CN220891706U

CN220891706U - Supporting frame

Info

Publication number: CN220891706U
Application number: CN202322868078.2U
Authority: CN
Inventors: 叶梓龙; 黄家宝; 潘安泉
Original assignee: Shenzhen Xiaofalcon Zhichuang Technology Co ltd
Current assignee: Shenzhen Xiaofalcon Zhichuang Technology Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-05-03
Anticipated expiration: 2033-10-24

Abstract

The utility model relates to a support frame, which comprises a base body, a lifting block and a plurality of supporting legs, wherein the lifting block is arranged in the base body and can move along the height direction of the support frame, and a plurality of tooth grooves are formed in the side wall of the lifting block; the supporting legs are rotatably connected to the base body, the supporting legs can be unfolded relative to the base body, gears are arranged on one side, close to the base body, of each supporting leg, the supporting legs are rotated, the gears are meshed with different tooth grooves, so that the lifting block is driven to move along the height direction of the supporting frame, and the lifting block is switched between a locking position and a releasing position; when the lifting block is in a locking position, the supporting legs are in a mutually closed state; any one of the supporting legs is pulled, the supporting legs drive the lifting block to be switched from the locking position to the releasing position through the gears, and the supporting legs rotate relative to the seat body to be switched to the unfolding state. According to the support frame provided by the utility model, only any one supporting leg is required to be pulled, so that the supporting leg drives the lifting block to move along the height direction of the support frame, and the lifting block can drive other supporting legs to rotate relative to the seat body to be switched to the unfolding state.

Description

Supporting frame

Technical Field

The utility model relates to the field of photographic accessories, in particular to a supporting frame.

Background

As more people enjoy photography, people often borrow the help of a photography supporting frame in order to achieve certain photography effects. The three support legs of the support frame in the prior art need to be opened one by one, then the angle of each support leg is adjusted, and then the angle of each support leg is locked one by one. For example, chinese patent document CN214405417U discloses a desktop tripod, and when the desktop tripod is used, a user needs to unscrew three groups of fixing screws respectively by hand, then swing and adjust three groups of supporting legs, after adjustment is completed, screw up three groups of fixing screws respectively by hand, and then use the desktop tripod, and the operation is troublesome, and user experience feels poor.

Disclosure of utility model

The utility model provides a support frame, which aims to solve the problems that support legs are required to be opened one by one and the support legs are required to be fixed one by one when the support frame is used.

In order to solve the technical problems, the utility model adopts the following technical scheme:

A support stand, comprising:

a base;

The lifting block is arranged in the base body and can move along the height direction of the support frame, a plurality of tooth grooves are formed in the side wall of the lifting block, and the tooth grooves are distributed along the height direction of the support frame;

The support legs are rotatably connected to the base body, the support legs can be unfolded relative to the base body, gears are arranged on one side, close to the base body, of each support leg, the gears are meshed with the tooth grooves, the support legs are rotated, the gears are meshed with different tooth grooves, so that the lifting blocks are driven to move along the height direction of the support frame, and the lifting blocks are switched between a locking position and a releasing position;

when the lifting block is positioned at the locking position, a plurality of supporting legs are positioned in a mutually closed state, and the expansion of the supporting legs relative to the seat body is limited; any one of the supporting legs is pulled, the gears are clamped in different tooth grooves, the supporting legs drive the lifting block to be switched from the locking position to the releasing position through the gears, and the supporting legs rotate relative to the base body to be switched to the unfolding state.

In one embodiment, the base is provided with a main shaft extending along the height of the support frame, the main shaft is provided with a first end and a second end opposite along the axial direction, the first end protrudes out of the base, the first end is used for externally connecting shooting equipment, the second end is contained in the base, the lifting block is sleeved at the second end, and the lifting block can be driven by the gear to move along the axial direction so as to realize that the lifting block moves along the height direction of the support frame.

