TWM582996U - Foldable fan - Google Patents

Abstract

The present invention relates to a foldable fan, comprising a fan body, a turning mechanism, a telescopic locking mechanism and a chassis; the upper end of the chassis is open and forms an accommodating space, and a mounting boss is arranged in the accommodating space; one end of the telescopic locking mechanism is turned over The mechanism is connected, and the other end of the telescopic locking mechanism is rotatably connected to the mounting boss; the fan body is coupled to the turning mechanism and the fan body is flipped and folded relative to the telescopic locking mechanism. When the fan main body is housed, the fan main body can be folded and folded on the end surface of the upper end of the chassis by the reversing mechanism and the telescopic locking mechanism, and the reversing mechanism and the telescopic locking mechanism can be accommodated in the accommodating space.

Description

Foldable fan

This creation relates to the field of electric fan technology, and more particularly to a foldable fan.

At present, various electric fans appear on the market. When the general electric fan is in use, the fan main body and the fixed rod are relatively fixed, and the air supply angle of the fan main body is difficult to adjust, so that the electric fan cannot blow the wind well to the human body. on. Moreover, the conventional electric fan cannot be folded and stored when not in use, and it is easy to take up space and is not easy to carry. Therefore, the existing electric fan can not meet the needs in actual work, and an urgent need for a fan with adjustable air supply angle and convenient folding and storage, and convenient carrying, solves the above problem.

The purpose of the present invention is to overcome the defects of the prior art, and to provide a foldable fan with a compact structure, a fan body that can be adjusted at multiple angles, and is easy to fold and store, and has a small size and is convenient to carry.

In order to achieve the above object, the present invention adopts the following technical solutions: a foldable fan, including a fan body, a turning mechanism, a telescopic locking mechanism, and a chassis; the upper end of the chassis is open and forms an accommodating space, and the accommodating space is a mounting boss is provided; one end of the telescopic locking mechanism is connected to the turning mechanism, and the other end of the telescopic locking mechanism is rotatably connected to the mounting boss; the fan body is connected with the turning mechanism and the fan body is opposite to the telescopic lock When the fan body is stored, the fan body can be folded and folded on the end surface of the upper end of the chassis by the inverting mechanism and the telescopic locking mechanism. At the same time, the inverting mechanism and the telescopic locking mechanism can be stored in the receiving space.

In the above structure, the inverting mechanism includes a connecting seat, a hinge and a head; the connecting seat is fixed on the back of the fan body, and is provided with a notch having a "匚" type structure; the hinges are two. Two hinges are respectively mounted on opposite inner wall surfaces of the slot; the head of the head is cylindrical and hinged between the two hinges, and the other end of the head and the telescopic locking mechanism When the fan body is housed, the fan body can be folded over with respect to the telescopic locking mechanism through the head of the head on the connecting seat.

In the above structure, the hinge head of the gimbal head and the two hinge members is provided with a damping rubber ring; the upper end of the gimbal head is provided with a circular through hole, and the two hinge members are provided with circular convex columns on the side of the circular through hole, two The circular studs are in one-to-one correspondence with the circular through holes, and the damping aprons are sandwiched between the outer wall surface of the circular stud and the inner wall surface of the circular through hole.

In the above structure, the telescopic locking mechanism includes a telescopic rod, an inner sleeve and an outer sleeve; the telescopic rod is disposed in the inner sleeve, and the outer surface of the inner sleeve is provided with an external thread, and the outer sleeve The inner surface is provided with a corresponding internal thread; the outer sleeve can be locked and fixed to the inner sleeve by a threaded structure that cooperates with the inner sleeve.

In the above structure, the upper end of the telescopic rod is provided with a locking ring, and the locking ring is provided with a circumferentially extending locking block, the inner sleeve is provided with a locking hole corresponding to the locking block; the locking block on the locking ring is inserted into The locking hole of the inner sleeve enables the telescopic rod to be locked and fixed in the inner sleeve.

In the above structure, the two sides of the lower end portion of the telescopic locking mechanism are respectively extended outward to form a rotating shaft, and the two rotating shafts are disposed on the same axis; the inner wall surface on one side of the accommodating space is provided with the The mounting boss has a mounting shaft hole corresponding to the position of the two rotating shafts, and the shape of the mounting shaft hole is the same as the shape of the two rotating shaft sections, and the two rotating shafts are respectively inserted into the mounting convex The corresponding mounting shaft hole of the table enables the telescopic locking mechanism to be rotatably connected to the mounting boss by the rotating shaft.

In the above structure, the outer circumference of the rotating shaft is further provided with a damping pad for increasing frictional force, and the damping pad is interposed between the rotating shaft and the mounting shaft hole of the mounting boss.

