CN215445838U - Locking device and support with same - Google Patents

Abstract

The utility model belongs to the technical field of bracket manufacturing, and relates to a locking device and a bracket with the same, wherein the locking device comprises a rod piece, support legs, reinforcing ribs, a buckle structure and an unlocking structure, wherein the support legs are positioned at the periphery of the rod piece and can be opened or closed relative to the rod piece; one end of the reinforcing rib is hinged to the rod piece, and the other end of the reinforcing rib is hinged to the inner side wall of the support leg and can be opened or closed together with the support leg; the buckle structure is located between the inner side walls of the rod piece and the support legs, and the unlocking structure is arranged at one end, close to the supporting platform, of the rod piece. According to the utility model, by adding the buckle structure, when the support legs are in a furled state, the support legs are locked on the periphery of the rod piece so as to prevent the support legs from opening; and through newly-increased unblock structure, when the stabilizer blade need open after drawing in, can remove the lock solid state of stabilizer blade to make the stabilizer blade easily open normal use after the lock solid, in a word, maneuverability is strong, does benefit to and guarantees that the stabilizer blade can not open easily for the member draws in the back, and the user of being convenient for accomodates, carries, and user experience feels strong.

Description

Locking device and support with same

Technical Field

The utility model relates to the technical field of bracket manufacturing, in particular to a locking device and a bracket with the same.

Background

When the photographing stand supports the photographing apparatus, at least three support legs are required to be outwardly opened to simultaneously support the photographing apparatus in order to ensure smooth support. In order to further ensure stable support, each supporting leg can be correspondingly provided with a reinforcing rod so as to ensure that the supporting legs can not be easily folded inwards due to the influence of other factors in the use process. In addition, in order to facilitate daily carrying, when not in use, each supporting leg needs to be folded inwards.

However, in the prior art, although each supporting leg can be folded or unfolded, it can be ensured that the supporting leg is not easily folded after being unfolded, but is easily unfolded after being folded, that is, the conventional photographing bracket cannot be locked or is not easily locked after being folded, so that the conventional photographing bracket is not beneficial to daily storage and carrying of people.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to solve the technical problem that the existing photographic support is easy to open after being folded.

In order to solve the above technical problem, an embodiment of the present invention provides a locking device, which adopts the following technical solutions:

the locking device includes:

a rod member;

the support legs are positioned on the periphery of the rod piece and can be unfolded or folded relative to the rod piece;

one end of the reinforcing rib is hinged to the rod piece, and the other end of the reinforcing rib is hinged to the inner side wall of the support leg and can be opened or closed together with the support leg;

the buckling structure is positioned between the rod piece and the inner side wall of the support leg; when the support legs are in a folded state, the buckling structures are used for locking the support legs on the periphery of the rod piece so as to prevent the support legs from unfolding;

and the unlocking structure is arranged at one end of the rod piece close to the supporting platform and used for releasing the locking state of the supporting legs.

Further, in a preferable scheme of some embodiments, the fastening structure includes a fastening component and a fastener, the fastening component includes a fastening member, the fastening member is movably disposed on the inner side wall of the supporting leg along the length direction of the supporting leg, and the fastener is convexly disposed on the reinforcing rib; when the support legs are in the furled state, the clamping piece is buckled with the fastener; the unlocking structure comprises a pressing piece, the pressing piece is movably arranged along the length direction of the rod piece, and the pressing piece is used for pressing against the clamping piece to enable the clamping piece to move along the length direction of the supporting leg so as to be unlocked from the fastening piece.

Further, in a preferable scheme of some embodiments, the clamping piece comprises a clamping part and a connecting part which are connected; when the support legs are in the furled state, the clamping part is positioned on one side of the fastener, which is close to the rod piece, and is buckled with the fastener, and the pressing part is positioned on one side of the fastener, which is close to the rod piece, and is opposite to the clamping part.

Further, in a preferable mode of some embodiments, a contact surface of the pressing member and the clamping portion is an arc surface.

