CN219282806U - Telescopic foot rest and interactive flat-plate installation assembly - Google Patents

Abstract

The utility model discloses a telescopic foot rest and an interactive flat plate installation component, and belongs to the technical field of electronic equipment. The telescopic foot rest comprises a foot rest assembly and a telescopic frame, wherein the foot rest assembly comprises a first foot, a second foot and clamping structures respectively arranged on the two feet, and the clamping structures are used for providing mounting positions of display equipment; the expansion bracket is arranged between the two support legs and comprises a first bracket body, the first bracket body comprises a plurality of first rod bodies which are hinged and matched, two ends of the first bracket body are respectively hinged with the support legs, and the expansion bracket can extend or retract along the x direction. In the interactive flat board installation component, an interactive flat board is hung on a foot rest through a wall hanging component. The foot rest is used for adjusting the span between the support legs through shrinkage so as to adapt to display equipment models with different sizes, or is convenient to store, and is simple and convenient to operate, and the occupied space in a use state and a storage state can be reduced. The interactive flat panel installation component is attractive in appearance and reduces space waste.

Description

Telescopic foot rest and interactive flat-plate installation assembly

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a telescopic foot rest and an interactive flat panel installation component.

Background

The foot rest can be used as a supporting device of display equipment such as an interactive intelligent panel and the like. The stand may be used to support the display device while the display device is stored and tested. The support legs are arranged on two sides of the foot rest to serve as main hanging components, and in order to adapt to display equipment with more sizes, the distance between the support legs on two sides of the foot rest is designed to be larger, and the whole width of the foot rest is designed to be larger.

However, the whole structure of the foot rest is large, the foot rest occupies large space when in idle, and is not easy to store, and if the foot rest is disassembled for storage, the situation that parts are lost easily occurs; and, the whole width of foot rest is greater than the whole appearance width to the model of some display device can appear, both influence pleasing to the eye, also cause the space waste.

Disclosure of Invention

One of the purposes of the embodiments of the present utility model is: the telescopic foot rest can be extended or contracted according to the requirements, so that the space utilization rate is improved.

The second object of the embodiment of the utility model is that: an interactive tablet mounting assembly is provided that avoids a span between a first leg and a second leg of a foot rest that is greater than a width of an interactive tablet.

In order to achieve one of the above purposes, the present utility model adopts the following technical scheme:

a retractable foot rest comprising:

a leg assembly including a plurality of legs; the plurality of the support legs comprise a first support leg and a second support leg; the first support leg and the second support leg are arranged along the x direction; the support legs are provided with clamping structures which provide mounting positions of the display equipment;

the telescopic frame is arranged between the first support leg and the second support leg; the telescopic frame comprises a first frame body, wherein the first frame body comprises a plurality of first rod bodies arranged along the x direction, and the adjacent first rod bodies are hinged; opposite ends of the first frame body are respectively hinged with the first support leg and the second support leg; the telescopic frame can extend or retract along the x direction.

In order to achieve the second purpose, the utility model adopts the following technical scheme:

an interactive flat panel installation component comprises an interactive flat panel, a wall hanging member and a telescopic foot rest according to the technical scheme; the interaction panel is connected with the wall hanging member; the wall hanging member is clamped with the clamping structure, and the interaction flat plate is installed on the foot rest.

The beneficial effects of the utility model are as follows: the foot rest can be stretched and contracted according to the requirements, and has simple structure and simple and convenient operation; when the telescopic frame is contracted, the foot rest occupies small space, is convenient to store, and can reduce the packaging cost; when the foot rest is applied, the foot rest can be adapted to display equipment with various sizes, and the universality is strong.

The interactive flat plate installation component can avoid that the span between the first support leg and the second support leg of the foot rest is larger than the width of the interactive flat plate, avoid space waste and promote the attractiveness of the interactive flat plate installation.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

FIG. 1 is a schematic view of a first angle of a stand according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a portion of a stand according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a second angle of the stand according to the embodiment of the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3;

fig. 5 is a schematic structural diagram of a clamping structure according to an embodiment of the present utility model;

fig. 6 is a schematic view of a part of a wall hanging member according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a third angle of the stand according to the embodiment of the present utility model;

fig. 8 is an enlarged view of a portion B in fig. 7;

fig. 9 is an enlarged view of a portion C in fig. 7;

FIG. 10 is a schematic view of a stand according to an embodiment of the present utility model in an extended state;

FIG. 11 is a schematic view of a stand according to an embodiment of the present utility model in a contracted state;

FIG. 12 is a process diagram of an interactive tablet mounted to a foot stand in accordance with an embodiment of the present utility model;

fig. 13 is a schematic structural diagram of an interactive flat panel installation component according to an embodiment of the present utility model.

