Anti-toppling dining chair for old people

Abstract

The utility model relates to the field of dining chairs, and discloses an anti-toppling dining chair for old people, which comprises a seat, the bottom of the seat is fixedly connected with a support frame, the top of the seat is fixedly connected with an armrest, a cross rod at the top end of the right side of the armrest is hinged with a hinge rod, and the top of the hinge rod is fixedly connected with a dinner plate. The bottom of the seat is fixedly connected with a first threaded rod, and the bottom end of the first threaded rod is connected with a second threaded rod through a threaded sleeve. According to the dining chair, through the seat, the supporting frame, the first threaded rod, the second threaded rod, the threaded sleeve, the contact plate and the sliding rod, when the dining chair is stopped at one position for a long time, the threaded sleeve is manually rotated to drive the second threaded rod to move downwards, so that the contact plate is driven to make contact with the ground, the effect of increasing friction force is achieved, and the parking effect is achieved; meanwhile, when the seat and the supporting frame incline through the outer side inclination angle of the contact plate, the outer side inclination angle of the contact plate makes contact with the ground preferentially, so that the inclination angle is restrained, and the inclination prevention effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dining chair field especially relates to a prevent toppling old dining chair. BACKGROUND

[0002] The prevent toppling old dining chair is a kind of safe, stable seat specially designed for the elderly, to improve their comfort and safety when dining.This kind of chair usually combines the principles of ergonomics, anti-slip materials and stable structure design, to ensure that the elderly can maintain stability in sitting and getting up process, reduce the risk of falling.

[0003] The existing old dining chair usually adopts single splicing type tray, installs the tray on the armrest of dining chair by artificial, and places the arm of the elderly on the tray.

[0004] However, the existing old dining chair is usually composed of upright support and seat cushion, when the body of the elderly is inclined, the whole dining chair is easily inclined, cannot effectively prevent the dining chair from toppling, and the safety of the elderly cannot be guaranteed, therefore, a prevent toppling old dining chair is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a prevent toppling old dining chair, to improve the problem that the dining chair cannot be effectively prevented from toppling in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a prevent toppling old dining chair, including seat, the seat bottom is fixedly connected with support frame, the seat top is fixedly connected with armrest, the armrest right side top end cross bar is hinged with hinge rod, the hinge rod top is fixedly connected with tray, the seat bottom is fixedly connected with threaded rod one, the threaded rod one bottom is connected with threaded rod two through threaded sleeve, the threaded rod two bottom is fixedly connected with contact plate, the contact plate top two sides are fixedly connected with slide rod.

[0007] As a further description of the above technical scheme:

[0008] The armrest left side top end cross bar is fixedly connected with fixed rod, the fixed rod top is fixedly connected with magnetic attraction stone, the tray bottom left side is provided with magnetic attraction groove, the support frame bottom is fixedly connected with universal wheel, the support frame outer wall bottom is hinged with foot pedal, the seat left side outer wall is fixedly connected with support seat.

[0009] As a further description of the above technical scheme:

[0010] The threaded sleeve top is threadedly connected on the bottom outer wall of threaded rod one, and the threaded sleeve bottom is threadedly connected on the top outer wall of threaded rod two.

[0011] As a further description of the above technical solutions:

[0012] The top end of the contact plate is in contact with the bottom of the support frame, and the sliding rod is slidingly connected to the inner wall of the support frame.

[0013] As a further description of the above technical solutions:

[0014] The articulated rod is in contact with the top groove of the support seat.

[0015] As a further description of the above technical solutions:

[0016] The top of the magnetic stone is clamped to the inner wall of the magnetic groove.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, when the dining chair is stopped at one place for a long time, the threaded sleeve is manually rotated to drive the threaded rod two to move downward, thereby driving the contact plate to contact the ground, realizing the effect of increasing friction, and playing a parking role. At the same time, when the seat and the support frame are inclined through the inclination angle of the outer side of the contact plate, the inclination angle of the outer side of the contact plate contacts the ground first, thereby inhibiting the inclination angle and achieving the effect of preventing inclination.