Further, in a preferable mode of some embodiments, an end of the catching portion facing the pressing member is provided with a guide slope.

Further, in a preferable scheme of some embodiments, the clamping assembly further includes a clamping seat and a first elastic piece, the clamping seat is disposed on an inner side wall of the supporting leg, and an accommodating cavity is formed inside the clamping seat; the first elastic piece is arranged in the accommodating cavity along the length direction of the supporting leg; on the moving path of the first elastic piece, the connecting part of the clamping piece is located in the accommodating cavity, and the clamping part extends out of the accommodating cavity and is located outside the clamping seat.

Further, in a preferable scheme of some embodiments, the clamping assembly further includes a cover body, the cover body covers the clamping seat, and the cover body is provided with a limiting channel communicated with the accommodating cavity; the limiting channel is matched with the first elastic piece and accommodates the first elastic piece.

Further, in a preferable scheme of some embodiments, the unlocking structure further includes an end cover, a second elastic member and a movable cover, the end cover is disposed at one end of the rod member close to the support platform; the second elastic piece is arranged on the end cover at one side close to the movable cover; the movable cover is sleeved on the end cover and can move along the length direction of the rod piece under the action of the elastic piece; the flange of the movable cover is convexly provided with the pressing piece along the length direction of the rod piece, and is provided with a first avoidance hole for the reinforcing rib to pass through.

Further, in a preferable scheme of some embodiments, the number of the supporting feet is at least three, and each supporting foot is uniformly arranged around the rod piece; the buckling structure is arranged between at least one support leg and the corresponding reinforcing rib.

In order to solve the above technical problem, an embodiment of the present invention further provides a bracket, which adopts the following technical scheme: the bracket comprises the locking device.

Compared with the prior art, the locking device and the bracket with the same provided by the embodiment of the utility model have the following main beneficial effects:

this locking device is through newly-increased buckle structure between the inside wall of member and stabilizer blade, make the stabilizer blade can the lock solid in the periphery of member after drawing in, and through newly-increased unlocking structure, can remove the buckle relation of connecting of the open stabilizer blade of back needs of drawing in, with this guarantee that the stabilizer blade can easily open normal use after the lock solid, generally, this locking device is strong with the maneuverability of the support that adopts this locking device, do benefit to and guarantee that the stabilizer blade can not open easily for the member after drawing in, and need open when using after the lock solid, can easily the unblock open, convenient to user accomodates, carry, user experience feels strong.

Drawings

In order to illustrate the solution of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the utility model, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort. Wherein:

FIG. 1 is a perspective view of a stent having a locking mechanism according to an embodiment of the present invention, wherein the legs are shown in an open position;

FIG. 2 is a perspective view of the locking device of FIG. 1 assembled between a locking configuration and an unlocking configuration, wherein the legs are shown in a collapsed condition;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an exploded perspective view of the clip assembly disposed on the leg of FIG. 1;

FIG. 5 is an exploded perspective view of the unlocked configuration of FIG. 1, wherein the legs are shown in an open position;

fig. 6 is an internal structural view of the unlocking structure in fig. 5.

The reference numbers in the drawings are as follows:

1000. a support; 100. a locking device; 200. a hinged seat; 300. a clamping device;

1. a rod member; 2. a support leg; 3. reinforcing ribs;

4. a buckle structure; 41. a clamping component 411 and a clamping piece; 4111. a clamping part; 41111. a guide slope; 4112. a connecting portion; 412. a card holder; 4121. an accommodating chamber; 413. a first elastic member; 414. a cover body; 4141. a limiting channel; 42. a fastener;

5. an unlocking structure; 51. a pressing member; 511. a cambered surface; 52. an end cap; 521. a second avoidance hole; 522. a convex column; 523. a guide post; 524. a limiting groove; 53. a second elastic member; 54. a movable cover; 541. a flange; 542. a first avoidance hole; 543. a guide groove; 55. a cushion pad; 56. a connecting member; 57. and (7) mounting a seat.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the present invention provides a locking device 100, wherein the locking device 100 can be used on a camera support 1000, and can also be used in other suitable products, and is mainly used for locking each support leg 2 on the periphery of a rod after each support leg 2 is folded.