In the figure: 11. a support leg; 1101. a limiting hole; 111. a first leg; 112. a second leg; 12. a limit structure; 121. a first limit structure; 122. a second limit structure; 13. a clamping structure; 131. a body portion; 132. a side plate; 133. a bottom plate; 1331. a limit groove; 14. a tray support; 1401. a first tray support; 1402. a second tray support; 141. a mounting part; 142. a support part; 143. a limit part; 20. a telescopic frame; 21. a first rod body; 211. fixing the end part; 22. a second rod body; 221. a movable end; 231. a first lever mounting shaft; 232. a second lever mounting shaft; 233. a third lever mounting shaft; 234. a first rack mounting shaft; 24. needle roller bearings; 30. a support member; 31. a bar-shaped convex part; 40. a walking wheel; 50. an interactive tablet; 60. a wall hanging member; 61. a hanging structure; 611. a hook.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "affixed" and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foot rest is used as a supporting device of display equipment such as an interactive flat panel. When a warehouse stores equipment, transports equipment, performs function test on the equipment, or uses the equipment, display equipment such as an interactive tablet is generally mounted on a foot stand, and the display equipment is supported by the foot stand.

The interactive flat board is also called as an interactive intelligent flat board, and the interactive intelligent flat board is integrated equipment for controlling the content displayed on the display flat board and realizing man-machine interaction operation through a touch technology. The interactive intelligent flat plate integrates multiple functions of an electronic whiteboard, a curtain, sound equipment, a television, a video conference terminal and the like, is suitable for group communication occasions, and is used for intensively solving the systematic conference demands of remote audio and video communication, high-definition display of conference documents in various formats, video file playing, site sound equipment, screen writing, file labeling, storage, printing, distribution and the like in a conference, and meanwhile, is also internally provided with a television receiving function and surround sound equipment. The interactive intelligent tablet is widely applied to the fields of education and training, enterprise conferences, business display and the like. The interactive smart tablet may be, but is not limited to, a conference tablet, a teaching tablet. The interactive smart tablet may be applied to a smart blackboard.

In the related art, the both sides of foot rest set up the stabilizer blade as main supporting member, in order to adapt more size display device, improve the commonality of foot rest, the interval between the stabilizer blade of foot rest both sides is designed great, and the whole width of foot rest is designed great, leads to following problem: firstly, the whole structure of the foot rest is large, the foot rest occupies large space when in idle, and is not easy to store, and if the foot rest is disassembled for storage, the situation that parts are lost easily occurs; secondly, the whole width of the foot rest is larger than the appearance width of the whole display equipment for the model of a part of display equipment, thereby not only affecting the beauty, but also causing space waste and affecting the storage of multiple machines.

The utility model provides a telescopic foot rest which is used for hanging display equipment such as an interactive flat plate 50, a television and the like. The foot rest can adjust the span between the two side support legs 11 of the foot rest through the extension and retraction of the extension and retraction frame 20. The utility model also provides an assembly for installing the interactive flat plate 50, which comprises the interactive flat plate 50 and the telescopic foot rest, wherein the interactive flat plate 50 is installed on a supporting mechanism of the foot rest.

The foot rest can be stretched and contracted according to the requirements, and is simple in structure and easy and convenient to operate. The expansion bracket 20 contracts when the foot rest is stored, so that the occupied space can be reduced, the foot rest is convenient to store, and more foot rests can be placed in a limited space. When the foot rest is applied, the foot rest can be adapted to display equipment with various sizes, and the universality is strong. The foot rest is retractable, and can be carried by using a smaller package, so that the related cost of the package is reduced.

The interactive flat plate 50 installation component can avoid that the span between the first support leg 111 and the second support leg 112 of the foot rest is larger than the width of the interactive flat plate 50, avoid space waste and improve the installation aesthetic property of the interactive flat plate 50; and, it is advantageous to increase the number of the interaction panel 50 installation components that can be stored in the field, and to increase the space utilization.

