A lifting bracket

Abstract

The present invention discloses a lifting bracket, including a bracket bottom shell, a sliding shaft, a supporting foot, a main bracket, a fastening nut, a lifting shaft, a bracket top cover, and a clamping assembly. A first notch is provided on the side wall of the bracket bottom shell, and a second notch corresponding to the position and shape of the first notch is provided on the side wall of the lower end of the main bracket. The sliding shaft moves up and down in the inner cavity of the bracket bottom shell and the inner cavity of the main bracket. The supporting foot is installed on the sliding shaft and extends from the through hole formed by the first notch and the second notch. The sliding shaft moves up or down to drive the supporting foot to be in a supporting state and a folding state. An external thread is provided on the upper end of the main bracket. The lifting shaft moves relatively in the inner cavity of the main bracket. The internal thread of the fastening nut and the external thread on the upper end of the main bracket are matched and connected. The lifting shaft is connected to the bracket top cover, and the lifting shaft is connected to the clamping assembly. The present invention is easy to carry, the bracket supporting foot has good flatness, is firm and reliable, is simple and convenient to use, and occupies little space when not in use.

Description

Technical Field

[0001] The present invention relates to the technical field of brackets, and in particular to a lifting bracket. Background Art

[0002] There are many lifting brackets on the market. To facilitate the use of mobile monitors and tablet computers, lifting brackets are often used. The lifting brackets on the market are not only bulky but also inconvenient to store and carry. Portable lifting brackets use supporting feet to support the entire bracket and the machine. The supporting feet of ordinary brackets are fixed and cannot be folded up. They are bulky and very inconvenient to carry. They also take up a lot of space when not in use. Therefore, there is a need for a foldable lifting bracket that is easy to use and carry and takes up little space when not in use.

[0003] To this end, a lifting bracket is provided, which is convenient to use and carry and can be folded away and occupies little space when not in use. Summary of the invention

[0004] The object of the present invention is to provide a lifting bracket to solve the problems of being inconvenient to carry and occupying a large space when not in use.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The lifting bracket of claim 1, wherein the lifting bracket comprises a bracket bottom shell, a sliding shaft, a supporting foot, a main bracket, a fastening nut, a lifting shaft, a bracket top cover, and a clamping assembly, wherein the bracket bottom shell is connected to the main bracket, a first notch is provided on the side wall of the bracket bottom shell, and a second notch corresponding to the position and shape of the first notch is provided on the side wall of the lower end of the main bracket, the sliding shaft moves up and down in the inner cavity of the bracket bottom shell and the inner cavity of the main bracket, the supporting foot is installed on the sliding shaft and extends out from the through hole formed by the first notch and the second notch, the sliding shaft moves up or down to drive the supporting foot to be in a supporting state and a folding state, the upper end of the main bracket is provided with an external thread, the lifting shaft can move relatively in the inner cavity of the main bracket, the internal thread of the fastening nut and the external thread of the upper end of the main bracket are matched and connected, the lifting shaft is connected to the bracket top cover, and the lifting shaft is connected to the clamping assembly;

[0007] The sliding shaft is provided with a convex block, the convex block is provided with a first through hole, the supporting foot is provided with two convex parts, a concave part for accommodating the convex part is provided between the two convex parts, the two convex parts are provided with a first mounting hole corresponding to the shape, size and position of the first through hole, and the sliding shaft and the supporting foot are installed and connected by the supporting foot shaft passing through the first mounting hole and the first through hole;

[0008] The inner cavity of the bracket bottom shell is provided with a convex column and a limiting step, the sliding shaft is provided with a cavity portion adapted to the convex column, and the inner cavity of the main bracket is provided with a limiting block, and the sliding shaft will abut against the limiting step when moving downward, and will abut against the limiting block when moving upward;

[0009] A rounded arc portion is provided on one side of the support leg facing the main support, and the shape of the rounded arc portion corresponds to the shape of the outer surface of the main support.

[0010] Furthermore, a rotating fixed cover is provided at the upper end of the lifting shaft, and the rotating fixed cover is rotatably connected to the rotating shaft. A spherical cavity and a spherical part adapted to the spherical cavity are provided in the rotating fixed cover, and the spherical part is threadedly connected to the rotating shaft. The top cover of the bracket is located on the rotating fixed cover and is provided with a second through hole for the rotating shaft to extend out, and the clamping assembly is connected to the rotating shaft through a clamping assembly fastening nut.

[0011] Furthermore, the rotating fixed cover is provided with a second mounting hole, the bracket top cover is provided with a mounting hole portion corresponding to the position and shape of the second mounting hole, and the second mounting hole is connected to the mounting hole portion by screws.

[0012] Furthermore, there are three protrusions, the protrusions are evenly arranged, and there are three supporting feet installed corresponding to the protrusions.

