Hidden type folding writing desk suitable for seat of lecture hall

Abstract

The utility model relates to the technical field of seats, and discloses a hidden folding writing desk suitable for a seat in a lecture hall, which comprises two groups of seat side plates, a backrest and a seat cushion, a writing desk folding device is arranged on the back of the backrest, the writing desk folding device comprises a seat back plate, and when a movable desktop needs to be used, the seat back plate is arranged on the back of the backrest. When the movable table top is pulled to the uppermost position, the movable table top is turned over to be in a horizontal state, the telescopic rod is rotated and pulled out, and along with stretching of the telescopic rod, a telescopic spring pops up a clamping block to be clamped with a limiting hole, so that the movable table top is pulled out from the table top storage box, and the movable table top can be pulled out from the table top storage box. The other end of the telescopic rod is inserted into the insertion hole, a stable supporting structure is constructed, writing experience is prevented from being affected by shaking or inclining of the desktop, after the desk is used, the telescopic rod and the supporting rod are contained in the installation groove, the desktop is rotated and moved, the desktop is completely inserted into the desktop storage box and hidden, and no extra space is occupied.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of seat, especially relates to a hidden folding writing desk suitable for report hall seat. BACKGROUND

[0002] With the diversification of report hall purposes, in addition to traditional lectures and reports, it will also be used to hold various activities, such as product launch, small concert and the like, and users hope that the writing desk on the seat can provide writing support when needed, such as recording lecture points, filling in questionnaires and the like, and can be completely hidden when not needed, without affecting the normal progress of the activities.

[0003] In many traditional report halls, the writing desk equipped with the seat is fixedly installed on the back of the seat in the front row, these fixed writing desks will occupy a certain space, when the writing function is not needed, they are still protruding there, which will affect the movement of the audience in the report hall, and the writing desk is not stable after installation, and the writing desk will shake when writing, therefore, we provide a hidden folding writing desk suitable for report hall seat. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hidden folding writing desk suitable for report hall seat, to solve the problem that in traditional report halls, the writing desk equipped with the seat is fixedly installed on the back of the seat in the front row, these fixed writing desks will occupy a certain space, when the writing function is not needed, they are still protruding there, which will affect the movement of the audience in the report hall, and the writing desk is not stable after installation, and the writing desk will shake when writing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hidden folding writing desk suitable for report hall seat, including two groups of seat side plates, backrest and cushion, the back of the backrest is equipped with writing desk folding device, the writing desk folding device includes seat back plate, the seat back plate is connected with fixed rod through desktop storage box, the desktop storage box is connected with abutment through movable desktop, the front side upper end and the rear side inner part of the desktop storage box are respectively equipped with slot and limiting slot, the movable desktop is connected with support rod and telescopic rod through mounting groove, the left and right sides of the movable desktop are throughly equipped with sliding groove, the front side surface of the desktop storage box is equipped with two groups of jack.

[0006] As a preferred scheme, the surface of the two groups of seat side plates is fixedly installed with protective pad, the backrest is fixedly installed between the rear side of the two groups of seat side plates, the surface of the cushion is fixedly installed with soft pad, and the bottom of the cushion is equipped with stabilizing device.

[0007] As a preferred scheme, the seat back plate is fixedly installed on the surface of the backrest, the desktop storage box is fixedly installed on the surface of the seat back plate, the fixed rod is fixedly installed on the upper end of the interior of the desktop storage box, and the fixed rod is slidably connected with the sliding groove, the stop block is fixedly installed on the bottom of one side of the movable desktop, and the stop block is matched with the slot, and the movable desktop is slidably connected with the interior of the desktop storage box.

[0008] As a preferred scheme, the mounting slot is provided with two groups and is arranged on the bottom surface of the movable desktop, one end of the support rod is hingedly connected with the interior of the mounting slot, the telescopic rod is slidably connected with the interior of the support rod, the support rod and the telescopic rod are both provided with the limiting hole, the telescopic spring is fixedly installed in the limiting hole of the telescopic rod, the other end of the telescopic spring is fixedly installed with the clamping block, the clamping block is matched with the limiting hole, and the telescopic rod is matched with the insertion hole.

[0009] As a preferred scheme, the stabilizing device comprises two groups of stabilizing ribs, a fixed shaft is fixedly installed between the rear sides of the two groups of seat side plates and below the cushion, the fixed shaft is rotatably connected with the connecting piece at both ends of the circumferential surface of the fixed shaft, and the front surface of the backrest is fixedly installed with the baffle above the cushion.