Referring to fig. 1 to 13, the following describes the structure of the retractable interactive tablet 50 mounting assembly:

the interactive tablet 50 mounting assembly includes an interactive tablet 50, a wall hanging member 60, and a retractable foot rest. The back of the interactive flat plate 50 is provided with a wall hanging member 60, and the interactive flat plate 50 is mounted on the foot rest by clamping the wall hanging member 60 with the clamping structure 13. The telescoping foot rest includes a foot assembly and a telescoping shelf 20.

The leg assembly comprises a plurality of legs 11, wherein the plurality of legs 11 comprise a first leg 111 and a second leg 112, and the first leg 111 and the second leg 112 are arranged at intervals along the x direction. In the present utility model, "a plurality of" means two or more, including two.

The leg assembly further includes a clamping structure 13 disposed on the leg 11, and the first leg 111 and the second leg 112 are respectively provided with the clamping structure 13, wherein the clamping structure 13 provides a mounting position of the display device. As shown in fig. 12 and 13, when the stand is applied to the installation of the interactive flat board 50, the interactive flat board 50 may be respectively mounted to the fastening structure 13 of the first leg 111 and the fastening structure 13 of the second leg 112 through the wall hanging member 60.

The telescopic frame 20 is disposed between the first leg 111 and the second leg 112, and the telescopic frame 20 includes a first frame body, and opposite ends of the first frame body are respectively connected with the first leg 111 and the second leg. As shown in fig. 1 to 3, 7 and 10 to 13, the first frame body includes a plurality of first rod bodies 21 arranged at intervals along the x direction, and the plurality of first rod bodies 21 are sequentially hinged, and adjacent first rod bodies 21 can relatively rotate. In this embodiment, the extending direction of the rotation axis between the adjacent first rod bodies 21 is the y direction, and the y direction is perpendicular to the x direction.

The opposite ends of the first frame body are fixed end parts 211, the fixed end part 211 at one end of the first frame body is hinged with the first support leg 111, and the inside of the fixed end at the other end of the first frame body is hinged with the second support leg 112. In other words, the first rod 21 at two sides of the first frame body can rotate relative to the supporting legs 11 at two sides, and the extending direction of the rotation axis between the first rod 21 and the supporting legs 11 is y.

The first rod body 21 can rotate relatively to extend or retract the telescopic frame 20 along the x direction, so that the distance between the two side fixing end portions 211 and the distance between the first support leg 111 and the second support leg 112 are increased or decreased.

In this embodiment, the left-right direction of the foot rest is the x direction, the front-back direction is the y direction, and the up-down direction is the z direction. The left-right, front-back, up-down directions are merely illustrative, and are not limiting of the present utility model.

One way in which the interactive tablet 50 is mounted to the foot rest is described below:

the back of the interactive flat panel 50 is provided with a wall hanging member 60, and the wall hanging member 60 can be provided in at least two ways:

wall hanging member 60 is provided in a first mode: the wall hanging member 60 is a wall hanging plate, and two hanging structures 61 are arranged on the wall hanging plate at intervals along the x direction; wall hanging member 60 is arranged in a second mode: the wall hanging member 60 is a two-piece hanging structure 61 spaced apart in the x-direction.

According to the overall dimension of the interaction flat plate 50, the support legs 11 are pushed or pulled, the first rod bodies 21 of the telescopic frames 20 rotate relatively, the transverse stretching and the telescopic of the telescopic frames 20 are achieved, the span of the foot frames is adjusted, the wall hanging members 60 are clamped with the clamping structures 13 on the support leg assemblies, and therefore the interaction flat plate 50 is installed on the foot frames. The foot stool spans a distance between the first support leg 111 and the second support leg 112 in the x direction, and in fig. 1, the foot stool spans d.

When the foot rest is applied, the telescopic frame 20 can be telescopic according to the outline dimension of the corresponding display equipment and the distance between the two hanging structures 61 of the wall hanging member 60 on the back of the display equipment, so that the span of the foot rest is adjusted, the span of the foot rest is prevented from being larger than the width of the display equipment, and the field utilization rate and the attractiveness are improved. The installation and the support of the interactive flat plate 50 with various models can be realized through one foot rest, the universality is high, and the one-to-one and one-to-many effects are realized. In the user experience, the foot rest span adjustment and the display equipment installation can be operated by a single person.

For the interactive flat plate 50 installation components comprising the interactive flat plate 50 and the foot rest, the foot rest is used for supporting the interactive flat plate 50, so that the whole width of the foot rest is larger than the whole width of the interactive flat plate 50, the appearance is prevented from being influenced, and the number of the interactive flat plate 50 installation components stored in a warehouse or other places can be increased.

