KR200496809Y1 - Foldable Fan - Google Patents

Abstract

This utility model relates to the field of electric fan technology, and more particularly to a foldable electric fan. The foldable fan includes a fan body (1) installed on one side of the base; One end is rotatably assembled with the base and the other end is assembled with the fan body, and when the fan body is used, an elastic locking mechanism for fixing to the base and supporting the fan body after being fixed; And one end is assembled with the fan body, and the other end is assembled with the extension and contraction end, and when the fan body is used, it is for realizing locking between the fan body and the telescopic locking mechanism, or for storing the fan body. When doing, it includes a rotation locking mechanism for realizing rotation between the fan body and the telescopic locking mechanism. The application of the above technical solution has the advantages of good ventilation angle controllability, convenient folding, convenient storage, convenient portability, reduction of packaging materials and packaging volume, and reduction of transportation costs.

Description

Foldable Fan {Foldable Fan}

This utility model relates to the field of electric fan technology, and specifically to a foldable electric fan.

Currently, there are several types of fans on the market, but since the general fan body and the fixed rod are relatively fixed during use, it is difficult to adjust the blowing angle of the fan body, and the fan does not smoothly send wind to the human body. In addition, since the conventional electric fan cannot be folded and stored when not in use, it takes up space and is inconvenient to carry. Therefore, conventional fans do not satisfy the demand in practical use, and there is an urgent need for a fan that can adjust the blowing angle, is convenient to fold and store, and is convenient to carry, and such a fan can solve the above problems.

An object of the present utility model is to provide a foldable electric fan in consideration of the defects and shortcomings of the prior art. The fan structure has a compact space, the fan body can be adjusted in various angles, and it is easy to fold and store at the same time, the volume after folding is small, the ventilation angle is adjustable, it is convenient to fold, it is convenient to store, and it is convenient to carry It has the advantage of reducing packaging materials and packaging volume and reducing transportation costs.

Temporary examples of this utility model include a base; a fan body installed on one side of the base; One end is rotatably assembled with the base and the other end is assembled with the fan body, and when the fan body is used, an elastic locking mechanism for fixing to the base and supporting the fan body after being fixed; And one end is assembled with the fan body, and the other end is assembled with the extension and contraction end, and when the fan body is used, it is for realizing locking between the fan body and the telescopic locking mechanism, or for storing the fan body. When doing, it provides a foldable fan including a rotation locking mechanism for realizing rotation between the fan body and the telescopic locking mechanism.

In addition, a storage groove is installed in the base, and/or the storage groove is installed in the fan body, and when the fan body is folded, the telescopic locking mechanism and the rotation locking mechanism are rotated and folded, and then placed in the storage groove. are stored

In addition, the rotation locking mechanism may include a connection socket fixedly mounted to the fan body; a tilt header fixedly mounted on one side of the telescopic locking mechanism spaced apart from the base and assembled with the connection socket; a hinge coupling member having one end assembled with the connection socket and the other end assembled with the tilt header, and realizing a rotatable assembly between the tilt header and the connection socket; and a damping O-ring installed between the hinge coupling member and the tilt header.

In addition, a "c"-shaped notch is installed in the connection socket, two hinge coupling members are installed, and the two hanger coupling members are mounted on the inner wall surface facing each of the notches, and the tilt header One end has a round ring shape, is hinged between the two hinge coupling members, and the other end of the tilt header is fixedly assembled with the telescopic locking mechanism. Through the telescopic locking mechanism, it is folded relatively rotatably.

In addition, the telescopic locking mechanism may include: an telescopic mechanism having one end assembled with the base and the other end assembled with the fan body; and installed between the telescopic mechanism and the base, for locking the telescopic mechanism and the base when the telescopic mechanism is in use, and releasing the lock between the telescopic mechanism and the base when the telescopic mechanism is stored; , After releasing the lock, the extension mechanism includes a locking mechanism accommodated in the receiving groove while relatively rotating the base.