[0010] As a preferred scheme, the two groups of stabilizing ribs are fixedly installed on the opposite side surfaces of the two groups of seat side plates, and the two groups of connecting pieces are fixedly connected with the bottom of the cushion.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. When the movable desktop needs to be used, the stop block is pulled out of the desktop storage box, the sliding groove slides along the surface of the fixed rod, the movable desktop is turned over to be in a horizontal state, then the telescopic rod is rotated and pulled out, the telescopic spring pops out the clamping block to be clamped in the limiting hole, at the same time, the other end of the telescopic rod is inserted into the insertion hole, a stable support structure is formed for the movable desktop, the writing experience is not affected due to the shaking or tilting of the desktop, after use, the telescopic rod is pulled out of the insertion hole, then the telescopic rod and the support rod are stored in the mounting slot, then the movable desktop is completely inserted into the desktop storage box, and the movable desktop is hidden, and no extra space is occupied.

[0013] 2、By setting the stabilizing device, when the personnel have the demand of using the cushion, manually rotating the cushion, and the connecting piece connected therewith starts to rotate on the surface of the fixed shaft, until the rear surface of the cushion is accurately and completely matched with the baffle, and the front side bottom of the cushion is also stably contacted with the two stabilizing ribs, the cushion can be in a very stable state, effectively preventing the hidden danger of cushion damage caused by bearing excessive gravity, after use, lifting the cushion upward, at this time, the connecting piece will rotate reversely according to the mechanical principle, and then drive the cushion to be smoothly turned over to the vertical state, effectively avoiding the extra space occupied when the cushion is placed flat, so that the overall space layout is more neat and orderly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a back view three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a back view three-dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is a right view sectional structure schematic diagram of the utility model;

[0017] Figure 4 It is a bottom view three-dimensional structure schematic diagram of the utility model;

[0018] Figure 5 It is a movable table top unfolded three-dimensional structure schematic diagram of the utility model;

[0019] Figure 6 It is a movable table top structure schematic diagram of the utility model;

[0020] Figure 7 It is a table top storage box structure schematic diagram of the utility model;

[0021] Figure 8 It is a front view sectional structure schematic diagram of the supporting rod and telescopic rod of the utility model.

[0022] In the drawing: 1, seat side plate; 2, backrest; 3, cushion; 4, writing table folding device; 5, stabilizing device; 6, protective pad; 7, soft pad; 401, seat back plate; 402, table top storage box; 403, movable table top; 404, jack; 405, abutment; 406, sliding groove; 407, supporting rod; 408, telescopic rod; 409, limiting groove; 410, fixed rod; 411, telescopic spring; 412, clamping block; 413, mounting groove; 414, slot; 501, stabilizing rib; 502, baffle; 503, fixed shaft; 504, connecting piece. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Embodiment one

[0024] Please refer to the accompanying Figure 1 - accompanying Figure 8 A hidden folding writing table suitable for the seats of a report hall, comprising two groups of seat side plates 1, backrests 2 and seat cushions 3, the back surface of the backrest 2 is provided with a writing table folding device 4, the writing table folding device 4 comprises a seat back plate 401, the seat back plate 401 is connected with a fixed rod 410 through a table top storage box 402, the table top storage box 402 is connected with a stop block 405 through a movable table top 403, the front side upper end and the rear side inner part of the table top storage box 402 are respectively provided with a notch 414 and a limiting groove 409, the movable table top 403 is connected with a supporting rod 407 and a telescopic rod 408 through a mounting groove 413, the left and right sides of the movable table top 403 are provided with a sliding groove 406, the front surface of the table top storage box 402 is provided with two groups of jacks 404, the surfaces of the two groups of seat side plates 1 are both fixedly installed with protective pads 6, the protective pads 6 are arranged to avoid the hands of personnel from being hit, the backrest 2 is fixedly installed on the rear side between the two groups of seat side plates 1, the surface of the seat cushion 3 is fixedly installed with a soft pad 7, the soft pad 7 is arranged to improve the comfort of the seat, the bottom of the seat cushion 3 is provided with a stabilizing device 5, the seat back plate 401 is fixedly installed on the surface of the backrest 2, the table top storage box 402 is fixedly installed on the surface of the seat back plate 401, the fixed rod 410 is fixedly installed on the upper end inside the table top storage box 402, and the fixed rod 410 is slidably connected with the sliding groove 406, the stop block 405 is fixedly installed on one side of the bottom of the movable table top 403, and the stop block 405 is matched with the notch 414, the movable table top 403 is slidably connected inside the table top storage box 402, the mounting groove 413 is provided with two groups and is arranged on the bottom surfaces of the left and right sides of the movable table top 403, one end of the supporting rod 407 is hingedly connected inside the mounting groove 413, the telescopic rod 408 is slidably connected inside the supporting rod 407, one end of the supporting rod 407 and the telescopic rod 408 is both provided with a limiting hole, and a telescopic spring 411 is fixedly installed inside the limiting hole of the telescopic rod 408, the other end of the telescopic spring 411 is fixedly installed with a clamping block 412, and the clamping block 412 is matched with the limiting hole, and the telescopic rod 408 is matched with the jacks 404.