The foot rest can be directly contracted to the minimum shape when in idle, is erected and placed, occupies smaller space, can store more idle foot rests in the same space, and does not need complex disassembly operation when in idle. When the foot rest is packaged, the foot rest can be contracted to the minimum shape, so that the packaging dosage and the occupied space can be reduced.

In this embodiment, the leg assembly includes two legs 11, namely a first leg 111 and a second leg 112.

In other embodiments, the number of legs 11 provided in a single stand may be three or more, with adjacent legs 11 being connected by telescoping brackets 20.

In other embodiments, the opposite ends of the first frame body are fixed end portions 211, the fixed end portion 211 at one end of the first frame body is fixedly connected or slidably connected with the first leg 111, and the inside of the fixed end at the other end of the first frame body is fixedly connected or slidably connected with the second leg 112. As long as the adjacent first rod bodies 21 are hinged, when the adjacent first rod bodies 21 relatively rotate, the expansion and contraction of the expansion bracket 20 along the x direction can be realized, so that the span of the leg assembly can be adjusted.

With continued reference to fig. 1 to 3, 7, and 10 to 13, in order to improve the reliability and smoothness of the horizontal expansion and contraction of the stand, the expansion and contraction frame 20 is a cross expansion and contraction frame 20, which is also referred to as a fork expansion and contraction frame 20. The telescoping rack 20 may be, but is not limited to, a fork-shaped steel plate.

The expansion bracket 20 includes a first bracket body and a second bracket body. The second frame body comprises a plurality of second rod bodies 22 arranged along the x direction, and the adjacent second rod bodies 22 are hinged. The expansion bracket 20 comprises a plurality of rod groups, each rod group comprises a first rod body 21 and a second rod body 22, and the middle part of the first rod body 21 in each rod group is hinged with the middle part of the second rod body 22 to form an 'x' -shape. When the telescopic frame 20 stretches along the x direction, the adjacent first rod bodies 21 relatively rotate, the adjacent second rod bodies 22 relatively rotate, and the first rod bodies 21 and the second rod bodies 22 in the same rod group relatively rotate.

The opposite ends of the second frame body are movable end portions 221, and the movable end portions 221 may be configured to: the movable end 221 is movably connected with the support leg 11, or the movable end 221 is detachably connected with the support leg 11, or the movable end 221 is free relative to the support leg 11.

When the telescopic frame 20 extends along the x direction, the movable end 221 of the second frame body moves relative to the supporting leg 11 to approach the fixed end 211 of the first frame body along the z direction; when the telescopic frame 20 is contracted in the x-direction, the movable end 221 of the second frame body moves relative to the leg 11 to be away from the fixed end 211 of the first frame body in the z-direction.

The second frame may be configured in at least two ways:

second support body setting mode one: the movable end 221 is slidably connected to the leg 11.

When the telescopic frame 20 is telescopic, the movable end 221 slides along the leg 11. The sliding connection mode can be as follows: one of the supporting legs 11 and the movable end 221 is provided with a convex sliding block, the other is provided with a concave sliding groove, and the sliding connection between the supporting legs 11 and the movable end 221 of the second frame body is realized through the sliding connection between the sliding blocks and the sliding grooves. Of course, the sliding connection may also be realized in other ways.

After the interaction plate 50 is hung on the fastening structure 13 of the first leg 111 and the second leg 112, the sliding of the movable end 221 on the leg 11 can be limited due to the restriction of the expansion and contraction frame 20 by the interaction plate 50.

The second frame body is arranged in a second mode: the movable end 221 is detachably connected to the leg 11.

When the span of the foot rest is adjusted, the movable end 221 and the supporting leg 11 are disconnected, the telescopic frame 20 stretches and contracts, when the span is properly adjusted, the movable end 221 and the supporting leg 11 are limited in the z direction by using a bayonet lock or a screw, and then the interaction flat plate 50 is hung on the clamping structure 13 of the first supporting leg 111 and the second supporting leg 112.

The implementation manner of the z-direction limit between the movable end 221 and the supporting leg 11 may be: the stabilizer blade 11 sets up a plurality of locating holes along z direction interval, and movable tip 221 sets up the movable mounting hole, when span adjustment is suitable, uses the setting element to insert movable mounting hole and first mounting hole simultaneously, can realize spacing connection between movable tip 221 and the stabilizer blade 11 to the flexible of restriction expansion bracket 20 along the x direction keeps the foot rest in current span. When the foot rest span needs to be adjusted again, the screws or the bayonet locks are pulled out of the movable mounting holes or the positioning holes.

