CN214092471U - Locking mechanism and its foldable electric fan - Google Patents

Abstract

The embodiment of the utility model provides a locking mechanism and foldable electric fan thereof, include: a hinged seat; one end of the rotating shaft is hinged to the hinge seat so as to be rotatably connected with the hinge seat; and the locking structure is sleeved on the hinged seat and the rotating shaft and used for preventing the hinged seat and the rotating shaft from rotating. The locking mechanism and the foldable electric fan thereof have the advantages of simple overall structure, compact structure after being folded and stored, small volume and no occupation of space of a user. It can realize multi-angle adjustment and upset folding function through the rotatable coupling between telescopic machanism and the base for on the electric fan can send wind to the human body well, can effectively improve user's use and experience, and can fold when not using and receive on the base, easily accomodate and conveniently carry.

Description

Locking mechanism and foldable electric fan thereof

Technical Field

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

Background

With the continuous improvement of the quality of life, 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 motors are electric fans. The electric fan is a daily household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling, relieving summer heat and circulating air. The electric fans are of various types, and the common types include ceiling fans, table fans, floor fans, box fans and the like.

Electric fan in the existing market is when using, 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. In addition, the electric fan can not be folded and stored when not in use, thereby not only occupying space easily, but also being convenient for a user to carry. The invention also discloses a handheld type and wearable type small electric fan in the prior art, which has the advantages of convenience in carrying and capability of being used at any time and any place, but has the defects of small air quantity, poor cooling effect, inconvenience in holding and wearing and the like.

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

SUMMERY OF THE UTILITY MODEL

To the defect and not enough above, the utility model provides a locking mechanism and collapsible electric fan thereof, this locking mechanism and collapsible electric fan have that angle adjustment nature is good, folding accomodate convenient, folding characteristics small and conveniently carry after folding.

A locking mechanism, comprising:

a hinged seat;

one end of the rotating shaft is hinged to the hinge seat so as to be rotatably connected with the hinge seat;

and the locking structure is sleeved on the hinged seat and the rotating shaft and used for preventing the hinged seat and the rotating shaft from rotating.

Further, still include pressure spring, the axis of rotation is equipped with annular bulge, pressure spring's one end with annular bulge butt, the other end with locking structure butt, thereby will locking structure crimping is fixed on articulated seat.

Further, the locking structure is a shaft sleeve.

Further, the rotating shaft is provided with a rib structure, the telescopic mechanism is provided with a concave part, and the rib structure and the concave part are in slidable fit, so that one end of the telescopic mechanism is telescopically inserted into the rotating shaft.

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 foldable electric fan, foldable 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 seat is equipped with the butt, the butt is equipped with the arcwall face, the axis of rotation butt sets up on the arcwall face, thereby improves axis of rotation pivoted stability.

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

The utility model provides a locking mechanism and foldable 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 and fold and multi-angle adjustment's function 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 foldable electric fan thereof compare in prior art, have following beneficial effect at least:

firstly, the foldable fan of the utility model has simple integral structure, compact integral structure after being folded and stored, smaller volume and no occupation of space of users;

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;

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

and fourthly, the locking structures are 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.

Drawings

Fig. 1 is a schematic structural view of a foldable fan according to the present invention in an unfolded state;

fig. 2 is a schematic structural diagram of the base, the locking structure and the compression spring of the present invention;

fig. 3 is a schematic structural view of the base and the rotating shaft of the present invention;

FIG. 4 is an enlarged partial schematic view of the circled portion of FIG. 3;

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

fig. 6 is a schematic structural view of the rotating shaft and the telescopic rod of the present invention;

FIG. 7 is an enlarged partial schematic view of the encircled portion of FIG. 6;

fig. 8 is a schematic structural view of the abutment member of the present invention;

fig. 9 is a schematic structural view of the fan main body and the telescopic rod of the present invention;

fig. 10 is a schematic structural view illustrating a folded state of the foldable fan according to 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. a first rotating section; 502. an annular projection; 503. a rib structure; 6. a telescopic rod; 601. a recessed portion; 602. a second rotating part; 7. a compression spring; 8. an abutting member; 801. 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 to 5, 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 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; and the locking structure 4 is sleeved on the hinge base 101 and the rotating shaft 5 and used for preventing the rotation between the hinge base 101 and the rotating shaft 5.

The fan main body 2 can realize the functions of turning and multi-angle adjustment through the rotating shaft 5 and the telescopic mechanism 3, and the functions of locking and fixing can be realized between the rotating shaft 5 and the base 1 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. In addition, establish locking mechanism 4 cover on articulated seat 101 and axis of rotation 5, play the rotation limiting displacement to the two, can 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 base 1 in telescopic machanism 3 locking.