In the present embodiment, as shown in fig. 1 and 2, the locking device 100 includes a rod member 1, legs 2 and reinforcing ribs 3, wherein the legs 2 are located at the periphery of the rod member 1, and the legs 2 can be opened or closed with respect to the rod member 1. It should be noted that, in the present invention, any structure that can open or close the support legs 2 with respect to the rod member 1 can be applied. As shown in fig. 1, one end of the reinforcing rib 3 is hinged to the rod member 1, and the other end is hinged to the inner side wall of the leg 2, so that the reinforcing rib 3 can be opened or closed together with the leg 2, thereby improving the support stability of the leg 2 through the reinforcing rib 3.

In order to ensure that the support legs 2 are not easily opened when the support legs 2 are in the folded state, the locking device 100 further comprises a snap structure 4, wherein the snap structure 4 is located between the rod 1 and the inner side wall of the support legs 2. It can be understood that, by the fastening structure 4, the stand bar 2 in the folded state can be locked (specifically, can be fastened and connected) on the periphery of the rod 1, specifically, for example, the stand bar 2 in the folded state is fastened and connected on the rod 1 or the reinforcing rib 3 or other parts, so as to lock the stand bar 2, prevent the stand bar 2 from being easily opened, and facilitate the storage and the portability of the user.

Correspondingly, in order to facilitate the support leg 2 to be easily opened when it needs to be opened for use after being folded, the locking device 100 further includes an unlocking structure 5, wherein the unlocking structure 5 is disposed at one end of the rod member 1 close to the supporting platform, that is, the unlocking structure 5 is disposed at the bottom end of the rod member 1. In the present invention, the unlocking structure 5 is mainly used for releasing the locked state of the leg 2. It will be appreciated that by means of this unlocking structure 5, the snap-connection relationship of the legs 2 snap-connected to the periphery of the bar 1 can be unlocked, so that the legs 2 can be spread apart relative to the bar 1.

In summary, compared with the prior art, the locking device 100 has at least the following advantages: this locking device 100 is through newly-increased buckle structure 4 between the inside wall of member 1 and stabilizer blade 2, make stabilizer blade 2 can lock solid in the periphery of member 1 after drawing in, and through newly-increased unlocking structure 5, need open after drawing in at stabilizer blade 2, can remove the buckle relation of connection of stabilizer blade 2, guarantee that stabilizer blade 2 can easily open normal use after the lock solid with this, generally, this locking device 100's maneuverability is strong, do benefit to and guarantee that stabilizer blade 2 can not open easily after drawing in for member 1, and need open the use after the lock solid, can easily unblock and open, convenient to user accomodate, carry, user experience feels strong.

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 6.

Further, as a specific implementation manner in some embodiments of the present invention, as shown in fig. 1 to fig. 3, the fastening structure 4 includes a clamping component 41 and a fastener 42, the clamping component 41 includes a clamping member 411, wherein the clamping member 411 is movably disposed on an inner side wall of the leg 2 along a length direction of the leg 2, and the fastener 42 is protrudingly disposed on the reinforcing rib 3; when the supporting legs 2 are in the folded state, the fastening member 411 is fastened to the fastening member 42.

In the present embodiment, when the leg 2 is folded with respect to the rod 1, the longitudinal direction of the leg 2 and the longitudinal direction of the rib 3 are aligned with the longitudinal direction of the rod 1.

It can be understood that, as shown in fig. 3, when the legs 2 are folded to the periphery of the rod 1, the clamping members 411 and the fasteners 42 are fastened, specifically, on the path of the legs 2 being unfolded, the fasteners 42 disposed on the reinforcing ribs 3 are located at the periphery of the clamping members 411, so that the clamping members 411 are limited by the fasteners 42 to move away from the rod 1, thereby preventing the legs 2 from being unfolded, and thus realizing the locking of the legs 2 in the folded state.