The positioning piece can be, but not limited to, a positioning pin or a positioning screw, the positioning hole can be a through hole or a threaded hole, and the movable mounting hole can be a through hole or a threaded hole.

In this embodiment, the first frame body includes two first rod bodies 21, and the second frame body includes two second rod bodies 22. The adjacent first rod bodies 21 are rotationally connected through a first rod installation shaft 231, the adjacent second rod bodies 22 are rotationally connected through a second rod installation shaft 232, and the first rod bodies 21 and the second rod bodies 22 are rotationally connected through a third rod installation shaft 233. The first frame body is rotatably connected with the first support leg 111 and the second support leg 112 through a first frame mounting shaft 234.

In other embodiments, the number of the first rods 21 of the first frame body and the number of the second rods 22 of the second frame body may be different.

In this embodiment, the expansion bracket 20 includes needle bearings 24, and the needle bearings 24 are disposed between adjacent first rod bodies 21, between adjacent second rod bodies 22, between the first rod bodies 21 and the first supporting legs 111, between the first rod bodies 21 and the second supporting legs 112, between the second rod bodies 22 and the first supporting legs 111, and between the second rod bodies 22 and the second supporting legs 112, so as to perform revolute pair matching, and screw lock attachment fixation is adopted, so that the adjacent rod bodies, the rod bodies and the supporting legs 11 can rotate, and have certain strength tightness. The needle bearing 24 has a compact radial structure, and when the inner diameter and the load capacity are the same as those of other types of bearings, the outer diameter is the smallest, so that the needle bearing 24 is suitable for supporting structures with limited radial installation dimensions, and the needle bearing 24 is prevented from limiting the contraction of the expansion bracket 20.

In this embodiment, the needle bearing 24 disposed between the first rod body 21 and the second rod body 22 is sleeved outside the third rod mounting shaft 233.

In other embodiments, other bearings may or may not be provided between the two members of the telescoping mount 20 that are hingedly coupled, between the telescoping mount 20 and the foot 11.

With reference to fig. 1 to 3, 10 and 11, in order to enable the stand to move within a specific span range, the leg assembly includes a limiting structure 12, the limiting structure 12 is disposed on the leg 11, and the limiting structure 12 is used for limiting the telescopic range of the telescopic stand 20, so as to avoid abnormal structural functions and functional failures caused by the telescopic stand 20 extending beyond the range.

In this embodiment, two limiting structures 12 are disposed on each supporting leg 11, one of the two limiting structures 12 is a first limiting structure 121, and the other limiting structure 12 is a second limiting structure 122.

The first limiting structure 121 is disposed between the movable end 221 and the fixed end 211, when the telescopic frame 20 extends, the movable end 221 moves in a direction approaching the fixed end 211, and when the movable end 221 abuts against the first limiting structure 121, the telescopic frame 20 is at an extending limit position (as shown in fig. 10), and the first limiting structure 121 limits the telescopic frame 20 to extend along the x direction.

The second limiting structure 122 is disposed on a side of the movable end 221 away from the fixed end 211, when the telescopic frame 20 is contracted, the movable end 221 moves in a direction away from the fixed end 211, and when the movable end 221 abuts against the second limiting structure 122, the telescopic frame 20 is in a contraction limiting position (as shown in fig. 11), and the second limiting structure 122 limits the telescopic frame 20 to contract along the x direction.

Through limit structure 12's setting, can effectively avoid expansion bracket 20 structure unusual, avoid structural fatigue back to drop, lead to display device to drop to the bottom. The arrangement of the limiting structure 12 can improve the reliability of the mounting of the display device on the foot rest.

In other embodiments, only the first limiting structure 121 or only the second limiting structure 122 may be provided.

In this embodiment, the limiting structure 12 is a limiting bolt, in other words, the first limiting structure 121 and the second limiting structure 122 are both limiting bolts, and the limiting bolts are in threaded connection with the supporting legs 11. The limiting structure 12 protrudes relative to the support leg 11.