In addition, referring to fig. 4, 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. 2, in a preferred scheme of the embodiment, the locking mechanism further comprises a pressing spring 7, the rotating shaft 5 is provided with an annular protrusion 502, one end of the pressing spring 7 is abutted with the annular protrusion 502, and the other end of the pressing spring is abutted with the locking structure 4, so that the locking structure 4 is fixed on the hinge seat 101 in a pressing mode. In this further scheme, the top end position of the rotating shaft 5 is provided with an annular convex structure 502 protruding outwards, and a compression spring 7 abutting against the annular convex structure 502 and the locking structure 4 is arranged between the annular convex structure 502 and the locking structure 4, so that downward elastic stress can be applied to the locking structure 4 at the bottom through the compression spring 7, and the locking structure 4 is fixed on the hinge seat 101 in a compression joint mode, and the locking structure 4 is prevented from displacement. Therefore, through fixing locking structure 4 crimping on articulated seat 101, can prevent that locking structure 4 from taking place the displacement or rotating in the fan use or the in-process of moving to can't play good locking function, and then avoid appearing still the pivoted condition appearing 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.

Referring to fig. 6-7, 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 collapsible fan is when 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 the flexible end, and then adjusts the height of fan main part 2, realizes the height control function of fan main part 2. 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 foldable electric fan, this foldable electric fan includes the locking mechanism of above description.

Referring to fig. 1 and 9, in another embodiment of the present invention, the foldable 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 to 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 shaft 602, and the second rotating shaft 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 shaft 602 is a shaft structure disposed perpendicular to the telescopic mechanism 3, i.e. a transversely disposed shaft structure, and a corresponding position of the fan main body 2 is provided with a transversely disposed hollow groove, 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 shaft 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 shaft 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. 9 and 10, 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 telescoping mechanism 3 and the base 1 is released, all the telescoping rods 601 in the telescoping mechanism 3 are compressed and shortened, the telescoping mechanism 3 which is 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 which is compressed and stored is overturned to the position which is tightly attached to the base 1 and is placed into the containing groove 201 of the fan body 2, and as shown in fig. 10, the base 1 and the fan body 2 can be arranged tightly and adjacently.

Referring to fig. 8, alternatively, the hinge base 101 is provided with an abutting member 8, the abutting member 8 is provided with an arc-shaped surface 801, and the rotating shaft 5 is abutted on the arc-shaped surface 801, so that the rotating stability of the rotating shaft 5 is improved. Specifically, the arc surface 801 is disposed on the upper surface of the abutting member 8, and is attached to the rotating motion track of the outer surface of the first rotating portion 501, and the slipping between the two can be prevented by disposing the arc surface of the abutting member 8, so that the stability of the rotation of the first rotating portion 501 is improved.

Further, the abutting member 8 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 8 and the first rotating portion 501 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 8 made of the silica gel material abuts against the first rotating part 501, and when the first rotating part 501 rotates, the abutting piece 8 can give a more intuitive feedback effect to a user.

To sum up, the utility model provides a locking mechanism and foldable 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 the function of folding and multi-angle adjustment through telescopic machanism 3, makes between telescopic machanism 3 and the base 1 can realize locking fixed function through locking structure 4. Generally speaking, this collapsible fan 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 collapsible fan passes through the rotatable coupling between telescopic machanism 3 and the base 1, and fan main part 2 can realize the folding function of upset, 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 (10)

1. A locking mechanism, comprising:

a hinged seat;

one end of the rotating shaft is hinged to the hinge seat so as to be rotatably connected with the hinge seat;

and the locking structure is sleeved on the hinged seat and the rotating shaft and used for preventing the hinged seat and the rotating shaft from rotating.

2. The locking mechanism of claim 1, further comprising a compression spring, wherein the rotating shaft is provided with an annular protrusion, one end of the compression spring abuts against the annular protrusion, and the other end of the compression spring abuts against the locking structure, so that the locking structure is fixed on the hinge base in a compression joint mode.

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

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. A foldable electric fan comprising the latch mechanism of claim 5.

7. The foldable electric fan of claim 6, further comprising a base and a fan body, wherein the hinged base is fixedly disposed on the base, and the other end of the telescoping mechanism is hinged on the fan body, so that the fan body and the telescoping mechanism are rotatably connected.

8. The foldable electric fan of claim 7, wherein the fan body is provided with a receiving groove for receiving the rotating shaft and the telescopic mechanism after being folded, so that the base and the fan body after being folded are disposed adjacent to each other.

9. The foldable electric fan according to claim 6, wherein the hinge base is provided with an abutting member, the abutting member is provided with an arc-shaped surface, and the rotation shaft is abutted against the arc-shaped surface, thereby improving the stability of the rotation shaft.

10. The foldable electric fan according to claim 9, wherein the abutting member is made of a silicone material.

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