Armrest stand chair

Abstract

The utility model discloses a handrail stand chair which comprises a base support, a backrest support, a connecting assembly, a handrail assembly and a hinge assembly, the backrest support is arranged on the side of the top of the base support, the connecting assembly is arranged between the backrest support and the base support, and the connecting assembly is used for folding storage and unfolding fixation of the backrest support. The armrest assembly is arranged on the side of the front face of the backrest support, the hinge assembly is arranged between the armrest assembly and the backrest support, and the hinge assembly is used for folding storage and unfolding fixation of the armrest assembly. According to the utility model, the base bracket, the backrest bracket, the connecting component, the armrest component and the hinge component are matched for use, so that the backrest bracket can be folded for storage or vertically unfolded for use under the action of the connecting component, and the armrest component can be folded for storage or unfolded for use under the action of the hinge component; therefore, the practical performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of seat, especially involves a handrail stand chair. BACKGROUND

[0002] The stand seat is the seat for public places such as stadium, theatre, performance site, meeting center, aims at providing comfortable viewing experience for audience, and the design and layout of stand seat usually consider audience's sight, comfort, durability and safety.

[0003] But the stand seat of prior art is usually formed by welding square tube of iron material, then sets cushion, backrest and handrail on square tube support, and the stand seat of prior art with handrail usually has insufficient height and insufficient length, so there is certain defect. INNOVATION CONTENT

[0004] The utility model aims at providing a handrail stand chair to solve the problems in the above background.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a handrail stand chair, comprising:

[0006] Base support;

[0007] Backrest support, the backrest support is arranged at the side of the top of base support;

[0008] Connecting assembly, the connecting assembly is arranged between backrest support and base support, and the connecting assembly is used for folding and storing and unfolding and fixing backrest support;

[0009] Handrail assembly, the handrail assembly is arranged at the side of the front of backrest support;

[0010] Hinge assembly, the hinge assembly is arranged between handrail assembly and backrest support, and the hinge assembly is used for folding and storing and unfolding and fixing handrail assembly.

[0011] Preferably, the connecting assembly comprises:

[0012] First ear plate, the first ear plate is fixedly connected to the top of connecting sleeve, and the first ear plate is located at the side of backrest support.

[0013] Preferably, the connecting assembly further comprises:

[0014] Fixed shaft, the fixed shaft is fixedly installed on the first ear plate.

[0015] Preferably, the hinge assembly comprises:

[0016] Fixing piece, the fixing piece is fixedly installed at the side of the front of backrest support.

[0017] A second lug, a top of the second lug is fixedly connected with the handrail assembly;

[0018] A connecting shaft, the connecting shaft is fixedly installed on the fixed part, an end of an outer wall of the connecting shaft is rotationally connected with the second lug.

[0019] Preferably, the hinge assembly further comprises:

[0020] A connecting hole, the connecting hole is formed on a side of the fixed part;

[0021] A locking rod, an outer wall of the locking rod is slidingly sleeved with an inner cavity of the connecting hole;

[0022] A clamping groove, the clamping groove is formed on a bottom of the second lug, an end of the outer wall of the locking rod is slidingly clamped with an inner cavity of the clamping groove.

[0023] Preferably, the hinge assembly further comprises:

[0024] A handle, the handle is fixedly connected with the end of the outer wall of the locking rod;

[0025] A tension spring, the tension spring is hung between the locking rod and the fixed part, the tension spring exerts a spring force on the locking rod towards the second lug.

[0026] Preferably, the handrail assembly comprises:

[0027] A handrail plate, one end of the handrail plate is fixedly connected with the second lug;

[0028] A connecting shell, the connecting shell is slidingly sleeved with an outer part of the handrail plate;

[0029] A first fixed block, the first fixed block is fixedly connected with a bottom of an inner wall of the connecting shell;

[0030] A second fixed block, the second fixed block is fixedly connected with a side of a bottom of the handrail plate.

