Telescopic stand

Abstract

The utility model provides a telescopic stand which comprises a plurality of step group frames which are erected in a stacked mode, each step group frame comprises a bottom step group, at least one stacked step group and a top step group, the bottom step group is movably arranged on the ground, the front end of the stacked step group on the bottommost side is erected above the bottom step group, and the top step group is erected above the bottom step group. The front end of the laminated step group on the high side is erected above the rear end of the laminated step group on the adjacent low side, the rear end of the laminated step group is supported on the ground, the front end of the top step group is erected above the laminated step group on the topmost side, and the rear end of the top step group is supported on the ground; the bottom step group comprises a bottom step frame and bottom pulley blocks; the bottom pulley blocks are arranged at the bottoms of the front and rear ends of the bottom step frame; the laminated step group comprises a laminated step frame and a laminated pulley block, laminated supporting legs are arranged at the rear end of the laminated step frame, and the laminated pulley block is arranged at the bottom of the front end of the laminated step frame; the top step set comprises a top step frame and a top pulley block, top supporting legs are arranged at the rear end of the top step frame, and the top pulley block is arranged at the bottom of the front end of the top step frame. According to the invention, through the movable structure of the bottom step group and the laminated step group, the bottom step group and the laminated step group are sequentially stored to the inner side of the top step group, so that the overall space is saved, and storage and unfolding are convenient; by means of the stacking connection structure among the bottom step set, the stacking step set and the top step set, disassembly, assembly, combination and moving are convenient.

Description

Technical Field

[0001] The utility model relates to the field of furniture equipment, in particular to a telescopic viewing stand. Background Art

[0002] Currently, many companies hope that one space has multiple functions at the same time, such as large space activity rooms, conference rooms, press conference halls, theaters, etc., which puts forward more requirements for the flexibility of space. Retractable stands are equipment that have appeared in recent years. They can be folded up at ordinary times and pulled out when needed to be used as stepped stands, which not only saves space but also meets the functions.

[0003] However, the existing retractable stands are all made of steel structures, which are heavy and expensive. They are difficult to transport to office buildings with narrow elevators. If the floor load is not enough, the ground must be reinforced. Utility Model Content

[0004] The purpose of the utility model is to provide a telescopic viewing stand, which comprises a set of telescopic step structures formed by rails, pulleys and a frame.

[0005] In order to achieve the above-mentioned object, the present invention proposes a telescopic viewing platform, comprising a plurality of stacked step groups, wherein the step groups include a bottom step group, a stacked step group and a top step group, and the number of the stacked step group is at least one, the bottom step group is movably placed on the ground, the front end of the bottommost stacked step group is placed above the bottom step group, the front end of the high-side stacked step group is placed above the rear end of the adjacent low-side stacked step group, the rear end of the stacked step group is supported on the ground, the front end of the top step group is placed above the topmost stacked step group, and the rear end of the top step group is supported on the ground;

[0006] The bottom step group includes a bottom step frame and a bottom pulley group, and the bottoms of the front and rear ends of the bottom step frame are both provided with the bottom pulley group;

[0007] The stacking step group includes a stacking step frame and a stacking pulley group. The rear end of the stacking step frame is provided with a stacking support foot, and the bottom of the front end of the stacking step frame is provided with the stacking pulley group.

[0008] The top step group includes a top step frame and a top pulley group. The rear end of the top step frame is provided with a top supporting foot, and the bottom of the front end of the top step frame is provided with the top pulley group.

[0009] Furthermore, in the telescopic stand, a finger groove along the edge is provided on the bottom side of the front end of the bottom step frame, and the finger groove is placed on the outside of the bottom pulley group.

[0010] Furthermore, in the telescopic grandstand, a rear end of the bottom step frame is provided with an upwardly protruding limit baffle.