In addition, the telescopic mechanism includes an inner sleeve in which a hinge coupling end is rotatably assembled with the base; and an extension rod having a fixing end covered in the inner sleeve and fixedly assembled with the inner sleeve, and assembling the extension end and the fan body.

In addition, both sides of the hinged end of the inner sleeve extend outward to form a rotation shaft, the two rotation shafts are installed on the same axis, and an accommodation space is installed in the base, Mounting on one inner wall surface of the accommodation space A boss is installed, and mounting shaft holes are installed at positions corresponding to the two rotation shafts of the mounting boss, and the sizes of the mounting shaft holes are adapted to the sizes of the two rotation shafts, and the inner sleeve passes through the rotation shafts. To be rotatably mounted on the mounting boss, the two rotation shafts are respectively inserted into the mounting shaft holes.

In addition, a damping gasket for increasing frictional force is further covered and installed on the outer circumference of the rotating shaft, and the damping gasket is inserted between the rotating shaft and the mounting shaft hole of the mounting boss.

In addition, the locking mechanism may include an outer sleeve covering and connecting the inner sleeve so that the inner sleeve and the base are locked or unlocked, and the inner sleeve is relatively rotatable; and a stopper structure installed between the inner sleeve and the outer sleeve and limiting the outer sleeve to move only in the inner sleeve.

In addition, a locking member is installed between the outer sleeve and the base, and the locking member increases the locking area between the outer sleeve and the base to increase stability of the telescopic rod; When the outer sleeve relatively rotates the inner sleeve to approach the base, the outer sleeve locks the inner sleeve by attaching the locking member to the base, and the outer sleeve relatively rotates the inner sleeve When it moves away from the base, the outer sleeve releases the close contact with the locking member to unlock the inner sleeve.

In addition, a male thread is provided on an outer surface of the inner sleeve, a corresponding female thread is provided on an inner surface of the outer sleeve, and the outer sleeve is locked and fixed to the inner sleeve through a screw thread structure engaged with the inner sleeve.

In addition, the stopper structure may include a tight holding ring installed on one side spaced apart from the hinged end of the inner sleeve, engaged with the inner sleeve, and having an opening; and a locking ring, a part of which is inserted and connected to the inner sleeve through the opening of the tight holding ring, and the other part is engaged and assembled with the tight holding ring.

In addition, the locking mechanism includes a fixed header, a fixed piece, an adjusting piece and an adjusting bolt; An assembling chamber is installed on the rotating shaft, the fixed header is fixedly assembled in the assembling chamber, and the fixed header moves simultaneously with the rotating shaft; One end of the fixing piece is fixedly mounted to the base; the adjusting piece is installed between the fixing piece and the fixing header and/or between the fixing piece and the adjusting bolt; The adjusting bolt passes through the adjusting piece and the fixing piece to be assembled with the fixed header, and also to adjust the frictional force between the fixing piece and the fixed header.

After applying the above technical solution, the effect of this utility model is as follows. Since the rotation locking mechanism is installed in the fan body, the fan body can realize a rotation folding function and a multi-angle adjustment function through the rotation locking mechanism. In addition, since the telescopic locking mechanism is connected to the fan body, the telescopic locking function can be realized through the telescopic locking mechanism. This utility model has a simple and compact structure, and the fan body can be folded and stored in the base through a rotation locking mechanism and a telescopic locking mechanism. is convenient

In order to more clearly explain the technical solutions of the embodiments of the present utility model or the prior art, drawings necessary for use are briefly introduced in the process of describing the embodiments or the prior art below. Obviously, the drawings described below are only some embodiments of the present utility model, and those skilled in the art may obtain other drawings based on these drawings under the premise that creative labor is not performed.
1 is a schematic diagram of the overall structure of Embodiment 1 in a state of use;
Fig. 2 is a first exploded view of Embodiment 1;
Fig. 3 is an exploded view of the telescopic locking mechanism of Embodiment 1;
Fig. 4 is an enlarged view corresponding to detail A in Fig. 2;
Fig. 5 is a second exploded view of Embodiment 1;
Fig. 6 is a schematic diagram of the overall structure of Embodiment 1 in a folded state;
Fig. 7 is an illustration of the overall structure of Embodiment 2;
Fig. 8 is an exploded view of Example 2;
Fig. 9 is an illustration of the overall structure of Embodiment 3;
Fig. 10 is an exploded view of Example 3;

In combination with the following drawings, the utility model will be described in more detail.

