CN116085298A - Folding structure and fan - Google Patents

Abstract

The invention relates to a folding structure which comprises a base, a supporting rod, a clamping piece and an operating piece. The support rod is rotatably connected with the base and can rotate towards the base to a folded position along a first direction and rotate away from the base to a unfolded position along a second direction opposite to the first direction. The clamping piece is arranged at the joint of the support rod and the base and used for limiting the support rod in the first rotation direction when the support rod rotates to the unfolding position. The operation piece is connected with the clamping piece and can be used for driving the clamping piece to release limit. According to the folding structure, after the folding structure is unfolded from the unfolded position through the rotation of the support rod, the influence of gravity can be overcome under the limit of the clamping piece, and the folding structure is stably in an unfolded state. After the limit of the clamping piece is released, the supporting rod can resume rotating along the first steering, and can be folded by utilizing gravity and the like. Folding of the folding structure is achieved independently of the magnitude of the opening force exceeding a threshold value for the holding force. Thus, the folded structure is more stable for maintaining the unfolded state.

Description

Folding structure and fan

Technical Field

The invention relates to the technical field of fans, in particular to a folding structure and a fan.

Background

A fan with a folding function is available on the market, and can be folded relative to the base. When the fan is used, the fan can work normally, and when the fan is not used, the fan can be folded relative to the base, so that portability and storability of the fan are enhanced.

In the prior art, the fan is folded relative to the base through the turnover mechanism, the turnover mechanism generally adopts a rubber damping structure or a collision bead positioning structure to maintain the unfolding state, the maintenance force is designed with a threshold value, and when the magnitude of the opening and closing force exceeds the threshold value, the maintenance force can be overcome, so that the fan is folded. Obviously, such fans are not fully positioned in the deployed state, and their stability is affected by the threshold size. Even when the fan is in operation during deployment, there is a risk of folding when subjected to external forces of a magnitude that may exceed a threshold.

Disclosure of Invention

In view of the above, it is necessary to provide a folding structure and a fan that are more stable in the unfolded state.

A folding structure comprising:

a base;

the support rod is rotationally connected with the base, can rotate towards the base to a folding position along a first direction, and can rotate away from the base to a unfolding position along a second direction opposite to the first direction;

the clamping piece is arranged at the joint of the supporting rod and the base and used for limiting the supporting rod in the first rotation direction when the supporting rod rotates to the unfolding position; and

and the operating piece is connected with the clamping piece and can be used for operatively driving the clamping piece to release the limit of the support rod in the first rotation direction.

According to the folding structure, after the support rod rotates to the unfolding position to enter the unfolding state, under the limit of the clamping piece, the influence of gravity or other external force capable of enabling the support rod to rotate towards the base can be overcome, and the folding structure is stably in the unfolding state. After the limit of the clamping piece is released, the supporting rod is restored to the rotating capacity along the first rotation direction again, and can rotate to the folding position by utilizing external force including gravity, so that the folding structure is in a folding state, and folding is conveniently and rapidly realized without barriers. The folding of the folding structure is realized without depending on the magnitude of the opening force exceeding the threshold value of the maintaining force, and no threshold force exists in design. Therefore, in the normal use state, the folded structure is more stable to maintain the unfolded state.

In one embodiment, the engaging member may be movably disposed on the base along a first direction, and may be blocked on a rotation path of the support rod in the first rotation direction by the movement;

the operating member is operable to drive the engaging member to move in the first direction.

In one embodiment, a rotating slideway is configured on one side of the clamping piece in the first direction, and the end part of the supporting rod can be abutted against the rotating slideway, slide along the rotating slideway when rotating, and be separated from the clamping piece in the first direction when rotating to the unfolding position.

In one embodiment, the folding structure further includes an elastic member, where the elastic member provides a driving force to the engaging member, and is configured to drive the engaging member to move along the first direction and block the rotating path of the support rod.

In one embodiment, the elastic member is disposed at one end of the operation member in the first direction, and the other end of the operation member in the first direction is formed with a key exposed to the base.