[0031] Preferably, the handrail assembly further comprises:

[0032] A positioning rod, an outer wall of the positioning rod is slidingly insertedly sleeved with the second fixed block, a bottom of the connecting shell is equidistantly formed with a positioning hole matched with the positioning rod;

[0033] A connecting block, the connecting block is fixedly connected with a top of the positioning rod, a top of the second fixed block is formed with a mounting groove matched with the connecting block;

[0034] A fixed rod, a bottom of the fixed rod is fixedly connected with the second fixed block, an outer wall of the fixed rod is slidingly insertedly sleeved with the connecting block;

[0035] The limiting spring is sleeved on the outside of the fixed rod and is located on the top of the connecting block.

[0036] The utility model discloses technical effects and advantages:

[0037] The utility model discloses the cooperation use mode of base support, backrest support, connecting component, handrail subassembly and hinge subassembly, under the action of connecting component, can make backrest support folding storage or vertical unfolding use, and under the action of hinge subassembly, can fold storage or unfold use to handrail subassembly, and the handrail can be folded down and stored creatively, and the problem of insufficient handrail height and length is solved, thereby improving practical performance. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is whole structure schematic diagram of the utility model;

[0039] Figure 2 It is whole structure schematic diagram of the utility model handrail subassembly folding;

[0040] Figure 3 It is whole structure schematic diagram of the utility model handrail subassembly and backrest support folding;

[0041] Figure 4 It is connecting sleeve front inside structure schematic diagram of the utility model;

[0042] Figure 5 It is fixed part place explosion structure schematic diagram of the utility model;

[0043] Figure 6 It is connecting casing part side inside structure schematic diagram of the utility model.

[0044] In the drawing: 1, base support;2, backrest support;3, connecting component;31, connecting sleeve;32, first ear plate;33, fixed shaft;34, sliding hole;4, handrail subassembly;41, handrail plate;42, connecting casing;43, first fixed block;44, second fixed block;45, positioning rod;46, connecting block;47, fixed rod;48, limiting spring;5, hinge assembly;51, fixed part;52, second ear plate;53, connecting shaft;54, locking rod;55, clamping groove;56, connecting hole;57, handle;58, tension spring. DETAILED DESCRIPTION

[0045] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0046] The utility model provides a kind of handrail stand chair as Figures 1-6 Indicated in the utility model.

[0047] Embodiment 1

[0048] Including base support 1, backrest support 2, connecting component 3, handrail component 4 and hinged component 5, backrest support 2 is set to the side of the top of base support 1, connecting component 3 is set between backrest support 2 and base support 1, connecting component 3 is used to fold and store and unfold fixed backrest support 2, as shown in Figure 1 And Figure 3 Indicated, backrest support 2 can be unfolded vertically and folded horizontally by connecting component 3, handrail component 4 is set to the side of the front of backrest support 2, hinged component 5 is set between handrail component 4 and backrest support 2, hinged component 5 is used to fold and store and unfold fixed handrail component 4, as shown in Figure 1 And Figure 2 Indicated, handrail component 4 can be unfolded horizontally and stored vertically relative to backrest support 2 by hinged component 5, and as shown in Figure 3 Indicated, backrest support 2 and handrail component 4 can be folded and stored relative to base support 1.