This specific embodiment is only an interpretation of the utility model, but is not a limitation of the utility model. A person skilled in the art may modify parts that do not contribute to the creativity of the present embodiment based on demand after completing subscription to this specification. However, as long as they are within the scope of the claims of this utility model, they are all protected by the Patent Act.

Example 1:

As shown in Figs. 1-6, this embodiment relates to a foldable electric fan and includes a fan body (1), a rotation locking mechanism (2), a telescopic locking mechanism (3) and a base (4).

The fan body 1 is installed on one side of the base 4. One end of the telescopic locking mechanism 3 is rotatably assembled to the base 4, and the other end of the telescopic locking mechanism 3 is assembled with the fan body 1. When using the fan body (1), the telescopic locking mechanism (3) is fixed to the base (4), and is also used to support the fan body (1) after being fixed. One end of the rotation locking mechanism (2) is assembled with the fan body (1), and the other end is assembled with the telescopic locking mechanism (3). When using the fan body 1, the rotation locking mechanism 2 is for realizing locking between the fan body 1 and the telescopic locking mechanism 3; When the fan body is stored, the rotation locking mechanism (2) is for rotation between the fan body (1) and the telescopic locking mechanism (3).

As shown in Figs. 1, 2 and 5, the receiving groove 44 is provided in the base 4, and/or the receiving groove 44 is provided in the fan body 1; When the fan is folded, the telescopic locking mechanism 3 and the rotation locking mechanism 2 are accommodated in the receiving groove 44 after being rotated and folded. A master circuit board 5, a charged battery 6, a switch button 7 and a charging interface 8 are further installed on the base 4. Among them, the charging interface 8 is installed on the outer wall of one side of the base 4, the switch button 7 is installed on the upper surface of the mounting boss 42, the master circuit board 5 and the rechargeable battery 6 is mounted in the mounting boss 42. In addition, the master circuit board 5 is electrically connected to the motor 13, the charged battery 6, the switch button 7 and the electrical interface 8. Since the above parts are prior art and are not the central point protected in this utility model, they are not described here one by one.

As shown in Figs. 1, 2 and 5, in this embodiment, the base 4 has a cylindrical shape, and the upper end is open to form an accommodation space 41. A mounting boss 42 is installed on an inner wall surface of one side of the accommodation space 41 . The accommodating groove 44 is installed in the mounting boss 42, and the accommodating groove 44 and the accommodating space 41 communicate with each other. In order to secure the stability of the fan mounting, a weight fitting 9 is installed inside the base 4, and the weight fitting 9 is installed inside the mounting boss 42. In order to avoid separation from the base 4 after folding the fan, a locking block 15 is installed on the fan body 1, and the locking block 15 is for hanging around the accommodating space 41. In other embodiments, the accommodating groove 44 may be installed in the fan body 1, or a part of the accommodating groove 44 may be installed in the fan body 1 and the other part may be installed in the mounting boss 42. there is.

As shown in FIG. 5, the fan body 1 includes a cover 11, a back cover 12, a motor 13, and fan blades 14. After covering the cover 11 and the back cover 12, an accommodation chamber accommodating the motor 13 and the fan blade 14 is formed, the motor 13 is fixed in the back cover 12, and the motor ( The fan blade 14 is fixedly connected to the output shaft of 13). The fan body (1) part is not a central point protected in the present utility model as a prior art, so it is not described here one by one.