As shown in fig. 1 and fig. 3, the unlocking structure 5 includes a pressing member 51, wherein the pressing member 51 is movably disposed along the length direction of the rod member 1. In the embodiment, the pressing member 51 is mainly used for pressing against the engaging member 411, so that the engaging member 411 moves along the length direction of the supporting leg 2 to disengage from the fastening member 42. Understandably, because of joint spare 411 can move along the length direction of stabilizer blade 2, so, when needing stabilizer blade 2 to open the use, can directly press unblock structure 5, make the length direction removal of the last piece 51 of holding down of unblock structure 5 along member 1 in order to support joint spare 411, and make joint spare 411 move along the length direction of stabilizer blade 2 toward the direction of keeping away from fastener 42, thereby break away from with fastener 42, and then remove the buckle connection between the fastener 42 on stabilizer blade 2 and the strengthening rib 3.

Further, as a specific implementation manner in some embodiments of the present invention, as shown in fig. 3, the clip member 411 of the clip structure 4 includes a clip portion 4111 and a connecting portion 4112 connected to each other. When the legs 2 are in the folded state, the locking portion 4111 is located on one side of the fastener 42 close to the rod 1, and the locking portion 4111 is fastened to the fastener 42, that is, on the opening path of the legs 2, the fastener 42 limits the radial movement of the locking portion 4111. Correspondingly, the pressing element 51 is located on one side of the fastener 42 close to the rod element 1, and the pressing element 51 is disposed opposite to the clipping portion 4111. Specifically, when the legs 2 are in the folded state, the clipping portions 4111 and the pressing member 51 are both located between the fastening member 42 and the outer peripheral wall of the rod member 1, and in the radial direction of the rod member 1, the clipping portions 4111 and the fastening member 42 are staggered, so as to realize the fastening between the two. Thus, the pressing member 51 moves along the length direction of the rod 1, so as to push the blocking portion 4111 to move along the length direction of the leg 2, and separate the blocking portion 4111 from the fastener 42 in the length direction of the rod 1, thereby getting rid of the radial limitation of the fastener 42.

Preferably, as shown in fig. 3, when the pressing member 51 abuts against the clipping portion 4111 of the clipping member 411, in order to reduce wear between the pressing member 51 and the clipping portion 4111, a contact surface between the pressing member 51 and the clipping portion 4111 is an arc surface 511, so as to improve the overall service life and ensure that the legs 2 are easily opened after being folded.

Preferably, as shown in fig. 3 and 4, in order to make the fastening between the clip 411 and the fastener 42 smoother, when the leg 2 is in the folded state, one end of the clip portion 4111 of the clip 411 facing the pressing member 51 is provided with a guiding inclined surface 41111. Specifically, the guiding inclined surface 41111 is a surface inclined from the fastening member 42 to the latching portion 4111, so that the latching portion 4111 of the latching member 411 can be quickly moved from the side of the fastening member 42 away from the rod member 1 to a position between the outer peripheral wall of the rod member 1 and the fastening member 42 to fasten with the fastening member 42 under the guidance of the guiding inclined surface 41111.

Further, as a specific implementation manner in some embodiments of the present invention, as shown in fig. 1, fig. 3 and fig. 4, in order to movably mount the clamping member 411 on the supporting leg 2, the clamping assembly 41 further includes a clamping seat 412 and a first elastic member 413, wherein the clamping seat 412 is disposed on an inner side wall of the supporting leg 2, and an accommodating cavity 4121 is formed inside the clamping seat 412; the first elastic element 413 is arranged in the accommodating cavity 4121 along the length direction of the support leg 2; on the moving path of the first elastic member 413, the connecting portion 4112 of the clamping member 411 is located in the accommodating cavity 4121, and the clamping portion 4111 extends out of the accommodating cavity 4121 and is located outside the clamping seat 412.

