CN216554533U - Folding fan - Google Patents

Abstract

The utility model discloses a folding fan, which comprises: a fan head; the support comprises a first support rod and a second support rod which are arranged at intervals; the end part of the first support rod and/or the second support rod is provided with a limiting tooth groove, and the rotating connecting rod is provided with a toothed fixing part matched with the limiting tooth groove; one end of the rotating connecting rod is compressed and abutted to the first supporting rod, the other end of the rotating connecting rod is abutted to the inner side of the adjusting switch, and a limiting hole is formed in the adjusting switch. So set up, when folding the opening angle of accomodating the fan or adjusting the fan head, only need press regulating switch to spacing hole and the corresponding position of swivelling joint pole, can realize the free rotation the fan head. In addition, in the process of adjusting the angle of the fan head, the adjusting switch does not need to be pressed all the time, and the operation is more convenient and labor-saving.

Description

Folding fan

Technical Field

The utility model relates to the technical field of fans, in particular to a folding fan.

Background

The fan is liked by the consumer as the essential auxiliary product of relieving summer heat of family in summer, but when need not use the fan or go out and need carry the fan, because the fan size is big, need occupy more space, the folding of fan is accomodate and is just become a puzzlement user's main problem.

At present, the angles of most folding fans on the market are adjusted by matching and pre-tightening, the time is long, after the fans are folded for many times, the matching surfaces are abraded, the fans are not tightly matched to cause looseness, and the service life is short. In addition, current folding fan, user take in the fan folding or adjust the fan and open the in-process of angle, need press regulating switch's button with the hand always, can realize rotating the fan, and the operation is very inconvenient to keep pressing the posture always and also can seriously consume user's physical power, influence user's use and experience.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is that in the prior art, a user needs to press a button of an adjusting switch by hand in the process of folding and storing the fan or adjusting the opening angle of the fan to rotate the fan, so that the operation is very inconvenient, and the user's physical strength is seriously consumed by keeping the pressing posture all the time, so that the use experience of the user is influenced, thereby providing the folding fan.

To achieve the above object, an embodiment of the present invention provides a folding fan, including:

a fan head;

the support comprises a first support rod and a second support rod which are arranged at intervals, and an accommodating space capable of accommodating the fan head is formed at the interval between the first support rod and the second support rod;

the fan head is fixed on the rotary connecting rod, a limiting tooth groove is formed in the end part of the first supporting rod and/or the second supporting rod, and the rotary connecting rod is provided with a toothed fixing part matched with the limiting tooth groove;

the adjusting switch is telescopically arranged on the second support rod, one end of the rotating connecting rod is compressed and abutted against the first support rod, the other end of the rotating connecting rod is abutted against the inner side of the adjusting switch, and a limiting hole is formed in the adjusting switch;

the adjusting switch is provided with a locking position for limiting the rotary connecting rod to move in the axial direction and an unlocking position for enabling the end part of the rotary connecting rod to extend out of the limiting hole;

when the adjusting switch is in a locking position, the toothed fixing part is meshed with the limiting tooth groove, and the rotating connecting rod cannot rotate; when the adjusting switch is located at the unlocking position, the toothed fixing part is separated from the limiting tooth groove, and the rotating connecting rod can rotate freely.

Optionally, a first connecting seat is arranged at the upper end of the first supporting rod, and a second connecting seat is arranged at the upper end of the second supporting rod;

the rotary connecting rod comprises a rotary rod main body, and two ends of the rotary rod main body are respectively connected with the first connecting seat and the second connecting seat;

the adjusting switch comprises a switch body which is telescopically arranged in the second connecting seat, the switch body is provided with the limiting hole, and the moving direction of the switch body and the axial direction of the rotating connecting rod are set to form an included angle.

Optionally, the folding fan further comprises:

the first spring is arranged between the first connecting seat and the rotary connecting rod and used for applying axial acting force to the rotary connecting rod to move towards the direction close to the second connecting seat;

when the switch body moves to the position where the limiting hole corresponds to the end of the rotary connecting rod, the rotary connecting rod can penetrate through the limiting hole under the action of the first spring so as to drive the toothed fixing part to be separated from the limiting tooth groove.

Optionally, the adjusting switch further comprises:

the second spring is arranged between the switch body and the second connecting seat; when the rotating connecting rod is separated from the contact with the limiting hole, the switch body can move to the locking position under the action of the second spring.

Optionally, the second connecting seat comprises a seat body with one open end and the other closed end;

the peripheral wall of the seat body is provided with an avoiding hole, one end of the switch body is abutted against the peripheral wall of the seat body through the second spring, and the other end of the switch body extends out of the avoiding hole.

Optionally, the switch body comprises a switch pressing column, a limiting part and a spring fixing column which are connected in sequence;

the limiting hole is formed in the limiting part, and the end part of the switch pressing column extends out of the avoidance hole;

the seat body is provided with a spring mounting groove, one end of the second spring is sleeved on the spring fixing column, and the other end of the second spring is compressed and limited in the spring mounting groove.

