CN215294265U - Lifting support - Google Patents

Abstract

The utility model discloses a lifting support, including support drain pan, sliding shaft, supporting legs, main support, fastening nut, lifting shaft, support top cap, clamping component, be equipped with first breach on the lateral wall of support drain pan, the lateral wall of main support lower extreme is equipped with the second breach that corresponds with first breach position and shape, the sliding shaft is at the inner chamber of support drain pan and the inner chamber up-and-down motion of main support, the supporting legs is installed on the sliding shaft and is stretched out from the through-hole that first breach and second breach formed, the sliding shaft up-movement or down-movement drive supporting legs make it be in support state and fold condition, the main support upper end is equipped with the external screw thread, the lifting shaft is at the inner chamber relative movement of main support, fastening nut's internal thread with the external screw thread fit of main support upper end is connected, lifting shaft connecting support top cap, lifting shaft connects clamping component. The utility model discloses conveniently carry, the support supporting legs planarization is good, and is firm reliable, uses easy operation convenience, and occupation space is little under the non-use state.

Description

Lifting support

Technical Field

The utility model relates to the technical field of supports, concretely relates to is a lifting support.

Background

The portable lifting support has the advantages that lifting support products are widely available on the market at present, the portable lifting support is convenient to move, a display and a tablet personal computer are used conveniently and often required to be matched with the lifting support for use, the lifting support is large in size and inconvenient to store and carry, the supporting legs of the portable lifting support are adopted to support the whole support and a machine, the supporting legs of a common support are fixed and can not be folded and folded, the size is large, the carrying is very inconvenient, and the occupied space is also large when the portable lifting support is not used. There is a need for a collapsible lifting frame that is both convenient to use and carry and that occupies little space when not in use.

Therefore, the lifting support is convenient to use and carry, and occupies a small space when not in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting support to solve and carry inconveniently, problem that occupation space is big under the user state not.

In order to achieve the above object, the utility model provides a following technical scheme:

a lifting support comprises a support bottom shell, a sliding shaft, supporting legs, a main support, a fastening nut, a lifting shaft, a support top cover and a clamping assembly, wherein the support bottom shell is connected with the main support, a first notch is formed in the side wall of the support bottom shell, a second notch corresponding to the position and the shape of the first notch is formed in the side wall of the lower end of the main support, the sliding shaft moves up and down in the inner cavity of the support bottom shell and the inner cavity of the main support, the supporting legs are installed on the sliding shaft and extend out of through holes formed by the first notch and the second notch, the sliding shaft moves up or down to drive the supporting legs to be in a supporting state and a folding state, external threads are formed in the upper end of the main support, the lifting shaft can move relatively in the inner cavity of the main support, and the internal threads of the fastening nut are matched and connected with the external threads in the upper end of the main support, the lifting shaft is connected with the support top cover and the clamping assembly.

Furthermore, a convex block is arranged on the sliding shaft, a first through hole is formed in the convex block, the supporting leg is provided with two convex parts, a concave part for accommodating the convex block is arranged between the two convex parts, the two convex parts are provided with first mounting holes corresponding to the first through hole in shape, size and position, and the sliding shaft and the supporting leg are connected with the first through hole in an installing mode through the supporting leg shaft in a penetrating mode.

Further, the inner chamber of support drain pan is equipped with projection and spacing step, the sliding shaft be equipped with the chamber portion of projection looks adaptation, the inner chamber of main support is equipped with the stopper, the spacing step of can conflicting during the sliding shaft downstream, the stopper of can conflicting during the upward movement.

Further, the lift epaxial end is equipped with rotatory fixed lid, and rotatory fixed lid rotates and is connected with the axis of rotation, is equipped with the spherical piece of spherical chamber and spherical chamber adaptation in the rotatory fixed lid, spherical piece and axis of rotation threaded connection, the support top cap is located rotatory fixed covering and is equipped with the second through-hole that can supply the axis of rotation to stretch out, and clamping component passes through clamping component fastening nut with the axis of rotation and is connected.

Furthermore, the rotary fixing cover is provided with a second mounting hole, the top cover of the bracket is provided with a mounting hole part corresponding to the position and the shape of the second mounting hole, and the second mounting hole is connected with the mounting hole part through a screw.