In one embodiment, the spindle is in threaded connection with the base, so that the spindle is fixedly connected with the base, the spindle is provided with a protruding block located in the base, the protruding block protrudes out of the outer surface of the spindle, and the protruding block abuts against the inner wall of the base, so that the spindle is limited to protrude out of the base excessively.

In one embodiment, the outer surface of the lifting block comprises a plurality of sub-surfaces which are included angles and are sequentially connected along the circumferential direction, the sub-surfaces which are oppositely arranged with the gears are provided with tooth groove groups, each tooth groove group comprises a plurality of tooth grooves which are distributed along the height direction of the supporting frame, and only one of the adjacent two sub-surfaces is provided with the tooth groove group.

In one embodiment, the outer surface of the lifting block is a cylindrical surface, and each tooth slot is continuously arranged along the circumferential direction of the outer surface of the lifting block to form a circle.

In one embodiment, the gear comprises a first tooth part and a second tooth part, the first tooth part and the second tooth part are arranged at intervals, and the first tooth part and the second tooth part are simultaneously meshed with the same tooth slot or different tooth slots on the same height of the lifting block.

In one embodiment, the support leg is connected to one end of the base body, the gear is disposed on the rotating portion, a groove is disposed on a side wall of the rotating portion, the gear is installed in the groove, the gear is in a cam shape, and a groove shape of the groove is matched with a shape of the gear, so that when the support leg is pulled, a protruding end of the gear abuts against a wall of the groove, and the gear is limited to rotate relative to the rotating portion.

In one embodiment, the support leg is connected to one end of the base body and is provided with a rotating portion, the gear is arranged on the rotating portion, the base body is provided with a plurality of accommodating grooves, the accommodating grooves are formed in the circumferential direction of the base body and are matched with the support legs in number, the gear is accommodated in the accommodating grooves, the rotating portion is installed in the accommodating grooves, the shape of the accommodating grooves is matched with the shape of the rotating portion, and the rotating portion can penetrate through the accommodating grooves to enable the support legs to be switched to an unfolding state.

In one embodiment, the rotating part is provided with a rotating shaft, the rotating shaft is installed in the accommodating groove, the rotating part is rotatably connected with the seat body through the rotating shaft, and the rotating part can rotate around the rotating shaft relative to the seat body; the pedestal is provided with a plurality of holding cavities, and is a plurality of hold the cavity along the circumference interval of pedestal is arranged, and adjacent two hold the cavity and be located hold the relative both sides of groove, the pivot warp hold the cavity wear to locate in proper order the pedestal first tooth portion the rotation portion with the second tooth portion, just the relative both ends of pivot accomodate respectively in adjacent two hold the intracavity.

In one embodiment, the gear is detachably connected to the rotating portion.

As can be seen from the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:

The supporting frame comprises the base body, the lifting blocks and the supporting legs, the lifting blocks can move along the height direction of the supporting frame, the supporting frame is used, only any one supporting leg is needed to be pulled, the supporting legs drive the lifting blocks to move along the height direction of the supporting frame, the lifting blocks are switched to the release position from the locking position, the lifting blocks can drive other supporting legs to rotate relative to the base body and are switched to the unfolding state, a user does not need to open one by one and fix the supporting legs one by one, the operation is convenient, one-key triggering is achieved, and the user experience is good.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure of a support frame according to an embodiment of the present utility model;

FIG. 2 is an expanded view of the support stand of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the support frame shown in FIG. 1;

fig. 4 is a schematic structural view of a lifting block of the support frame shown in fig. 3;

FIG. 5 is a schematic view of an exploded construction of the legs of the support stand shown in FIG. 3;

FIG. 6 is an exploded view of the housing of the stand of FIG. 3;

Fig. 7 is a schematic structural diagram of a lifting block according to a second embodiment of the present utility model.