[0025] When the mobile table 403 is pulled out and laid flat, one end of the mobile table 403 is just embedded in the limiting groove 409 of the table storage box 402, and the surface is just placed on the surface of the slot 414. The limiting hole is arranged at one end of the telescopic rod 408 and the supporting rod 407. When the clamping block 412 is clamped with the limiting hole of the supporting rod 407, the telescopic rod 408 is in the longest length, and is just inserted into the jack 404. When the telescopic rod 408 is retracted, the clamping block 412 is pressed, and the telescopic rod 408 is retracted in the supporting rod 407, so that the telescopic rod 408 can be completely stored in the mounting groove 413, and the mobile table 403 is stored in the table storage box 402.

[0026] Specifically, when the mobile table 403 is needed, the stopper 405 is pulled, the mobile table 403 is pulled out from the table storage box 402, the sliding groove 406 moves on the surface of the fixed rod 410, and the mobile table 403 is turned over when pulled to the uppermost position, so that the mobile table 403 is horizontal. Then the telescopic rod 408 is rotated and pulled out until the clamping block 412 is pulled out by the telescopic spring 411 and clamped with the limiting hole. At this time, the other end of the telescopic rod 408 is inserted into the jack 404, which further supports the mobile table 403, prevents the table from tilting or shaking when a person writes on the mobile table 403, and after use, the telescopic rod 408 is pulled out of the jack 404. The telescopic rod 408 and the supporting rod 407 are stored in the mounting groove 413, then the mobile table 403 is rotated and inserted into the table storage box 402 to hide it, so as not to occupy space, which has high practicability. Embodiment two

[0027] Please refer to the accompanying Figure 1 -Appendix Figure 4 On the basis of embodiment one, it is further obtained that the stabilizing device 5 comprises two groups of stabilizing ribs 501, and a fixed shaft 503 is fixedly installed between the rear sides of the two groups of seat side plates 1 and below the cushion 3. The circumferential surface of the fixed shaft 503 is rotatably connected with a connecting piece 504 at both ends, a baffle 502 is fixedly installed on the front surface of the backrest 2 and above the cushion 3, the two groups of stabilizing ribs 501 are fixedly installed on the opposite side surfaces of the two groups of seat side plates 1 respectively, and the two groups of connecting pieces 504 are fixedly connected with the bottom of the cushion 3.

[0028] In some report halls, the cushion 3 may be laid flat, which may reduce the width of the aisle and increase the risk of collision when people pass through. By folding the cushion 3, space is released, and the bottom stabilizing ribs 501 and the baffle 502 are arranged, so that the cushion 3 has strong stability when in use, and is prevented from being damaged by sitting.

[0029] Specifically, when the personnel need to use the cushion 3, rotate the cushion 3, the connecting piece 504 rotates on the surface of the fixed shaft 503 until the rear surface of the cushion 3 is in full contact with the baffle 502 and the bottom of the front side is in contact with the two stable ribs 501, so that the cushion 3 is in a stable state, avoiding the problem that the cushion 3 is damaged due to bearing too much gravity, after use, lift the cushion 3, the connecting piece 504 reversely rotates, driving the cushion 3 to overturn to a vertical state, avoiding occupying space by laying flat.

