CN218178495U - Support and shooting auxiliary device - Google Patents

Abstract

The utility model belongs to the technical field of auxiliary shooting devices, and relates to a support and an auxiliary shooting device, which comprises a base and supporting legs, wherein the supporting legs comprise main supporting legs, buttons and extension legs, one end of each main supporting leg is rotatably arranged on the base, so that the main supporting legs are in an unfolded or folded state relative to the base; the main support leg is provided with a sliding hole along the length direction; one part of the button is arranged on the extension foot, and the other part of the button is movably inserted in the sliding hole; the extension foot is arranged on the main support leg in a sliding manner along the length direction of the main support leg through the button, so that one end of the extension foot extends out of the main support leg or the whole extension foot is hidden in the main support leg and is locked at a target position through the button; when the extension foot is completely hidden in the main support foot, a pressing position is formed between the button and the main support foot at one end of the sliding hole close to the base. The support is convenient for a user to stretch into the pressing position from the lateral direction of the button to press the button and push the button to move in the sliding hole, so that the phenomenon of slipping caused by the initial sliding action of the button is avoided.

Description

Support and shooting auxiliary device

Technical Field

The utility model relates to a support technical field especially relates to a support and shoot auxiliary device.

Background

At present, portable electronic devices having a photographing function, such as mobile phones, tablets, cameras, and cameras, have rapidly entered the daily lives of people. In order to facilitate photographing and recording, the electronic device is often placed on a supporting platform such as a desktop by a support. In order to adjust the erection height of the stand, the prior art has a structure in which an extension leg is provided on a main leg of each support leg, and a lock state between the extension leg and the main leg is unlocked by pressing a button.

However, in the actual use process, when the button is operated, the button is easy to slip, so that the use experience of the user is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at, the technical problem of the phenomenon of skidding appears easily in the button of connecting main stabilizer blade and extension foot on solving current support.

In order to solve the technical problem, an embodiment of the utility model provides a support has adopted technical scheme as follows:

the support comprises a base and supporting legs, and the supporting legs comprise main supporting legs, buttons and extension legs;

one end of the main supporting leg is rotatably arranged on the base so that the main supporting leg is in an unfolded or folded state relative to the base; the main supporting leg is provided with a sliding hole along the length direction;

one part of the button is arranged on the extension foot, and the other part of the button is movably inserted into the sliding hole;

the extension foot is arranged on the main supporting foot in a sliding mode along the length direction of the main supporting foot through the button, so that one end of the extension foot extends out of the main supporting foot or the whole extension foot is hidden in the main supporting foot, and the extension foot is locked to the main supporting foot at a target position through the button;

when the extension foot is completely hidden in the main support foot, the sliding hole is close to one end of the base, a pressing position is formed between the button and the main support foot so that a user finger can extend into the button and can press the extended user finger onto the button.

Further, in a preferable mode of some embodiments, the pressing position is a recess provided on the main leg, and the recess is located at a periphery of one end of the slide hole near the base.

Alternatively, in a preferable mode of other embodiments, the pressing position is an end portion of the slide hole close to the base; when the extension foot is completely hidden in the main support foot, a gap exists between the button and the peripheral wall of the sliding hole in the length direction of the sliding hole to form the pressing position.

Further, in a preferable scheme of other embodiments, a limiting protrusion is convexly arranged on a hole wall of the sliding hole; the limiting protrusion is abutted to the button when the extension foot is completely hidden in the main supporting foot, so that the pressing position is formed between the button and the main supporting foot.

Further, in a preferable mode of some or other embodiments, an end of the extension leg near the pressing position is provided with an auxiliary groove in a concave manner along the direction of the extension leg.

Further, in a preferred version of some or other embodiments, the button includes a body and a positioning ear disposed on a perimeter wall of the body; one side of the extension leg, which is close to the main support leg, is provided with an installation groove and a first clamping groove communicated with the installation groove; at least one second clamping groove is formed in one side, close to the extension leg, of the main supporting leg;

one part of the body is arranged in the mounting groove, and the other part of the body is movably inserted in the sliding hole; a part of the positioning lug is arranged in the first clamping groove, and a part of the positioning lug is separated from the corresponding second clamping groove when the button is in a sliding state, and the button can be inserted into the corresponding second clamping groove when in a loosening state at a target position so as to lock the extension foot on the main supporting foot.

