CN217951791U - Liftable and foldable desktop support - Google Patents

Abstract

The utility model provides a liftable and foldable desktop support, which is characterized by comprising a base, a support rod, a lifting bracket and a lifting bracket, wherein one end of the support rod is rotationally connected on the base, and one end of the lifting bracket is rotationally connected on the base, so that different opening and closing angles are realized; the lifting support is connected to the lifting bracket through a sliding structure, the height of the lifting bracket is adjusted up and down, and when the lifting support is adjusted to the lowest position, the supporting rod, the lifting bracket and the lifting support can be completely pressed into the inner frame of the base through rotating the lifting bracket. The height and the angle of the elastic component are adjusted according to the use requirements of users, and all the components are automatically gathered in the frame of the base based on the reset elasticity of the elastic component when the device is not used, so that the ultra-thin design of the whole product is realized, and meanwhile, the positioning after the user is adjusted is stable, and the device is convenient for the users to use.

Description

Liftable and foldable desktop support

Technical Field

The utility model relates to an electronic product uses the auxiliary assembly field, especially relates to a liftable folding desktop support.

Background

Electronic products such as mobile phones and tablet computers have become essential for daily life, and the daily use time and frequency of users are increasing. In order to facilitate the use of users, various auxiliary fixing devices are provided, including a protective sleeve, a mobile phone support, a panel support and the like, for clamping and supporting mobile phones or panels and other desktop products with screens, but the existing supports may have simple and fixed structures, cannot meet the requirements of users for different angles and different heights, also may have complicated structures designed for the requirements of users for facilitating different angles and heights of users, and have the problems of complicated support structures, large size, inconvenient carrying of the supports and the like.

SUMMERY OF THE UTILITY MODEL

To the defects, the utility model aims to solve the problem that how to satisfy the desktop support structure which is convenient for users to adjust and has simple structure.

In order to solve the problems, the utility model provides a liftable and foldable desktop support which is characterized by comprising a base, a support rod, a lifting bracket and a lifting bracket, wherein one end of the support rod is rotationally connected to the base, and one end of the lifting bracket is rotationally connected to the base, so that different opening and closing angles are realized; the lifting support is connected to the lifting bracket through a sliding structure, the height of the lifting support can be adjusted up and down along the lifting bracket, and when the lifting support is adjusted to the lowest position, the supporting rod, the lifting bracket and the lifting support can be completely pressed into the inner frame of the base through rotating the lifting bracket.

Liftable folding desktop support, its characterized in that the whole of lift bracket is rectangular frame structure, bilateral symmetry is equipped with the slumping groove, the lift bracket is whole rectangular frame, the assorted opening spout has been seted up according to the size matching of lift bracket in the middle, the interior bilateral symmetry of opening spout is equipped with the slumping bead of class wave or discontinuous wave shape, the lift bracket inserts from opening spout one end, the slumping bead just in time can freely slide into the slumping groove, the slumping groove left and right sides all is equipped with respectively the slumping elastomeric element who matches with the slumping bead for fix a position lift bracket.

The liftable and foldable desktop support is characterized in that a sliding gear elastic part is a sliding gear nylon spring, the sliding gear nylon spring is integrally made of a metal pipe with rigidity strength, at least one arc-shaped convex part is arranged in the middle of the metal pipe, the waveform of the arc-shaped convex part is matched with a sliding gear convex edge, two ends of the metal pipe are bent inwards towards the other side of the arc-shaped convex part respectively to form an elastic bending part, the elastic bending part is bent basically to be parallel to a metal pipe main body, the two inward-bent end parts are bent again to enable the end parts to be basically vertical to the metal pipe main body, two positioning ends are formed, and the distance between the two positioning ends is matched with a sliding gear nylon spring positioning hole in a sliding gear groove.