[0019] 2. In the utility model, when feeding the elderly, the dining tray is manually unfolded to open the seat opening, the elderly are then helped to sit on the seat, and the dining tray is then turned downward, the magnetic groove is adhered to the magnetic stone through the dining tray, the dining tray is kept stable, and a certain space is left between the bottom of the dining tray and the top of the handrail, thereby providing a comfortable place for the arms of the elderly when feeding them. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A seat three-dimensional schematic view of the anti-toppling dining chair for the elderly is provided for the utility model;

[0021] Figure 2 A threaded sleeve three-dimensional schematic view of the anti-toppling dining chair for the elderly is provided for the utility model;

[0022] Figure 3 A dining tray unfolded three-dimensional schematic view of the anti-toppling dining chair for the elderly is provided for the utility model;

[0023] Figure 4 A pedal split three-dimensional schematic view of the anti-toppling dining chair for the elderly is provided for the utility model.

[0024] LEGEND:

[0025] 1, seat; 2, support frame; 3, universal wheel; 4, footrest; 5, armrest; 6, hinged rod; 7, dining tray; 8, fixed rod; 9, magnetic attraction stone; 10, magnetic attraction groove; 11, threaded rod one; 12, threaded sleeve; 13, threaded rod two; 14, contact plate; 15, sliding rod; 16, support seat. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Referring to Figures 1-3 A dining chair for the elderly preventing from falling, including seat 1, the top of seat 1 is provided with soft sponge, which is used to provide comfortable sitting position for the elderly, the bottom of seat 1 is fixedly connected with support frame 2, support frame 2 is provided with outward inclination, which is used to provide stability for the whole seat 1 and achieve the effect of preventing from falling, the top of seat 1 is fixedly connected with armrest 5, the top of armrest 5 is provided with soft sponge, which is used to provide comfortable placing area for the arms of the elderly, the top of right side of armrest 5 is hingedly connected with hinged rod 6, hinged rod 6 is used to open or close dining tray 7, which is used to extend and lift dining tray 7, the top of hinged rod 6 is fixedly connected with dining tray 7, dining tray 7 is used to place food for the elderly, which provides mobile dining table for the elderly with inconvenient movement.

[0028] Referring to Figures 2-3 The bottom of seat 1 is fixedly connected with threaded rod one 11, the bottom end of threaded rod one 11 is connected with threaded rod two 13 through threaded sleeve 12, threaded rod one 11 and threaded rod two 13 are opposite threads, which are used to simultaneously expand or contract threaded rod one 11 and threaded rod two 13 through threaded sleeve 12, the bottom of threaded rod two 13 is fixedly connected with contact plate 14, the bottom of contact plate 14 is provided with a plurality of groups of concave grooves, which are used to contact with the ground and increase friction, which plays the role of parking, the outer side is provided with inclination, which is used to inhibit the whole seat 1 and support frame 2 from tilting and achieve the effect of preventing from falling, the top of both sides of contact plate 14 is fixedly connected with sliding rod 15, one side of sliding rod 15 is provided with two groups, which are used to keep contact plate 14 vertically stable up and down movement and keep a certain connection rigidity with support frame 2, the top end of threaded sleeve 12 is threadedly connected on the bottom end outer wall of threaded rod one 11, the bottom end of threaded sleeve 12 is threadedly connected on the top end outer wall of threaded rod two 13, threaded sleeve 12 is used to threadedly connect threaded rod one 11 and threaded rod two 13, which shortens the lifting stroke and facilitates fast descent and ascent of contact plate 14, the top end of contact plate 14 contacts with the bottom of support frame 2, sliding rod 15 is slidingly connected on the inner wall of support frame 2

[0029] With reference to Figures 1-3 , the left top horizontal rod of the handrail 5 is fixedly connected with a fixed rod 8, the fixed rod 8 is used for providing a right side supporting point for the dinner plate 7 and keeping it horizontally stable, the top of the fixed rod 8 is fixedly connected with a magnetic stone 9, the magnetic stone 9 is used for adsorbing a magnetic groove 10 to make the left side of the dinner plate 7 adhere to the top of the fixed rod 8 and keep horizontally stable, the bottom left side of the dinner plate 7 is provided with the magnetic groove 10, the magnetic groove 10 is provided with two groups, which are used for adsorbing the magnetic stone 9 when the dinner plate 7 is used, so that the dinner plate 7 keeps horizontally stable.