1-5, the rotation locking mechanism 2 includes a connecting socket 21, a tilt header 23, a local coupling member 22, and a damping O-ring 24. The connection socket 21 is fixedly seated on the rear surface of the fan body 1. The tilt header 23 is fixedly seated on one side far from the base 4 of the telescopic locking mechanism 3, and the tilt header 23 is for assembling with the connection socket 21. One end of the local coupling member 22 is assembled with the connection socket 21, and the other end is assembled with the tilt header 23. The local coupling member 22 is for realizing rotational assembly between the tilt header 23 and the connecting socket 21. The damping O-ring 24 is installed between the local coupling member 22 and the tilt header 23, and the damping O-ring 24 is for locking the fan body 1 after rotation.

As shown in FIGS. 1-5, specifically, a notch 211 having a “c”-shaped structure is installed in the connecting socket 21. Two local coupling members 22 are installed, and the two Korean paper coupling members 22 are mounted on the inner wall surface where the notches 211 face each other. One end of the tilt header 23 has a round ring shape and is hinged between two local coupling members 22, and the other end of the tilt header 23 is fixedly assembled with the telescopic locking mechanism 3. Among them, the damping O-ring 24 is installed in the hinged portion of the tilt header 23 and the two local coupling members 22. A circular through hole 231 is installed on the top of the tilt header 23, and a circular bump 221 is installed on the side facing the circular through hole 231 of the two local coupling members 22, and the two circular through holes 221 are installed. The bumps 221 and the circular through holes 231 correspond to each other. The damping O-ring 24 is inserted between the outer wall surface of the circular bump 221 and the inner wall of the circular through hole 231, and is also press-fitted. That is, the two damping O-rings 24 are for increasing radial friction generated when the tilt header 23 relatively rotates the two local coupling members 22, and after the fan body 1 rotates, state can be maintained.

When the fan body 1 is stored, the fan body 1 can realize horizontal rotation and folding through the rotation locking mechanism 2, and when the fan body 1 is unfolded and used, the fan body 1 It can be rotated in the tilt header 23 through the connected connection socket 21, and also realizes the multi-angle control function of the fan body 1 by adjusting the blowing angle of the fan body 1 through the damping O-ring 24. .

As shown in Figs. 1-5, the telescoping locking mechanism 3 includes a telescoping mechanism and a locking mechanism. One end of the extension mechanism is assembled with the base (4), and the other end is assembled with the fan body (1). The locking mechanism is installed between the telescoping mechanism and the base 4. When using the telescoping mechanism, the locking mechanism is for locking the telescoping mechanism and the base 4, and when the telescoping mechanism is housed, the locking mechanism is (4) is unlocked, and after unlocking, the telescopic mechanism relatively rotates the base (4) and is accommodated in the receiving groove (44).

1-5, the telescoping mechanism includes an inner sleeve 32 and an telescoping rod 31. The hinged end of the inner sleeve 32 is rotatably assembled with the base 4 . The fixed end of the extension rod 31 is installed inside the inner sleeve 32, and is also fixedly assembled with the inner sleeve 32. The extension end of the extension rod 31 is assembled with the fan body 1.

Specifically, as shown in FIGS. 1-5, both sides of the hinge end of the inner sleeve 32 each extend outward to form a rotational shaft 34, and the two rotational shafts 34 are installed on the same axis. An accommodating space 41 is installed in the base 4, and a mounting boss 42 is installed on one inner wall surface of the accommodating space 41, corresponding to the two rotational shafts 34 of the mounting boss 42. A mounting shaft hole 43 is installed at each position. Among them, the size of the mounting shaft hole 43 and the size of the two rotation shafts 34 are adapted to each other. Two rotation shafts 34 are inserted into the mounting shaft holes 43 so that the inner sleeve 32 can be rotatably mounted on the mounting boss 42 through the rotation shaft 34.

1-5, the locking mechanism includes a locking member 37, an outer sleeve 33 and a stopper structure. The outer sleeve 33 is connected by covering the inner sleeve 32, and the inner sleeve 32 can be relatively rotatable to lock or unlock between the inner sleeve 32 and the base 4. The stopper structure is installed between the inner sleeve 32 and the outer sleeve 33, and the stopper structure is for limiting the outer sleeve 33 to move only on the inner slab 32. The locking member 37 is installed by covering the inner sleeve 32, and is also located at the hinged end of the inner sleeve 32.