Furthermore, one surface of the supporting leg, which faces the main support, is provided with a smooth arc part, and the shape of the smooth arc part corresponds to the shape of the outer surface of the main support.

Furthermore, the number of the convex blocks is three, the convex blocks are uniformly arranged, and the number of the supporting legs which are correspondingly arranged with the convex blocks is three.

Further, the clamping assembly comprises a clamping main body, a left clamping arm and a right clamping arm, the left clamping arm and the right clamping arm are both provided with bending portions, and the left clamping arm and the right clamping arm are elastically installed on two sides of the clamping main body and can move oppositely or back to the clamping main body.

Furthermore, a rubber pad is arranged on the clamping main body.

Furthermore, grooves are formed in the left clamping arm and the right clamping arm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a lifting support, lifting support supporting legs drive with same axle, only need move a supporting legs when opening the supporting legs, drive other supporting legs through the sliding shaft up-movement and open, also only need move a supporting legs when not using need to receive up, drive other supporting legs through the sliding shaft down-movement and follow and pack up, can tighten up the support, through fastening nut screw and loosen the adjustment height, accomplish lifting support. The utility model discloses conveniently carry, the support supporting legs planarization is good, and is firm reliable, uses easy operation convenience, and occupation space is little under the non-use state, and is with low costs.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a folded state view of the present invention;

FIG. 3 is a supporting state diagram of the present invention;

fig. 4 is a perspective view of the present invention;

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 component, 11-first notch, 41-second notch, 12-convex column, 13-limit step, 61-rotary fixing cover, 611-spherical cavity, 612-spherical component, 62-rotating shaft, 71-second through hole, 613-second mounting hole, 72-mounting hole part, 63-fastening component fastening nut, 21-convex block, 22-first through hole, 31-convex part, 32-concave part, 33-first mounting hole, 34-supporting foot shaft, 81-clamping main body, 82-left clamping arm, 83-right clamping arm, 84-bent part, 85-rubber pad, 86-groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a lifting bracket, comprising: the support comprises a support bottom shell 1, a sliding shaft 2, a supporting leg 3, a main support 4, a fastening nut 5, a lifting shaft 6, a support top cover 7 and a clamping assembly 8, wherein the support bottom shell 1 is connected with the main support 4, a first notch 11 is arranged on the side wall of the support bottom shell 1, a second notch 41 corresponding to the position and the shape of the first notch 11 is arranged 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 leg 3 is rotatably arranged on the sliding shaft 2 and extends out from a 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 leg 3 to be in a supporting state and a folding state, an external thread is arranged at the upper end of the main support 4, the lifting shaft 6 can move relatively in the inner cavity of the main support 4, the fastening nut 5 is in matched connection with the external thread at the upper end of the main support 4, the fastening nut 5 is fixedly connected with the lifting shaft 6 and the main support 4, the lifting shaft 6 is connected with the support top cover 7, the lifting shaft 6 is connected with the clamping assembly 8, the supporting leg 3 rotates in a space of a through hole formed by the first notch 11 and the second notch 41, the through hole is rectangular, and when the supporting leg 3 is in a folded state, the supporting leg 3 abuts against the first notch 11; when the supporting leg 3 is in the supporting state, the supporting leg 3 abuts against the second notch 41. The supporting legs are fixedly connected with sliding shafts, cavity parts of the sliding shafts and the convex columns of the bottom shell of the support move back and forth relatively, when the sliding shafts move upwards, the other supporting legs are driven to be opened, and when the sliding shafts move downwards, the other supporting legs are driven to be contracted and folded. The supporting legs have fold condition and support state, and the supporting legs is connected with the sliding shaft, and the sliding shaft is used for controlling the supporting legs and is in fold condition and support state switch. The support bottom shell and the main support are fixed by screws, the sliding shaft moves up and down in a space formed by an inner cavity of the support bottom shell and an inner cavity of the main support, and the sliding shaft moves up or down to drive the support legs to be in a support state and a folded state; the lift axle can be at the inner chamber relative movement of main support, and when the crane removed suitable height, fastening nut was screwed up in manual rotation, fastening nut's internal thread and the external screw thread fit of main support upper end, and fastening nut screws, and fastening nut extrudees the main support upper end, and the lift axle is extruded to the main support upper end to fixed lift axle, the pine of unscrewing just can reciprocate the lift axle, adjustment height lift axle and then the adjustment clamping component height.