It can be understood that the clamping member 411 can move along the length direction of the leg 2 under the action of the first elastic member 413. Specifically, when the supporting leg 2 is folded, the fastening member 411 is in staggered abutting connection with the fastening member 42 on the side of the fastening member 42 far away from the rod member 1, under the action of an external force, the fastening member 411 moves along the length direction of the supporting leg 2 to the side far away from the unlocking structure 5 to avoid abutting connection with the fastening member 42, when the fastening member 411 moves to the side of the fastening member 42 near the fastening member 411, under the action of the resilience force of the first elastic member 413, the fastening member 411 moves along the length direction of the supporting leg 2 to extend into a gap formed by the fastening member 42 and the outer peripheral wall of the rod member 1, so that the fastening is realized with the fastening member 42 on the side of the fastening member 42 near the rod member 1. On the contrary, under the supporting of the supporting member 51, the engaging member 411 moves out of the gap formed by the fastening member 42 and the outer peripheral wall of the rod member 1, so as to disengage the position limitation of the fastening member 42, and release the fastening between the supporting leg 2 and the reinforcing rib 3.

It should be noted that, in the present embodiment, in order to ensure smooth movement of the clamping member 411, one end of the first elastic member 413 is generally connected to the clamping member 411.

Further, as a specific implementation manner in some embodiments of the present invention, as shown in fig. 1 and fig. 4, the clamping assembly 41 further includes a cover 414, the cover 414 covers the clamping seat 412, and in order to further ensure smooth movement of the clamping member 411 and improve reliability of the locking device 100, the cover 414 is provided with a limiting channel 4141 communicated with the accommodating cavity 4121, wherein the limiting channel 4141 is adapted to the first elastic member 413, and the limiting channel 4141 accommodates the first elastic member 413. It will be appreciated that the spacing channel 4141 is open along the length of the leg 2. As shown in fig. 1, fig. 3 and fig. 4, in the embodiment, the connecting portion 4112 of the clip 411 is located in the accommodating cavity 4121, and one end of the first elastic member 413 is connected to the clip portion 4111 of the clip 411.

Further, as a specific implementation manner in some embodiments of the present invention, as shown in fig. 1, fig. 3, fig. 5 and fig. 6, in order to movably dispose the unlocking structure 5 on the rod member 1 and achieve the unlocking function of the unlocking structure 5, the unlocking structure 5 further includes an end cover 52, a second elastic member 53 and a movable cover 54, wherein the end cover 52 is disposed at one end of the rod member 1 close to the supporting platform (specifically, may be a bottom end of the rod member 1), and the movable cover 54 is sleeved on the end cover 52. Specifically, in this embodiment, as shown in fig. 5 and fig. 6, the unlocking structure 5 further includes an installation seat 57 (not shown in fig. 5) and a connection member 56, wherein the installation seat 57 is inserted in the rod member 1, the end cover 52 is convexly provided with a convex pillar 522, the convex pillar 522 is provided with a first connection hole (not shown in the figure), the installation seat 57 is provided with a second connection hole (not shown in the figure), and the movable cover 54 is also sleeved in the convex pillar 522, so that the convex pillar 522 is inserted in the first connection hole and the second connection hole in sequence, and not only the end cover 52 can be fixedly connected to the installation seat 57, but also the movable cover 54 can be movably sleeved on the end cover 52.

As shown in fig. 6, the second elastic member 53 is disposed on the end cap 52 at a side close to the movable cap 54. Specifically, in the present embodiment, on a side close to the movable cover 54, the end cover 52 forms a limiting groove 524 on the periphery of the protruding pillar 522, wherein the second elastic element 53 is located in the limiting groove 524 and sleeved on the protruding pillar 522. It should be noted that the movable cover 54 can move along the length direction of the rod member 1 under the action of the elastic member. It can be understood that, when the movable cover 54 is manually pressed, the movable cover 54 can approach the latch 411 along the length direction of the rod member 1 to gradually abut against the latch 411 and release the fastening relationship between the latch 411 and the fastener 42, and after the release, the movable cover 54 can gradually return to the original position under the resilience of the second elastic member 53.

