CN218457704U

CN218457704U - Crash-proof learning chair for disabled people

Info

Publication number: CN218457704U
Application number: CN202222203361.9U
Authority: CN
Inventors: 张力元; 刘海群
Original assignee: Zhejiang Special Education Vocational College
Current assignee: Zhejiang Special Education Vocational College
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-02-10
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a disabled person prevents falling study chair aims at providing one kind and has and prevents falling the function, and disabled person safe in utilization prevents falling study chair. Including the chair body, the assembly pulley that the cushion, with cushion articulated back and be connected bottom the cushion has been put to the chair body, the cushion lateral wall is connected with the installation fixture block, the installation fixture block can be dismantled and be connected with the mounting box, the mounting box top is connected with the slidable arm and props, the mounting box bottom is connected with the telescopic stabilizer bar, the mounting box outer wall is provided with stabilizes the handle. The beneficial effects of the utility model are that: the stabilizer bar is supported on the bottom surface, so that the stability of the chair body can be improved, the disabled person is prevented from turning on one's side when rising from the chair body, and the stability is improved to play a role in preventing falling; the mounting box can be dismantled with the installation fixture block and be connected, as the supporting appliance of disabled person's walking, makes things convenient for the disabled person to shift the position, protects the people simultaneously and shifts other positions from the chair body, plays the effect of preventing falling.

Description

Anti-falling learning chair for disabled people

Technical Field

The utility model belongs to the technical field of the relevant technique of chair and specifically relates to indicate a disabled person prevents falling study chair.

Background

The study chair is a tool required by children and teenagers in study, most study chairs in the market are products for healthy children or teenagers, the children or the teenagers with disabled lower limbs and invariable movement have the condition of side turning or falling caused by inconvenient movement when using the study chair, the safety is poor, and certain danger exists.

Chinese patent grant publication no: CN 208550596U, entitled notice date 2019.03.01, discloses a chair back lifting device of a learning chair, which comprises a main pipe, a chair back section bar and an upper lock catch; the main pipe is a supporting structure of the learning chair and is respectively connected with the chair leg assembly, the chair seat assembly and the upper lock catch from bottom to top; the chair back section bar is fixedly connected with the chair back component, the lower end of the chair back component is inserted into the main pipe and the upper lock catch, and the chair back component can slide up and down in the main pipe and the upper lock catch; the upper lock catch can lock the positions of the chair back section bar and the main pipe. The adjustable back of the chair of the study chair has only been solved in this scheme design solution to effective locking satisfies the child of different heights and uses, but prevents falling and not have corresponding structural design to disabled person's use protection, has certain defect.

Therefore, the anti-falling learning chair for the disabled needs to be designed, the anti-falling can be effectively protected, and the use safety is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a overcome to lack among the prior art and prevent falling not enough of function, provide one kind and have and prevent falling the function, safe in utilization's the disabled person prevents falling study chair.

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

the utility model provides a disabled person is with preventing falling study chair, includes the chair body, the assembly pulley that the cushion, with cushion articulated back and be connected bottom the cushion is put to the chair body, the cushion lateral wall is connected with the installation fixture block, the installation fixture block can be dismantled and be connected with the mounting box, the mounting box top is connected with the slidable armlet, the mounting box bottom is connected with the telescopic stabilizer bar, the mounting box outer wall is provided with stabilizes the handle.

The chair body comprises a cushion, a backrest and a pulley block, the backrest is hinged on the cushion, and the backrest can be adjusted to form a proper angle with the cushion to meet a comfortable sitting posture. The pulley block is installed to the below of cushion, and the chair body accessible pulley block removes. Connect the installation fixture block in the side of cushion, the demountable installation can be realized with the installation fixture block to the mounting box, is provided with the arm at the top of mounting box and props, and the arm props the arm when being used for supporting the position of sitting, and the arm props the arm and can slide from top to bottom, props the position through the adjustment arm for the position of sitting is more comfortable, when the disabled person rises from the cushion, plays certain support, prevents that the disabled person from falling down from the cushion. The stabilizer bar is connected to the bottom of the mounting box, the stabilizer bar is telescopic, when the disabled sits on the cushion, the stabilizer bar extends downwards, the lower end portion of the stabilizer bar is in contact with the ground, when the disabled sits on the cushion, the stabilizer bar can enable the chair body to be more stable in a relative mode, the chair body can play a role in falling prevention when the disabled stands up or moves, and the disabled can use the chair body to be safer. The stabilizing handle that sets up on the outer wall of mounting box can make the disabled person hold the stabilizing handle when rising from the cushion for it is safer to rise, plays and prevents falling the function.