[0011] Furthermore, in the telescopic grandstand, a guide rail group is provided between adjacent bottom step groups, stacked step groups and top step groups, and the guide rail group includes corresponding matching hanging rail tracks and moving wheels, and the moving wheels move within the hanging rail tracks, and a movable limiter is provided within the hanging rail tracks, that is, the hanging rail tracks are respectively fixed to the bottom sides of the stacked step frame and the top step frame, and the moving wheels are respectively fixed to the top sides of the rear ends of the bottom step frame and the stacked step frame.

[0012] Furthermore, in the telescopic stand, L-shaped supports are provided at the connection points of the top ends of the stacked supporting legs and / or top supporting legs.

[0013] Furthermore, in the telescopic stand, the bottom of the top step frame is provided with auxiliary supporting feet, and the connection between the top feet of the auxiliary supporting feet is provided with an L-shaped support.

[0014] Furthermore, in the telescopic stand, the front ends of the bottom step frame, the stacked step frame and the top step frame are all flame retardant panels, the front ends of the top ends of the bottom step frame, the stacked step frame and the top step frame are all flame retardant panels, the rear ends of the top ends are all provided with fireproof panels tightly connected to the front end flame retardant panels, and the end corners of the front ends of the bottom step frame, the stacked step frame and the top step frame are all connected with closing strips.

[0015] Furthermore, in the telescopic stand, the front end side of the top step frame is provided with a flame retardant plate, the front end of the top end side of the top step frame is provided with a flame retardant plate, the rear end of the top end side is provided with a fireproof plate tightly connected to the front end flame retardant plate, and the end corner connection between the front end side and the top end side of the top step frame is provided with a closing strip; the front end side and the top end side of the bottom step frame and the stacked step frame are both provided with fireproof plates, and the top end corners of the front end of the bottom step frame and the stacked step frame are provided with anti-slip strips wrapped around the outside.

[0016] Furthermore, in the telescopic stand, the stacking support legs are galvanized square tubes, and the bottoms of the stacking support legs are treated for wear resistance.

[0017] Furthermore, in the telescopic stand, the stacked supporting legs are made of flame-retardant panels, and the stacked pulley assembly is provided at the bottom of the stacked supporting legs.

[0018] Compared with the existing technology, the beneficial effects of the present invention are mainly reflected in: through the movable structure of the bottom step group and the stacked step group, they can be stored in sequence to the inner side of the top step group, saving overall space and facilitating storage and deployment; utilizing the stacking connection structure between the bottom step group, the stacked step group and the top step group, it is convenient for disassembly, assembly and movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the telescopic stand in the utility model when it is unfolded outward;

[0020] Figure 2 This is a schematic diagram of the structure of the telescopic stand in the utility model when it is stored inwards;

[0021] Figure 3 This is a schematic diagram of the structure of the second telescopic stand of the utility model when it is unfolded outwards;

[0022] Figure 4 This is a schematic diagram of the structure of the second telescopic stand of the utility model when it is stored inwards;

[0023] Figure 5 This is a schematic diagram of the structure of the utility model's third telescopic stand when it is unfolded outwards;

[0024] Figure 6 This is a schematic diagram of the structure of the third telescopic stand of the utility model when it is stored inwards;

[0025] Figure 7 for Figure 1 and Figure 3 A schematic diagram of the nodes in the middle part A;

[0026] Figure 8 for Figure 5 Enlarged schematic diagram of the node in part B. DETAILED DESCRIPTION

[0027] The following is a more detailed description of the telescopic viewing platform of the present invention with reference to schematic diagrams, which illustrate preferred embodiments of the present invention. It should be understood that those skilled in the art may modify the present invention described herein while still achieving the beneficial effects of the present invention. Therefore, the following description should be understood as a general guide for those skilled in the art and not as a limitation of the present invention.