Optionally, the second connecting seat comprises a cylindrical peripheral wall and a blocking cover connected to an opening at one end of the cylindrical peripheral wall;

the switch body is located between the rotating connecting rod and the blocking cover, the switch body is provided with a limiting surface which is abutted against the rotating connecting rod, and the distance between the limiting surface and the blocking cover is larger than the groove width of the limiting tooth groove.

Optionally, the toothed fixing part is a fixing tooth fixedly arranged on at least one side end of the rotating rod main body;

and limiting tooth grooves matched with the fixing teeth are correspondingly arranged in the first connecting seat and/or the second connecting seat.

Optionally, an avoiding chute is further arranged on the inner periphery of the first connecting seat and/or the second connecting seat, and the inner diameter of the avoiding chute is larger than the maximum outer diameter of the toothed fixing part;

the limiting tooth grooves and the avoiding sliding grooves are arranged in the first connecting seat and/or the second connecting seat along the axial direction of the rotating rod main body, and when the adjusting switch is located at the unlocking position, the toothed fixing part can freely rotate in the avoiding sliding grooves.

Optionally, the swivel connection link further comprises:

and the handle is fixedly arranged on the rotating rod main body and is used for assisting the manual operation of the rotating connecting rod.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. an embodiment of the present invention provides a folding fan, including: a fan head; the support comprises a first support rod and a second support rod which are arranged at intervals, and an accommodating space capable of accommodating the fan head is formed at the interval between the first support rod and the second support rod; the fan head is fixed on the rotary connecting rod, a limiting tooth groove is formed in the end part of the first supporting rod and/or the second supporting rod, and the rotary connecting rod is provided with a toothed fixing part matched with the limiting tooth groove; the adjusting switch is telescopically arranged on the second support rod, one end of the rotating connecting rod is compressed and abutted against the first support rod, the other end of the rotating connecting rod is abutted against the inner side of the adjusting switch, and a limiting hole is formed in the adjusting switch; the adjusting switch is provided with a locking position for limiting the rotary connecting rod to move in the axial direction and an unlocking position for enabling the end part of the rotary connecting rod to extend out of the limiting hole; when the adjusting switch is in a locking position, the toothed fixing part is meshed with the limiting tooth groove, and the rotating connecting rod cannot rotate; when the adjusting switch is located at the unlocking position, the toothed fixing part is separated from the limiting tooth groove, and the rotating connecting rod can rotate freely.

With the arrangement, when a user wants to fold and store the fan or adjust the opening angle of the fan head, the user only needs to press the adjusting switch to the unlocking position where the limiting hole corresponds to the rotating connecting rod, so that the toothed fixing part is separated from the limiting tooth groove, and the rotating connecting rod can rotate freely. In addition, in the process of adjusting the angle of the fan head, the adjusting switch does not need to be pressed all the time, so that the operation is more convenient and quicker, and time and labor are saved. After the folding position or the opening angle is adjusted to be required, a user only needs to apply pushing force far away from the adjusting switch to the rotating connecting rod, and the rotating connecting rod is enabled to be separated from the limiting hole. The adjusting switch can be reset to a locking position which is abutted against the outer side of the end part of the rotating connecting rod under the action of self elastic force so as to limit the displacement of the rotating connecting rod in the axial direction. At this time, the rotating connecting rod cannot move in the circumferential direction or the axial direction, so that the reliability and the stability of the whole fan are higher.

2. According to the embodiment of the utility model, through the arranged first spring, when the switch body moves to the position corresponding to the end part of the limiting hole and the rotating connecting rod, the rotating connecting rod can automatically pass through the limiting hole under the action of the first spring to drive the toothed fixing part to be separated from the contact with the limiting tooth groove, the rotating connecting rod does not need to be moved manually, and the labor is saved and the convenience is realized.

3. According to the embodiment of the utility model, the rotary connecting rod moves towards the direction far away from the switch body under the action of external force through the arranged second spring, and when the rotary connecting rod is separated from the contact with the limiting hole, the switch body can move to the locking position under the action of the second spring, so that the adjusting switch does not need to be reset manually, the labor is saved, the convenience is realized, and the stability and the reliability of the structure are higher.

4. According to the embodiment of the utility model, the rotating connecting rod is convenient for a user to rotate through the arranged handle, and the rotating connecting rod is also convenient for the user to push and press in the direction far away from the adjusting switch when the fan head rotates to a proper angle, so that the fan head can be more quickly stabilized at a preset angle position, and the convenience of operation is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for a worker of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a foldable fan according to an embodiment of the present invention, showing a predetermined opening angle;

FIG. 2 is a schematic structural view of the foldable fan of the present invention folded and stored in the storage space;

FIG. 3 is a schematic cross-sectional view of a foldable fan with a set opening angle according to an embodiment of the present invention;

FIG. 4 is an exploded view of a folding fan according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a support according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a first rotating rod according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second rotating lever according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a switch body of the regulating switch according to the embodiment of the present invention;

fig. 9 is a schematic structural diagram of a toothed fixing portion according to an embodiment of the present invention.