Preferably, the installation fixture block is a U-shaped block, the inner wall of the installation fixture block is provided with an installation hole, the installation hole is provided with a limiting block, one end of the limiting block is connected with a spring, the other end of the limiting block is hemispherical, the spring is connected with the bottom surface of the installation hole, the side wall of the installation box is provided with a plurality of limiting holes which are uniformly distributed, and a slidable jacking block is arranged in the limiting holes. The utility model discloses a mounting box, including mounting box and mounting box, the mounting box is provided with the stabilizer bar, the one end of stopper is connected with the spring, the spring is connected with the mounting hole bottom surface, and simultaneously, the tip of stopper is the hemisphere, the spacing hole that sets up on the mounting box matches the installation with the stopper, when the installation, the stopper inserts in spacing hole, and push up the kicking block to spacing downthehole portion, make the mounting box mountable on the mounting box, the mounting box is as the installation subject of stabilizer bar and arm brace, the mounting box is the detachable part, can pull down the stabilizer bar of installation on mounting box and the mounting box and arm brace when needs and prop the support as the disabled person, can play the effect of protection disabled person getting up or walking, can prevent effectively that the disabled person from falling down.

Preferably, the mounting box terminal surface is provided with the mounting groove, be provided with the sliding plate in the mounting groove, the sliding plate is connected with the kicking block, be provided with the groove of stepping down in the supporting shoe of stabilizing the handle, the inslot of stepping down is provided with the connection piece, the tip of stabilizing the handle is provided with the button, connection piece one end is connected with the sliding plate, the connection piece other end is connected with the button. The sliding plate sets up in the mounting groove, the sliding plate is connected with the kicking block, the slip of sliding plate can drive the kicking block and remove in spacing downthehole, stabilize and install the button on hand, the button is connected with the connection piece of setting in stabilizing the handle support piece, when pushing down the button, the connection piece can drive the sliding plate and slide, it is outside ejecting to make the kicking block follow spacing hole, it is ejecting to enter into spacing downthehole stopper, can realize mounting box and the separation of installation fixture block, the function can be dismantled in the realization, when the disabled person stands up from the chair or walks, play the guard action, have and prevent falling the function.

Preferably, the top of the mounting box is provided with a sliding hole, a sliding rod is arranged below the arm support, the sliding rod is sleeved with the sliding hole, a first electric lifting rod is arranged in the mounting box and connected with the sliding rod, a first control button is arranged on the outer wall of the mounting box and arranged above the stabilizing handle, and the first control button is electrically connected with the first electric lifting rod. The slide opening props the guiding hole of the slide bar that the below set up as the arm, and the electric lift pole one that sets up in the mounting box can drive the slide bar and stretch out and draw back from top to bottom, and the position that adjustable arm propped makes it satisfy various position of sitting, and simultaneously, after the arm propped adjusts to certain height, can prevent that the disabled from taking place to fall when turning round on the cushion, plays the effect that the protection was prevented falling.

Preferably, a guide hole is formed in the bottom of the mounting box and is in sleeve joint with the stabilizer bar, a second electric lifting rod is arranged inside the mounting box and is connected with the stabilizer bar, a second control button is arranged on the outer wall of the mounting box and is arranged below the stabilizing handle, and the second control button is electrically connected with the second electric lifting rod. The guide hole plays the guide effect of stabilizer bar, electric lift pole two can drive the stabilizer bar and stretch out and draw back the action, when the disabled person sits on the cushion, electric lift pole two drive the stabilizer bar stretch down with the bottom surface contact, make the disabled person turn round on the chair body or when removing, can play the effect of stabilizing the chair body, when the disabled person gets off from the chair body simultaneously, the stabilizer bar supports the bottom surface, avoid the chair body to take place to turn on one's side, play the protection and prevent the effect that falls.