[0028] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0029] In this utility model, unless otherwise specified or limited, the terms "assemble," "connect," and "connect" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection; direct connection, connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0031] Example 1

[0032] like Figures 1 to 2 As shown, the utility model proposes a telescopic grandstand, comprising a plurality of stacked step groups, the step group comprising a bottom step group 1, a stacked step group 2 and a top step group 3, and the number of the stacked step group 2 is at least one, the bottom step group 1 is movably placed on the ground, the front end of the bottommost stacked step group 2 is placed above the bottom step group 1, the front end of the high-side stacked step group 2 is placed above the rear end of the adjacent low-side stacked step group 2, the rear end support of the stacked step group 2 is placed on the ground, the front end of the top step group 3 is placed above the topmost stacked step group 2, and the rear end support of the top step group 3 is placed on the ground.

[0033] The bottom step group 1 includes a bottom step frame 11 and a bottom pulley group 12. The bottom of the bottom step frame 11 at both ends is provided with a bottom pulley group 12;

[0034] The stacking step group 2 includes a stacking step frame 21 and a stacking pulley group 22. The rear end of the stacking step frame 21 is provided with a stacking support foot 23, and the bottom of the front end of the stacking step frame 21 is provided with a stacking pulley group 22;

[0035] The top step group 3 includes a top step frame 31 and a top pulley group 32 . A top support leg 33 is provided at the rear end of the top step frame 31 , and a top pulley group 32 is provided at the bottom of the front end of the top step frame 31 .

[0036] Specifically, the bottom step frame 11 is movably placed on the ground through the bottom pulley groups 12 at the front and rear ends, the front end of the bottommost stacked step frame 21 is movably placed on the top side of the bottom step frame 11 through the stacked pulley group 22, the front end of the high-side stacked step frame 21 is movably placed on the top side of the adjacent low-side stacked step frame 21 through the stacked pulley group 22, the rear end of the stacked step frame 21 is supported on the ground by the stacked support legs 23, the front end of the top step frame 31 is movably placed on the top side of the topmost stacked step frame 21 through the top pulley group 32, and the rear end of the top step frame 31 is supported on the ground by the top support legs 33.

[0037] Furthermore, a finger groove 13 is provided along the edge of the bottom side of the front end of the bottom step frame 11, and the finger groove 13 is placed on the outer side of the bottom pulley block 12. A metal sealing edge 15 is provided on the inner rib of the finger groove 13.

[0038] Furthermore, the rear end of the bottom step frame 11 is provided with an upwardly protruding limit baffle 14. The limit baffle 14 is used to prevent the stacking pulley block 22 from moving beyond the range.

[0039] Furthermore, an L-shaped support 6 is provided at the connection point of the top end of the top supporting leg 33 , that is, an L-shaped support 6 is provided at the connection point of the top supporting leg 33 and the top step frame 31 .

[0040] Furthermore, the front ends of the bottom step frame 11, the stacked step frame 21 and the top step frame 31 are all flame retardant plates 71, the front ends of the top ends of the bottom step frame 11, the stacked step frame 21 and the top step frame 31 are all flame retardant plates 71, and the rear ends of the top ends are all provided with fireproof plates 72 tightly connected to the front end flame retardant plates 71, and as shown in FIG. Figure 7 As shown, the bottom step frame 11, the stacked step frame 21 and the top step frame 31 are all provided with closing strips 51 at the end corner connections between the front end side and the top end side.

[0041] Furthermore, the stacking support legs 23 are galvanized square tubes, and the bottoms of the stacking support legs 23 are subjected to anti-wear treatment.

[0042] Example 2

[0043] like Figures 3 and 4 As shown, this embodiment is a further improvement based on the first embodiment. The technical solution described in the first embodiment is also applicable to the second embodiment. The difference between the second embodiment and the first embodiment lies in the setting of the guide rail group 4 and the supporting structure of the bottom step group 1 and the stacked step group 2.

[0044] Specifically, a guide rail group 4 is provided between adjacent bottom step groups 1, stacking step groups 2 and top step groups 3. The guide rail group 4 includes corresponding matching hanging rail tracks 41 and moving wheels 42. The moving wheels 42 move within the hanging rail tracks 41. A movable limiter is provided within the hanging rail tracks 41, that is, the hanging rail tracks 41 are respectively fixed on the bottom sides of the stacking step frames 21 and the top step frames 31, and the moving wheels 42 are respectively fixed on the top sides of the rear ends of the bottom step frames 11 and the stacking step frames 21.