[0013] Furthermore, the clamping assembly includes a clamping body, a left clamping arm and a right clamping arm, and the left clamping arm and the right clamping arm are both provided with a bending portion. The left clamping arm and the right clamping arm are elastically installed on both sides of the clamping body and can move relative to or away from the clamping body.

[0014] Furthermore, a rubber pad is provided on the clamping body.

[0015] Furthermore, grooves are provided on the left clamping arm and the right clamping arm.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention provides a lifting bracket, wherein the supporting feet of the lifting bracket are driven by the same shaft. When opening the supporting feet, only one supporting foot needs to be moved, and the other supporting feet are driven to open by the upward movement of the sliding shaft. When the supporting feet are not in use and need to be folded up, only one supporting foot needs to be moved, and the other supporting feet are driven to fold up by the downward movement of the sliding shaft. The bracket can be tightened, and the height can be adjusted by tightening and loosening the fastening nut to complete the lifting bracket. The present invention is easy to carry, the supporting feet of the bracket have good flatness, are firm and reliable, are simple and convenient to use, occupy little space when not in use, and have low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 An exploded view of the present invention;

[0019] Figure 2 It is a folding state diagram of the present invention;

[0020] Figure 3 It is a support state diagram of the present invention;

[0021] Figure 4 is a perspective view of the present invention;

[0022] In the figure: 1- bracket bottom shell, 2- sliding shaft, 3- supporting foot, 4- main bracket, 5- fastening nut, 6- lifting shaft, 7- bracket top cover, 8- clamping assembly, 11- first notch, 41- second notch, 12- boss, 13- limiting step, 61- rotating fixing cover, 611- spherical cavity, 612- spherical part, 62- rotating shaft, 71- second through hole, 613- second mounting hole, 72- mounting hole part, 63- fastening assembly fastening nut, 21- boss, 22- first through hole, 31- boss, 33- first mounting hole, 34- supporting foot shaft, 81- clamping body, 82- left clamping arm, 83- right clamping arm, 84- bending part, 85- rubber pad, 86- groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-4The present invention provides a lifting bracket, comprising: a bracket bottom shell 1, a sliding shaft 2, a supporting foot 3, a main bracket 4, a fastening nut 5, a lifting shaft 6, a bracket top cover 7, and a clamping assembly 8. The bracket bottom shell 1 is connected to the main bracket 4. A first notch 11 is provided on the side wall of the bracket bottom shell 1. A second notch 41 corresponding to the position and shape of the first notch 11 is provided on the side wall of the lower end of the main bracket 4. The sliding shaft 2 moves up and down in the inner cavity of the bracket bottom shell 1 and the inner cavity of the main bracket 4. The supporting foot 3 is rotatably mounted on the sliding shaft 2 and extends out from the through hole formed by the first notch 11 and the second notch 41. The sliding shaft 2 moves up or down to drive the supporting foot 3 to be in a In the supporting state and the folding state, the upper end of the main bracket 4 is provided with an external thread, the lifting shaft 6 can move relatively in the inner cavity of the main bracket 4, the internal thread of the fastening nut 5 is matched with the external thread of the upper end of the main bracket 4, the fastening nut 5 is fixedly connected to the lifting shaft 6 and the main bracket 4, the lifting shaft 6 is connected to the bracket top cover 7, the lifting shaft 6 is connected to the clamping assembly 8, the supporting foot 3 rotates in the space of the through hole formed by the first notch 11 and the second notch 41, and the through hole is rectangular. When the supporting foot 3 is in the folding state, the supporting foot 3 abuts the first notch 11; when the supporting foot 3 is in the supporting state, the supporting foot 3 abuts the second notch 41. The supporting foot is fixedly connected to the sliding shaft, and the cavity of the sliding shaft moves back and forth relatively with the convex column of the bracket bottom shell. When the sliding shaft moves upward, it drives other supporting feet to open, and when the sliding shaft moves downward, it drives other supporting feet to shrink and fold. The supporting foot has a folding state and a supporting state. The supporting foot is connected to the sliding shaft, and the sliding shaft is used to control the switching of the supporting foot between the folding state and the supporting state. Use screws to fix the bracket bottom shell and the main bracket. The sliding shaft moves up and down in the space formed by the inner cavity of the bracket bottom shell and the inner cavity of the main bracket. The sliding shaft moves up or down to drive the supporting feet to be in a supporting state and a folded state. The lifting shaft can move relatively in the inner cavity of the main bracket. When the lifting frame moves to an appropriate height, manually rotate and tighten the fastening nut. The internal thread of the fastening nut cooperates with the external thread of the upper end of the main bracket. Tighten the fastening nut. The fastening nut squeezes the upper end of the main bracket. The upper end of the main bracket squeezes the lifting shaft, thereby fixing the lifting shaft. Loosening it can move the lifting shaft up and down, adjust the height of the lifting shaft and then adjust the height of the clamping assembly.