[0030] With reference to Figures 2-4 , the bottom of the supporting frame 2 is fixedly connected with a universal wheel 3, the universal wheel 3 is used for conveniently moving in a short distance, so that the dining chair and the wheelchair are integrated, the bottom end of the outer wall of the supporting frame 2 is hingedly connected with a footrest 4, the footrest 4 is used for providing an overhead placement position for the feet and legs of the old people, improving the comfort of the sitting posture, a stopper is arranged at the back of the transfer position, which is used for limiting the backward rotation of the footrest 4, the left outer wall of the seat 1 is fixedly connected with a supporting seat 16, the supporting seat 16 is used for providing support when the dinner plate 7 is unfolded, avoiding the direct impact on the supporting frame 2 due to the too large turning angle, the top recess of the supporting seat 16 is in contact with the hinged rod 6, and the top of the magnetic stone 9 is clamped on the inner wall of the magnetic groove 10.

[0031] Working principle: when the seat 1 is stopped at one place for a long time, the threaded sleeve 12 is manually rotated downward on the outer wall of the threaded rod one 11, at the same time, the sliding rod 15 slides on the inner wall of the supporting frame 2, so that the contact plate 14 can only keep vertically downward movement, so that the threaded sleeve 12 extrudes and drives the threaded rod two 13 to rotate downward, then the threaded rod two 13 drives the contact plate 14 to contact the ground, realizing the effect of increasing the friction force, and playing the role of parking, at the same time, the contact plate 14 is provided with an outer side inclination, so that when the seat 1 and the supporting frame 2 are suddenly inclined, the inclination of the outer side of the contact plate 14 contacts the ground first, providing a reverse supporting force for the supporting frame 2 and the seat 1, so as to achieve the effect of inhibiting the inclination angle, achieving the effect of anti-inclination, improving the safety protection effect of the old people.

[0032] When feeding the old people with food, the opening of the seat 1 is opened by manually unfolding the dinner plate 7, at the same time, the hinged rod 6 is in contact with the supporting seat 16, so that the dinner plate 7 keeps upright on the left side, then the old people are sat on the seat 1, then the dinner plate 7 is turned downward, the magnetic groove 10 is adhered to the magnetic stone 9 through the dinner plate 7, so that the dinner plate 7 keeps stable and adheres to the top of the fixed rod 8, at the same time, a certain space is left between the bottom of the dinner plate 7 and the top of the handrail 5, when feeding the old people with food, a comfortable place is provided for the arms of the old people, preventing the uncomfortable situation caused by long sitting, and through the setting of the universal wheel 3 and the footrest 4, when the old people need to be moved in a short distance, the contact plate 14 can be lifted by rotating the threaded sleeve 12, achieving the effect of convenient transfer, improving the multifunctionality of the dining chair.

[0033] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been 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 principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. Anti-tip dining chair for the elderly, comprising a seat (1), characterized in that: The seat (1) bottom fixedly connected with support frame (2), the seat (1) top fixedly connected with armrest (5), the armrest (5) right side top horizontal rod hinged with hinged rod (6), the hinged rod (6) top fixedly connected with tray (7), the seat (1) bottom fixedly connected with threaded rod one (11), the threaded rod one (11) bottom end is connected with threaded rod two (13) through threaded sleeve (12), the threaded rod two (13) bottom fixedly connected with contact plate (14), the contact plate (14) top both sides fixedly connected with slide rod (15).

2. A tip resistant elderly dining chair according to claim 1, characterized in that: The armrest (5) left side top horizontal rod fixedly connected with fixed rod (8), the fixed rod (8) top fixedly connected with magnetic stone (9), the tray (7) bottom left side is provided with magnetic slot (10), the support frame (2) bottom fixedly connected with universal wheel (3), the support frame (2) outer wall bottom hinged with foot pedal (4), the seat (1) left side outer wall fixedly connected with support seat (16).

3. The tip-resistant elderly dining chair of claim 1, wherein: The threaded sleeve (12) top is threadedly connected on the bottom end outer wall of threaded rod one (11), the threaded sleeve (12) bottom is threadedly connected on the top end outer wall of threaded rod two (13).

4. The tip-resistant elderly dining chair of claim 1, wherein: The contact plate (14) top and support frame (2) bottom contact, the slide rod (15) is slidably connected on the inner wall of support frame (2).

5. The tip-resistant elderly dining chair according to claim 2, wherein: The hinged rod (6) and support seat (16) top recess contact.

6. The tip-resistant elderly dining chair according to claim 2, wherein: The magnetic stone (9) top is clamped on the inner wall of magnetic slot (10).

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