In one embodiment, a spring column is configured at one end of the operating member, where the elastic member is arranged, and the elastic member is a spring partially sleeved on the spring column.

In one embodiment, the engaging member, the operating member, and the spring post are integrally formed, the operating member is connected with the spring post along the first direction, and the engaging member is located at one side of the operating member in the first direction.

In one embodiment, the base comprises a shell and a connecting piece arranged in the shell, and the supporting rod is rotationally connected with the base through the connecting piece;

the connecting piece is configured with a moving slideway extending along the first direction, and the clamping piece is movably connected with the connecting piece through the moving slideway.

In one embodiment, the connecting member is configured with a chute extending in the first direction, and the engaging member is configured with a slider that is engaged with and slidable along the chute.

In one embodiment, an end portion of the support rod rotationally connected with the base is configured with an abutting end face, the clamping piece is configured with a support end face, and the support end face abuts against the abutting end face when the clamping piece is blocked on a rotation path of the support rod in the first rotation direction.

In one embodiment, the support bar is inclined longitudinally relative to the bottom surface of the base when in the extended position.

A fan comprises the folding structure.

In one embodiment, the fan further comprises a fan body, and an air inlet side of the fan body is connected with the support rod in a reversible manner.

In one embodiment, the fan body and/or the base are configured with a receiving slot for receiving the support bar in a folded state.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a fan according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the fan shown in FIG. 1 in an expanded state;

FIG. 3 is an enlarged schematic view of the fan shown in FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of the fan of FIG. 1 in a folded state;

FIG. 5 is an enlarged schematic view of the fan shown in FIG. 4 at B;

FIG. 6 is a schematic view of a folding structure of the fan shown in FIG. 1;

fig. 7 is a schematic view of a part of the folded structure shown in fig. 6.

Reference numerals illustrate: 100. a folding structure; 10. a base; 11. a housing; 111. an upper case; 113. a lower case; 1131. a mounting column; 13. a connecting piece; 151. a bolt; 153. a nut; 17. a cover shell; 30. a support rod; 50. a clamping piece; 51. a slide block; 70. an operating member; 71. a key; 73. a spring post; 90. an elastic member; 200. a fan; 210. a fan body; D. a supporting end surface; z, supporting end surfaces; s, rotating the slideway; K. an opening; C. a chute; H. a shaft hole; y, moving a slideway; l and a nut groove; r, holding groove.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the term "and/or" is merely an association relation describing the association object, meaning that three relations may exist, e.g. a and/or B, may be represented: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 3, an embodiment of the present invention provides a folding structure 100, which includes a base 10, a support rod 30, a clamping member 50 and an operating member 70. The support bar 30 is rotatably connected to the base 10 and is capable of rotating in a first direction toward the base 10 to a folded position (as shown in fig. 4 and 5) and in a second direction opposite the first direction away from the base 10 to an unfolded position. The engaging member 50 is disposed at a connection portion between the support rod 30 and the base 10, and is configured to limit the support rod 30 in a first rotation direction when the support rod 30 rotates to the extended position. The operating member 70 is coupled to the engaging member 50 and is operable to drive the engaging member 50 to release the restriction of the support lever 30 in the first rotational direction.

In the present embodiment, the support rod 30 of the folding structure 100 is used for installing the fan body 210, and forms the fan 200 with the fan body 210 together. It will be appreciated that in other embodiments, the support of the folding structure 100 may be used to connect other devices to form other apparatuses having folding functions, such as connecting a light source to form a folding desk lamp, etc., which will not be described herein.

The support bar 30 is rotatably connected to the base 10 at a first end thereof in the longitudinal direction, and at a second end thereof is used for connecting to the fan body 210 and the like. It will be appreciated that the orientation of the support bar 30 relative to the base 10 refers to the orientation and orientation generally, and is embodied such that the second end is closer to and farther from the base 10, while the first end, which is rotatably coupled to the base 10, is naturally not so-called closer to and farther from.