In the above structure, the fan body includes a mask, a rear cover, a motor, and a fan blade; the mask and the rear cover are combined to form a receiving cavity for accommodating the motor and the fan blade, and the motor is fixed in the rear cover, and the motor is The fan blades are fixedly connected to the output shaft.

In the above structure, the chassis is further provided with a main control circuit board, a rechargeable battery, a switch button and a charging interface; the charging interface is disposed on an outer side wall of one side of the chassis, and the switch button is mounted on the mounting boss The main control circuit board and the rechargeable battery are mounted in the mounting boss, and the main control circuit board is electrically connected to the motor, the rechargeable battery, the switch button and the charging interface.

In the above structure, the bottom of the mounting boss is provided with a weight iron block.

The present invention has the beneficial effects compared with the prior art: the present invention is provided with a turning mechanism on the fan main body, so that the fan main body can realize the function of flip folding and multi-angle adjustment by the turning mechanism. Moreover, the fan body is further connected with a telescopic locking mechanism, and the telescopic locking mechanism can realize the telescopic locking function. The creation structure is simple and compact, and the fan body can be folded and folded on the chassis by the turning mechanism and the telescopic locking mechanism. The folded fan body becomes smaller, which does not occupy space, and is easy to store and convenient to carry.

In order to fully understand the technical content of the present creation, the technical solution of the present creation is further introduced and explained below in conjunction with specific embodiments.

1 to 3; a foldable fan comprising a fan body 1, a turning mechanism 2, a telescopic locking mechanism 3, and a chassis 4. The chassis 4 has a cylindrical shape, and the upper end is open and defines an accommodating space 41. The inner wall surface on one side of the accommodating space 41 is provided with a mounting boss 42. One end of the telescopic locking mechanism 3 is connected to the reversing mechanism 2, and the other end of the telescopic locking mechanism 3 is rotatably connected to the intermediate position of the mounting boss 42. In other words, when the fan body 1 is housed, the fan body 1 can be folded over the end surface of the upper end of the chassis 4 by the inverting mechanism 2 and the telescopic locking mechanism 3, and the inverting mechanism 2 and the telescopic locking mechanism 3 can be accommodated in the housing space 41. Inside.

Specifically, the inverting mechanism 2 includes a connecting seat 21, a hinge member 22, and a head of the pan head; the connecting base 21 is fixed to the back of the fan body 1, and the connecting seat 21 is provided with a notch 211 having a "匚" type structure. The number of the hinge members 22 is two, and the two hinge members 22 are respectively mounted on the opposite inner wall faces of the notches 211. The head of the head 23 is cylindrical with respect to one end of the fan body 1 and is hinged between the two hinges 22. The other end of the head 23 is fixedly coupled to the telescopic locking mechanism 3. Wherein, the hinge head 23 and the hinges of the two hinge members 22 are provided with a damping rubber ring 24; the upper end of the pan head 23 has a circular through hole, and the two hinge members 22 are provided with circular protrusions on the side of the circular through hole. The two circular protrusions are in one-to-one correspondence with the circular through holes, and the damping rubber ring 24 is sandwiched between the outer wall surface of the circular protrusion and the inner wall surface of the circular through hole and is an interference fit, that is, two damping aprons 24 is used to increase the radial friction of the head 23 relative to the rotation of the two hinges 22.

When the fan main body 1 is housed, the fan main body 1 can be horizontally folded and folded by the reversing mechanism 2, and when the fan main body 1 is deployed, the fan main body 1 can be flipped over the gimbal head 23 through the connecting seat 21 connected thereto, and passed through The damper rubber ring 24 adjusts the air blowing angle of the fan body 1, and further realizes the function of multi-angle adjustment of the fan body 1.

Preferably, as shown in FIG. 2, the telescopic locking mechanism 3 includes a telescopic rod 31, an inner sleeve 32 and an outer sleeve 33; the telescopic rod 31 is disposed in the inner sleeve 32, and the outer surface of the inner sleeve 32 is provided with an outer surface. The inner surface of the outer sleeve 33 is provided with a corresponding internal thread, and the outer sleeve 33 can be locked and fixed to the inner sleeve 32 by a threaded structure engaged with the inner sleeve 32. The lower end of the inner sleeve 32 is rotatably connected to the mounting boss 42 through the rotating shafts 34 on both sides. When the outer sleeve 33 is locked and fixed to the inner sleeve 32, the telescopic locking mechanism 3 can pass through the inner sleeve 32 and the outer sleeve. The barrel 33 is tightly fixed to the mounting boss 42.