[0045] Furthermore, an auxiliary support foot 34 is provided at the bottom of the top step frame 31, and the auxiliary support foot 34 is arranged close to the top support foot 33, and an L-shaped support 6 is provided at the connection between the top end of the auxiliary support foot 34, that is, an L-shaped support 6 is provided at the connection between the auxiliary support foot 34 and the top step frame 31.

[0046] At the same time, the stacking support foot 23 is a flame retardant plate 71, and the bottom of the stacking support foot 23 is provided with a stacking pulley set 22. And the connection at the top of the stacking support foot 23 is provided with an L-shaped support 6, that is, the connection between the stacking support foot 23 and the stacking step frame 21 is provided with an L-shaped support 6.

[0047] Example 3

[0048] like Figures 5 and 6 As shown, this embodiment is a further improvement based on the second embodiment. The technical solution described in the second embodiment is also applicable to the third embodiment. The difference between the third embodiment and the second embodiment lies in the outer material structure of the bottom step frame 11, the stacked step frame 21, and the top step frame 31.

[0049] Specifically, the front end side of the top step frame 31 is provided with a flame retardant plate 71, the front end of the top end side of the top step frame 31 is provided with a flame retardant plate 71, the rear end of the top end side is provided with a fireproof plate 72 tightly connected to the front end flame retardant plate 71, and the end corner connection between the front end side and the top end side of the top step frame 31 is provided with a closing strip 51; the front end side and the top end side of the bottom step frame 11 and the stacked step frame 21 are both provided with a fireproof plate 72, and as shown Figure 8 As shown, the top corners of the front ends of the bottom step frame 11 and the stacked step frame 21 are provided with anti-slip strips 52 wrapped around them.

[0050] In addition, if Figure 6 As shown, in this embodiment, a switch door 8 is provided on the outer side of the front end of the bottom step group 1 and the stacked step group 2 , and the switch door 8 is placed flush below the front end of the top step group 3 .

[0051] At the same time, if Figure 6 As shown, in this embodiment, the bottom side of the front end of the bottom step frame 11 is not provided with a finger groove 13 along the edge, and it is directly provided with a blocking edge 16 that blocks the outer side of the bottom pulley group 12, and a metal sealing edge 15 is provided on the blocking edge 16.

[0052] In summary, in this embodiment, the proposed retractable grandstand can be stored in sequence to the inner side of the top step group through the movable structure of the bottom step group and the stacked step group, saving overall space and facilitating storage and deployment; the stacking connection structure between the bottom step group, the stacked step group and the top step group is utilized to facilitate disassembly, assembly and movement.

[0053] In order to solve the problem that existing retractable stands are all made of steel structures, which are heavy and expensive, and difficult to transport to office buildings with narrow elevators, the present invention proposes a new structure. Through the combination of an aluminum alloy frame and a wooden structure, modular installation is carried out. The overall structure is light in weight, low in cost, and easy to transport. It can be made into various manual and electric forms according to customer needs, and different auxiliary equipment such as high-voltage sockets, low-voltage sockets, and audio equipment can be added to meet the different needs of customers.

[0054] The above description is merely a preferred embodiment of the present invention and does not limit the present invention in any way. Any person skilled in the art who, without departing from the scope of the present invention, makes any equivalent substitution, modification, or other variation to the technical solution and technical content disclosed herein shall be deemed to fall within the scope of the present invention and remain within the scope of protection of the present invention.