The folding structure 100 has a unfolded state and a folded state, respectively, by the rotation of the support bar 30, which is a process of unfolding to the unfolded state, that is, a process of raising the support bar 30 with respect to the base 10 to the unfolded position, and which is a process of folding to the folded state, that is, a process of lowering the support bar 30 to the base 10 to the folded position. In practice, the folding structure 100 is placed on the table top by the base 10, and therefore, the support bar 30 will tend to be lowered toward the base 10, i.e., rotated in the first direction, by gravity. The fact that the engaging member 50 limits the supporting rod 30 in the first rotation direction means that the supporting rod 30 can not rotate continuously along the first rotation direction under the action of the engaging member 50, and can not rotate to the folded position towards the base 10. The user can release this restriction by operating the operation member 70.

The folding structure 100 can overcome the influence of gravity or other external force capable of rotating the support rod 30 towards the base 10 under the limit of the engaging member 50 after the support rod 30 rotates to the unfolded position to enter the unfolded state, and is stably in the unfolded state. After the limit of the engaging member 50 is released, the supporting rod 30 resumes the ability to rotate in the first direction again, and can rotate to the folded position by using an external force including gravity, so that the folding structure 100 is brought into a folded state, and folding is conveniently and rapidly achieved without any obstacle. In contrast to conventional approaches, folding of the folding structure 100 is accomplished without relying on the magnitude of the opening force exceeding the threshold of the holding force, i.e., without the threshold force being designed. Therefore, in the normal use state, the folded structure 100 is more stable to maintain the unfolded state, and the limiting function of the engaging member 50 only plays a role in the unfolded state, but is not blocked in the unfolding and folding process, so that the folding and unfolding process is lighter. In addition, the folding structure 100 is simple in structure and long in folding life.

Further, the engaging member 50 is movably disposed on the base 10 along a first direction (corresponding to an up-down direction in fig. 2), and can be blocked on a rotation path of the support rod 30 in the first rotation direction by the movement. The operating member 70 is operable to drive the engagement member 50 in a first direction.

When the engaging member 50 moves along the first direction to the rotation path of the support rod 30, the rotation of the support rod 30 is blocked, that is, the support rod 30 is limited in the first rotation direction. It can be appreciated that the user can drive the engaging member 50 by driving the operating member 70 connected with the engaging member 50 to move in a direction opposite to the blocking direction, so as to withdraw from the rotation path of the support rod 30, thereby eliminating the blocking and achieving the purpose of releasing the limit of the support rod 30. The direction in which the engaging member 50 moves toward the rotation path of the support rod 30 corresponds to the upward direction in fig. 2, and the direction in which the engaging member 50 withdraws from the rotation path of the support rod 30 corresponds to the downward direction in fig. 2.

Accordingly, when the support bar 30 is unfolded to the unfolded position, the engaging member 50 moves in the first direction to complete the limitation of the support bar 30, so that the support bar 30 is stably at the unfolded position, and the folding structure 100 is unfolded. When folding is required, the support bar 30 after releasing the limit can continue to rotate along the first direction to fold.

In other embodiments, the limit of the support bar 30 in the first rotational direction may be achieved in other ways, and the limit may be released, for example: the supporting rod 30 may be further provided with a ratchet wheel coaxially rotated, the engaging member 50 is a pawl engaged with the ratchet wheel, the ratchet wheel can rotate only in the second direction under the restriction of the pawl, and the pawl can be operated to be separated from the ratchet wheel to thereby release the restriction of the ratchet wheel.

Further, an end portion of the support rod 30 rotationally connected to the base 10 (i.e., a first end of the support rod 30) is configured with a supporting end surface D, and the engagement member 50 is configured with a supporting end surface Z, where the supporting end surface Z abuts against the supporting end surface D when the engagement member 50 is blocked on the rotation path of the support rod 30 in the first rotation direction.