Reference numerals:

1. a fan head; 11. a fan head connecting rod;

2. a support;

21. a first support bar; 211. a first connecting seat; 2111. a spring positioning slot; 212. a first spring;

22. a second support bar; 221. a second connecting seat; 2211. sealing the blocking cover; 2212. a first screw; 2213. a spring mounting groove; 2214. avoiding holes;

23. a limiting tooth socket; 24. avoiding the chute;

3. a rotating connecting rod; 31. a first rotating rod; 311. a first screw hole; 312. a connecting portion; 32. a second rotating rod; 321. a second screw hole; 322. a mounting surface; 323. positioning the surface; 33. a toothed fixing part; 331. first stationary teeth; 332. second fixed teeth; 34. a handle; 35. a fan head mounting part;

4. an adjustment switch; 41. a switch body; 411. a limiting part; 4111. a limiting hole; 412. a switch pressing post; 413. a spring fixing column; 42. a second spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a worker skilled in the art without creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases by a worker of ordinary skill in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The fan is liked by the consumer as the essential auxiliary product of relieving summer heat of family in summer, but when need not use the fan or go out and need carry the fan, because the fan size is big, need occupy more space, the folding of fan is accomodate and is just become a puzzlement user's main problem. At present, the angles of most folding fans are adjusted by matching and pre-tightening, the time is long, after being folded for many times, the matching surfaces are abraded, the matching is not tight, the looseness is caused, and the service life is short. In addition, current folding fan, user take in the fan folding or adjust the fan and open the in-process of angle, need press regulating switch's button with the hand always, can realize rotating the fan, and the operation is very inconvenient to keep pressing the posture always and also can seriously consume user's physical power, influence user's use and experience.

Therefore, the technical problem to be solved by the utility model is that in the prior art, a user needs to press a button of an adjusting switch by hand in the process of folding and storing the fan or adjusting the opening angle of the fan to rotate the fan, so that the operation is very inconvenient, and the user's physical strength is seriously consumed by keeping the pressing posture all the time, so that the use experience of the user is influenced, thereby providing the folding fan.

Example 1

As shown in fig. 1 to 9, an embodiment of the present invention provides a folding fan, including: fan head 1, support 2, rotation connecting rod 3 and regulating switch 4.

Specifically, the support 2 comprises a first support rod 21 and a second support rod 22 which are arranged at intervals, and the interval between the first support rod 21 and the second support rod 22 forms an accommodating space which can accommodate the fan head 1.

With the arrangement, as shown in fig. 2, when the folding fan needs to be stored or carried out, the fan head 1 can be rotated into the containing space, so that the fan head 1 is folded and contained in the containing space, the space occupied by the fan can be effectively reduced, and the folding fan is convenient to store and carry.

Referring to fig. 1 to 4, in the embodiment of the present invention, the fan head 1 is fixed on the rotating connecting rod 3, a limiting tooth slot 23 is disposed on an end of the first supporting rod 21 and/or the second supporting rod 22, and the rotating connecting rod 3 has a toothed fixing portion 33 engaged with the limiting tooth slot 23. The toothed fixing portion 33 is engaged with the stopper teeth grooves 23 to restrict the rotation of the rotary link 3 in the circumferential direction, so that the fan head 1 can be stably maintained at a predetermined position.

In the embodiment of the present invention, the adjusting switch 4 is telescopically arranged on the second supporting rod 22, one end of the rotating connecting rod 3 is compressed and abutted on the first supporting rod 21, and the other end abuts against the inner side of the adjusting switch 4. Be provided with spacing hole 4111 on regulating switch 4, spacing hole 4111 is greater than for the internal diameter the through-hole of swivelling joint pole 3 external diameter. The adjusting switch 4 has a locking position for limiting the movement of the rotating connecting rod 3 in the axial direction and an unlocking position for allowing the end of the rotating connecting rod 3 to extend out of the limiting hole 4111. When the adjusting switch 4 is in the locking position, the toothed fixing part 33 is meshed with the limiting tooth groove 23, and the rotating connecting rod 3 cannot rotate; when the adjusting switch 4 is located at the unlocking position, the toothed fixing part 33 is separated from the limiting tooth groove 23, and the rotating connecting rod 3 can rotate freely.

With the arrangement, when a user wants to fold, store or adjust the opening angle of the fan head 1, the user only needs to press the adjusting switch 4 to the unlocking position where the limiting hole 4111 corresponds to the rotating connecting rod 3, so that the toothed fixing part 33 is separated from the limiting tooth groove 23, and the rotating connecting rod 3 can rotate freely.