The liftable folding desktop support is characterized in that two lifting locking holes are further formed in the middle upper portion of the lifting bracket, the lifting locking holes are arranged in a bilateral symmetry mode, after the lifting bracket is pressed into the lifting bracket, lifting locking nails are pressed into the lifting locking holes respectively, the first protruding portion of the sliding gear protruding edge located at the end portion of the opening is a positioning protruding portion, protruding portions of other portions are sliding protruding portions, the height of the positioning protruding portion is higher than that of the sliding protruding portion, and the lifting locking nails and the sliding protruding portions are arranged basically in a tangent mode.

The lifting and folding desktop support is characterized by further comprising two support supporting hands symmetrically arranged on the lifting support, wherein the support supporting hands are connected to the lifting support in a rotating mode through one end, and the fixed angle between the support supporting hands and the lifting support is adjustable.

Liftable folding desktop support, its characterized in that the middle part at the back of lifting bracket evenly is equipped with angle positioning groove more than 2 along vertical, the middle part of the opposite side of bracing piece 12 is equipped with the angle positioning convex part, and the angle positioning convex part matches the setting with angle positioning groove, when opening lifting bracket to required angle through external force, aims at corresponding angle positioning groove with the angle positioning convex part of bracing piece, realizes supporting lifting bracket and fixes required angular position.

The technical scheme of the utility model simple 3 elastomeric element have been adopted and have been realized that height and angle all can be adjusted according to user's use needs to in the frame of all automatic bringing together all parts when not using, realize whole product ultra-thin design, the location after the user adjustment is firm simultaneously, convenience of customers uses based on elastomeric element's elasticity that resets equally.

Drawings

FIG. 1 is a perspective view of a stand of a foldable tabletop capable of being lifted and lowered;

FIG. 2 is a side view of the liftable and foldable table top stand in use;

FIG. 3 is an exploded view of a foldable table top stand that can be lifted;

FIG. 4 is a schematic view of an embodiment of a lifting bracket;

FIG. 5 is a schematic view of an embodiment of a lifting bracket;

FIG. 6 is a schematic view of the assembly of the lifting bracket with the lifting bracket;

FIG. 7 is a schematic view of the lift lock assembly;

FIG. 8 is a schematic view illustrating the principle of the lifting pin;

FIG. 9 is an exemplary illustration of a slip damping spring;

FIG. 10 is a schematic view of the stand support;

FIG. 11 is a schematic view of the bracket after installation;

FIG. 12 is a schematic view of an angular adjustment implementation;

FIG. 13 is a schematic view of the bracket holder automatically furled;

fig. 14 is a schematic view of the stand of the foldable table top being able to be lifted and lowered.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

FIG. 1 is a schematic perspective view of a stand of a foldable tabletop capable of being lifted and lowered in use, and FIG. 2 is a side view of the stand of the foldable tabletop capable of being lifted and lowered in use; fig. 3 is an exploded view of a liftable and foldable desktop stand. The embodiment of the liftable folding table top comprises a lifting support non-slip mat 1, a lifting lock pin 2, a sliding gear damping spring 3, a lifting bracket 4, an automatic folding spring 5, a lifting bracket non-slip mat 6, a lifting support 7, a support hand supporting rotating shaft 8, a support hand supporting spring 9, a support hand supporting 10, a hand supporting non-slip mat 11, a support rod 12, a base 13, a support rod rotating shaft 14, a lifting bracket rotating shaft 15 and a base non-slip mat 16.

