 5 is abutted on the arc surface 701, so that the stability of rotation of the rotating shaft 5 is improved. Specifically, the arc surface 701 is provided on the upper surface of the abutment member 7, and is attached to the rotation movement locus of the outer surface of the first rotation portion 502, and by providing the arc surface of the abutment member 7, the slippage between the two can be prevented, thereby improving the stability of the rotation of the first rotation portion 502.

Further, the abutting member 7 is made of a silica gel material. Specifically, the silica gel material is a highly active adsorption material, which can increase the frictional resistance between the abutting member 7 and the first rotating portion 502 to a certain extent, further prevent the slipping between the two, and facilitate the user to adjust the angle between the rotating shaft 5 and the hinge base 101. In addition, the abutting piece 7 made of the silica gel material abuts against the first rotating part 501, and when the first rotating part 502 rotates, the abutting piece 7 can give a more intuitive feedback effect to the user.

To sum up, the utility model provides a locking mechanism and portable's electric fan thereof includes base 1, fan main part 2, telescopic machanism 3 and locking structure 4, makes fan main part 2 can realize turning over folding and multi-angle adjustment's function through telescopic machanism 3, makes and to realize locking fixed function through locking structure 4 between telescopic machanism 3 and the base 1. Generally speaking, this electric fan convenient to carry overall structure is simple, and overall structure after folding and accomodating is compact, and the volume is less, does not occupy user's space. It is through the rotatable coupling between telescopic machanism 3 and the base 1, and fan main part 2 can realize multi-angle adjustment's function for fan main part 2 can be well with wind blow send the human body on, can effectively improve the user and use experience. In addition, this portable's electric fan passes through the rotatable coupling between telescopic machanism 3 and the base 1, and the folding function of upset can be realized to fan main part 2, can fold when not using and receive on base 1, easily accomodate and conveniently carry. Furthermore, by arranging the locking structure 4 on the hinge base 101 and the rotating shaft 5, the locking function between the telescopic mechanism 3 and the base 1 can be effectively realized, and the situation that the telescopic mechanism 3 still rotates after being locked on the base 1 is prevented.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.

Claims

1. A locking mechanism, comprising:

2. The locking mechanism of claim 1, wherein the locking structure is a bushing.

3. The latch mechanism according to claim 1, wherein the rotary shaft includes a first rotary portion which is hinge-coupled to the hinge seat so that the rotary shaft and the hinge seat are rotatably coupled together.

4. The locking mechanism of claim 1, further comprising a telescoping mechanism, wherein the shaft is provided with a rib structure, and wherein the telescoping mechanism is provided with a recess, the rib structure and the recess being slidably engaged such that one end of the telescoping mechanism is telescopically inserted into the shaft.

5. The latch mechanism of claim 4, wherein the telescoping mechanism comprises a plurality of telescoping rods, and adjacent two telescoping rods are slidably engaged by the recesses, such that the telescoping rods are telescopically coupled together.

6. An electric fan which is portable, characterized by comprising the locking mechanism of claim 5.

7. The portable electric fan as claimed in claim 6, further comprising a base and a fan body, wherein the hinge base is fixedly disposed on the base, and the other end of the telescopic mechanism is hinge-disposed on the fan body, so that the fan body and the telescopic mechanism are rotatably connected.

8. The portable electric fan as claimed in claim 7, wherein the fan body is provided with a receiving groove for receiving the rotating shaft and the telescopic mechanism after folding, so that the base and the fan body after folding are adjacently disposed.

9. The portable electric fan as claimed in claim 6, wherein the hinge base is provided with an abutting member having an arc-shaped face on which the rotation shaft is abutted, thereby improving stability of rotation of the rotation shaft.

10. The portable electric fan as claimed in claim 9, wherein the abutting member is made of silicone.