CN213298329U - Foldable fan - Google Patents

Abstract

The utility model discloses a foldable fan, including fan main part, the telescopic machanism that is used for adjusting fan main part height, be used for supporting fan main part and telescopic machanism's fan base, telescopic machanism's one end is fixed in fan base through first locking mechanism on, telescopic machanism's the other end passes through second locking mechanism and fan main part fastening, leave the chamber of accomodating that is used for accomodating the fan main part on the fan base. The utility model discloses collapsible fan, it is rotatory around second locking mechanism with the fan main part, realize the regulation to fan main part angle, it is rotatory around first locking mechanism with telescopic machanism, accomodate the fan main part in fan base, the structure is exquisite, easy operation.

Description

Foldable fan

Technical Field

The utility model relates to a fan technical field, in particular to collapsible fan.

Background

When the existing foldable fan is used or stored, a plurality of parts need to be assembled or disassembled, so that the operation is complicated, and time and labor are wasted; meanwhile, the fan main body can only be locked at a fixed angle in the using process, and the requirements of different customers for different blowing angles cannot be met. In addition, need wash the fan after long-time use, current fan face lid is dismantled hard, is difficult for taking off, and then causes and wash inconveniently.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a foldable fan to solve the problems of the foldable fan that the operation is complicated and the blowing angle of the fan cannot be adjusted when the foldable fan is used or stored.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a foldable fan comprises a fan main body, a telescopic mechanism used for adjusting the height of the fan main body and a fan base used for supporting the fan main body and the telescopic mechanism, wherein one end of the telescopic mechanism is fixed on the fan base through a first locking mechanism, the other end of the telescopic mechanism is fastened with the fan main body through a second locking mechanism, and a containing cavity used for containing the fan main body is reserved on the fan base; when the fan is used, the telescopic mechanism can be used for telescopic up and down to adjust the height of the fan main body, and the fan main body can rotate around the second locking mechanism to adjust the angle of the fan main body; when the fan base is stored, the fan main body can be stored in the fan base after the telescopic mechanism rotates for a preset angle around the first locking mechanism.

The telescopic mechanism comprises a sleeve and a telescopic rod, wherein a fixing piece is sleeved at one end of the telescopic rod, the telescopic rod and the fixing piece are both sleeved in the sleeve and fastened with the sleeve through screws, and a first rotating arm fixedly connected with the fan main body is arranged at the other end of the telescopic rod; the telescopic one end be provided with fan base fixed connection's second swinging boom, the telescopic other end is provided with the lid form part that is used for the fixed telescopic link of assistance.

The first locking mechanism comprises a rotating shaft locking knob, a locking connecting piece, a bolt, a first friction block and a second friction block, one end of the bolt is arranged in the rotating shaft locking knob, and the other end of the bolt is matched with a nut in the first friction block through the locking connecting piece, the second friction block and a second rotating arm in sequence.

The second locking mechanism comprises a first positioning block, a damping rotating shaft and a second positioning block, and the damping rotating shaft fixes the first positioning block and the second positioning block at two ends of the first positioning block and the second positioning block respectively.

The fan main body comprises a fan face cover, a fan module, a fan rear shell and a sliding lock catch, the fan face cover and the fan rear shell are arranged oppositely and fastened through the sliding lock catch in a clamping mode, and the fan module is clamped between the fan face cover and the fan rear shell.

One side of fan backshell is provided with L shape breach, one side of fan face lid is provided with the quad slit, the slip hasp is fixed with fan backshell and fan face lid block through L shape breach, quad slit.

Be provided with kink and vertical part on the slip hasp, the kink is with the lateral wall joint of fan face lid, the L shape breach joint on vertical part and the fan rear shell.

The other side of the fan rear shell is provided with a bulge, and the other side of the fan face cover is provided with a groove matched with the bulge.

And a notch matched with the second rotating arm is arranged on the side edge convex part of the accommodating cavity.

And the fixing piece and the sleeve are provided with corresponding screw holes.