In other words, when the engaging member 50 is blocked on the rotation path of the support rod 30 in the first rotation direction, the supporting end surface Z faces and abuts against the abutting end surface D of the support rod 30, so that the engaging member 50 provides sufficient supporting force to the support rod 30 to make it stably in the unfolded position. When the engaging member 50 withdraws from the rotation path of the support rod 30, the support end surface Z and the supporting end surface D gradually and tangentially separate.

Referring to fig. 6 and 7 together, in some embodiments, a rotating slide way S is configured on one side of the engaging member 50 in the first direction, and an end portion of the support rod 30 can abut against the rotating slide way S, slide along the rotating slide way S when rotating, and be separated from the engaging member 50 in the first direction when rotating to the deployed position.

As can be appreciated, the end that can abut the rotating slide S is the first end of the support bar 30. When the first end of the support rod 30 abuts against the rotating slide S, the first end of the support rod is blocked on the moving path of the engaging member 50 in the first direction, so that the engaging member 50 cannot be blocked on the rotating path of the support rod 30, specifically, the engaging member 50 cannot be blocked on the rotating path of the first end of the support rod 30. At this time, the engaging member 50 cannot limit the supporting rod 30, and the first end of the supporting rod 30 can slide along the rotating slide way S when rotating, and the rotating slide way S is arc-shaped corresponding to the end rotation of the supporting rod 30. When rotated to the extended position, the first end of the support rod 30 is separated from the rotating slide S, and is separated from the engaging member 50 in the first direction, that is, the blocking of the engaging member 50 in the first direction is lost, and the engaging member 50 can block the support rod 30 on its rotating path by moving, and can also withdraw from the rotating path of the support rod 30 by starting, so that the first end of the support rod 30 can slide into the rotating slide S again by rotating.

It should be understood that the disengagement of the first end of the support rod 30 from the engaging member 50 in the first direction does not mean that the support rod 30 and the engaging member 50 completely lose the abutting relationship, but only means that the first end of the support rod 30 is offset from the engaging member 50 in the first direction, so that the blocking of the engaging member 50 in the first direction is lost, and other abutting relationship may exist between the support rod 30 and the engaging member 50 in the direction intersecting the first direction, for example, when the engaging member 50 blocks the rotating path of the support rod 30 in the first direction, the support end face Z abuts against the abutting end face D.

Therefore, when the support rod 30 is not in the unfolded position, the engaging member 50 cannot limit the support rod 30 by moving, so that on one hand, the rotation capability of the support rod 30 in the unfolding or folding process can be ensured, and on the other hand, the support rod 30 can be accurately limited in the unfolded position.

In some embodiments, the folding structure 100 further includes an elastic member 90, where the elastic member 90 provides a driving force to the engaging member 50 for driving the engaging member 50 to move along the first direction and block the rotating path of the support rod 30.

In other words, the elastic force of the elastic member 90 may directly or indirectly generate a driving force on the engaging member 50, and the driving force ultimately acting on the engaging member 50 has a component force in at least a first direction, and the component force points in a direction consistent with a direction in which the engaging member 50 moves onto the rotating path of the support rod 30.

It will be appreciated that the movement of the engaging member 50 driven by the elastic member 90 along the first direction and blocked on the rotating path of the supporting rod 30 may not actually occur due to being blocked, for example, in actual use, a user overcomes the elastic force of the elastic member 90 or the first end of the supporting rod 30 is located in the slideway to block the movement of the engaging member 50 by the operating member 70, and at this time, the driving of the engaging member 50 by the elastic member 90 only shows a trend, and the blocking is not realized.

The engaging member 50 can maintain a state of restraining the support bar 30 in the unfolded state by the driving force provided by the elastic member 90. When the limit is to be released, the user only needs to apply force through the operation member 70 to overcome the driving force of the elastic member 90, so as to drive the engaging member 50 to withdraw from the rotation path of the support rod 30.