Preferably, the end part of the stabilizer bar is provided with a buffer rubber block, the bottom of the buffer rubber block is provided with a stabilizing hole, and the stabilizing hole is conical. The bottom surface of the buffering rubber block is provided with a conical stabilizing hole, so that the buffering rubber block can play a certain adsorption role on the opposite surface after contacting with the bottom surface, the supporting force and the friction force of the stabilizing rod and the bottom surface are improved, the stability is better, and the anti-falling effect is improved.

The utility model has the advantages that: the upper part of the mounting box is connected with the arm support, the lower part of the mounting box is connected with the stabilizer bar, the arm support and the stabilizer bar are both adjustable, the height adjustment of the arm support can effectively prevent the disabled from falling off when the disabled turns on the cushion, the stabilizer bar is supported on the bottom surface, the stability of the chair body can be improved, the disabled can be prevented from turning on one's side when getting up from the chair body, and the stability is improved to play a role in preventing falling; connect the installation fixture block on the cushion, the mounting box can be dismantled with the installation fixture block and be connected, can prop with the mounting box and install the arm on the mounting box and the stabilizer bar together takes down after the disabled person plays from the cushion, as the supporting device of disabled person's walking, makes things convenient for the disabled person to shift the position, has played the guard action that the disabled person shifted to another position from the chair body simultaneously, plays the effect of preventing falling.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the inside of the mounting box of the present invention;

FIG. 3 is a schematic view of the connection section of the middle connection piece of the present invention;

fig. 4 is a sectional view of the middle buffer rubber block of the present invention.

In the drawings, there is shown in the drawings,

1. the novel chair comprises a cushion, a backrest, a pulley block, a mounting box, an arm support, a stabilizer bar, a handle, a mounting hole, a limiting block 41, a spring, a limiting hole 50, a top block 51, a mounting groove 52, a sliding plate 53, a sliding hole 54, a sliding hole 55, an electric lifting rod I, a control button I, a guide hole 57, a guide hole 58, an electric lifting rod II, a control button II, a sliding rod 60, a buffer rubber block 70, a stabilizing hole 71, a relief groove 80, a connecting sheet 81, a button 82 and a safety device.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

Embodiment 1, as shown in fig. 1 to 4, a crash-proof learning chair for disabled persons comprises a chair body. The chair body is provided with a cushion 1, a backrest 2 hinged with the cushion 1 and a pulley block 3 connected with the bottom of the cushion 1. The side wall of the cushion 1 is connected with an installation clamping block 4. The mounting block 4 is detachably connected with a mounting box 5. The top of the mounting box 5 is connected with a slidable arm support 6. The bottom of the mounting box 5 is connected with a telescopic stabilizer bar 7. The side of the mounting box 5 is provided with a stabilizing handle 8.

The mounting fixture block 4 is a U-shaped block. The inner wall of the mounting fixture 4 is provided with a mounting hole 40. The mounting hole 40 is provided with a stopper 41. One end of the limiting block 41 is connected with a spring 42. The other end of the stopper 41 is shaped like a hemisphere. The spring 42 is connected to the bottom surface of the mounting hole 40. The side wall of the mounting box 5 is provided with a plurality of limiting holes 50 which are uniformly distributed. A slidable top block 51 is provided in the limiting hole 50.

The end face of the mounting box 5 is provided with a mounting groove 52. A sliding plate 53 is provided in the mounting groove 52. The sliding plate 53 is connected to the top block 51. A yielding groove 80 is arranged in the supporting block of the stabilizing handle 8. A connecting piece 81 is arranged in the receding groove 80. The end of the stabilising handle 8 is provided with a button 82. One end of the connecting piece 81 is connected to the sliding plate 53. The other end of the connecting piece 81 is connected to the button 82.

The top of the mounting box 5 is provided with a sliding hole 54. A slide bar 60 is arranged below the arm support 6. The slide rod 60 is fitted in the slide hole 54. An electric lifting rod I55 is arranged in the mounting box 5. The first electric lifting rod 55 is connected with the sliding rod 60. The outer wall of the mounting box 5 is provided with a first control button 56. Control button one 56 is positioned above the stabilizing handle 8. The first control button 56 is electrically connected with the first electric lifting rod 55.