Compared with the prior art, the utility model provides a pair of foldable fan, including fan main part, the telescopic machanism that is used for adjusting fan main part height, be used for supporting fan main part and telescopic machanism's fan base, telescopic machanism's one end is fixed in on the fan base through first locking mechanism, telescopic machanism's the other end passes through second locking mechanism and fan main part fastening, leave the chamber of accomodating that is used for accomodating the fan main part on the fan base. The utility model discloses collapsible fan, it is rotatory around second locking mechanism with the fan main part, realize the regulation to fan main part angle, it is rotatory around first locking mechanism with telescopic machanism, accomodate the fan main part in fan base, the structure is exquisite, easy operation.

Drawings

Fig. 1 is a usage state diagram of the foldable fan provided by the present invention.

Fig. 2 is a storage state diagram of the foldable fan provided by the present invention.

Fig. 3 is a schematic structural diagram of a fan base of a foldable fan according to the present invention.

Fig. 4 is a schematic structural diagram of the telescoping mechanism and the first locking mechanism of the foldable fan according to the present invention.

Fig. 5 is a schematic structural diagram of a fan main body of a foldable fan according to the present invention.

Fig. 6 is a schematic structural diagram of a telescoping mechanism of the foldable fan according to the present invention.

Fig. 7 is another schematic structural diagram of the fan main body of the foldable fan according to the present invention.

Fig. 8 is a partially enlarged view of a portion a in fig. 7.

Fig. 9 is a schematic structural view of the sliding lock of the foldable fan according to the present invention.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The embodiment of the utility model provides a foldable fan, please refer to fig. 1-5, including fan main body 1, a telescopic mechanism 2 for adjusting the height of fan main body 1, a fan base 3 for supporting fan main body 1 and telescopic mechanism 2, one end of telescopic mechanism 2 is fixed on fan base 3 through a first locking mechanism 4, the other end of telescopic mechanism 2 is fastened with fan main body 1 through a second locking mechanism 5, a containing cavity 31 for containing fan main body 1 is left on fan base 3; when the fan is used, the telescopic mechanism 2 extends and retracts up and down to adjust the height of the fan main body 1, and the fan main body 1 can rotate around the second locking mechanism 5 to adjust the angle of the fan main body 1; when the fan is stored, the fan body 1 can be stored in the fan base 3 after the telescopic mechanism 2 rotates around the first locking mechanism 4 by a preset angle.

The fan base 3 level sets up, telescopic machanism 2's lower extreme passes through first locking mechanism 4 and fastens with fan base 3, telescopic machanism 2's lower extreme can be around first locking mechanism 4 rotatory, telescopic machanism 2's upper end is passed through second locking mechanism 5 and is fastened with fan main part 1, fan main part 1 can be around second locking mechanism 5 rotatory. When the fan is used, the telescopic mechanism 2 rotates around the first locking mechanism 4 to the side far away from the fan base 3, the telescopic mechanism 2 drives the fan main body 1 to move out of the fan base 3, the telescopic mechanism 2 is perpendicular to the fan base 3, then the telescopic mechanism 2 is stretched upwards to drive the fan main body 1 to be adjusted to a proper height, and finally the fan main body 1 rotates around the second locking mechanism 5 to adjust the fan main body 1 to a proper angle; when the fan is stored, the fan main body 1 is rotated around the second locking mechanism 5, so that the fan main body 1 is perpendicular to the fan base 3, the length of the telescopic mechanism 2 is compressed again, the fan main body 1 is driven to move downwards to a preset position, and finally the telescopic mechanism 2 is rotated around the first locking mechanism 4 to the side close to the fan base 3, so that the fan main body 1 is completely stored in the fan base 3. The utility model discloses collapsible fan, the structure is exquisite, easy operation, through the height of telescopic machanism 2 regulation fan main part 1 during the use, through the angle of the adjustable fan main part 1 of rotatory mode for the fan can adapt to different users' demand, and fan main part 1 is accomodate when accomodating in 3 with fan base, has avoided the great problem of occupation space. The fan can be adjusted according to the preset angle and height, and the fan can be adjusted properly according to the self condition of the user.