Further, in a preferable solution of some or other embodiments, a first gear mark is provided at the top of the body, and at least one second gear mark is provided at a side of the main leg facing away from the extension leg; when the first gear mark and the corresponding second gear mark are positioned on the same straight line and the button is in a released state, one part of the positioning lug part is inserted into the corresponding second clamping groove.

Further, in a preferable mode of some or other embodiments, two positioning ears are provided, and the two positioning ears are oppositely arranged along the width direction of the body; and the two positioning lugs are symmetrical with the first gear mark as a symmetrical center.

Further, in a preferred version of some or other embodiments, the number of the second card slots is the same as the number of the second gear marks; in the length direction of the main supporting leg, the second clamping grooves are uniformly arranged on two sides of the sliding hole in a word.

In order to solve the technical problem, the embodiment of the utility model provides a still provide a shoot auxiliary device, adopt as follows technical scheme: the shooting auxiliary device comprises the bracket.

Compared with the prior art, the embodiment of the utility model provides a support and shooting auxiliary device mainly have following beneficial effect:

this support is through when the extension foot is in hiding the state of accomodating, is close to the one end of base at the slide opening, sets up between button and main tributary foot and presses the position to this convenience of customers stretches into from the side direction of button and presses the position and press the button and promote the button and remove in the slide opening, and then avoids the initial slip action of button the phenomenon of skidding to appear, can not receive the big or small influence of button exposure height, so, the button slip action of this support is smooth and easy, the reliability is high, user experience feels good.

Drawings

In order to illustrate the solution of the present invention more clearly, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts. Wherein:

fig. 1 is a schematic perspective view of a bracket in a closed state according to an embodiment of the present invention;

FIG. 2 is a perspective view of the stand of FIG. 1 in an expanded configuration in which the elongate leg is completely hidden from the main leg and supported primarily by the main leg;

FIG. 3 is a perspective view of the stand of FIG. 1 in another expanded state, in which a portion of the extension leg extends beyond the main leg, the extension leg and the main leg being simultaneously supported;

FIG. 4 is a perspective view of the stand of FIG. 3 from another perspective;

FIG. 5 is a perspective exploded view of the bracket of FIG. 4;

fig. 6 is a perspective exploded view of a support leg of the bracket according to an embodiment of the present invention;

fig. 7 is a perspective cross-sectional view of a support foot of the stand according to an embodiment of the invention, wherein the main foot and the extension foot are in a locked position in this view;

FIG. 8 is another perspective cross-sectional view of a support foot of the bracket according to an embodiment of the present invention, wherein the extension foot is completely hidden from the main foot in this view;

fig. 9 is a further perspective cross-sectional view of a support foot of a bracket according to an embodiment of the invention, wherein a portion of the extension foot extends beyond the main foot in this figure.

The reference numbers in the drawings are as follows:

100. a support;

1. a base;

2. supporting legs; 21. a main leg; 211. a slide hole; 212. a limiting bulge; 213. a second card slot; 214. a second gear mark; 22. a button; 221. a body; 2211. a first gear mark; 222. positioning the ear part; 223. a spring; 23. extending the legs; 231. mounting grooves; 232. a first card slot; 233. an auxiliary groove; 24. a cover body;

3. and pressing the position.

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 herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or position illustrated in the drawings, which 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 claims of the present invention or in the above-described drawings are used for distinguishing between different objects and not for describing a particular sequential order. The meaning of "plurality" is two or more unless explicitly defined 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 invention. 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 may be combined with other embodiments.

The embodiment of the utility model provides a support 100, this support 100's effect mainly lies in playing auxiliary stay etc. when shooing portable electronic equipment that has the shooting function such as cell-phone, flat board, camera, that is to say that this support 100 mainly used is in selftimer, cloud platform etc. shoot auxiliary device. Of course, the function of the stent 100 is not limited thereto.

As shown in fig. 1 to 4, the stand 100 includes a base 1 and supporting legs 2. It should be noted that, in this embodiment, in order to ensure the support stability of the support 100, at least three support legs 2 may be provided, that is, the support 100 may be a tripod, or may be a tetrapod or an N-leg, in short, the specific number of the support legs 2 may be determined according to actual needs, and is not described herein again. In addition, regardless of the support 100 having several support feet 2, at least 1 support foot 2 includes a main foot 21, a button 22, and an extension foot 23.