Fig. 4 is a schematic view of an embodiment of a lifting bracket, fig. 5 is a schematic view of an embodiment of a lifting bracket, fig. 6 is a schematic view of an assembly of a lifting bracket and a lifting bracket, one core function of a desktop bracket is to realize height adjustment of a desktop, which is mainly realized by the lifting bracket 4 and the lifting bracket 7, a bracket holder 10 is arranged on the lifting bracket 7, desktop products such as mobile phones or tablets can be placed on the bracket holder 10, the lifting bracket 7 can slide up and down along the lifting bracket 4, and the lifting bracket 7 can be fixed at a required height when an external force is removed. One end of the lifting bracket 4 is fixed on the base through a rotating shaft of the lifting bracket, and the opening and closing angle can be rotated through the rotating shaft of the lifting bracket. The whole lifting bracket 4 is of a rectangular frame structure, sliding gear grooves 4-1 are symmetrically arranged on the left side and the right side of the lifting bracket 4, the whole lifting support 7 is of a rectangular frame, an opening sliding groove matched with the lifting bracket 4 is formed in the middle of the lifting bracket, wavelike or discontinuous wavelike sliding gear convex edges 7-1 are symmetrically arranged on the inner two sides of the opening sliding groove, the lifting bracket 4 is inserted from one end of the opening sliding groove, the sliding gear convex edges can just freely slide into the sliding gear grooves, and the lifting bracket 4 is limited to only slide on the opening sliding groove. In order to realize positioning, at least one sliding gear position damping spring is arranged in the sliding gear groove, a sliding gear position damping spring positioning hole is arranged on the sliding gear groove, at least one positioning end is arranged on the sliding gear position damping spring, two ends of the sliding gear position damping spring are generally folded out to form two positioning ends, the two ends of the sliding gear position damping spring are pressed into the sliding gear groove, and the sliding gear position damping spring is fixed along the direction of the sliding gear groove due to the limitation of the positioning ends; the front surface of the sliding gear damping spring is at least provided with a positioning convex part matched with the waveform of the sliding gear convex edge 7-1, the sliding gear damping spring is bent at the end part and packaged at two end part positions for circular arc transition, and the convex part of the sliding gear damping spring has a certain elastic stroke. When the height of the lifting support 7 needs to be adjusted, the lifting support 7 can be moved only by pulling up or pressing down the lifting support upwards or downwards with force and overcoming the elasticity of the sliding gear damping spring, when the external force is removed, the lifting support 7 stops up and down movement of the sliding gear convex edge due to the positioning convex part of the sliding gear damping spring, and the up-and-down adjustable effect can be achieved through 3 simple components.

FIG. 7 is a schematic view of the assembly of the lift lock and FIG. 8 is a schematic view illustrating the principle of the lift lock pin; in order to prevent a user from pulling a lifting support 7 away from a lifting bracket 4 in an adjusting process due to improper operation, two lifting locking holes 4-2 are further arranged at the middle upper part of the lifting bracket 4 and are arranged in bilateral symmetry, after the lifting support 7 is pressed into the lifting bracket 4, lifting locking nails 2 are respectively pressed into the lifting locking holes, the first convex part of a sliding gear convex edge 7-1 at the end part of an opening is a positioning convex part 7-1A, the convex parts at other parts are sliding convex parts 7-1B, the height of the positioning convex part is higher than that of the sliding convex part, the lifting locking nails 2 are basically tangent to the sliding convex part, the sliding convex part can freely move without being influenced by the lifting locking nails, the positioning convex part cannot continuously move upwards due to the limitation of the lifting locking nails, and the stroke for limiting the up-down height adjustment is actually realized.

Fig. 9 is a diagram of an embodiment of a sliding damper position damper spring, which is made of a metal pipe with a rigid strength, at least one arc-shaped convex portion 3-1 is arranged in the middle of the metal pipe, the waveform of the arc-shaped convex portion is matched with the sliding damper convex ridge 7-1, so as to ensure the stability of the damper position, two ends of the metal pipe are respectively bent inwards towards the other side of the arc-shaped convex portion to form an elastic bent portion 3-2, the metal pipe is bent to be basically parallel to the metal pipe main body, the arc-shaped convex portion has a certain elastic stroke towards the other side due to the existence of the bent portion, the two ends bent inwards are bent to enable the ends to be basically vertical to the metal pipe main body, so as to form two positioning ends 3-3, and the distance between the two positioning ends is matched with the positioning holes of the sliding damper position damper spring on the sliding damper groove.