Specifically, in the present embodiment, as shown in fig. 6, in order to ensure that the movable cover 54 can move linearly and improve the overall reliability, the movable cover 54 is provided with a guide groove 543 at a side close to the end cover 52, and correspondingly, the end cover 52 is provided with a guide post 523 at a side close to the movable cover 54, wherein the guide post 523 is inserted into the guide groove 543. It should be noted that, in the embodiment of the present invention, both the first elastic member 413 and the second elastic member 53 may be springs, but other suitable elastic structures may also be adopted.

Specifically, in the present embodiment, as shown in fig. 1 and fig. 5, the movable cover 54 includes a flange 541, wherein the flange 541 of the movable cover 54 is convexly provided with the pressing member 51 along the length direction of the rod member 1, and the flange 541 is provided with a first avoiding hole 542 for the reinforcing rib 3 to pass through. It should be noted that, correspondingly, in order to enable the reinforcing rib 3 to be smoothly opened or closed together with the leg 2, the end cover 52 is provided with a second avoiding hole 521, wherein the first avoiding hole 542 corresponds to the second avoiding hole 521, so that an installation station (not shown) of the reinforcing rib 3 can be formed on the unlocking structure 5, and further, the structural stability of the reinforcing rib 3 is ensured.

In addition, as shown in fig. 5 and 6, the unlocking structure 5 further includes a buffer 55, wherein the buffer 55 is disposed on a side of the movable cover 54 close to the support platform, so that the rod member 1 can directly contact the support platform through the buffer 55. In the present embodiment, the cushion 55 is made of a sheet of plastic material.

Further, as a specific embodiment in some embodiments of the present invention, as shown in fig. 1, fig. and fig. 2, in order to ensure the support stability, the support legs 2 are generally provided with at least three, and each support leg 2 is uniformly provided around the rod member 1, that is, a tripod, a tetrapod, etc. may be formed. Wherein, a buckle structure 4 is arranged between at least one support leg 2 and the corresponding reinforcing rib 3. It can be understood that, in the case that all the legs 2 can be opened or closed at the same time, the locking of all the legs 2 can be realized only by providing the snap structure 4 on one of the legs 2 and the corresponding reinforcing rib 3.

In this embodiment, the supporting legs 2 are three, wherein the inner side walls of the three supporting legs 2 are provided with clamping assemblies 41, and the reinforcing ribs 3 corresponding to the three supporting legs 2 are provided with fasteners 42. Correspondingly, in the unlocking structure 5, three pressing pieces 51 are convexly arranged on the flange 541 of the movable cover 54, wherein the three pressing pieces 51 are respectively arranged opposite to the clamping portions 4111 of the three clamping components 41 one by one. In this way, the three legs 2 can be locked or unlocked simultaneously.

Based on the locking device 100, the embodiment of the utility model further provides a bracket 1000, wherein the bracket 1000 includes the locking device 100. It should be noted that the stand 1000 is mainly used for mounting a photographing apparatus, that is, the stand 1000 is a photographing stand, but the stand 1000 may also be used for mounting other suitable apparatuses.

In this embodiment, as shown in fig. 1 and fig. 2, the bracket 1000 further includes a hinge base 200 and a clamping device 300, wherein the rod member 1 of the locking device 100 is inserted into the hinge base 200 and can move along the center of the insertion base; the clamping device 300 is disposed on the hinge base 200 and is mainly used for clamping products such as a mobile phone, a camera, a tablet, and the like. In addition, the leg 2 of the locking device 100 is located at the periphery of the rod member 1, and one end of the leg 2 is hinged to the hinge base 200, and the other end of the leg 2 is a free end.

Specifically, in the present embodiment, because the rod member 1 is movably disposed on the hinge base 200, it can be understood that, when the movable cover 54 in the unlocking structure 5 is pressed, the pressing member 51 disposed on the flange 541 of the movable cover 54 presses against the clamping member 411 to move along the length direction of the supporting leg 2, so as to release the buckling connection relationship of the supporting leg 2, the rod member 1 also moves toward the clamping device 300 relative to the hinge base 200 under the effect of the pressing force, so that, during the moving process of the rod member 1, the corresponding supporting leg 2 hinged to each reinforcing rib 3 will slowly open through the linkage of the reinforcing rib 3 hinged to the rod member 1, and thus, each supporting leg 2 will open immediately while unlocking each supporting leg 2.