The reference numerals are explained as follows:

10. A support frame; 100. a base; 110. a main shaft; 111. a first end; 112. a second end; 113. a protruding block; 120. a receiving groove; 130. a receiving chamber; 140. a housing; 150. an inner case; 200. a support leg; 210. a gear; 211. a first tooth portion; 212. a second tooth portion; 220. a rotating part; 221. a groove; 222. a rotating shaft; 300. a lifting block; 310. tooth slots; 320. a sub-surface; 321. a tooth groove group.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a 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 one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

First embodiment

Referring to fig. 1 and 2, the present utility model provides a support frame 10 for supporting a photographing apparatus, so as to prevent the photographing apparatus from shaking to affect the photographing effect when a user uses the photographing apparatus. The support frame 10 includes pedestal 100 and a plurality of landing leg 200, and a plurality of landing legs 200 rotate to be connected in pedestal 100, and landing leg 200 can expand relative pedestal 100, uses support frame 10 to shoot, and the user only need rotate arbitrary landing leg 200, can open whole landing leg 200, and can realize the angle of fixed landing leg 200 expansion, need not open a plurality of landing legs 200 one by one, then lock one by one again, convenient operation. The shooting device is an electronic device such as a mobile phone and a camera.

Referring to fig. 3, the support frame 10 further includes a lifting block 300, the lifting block 300 is disposed in the base 100 and can move along the height direction of the support frame 10, a plurality of tooth slots 310 are disposed on the sidewall of the lifting block 300, and the plurality of tooth slots 310 are arranged along the height direction of the support frame 10.

The side of each supporting leg 200, which is close to the base 100, is provided with a gear 210, the gear 210 is meshed with the tooth grooves 310, the supporting legs 200 are rotated, the gear 210 is meshed with different tooth grooves 310, the supporting legs 200 drive the lifting block 300 to move along the height direction of the supporting frame 10, and the lifting block 300 is switched between a locking position and a releasing position.

With continued reference to fig. 1 and 2, when the lifting block 300 is in the locked position, the plurality of legs 200 are in a state of being drawn toward each other, and the expansion of the legs 200 with respect to the base 100 is restricted; any one of the supporting legs 200 is pulled, the gears 210 are clamped in different tooth grooves 310, the supporting legs 200 drive the lifting block 300 to switch from the locking position to the releasing position through the gears 210, and the supporting legs 200 rotate relative to the seat body 100 to switch to the unfolding state.

When the support frame 10 is used, only any one of the support legs 200 is required to be pulled, the support legs 200 drive the lifting block 300 to move along the height direction of the support frame 10, the lifting block 300 is switched to the release position from the locking position, the support legs 200 are meshed with different tooth grooves 310 through the gears 210 to rotate relative to the seat body 100, the support legs 200 are switched to the unfolding state, a user does not need to open the support legs 200 one by one and lock the support legs 200 one by one, the user can open and lock the support legs 200 one by one, the operation is convenient, and the user experience is good.

Referring to fig. 1 and 2, in the present embodiment, the number of the legs 200 is three, the three legs 200 are arranged along the circumferential direction of the base 100, and when the three legs 200 are unfolded, the base 100, the lifting block 300 and the photographing apparatus can be supported on a fixed position to satisfy photographing requirements of users. It should be understood that the number of the legs 200 may be four, five, etc., so long as the legs 200 are unfolded to support the base 100, the lifting block 300, and the photographing apparatus in a fixed position. The fixing position is a position of a table top, a ground surface, and the like.

With continued reference to fig. 3, the base 100 is provided with a main shaft 110 extending along the height of the support frame 10, the main shaft 110 has a first end 111 and a second end 112 opposite to each other in the axial direction, the first end 111 protrudes from the base 100, the first end 111 is used for externally connecting with a photographing device, the second end 112 is received in the base 100, the lifting block 300 is sleeved in the second end 112, and the lifting block 300 can be driven by the gear 210 to move along the axial direction of the second end 112, so as to realize that the lifting block 300 moves along the height direction of the support frame 10. It should be noted that the first end 111 may be configured as a threaded hole, a threaded shaft, or the like, and the specific configuration of the first end 111 is not specifically limited in the present utility model. It should be understood that the main shaft 110 may not be provided, so long as the photographing device can be connected to the base 100 and the lifting block 300 can be moved along the height direction of the supporting frame 10, for example: the photographing apparatus may be mounted on the housing 100 by means of a quick-mount plate and a quick-mount holder; the lifting block 300 moves along the sidewall of the base 100 to realize the movement of the lifting block 300 in the height direction of the support frame 10.