In addition, when the support rod 30 rotates to the unfolding position during unfolding, the first end of the support rod is separated from the rotating slideway S, and the clamping piece 50 can automatically move to be blocked on the rotating path of the support rod 30 under the action of the elastic piece 90, so that limit is generated. Accordingly, when folding is performed, the engaging member 50 is withdrawn from the rotational path of the support rod 30 by the operating member 70 against the driving force of the elastic member 90. At this time, the blocking of the engaging member 50 is lost, and the supporting bar 30 can automatically slide into the rotating slideway S again by rotation under the action of gravity or external force applied by a user, thereby restoring the rotation capability.

Further, the elastic member 90 is disposed at one end of the operation member 70 in the first direction, and the other end of the operation member 70 in the first direction is formed with the key 71 exposed to the base 10.

The button 71 and the spring are respectively located at two ends of the operating member 70 in the first direction, and the user can directly drive the operating member 70 to overcome the elastic force of the spring by pressing, so as to drive the engaging member 50 to move along the first direction. The key 71 being exposed to the base 10 means that the key 71 is exposed to the outside of the base 10 so as to satisfy the pressing operation of the user from the outside of the base 10.

Preferably, the key 71 protrudes from the surface of the base 10 when the folding structure 100 is in the unfolded state, so that a pressing operation is performed.

In other embodiments, other operating members may be formed, and the operating member 70 may be operated in other manners, so long as the operating member 70 is capable of facilitating driving the engaging member 50 to move in the first direction, which is not specifically limited herein.

Further, the end of the operating member 70 provided with the elastic member 90 is configured with a spring post 73, and the elastic member 90 is a spring partially sleeved on the spring post 73.

The spring post 73 can stably position the spring, and in addition, a mounting post 1131 for accommodating the spring can be configured on the base 10, one end of the spring abuts against the operation member 70, and the other end abuts against the inside of the mounting post 1131.

Further, the engaging member 50, the operating member 70 and the spring post 73 are integrally formed, the operating member 70 is connected to the spring post 73 along the first direction, and the engaging member 50 is located at one side of the operating member 70 along the first direction.

The engaging member 50, the operating member 70 and the spring post 73 are integrally formed as one assembly part, which helps to reduce the number of parts and facilitate assembly. Meanwhile, the operation member 70 can also better drive the locking member 50 to move.

In some embodiments, the base 10 includes a housing 11 and a connecting member 13 disposed in the housing 11, and the support rod 30 is rotatably connected to the base 10 through the connecting member 13. The connecting member 13 is configured with a moving slide Y extending in the first direction, and the engaging member 50 is movably connected to the connecting member 13 through the moving slide Y.

The engaging member 50 is disposed at the connection portion between the support rod 30 and the base 10 through the connecting member 13, and can slide along the moving slideway Y of the connecting member 13 to realize movement along the first direction. The operating element 70 is constructed in one piece with the engaging element 50 and is likewise movably connected to the connecting element 13 by means of a movement slide Y.

The housing 11 is specifically assembled with an upper shell 111 and a bottom shell, and it is understood that the upper shell 111 is provided with an opening K for the support rod 30 to be connected with the connecting piece 13 through the opening K, and the key 71 of the operating piece 70 also extends out of the base 10 from the opening K. The housing 11 is also used for mounting a motherboard, wiring, etc. The connecting piece 13 may be a sheet metal bracket and is connected to the upper case 111 by means of a buckle. A mounting post 1131 for receiving a spring is constructed on the bottom case.

Further, the connecting member 13 is configured with a chute C extending in the first direction, and the engaging member 50 is configured with a slider 51, and the slider 51 is engaged with the chute C and is slidable along the chute C. The connecting piece 13 is provided with a sliding groove C on both sides of the moving slide Y, and the engaging piece 50 is correspondingly provided with a sliding block 51 on both sides. Under the cooperation of the sliding groove C and the sliding block 51, the movement of the engaging member 50 in the first direction can be more accurate and stable.

Preferably, one end of the chute C penetrates the connecting member 13 in the first direction so that the engaging member 50 and the operating member 70 are fitted into the moving chute Y.