[0025] Furthermore, in order to make the sliding shaft move downward and drive other supporting feet to be retracted, Figure 1As shown, the sliding shaft 2 is provided with a protrusion 21, the protrusion 21 is provided with a first through hole 22, the support foot 3 is provided with two protrusions 31, a concave portion for accommodating the protrusion 21 is provided between the two protrusions 31, the two protrusions 31 are provided with a first mounting hole 33 corresponding to the shape, size and position of the first through hole 22, and the sliding shaft 2 and the support foot 3 are installed and connected through the support foot shaft 34 passing through the first mounting hole 33 and the first through hole 22. The support feet of the lifting bracket are driven by the same shaft. When opening the support feet, only one support foot needs to be moved, and the other support feet are driven to open by the upward movement of the sliding shaft. When it is not used and needs to be folded up, only one support foot needs to be moved, and the other support feet are driven to follow and fold up by the downward movement of the sliding shaft.

[0026] Furthermore, in order to limit the up and down displacement of the sliding shaft, as Figure 1 and Figure 4 As shown, the inner cavity of the bracket bottom shell 1 is provided with a convex column 12 and a limiting step 13, the sliding shaft 2 is provided with a cavity portion adapted to the convex column 12, and the inner cavity of the main bracket 4 is provided with a limiting block. When the sliding shaft 2 moves downward, it will abut against the limiting step 13, and when it moves upward, it will abut against the limiting block. Figure 1 As shown, the aperture of the inner cavity of the bracket bottom shell is smaller than the aperture of the side wall of the bracket bottom shell, and the limiting step is between them.

[0027] Further, in order to connect the lifting shaft and the clamping assembly and protect the connection at the same time, as Figure 1 and Figure 4 As shown, the upper end of the lifting shaft 6 is provided with a rotating fixed cover 61, and the rotating fixed cover 61 is rotatably connected with a rotating shaft 62. A spherical cavity 611 and a spherical member 612 adapted to the spherical cavity 611 are provided in the rotating fixed cover 61, and the spherical member 612 is threadedly connected with the rotating shaft 62. The bracket top cover 7 is located on the rotating fixed cover 61 and is provided with a second through hole 71 for the rotating shaft 62 to extend out, and the clamping assembly 8 is connected with the rotating shaft 62 through the clamping assembly fastening nut 63. The clamping assembly is connected to the lifting shaft through the rotating shaft and the clamping assembly fastening nut, and the bracket top cover protects the rotating shaft to prevent damage from collision. The rotating shaft is connected to the spherical member, and the spherical member is rotatably installed in the rotating fixed cover. The rotation of the spherical member drives the rotating shaft to rotate and then the clamping assembly can be rotated. After the mobile phone and other electronic products are placed in the clamping assembly, the spherical member can be rotated by rotating the clamping assembly. The clamping assembly fastening nut is connected and fixed to the rotating shaft and the clamping assembly by tightening.

[0028] Furthermore, the rotating fixed cover 61 is provided with a second mounting hole 613, and the bracket top cover 7 is provided with a mounting hole portion 72 corresponding to the position and shape of the second mounting hole 613, and the second mounting hole 613 is connected to the mounting hole portion 72 by screws. Figure 1 and Figure 4As shown, the bracket top cover protects the rotating fixed cover to prevent damage from bumps, and the bracket top cover and the rotating fixed cover are screwed together to make the installation more secure.

[0029] Furthermore, in order to reduce space, the support leg 3 is provided with a rounded portion on one side facing the main bracket, and the shape of the rounded portion corresponds to the shape of the outer surface of the main bracket 4. Figure 2 As shown, the shape of the rounded part corresponds to the shape of the outer surface of the main bracket. When not in use, the support legs are folded, and the rounded part fits the outer surface of the main bracket, occupying a small space. The rounded part can fit the outer surface of the main bracket completely or partially. The rounded part fits the outer surface of the main bracket and makes the product more beautiful.

[0030] Furthermore, if Figure 3 As shown, in order to improve stability, there are three protrusions 21, the protrusions 21 are evenly arranged, and there are three supporting feet 3 installed corresponding to the protrusions 21. The triangle has stability, and the three supporting feet have three, which improves the stability of the lifting bracket support.

[0031] Furthermore, if Figure 1 As shown, a structure with a clamping function is provided, wherein the clamping assembly 8 comprises a clamping body 81, a left clamping arm 82 and a right clamping arm 83, wherein the left clamping arm 82 and the right clamping arm 83 are both provided with a bending portion 84, and the left clamping arm 82 and the right clamping arm 83 are elastically mounted on both sides of the clamping body 81 and can move relative to or away from the clamping body 81. The left clamping arm and the right clamping arm are moved away from each other by hand, and a mobile display or tablet computer is placed on the body, and the left clamping arm and the right clamping arm are released, and the left clamping arm and the right clamping arm move relative to each other under the action of elastic structural members such as springs, and the left clamping arm and the right clamping arm clamp the mobile display or tablet computer.