The spindle 110 is screwed to the housing 100 such that the spindle 110 is fixedly coupled to the housing 100. It should be understood that the connection between the spindle 110 and the base 100 may be a snap connection, so long as the spindle 110 is fixedly connected to the base 100.

The main shaft 110 is provided with a protruding block 113 located in the base 100, the protruding block 113 protrudes from the outer surface of the main shaft 110, and the protruding block 113 abuts against the inner wall of the base 100, so as to limit the main shaft 110 from protruding out of the base 100 excessively. The user may unscrew the spindle 110 carelessly in the process of disassembling the photographing apparatus, so that the spindle 110 can move relative to the base 100, and by providing the protruding block 113, the spindle 110 can be prevented from being excessively extended from the base 100, preventing the spindle 110 from being separated from the base 100, or preventing the spindle 110 from being excessively extended from the base 100, and the lifting block 300 cannot move along the axial direction of the spindle 110. It should be understood that the protruding block 113 may not be provided, so long as the spindle 110 does not protrude beyond the base 100.

Referring to fig. 4, the outer surface of the elevating block 300 is a cylindrical surface, and each of the tooth grooves 310 is continuously disposed along the outer surface of the elevating block 300 in the circumferential direction to form a circle. By providing each of the tooth grooves 310 to be continuously arranged in the circumferential direction of the outer surface of the elevating block 300 to form a circle, a user can install the elevating block 300 without intentionally installing the pair Ji Chilun of surfaces provided with the tooth grooves 310 and only by engaging the gear 210 with the tooth grooves 310. It will be appreciated that, without considering the convenience of installing the lifting block 300, each tooth slot 310 may not be continuously arranged along the circumferential direction of the outer surface of the lifting block 300 to form a circle, so long as the gear 210 can engage with different tooth slots 310, so that the lifting block 300 can move along the height direction of the support frame 10 should be protected.

Referring to fig. 5, the gear 210 includes a first tooth portion 211 and a second tooth portion 212, the first tooth portion 211 and the second tooth portion 212 are spaced apart, and the first tooth portion 211 and the second tooth portion 212 are simultaneously engaged with the same tooth slot 310 or different tooth slots 310 on the same height of the lifting block 300. By providing the gear 210 including the first tooth portion 211 and the second tooth portion 212, the first tooth portion 211 and the second tooth portion 212 are provided at intervals, the production cost is reduced compared with the gear 210 without the first tooth portion 211 and the second tooth portion 212; and because the gear 210 must wear after being used for a certain time, but the first tooth portion 211 and the second tooth portion 212 do not wear at the same time, when the first tooth portion 211 wears, after the first tooth portion 211 and the tooth slot 310 have a gap, no gap exists between the second tooth portion 212 and the tooth slot 310, and the second tooth portion 212 can still be used normally, so that the service life of the support frame 10 is prolonged. It will be appreciated that the gear 210 may not be provided with the first tooth portion 211 and the second tooth portion 212, regardless of the production cost and the service life of the support frame 10, so long as the gear 210 can mesh with the tooth slot 310.