What should be explained is that when the outer sleeve 33 relatively rotates the inner sleeve 32 and approaches the base 4, the outer sleeve 33 causes the locking member 37 to adhere to the base 4, lock the inner sleeve 32; When the outer sleeve 33 relatively rotates the inner sleeve 32 and moves away from the base 4, the outer sleeve 33 is released from close contact with the locking member 37 and the inner sleeve 32 is unlocked. do.

Specifically, as shown in Figs. 1-5, the outer surface of the inner sleeve 32 is a male thread, and the inner surface of the outer sleeve 33 is a corresponding female thread; The outer sleeve 33 may be locked and fixed to the inner sleeve 32 through a screw thread structure engaged with the inner sleeve 32 . Since the locking member 37 is covered and installed on the inner sleeve 32, when the outer sleeve 33 drives the locking member 37 and adheres to the mounting boss 42, the outer sleeve 33 and the inner sleeve ( 32) and the extension rod 31 secure the normal operation of the fan body 1 by relatively fixing the base 4.

As shown in FIG. 6, in other words, when the fan body 1 is not used, first, the fan body 1 is folded by rotating the telescopic locking mechanism 3 relatively horizontally, and then the fan body 1 is folded to the base. (4) It rotates in the direction of the base 4 around the rotation shaft 34 by driving the telescopic locking mechanism so that it can be accommodated in the upper end surface. At the same time, the rotation mechanism and the telescopic locking mechanism 3 can be housed in the receiving groove 44.

Additionally, as shown in FIG. 3, a damping gasket 35 for increasing frictional force is installed on the outer circumference of the rotating shaft 34 as well. The damping gasket 35 is installed between the rotating shaft 34 and the mounting shaft hole 43 of the mounting boss 42.

As shown in Figures 1-5, preferably, the extension rod 31 is assembled by being hinged to the inner wall of the hinged end of the inner sleeve 32 through the hinged header 38 installed below. Since the inner chamber of the inner sleeve 32 is larger than the radial size of the elastic rod 31, when the elastic rod 31 is mounted in the inner sleeve 32, the elastic rod 31 easily shakes the inner sleeve 32 relatively. . In order to secure the assembly stability between the extension rod 31 and the inner sleeve 32 and the assembly stability, a stopper structure is installed between the outer sleeve 33 and the extension rod 31.

1-5, the stopper structure includes a tight holding ring 39 and a locking ring 36. The tight holding ring 39 is installed on one side far from the hinged end of the inner sleeve 32, and the tight holding ring 39 and the inner slab 32 are engaged and assembled, and the opening 393 It is installed. A part of the lock ring 36 passes through the opening 393 of the tight holding ring 39 and is inserted and connected to the inner sleeve 32, and the other part is engaged with the tight holding ring 39.

1-5, specifically, a first locking hole 321 and a slot 322 are installed above the inner sleeve 32, and at the same time, the first locking block 391 is installed on the tight holding ring 39. ) is installed. When assembling the tight holding ring 39 and the inner sleeve 32, the tight holding ring 39 and the inner sleeve 32 are assembled through the assembly of the first locking block 391 and the first locking hole 321. come true A second locking hole 392 is installed in the tight holding ring 39, and at the same time, a second locking block 361 and an insertion block 362 protrude and are installed on the inner wall of the locking ring 36. When assembling the locking ring 36 and the tight holding ring 39, first pass through the opening 393 through the insertion block 362, engage the slot 322, and again through the second locking block 361 The assembly between the locking ring 36 and the tight holding ring 39 is realized by engaging with the second locking hole 392.