In addition, in the process of adjusting the angle of the fan head 1, the adjusting switch 4 does not need to be pressed all the time, so that the operation is more convenient and quicker, and time and labor are saved. After adjusting to the desired folding position or opening angle, the user only needs to apply a pushing force to the rotating connecting rod 3 away from the adjusting switch 4, so that the rotating connecting rod 3 is out of contact with the limiting hole 4111. The adjustment switch 4 can be reset to a locking position abutting against the outer side of the end portion of the rotating link 3 under the action of its own elastic force, so as to limit the displacement of the rotating link 3 in the axial direction. At this time, the rotating link 3 cannot move in either the circumferential direction or the axial direction, so that the reliability and stability of the entire fan are higher.

In the embodiment of the utility model, the functions of adjusting the angle of the fan and folding and storing are realized by adopting the meshing connection of the limiting tooth grooves 23 and the toothed fixing parts 33 and the design of the adjusting switch 4, the folding mode is simple and reliable, and the problem that the existing folding fan cannot be adjusted due to excessive times of adjusting the folding angle and the abrasion and looseness between matching surfaces is effectively solved.

Optionally, as shown in fig. 1 to 5, in an embodiment of the present invention, a first connecting seat 211 is disposed at an upper end of the first supporting rod 21, and a second connecting seat 221 is disposed at an upper end of the second supporting rod 22; the rotating connecting rod 3 includes a rotating rod body, and both ends of the rotating rod body are respectively connected with the first connecting seat 211 and the second connecting seat 221.

In an embodiment of the present invention, as shown in fig. 1, fig. 3, fig. 4, and fig. 8, the adjusting switch 4 includes a switch body 41 telescopically disposed in the second connecting seat 221, the switch body 41 is provided with the limiting hole 4111, and a moving direction of the switch body 41 forms a set included angle with an axial direction of the rotating connecting rod 3. So set up, guarantee switch body 41 is at the in-process of flexible removal, spacing hole 4111 can move to with the position that swivelling joint pole 3 corresponds guarantees that the tip of swivelling joint pole 3 can pass smoothly spacing hole 4111.

Preferably, the moving direction of the switch body 41 forms an included angle of 90 ° with the axial direction of the rotating connecting rod 3, that is, the moving direction of the switch body 41 is perpendicular to the axial direction of the rotating connecting rod 3. So set up, can enough guarantee switch body 41 at the in-process of flexible removal, the tip of swivelling joint pole 3 can pass spacing hole 4111 can guarantee again regulating switch 4 can to when being in latched position, swivelling joint pole 3 provides more stable binding power to avoid regulating switch 4 effectively when being in latched position swivelling joint pole 3 and regulating switch 4 break away from the phenomenon of contact.

Optionally, as shown in fig. 3 to 5, the folding fan further includes: and a first spring 212 disposed between the first coupling seat 211 and the swing link 3, for applying an axial force to the swing link 3 moving in a direction approaching the second coupling seat 221.

Preferably, the first spring 212 is a compression spring which is compressively disposed between the first coupling seat 211 and the rotating link 3.

So set up, switch body 41 is moving extremely when the position that spacing hole 4111 corresponds with the tip of rotating connection rod 3, rotating connection rod 3 can pass under the effect of first spring 212 spacing hole 4111, in order to drive take tooth fixed part 33 break away from with the contact of spacing tooth's socket 23, need not manual operation rotating connection rod 3, laborsaving convenience.

Alternatively, as shown in fig. 3 and 5, the first connecting seat 211 includes a first connecting seat body having a cylindrical shape. An annular end wall is arranged on the opening edge of the first connecting seat body far away from the second connecting seat 221, and the outer ring edge of the annular end wall is connected to the opening edge of the first connecting seat body. The inner ring edge of the annular end wall is turned inwards to form an annular flange, a spring positioning groove 2111 is formed between the annular flange and the peripheral wall of the first connecting seat body, and the spring positioning groove 2111 is used for limiting and mounting the first spring 212. The first spring 212 and the rotating connecting rod 3 can be more stably supported and limited by the arranged spring positioning slot 2111.

Optionally, as shown in fig. 3 to 5 and 8, the adjusting switch 4 further includes: and a second spring 42 disposed between the switch body 41 and the second connection holder 221. So set up, swivelling joint pole 3 is to keeping away from under the exogenic action switch body 41's direction removes, break away from with during spacing hole 4111's contact, switch body 41 can remove to latched position under the effect of second spring 42, need not manual reset regulating switch 4, laborsaving convenience, and the stability and the reliability of structure are higher.

Alternatively, the second spring 42 extends in a direction perpendicular to the axial direction of the rotating link 3. So set up, make switch body 41's moving direction with swivelling joint pole 3's axial direction is mutually perpendicular, ensures switch body 41 at the in-process of flexible removal, spacing hole 4111 can move to the position with swivelling joint pole 3 concentricity, can supply swivelling joint pole 3 passes switch body 41 smoothly.