Preferably, in the present embodiment, in order to simplify the overall structure and the reliability of the use of the bracket 100, all the supporting feet 2 of the bracket 100 have the same structure. For convenience of description, the following description mainly takes the specific structure of 1 of the supporting feet 2 as an example.

In the present embodiment, as shown in fig. 1 to 4, one end (specifically, a top end) of the main leg 21 is rotatably disposed on the base 1, so that the main leg 21 is in an unfolded or folded state with respect to the base 1. Specifically, in the present embodiment, the top end of the main leg 21 is rotatably connected to the base 1, and the bottom end of the main leg 21 can be a free end, so that during the rotation of the top end of the main leg 21, the bottom end of the main leg 21 can move in a direction away from the base 1 to ensure that the whole supporting leg 2 is in the unfolded state (see fig. 2 or fig. 3), and conversely, the bottom end of the main leg 21 moves in a direction close to the base 1 to ensure that the whole supporting leg 2 is in the folded state (see fig. 1).

As shown in fig. 1 to 3, 5 and 6, slide holes 211 are formed in the main leg 21 in the longitudinal direction so as to secure the sliding connection of the extension leg 23 to the main leg 21. As shown in fig. 1 to 3 and 7 to 9, a part of the button 22 is disposed on the extension leg 23, and a part of the button 22 is movably inserted into the sliding hole 211. Thus, the extension leg 23 can be slidably disposed on the main leg 21 along the length direction of the main leg 21 through the button 22, so that one end of the extension leg 23 (specifically, the bottom end of the extension leg 23) extends out of the main leg 21, or the entire extension leg 23 is hidden in the main leg 21, and furthermore, the extension leg 23 can be locked to the main leg 21 at a target position through the button 22.

Understandably, in the present embodiment, when the extension leg 23 needs to be fixed, the bracket 100 can lock the extension leg 23 to the main leg 21 through the button 22; when the extension leg 23 needs to be adjusted, the bracket 100 can release the locking relationship between the extension leg 23 and the main leg 21 by pressing the button 22, so as to ensure that the button 22 can move along the sliding hole 211, and further, the extension leg 23 connected to the button 22 is synchronously driven to slide relative to the main leg 21.

In the present embodiment, as shown in fig. 1, fig. 2 and fig. 8, when the extension leg 23 is completely hidden in the main leg 21, a pressing portion 3 is formed between the button 22 and the main leg 21 at an end of the slide hole 211 close to the base 1, so that a finger of a user can extend into the pressing portion and the extended finger of the user can press the button 22.

Understandably, by providing the pressing portion 3, when the extended leg 23 needs to be used, the bracket 100 can directly extend one of the fingers into the pressing portion 3 by the user, and ensure that the finger web of the extended finger touches and presses the button 22, obviously, by pressing the button 22 from the side of the button 22 and pushing the button 22 to move along the sliding hole 211, it is beneficial to ensure that the initial sliding of the button 22 is not affected by the height of the button 22 exposed from the main leg 21, and the occurrence of the slipping phenomenon can be effectively avoided.

In summary, compared with the prior art, the bracket 100 has at least the following beneficial effects: when the extension leg 23 is in the hidden storage state, the pressing position 3 is arranged between the button 22 and the main leg 21 at one end of the sliding hole 211 close to the base 1, so that a user can conveniently stretch into the pressing position 3 from the lateral direction of the button 22 to press the button 22 and push the button 22 to move in the sliding hole 211, and the phenomenon of sliding cannot occur in the initial sliding action of the button 22. In general, the structure of the support 100 is simple and reliable, the sliding motion of the button 22 is smooth, and the user experience is good.

Embodiment one of the bracket 100 of the present invention

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the first embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 9.

Further, as a specific implementation manner in the first embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 8, the pressing position 3 is an end portion of the sliding hole 211 close to the base 1; when the extension leg 23 is completely hidden in the main leg 21, the button 22 has a gap (specifically, may be simply referred to as an axial gap) with the peripheral wall of the slide hole 211 in the length direction of the slide hole 211 to form the pressing position 3. Understandably, in the first embodiment, the end of the sliding hole 211 close to the end of the base 1 is the pressing position 3, and only the end of the button 22 close to the base 1 is not matched and attached to the end of the sliding hole 211 close to the base 1, but an axial gap exists between the two ends to form the pressing position 3.