Fig. 10 is a schematic structural view of a bracket support hand, fig. 11 is a schematic structural view of the bracket support hand after installation, the bracket support hand 10 is a main component for realizing lifting of a desktop product, the bracket support hand 10 needs to be unfolded only when in use, a certain included angle exists on the plane where the lifting bracket 7 is located, and a matched bracket support installation groove 7-2 is arranged on the installation part of the bracket support hand 10 of the lifting bracket 7. The support bracket 10 comprises a supporting platform part 10-1, a stop end 10-2 with the end part higher than the supporting platform part, a bracket rotating shaft hole 10-3, a support bracket hand supporting spring 9 and a furling auxiliary arm 10-4, wherein a support bracket hand supporting rotating shaft hole 7-2A and a furling auxiliary arm groove 7-2B are arranged on a bracket mounting groove 7-2. A first positioning hole of a bracket hand-supporting spring is arranged on the bracket hand-supporting 10, and a second positioning hole of the bracket hand-supporting spring is arranged on the hand-supporting mounting groove 7-2; the support bracket hand 10 is arranged on the support bracket mounting groove 7-2 through a support bracket hand rotating shaft, two fixed ends of a support bracket hand spring 9 are respectively arranged on a first positioning hole of the support bracket hand spring and a second positioning hole of the support bracket hand spring, when no external force exists, the support bracket hand 10 is propped open to form a certain included angle with the plane where the lifting bracket 7 is located due to the action of the support bracket hand spring 9, a desktop product is placed on the supporting platform part, the desktop product can be firmly placed on the lifting bracket 7 due to the limitation of the stop end 10-2, and in order to further improve the stability, the lifting bracket anti-skid pad 6 made of a silica gel material can be arranged on the lifting bracket 7.

Fig. 12 is a schematic view of the implementation of the angle adjustment, which is actually needed to implement the angle adjustment in addition to the height adjustment. One end of a lifting bracket 4 is fixed on a base 13 through a lifting bracket rotating shaft, specifically, a lifting bracket rotating shaft hole 13-1 is arranged on the base 13, the lifting bracket rotating shaft penetrates through one end of the lifting bracket 4 to fix the lifting bracket 4 on the base 13, an automatic folding spring first positioning hole is also arranged on the base 13, an automatic folding spring second positioning hole is arranged on the lifting bracket 4, the lifting bracket 4 is automatically folded on the surface of the base 13 after the automatic folding spring is installed without external force, the lifting bracket 4 can rotate along the lifting bracket rotating shaft through the external force, more than 2 angle positioning grooves 4-2 are uniformly arranged in the middle of the back surface of the lifting bracket 4 along the vertical direction in order to realize angle fixation, a supporting rod 12 fixed on the base through the supporting rod rotating shaft is further arranged on the base 13, an angle positioning convex part 12-1 is arranged in the middle of the other side of the supporting rod 12, the angle positioning convex part is matched with the angle positioning groove 4-3, and when the lifting bracket 4 is opened to a required angle by the external force, the angle positioning convex part 12-3 is aligned with the corresponding angle positioning groove 4-3, and simultaneously, the supporting position of the lifting bracket 4 is automatically folded to be fixed to a required angle. When the supporting rod 12 is separated from the angle positioning groove 4-3, the lifting bracket 4 can be automatically folded on the base 13, in order to fold on the same plane, a groove which is consistent with the outer frame of the lifting bracket 4 is formed on the base 13, the lifting bracket is completely folded into the base 13 when not in use, and the ultrathin effect is realized.

Fig. 13 is a schematic view of an automatic furling implementation of a support bracket hand, fig. 14 is a schematic view of furling of a support of a liftable folding desktop, in order to implement automatic furling of the support bracket hand 10, a matching automatic furling inclined plane 13-2 is arranged at the position of a furling auxiliary arm 10-4 of a base, and the maximum value of an automatic board furling included angle Q when the furling auxiliary arm 10-4 just touches the automatic furling inclined plane 13-2 is less than 90 degrees, so that when the support of a support rod 12 is removed, a lifting bracket 4 is automatically pressed into the base, and meanwhile, the support bracket hand 10 also drives the support bracket hand 10 to rotate along the direction indicated by C due to the stress of the furling auxiliary arm 10-4 and is pressed into a support bracket mounting groove 7-2 of the lifting bracket 4 to rotate along the direction indicated by D.