In the embodiment of the present invention, the initial state of the folding fan is: the adjusting switch 4 is abutted against the outer side of the end part of the rotating connecting rod 3, and the rotating connecting rod 3 is fixed on the support 2 in a limiting state in a manner that the toothed fixing part 33 is meshed with the limiting toothed groove 23. In this limit state, the pitch angle and the folding and storage of the fan head 1 cannot be adjusted. If the angle of the fan head 1 is to be adjusted, the adjusting switch 4 is pressed to move the limiting hole 4111 to a position aligned with the rotary connecting rod 3, and the rotary connecting rod 3 passes through the limiting hole 4111 under the thrust of the first spring 212, so that the toothed fixing portion 33 is out of the position engaged with the limiting tooth slot 23. At this time, the rotary connecting rod 3 is in an unlimited state, and the angle of the fan head 1 can be adjusted at will. When the desired pitch angle or the desired storage position is adjusted, the rotating connecting rod 3 is manually moved, so that the rotating connecting rod 3 moves in a direction away from the switch body 41 under the action of an external force, and the rotating connecting rod 3 is separated from the contact with the limiting hole 4111. At this time, the switch body 41 can move to the locking position under the action of the second spring 42, the center of the limiting hole 4111 is staggered with the center of the rotating connecting rod 3, the adjusting switch 4 abuts against the outer side of the rotating connecting rod 3, the adjusting switch 4 limits the movement of the rotating connecting rod 3, and the toothed fixing portion 33 of the rotating connecting rod 3 is effectively fixed in the limiting tooth slot 23 and cannot rotate. In this way, the pitch angle of the fan head 1 and the adjusting function of the folding accommodation are achieved.

Optionally, in an embodiment of the present invention, as shown in fig. 3 to 5, the second connection seat 221 includes a second connection seat body having an opening at one end and a closed end, and the second connection seat body opens toward the first connection seat 211. Be equipped with on the perisporium of second connecting seat body and dodge hole 2214, switch body 41 one end is passed through second spring 42 compression supports and leans on the perisporium of second connecting seat body, the other end stretches out dodge hole 2214, and the user is through pressing switch body 41 stretches out dodge hole 2214's part, the realization triggers regulating switch 4.

Optionally, in the embodiment of the present invention, as shown in fig. 3, 4 and 8, the switch body 41 includes a switch pressing column 412, a limiting portion 411 and a spring fixing column 413, which are connected in sequence.

Specifically, the medial surface of spacing portion 411 be with the spacing face of the end butt of swivelling joint pole 3, spacing portion 411 is the annular lamellar structure of cross-section. The limiting hole 4111 is formed in the limiting portion 411. Preferably, spacing hole 4111 is provided with the circular through hole at the central position of spacing portion 411, so set up, when switch body 41 moves to spacing hole 4111 with when the position of the same axle center of rotating connecting rod 3, rotating connecting rod 3 can pass spacing hole 4111.

Further, one end of the switch pressing column 412 is fixed on the limiting portion 411, and the end portion of the other side extends out of the avoiding hole 2214, so that a user can press and trigger the adjusting switch 4. The switch pressing column 412 extends out the end part on the side of the avoidance hole 2214 is fixedly provided with a pressing cap which is a cap structure with an enlarged outer diameter. With the arrangement, the contact area between the switch pressing column 412 and the hand of the user is increased, and the user can press the adjusting switch 4 conveniently.

In addition, the external diameter of pressing the cap is greater than dodge hole 2214's aperture, and the user is pressing like this during adjustment switch 4, press the cap and can play certain limiting displacement to avoid whole switch body 41 to be impressed in the second connecting seat 221 effectively, the phenomenon of unable normal use takes place.

Further, as shown in fig. 3 to 5, a spring installation groove 2213 is formed on the seat body, the spring installation groove 2213 is a groove structure formed on the circumferential wall of the seat body, one end of the second spring 42 is sleeved on the spring fixing column 413, and the other end is compressed and limited in the spring installation groove 2213. So set up, further improve the stability and the reliability of whole regulating switch 4 structure.

Optionally, the second connection seat 221 includes a cylindrical peripheral wall, and a blocking cover 2211 connected to an opening at one end of the cylindrical peripheral wall. The central axis direction of the cylindrical peripheral wall is parallel to or coincides with the central axis direction of the rotating connecting rod 3.

The switch body 41 is located between the rotating connecting rod 3 and the blocking cover 2211, the switch body 41 has a limiting surface abutting against the rotating connecting rod 3, and the distance between the limiting surface and the blocking cover 2211 is greater than the groove width of the limiting tooth groove 23. So set up, swivelling joint pole 3 is passing spacing hole 4111 back has sufficient activity space, ensures swivelling joint pole 3's displacement volume can be greater than spacing tooth's socket 23's width, makes take tooth fixed part 33 can break away from smoothly with spacing tooth's socket 23's contact, avoids swivelling joint pole 3's displacement volume undersize, takes tooth fixed part 33 can not break away from spacing tooth's socket 23 completely, leads to swivelling joint pole 3 can not pivoted phenomenon takes place.