Further, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 5, fig. 8 and fig. 9, in order to ensure that an axial gap exists between one end of the button 22 close to the base 1 and one end of the slide hole 211 close to the base 1, a limiting protrusion 212 is convexly disposed on a hole wall of the slide hole 211, wherein when the extension leg 23 is completely hidden in the main leg 21, the limiting protrusion 212 (not shown in fig. 8) abuts against the button 22, so that the pressing portion 3 is formed between the button 22 and the main leg 21.

Further, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 3, fig. 5, fig. 6 and fig. 9, in order to ensure that the button 22 can avoid slipping when sliding in the middle portion of the sliding hole 211, an auxiliary groove 233 is concavely provided at one end (specifically, the top end) of the extension leg 23 close to the pressing portion 3 along the direction of the extension leg 23. Specifically, the auxiliary groove 233 communicates with the slide hole 211, and when the push button 22 is pressed and pushed, the finger of the user can be inserted into the auxiliary groove 233 to press the push button 22 from the side of the push button 22 by inserting the finger web of the finger, thereby ensuring that the push button 22 does not slip when the middle portion of the slide hole 211 moves along the slide hole 211 and ensuring that the extension leg 23 more smoothly extends out of the main leg 21 regardless of the sufficient height of the push button 22 exposed out of the main leg 21.

Further, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 5 to 7, the button 22 includes a body 221 and a positioning ear 222, wherein the positioning ear 222 is disposed on a peripheral wall of the body 221. In this embodiment, the body 221 is fitted with the sliding hole 211. Preferably, the body 221 has a flat key structure, and particularly, both ends of the body 221 have a half-round head shape. Of course, in other embodiments or other specific implementations, the body 221 may have other suitable structures.

In this embodiment, as shown in fig. 6 and 7, a mounting groove 231 and a first engaging groove 232 are formed on one side of the extension leg 23 close to the main leg 21, wherein the first engaging groove 232 is communicated with the mounting groove 231. Correspondingly, as shown in fig. 5 and 7, at least one second locking groove 213 is formed on a side of the main leg 21 close to the extension leg 23. In order to slidably connect the extension leg 23 to the main leg 21 through the button 22 and lock the extension leg 23 to the main leg 21 through the button 22, as shown in fig. 1 to 3 and 5 to 7, a part of the body 221 of the button 22 is installed in the installation groove 231, and a part of the body 221 is movably inserted into the sliding hole 211; a portion of the positioning ear 222 (specifically, a portion of the side facing away from the main leg 21) is installed in the first locking groove 232, and a portion of the positioning ear 222 (specifically, a portion of the side facing toward the main leg 21) is disengaged from the corresponding second locking groove 213 when the button 22 is in the sliding state, and the portion disengaged from the corresponding second locking groove 213 can be inserted into the corresponding second locking groove 213 again when the button 22 is in the release state at the target position to lock the extension leg 23 to the main leg 21.

Understandably, the main body 221 of the button 22 is fixedly arranged on the extension leg 23, the main body 221 is arranged on the main leg 21 in a sliding manner along the length direction of the main leg 21, and the positioning lug 222 can move up and down relative to the main leg 21 along the thickness direction of the main leg 21. It is further understood that when the user presses the button 22, a portion of the positioning lug 222 is separated from the corresponding second slot 213, and at this time, the button 22 can be pushed to move along the sliding direction, and when the user releases the button 22 to release the pressing of the button 22, and the button 22 is in a released state, the portion of the positioning lug 222 can be inserted into the corresponding second slot 213 again.

It should be noted that the second card slot 213 from which the part of the positioning lug 222 is detached and the second card slot 213 to be inserted again may be the same second card slot 213, or may be different second card slots 213, specifically, may depend on the actual situation of the position where the button 22 finally stops.