Referring to fig. 1 to 6, the telescopic mechanism 2 includes a sleeve 21 and a telescopic rod 22, one end of the telescopic rod 22 is sleeved with a fixing member 221, the telescopic rod 22 and the fixing member 221 are both sleeved in the sleeve 21 and fastened to the sleeve 21 through a screw 225, and the other end of the telescopic rod 22 is provided with a first rotating arm 222 fixedly connected to the fan main body 1; one end of the sleeve 21 is provided with a second rotating arm 211 fixedly connected with the fan base 3, and the other end of the sleeve 21 is provided with a cover-shaped part 212 for assisting in fixing the telescopic rod 22. The fixing member 221 and the sleeve 21 are provided with corresponding screw holes 23.

Specifically, during the use, the mounting 221 is located the lower extreme of telescopic link 22, just the mounting 221 cover is located in telescopic link 22, be provided with boss 2210 on the mounting 221, be provided with on the telescopic link 22 with boss 2210 assorted shrinkage pool 224, through the cooperation of boss 2210 and shrinkage pool 224, carry on spacingly to the mounting 221, avoided mounting 221 and telescopic link 22 relative rotation to slide. The boss 2210 and the sleeve 21 are provided with screw holes 23, the telescopic rod 22, the fixing part 221 and the sleeve 21 are fastened together through screws 225, and the telescopic rod 22 is prevented from being separated from the sleeve 21 in the use process, so that the fan body 1 cannot be supported, and the normal use of the fan is prevented from being influenced. The upper end of the telescopic rod 22 is provided with a first rotating arm 222, and the first rotating arm 222 is fixedly connected with the fan main body 1 through a second locking mechanism 5, so that the telescopic rod 22 can be adjusted in height when extending up and down. The lower extreme of sleeve 21 is provided with second swinging boom 211, second swinging boom 211 is fixed in fan base 3 through first locking mechanism 4 on, second swinging boom 211 is rotatory around first locking mechanism 4, drives fan main part 1 on the telescopic machanism 2 and receives in fan base 3, the upper end of sleeve 21 is provided with lid form part 212, leave the round hole that the root that is used for first swinging boom 222 passes through on the lid form part 212, first swinging boom 222 is connected with the upper end of telescopic link 22 through lid form part 212, has played the effect of being connected with fan main part 1 on the one hand, has played the effect of auxiliary fixity to telescopic link 22 on the other hand. The side of telescopic link 22 still is provided with the concave surface, the inner wall of sleeve 21 be provided with concave surface assorted convex surface, the convex surface makes telescopic link 22's flexible process more level and smooth with the cooperation of concave surface, has improved user's use and has experienced.

Referring to fig. 3 to 6, the first locking mechanism 4 includes a rotating shaft locking knob 41, a locking connector 42, a bolt 43, a first friction block 44, and a second friction block 45, one end of the bolt 43 is disposed in the rotating shaft locking knob 41, and the other end of the bolt 43 is engaged with a nut 46 in the first friction block 44 sequentially through the locking connector 42, the second friction block 45, and the second rotating arm 211. A notch matched with the second rotating arm 211 is arranged on the side edge convex part 32 of the containing cavity 31. The second rotating arm 211 is arranged between the gaps and fixed through the first locking mechanism 4, and the bolt 43 is matched with the nut 46 in the second friction block 45 through the second rotating arm 211, so that the telescopic mechanism 2 is fixed on the fan base 3.

The rotating shaft locking knob 41 is provided with a rotating part (not marked in the figure) convenient for a user to rotate, one end of the rotating shaft locking knob 41 is provided with a hexagonal protrusion part 411, one end of the locking connecting piece 42 is provided with a hexagonal groove part 421, the rotating shaft locking knob 41 and the locking connecting piece 42 are clamped together through the matching of the hexagonal protrusion part 411 and the hexagonal groove part 421, a slotted hole (not shown in the figure) used for accommodating the end part of the bolt 43 is reserved at the center of the hexagonal protrusion part 411, the bolt 43 is driven to rotate when the rotating shaft locking knob 41 is rotated, the friction force of the first friction block 44 and the second friction block 45 to the second rotating arm 211 is increased or reduced, and the clamping or loosening action to the second rotating arm 211 is achieved. A locking gasket 47 is arranged between the bolt 43 and the first friction block 44, so that a locking effect is achieved through friction, the bolt 43 is prevented from slipping and loosening after the rotating shaft locking knob 41 is twisted for many times, and the bolt 43 is prevented from loosening due to vibration in the using process of the fan. The other end of locking connecting piece 42 and the inner wall joint of first clutch blocks 44 one end, the other end of first clutch blocks 44 and the one end joint of second swinging boom 211, the other end and the 45 joints of second swinging boom 211, the inside cover of second clutch blocks 45 be equipped with bolt 43 complex nut 46, bolt 43 and nut 46's cooperation for first locking mechanical system 4 articulates telescopic machanism 2 in fan base 3. When the rotating shaft locking knob 41 is rotated, the first friction block 44 and the second friction block 45 are driven to clamp or loosen the second rotating arm 211, so as to realize the functions of quickly locking and releasing the telescopic mechanism 2. Specifically, when pivot locking knob 41 clockwise turning, first locking mechanical system 4 fastens telescopic machanism 2 in fan base 3, and telescopic machanism 2 can't rotate around first locking mechanical system 4, otherwise, when pivot locking knob 41 anticlockwise turning, first locking mechanical system 4 loosens telescopic machanism 2, and telescopic machanism 2 can rotate around first locking mechanical system 4 along the breach direction.