When the lifting bracket is required to be used, the lifting bracket 4 is only required to be rotated to a proper angle by force, the supporting rod 12 is adopted to support a fixed angle, and the height of the lifting bracket 7 is further adjusted according to the requirement. Therefore, the lifting operation is very convenient, and especially when the lifting device needs to be stored after being used, the lifting device can be automatically and completely stored in the base, the whole lifting device is minimum in size, and the lifting device is convenient to store and carry.

In order to further improve the stability in use, 1 or more base anti-skid pads can be additionally arranged at the bottom of the base according to the requirement, and hand-supporting anti-skid pads can also be additionally arranged, wherein the anti-skid pads are generally made of silica gel materials; various rotating shafts and springs are generally made of stainless steel materials, and the frame of the bracket and the like are generally made of aluminum alloy materials.

While the invention has been described with reference to a particular embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A lifting and folding desktop support is characterized by comprising a base, a supporting rod, a lifting bracket and a lifting support, wherein one end of the supporting rod is rotatably connected to the base, and one end of the lifting bracket is rotatably connected to the base, so that different opening and closing angles are realized; the lifting support is connected to the lifting bracket through a sliding structure, the height of the lifting bracket is adjusted up and down, and when the lifting support is adjusted to the lowest position, the supporting rod, the lifting bracket and the lifting support can be completely pressed into the inner frame of the base through rotating the lifting bracket.

2. The table top support capable of being lifted and folded according to claim 1, wherein the lifting bracket is a rectangular frame structure, slide grooves are symmetrically formed on the two sides of the lifting bracket, the lifting bracket is a rectangular frame structure, the middle of the lifting bracket is provided with a matched opening sliding groove according to the size of the lifting bracket, wave-shaped or discontinuous wave-shaped slide convex ribs are symmetrically formed on the two inner sides of the opening sliding groove, the lifting bracket is inserted from one end of the opening sliding groove, the slide convex ribs just can freely slide into the slide grooves, and slide elastic members matched with the slide convex ribs are respectively arranged on the left side and the right side of the slide groove and used for positioning the lifting bracket.

3. The liftable and foldable desktop support of claim 2, wherein the slide elastic component is a slide damping spring, the slide damping spring is integrally made of a metal tube with rigidity strength, the middle of the metal tube is provided with at least one arc-shaped convex part, the waveform of the arc-shaped convex part is matched with the slide rib, two ends of the metal tube are respectively bent inwards towards the other side of the arc-shaped convex part to form an elastic bending part, the elastic bending part is bent to be basically parallel to the metal tube body, the two inward-bent end parts are bent to make the end parts and the metal tube body basically form a vertical state to form two positioning ends, and the distance between the two positioning ends is matched with the slide damping spring positioning holes on the slide groove.

4. A foldable and liftable tabletop support according to claim 3, wherein two lifting locking holes are further formed in the middle upper portion of the lifting bracket, the lifting locking holes are symmetrically arranged, after the lifting bracket is pressed into the lifting bracket, lifting locking nails are respectively pressed into the lifting locking holes, the first convex portion of the sliding block protruding rib at the end of the opening is a positioning convex portion, the convex portions at other portions are sliding convex portions, the height of the positioning convex portion is higher than that of the sliding convex portion, and the lifting locking nails and the sliding convex portions are substantially tangent.

5. The liftable and foldable desktop support of claim 4, further comprising two support holders symmetrically arranged on the lifting support, wherein the support holders are rotatably connected to the lifting support through one end, and the fixed angle between the support holders and the lifting support is adjustable.

6. The liftable and foldable desktop support of claim 5, wherein the middle portion of the back surface of the lifting bracket is uniformly provided with more than 2 angle positioning grooves along the vertical direction, the middle portion of the other side of the support rod is provided with angle positioning protrusions, the angle positioning protrusions and the angle positioning grooves are arranged in a matching manner, when the lifting bracket is unfolded to a desired angle by an external force, the angle positioning protrusions of the support rod are aligned with the corresponding angle positioning grooves, and the lifting bracket is supported and fixed to the desired angle position.

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