Specifically, the base 10 further includes a rotating shaft (the bolt 151 is a rotating shaft), and the supporting rod 30, the connecting piece 13, and the upper shell 111 are respectively provided with a shaft hole H, and are in rotational connection with the shaft hole H through the matching of the rotating shaft. The rotation shaft is a bolt 151 having a thread at least at an end portion thereof, and is fixed in the shaft hole H by a nut 153 after passing through the shaft hole H, and the upper case 111 is configured with a nut groove L on a peripheral side of the shaft hole H.

Further, a cover 17 may be further provided on the surface of the connection portion between the base 10 and the support bar 30, that is, the cover 17 is provided at the opening K of the upper case 111 to enhance the sealing performance and surface integrity of the connection portion between the base 10 and the support bar 30. The cover 17 may be connected to the support bar 30 by means of a snap-fit.

In some embodiments, the support bar 30 is inclined lengthwise relative to the bottom surface of the base 10 when in the extended position.

The base 10 is placed through the bottom surface, and when placed on a horizontal table top, the bottom surface of the base 10 is a horizontal surface, and an included angle between the lengthwise direction of the support rod 30 and the bottom surface of the base 10 is an acute angle. It will be appreciated that in practice, the inclined support bar 30 helps to position the projection of the second end thereof in the direction of gravity on the base 10 when unfolded, so as to enhance the stability of the folded structure 100 when placed, and also facilitate folding by gravity after releasing the limit.

In the above folding structure 100, when assembling, the connecting piece 13 and the upper shell 111 may be primarily matched by a snap-fit manner, and the shaft holes H on the supporting rod 30, the connecting piece 13 and the upper shell 111 are aligned, so that the bolts 151 pass through the shaft holes H of the three, and are assembled to the nut groove L by the nuts 153 to fix the bolts 151. Then, the integrally provided engaging member 50 and the operating member 70 are fitted into the movement slide Y of the link 13, and the spring is fitted over the spring post 73 of the operating member 70. Finally, the mounting posts 1131 on the bottom shell are aligned with the springs, the bottom shell is assembled with the upper shell 111 into a whole by screwing or the like, and the cover shell 17 is covered at the opening K of the upper shell 111.

When using the folding structure 100, the user only needs to drive the support bar 30 to rotate along the second direction of rotation for the folded folding structure 100. In this process, the first end of the supporting rod 30 slides along the rotating slide way S of the engaging member 50, and is separated from the rotating slide way S when the supporting rod 30 rotates to the extended position, and the engaging member 50 and the operating member 70 move upward under the action of the spring and are blocked on the rotating path of the first end of the supporting rod 30 in the first rotating direction. At this time, the supporting end surface Z of the engaging member 50 is supported by the abutting end surface D of the supporting rod 30, so that the supporting rod 30 has a limit effect, and the supporting rod 30 cannot rotate in the first direction and is stably at the extended position. For the unfolded folding structure 100, the user only needs to press the key 71 to drive the engaging member 50 and the operating member 70 to move downward, and the supporting end surface Z of the engaging member 50 is gradually separated from the abutting end surface D of the supporting rod 30 in a staggered manner. At this time, the first end of the support bar 30 can enter the rotating slide S again and rotate to the folded position along the first direction under the driving of the external force, thereby completing the folding.

The invention also provides a fan 200 comprising the folding structure 100. The fan 200 can be stably unfolded to perform a work by means of the folding mechanism, and folding is conveniently performed.

Further, the fan 200 further includes a fan body 210, and the air inlet side of the fan body 210 is connected with the support rod 30 in a reversible manner.

The air inlet side of the fan body 210 is connected with the support rod 30 so as to prevent the support rod 30 from shielding the air outlet. The fan body 210 can be turned over with respect to the support bar 30, and thus can be turned over to a proper blowing angle during or after the deployment.

In one embodiment, after the fan 200 is folded, the support rod 30 is located between the fan body 210 and the base 10, and the air outlet side of the fan body 210 faces away from the base 10.