[0030] The utility model discloses working principle: the utility model discloses a kind of hidden folding writing desk suitable for report hall seat, when needing to use mobile desktop 403, first, pull resistance block 405, mobile desktop 403 is extracted from desktop storage box 402, sliding slot 406 moves on the surface of fixed rod 410, pull to overturn mobile desktop 403 when being in uppermost, so that it is horizontal, one end of mobile desktop 403 is just embedded in the limiting slot 409 of desktop storage box 402, then rotate telescopic rod 408 and pull out, until block 412 is ejected and is clamped with limiting hole by telescopic spring 411, at this time, the other end of telescopic rod 408 is inserted into insertion hole 404, further play a supporting role to mobile desktop 403, prevent the desktop from being inclined or shaking when personnel writes on mobile desktop 403, after use, telescopic rod 408 is pulled out from insertion hole 404, telescopic rod 408 and support rod 407 are stored in mounting groove 413, then, rotate mobile desktop 403, immediately it is completed and inserted in desktop storage box 402 and hidden, when using cushion 3, rotate the cushion 3, the connecting piece 504 rotates on the surface of the fixed shaft 503 until the rear surface of the cushion 3 is in full contact with the baffle 502 and the bottom of the front side is in contact with the two stable ribs 501, so that the cushion 3 is in a stable state, avoiding the problem that the cushion 3 is damaged due to bearing too much gravity, after use, lift the cushion 3, the connecting piece 504 reversely rotates, driving the cushion 3 to overturn to a vertical state, store cushion 3, by this, entire process ends.

[0031] Finally, it should be noted that: the above only for preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A hidden folding writing desk suitable for auditorium seats, comprising two groups of seat side plates (1), backrests (2) and seat cushions (3), characterized in that: The back of the backrest (2) is provided with a writing desk folding device (4), the writing desk folding device (4) comprises a seat back plate (401), the seat back plate (401) is connected with a fixed rod (410) through a desktop storage box (402), the desktop storage box (402) is connected with a stop block (405) through a movable desktop (403), the front side upper end and the rear side inner part of the desktop storage box (402) are respectively provided with a notch (414) and a limiting groove (409), the movable desktop (403) is connected with a supporting rod (407) and a telescopic rod (408) through a mounting groove (413), the left and right sides of the movable desktop (403) are provided with a sliding groove (406), and the front surface of the desktop storage box (402) is provided with two groups of jack plugs (404).

2. A concealed folding writing desk suitable for use with auditorium seating according to claim 1, wherein: The surfaces of the two groups of seat side plates (1) are fixedly installed with protective pads (6), the backrest (2) is fixedly installed between the rear sides of the two groups of seat side plates (1), and the surface of the cushion (3) is fixedly installed with a soft pad (7).

3. The concealed folding writing desk suitable for use with auditorium seating of claim 1, wherein: The seat back plate (401) is fixedly installed on the surface of the backrest (2), the desktop storage box (402) is fixedly installed on the surface of the seat back plate (401), the fixed rod (410) is fixedly installed on the upper end of the inside of the desktop storage box (402), and the fixed rod (410) is in sliding connection with the sliding groove (406), the stop block (405) is fixedly installed on one side of the bottom of the movable desktop (403), and the stop block (405) is matched with the notch (414), and the movable desktop (403) is in sliding connection with the inside of the desktop storage box (402).

4. The concealed folding writing desk suitable for use with auditorium seating of claim 1, wherein: The mounting groove (413) is provided with two groups and is arranged on the bottom surfaces of the left and right sides of the movable desktop (403), one end of the supporting rod (407) is hinged to the inside of the mounting groove (413), the telescopic rod (408) is in sliding connection with the inside of the supporting rod (407), one end of the supporting rod (407) and the telescopic rod (408) is provided with a limiting hole, a telescopic spring (411) is fixedly installed in the limiting hole of the telescopic rod (408), the other end of the telescopic spring (411) is fixedly installed with a clamping block (412), the clamping block (412) is matched with the limiting hole, and the telescopic rod (408) is matched with the jack plug (404).

5. The concealed folding writing table suitable for use with auditorium seating of claim 2, wherein: The stable device (5) comprises two groups of stable ribs (501), a fixed shaft (503) is fixedly installed between the rear sides of the two groups of seat side plates (1) and below the cushion (3), a baffle (502) is fixedly installed on the front surface of the backrest (2) and above the cushion (3).

6. A concealed folding writing desk suitable for use with auditorium seating according to claim 5 wherein: The two groups of stable ribs (501) are fixedly installed on the opposite side surfaces of the two groups of seat side plates (1), and the two groups of connecting pieces (504) are fixedly connected with the bottom of the cushion (3).

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