Alternatively, in the present embodiment, the blocking cover 2211 is detachably connected to the cylindrical peripheral wall by screws. So set up, not only can guarantee the steadiness of second connecting seat 221 structure, also convenient to detach installs simultaneously regulating switch 4.

Specifically, a plurality of screw holes are formed in the circumferential direction of the blocking cover 2211 at intervals, a plurality of matching screw holes are correspondingly formed in the matching end surface of the cylindrical peripheral wall, and the blocking cover 2211 is fixed to the cylindrical peripheral wall by sequentially passing a plurality of first screws 2212 through the screw holes and the matching screw holes.

Alternatively, as shown in fig. 1 to 5 and 9, the toothed fixing portion 33 is a fixing tooth fixedly disposed on at least one side end of the rotating rod body, and a limiting tooth slot 23 for the fixing tooth to cooperate with is correspondingly disposed in the first connecting seat 211 and/or the second connecting seat 221.

In the embodiment of the present invention, the fixing teeth may be one, and fixedly disposed on either one side end of the rotating lever main body. Preferably, in the embodiment of the present invention, the fixing teeth are two and include first fixing teeth 331 and second fixing teeth 332, and the first fixing teeth 331 and the second fixing teeth 332 are fixedly disposed on both side ends of the rotating lever main body. So set up, can further improve the stability of complete machine structure.

Optionally, an avoiding sliding groove 24 is further disposed on an inner periphery of the first connecting seat 211 and/or the second connecting seat 221, and an inner diameter of the avoiding sliding groove 24 is larger than a maximum outer diameter of the toothed fixing portion 33. The limiting tooth grooves 23 and the avoiding sliding grooves 24 are arranged on the first connecting seat 211 and/or the second connecting seat 221 along the axial direction of the rotating rod main body. With this arrangement, when the adjustment switch 4 is in the unlocking position, the toothed fixing portion 33 can rotate freely in the avoiding chute 24.

Preferably, in the embodiment of the present invention, two fixing teeth are respectively and fixedly disposed on two side ends of the rotating rod main body, and correspondingly, the limiting tooth grooves 23 and the avoiding sliding grooves 24 are respectively disposed in the first connecting seat 211 and the second connecting seat 221.

Optionally, as shown in fig. 1 to 4 and 7, the rotating connecting rod 3 further includes: and a handle 34 fixedly disposed on the rotating rod main body for assisting the manual operation of the rotating connecting rod 3. Through the handle 34 that sets up, not only convenience of customers rotates swivelling joint pole 3 to when fan head 1 rotated suitable angle, also convenience of customers to keeping away from regulating switch 4's direction bulldozes swivelling joint pole 3, makes fan head 1 can stabilize at predetermined angular position fast more, thereby further improves the convenience of operation.

Preferably, the handle 34 and the fan head 1 are distributed on two sides of the rotating rod main body, so as to avoid the problem that the fan head 1 and the handle 34 are arranged on the same side of the rotating rod main body, which is inconvenient to operate.

Alternatively, as shown in fig. 1 to 4, 6 and 7, in the embodiment of the present invention, the rotating lever main body includes a first rotating lever 31 and a second rotating lever 32. One end of the first rotating rod 31 is matched with the first connecting seat 211, and the other end is connected with the second rotating rod 32. One end of the second rotating rod 32 is engaged with the second connecting seat 221, and the other end is connected with the first rotating rod 31.

Through with the rotary rod main part sets up two rod-like structures for interconnect and compares in a rod-like structure that sets up to integrated into one piece, the installation of the swivelling joint pole 3 of being convenient for more and support 2.

Specifically, since the distance between the first and second support rods 21 and 22 is fixed, if the rotating rod main body is configured as an integrally formed rod-shaped structure, the rotating rod main body is limited by the distance between the first and second support rods 21 and 22 on both sides, and is difficult to be integrally assembled into the first and second connecting seats 211 and 221. In this embodiment, the first rotating rod 31 or the second rotating rod 32 may be installed first, and then another rotating rod is installed, and after the two rotating rods are installed in the first connecting seat 211 and the second connecting seat 221, the first rotating rod 31 and the second rotating rod 32 are connected, so that the installation of the rotating connecting rod 3 is more convenient and faster.