The bottom of the mounting box 5 is provided with a guide hole 57. The guide hole 57 is fitted with the stabilizer bar 7. A second electric lifting rod 58 is arranged in the mounting box 5. The second electric lifting rod 58 is connected with the stabilizer bar 7. And a second control button 59 is arranged on the outer wall of the mounting box 5. The second control knob 59 is disposed below the stabilizing handle 8. The second control button 59 is electrically connected with the second electric lifting rod 58.

The end of the stabilizer bar 7 is provided with a cushion rubber block 70. The bottom of the cushion rubber block 70 is provided with a stabilizing hole 71. The stabilizing hole 71 is tapered in shape.

The utility model discloses a theory of operation does: as shown in fig. 1-4, the chair body comprises a cushion 1, a backrest 2 hinged on the cushion and a pulley block 3 installed below the cushion. Connect installation fixture block 4 in the side of cushion 1, installation fixture block 4 is the U-shaped, set up mounting hole 40 on the inner wall of installation fixture block 4, mounting hole 40 bottom surface is connected with spring 42, spring 42's the other end is connected with stopper 41, stopper 41's tip is hemispherical, can dismantle in installation fixture block 4 and connect a mounting box 5, mounting box 5's side is provided with the spacing hole 50 of a plurality of, stopper 41 inserts the installation that realizes mounting box 5 and installation fixture block 4 in spacing hole 50. Set up mounting groove 52 on mounting box 5, be provided with sliding plate 53 in the mounting groove 52, sliding plate 53 is connected with kicking block 51, kicking block 51 sets up in spacing hole 50, sliding plate 53's slip can drive kicking block 51 and slide in spacing hole 50, when sliding plate 53 slided to spacing hole 50 outward, kicking block 51 can be ejecting from spacing hole 50 with stopper 41, can realize mounting box 5 and mounting fixture block 4's being connected, realizes dismantling the connection. The slide plate 53 is connected with a connecting piece 81, and a stabilizing handle 8 is provided on the outer wall of the mounting box 4. Stabilize being provided with in the supporting shoe of handle 8 and stepping down groove 80, the one side that steps down groove 80 is close to mounting box 4 is provided with a supporting shoe, connection piece 81 has put the inslot that steps down, the inboard of connection piece 81 is arranged in to the supporting shoe, install a button 82 on stabilizing handle 8, button 82 is connected with connection piece 81, press button 82, connection piece 81 utilizes lever principle under the supporting role of supporting shoe, promote sliding plate 53 and kicking block 51 to the outside of spacing hole 50, it is ejecting to stopper 41, realize mounting box 5 and the dismantlement of installation fixture block 4. The stabilizing handle 8 can be used as a hand grip for the disabled to move on the seat to adjust the sitting posture, so that the disabled can stably move when the sitting posture is adjusted, and the function of protecting and preventing falling is achieved.

The upper portion of mounting box 5 is provided with slide opening 54, slide opening 54 cup joints the slide bar 60 that the arm propped the below setting, slide bar 60 is connected with the inside electric lift pole 55 that sets up of mounting box 5, set up control button 56 in the mounting box 5 outside, the top of stabilizing handle 8 is arranged in to control button 56, make things convenient for control button 56 to adjust electric lift pole 55 upwards to stretch out, drive slide bar 60 and arm props 6 upshifts, adjust to suitable position, prevent that the disabled person from falling from the side of cushion when moving on the cushion, play the effect that the protection was prevented falling, make safe in utilization.