[0032] Furthermore, a rubber pad 85 is provided on the clamping body 81, and the rubber pad protrudes from the clamping body to prevent being scratched by the clamping device.

[0033] Furthermore, the left clamping arm 82 and the right clamping arm 83 are both provided with grooves 86, and the grooves on the side clamping arms can clamp electronic devices such as tablets.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting bracket, characterized in that: include: A support bottom shell (1), a sliding shaft (2), a supporting foot (3), a main support (4), a fastening nut (5), a lifting shaft (6), a support top cover (7), and a clamping assembly (8); the support bottom shell (1) is connected to the main support (4); a first notch (11) is provided on the side wall of the support bottom shell (1); a second notch (41) corresponding to the position and shape of the first notch (11) is provided on the side wall of the lower end of the main support (4); the sliding shaft (2) moves up and down in the inner cavity of the support bottom shell (1) and the inner cavity of the main support (4); the supporting foot (3) is installed in the inner cavity of the support bottom shell (1) and the inner cavity of the main support (4); The sliding shaft (2) extends out from a through hole formed by the first notch (11) and the second notch (41); the sliding shaft (2) moves upward or downward to drive the supporting foot (3) to be in a supporting state and a folded state; an external thread is provided at the upper end of the main bracket (4); the lifting shaft (6) can move relatively in the inner cavity of the main bracket (4); the internal thread of the fastening nut (5) and the external thread at the upper end of the main bracket (4) are connected in a cooperative manner; the lifting shaft (6) is connected to the bracket top cover (7); and the lifting shaft (6) is connected to the clamping assembly (8); The sliding shaft (2) is provided with a protrusion (21), the protrusion (21) is provided with a first through hole (22), the supporting foot (3) is provided with two protrusions (31), a recess for accommodating the protrusion (21) is provided between the two protrusions (31), the two protrusions (31) are provided with a first mounting hole (33) corresponding to the shape, size and position of the first through hole (22), and the sliding shaft (2) and the supporting foot (3) are installed and connected via a supporting foot shaft (34) passing through the first mounting hole (33) and the first through hole (22); The inner cavity of the bracket bottom shell (1) is provided with a convex column (12) and a limiting step (13), the sliding shaft (2) is provided with a cavity portion adapted to the convex column (12), and the inner cavity of the main bracket (4) is provided with a limiting block, and the sliding shaft (2) will abut against the limiting step (13) when moving downward, and will abut against the limiting block when moving upward; A smooth arc portion is provided on a side of the support leg (3) facing the main bracket (4), and the shape of the smooth arc portion corresponds to the shape of the outer surface of the main bracket (4).

2. The lifting bracket according to claim 1, characterized in that: The upper end of the lifting shaft (6) is provided with a rotating fixed cover (61), the rotating fixed cover (61) is rotatably connected to the rotating shaft (62), a spherical cavity (611) and a spherical member (612) adapted to the spherical cavity (611) are provided in the rotating fixed cover (61), the spherical member (612) is threadedly connected to the rotating shaft (62), the bracket top cover (7) is located on the rotating fixed cover (61) and is provided with a second through hole (71) through which the rotating shaft (62) can extend, and the clamping assembly (8) is connected to the rotating shaft (62) via a clamping assembly fastening nut (63).

3. The lifting bracket according to claim 2, characterized in that: The rotating fixed cover (61) is provided with a second mounting hole (613), the bracket top cover (7) is provided with a mounting hole portion (72) corresponding in position and shape to the second mounting hole (613), and the second mounting hole (613) and the mounting hole portion (72) are connected by screws.

4. The lifting bracket according to claim 1, characterized in that: There are three protrusions (21), the protrusions (21) are evenly arranged, and there are three supporting feet (3) installed corresponding to the protrusions (21).

5. The lifting bracket according to claim 1, characterized in that: The clamping assembly (8) comprises a clamping body (81), a left clamping arm (82) and a right clamping arm (83), wherein the left clamping arm (82) and the right clamping arm (83) are both provided with a bending portion (84), and the left clamping arm (82) and the right clamping arm (83) are elastically mounted on both sides of the clamping body (81) and can move relative to or away from the clamping body (81).

6. The lifting bracket according to claim 5, characterized in that: A rubber pad (85) is provided on the clamping body (81).

7. The lifting bracket according to claim 5, characterized in that: A groove (86) is provided on the left clamping arm (82) and the right clamping arm (83).

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