In the embodiment of the present invention, as shown in fig. 1 to 7, the first rotating rod 31 and the second rotating rod 32 are fixedly connected by a screw. The first rotating rod 31 and the second rotating rod 32 are both hollow rod-shaped structures, and a step positioning portion is formed at the end of the second rotating rod 32, and the step positioning portion comprises a mounting surface 322 for mounting the first rotating rod 31 and a positioning surface 323 for assisting mounting and positioning. The mounting surface 322 is provided with a second screw hole 321. The tip circumference border of first rotary rod 31 turns over outwards and extends and form a connecting portion 312, the correspondence is equipped with first screw hole 311 on the connecting portion 312, passes through the screw in proper order first screw hole 311, second screw hole 321 will first rotary rod 31 and second rotary rod 32 are connected fixedly.

Alternatively, in the present embodiment, the handle 34 is fixedly disposed on the second rotating rod 32. Still be provided with on the second rotary rod 32 and be used for the installation fan head installation department 35 of fan head 1, fan head installation department 35 is the fixed grafting pipe that sets up on second rotary rod 32, fan head 1 includes the fan head body and fixes the first connecting rod 11 of fan head body one side, fan head connecting rod 11 inserts in the grafting pipe to through the fix with screw, in order to realize fan head 1 with the installation of swivelling joint pole 3 is fixed.

Preferably, in the embodiment of the present invention, the length of the second rotating lever 32 is greater than that of the first rotating lever 31, and the fan head mounting part 35 is located at the middle position of the entire rotating connecting lever 3. So set up, guarantee fan head 1 is in the central point of swivelling joint pole 3 and puts, ensures the equilibrium of whole folding fan, avoids folding fan unbalance is emptyd, and perhaps local atress is inhomogeneous, influences the life of product.

Optionally, in the embodiment of the present invention, the fan head mounting portion 35 and the handle 34 are distributed on two opposite sides of the rotating connecting rod 3, so as to facilitate a user to operate the rotating connecting rod 3.

As shown in fig. 1 to 9, the assembly process of the folding fan according to the embodiment of the present invention is as follows:

the upper end of the fan head connecting rod 11 is arranged in the fan head 1, the lower end is inserted into the fan head mounting part 35 and fixed by screws, and the fan head 1 is firmly fixed. The second rotating rod 32 is installed in a center hole of the second fixing teeth 332 in an interference fit manner, and the installed second fixing teeth 332 are installed in the limiting tooth grooves 23 of the second connecting seat 221, so that the second fixing teeth 332 are meshed with the limiting tooth grooves 23 in the second connecting seat 221 to generate a limiting effect, and the second rotating rod 32 is prevented from rotating. The second spring 42 is mounted on the spring fixing post 413 of the adjustment switch 4, and the switch body 41 and the second spring 42 are integrally mounted in the spring mounting groove 2213, so that the switch body 41 can be pushed to move to the right upper side under the self-thrust action of the second spring 42. Use and block lid 2211 and carry out spacing fixed with regulating switch 4, the rethread first screw 2212 will block lid 2211 and carry out effective fixed, prevent that regulating switch 4 from deviating from.

The first rotating rod 31 is installed in the center hole of the first fixing tooth 331 by interference fit, the first spring 212 is installed on the first rotating rod 31 by interference fit, the installed first fixing tooth 331 is installed in the limiting tooth slot 23 of the first connecting seat 211, so that the first fixing tooth 331 is engaged with the limiting tooth slot 23 in the first connecting seat 211 to generate a limiting effect, and the first rotating rod 31 is prevented from rotating. The first rotating rod 31 is further pushed toward the first spring 212, so that the first spring 212 is compressed until the end of the first rotating rod 31 and the first spring 212 are compressed into the spring positioning slot 2111 in the first connecting seat 211. At this time, the other end of the first rotating rod 31 is fixed to the stepped positioning portion of the second rotating rod 32 in a lap joint manner, and the first screw hole 311 and the second screw hole 321 are fixed by screw locking, so that the first rotating rod 31 and the second rotating rod 32 are effectively fixedly assembled.

When fan head 1 needs to be pitched or folded and stored, adjusting switch 4 is pressed downwards, limiting hole 4111 of adjusting switch 4 is aligned with second rotating rod 32, fan head 1 and rotating connecting rod 3 move rightwards under the thrust action of first spring 212, the end of second rotating rod 32 penetrates limiting hole 4111, toothed fixing portion 33 is located in avoidance sliding groove 24, and due to the fact that limit of limiting tooth groove 23 is not available, the whole machine head can be adjusted in pitched through handle 34, or can be rotated downwards to be folded and stored in the storage space. When the angle is adjusted to a required angle, the handle 34 is held to push the rotary connecting rod 3 towards the first spring 212, so that the first fixing teeth 331 are correspondingly engaged with the limiting tooth grooves 23 in the first connecting seat 211, the second fixing teeth 332 are correspondingly engaged with the limiting tooth grooves 23 in the second connecting seat 221, and the second rotary rod 32 is disengaged from the limiting hole 4111 of the adjusting switch 4, at this time, the adjusting switch 4 moves upwards under the thrust action of the second spring 42 to push the switch body 41 to move upwards, so that the limiting hole 4111 and the second rotary rod 32 are staggered in position, and the rotary connecting rod 3 cannot move left and right, thereby playing a limiting role.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the utility model.