The lower part of mounting box 5 is provided with guide hole 57, guide hole 57 cup joints with stabilizer bar 7, stabilizer bar 7 is the telescopic link, stabilizer bar 7 is connected with two 58 electric lift poles that the mounting box 5 is inside to be set up, mounting box 5 outside sets up control button two 59, the below of stabilizing handle 8 is arranged in to control button two 59, conveniently adjust the state of stabilizer bar 7, when the disabled person sits on the chair body, adjust stabilizer bar 7 and stretch down, and contact with the bottom surface, when the disabled person moves on the cushion, stabilizer bar 7 can play the stabilizing support effect, can improve the stability of chair body, prevent to turn on one's side, play the effect that the protection was prevented falling. The lower tip of stabilizer bar 7 is provided with the buffering and glues piece 70, and the buffering is glued piece 70 bottom and is set up stabilization hole 71, and stabilization hole 71 is the toper, and when stabilizer bar 7 moved down near the bottom surface, the buffering was glued piece 70 and is compressed, and stabilization hole 71 can produce certain suction, improves stabilizer bar 7's stability, and then realizes the stability of chair body, avoids taking place to turn on one's side, plays the protection and prevents the function that falls.

When the transfer from the chair body to another position, the hand grips stabilizing handle 8 to press button 82, make according to mounting box 5 and install arm brace 6 and stabilizer bar 7 on mounting box 5 and together take off, as the supporting apparatus of disabled person's walking, make things convenient for the disabled person to shift the position, played the guard action that the disabled person shifted to another position from the chair body simultaneously, play the effect of preventing falling, make safe in utilization.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a disabled person is with preventing falling study chair, includes the chair body, the chair body is provided with cushion (1), with cushion (1) articulated back (2) and with assembly pulley (3) that cushion (1) bottom is connected, characterized by, cushion (1) lateral wall is connected with installation fixture block (4), installation fixture block (4) can be dismantled and be connected with mounting box (5), mounting box (5) top is connected with slidable arm and props (6), mounting box (5) bottom is connected with telescopic stabilizer bar (7), mounting box (5) outer wall is provided with stabilizing handle (8).

2. The crash-proof learning chair for the disabled according to claim 1, wherein the mounting fixture block (4) is a U-shaped block, a mounting hole (40) is formed in the inner wall of the mounting fixture block (4), a limiting block (41) is arranged in the mounting hole (40), one end of the limiting block (41) is connected with a spring (42), the other end of the limiting block (41) is hemispherical, the spring (42) is connected with the bottom surface of the mounting hole (40), a plurality of limiting holes (50) are uniformly arranged in the side wall of the mounting box (5), and a slidable top block (51) is arranged in each limiting hole (50).

3. The crash-proof learning chair for the disabled according to claim 2, wherein the mounting box (5) is provided with a mounting groove (52) on the end surface, a sliding plate (53) is provided in the mounting groove (52), the sliding plate (53) is connected with the top block (51), a yielding groove (80) is provided in the supporting block of the stabilizing handle (8), a connecting piece (81) is provided in the yielding groove (80), a button (82) is provided at the end of the stabilizing handle (8), one end of the connecting piece (81) is connected with the sliding plate (53), and the other end of the connecting piece (81) is connected with the button (82).

4. The crash-proof learning chair for the disabled according to claim 1, wherein a sliding hole (54) is formed in the top of the mounting box (5), a sliding rod (60) is arranged below the arm support (6), the sliding rod (60) is sleeved with the sliding hole (54), a first electric lifting rod (55) is arranged in the mounting box (5), the first electric lifting rod (55) is connected with the sliding rod (60), a first control button (56) is arranged on the outer wall of the mounting box (5), the first control button (56) is arranged above the stabilizing handle (8), and the first control button (56) is electrically connected with the first electric lifting rod (55).

5. The crash-proof learning chair for the disabled according to claim 1, wherein a guide hole (57) is formed in the bottom of the mounting box (5), the guide hole (57) is sleeved with the stabilizer bar (7), a second electric lifting rod (58) is arranged inside the mounting box (5), the second electric lifting rod (58) is connected with the stabilizer bar (7), a second control button (59) is arranged on the outer wall of the mounting box (5), the second control button (59) is arranged below the stabilizing handle (8), and the second control button (59) is electrically connected with the second electric lifting rod (58).

6. The crash-proof learning chair for the disabled according to claim 5, wherein the end of the stabilizer bar (7) is provided with a buffer rubber block (70), the bottom of the buffer rubber block (70) is provided with a stabilizing hole (71), and the stabilizing hole (71) is conical in shape.