1-5, preferably, an arc groove 311 is installed on the extension rod 31, an arc bump 363 is installed on the locking ring 36, and the arc bump 363 and the arc bump Through the engagement of the groove 311, the elastic rod 31 and the lock ring 36 can be closely engaged. The locking ring 36 is closely engaged with the inner sleeve 32 through the tight holding ring 39 to ensure tight assembly between the elastic rod 31 and the inner sleeve 32 .

The principle of use of this utility model is generally as follows. When using the foldable fan, first, the locking block 15 and the base 4 are separated by external force, and the lock between the base 4 and the fan body 1 is released. Then, the fan body 1 is pushed to rotate about the tilt header 23 through the hinge coupling member 22, and the extension rod 31 includes the inner sleeve 32, the outer sleeve 33, Pull the fan body (1) obliquely upward after opening it at an appropriate angle so that it rotates upward around the rotational shaft (34) with the stopper structure and the locking member. After the extension rod 31 and the base 4 are perpendicular, the sleeve 33 is rotated so that the outer sleeve 33 drives the locking member 37 to come into close contact with the mounting boss 42, thereby extending the extension rod ( 31) is locked in the vertical position; Finally, after adjusting the fan body 1 to the required angle through the damping O-ring 24 between the hinge coupling member 22 and the tilt header 23, press the switch button 7 on the mounting boss again, Blowing is carried out with a foldable fan. When storing the foldable fan, first, the telescopic rod 31 is accommodated, and then the rotation locking mechanism 2 is rotated to rotate the fan body 1. Finally, the fan body 1 and the rotation locking mechanism 2 are rotated through the telescopic locking mechanism and stored in the receiving groove 44. In addition, the locking of the foldable fan is completed through the locking connection between the locking block 15 and the base 4. The folding fan set as described above has an advantage in that the controllability of the blowing angle is good, the folding and storage are convenient, the portability is good, and the transportation cost is reduced by reducing packaging materials and packaging volume.

Example 2:

The main differences between this embodiment and the first embodiment are as follows.

7 and 8, in this embodiment, an annular rib 45 is installed on one side far from the cover 11 of the back cover 12 of the fan body 1. The annular rib 45 is integrally formed with the rear cover 12 and is surrounded by the rear cover 12 to form a storage chamber 46 . The locking structure and the telescoping mechanism are housed in a storage space composed of a storage groove 44 and a storage chamber 46.

Among them, the locking mechanism includes a fixed header 47, a fixing piece 48, an adjusting bolt 50 and an adjusting piece 49. An assembly chamber 51 is installed on the rotary shaft 34, and a fixed header 47 is fixedly assembled in the assembly chamber 51 and moves simultaneously with the rotary shaft 34. One end of the fixing piece 48 is fixedly mounted to the base 4, and the fixing piece 48 is for fixing the other end of the damper to the base 4. The adjusting piece 49 is installed between the fixing piece 48 and the fixed header 47 and/or between the fixing piece 48 and the adjusting bolt 50. The adjusting bolt 50 penetrates the adjusting piece 49 and the fixing piece 48 and is screwed into the fixed header 47, and the adjusting bolt 50 is the frictional force between the fixing piece 48 and the fixed header 47. is to regulate In this embodiment, two adjusting pieces 49 are installed, one of which is located between the fixing piece 48 and the fixed header 47, and the other between the fixing piece 48 and the adjusting bolt 50. located in

Preferably, a mounting table is installed on one side approaching the receiving groove 44 of the inner wall of the base 4, and the fixing piece 48 is fixedly mounted to the mounting table through two fixing screws. A through hole is installed at the other end of the rotating shaft 34, and the through hole is for passing and installing a spring wire in the extension rod 31.

Example 3:

The main differences between this embodiment and Examples 1 and 2 are as follows.

As shown in Figs. 9 and 10, the locking mechanism in this embodiment is constituted by a combination of Embodiment 1 and Embodiment 2. The locking mechanism set in this way not only effectively secures the stability when the telescopic rod is fixed, but also improves the user's experience by effectively improving the touch of the hand when the folding device is rotated and retracted.