With continued reference to fig. 2 and 3, in order to improve the application range, the limiting structure 12 is configured to be detachably connected with the supporting leg 11, and the position of the limiting structure 12 on the supporting leg 11 can be adjusted according to actual requirements, so as to control the span adjustment range of the foot stand. The support legs 11 are provided with a plurality of limiting holes 1101 at intervals along the z direction, and the limiting structure 12 is arranged in any limiting hole 1101 and protrudes relative to the support legs 11. The number of limiting apertures 1101 is greater than the number of limiting structures 12. In other words, the first leg 111 and the second leg 112 are each provided with a plurality of limiting holes 1101 at intervals along the z direction.

In the present embodiment, the movable end 221 is located above the fixed end 211, and the limiting hole 1101 is also located above the fixed end 211.

In this embodiment, the first limiting structure 121 and the second limiting structure 122 are both limiting bolts, the limiting hole 1101 is a threaded hole, and the limiting bolts are screwed into the limiting hole 1101 to be in threaded connection with the supporting legs 11. The limit structure 12 is in threaded connection with the support leg 11, so that the stability of connection between the limit structure 12 and the support leg 11 can be improved, the reliability of the limit effect of the limit structure 12 on the movable end 221 is improved, the span range of the foot rest is reliably limited, and structural failure is avoided.

In other embodiments, the limiting structure 12 is a positioning pin, or the limiting structure 12 is a bump fixed with the leg 11.

With continued reference to fig. 1 to 3, 5 and 8, the fastening structure 13 is a structure for hanging the display device. The clamping structure 13 is arranged at the top of the supporting leg 11, the clamping structure 13 comprises a body portion 131 and a clamping portion, the clamping structure 13 is connected with the supporting leg 11 through the body portion 131, and an installation position is provided for the display device through the clamping portion.

In this embodiment, the body portion 131 is provided with mounting holes, and the body portion 131 is mounted to the leg 11 by fasteners. The joint portion includes curb plate 132 and bottom plate 133, and the bottom plate 133 is located curb plate 132 below, and bottom plate 133 is connected with curb plate 132, and curb plate 132 locates one side that bottom plate 133 deviates from expansion bracket 20, and curb plate 132 protrusion relative to bottom plate 133, curb plate 132 provide the position that hanging member 60 hung and taken up, and bottom plate 133 sets up spacing groove 1331 to provide the position that hanging member 60 blocked in, thereby prevent to loosen.

As shown in fig. 5, in this embodiment, a mounting groove with an upper opening is defined between the side plate 132 and the bottom plate 133.

As shown in fig. 6, 10 and 11, the hanging structure 61 of the wall hanging member 60 disposed on the back of the display device includes a hook 611, when the display device is mounted, the hook 611 is hung on the side plate 132, and the end of the hook 611 is inserted into a limit slot 1331, and the limit slot 1331 limits the movement of the hook 611 in the x direction and the y direction, so that the display device is not easy to shake after being mounted.

In other embodiments, the clamping structure 13 is integrally formed with the leg 11, or is connected to the leg 11 by welding or other means.

In order to improve the stability of the display device when the display device is mounted on the fastening structure 13, at least two limiting grooves 1331 are provided on the bottom plate 133 of the fastening structure 13 to increase the fastening stability of the wall-mounted member 60 and the fastening structure 13.

In other embodiments, only one limiting slot 1331 may be provided on the bottom plate 133 of the clamping structure 13, or no limiting slot 1331 may be provided.

In other embodiments, the engagement structure 13 in the leg assembly may not be provided on top of the foot 11.

With continued reference to fig. 1-3, 7, 12, and 13, the stand further includes a supporting member 30, and the supporting member 30 may be used as a display device accessory placement platform or a placement platform for supporting a display device. As shown in fig. 12 and 13, the support member 30 is mounted at different positions on the support member 30, and the support member 30 is positioned below the display device when the display device is mounted on the stand.

Display devices providing writing functions, such as interactive tablets 50 for smart blackboards, are typically provided with a writing pen or the like, which may be placed on the support member 30 to avoid loss of the accessory. In this embodiment, the support member 30 is provided with a recess for receiving a writing pen.

In this embodiment, the leg assembly includes a tray support 14, and the tray support 14 is mounted on the leg 11. The tray supports 14 are disposed on the first leg 111 and the second leg 112, the tray support 14 disposed on the first leg 111 is a first tray support 1401, and the tray support 14 disposed on the second leg 112 is a second tray support 1402. The support member 30 is detachably mounted to the first tray support 1401, and the support member 30 is detachably mounted to the second tray support 1402. The support member 30 extends in the x-direction when the support member 30 is mounted to the leg assembly.