Referring to fig. 5, one end of the leg 200 connected to the base 100 is provided with a rotating portion 220, a gear 210 is disposed at the rotating portion 220, a groove 221 is disposed on a side wall of the rotating portion 220, the gear 210 is installed in the groove 221, the gear 210 is in a cam shape, and the shape of the groove 221 is adapted to the shape of the gear 210, so that when the gear 210 is engaged with different tooth slots 310, a protruding end of the gear 210 abuts against a wall of the groove 221 to limit the gear 210 to rotate relative to the rotating portion 220. When the leg 200 is pulled, the protruding end of the gear 210 abuts against the wall of the groove 221, the gear 210 is limited to rotate relative to the rotating part 220, and the gear 210 can rotate relative to the lifting block 300, so that the gear 210 is meshed in different tooth grooves 310. If the gear 210 is not in a cam shape, the gear 210 can rotate relative to the rotating part 220, and when the support leg 200 is pulled, the gear 210 rotates relative to the rotating part 220, the pull support leg 200 cannot drive the gear 210 to rotate, and the gear 210 cannot be meshed in different tooth grooves 310. It will be appreciated that the gear 210 may be configured in other shapes, and any configuration in which the leg 200 is capable of driving the gear 210 into engagement with the different tooth slots 310 should be protected.

Referring to fig. 6, the base 100 is provided with a plurality of receiving grooves 120, the receiving grooves 120 are provided in a plurality along a circumferential direction of the base 100, the number of the receiving grooves 120 is adapted to the number of the legs 200, the gear 210 is received in the receiving grooves 120, the rotating portion 220 is mounted between two inner sidewalls of the receiving grooves 120, the shape of the receiving grooves 120 is adapted to the shape of the rotating portion 220, and when the legs 200 are pulled, the rotating portion 220 can pass through the receiving grooves 120 to switch the legs 200 to an unfolded state. By providing the receiving groove 120, the structure of the housing 100 is more compact, and the rotating part 220 is installed in the receiving groove 120, so that the overall structure of the support frame 10 is more attractive. It should be understood that the accommodating groove 120 may not be provided regardless of the compactness and the aesthetic appearance, so long as the rotating portion 220 can rotate relative to the base 100, so that the leg 200 is switched to the unfolded state.

When the leg 200 is unfolded, the rotating portion 220 abuts against the groove wall of the accommodating groove 120, so that the leg 200 is restricted from being unfolded relative to the seat 100. When the leg 200 is unfolded, the rotating portion 220 abuts against the groove wall of the accommodating groove 120 when the angle formed between the leg 200 and the base 100 reaches the preset angle, and the supporting frame 10 is at the maximum extent of the unfolding, and the groove wall of the accommodating groove 120 limits the leg 200 to continue to be unfolded relative to the base 100, so that the supporting frame 10 can be stably placed on the fixed position.

The rotating part 220 is provided with a rotating shaft 222, the rotating shaft 222 is installed in the accommodating groove 120, the rotating part 220 is rotatably connected to the base 100 through the rotating shaft 222, and the rotating part 220 can rotate around the rotating shaft 222 relative to the base 100; the base 100 is provided with a plurality of holding cavities 130, and a plurality of holding cavities 130 are arranged along the circumference interval of the base 100, and two adjacent holding cavities 130 are located the opposite sides of holding groove 120, and pivot 222 wears to locate base 100, first tooth portion 211, rotation portion 220 and second tooth portion 212 in proper order through holding cavity 130, and the opposite both ends of pivot 222 are accomodate respectively in two adjacent holding cavities 130. The side wall of the rotating shaft 222 becomes thinner due to the fact that the rotating shaft 222 is worn after being used for a certain time, so that the supporting leg 200 can shake when rotating around the rotating shaft 222 or shake can occur in the process of using the supporting frame 10, and the photographing effect is poor; or when the user uses the support frame 10, the situation that the support leg 200 needs to be replaced due to abrasion caused by collision may occur in the support frame 10, so the seat body 100 of the embodiment is provided with a plurality of accommodating cavities 130, and when the user needs to replace the rotating shaft 222 or the support leg 200, the user detaches the rotating shaft 222 at the accommodating cavity 130, and compared with the scheme without the accommodating cavity 130, the scheme of the embodiment is more convenient for detaching the rotating shaft 222 or the support leg 200. It will be appreciated that the accommodating chamber 130 may not be provided regardless of the detachment of the rotation shaft 222 or the leg 200, so long as the rotation portion 220 can rotate around the rotation shaft 222, all the steps should be protected.