Referring to fig. 1, 5 and 6, the second locking mechanism 5 includes a first positioning block 51, a damping rotating shaft 52 and a second positioning block 53, wherein the damping rotating shaft 52 fixes the first positioning block 51 and the second positioning block 53 at two ends thereof, respectively. The second rotating arm 211 is sleeved on the damping rotating shaft 52, the second rotating arm 211 is limited to rotate in a natural state under the action of friction force, and the second rotating arm 211 on the damping rotating shaft 52 is limited in the left-right direction through the first positioning block 51 and the second positioning block 53, so that the telescopic mechanism 2 is hinged to the fan main body 1. When the fan is used, the fan body 1 can rotate around the damping rotating shaft 52 in a manual breaking mode, and then the angle of the fan body 1 can be adjusted.

Referring to fig. 5 to 9, the fan main body 1 includes a fan cover 11, a fan module 12, a fan rear case 13 and a sliding lock 14, the fan cover 11 and the fan rear case 13 are disposed opposite to each other and fastened by the sliding lock 14, and the fan module 12 is sandwiched between the fan cover 11 and the fan rear case 13. The fan module 12 is sleeved on a rotating shaft 133 at the center of the fan rear shell 13, the fan face cover 11 is locked with one side of the fan rear shell 13 through the clamping of the sliding lock catch 14, and the fan face cover 11 is locked with the other side of the fan rear shell 13 through the clamping matching of the groove 132 and the protrusion 112.

One side of the fan rear shell 13 is provided with an L-shaped notch 131, one side of the fan face cover 11 is provided with a square hole 111, and the sliding lock 14 is used for clamping and fixing the fan rear shell 13 and the fan face cover 11 through the L-shaped notch 131 and the square hole 111.

The sliding lock 14 is provided with a bending portion 141 and a vertical portion 142, the bending portion 141 is clamped with the side wall of the fan face cover 11, and the vertical portion 142 is clamped with the L-shaped notch 131 on the fan rear shell 13.

The number of the L-shaped notches and the square holes 111 is at least one, in this embodiment, the number of the L-shaped notches 131 and the square holes 111 is two, the positions of the L-shaped notches 131 and the square holes 111 correspond to each other, the number of the bending portions 141 of the sliding lock 14 is two, and the two bending portions are located at two sides of the vertical portion 142, when the rear fan housing 13 and the front fan cover 11 are fastened to each other, the bending portions 141 are slightly pressed toward one side of the vertical portion 142, so that the bending portions 141 and the vertical portion 142 of the sliding lock 14 enter the L-shaped notches 131 through the square holes 111, the bending portions 141 are reset to be in clamping connection with the side edges of the front fan cover 11, and then the sliding lock 14 is pushed toward the center side, so that the rear fan housing 13 and the front fan cover 11 can.