In this embodiment, it is preferable that, in order to ensure that the positioning lug 222 can move relative to the main leg 21, the button 22 is disengaged from the second locking slot 213 in one state and inserted into the second locking slot 213 in another state, as shown in fig. 4 to 9, the button 22 further includes a spring 223, wherein the spring 223 is disposed between the body 221 of the button 22 and the position of the extension leg 23 corresponding to the installation slot 231, so that the whole button 22 can move up and down relative to the main leg 21 along the thickness direction of the main leg 21. Understandably, after the pressing of the button 22 is released under the effect of the resilience of the spring 223, a part of the positioning ear 222 of the button 22 can rebound to be in concave-convex fit with the corresponding second clamping groove 213, so as to realize the locking between the extension leg 23 and the main leg 21.

It should be noted that, in the present embodiment, as shown in fig. 4 to 9, in order to ensure the structural reliability and the aesthetic property of the bracket 100, the supporting leg 2 further includes a cover 24, wherein the cover 24 is disposed on a side of the main leg 21 facing the extension leg 23, and forms a receiving cavity (not shown) with the main leg 21, the receiving cavity is communicated with the sliding hole 211 on the main leg 21, and is mainly used for hiding and receiving the extension leg 23.

It should be noted that, in this embodiment, as shown in fig. 6, the auxiliary groove 233 on the extension leg 23 is located at the periphery of the installation groove 231 and is spaced apart from the installation groove 231, so that the auxiliary groove 233 can be extended from the side of the button 22 to press the body 221 of the button 22 installed in the installation groove 231.

Further, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 1 to fig. 3, fig. 6 and fig. 7, in order to facilitate the user to determine that the button 22 is located at the target position, the top of the body 221 of the button 22 is provided with a first gear mark 2211, and correspondingly, one side (specifically, one side facing the user) of the main supporting leg 21 away from the extending leg 23 is provided with at least one second gear mark 214. When the first gear position mark 2211 and the corresponding second gear position mark 214 are located on the same straight line, that is, when the button 22 is located at the target position, and the button 22 is in the released state, a portion of the positioning lug 222 is inserted into the corresponding second slot 213.

Understandably, when the button 22 slides to the position where the first position mark 2211 is aligned with the corresponding second position mark 214, that is, the button 22 is located at the target position, and at this position, the positioning lug 222 is directly opposite to the corresponding second card slot 213, if the user needs to lock the extension pin 23, the button 22 can be released to release the pressing of the button 22, so that a part of the positioning lug 222 can move up to be matched with the second card slot 213 in a concave-convex manner, so as to realize the plugging of the two.

It should be noted that, in the present embodiment in particular, as shown in fig. 1 to 3, the first gear mark 2211 and the second gear mark 214 are both provided along the width direction of the main leg 21. In addition, the first gear position mark 2211 and the second gear position mark 214 are both raised or protruding strips, but other suitable forms of marks are also possible in other embodiments.

Preferably, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 5 to fig. 7, in order to ensure the smoothness of the sliding of the button 22 and improve the reliability of the locking extension leg 23, two positioning ears 222 are provided, the two positioning ears 222 are oppositely disposed along the width direction of the body 221, and the two positioning ears 222 are symmetrical with the first gear mark 2211 as the center of symmetry.

Preferably, in a specific implementation manner of the first embodiment of the present invention, as shown in fig. 1 to 3, 5 and 6, the number of the second card slots 213 is the same as the number of the second gear marks 214; specifically, in the present embodiment, as shown in fig. 7, a second slot 213 is correspondingly formed right below each second position mark 214 on the main leg 21.

In addition, in order to facilitate the user to accurately confirm that the button 22 is located at the target position, the second locking grooves 213 are arranged in a row on both sides of the sliding hole 211 in the longitudinal direction of the main leg 21. Specifically, one side of the sliding hole 211 is provided with 3 second slots 213 arranged in a line shape with a gap, and the other side is provided with 3 second slots 213 arranged in a line shape with a gap.

Embodiment two of the bracket 100 of the present invention

The second embodiment has the same main technical features as the first embodiment, and the main differences from the first embodiment are as follows:

in a second embodiment of the present invention, the pressing portion 3 is a recessed portion (not shown) disposed on the main supporting leg 21, wherein the recessed portion is located at a periphery of one end of the sliding hole 211 close to the base 1. Understandably, in this embodiment, at one end of the slide hole 211 close to the base 1, the recessed portion may be communicated with the slide hole 211 at the periphery of the slide hole 211, and may also be spaced from the slide hole 211, as long as when the extension foot 23 is in the storage hidden state, when the user extends a finger into the recessed portion, the finger belly of the finger can touch and press the button 22.