Referring to fig. 6, the base 100 includes an outer case 140 and an inner case 150, the outer case 140 and the inner case 150 are detachably connected, the outer case 140 is sleeved on the inner case 150, the rotating shaft 222 is disposed on the inner case 150, the receiving groove 120 is formed on the inner case 150, and the outer case 140 and the inner case 150 enclose to form the receiving cavity 130. When the user needs to replace the rotation shaft 222 or the support leg 200, the user first detaches the outer housing 140 from the inner housing 150, and then detaches the rotation shaft 222 in the accommodating cavity 130, so as to facilitate detachment of the rotation shaft 222. It is understood that the outer housing 140 may also be provided non-detachably with the inner housing 150, for example, the outer housing 140 may be provided as an integrally formed structure with the inner housing 150, regardless of the detachment of the rotation shaft 222 or the leg 200.

With continued reference to fig. 5, the gear 210 is detachably connected to the rotating portion 220. Because the gear 210 must wear and tear after a certain period of time, and the teeth of the gear 210 become thinner, and then when the gear 210 is meshed with the tooth slot 310, a gap appears between the gear 210 and the tooth slot 310, and the clamping between the gear 210 and the tooth slot 310 is unstable, so that the shooting equipment installed on the support frame 10 may shake slightly, and the shooting effect is poor, so that the gear 210 is detachably connected with the rotating part 220, and the gear 210 can be replaced when a certain time limit is used, so that the service life of the whole support frame 10 is ensured. Of course, the gear 210 may be provided to be not detachable from the rotating portion 220, for example, the gear 210 and the rotating portion 220 may be provided as an integrally formed structure, regardless of the service life of the support frame 10.

When the support frame 10 is used, a user pulls any one of the support legs 200, the support legs 200 rotate relative to the base 100, the gears 210 on the support legs 200 are meshed with different tooth grooves 310, the support legs 200 drive the lifting blocks 300 to switch from a locking position to a releasing position through the gears 210, the lifting blocks 300 drive the other support legs 200 to rotate relative to the base 100 so as to switch to an unfolding state, the user places the support frame 10 on a fixed position, and then shooting equipment is installed, so that a required photo can be shot by using the support frame 10; when the user finishes using the support frame 10, the user firstly separates the photographing device from the support frame 10 and pulls any one of the support legs 200, the support legs 200 drive the lifting block 300 to switch from the release position to the locking position, and the other support legs 200 rotate relative to the seat body 100 to switch to a mutually closed state, so that the storage of the support frame 10 is completed.

Second embodiment

Referring to fig. 7, the supporting frame 10 of the present embodiment is basically the same as the supporting frame 10 of the first embodiment in that the lifting block 300 is different in structure.

The outer surface of the lifting block 300 comprises a plurality of sub-surfaces 320 which are included angles and are sequentially connected along the circumferential direction, the sub-surfaces 320 which are arranged opposite to the gear 210 are provided with tooth groove groups 321, each tooth groove group 321 comprises a plurality of tooth grooves 310 which are arranged along the height direction of the supporting frame 10, and only one of the adjacent two sub-surfaces 320 is provided with the tooth groove group 321. By arranging two adjacent sub-surfaces 320, only one of the sub-surfaces 320 is provided with a plurality of tooth grooves 310, so that the area of the lifting block 300 for arranging the tooth grooves 310 is reduced, the production cost is reduced, the area of the sub-surface 320 provided with the tooth groove group 321 is reduced, and correspondingly, the area of the gear 210 is reduced, and the production cost is further reduced. If the area of the gear 210 is only reduced, but the area of the sub-surface 320 provided with the gear groove group 321 is not reduced, the gear 210 can move in the horizontal direction relative to the lifting block 300, so that the stability of the support frame 10 is greatly reduced, and a user may shake the support frame 10 in the process of shooting by using the support frame 10, thereby affecting the shooting effect. It will be appreciated that the number of sub-surfaces 320 of the lifting block 300 may be adapted to the number of the legs 200 without considering the reduction of the production cost and the stability of the support frame 10, and each sub-surface 320 is provided with a plurality of tooth slots 310 arranged along the height direction of the support frame 10, so long as the gear 210 can engage with different tooth slots 310, all the aspects should be protected.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A support bracket, comprising:

a base;