Further, the telescopic rod 31 is fixed in the inner sleeve 32 by the locking ring 331 and the screw; specifically, the upper end of the outer sleeve 33 is provided with a locking ring 331, the locking ring 331 is sleeved on the outside of the telescopic rod 31, and the locking ring 331 is provided. There is a circumferentially extending locking block (not shown). The locking block protrudes from the inner circumferential surface of the locking ring 331, and the inner sleeve 32 is provided with a locking hole 321 corresponding to the position of the locking block. That is to say, when the lock block on the lock ring 331 is not inserted into the corresponding lock hole 321 of the inner sleeve 32, the telescopic rod 31 can be horizontally rotated and telescoped to adjust the height. When the lock block on the lock ring 331 is inserted into the lock hole 321 of the inner sleeve 32, the lock block on the lock ring 331 is pressed against the outer wall of the telescopic rod 31 through the lock hole 321 to realize the locking and positioning function, that is, the lock ring 331 When the upper lock block is inserted into the lock hole 321 of the inner sleeve 32, the telescopic rod 31 can be fixed in the inner sleeve 32.

Further, the telescopic locking mechanism 3 is outwardly extended on both sides of the lower end of the inner sleeve 32 to form a rotating shaft 34, and the two rotating shafts 34 are disposed on the same axis. A mounting boss 42 is disposed on an inner wall surface of one side of the accommodating space 41. The mounting boss 42 is respectively provided with a mounting shaft hole 43 at an intermediate position of the two rotating shafts 34. The two mounting shaft holes 43 are shaped and shaped. The two rotating shafts 34 have the same shape and shape. The two rotating shafts 34 are respectively inserted into the corresponding mounting shaft holes 43 of the mounting bosses 42 so that the telescopic locking mechanism 3 can be rotatably coupled to the mounting boss 42 via the rotating shaft 34. . Referring to FIG. 3, that is, when the fan main body 1 is not in use, the fan main body 1 may be horizontally folded and folded with respect to the telescopic locking mechanism 3, and then passed through the rotating shaft 34 of the lower end portion of the telescopic locking mechanism 3 toward the chassis. The rotation of the fourth direction allows the fan body 1 to be folded over the end surface of the upper end of the chassis 4, and the reversing mechanism 2 and the telescopic locking mechanism 3 can be housed in the accommodating space 41.

Further, the outer circumference of the rotating shaft 34 is further provided with a damping spacer 35 for increasing the frictional force. The damping spacer 35 is interposed between the rotating shaft 34 and the mounting shaft hole 43 of the mounting boss 42.

Preferably, the fan body 1 includes a mask 11, a rear cover 12, a motor 13, and a fan blade 14. The mask 11 and the rear cover 12 are closed to form a receiving cavity for accommodating the motor 13 and the fan blade 14. The motor 13 is fixed to the rear. Inside the cover 12, the fan blades 14 are fixedly coupled to the output shaft of the motor 13.

Preferably, the chassis 4 is further provided with a main control circuit board 5, a rechargeable battery 6, a switch button 7, and a charging interface 8. The charging interface 8 is disposed on the outer sidewall of the chassis 4 side, the switch button 7 is mounted on the upper surface of the mounting boss 42 , the main control circuit board 5 and the rechargeable battery 6 are mounted in the mounting boss 42 , and the main control circuit The board 5 is electrically connected to the motor, the rechargeable battery 6, the switch button 7 and the charging interface. Since the above part is the prior art, it is not the focus of this creation protection, and it is not exhaustive here.

Preferably, the bottom of the mounting boss 42 is provided with a weight iron block 9, which can keep the fan stable and prevent it from tipping over.

The present invention is provided with a turning mechanism on the fan main body, so that the fan main body can realize the functions of flip folding and multi-angle adjustment by the turning mechanism. Moreover, the fan body is further connected with a telescopic locking mechanism, and the telescopic locking mechanism can realize the telescopic locking function. The creation structure is simple and compact, and the fan body can be folded and folded on the chassis by the turning mechanism and the telescopic locking mechanism. The folded fan body becomes smaller, which does not occupy space, and is easy to store and convenient to carry.

The above description is only by way of example to further illustrate the technical content of the present invention, so that the reader can understand it more easily, but does not mean that the implementation of the present invention is limited thereto, and any technical extension or re-creation by this creation is subject to The protection of creation.

1‧‧‧Fan body  2‧‧‧ flip mechanism  3‧‧‧ Telescopic locking mechanism  4‧‧‧Chassis  5‧‧‧Master control board  6‧‧‧Rechargeable battery  7‧‧‧ switch button  8‧‧‧Charging interface  9‧‧‧Weighing iron  11‧‧‧ mask  12‧‧‧ Back cover  13‧‧‧Motor  14‧‧‧Fan blades  21‧‧‧Connecting Block  22‧‧‧Hinges  23‧‧‧Cloud Head  24‧‧‧damped apron  31‧‧‧ Telescopic rod  32‧‧‧Inner sleeve  33‧‧‧Outer sleeve  34‧‧‧Rotary axis  35‧‧‧damper gasket  41‧‧‧ accommodating space  42‧‧‧Installation boss  43‧‧‧Installation shaft hole  211‧‧‧ notch  221‧‧‧round stud  231‧‧‧Circular through hole  321‧‧‧Keyhole  331‧‧‧Lock ring  

FIG. 1 is a schematic diagram of a structural embodiment of the present creation.