Still further, the fan body 210 and/or the base 10 are configured with a receiving groove R for receiving the support bar 30 in the folded position.

The supporting rod 30 between the fan body 210 and the base 10 is accommodated through the accommodating groove R, so as to avoid an excessive gap between the supporting rod and the supporting rod, and improve the fit of the fan body 210 and the base 10 when folding, so that the fan 200 can be fully folded.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (14)

1. A folding structure, characterized in that the folding structure comprises:

a base (10);

a support bar (30) rotatably connected to the base (10) and capable of rotating in a first direction towards the base (10) to a folded position and in a second direction opposite to the first direction away from the base (10) to an unfolded position;

the clamping piece (50) is arranged at the joint of the supporting rod (30) and the base (10) and is used for limiting the supporting rod (30) in the first rotation direction when the supporting rod (30) rotates to the unfolding position; and

and an operating member (70) connected to the engaging member (50) and operable to drive the engaging member (50) to release the restriction of the support lever (30) in the first rotational direction.

2. The folding structure according to claim 1, characterized in that the engagement member (50) is movably arranged on the base (10) in a first direction and is movable blocked on a rotational path of the support bar (30) in the first direction;

the operating member (70) is operable to drive the engaging member (50) to move in the first direction.

3. The folding structure according to claim 2, characterized in that the engaging member (50) is configured with a rotating slide (S) on one side in the first direction, and the end portion of the support rod (30) is capable of abutting against the rotating slide (S), sliding along the rotating slide (S) when rotated, and disengaging from the engaging member (50) in the first direction when rotated to the unfolded position.

4. A folding structure according to claim 2 or 3, further comprising an elastic member (90), the elastic member (90) providing a driving force to the engaging member (50) for driving the engaging member (50) to move in the first direction and to be blocked in the rotational path of the support bar (30).

5. The folding structure according to claim 4, wherein the elastic member (90) is provided at one end of the operation member (70) in the first direction, and the other end of the operation member (70) in the first direction is formed with a key (71) exposed to the base (10).

6. The folding structure according to claim 5, characterized in that the end of the operating member (70) provided with the elastic member (90) is configured with a spring post (73), and the elastic member (90) is a spring partially sleeved on the spring post (73).

7. The folding structure according to claim 6, characterized in that the engaging member (50), the operating member (70) and the spring post (73) are integrally formed, the operating member (70) and the spring post (73) are connected in the first direction, and the engaging member (50) is located at one side of the operating member (70) in the first direction.

8. The folding structure according to claim 2, characterized in that the base (10) comprises a housing (11) and a connecting piece (13) arranged in the housing (11), the support bar (30) being rotatably connected with the base (10) through the connecting piece (13);

the connecting piece (13) is configured with a moving slide (Y) extending along the first direction, and the clamping piece (50) is movably connected with the connecting piece (13) through the moving slide (Y).

9. The folding structure according to claim 8, characterized in that said connecting element (13) is configured with a runner (C) extending in said first direction, said engagement element (50) being configured with a slider (51), said slider (51) being engaged with said runner (C) and being slidable along said runner (C).

10. The folding structure according to claim 2, characterized in that an end portion of the support rod (30) rotationally connected to the base (10) is configured with a holding end face (D), the engagement member (50) is configured with a support end face (Z), and the engagement member (50) is blocked by the support end face (Z) against the holding end face (D) when the support rod (30) is in the rotational path in the first rotational direction.

11. A folding structure according to claim 1, characterized in that the support bar (30) is inclined with respect to the bottom surface of the base (10) in its longitudinal direction when in the unfolded position.

12. A fan comprising the folded structure of any one of claims 1-11.

13. The fan of claim 12, further comprising a fan body (210), an air intake side of the fan body (210) being reversibly coupled to the support bar (30).

14. The fan according to claim 13, characterized in that the fan body (210) and/or the base (10) are configured with a receiving groove (R) for receiving the support bar (30) in the folded position.

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