2. The support frame of claim 1, wherein the base is provided with a spindle extending along the height of the support frame, the spindle has a first end and a second end opposite to each other in an axial direction, the first end protrudes from the base, the first end is used for externally connecting shooting equipment, the second end is accommodated in the base, the lifting block is sleeved at the second end, and the lifting block can be driven by the gear to move in the axial direction so as to realize the movement of the lifting block along the height direction of the support frame.

3. The support frame of claim 2, wherein the spindle is threadably coupled to the base such that the spindle is fixedly coupled to the base, the spindle is provided with a boss located in the base, the boss protrudes from an outer surface of the spindle, and the boss abuts an inner wall of the base to limit the spindle from protruding excessively from the base.

4. The support frame according to claim 1, wherein the outer surface of the lifting block comprises a plurality of sub-surfaces which are included angles and are sequentially connected along the circumferential direction, the sub-surfaces which are arranged opposite to the gear are provided with tooth groove groups, the tooth groove groups comprise a plurality of tooth grooves which are arranged along the height direction of the support frame, and only one of the two adjacent sub-surfaces is provided with the tooth groove groups.

5. The support frame of claim 1, wherein the outer surface of the lifting block is cylindrical, and each tooth slot is arranged continuously along the circumferential direction of the outer surface of the lifting block to form a circle.

6. The support frame of claim 1, wherein the gear comprises a first tooth portion and a second tooth portion, the first tooth portion and the second tooth portion are arranged at intervals, and the first tooth portion and the second tooth portion are simultaneously meshed with the same tooth slot or different tooth slots on the same height of the lifting block.

7. The support frame of claim 1, wherein the leg is connected to one end of the base body and provided with a rotating portion, the gear is arranged on the rotating portion, a groove is formed in a side wall of the rotating portion, the gear is installed in the groove, the gear is in a cam shape, and the groove shape of the groove is matched with the shape of the gear, so that when the leg is pulled, the protruding end of the gear abuts against the groove wall of the groove to limit the gear to rotate relative to the rotating portion.

8. The support frame according to claim 1, wherein the leg is connected to one end of the base body and is provided with a rotating portion, the gear is disposed on the rotating portion, the base body is provided with a plurality of accommodating grooves, the accommodating grooves are formed in the circumferential direction of the base body, the number of the accommodating grooves is matched with the number of the legs, the gear is accommodated in the accommodating grooves, the rotating portion is installed in the accommodating grooves, the shape of the accommodating grooves is matched with the shape of the rotating portion, and the rotating portion can pass through the accommodating grooves so that the legs can be switched to an unfolding state.

9. The support frame according to claim 6, wherein the rotating portion is provided with a rotating shaft, the rotating shaft is installed in the accommodating groove, the rotating portion is rotatably connected to the base body through the rotating shaft, and the rotating portion can rotate around the rotating shaft relative to the base body; the pedestal is provided with a plurality of holding cavities, and is a plurality of hold the cavity along the circumference interval of pedestal is arranged, and adjacent two hold the cavity and be located hold the relative both sides of groove, the pivot warp hold the cavity wear to locate in proper order the pedestal first tooth portion the rotation portion with the second tooth portion, just the relative both ends of pivot accomodate respectively in adjacent two hold the intracavity.

10. A support according to any one of claims 7 to 9, wherein the gear is detachably connected to the rotating portion.