FIG. 2 is a schematic diagram of an embodiment of a split structure of the present invention.

FIG. 3 is a schematic view showing an embodiment of the fan body in the state of being folded and stored.

Claims (10)

A foldable fan includes a fan body, a turning mechanism, a telescopic locking mechanism, and a chassis; the upper end of the chassis is open and defines an accommodating space, and the mounting space is provided with a mounting boss; the telescopic locking mechanism One end is connected to the turning mechanism, the other end of the telescopic locking mechanism is rotatably connected to the mounting boss; the fan body is connected to the turning mechanism and the fan body is flipped and folded relative to the telescopic locking mechanism; When the fan body is received, the fan body can be folded and folded onto the end surface of the upper end of the chassis by the inverting mechanism and the telescopic locking mechanism, and the inverting mechanism and the telescopic locking mechanism can be accommodated in the The space is placed in the space. The foldable fan of claim 1, wherein the turning mechanism comprises a connecting seat, a hinge and a head; the connecting seat is fixed to the back of the fan body and is provided with a groove having a "匚" type structure. a port; the hinges are two, two of the hinges are respectively mounted on opposite inner wall surfaces of the slot; the head of the head is cylindrical and hinged between the two hinges, The other end of the head of the head is fixedly connected to the telescopic locking mechanism; when the fan body is received, the fan body can be flipped and folded relative to the telescopic locking mechanism by the head of the head on the connecting seat. The foldable fan of claim 2, wherein the head of the head and the hinges of the two hinges are provided with a damping rubber ring; the upper end of the head of the head is provided with a circular through hole, and the two hinges a circular protrusion is disposed on a side of the circular through hole, and the two circular protrusions are in one-to-one correspondence with the circular through hole, and the damping rubber ring is clamped outside the circular protrusion The wall surface is between the inner wall surface of the circular through hole. The collapsible fan of claim 1, wherein the telescopic locking mechanism comprises a telescopic rod, an inner sleeve and an outer sleeve; the telescopic rod is disposed in the inner sleeve, outside the inner sleeve The surface is provided with an external thread, and the inner surface of the outer sleeve is provided with a corresponding internal thread; the outer sleeve can be locked and fixed to the inner sleeve by a threaded structure engaged with the inner sleeve. The foldable fan of claim 4, wherein the upper end of the telescopic rod is provided with a lock ring, and the lock ring is provided with a circumferentially extending lock block, and the inner sleeve is provided with a corresponding lock block. a lock hole; the lock block on the lock ring is inserted into the lock hole of the inner sleeve, so that the telescopic rod can be locked and fixed in the inner sleeve. The foldable fan of claim 4, wherein two sides of the lower end portion of the telescopic locking mechanism extend outward to form a rotating shaft, and the two rotating shafts are disposed on the same axis; The mounting boss is disposed on the inner wall surface of the side, and the mounting boss is respectively provided with a mounting shaft hole corresponding to the positions of the two rotating shafts, and the shape of the mounting shaft hole and the two rotating shaft sections The two types of the rotating shafts are respectively inserted into the corresponding mounting shaft holes of the mounting bosses, so that the telescopic locking mechanism can be rotatably connected to the mounting bosses through the rotating shaft. The foldable fan of claim 6, wherein the outer circumference of the rotating shaft is further provided with a damping pad for increasing frictional force, the damping pad being clamped to the rotating shaft and the mounting convex The mounting of the table is between the shaft holes. The foldable fan of claim 1, wherein the fan body comprises a mask, a rear cover, a motor, and a fan blade; the mask and the rear cover are combined to form a motor and the fan blade The accommodating cavity is fixed in the rear cover, and the fan blade is fixedly connected to the output shaft of the motor. The foldable fan of claim 1, wherein the chassis is further provided with a main control circuit board, a rechargeable battery, a switch button and a charging interface; the charging interface is disposed on an outer sidewall of one side of the chassis, The switch button is mounted on the upper surface of the mounting boss, the main control circuit board and the rechargeable battery are mounted in the mounting boss, and the main control circuit board and the motor, the charging The battery, the switch button, and the charging interface are electrically connected. The foldable fan of claim 1, wherein the bottom of the mounting boss is provided with a weight iron block.