The above is used only for description of the technical solution of this utility model, but is not restrictive. Other modifications or equivalent replacements of the technical solution of this utility model by those skilled in the art are all within the scope and spirit of the technical solution of this utility model. It should be included in the claims of the utility model.

1. Fan body; 2. Rotation locking mechanism;
3. Telescopic locking mechanism; 4. base;
5. Master circuit board; 6. Recharge batteries;
7. switch button; 8. Charging interface;
9. Weight fittings; 11. cover;
12. Back cover; 13. Motor;
14. Fan blades; 15. Hang block;
21. connection socket; 211. notch;
22. Hinge coupling member; 221. circular bumps;
23. Tilt header; 231. Circular through-hole;
24. Damping O-ring; 31. telescopic rod;
311. arc groove; 32. Inner sleeve;
321. First locking hole; 322. Slot;
33. outer sleeve; 34. axis of rotation;
35. Damping gasket; 36. lock ring;
361. Second lock block; 362. Insert block;
363. Arc bump; 37. Locking member;
38. Hinged header; 39. tight holding ring;
391. First lock block; 392. Second locking hole;
393. Opening; 41. Accommodation space;
42. Mounting boss; 43. Mounting shaft hole;
44. storage groove; 45. Annular ribs;
46. Storage chamber; 47. fixed header;
48. Batten; 49. Control piece;
50. Adjustment bolt; 51. Assembly chamber.

Claims (13)