Further, in order to enable the sliding shaft to move downwards to drive other supporting legs to be folded, as shown in fig. 1, a convex block 21 is arranged on the sliding shaft 2, a first through hole 22 is formed in the convex block 21, the supporting leg 3 is provided with two convex portions 31, a concave portion 32 for accommodating the convex block 21 is arranged between the two convex portions 31, the two convex portions 31 are provided with first mounting holes 33 corresponding to the shape, size and position of the first through hole 22, and the sliding shaft 2 and the supporting leg 3 are connected with each other in an installation mode through the first mounting holes 33 and the first through hole 22 through a supporting leg shaft 34. The supporting legs of the lifting support are driven by the same shaft, only one supporting leg needs to be moved when the supporting legs are opened, other supporting legs are driven to be opened through upward movement of the sliding shaft, only one supporting leg needs to be moved when the lifting support is not used and needs to be folded, and other supporting legs are driven to be folded along with downward movement of the sliding shaft.

Further, in order to limit the vertical displacement of the sliding shaft, as shown in fig. 1 and 4, a convex column 12 and a limiting step 13 are arranged in an inner cavity of the bottom case 1 of the bracket, the sliding shaft 2 is provided with a cavity part matched with the convex column 12, a limiting block is arranged in the inner cavity of the main bracket 4, the sliding shaft 2 can abut against the limiting step 13 when moving downwards, and can abut against the limiting block when moving upwards. As shown in fig. 1, the aperture of the inner cavity of the bottom case of the bracket is smaller than the aperture of the side wall of the bottom case of the bracket, and the limit step is arranged between the apertures.

Further, in order to connect the lifting shaft and the clamping assembly and protect the connection, as shown in fig. 1 and 4, a rotary fixing cover 61 is provided at the upper end of the lifting shaft 6, the rotary fixing cover 61 is rotatably connected with a rotating shaft 62, a spherical cavity 611 and a spherical member 612 matched with the spherical cavity 611 are provided in the rotary fixing cover 61, the spherical member 612 is in threaded connection with the rotating shaft 62, the bracket top cover 7 is located on the rotary fixing cover 61 and provided with a second through hole 71 through which the rotating shaft 62 can extend, and the clamping assembly 8 is connected with the rotating shaft 62 through a clamping assembly fastening nut 63. The clamping assembly is connected with the lifting shaft through the rotating shaft and the clamping assembly fastening nut, and the rotating shaft is protected by the support top cover to prevent collision and damage. The rotation axis is connected with the spherical part, the spherical part is rotatably installed in the rotary fixing cover, the spherical part rotates to drive the rotation axis to rotate so as to rotate the clamping component, and after the clamping component is installed on electronic products such as mobile phones, the spherical part can be rotated by rotating the clamping component. And the clamping component fastening nut is connected with and fixes the rotating shaft and the clamping component by screwing.

Further, a second mounting hole 613 is formed in the rotation fixing cover 61, a mounting hole portion 72 corresponding to the second mounting hole 613 in position and shape is formed in the bracket top cover 7, and the second mounting hole 613 and the mounting hole portion 72 are connected by screws. As shown in fig. 1 and 4, the rotary fixing cover is protected by the support top cover to prevent collision and damage, and the support top cover is connected with the rotary fixing cover through screws to enable the installation to be more fixed.

Further, in order to reduce the space, one surface of the supporting foot 3 facing the main bracket is provided with a smooth arc part, and the shape of the smooth arc part corresponds to the shape of the outer surface of the main bracket 4. As shown in fig. 2, the shape of the rounded arc portion corresponds to the shape of the outer surface of the main support, and when the support leg is not in use, the rounded arc portion fits the outer surface of the main support, so that the occupied space is small, and the rounded arc portion can fit the outer surface of the main support completely or partially. The smooth arc part is attached to the outer surface of the main bracket, and the product is more attractive.

Further, as shown in fig. 3, in order to improve stability, there are three protrusions 21, the protrusions 21 are uniformly arranged, and there are three supporting legs 3 correspondingly installed to the protrusions 21. Triangle-shaped has stability, and three supporting legs have three, improves the stability that lifting support supported.