Claims (10)

1. A folding fan, comprising:

a fan head (1);

the support (2) comprises a first support rod (21) and a second support rod (22) which are arranged at intervals, and an accommodating space capable of accommodating the fan head (1) is formed at the interval between the first support rod (21) and the second support rod (22);

the fan head (1) is fixed on the rotary connecting rod (3), a limiting tooth groove (23) is arranged at the end part of the first supporting rod (21) and/or the second supporting rod (22), and the rotary connecting rod (3) is provided with a toothed fixing part (33) matched with the limiting tooth groove (23);

the adjusting switch (4) is telescopically arranged on the second support rod (22), one end of the rotating connecting rod (3) is compressed and abutted against the first support rod (21), the other end of the rotating connecting rod abuts against the inner side of the adjusting switch (4), and a limiting hole (4111) is formed in the adjusting switch (4);

the adjusting switch (4) is provided with a locking position for limiting the rotary connecting rod (3) to move in the axial direction and an unlocking position for enabling the end part of the rotary connecting rod (3) to extend out of the limiting hole (4111);

when the adjusting switch (4) is in a locking position, the toothed fixing part (33) is meshed with the limiting tooth groove (23), and the rotating connecting rod (3) cannot rotate; when the adjusting switch (4) is located at an unlocking position, the toothed fixing part (33) is separated from the limiting tooth groove (23) in a contact mode, and the rotating connecting rod (3) can rotate freely.

2. The folding fan according to claim 1, wherein a first connecting seat (211) is provided at an upper end of the first pole (21), and a second connecting seat (221) is provided at an upper end of the second pole (22);

the rotary connecting rod (3) comprises a rotary rod main body, and two ends of the rotary rod main body are respectively connected with the first connecting seat (211) and the second connecting seat (221);

regulating switch (4) include switch body (41) that telescopically sets up in second connecting seat (221), be equipped with on switch body (41) spacing hole (4111), the moving direction of switch body (41) with the axial direction of swivelling joint pole (3) is the settlement contained angle.

3. The folding fan of claim 2, further comprising:

and a first spring (212) disposed between the first connection seat (211) and the rotation link (3) for applying an axial force to the rotation link (3) moving in a direction approaching the second connection seat (221).

4. The folding fan according to claim 2, characterized in that said regulation switch (4) further comprises:

the second spring (42) is arranged between the switch body (41) and the second connecting seat (221), and when the rotary connecting rod (3) is separated from the contact with the limiting hole (4111), the switch body (41) can move to a locking position under the action of the second spring (42).

5. The folding fan of claim 4, wherein said second connection seat (221) comprises a seat body having one end open and the other end closed;

be equipped with on the perisporium of seat body and dodge hole (2214), switch body (41) one end is passed through second spring (42) support and lean on the perisporium of seat body, the other end stretches out dodge hole (2214).

6. The folding fan according to claim 5, wherein the switch body (41) includes a switch pressing post (412), a limiting portion (411) and a spring fixing post (413) connected in sequence, and the limiting hole (4111) is opened in the limiting portion (411);

the seat body is provided with a spring installation groove (2213), one end of the second spring (42) is sleeved on the spring fixing column (413), and the other end of the second spring is compressed and limited in the spring installation groove (2213).

7. The folding fan according to claim 5, wherein the second connection base (221) includes a cylindrical peripheral wall, and a blocking cover (2211) connected to an opening at one end of the cylindrical peripheral wall;

the switch body (41) is located between the rotary connecting rod (3) and the blocking cover (2211), the switch body (41) is provided with a limiting surface abutted against the rotary connecting rod (3), and the distance between the limiting surface and the blocking cover (2211) is larger than the groove width of the limiting tooth groove (23).

8. The folding fan according to any one of claims 2 to 7, wherein said toothed fixing portion (33) is a fixing tooth fixedly provided on at least one side end of said rotating lever main body;

and limiting tooth grooves (23) matched with the fixing teeth are correspondingly arranged in the first connecting seat (211) and/or the second connecting seat (221).

9. The folding fan according to any of claims 2 to 7, wherein the inner circumference of the first connecting seat (211) and/or the second connecting seat (221) is further provided with an escape chute (24), the inner diameter of the escape chute (24) is larger than the maximum outer diameter of the toothed fixing portion (33);

spacing tooth's socket (23) and dodge spout (24) and arrange in first connecting seat (211) and/or second connecting seat (221) along the axial direction of rotary rod main part, when regulating switch (4) are in the unblock position, take tooth fixed part (33) can dodge free rotation in spout (24).

10. The folding fan according to any of the claims from 2 to 7, characterized in that said swivelling connection lever (3) further comprises:

and the handle (34) is fixedly arranged on the rotating rod main body and is used for assisting the manual operation of the rotating connecting rod (3).

Images