The other side of the fan rear case 13 is provided with a groove 132, and the other side of the fan face cover 11 is provided with a protrusion 112 matched with the groove 132 in position. Specifically, when the fan face cover 11 and the fan rear cover 13 are assembled together, the fan rear cover 13 and one end of the fan face cover 11 with the groove 132 and the protrusion 112 are abutted and clamped, the groove 132 and the protrusion 112 are matched to play a positioning role, the L-shaped notch 131 corresponds to the square hole 111, the sliding lock catch 14 is pressed into the L-shaped notch 131, and the whole fan rear cover 13 and the fan face cover 11 are clamped and fixed; when the clamped fan cover 11 and the fan rear case 13 are disassembled, the sliding lock 14 is firstly slid, the sliding lock 14 is taken out from the L-shaped notch 131, and then the side with the groove 132 and the protrusion 112 is disassembled.

To sum up, the utility model provides a pair of foldable fan, including fan main part, the telescopic machanism that is used for adjusting fan main part height, be used for supporting fan main part and telescopic machanism's fan base, telescopic machanism's one end is fixed in fan base through first locking mechanism on, telescopic machanism's the other end passes through second locking mechanism and fastens with fan main part, leave the chamber of accomodating that is used for accomodating fan main part on the fan base. The utility model discloses collapsible fan, it is rotatory around second locking mechanism with the fan main part, realize the regulation to fan main part angle, it is rotatory around first locking mechanism with telescopic machanism, accomodate the fan main part in fan base, the structure is exquisite, easy operation.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims (10)

1. A foldable fan is characterized by comprising a fan main body, a telescopic mechanism for adjusting the height of the fan main body and a fan base for supporting the fan main body and the telescopic mechanism, wherein one end of the telescopic mechanism is fixed on the fan base through a first locking mechanism, the other end of the telescopic mechanism is fastened with the fan main body through a second locking mechanism, and a containing cavity for containing the fan main body is reserved on the fan base; when the fan is used, the telescopic mechanism can be used for telescopic up and down to adjust the height of the fan main body, and the fan main body can rotate around the second locking mechanism to adjust the angle of the fan main body; when the fan base is stored, the fan main body can be stored in the fan base after the telescopic mechanism rotates for a preset angle around the first locking mechanism.

2. The foldable fan according to claim 1, wherein the telescopic mechanism comprises a sleeve and a telescopic rod, a fixing piece is sleeved at one end of the telescopic rod, the telescopic rod and the fixing piece are both sleeved in the sleeve and fastened with the sleeve through screws, and a first rotating arm fixedly connected with the fan main body is arranged at the other end of the telescopic rod; the telescopic one end be provided with fan base fixed connection's second swinging boom, the telescopic other end is provided with the lid form part that is used for the fixed telescopic link of assistance.

3. The foldable fan according to claim 2, wherein the first locking mechanism comprises a rotating shaft locking knob, a locking connecting piece, a bolt, a first friction block and a second friction block, one end of the bolt is arranged in the rotating shaft locking knob, and the other end of the bolt is matched with a nut in the first friction block sequentially through the locking connecting piece, the second friction block and the second rotating arm.

4. The foldable fan according to claim 1, wherein the second locking mechanism comprises a first positioning block, a damping rotating shaft and a second positioning block, and the damping rotating shaft fixes the first positioning block and the second positioning block at two ends thereof respectively.

5. The foldable fan according to claim 1, wherein the fan body comprises a fan face cover, a fan module, a fan rear case and a sliding lock, the fan face cover and the fan rear case are arranged oppositely and fastened by the sliding lock, and the fan module is clamped between the fan face cover and the fan rear case.

6. The foldable fan as claimed in claim 5, wherein an L-shaped notch is formed at one side of the fan rear case, a square hole is formed at one side of the fan front cover, and the sliding lock catch is used for clamping and fixing the fan rear case and the fan front cover through the L-shaped notch and the square hole.

7. The foldable fan according to claim 6, wherein the sliding latch is provided with a bending portion and a vertical portion, the bending portion is engaged with the sidewall of the fan cover, and the vertical portion is engaged with the L-shaped notch of the fan rear housing.

8. The foldable fan as claimed in claim 7, wherein a protrusion is formed at the other side of the fan rear case, and a groove matched with the protrusion is formed at the other side of the fan face cover.

9. The foldable fan of claim 8, wherein a notch for engaging with the second rotating arm is formed on the protruding portion of the side of the receiving cavity.

10. The foldable fan of claim 2, wherein the fixing member and the sleeve are provided with corresponding screw holes.

Images