Further, as shown in fig. 1, a structure with a clamping function is provided, the clamping assembly 8 includes a clamping main body 81, a left clamping arm 82 and a right clamping arm 83, 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 two sides of the clamping main body 81 and can move relative to or away from the clamping main body 81. The left clamping arm and the right clamping arm move back to back by hand, the mobile display or the tablet computer is placed on the main body, the left clamping arm and the right clamping arm are released, the left clamping arm and the right clamping arm move relatively 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 the tablet computer.

Further, a rubber pad 85 is arranged on the clamping main body 81, and the rubber pad protrudes from the clamping main body to prevent the clamping main body from being scratched by a clamping device.

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 flat plates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A lifting bracket, comprising: the support structure comprises a support bottom shell (1), a sliding shaft (2), supporting legs (3), a main support (4), a fastening nut (5), a lifting shaft (6), a support top cover (7) and a clamping assembly (8), wherein the support bottom shell (1) is connected with the main support (4), a first notch (11) is arranged on the side wall of the support bottom shell (1), a second notch (41) corresponding to the position and the shape of the first notch (11) is arranged 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 legs (3) are installed on the sliding shaft (2) and extend out of through holes formed by the first notch (11) and the second notch (41), and the sliding shaft (2) moves up or down to drive the supporting legs (3) to be in a supporting state and a folding state, the lifting mechanism is characterized in that an external thread is arranged at the upper end of the main support (4), the lifting shaft (6) can move relatively in the inner cavity of the main support (4), the internal thread of the fastening nut (5) is matched and connected with the external thread at the upper end of the main support (4), the lifting shaft (6) is connected with the support top cover (7), and the lifting shaft (6) is connected with the clamping component (8).

2. The lifting bracket of claim 1, wherein: be equipped with lug (21) on sliding shaft (2), be equipped with first through-hole (22) on lug (21), supporting legs (3) are equipped with two convex parts (31), are equipped with between two convex parts (31) and hold concave part (32) of lug (21), two convex parts (31) be equipped with first through-hole (22) shape size and the corresponding first mounting hole (33) in position, sliding shaft (2) and supporting legs (3) pass first mounting hole (33) and first through-hole (22) erection joint through supporting legs axle (34).

3. Lifting support according to claim 1 or 2, characterized in that: the inner chamber of support drain pan (1) is equipped with projection (12) and spacing step (13), sliding shaft (2) be equipped with the chamber portion of projection (12) looks adaptation, the inner chamber of main support (4) is equipped with the stopper, can conflict spacing step (13) during sliding shaft (2) downstream, can conflict the stopper during upward movement.

4. The lifting bracket of claim 3, wherein: lifting shaft (6) upper end is equipped with rotatory fixed lid (61), and rotatory fixed lid (61) rotate and are connected with axis of rotation (62), are equipped with spherical chamber (611) and spherical chamber (611) spherical piece (612) of adaptation in the rotatory fixed lid (61), spherical piece (612) and axis of rotation (62) threaded connection, support top cap (7) are located on rotatory fixed lid (61) and are equipped with second through-hole (71) that can supply axis of rotation (62) to stretch out, and clamping component (8) are connected through clamping component fastening nut (63) with axis of rotation (62).

5. The lifting bracket of claim 4, wherein: the rotary fixing cover (61) is provided with a second mounting hole (613), the support top cover (7) is provided with a mounting hole part (72) corresponding to the second mounting hole (613) in position and shape, and the second mounting hole (613) is connected with the mounting hole part (72) through screws.

6. The lifting bracket of claim 3, wherein: one surface of the supporting leg (3) facing the main support (4) is provided with a smooth arc part, and the shape of the smooth arc part corresponds to the shape of the outer surface of the main support (4).

7. The lifting bracket of claim 2, wherein: the number of the convex blocks (21) is three, the convex blocks (21) are uniformly arranged, and the number of the supporting legs (3) correspondingly arranged with the convex blocks (21) is three.

8. The lifting bracket of claim 3, wherein: the clamping assembly (8) comprises a clamping main 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 respectively provided with a bending part (84), and the left clamping arm (82) and the right clamping arm (83) are elastically installed on two sides of the clamping main body (81) and can move relative to or back to the clamping main body (81).

9. The lifting bracket of claim 8, wherein: and a rubber pad (85) is arranged on the clamping main body (81).

10. The lifting bracket of claim 8, wherein: grooves (86) are formed in the left clamping arm (82) and the right clamping arm (83).

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