base 4;
An electric fan body (1) installed on one side of the base (4);
One end is rotatably assembled with the base 4, and the other end is assembled with the fan body 1, and when the fan body 1 is used, it is fixed with the base 4 and after being fixed, the fan Telescopic locking mechanism (3) for supporting the body (1); and
One end is assembled with the fan body (1), and the other end is assembled with the extension end of the telescopic locking mechanism (3). When the fan body (1) is used, the fan body (1) and the telescopic locking mechanism (3) ), or, when the fan body is stored, rotation locking mechanism (2) for realizing rotation between the fan body (1) and the telescopic locking mechanism (3) including,
The telescopic locking mechanism 3,
an extension mechanism having one end assembled with the base 4 and the other end assembled with the fan body 1; and
including a locking mechanism installed between the telescopic mechanism and the base (4);
The stretching mechanism,
an inner sleeve 32, the hinged end of which is rotatably assembled with the base 4; and
A fixed end is installed by being covered with the inner sleeve 32 and fixedly assembled with the inner sleeve 32, and includes an extension rod 31 for assembling the extension end and the fan body 1;
The locking mechanism,
The outer sleeve 33, which is connected by being covered on the inner sleeve 32 so that the inner sleeve 32 and the base 4 is locked or unlocked, and the inner sleeve 32 is relatively rotatable, A folding fan comprising: According to claim 1,
An accommodating groove 44 is installed in the base 4, and/or an accommodating groove 44 is installed in the fan body 1, and when the fan body is folded, the telescopic locking mechanism 3 and the The rotation locking mechanism (2) is a foldable electric fan, characterized in that after being rotated and folded, stored in the receiving groove (44). According to claim 2,
The rotation locking mechanism 2,
a connection socket 21 fixed to the fan body 1;
A tilt header (23) fixedly mounted on one side of the telescopic locking mechanism (3) spaced apart from the base (4) and assembled with the connection socket (21);
One end is assembled with the connection socket 21, the other end is assembled with the tilt header 23, and the hinge coupling for realizing a rotatable assembly between the tilt header 23 and the connection socket 21 member 22; and
A folding fan comprising a damping O-ring (24) installed between the hinge coupling member (22) and the tilt header (23). According to claim 3,
A notch 211 having a "c" shape structure is installed in the connection socket 21, two hinge coupling members 22 are installed, and the two hinge coupling members 22 are respectively connected to the notches 211 is mounted on the facing inner wall surface, one end of the tilt header 23 has a round ring shape, is hinged between the two hinge coupling members 22, and the other end of the tilt header 23 is the elastic It is fixedly assembled with the locking mechanism (3), and when the fan body (1) is stored, the fan body (1) makes the telescopic locking mechanism (3) relatively rotatable through the tilt header (23) of the connection socket (21) A folding fan characterized in that it can be folded. According to claim 4,
When the telescopic mechanism is used, the locking mechanism is for locking the telescopic mechanism and the base 4, and when the telescopic mechanism is stored, the lock between the telescopic mechanism and the base 4 is unlocked and locked. After being released, the extension mechanism rotates the base 4 relatively and is accommodated in the receiving groove 44. delete According to claim 1,
Both sides of the hinge end of the inner sleeve 32 extend outward to form a rotation shaft 34, and the two rotation shafts 34 are installed on the same axis, and the base 4 has a receiving space 41 is installed, a mounting boss 42 is installed on one inner wall surface of the receiving space 41, and mounting shaft holes 43 are installed at positions corresponding to the two rotation shafts 34 of the mounting boss 42, respectively. The size of the mounting shaft hole 43 is adapted to the size of the two rotating shafts 34, and the inner sleeve 32 is rotatably mounted to the mounting boss 42 through the rotating shaft 34. Foldable fan characterized in that the two rotation shafts (34) are inserted into the mounting shaft hole (43), respectively, so that it can be installed. According to claim 7,
A damping gasket 35 for increasing frictional force is further covered and installed on the outer circumference of the rotating shaft 34, and the damping gasket 35 is installed through the mounting shaft hole 43 of the rotating shaft 34 and the mounting boss 42. A folding fan, characterized in that installed in between. According to claim 7,
The locking mechanism,
A stopper structure installed between the inner sleeve 32 and the outer sleeve 33 and limiting the outer sleeve 33 to move only in the inner sleeve 32; folding fan characterized in that it further comprises . According to claim 9,
A locking member 37 is installed between the outer sleeve 33 and the base 4, and the locking member 37 increases the locking area between the outer sleeve 33 and the base 4 to expand and contract. It is for increasing the stability of the rod 31;
When the outer sleeve 33 relatively rotates the inner sleeve 32 to approach the base 4, the outer sleeve 33 attaches the locking member 37 to the base 4 to The inner sleeve 32 is locked, and when the outer sleeve 33 relatively rotates the inner sleeve 32 and moves away from the base 4, the outer sleeve 33 moves away from the locking member 37. Foldable electric fan, characterized in that to release the lock of the inner sleeve (32) by releasing the close contact with. According to claim 10,
A male thread is provided on the outer surface of the inner sleeve 32, a corresponding female thread is provided on the inner surface of the outer sleeve 33, and the outer sleeve 33 has a screw thread structure engaged with the inner sleeve 32. A folding fan characterized in that it is locked and fixed to the inner sleeve (32) through. According to claim 11,
The stopper structure,
a tight holding ring (39) installed on one side of the inner sleeve (32) spaced apart from the hinge end, engaged with the inner sleeve (32), and provided with an opening (393); and
A part is inserted and connected to the inner sleeve 32 through the opening 393 of the tight holding ring 39, and the other part includes a locking ring 36 engaged with the tight holding ring 39 A folding fan characterized in that. According to claim 7,
The locking mechanism includes a fixed header 47, a fixed piece 48, an adjusting piece 49 and an adjusting bolt 50;
The assembly chamber 51 is installed on the rotation shaft 34, the fixed header 47 is fixedly assembled in the assembly chamber 51, and the fixed header 47 moves simultaneously with the rotation shaft 34. ;
One end of the fixing piece 48 is fixedly mounted on the base 4;
the adjusting piece 49 is installed between the fixing piece 48 and the fixed header 47 and/or between the fixing piece 48 and the adjusting bolt 50;
The adjusting bolt 50 passes through the adjusting piece 49 and the fixing piece 48 and is assembled with the fixed header 47, and the frictional force between the fixing piece 48 and the fixed header 47 A folding fan characterized in that for adjusting.

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