[0049] Especially, connecting component 3 includes connecting sleeve 31, first ear plate 32, fixed shaft 33 and sliding hole 34, the bottom of connecting sleeve 31 is fixedly connected with base support 1, the bottom of the outer wall of backrest support 2 is slidably sleeved with connecting sleeve 31, and backrest support 2 is sleeved in the inside of connecting sleeve 31, connecting sleeve 31 can be connected and locked to the backrest support 2 in vertical state, and the stability of the bottom of the outer wall of backrest support 2 and connecting sleeve 31 can be ensured by the weight of backrest support 2 and handrail component 4 itself, first ear plate 32 is fixedly connected to the top of connecting sleeve 31, first ear plate 32 is located on the side of backrest support 2, fixed shaft 33 is fixedly installed on first ear plate 32, sliding hole 34 is opened in the bottom of the side of backrest support 2, the outer wall of fixed shaft 33 is slidably sleeved with the inner cavity of sliding hole 34, the backrest support 2 is pulled upward, so that the backrest support 2 is slid relative to fixed shaft 33 through sliding hole 34, so that the bottom of the outer wall of backrest support 2 is separated from connecting sleeve 31, so that the backrest support 2 can be rotated relative to fixed shaft 33, so that the backrest support 2 can be folded and stored.

[0050] Further, the hinge assembly 5 comprises a fixing piece 51, a second lug plate 52, a connecting shaft 53, a connecting hole 56, a locking rod 54 and a clamping groove 55, the fixing piece 51 is fixedly installed on the side of the front surface of the back support 2, the top of the second lug plate 52 is fixedly connected with the handrail assembly 4, the connecting shaft 53 is fixedly installed on the fixing piece 51, the end of the outer wall of the connecting shaft 53 is rotationally connected with the second lug plate 52, the connecting hole 56 is formed in the side of the fixing piece 51, the outer wall of the locking rod 54 is slidably sleeved with the inner cavity of the connecting hole 56, the clamping groove 55 is formed in the bottom of the second lug plate 52, the end of the outer wall of the locking rod 54 is slidably clamped with the inner cavity of the clamping groove 55, the locking rod 54 is clamped and locked with the second lug plate 52, so as to clamp and lock the horizontal handrail assembly 4, when the locking rod 54 is slid in the connecting hole 56, the locking rod 54 is separated from the clamping groove 55 on the second lug plate 52, so as to rotate and fold the handrail assembly 4 relative to the connecting shaft 53.

[0051] Further, the hinge assembly 5 further comprises a handle 57 and a tension spring 58, the handle 57 is fixedly connected with the end of the outer wall of the locking rod 54, the tension spring 58 is hung between the locking rod 54 and the fixing piece 51, the tension spring 58 acts on the locking rod 54 with a spring force towards the second lug plate 52, so as to ensure the stability of the clamping of the locking rod 54 with the clamping groove 55 on the second lug plate 52, and the spring force of the tension spring 58 acting on the locking rod 54 is greater than the weight of the locking rod 54 and the handle 57.

[0052] Embodiment 2

[0053] On the basis of the embodiment 1, the handrail assembly 4 comprises a handrail plate 41, a connecting shell 42, a first fixing block 43 and a second fixing block 44, one end of the handrail plate 41 is fixedly connected with the second lug plate 52, the connecting shell 42 is slidably sleeved with the outside of the handrail plate 41, the first fixing block 43 is fixedly connected with the bottom of the inner wall of the connecting shell 42, and the second fixing block 44 is fixedly connected with one side of the bottom of the handrail plate 41, as shown in Figure 6 Under the action of the first fixing block 43 and the second fixing block 44, the connecting shell 42 not only can keep the stable sliding connection state with the handrail plate 41, but also can avoid the sliding separation of the connecting shell 42 from the handrail plate 41.

[0054] Further, the handrail assembly 4 further comprises a positioning rod 45, a connecting block 46, a fixing rod 47 and a limiting spring 48, the outer wall of the positioning rod 45 is slidably sleeved with the second fixing block 44, the bottom of the connecting shell 42 is equidistantly provided with a positioning hole matched with the positioning rod 45, the positioning rod 45 is clamped with the positioning hole, so that the connecting shell 42 outside the handrail plate 41 can be clamped and locked, the connecting block 46 is fixedly connected to the top of the positioning rod 45, the top of the second fixing block 44 is provided with an installation groove matched with the connecting block 46, the bottom of the fixing rod 47 is fixedly connected with the second fixing block 44, the outer wall of the fixing rod 47 is slidably sleeved with the connecting block 46, the limiting spring 48 is slidably sleeved outside the fixing rod 47, the limiting spring 48 is located at the top of the connecting block 46, the limiting spring 48 can give the positioning rod 45 an elastic force through the connecting block 46, so as to ensure the stability of the clamping of the positioning rod 45 and the positioning hole, and extrude the bottom of the positioning rod 45, so that the positioning rod 45 is separated from the positioning hole, so that the connecting shell 42 can slide relative to the handrail plate 41, so as to change the length of the handrail assembly 4.