It should be noted that, since the concave portion is not related to the sliding hole 211, the limiting protrusion 212 of the embodiment may not be provided in this embodiment.

Based on the above-mentioned support 100, the embodiment of the present invention further provides a shooting assisting apparatus (not shown), wherein the shooting assisting apparatus includes the above-mentioned support 100. It should be noted that, in general, in this embodiment, the auxiliary photographing device may further include some devices such as a clamping device, and the structures of these devices may be conventional structures or newly created structures, which are not described herein again. In addition, the shooting auxiliary device can be a device with an auxiliary shooting function, such as a selfie stick and a holder.

In summary, compared with the prior art, the auxiliary shooting device at least has the following beneficial effects: by adopting the support 100, the shooting auxiliary device can ensure that the sliding action of the button 22 is smoother, the phenomenon of slipping does not occur, the reliability is high, and the user experience is good.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention. Various modifications and changes may occur 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 support is characterized by comprising a base and supporting legs, wherein the supporting legs comprise main supporting legs, buttons and extension legs;

one end of the main supporting leg is rotatably arranged on the base so that the main supporting leg is in an unfolded or folded state relative to the base; the main supporting leg is provided with a sliding hole along the length direction;

one part of the button is arranged on the extending foot, and the other part of the button is movably inserted into the sliding hole;

the extension foot is arranged on the main supporting foot in a sliding manner along the length direction of the main supporting foot through the button so that one end of the extension foot extends out of the main supporting foot or the whole extension foot is hidden in the main supporting foot and is locked on the main supporting foot at a target position through the button;

when the extension foot is completely hidden in the main support foot, the sliding hole is close to one end of the base, a pressing position is formed between the button and the main support foot so that a user finger can extend into the button and can press the extended user finger onto the button.

2. A stand according to claim 1 wherein the pressing location is a recess provided on the primary limb, the recess being located at the periphery of one end of the slide aperture adjacent the base.

3. The holder according to claim 1, wherein the pressing position is an end portion of the slide hole near the base; when the extension foot is completely hidden in the main support foot, a gap exists between the button and the peripheral wall of the sliding hole in the length direction of the sliding hole to form the pressing position.

4. The bracket according to claim 3, wherein a limiting protrusion is convexly arranged on the wall of the sliding hole; the limiting protrusion is abutted to the button when the extension foot is completely hidden in the main supporting foot, so that the pressing position is formed between the button and the main supporting foot.

5. A support according to any one of claims 2 to 4, wherein one end of the elongate foot adjacent the pressing location is recessed with an auxiliary recess in the direction of the elongate foot.

6. The holder according to any one of claims 1 to 4, wherein the button comprises a body and a positioning ear provided on a circumferential wall of the body; one side of the extension leg, which is close to the main support leg, is provided with a mounting groove and a first clamping groove communicated with the mounting groove; at least one second clamping groove is formed in one side, close to the extension leg, of the main supporting leg;

one part of the body is arranged in the mounting groove, and the other part of the body is movably inserted into the sliding hole; a part of the positioning lug is arranged in the first clamping groove, and a part of the positioning lug is separated from the corresponding second clamping groove when the button is in a sliding state, and the button can be inserted into the corresponding second clamping groove when in a loosening state at a target position so as to lock the extension foot on the main supporting foot.

7. The bracket according to claim 6, characterized in that the top of the body is provided with a first gear mark, and the side of the main leg facing away from the extension leg is provided with at least one second gear mark; when the first gear mark and the corresponding second gear mark are positioned on the same straight line and the button is in a released state, one part of the positioning lug part is inserted into the corresponding second clamping groove.

8. The bracket according to claim 7, wherein the positioning ears are provided in two, and the two positioning ears are oppositely arranged along the width direction of the body; and the two positioning lugs are symmetrical with the first gear mark as a symmetrical center.

9. The bracket of claim 7, wherein the number of second card slots is the same as the number of second gear indicia; in the length direction of the main supporting leg, the second clamping grooves are uniformly arranged on two sides of the sliding hole in a word.

10. A photographic aid, characterized in that the photographic aid comprises a stand according to any one of claims 1 to 9.

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