The supporting member 30 is configured to be detachably connected with the leg assemblies, when the foot rest is stored, the supporting member 30 can be detached and canceled by the leg assemblies, so that the transverse supporting member 30 is prevented from occupying a large space, the detached supporting member 30 can be placed vertically, and the storage occupied space is reduced.

In this embodiment, the detachable connection of the support member 30 to the leg assembly is accomplished as follows:

the tray support 14 is connected to the legs 11. As shown in fig. 9, the tray holder 14 includes a mounting portion 141, a supporting portion 142 connected to the mounting portion 141, and a stopper portion 143 connected to the supporting portion 142. The mounting portion 141 is detachably or non-detachably fixed to the leg 11 by fastening means such as fastening means, welding means, or adhesive means, so as to achieve connection between the tray support 14 and the leg 11. The limiting portion 143 protrudes from the upper surface of the supporting portion 142, and a limiting recess is defined among the leg 11, the supporting portion 142, and the limiting portion 143, and the receiving member 30 is respectively engaged into the limiting recess of the first tray support 1401 and the limiting recess of the second tray support 1402. After the two sides of the supporting member 30 are snapped into the limit recesses of the two tray supports 14, the movement of the supporting member 30 in the y-direction relative to the leg assemblies is restricted, and the supporting member 30 is prevented from falling forward or backward relative to the legs 11.

In this embodiment, as shown in fig. 7 and 9, a bar-shaped protrusion 31 is provided at the bottom of the support member 30, and when the support member 30 is mounted, the bar-shaped protrusion 31 is engaged with a limit concave portion of the first tray support 1401 and a limit concave portion of the second tray support 1402, thereby realizing front-rear limit of the support member 30.

In other embodiments, the tray support 14 may be provided with a limit recess directly, in other words, protruding limit portions 143 are formed on opposite sides of the support portion 142 of the tray support 14, so that the limit recess is defined by the support portion 142 and the limit portions 143 on both sides of the tray support 14.

In other embodiments, the support member 30 may be mounted to the first leg 111 and the second leg 112 by a detachable mounting manner such as a snap-fit attachment or a screw-lock attachment.

In one embodiment, as shown in fig. 9, the tray support 14 further includes tray mounting holes provided on the limiting portion 143 and/or the supporting portion 142. This foot rest with adjustable it is portable, can adjust foot rest stabilizer blade 11 span according to the model of different display device, the bearing component 30 passes through the mode of bolt-up to be fixed on the stabilizer blade 11 of foot rest, between bearing component 30 and the tray support 14, through two tray mounting holes on the supporting part 142, two tray mounting holes on the spacing part 143, and the bolt, realize the lock of bearing component 30 and attach fixedly to realize the foot rest that a bearing component 30 adaptation has different spans. Thus, the support member 30 and the support leg 11 are conveniently locked and fixed through the fastener, the mounting stability of the support member 30 is improved, the support member 30 is prevented from loosening, when a foot rest span needs to be adjusted, the foot rest can be stretched or contracted only by unscrewing the bolts between the support member 30 and the support leg 11, and the bolts for locking the support member 30 are screwed after the span adjustment is completed.

In other embodiments, the support member 30 and the tray support 14 may be provided without fasteners such as bolts, and the support member 30 may be mounted by being locked in the limit recess; or, after the supporting member 30 is clamped in the limiting concave part, the supporting member 30 and the supporting leg 11 can be further limited through the lock catch, so that the installation firmness of the supporting framework is improved.

On the basis that the stand includes the engagement structure 13 for hanging the display device, and the tray support 14 for mounting the bearing member 30, the telescopic frame 20 is configured to: in the z-direction, the telescopic frame 20 is arranged between the clamping structure 13 and the tray support 14.

As shown in fig. 10 to 13, when the wall hanging member 60 and the supporting member 30 are mounted on the leg assembly, the telescopic frame 20 is located between the wall hanging member 60 and the supporting member 30, so that after the display device is mounted, the telescopic frame 20 is shielded by the display device when the display device is seen from the front, the whole structure is simple, the whole appearance is attractive, and the telescopic frame 20 arranged on the foot rest does not influence the front appearance of the mounted display device.