[0055] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting 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. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An armchair for grandstands, characterized in that, include: Base bracket (1); Backrest bracket (2), the backrest bracket (2) is disposed on the side of the top of the base bracket (1); A connecting component (3) is disposed between the backrest support (2) and the base support (1). The connecting component (3) is used to fold and store the backrest support (2) and unfold and fix it. Armrest assembly (4), the armrest assembly (4) is disposed on the side of the front of the backrest support (2); A hinge assembly (5) is disposed between the armrest assembly (4) and the backrest support (2). The hinge assembly (5) is used to fold and store the armrest assembly (4) and unfold and fix it.

2. The armchair according to claim 1, characterized in that, The connection component (3) includes: The first ear plate (32) is fixedly connected to the top of the connecting sleeve (31) and is located on the side of the backrest bracket (2).

3. The armchair according to claim 2, characterized in that, The connection component (3) further includes: A fixed shaft (33) is fixedly installed on the first ear plate (32).

4. The armchair with armrests according to claim 1, characterized in that, The hinge assembly (5) includes: Fixing member (51), the fixing member (51) is fixedly installed on the side of the front of the backrest bracket (2); The second ear plate (52) is fixedly connected to the top of the armrest assembly (4); A connecting shaft (53) is fixedly installed on a fixing member (51), and the end of the outer wall of the connecting shaft (53) is rotatably connected to the second ear plate (52).

5. The armchair according to claim 4, characterized in that, The hinge assembly (5) also includes: A connecting hole (56) is provided on the side of the fastener (51); Locking rod (54), the outer wall of the locking rod (54) is slidably sleeved with the inner cavity of the connecting hole (56); The slot (55) is located at the bottom of the second ear plate (52), and the end of the outer wall of the locking rod (54) is slidably engaged with the inner cavity of the slot (55).

6. The armchair according to claim 5, characterized in that, The hinge assembly (5) also includes: A handle (57) is fixedly connected to the end of the outer wall of the locking rod (54); A tension spring (58) is attached between the locking rod (54) and the fixing member (51), and the tension spring (58) acts on the locking rod (54) with a spring force toward the second ear plate (52).

7. The armchair according to claim 4, characterized in that, The armrest assembly (4) includes: Handrail (41), one end of which is fixedly connected to the second ear plate (52); A connecting housing (42) is slidably sleeved on the outside of the handrail plate (41); The first fixing block (43) is fixedly connected to the bottom of the inner wall of the connecting housing (42); The second fixing block (44) is fixedly connected to one side of the bottom of the handrail (41).

8. The armchair according to claim 7, characterized in that, The armrest assembly (4) also includes: The positioning rod (45) has an outer wall that is slidably inserted into the second fixing block (44), and the bottom of the connecting housing (42) is provided with positioning holes that match the positioning rod (45) at equal intervals. Connecting block (46), the connecting block (46) is fixedly connected to the top of the positioning rod (45), and the top of the second fixing block (44) is provided with an installation groove that matches the connecting block (46); A fixing rod (47) is fixedly connected to the bottom of a second fixing block (44), and the outer wall of the fixing rod (47) is slidably inserted into the connecting block (46). A limiting spring (48) is slidably sleeved on the outside of the fixing rod (47) and the limiting spring (48) is located on the top of the connecting block (46).

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