Compared with the prior art, the support 1000 ensures that the support legs 2 can be locked on the periphery of the rod member 1 when being folded, and each support leg 2 can be rapidly opened relative to the rod member 1 when unlocking each support leg 2 by adopting the locking device 100, so that the support leg 2 has a simple and reliable structure, is convenient to store and carry by a user, is convenient to operate and has strong user experience.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A locking device, characterized in that it comprises:

a rod member;

the support legs are positioned on the periphery of the rod piece and can be unfolded or folded relative to the rod piece;

one end of the reinforcing rib is hinged to the rod piece, and the other end of the reinforcing rib is hinged to the inner side wall of the support leg and can be opened or closed together with the support leg;

the buckling structure is positioned between the rod piece and the inner side wall of the support leg; when the support legs are in a folded state, the buckling structures are used for locking the support legs on the periphery of the rod piece so as to prevent the support legs from unfolding;

and the unlocking structure is arranged at one end of the rod piece close to the supporting platform and used for releasing the locking state of the supporting legs.

2. The locking device according to claim 1, wherein the buckle structure comprises a clamping component and a fastener, the clamping component comprises a clamping piece, the clamping piece is movably arranged on the inner side wall of the supporting leg along the length direction of the supporting leg, and the fastener is convexly arranged on the reinforcing rib; when the support legs are in the furled state, the clamping piece is buckled with the fastener; the unlocking structure comprises a pressing piece, the pressing piece is movably arranged along the length direction of the rod piece, and the pressing piece is used for pressing against the clamping piece to enable the clamping piece to move along the length direction of the supporting leg so as to be unlocked from the fastening piece.

3. The locking device of claim 2, wherein the snap-in member comprises a snap portion and a connecting portion connected together; when the support legs are in the furled state, the clamping part is positioned on one side of the fastener, which is close to the rod piece, and is buckled with the fastener, and the pressing part is positioned on one side of the fastener, which is close to the rod piece, and is opposite to the clamping part.

4. The locking device according to claim 3, wherein a contact surface of the pressing member with the catching portion is a curved surface.

5. A locking device according to claim 3, wherein an end of the catching portion facing the pressing member is provided with a guide slope.

6. The locking device according to claim 3, wherein the clamping assembly further comprises a clamping seat and a first elastic piece, the clamping seat is arranged on the inner side wall of the supporting leg, and an accommodating cavity is formed in the clamping seat; the first elastic piece is arranged in the accommodating cavity along the length direction of the supporting leg; on the moving path of the first elastic piece, the connecting part of the clamping piece is located in the accommodating cavity, and the clamping part extends out of the accommodating cavity and is located outside the clamping seat.

7. The locking device according to claim 6, wherein the clamping assembly further comprises a cover body, the cover body covers the clamping seat, and the cover body is provided with a limiting channel communicated with the accommodating cavity; the limiting channel is matched with the first elastic piece and accommodates the first elastic piece.

8. The locking device of claim 3, wherein the unlocking structure further comprises an end cap, a second elastic member and a movable cover, wherein the end cap is arranged at one end of the rod member close to the supporting platform; the second elastic piece is arranged on the end cover at one side close to the movable cover; the movable cover is sleeved on the end cover and can move along the length direction of the rod piece under the action of the elastic piece; the flange of the movable cover is convexly provided with the pressing piece along the length direction of the rod piece, and is provided with a first avoidance hole for the reinforcing rib to pass through.

9. Locking device according to any one of claims 1 to 8, characterized in that said legs are provided in at least three, each of said legs being uniformly arranged around said bar; the buckling structure is arranged between at least one support leg and the corresponding reinforcing rib.

10. A bracket, characterized in that it comprises a locking device according to any one of claims 1 to 9.

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