With continued reference to fig. 1 and 2, the leg assembly further includes a traveling wheel 40, the bottoms of the first leg 111 and the second leg 112 are respectively provided with the traveling wheel 40, and the traveling wheel 40 is connected with the leg 11, so that the leg is conveniently pushed to various positions for application or storage according to requirements, and the display device is also conveniently pushed to a target position after being mounted to the leg. The road wheels 40 may be, but are not limited to, universal wheels, rollers.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (11)

1. A retractable foot rest, comprising:

a leg assembly comprising a plurality of legs (11); -a plurality of said legs (11) comprising a first leg (111) and a second leg (112); the first leg (111) and the second leg (112) are arranged along the x direction; the support legs (11) are provided with clamping structures (13), and the clamping structures (13) provide mounting positions of display equipment;

a telescopic frame (20) arranged between the first support leg (111) and the second support leg (112); the telescopic frame (20) comprises a first frame body, wherein the first frame body comprises a plurality of first rod bodies (21) arranged along the x direction, and the adjacent first rod bodies (21) are hinged; opposite ends of the first frame body are respectively hinged with the first support leg (111) and the second support leg (112); the telescopic frame (20) can be extended or contracted along the x direction.

2. A telescopic foot rest according to claim 1, wherein the telescopic frame (20) is a cross telescopic frame (20); the telescopic frame (20) comprises a second frame body, wherein the second frame body comprises a plurality of second rod bodies (22) arranged along the x direction; the adjacent second rod bodies (22) are hinged; the second rod body (22) is intersected with the first rod body (21), and the second rod body (22) is hinged with the first rod body (21).

3. A telescopic foot rest according to claim 2, wherein the foot assembly comprises a limit structure (12), the limit structure (12) being provided to the foot (11); the opposite ends of the first frame body are fixed end parts (211), and the fixed end parts (211) are connected with the supporting legs (11); the opposite ends of the second frame body are movable end parts (221);

the limiting structure (12) is arranged between the movable end part (221) and the fixed end part (211), and when the movable end part (221) abuts against the limiting structure (12), the limiting structure (12) limits the expansion bracket (20) to extend along the x direction; and/or the side of the movable end part (221) deviating from the fixed end part (211) is provided with the limiting structure (12), and when the movable end part (221) abuts against the limiting structure (12), the limiting structure (12) limits the expansion bracket (20) to shrink along the x direction.

4. A telescopic foot rest according to claim 3, wherein the limit structure (12) is a limit bolt which is screwed with the foot (11).

5. A telescopic foot rest according to claim 3 or 4, wherein the foot (11) comprises a number of spaced apart limiting holes (1101), the limiting structure (12) being mounted to any of the limiting holes (1101).

6. A telescopic foot rest according to any of claims 1-4, wherein the snap-in structure (13) is connected to the foot (11); the clamping structure (13) comprises a side plate (132) and a bottom plate (133) connected with the side plate (132), an installation groove with an upper opening is formed between the side plate (132) and the bottom plate (133), and the bottom plate (133) is provided with a limit groove (1331).

7. A telescopic foot rest according to any of claims 1-4, comprising a tray support (14), said tray support (14) being provided to said foot (11); the tray support (14) arranged on the first support leg (111) is a first tray support (1401), and the tray support (14) arranged on the support leg (11) is a second tray support (1402);

the telescopic foot rest comprises a support member (30); the support member (30) is detachably mounted to the first tray support (1401) and is detachably mounted to the second tray support (1402).

8. A telescopic foot rest according to claim 7, wherein the tray support (14) is connected to the foot (11); the tray support (14) comprises a supporting part (142) and a limiting part (143); a limit concave part is defined among the support leg (11), the support part (142) and the limit part (143); the supporting member (30) is clamped into the limit concave part.

9. A telescopic foot rest according to claim 7, wherein the telescopic frame (20) is arranged between the clamping structure (13) and the tray support (14).

10. A telescopic foot rest according to any of claims 2-4, wherein the telescopic frame (20) comprises a needle bearing (24), the needle bearing (24) being arranged between the first rod body (21) and the second rod body (22); the support leg assembly comprises a travelling wheel (40), and the bottom of the support leg (11) is connected with the travelling wheel (40).

11. An interactive tablet (50) mounting assembly comprising an interactive tablet (50), a wall-hanging member (60) and a retractable foot rest according to any of claims 1-10; the interactive panel (50) is connected with the wall hanging member (60); the wall hanging member (60) is clamped with the clamping structure (13), and the interaction flat plate (50) is mounted on the foot rest.

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