Claims

1. A telescopic stand, characterized in that: The invention relates to a plurality of stacked step groups, wherein the step group comprises a bottom step group (1), a stacked step group (2) and a top step group (3), and the number of the stacked step group (2) is at least one. The bottom step group (1) is movably placed on the ground, the front end of the stacked step group (2) on the bottom side is placed above the bottom step group (1), the front end of the stacked step group (2) on the high side is placed above the rear end of the stacked step group (2) on the adjacent low side, and the rear end of the stacked step group (2) is supported and placed on the ground, the front end of the top step group (3) is placed above the stacked step group (2) on the top side, and the rear end of the top step group (3) is supported and placed on the ground; The bottom step group (1) comprises a bottom step frame (11) and a bottom pulley group (12), and the bottoms of the front and rear ends of the bottom step frame (11) are both provided with the bottom pulley group (12); The stacking step group (2) comprises a stacking step frame (21) and a stacking pulley group (22); the rear end of the stacking step frame (21) is provided with a stacking support foot (23); and the bottom of the front end of the stacking step frame (21) is provided with the stacking pulley group (22); The top step group (3) comprises a top step frame (31) and a top pulley group (32); a top support leg (33) is provided at the rear end of the top step frame (31); and the top pulley group (32) is provided at the bottom of the front end of the top step frame (31).

2. The telescopic viewing stand according to claim 1, characterized in that: The bottom side of the front end of the bottom step frame (11) is provided with a finger groove (13) along the edge, and the finger groove (13) is placed on the outside of the bottom pulley group (12).

3. The telescopic viewing stand according to claim 1, characterized in that: The rear end of the bottom step frame (11) is provided with an upwardly protruding limiting baffle (14).

4. The telescopic viewing stand according to claim 1, characterized in that: A guide rail group (4) is provided between adjacent bottom step groups (1), stacked step groups (2) and top step groups (3). The guide rail group (4) includes corresponding hanging rail tracks (41) and moving wheels (42). The moving wheels (42) move in the hanging rail tracks (41). A movable limiter is provided in the hanging rail tracks (41), that is, the hanging rail tracks (41) are respectively fixed to the bottom sides of the stacked step frames (21) and the top step frames (31), and the moving wheels (42) are respectively fixed to the top sides of the rear ends of the bottom step frames (11) and the stacked step frames (21).

5. The telescopic viewing stand according to claim 1, characterized in that: The connection points of the top ends of the stacked support legs (23) and / or the top support legs (33) are both provided with L-shaped supports (6).

6. The telescopic viewing stand according to claim 1, characterized in that: A secondary support leg (34) is provided at the bottom of the top step frame (31), and an L-shaped support (6) is provided at the connection between the top legs of the secondary support leg (34).

7. The telescopic viewing stand according to claim 1, characterized in that: The front ends of the bottom step frame (11), the stacked step frame (21) and the top step frame (31) are all flame retardant plates (71), the front ends of the top ends of the bottom step frame (11), the stacked step frame (21) and the top step frame (31) are all flame retardant plates (71), the rear ends of the top ends are all provided with fireproof plates (72) tightly connected to the front end flame retardant plates (71), and the end corners of the front ends of the bottom step frame (11), the stacked step frame (21) and the top step frame (31) are all connected with the top end corners with closing strips (51).

8. The telescopic viewing stand according to claim 1, characterized in that: The front end side of the top step frame (31) is provided with a flame retardant plate (71), the front end of the top end side of the top step frame (31) is provided with a flame retardant plate (71), the rear end of the top end side is provided with a fireproof plate (72) tightly connected to the front end flame retardant plate (71), and the end corner connection between the front end side and the top end side of the top step frame (31) is provided with a closing strip (51); the front end side and the top end side of the bottom step frame (11) and the stacked step frame (21) are both provided with a fireproof plate (72), and the top end corners of the front ends of the bottom step frame (11) and the stacked step frame (21) are provided with anti-slip strips (52) wrapped around the outside.

9. The telescopic viewing stand according to claim 1, characterized in that: The stacking support legs (23) are galvanized square tubes, and the bottoms of the stacking support legs (23) are subjected to anti-wear treatment.

10. The telescopic viewing stand according to claim 1, characterized in that: The stacking support foot (23) is a flame retardant plate (71), and the stacking pulley assembly (22) is provided at the bottom of the stacking support foot (23).

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