CN218391484U - Wheelchair convenient to adjust head and back - Google Patents

Abstract

The utility model discloses a wheelchair convenient for adjusting the head and the backrest, which comprises a wheelchair, wherein a fixed backrest is fixedly arranged on one side of the wheelchair, an extension backrest movably penetrates through the top of the fixed backrest, a fixed bolster is slidably arranged on one side of the top end of the fixed backrest, and a movable bolster is movably arranged on one side of the top end of the extension backrest; fixed mounting has the control cabinet on the handrail of wheelchair, flexible groove has been seted up to fixed back's inside, and the top in flexible groove is for opening the setting, the inside bottom fixed mounting in flexible groove has electric putter, and electric wire connection between electric putter and the control cabinet, the adjustment groove has been seted up to the position that fixed back corresponds fixed bolster, one side intercommunication in adjustment groove is equipped with the adjustment mouth, the utility model relates to a wheelchair back technical field. The wheelchair with the conveniently-adjusted head and backrest can flexibly adjust the height of the backrest, has a wide application range for the height of a user, and is good in practicability.

Description

Wheelchair convenient to adjust head and back

Technical Field

The utility model relates to the technical field of wheelchair backrests, in particular to a wheelchair convenient for adjusting a head and a backrest.

Background

The wheel chairs in the market are various, and can be divided into aluminum alloy, light materials and steel materials according to the materials, for example, the wheel chairs can be divided into common wheel chairs and special wheel chairs according to the types, and the common wheel chairs generally comprise foldable frames, front and rear wheels, left and right knee pads and foot pedals, left and right detachable armrests, a handle brake device, a seat, a backrest, a medical image data bag, a bedpan, a urine receiving bag hook, an electric standing part and the like.

The existing wheelchair is inconvenient for a user to flexibly adjust the height of the backrest by a single person, limits the application range of the height of the user, and needs to select and purchase a wheelchair with a backrest with a proper height according to the height.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wheelchair convenient to adjust head and back to the not enough of prior art, the utility model provides a current wheelchair is inconvenient nimble adjusts the back height, to the limited problem of user's height application scope.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a wheelchair convenient for adjusting a head and a backrest comprises a wheelchair, wherein a fixed backrest is fixedly arranged on one side of the wheelchair, an extension backrest movably penetrates through the top of the fixed backrest, a fixed pillow is slidably arranged on one side of the top end of the fixed backrest, and a movable pillow is movably arranged on one side of the top end of the extension backrest;

a control console is fixedly mounted on a handrail of the wheelchair, a telescopic groove is formed in the fixed backrest, the top of the telescopic groove is open, an electric push rod is fixedly mounted at the bottom end of the inner part of the telescopic groove, the electric push rod is connected with the control console through an electric wire, an adjusting groove is formed in the position, corresponding to the fixed pillow, of the fixed backrest, an adjusting opening is formed in one side of the adjusting groove in a communicating mode, a sliding groove and a limiting groove are formed in the bottom of the adjusting groove in a communicating mode, and the limiting groove is formed in the bottom of the sliding groove in a communicating mode;

the folding backrest comprises an extension backrest, a movable bolster, positioning grooves, a plurality of groups of reset grooves, iron plates and handle rods, wherein one side of the extension backrest, which is close to the movable bolster, is provided with the positioning grooves, the positioning grooves are vertically arranged along the extension backrest, the positions of the extension backrest, which correspond to the movable bolster, are provided with the reset grooves, the positioning grooves and the reset grooves are fixedly connected with the inner parts of the iron plates, and the two ends of the top of the extension backrest are fixedly connected with the handle rods;

the bottom fixedly connected with slider of fixed bolster, the bottom fixedly connected with stopper of slider, the equal fixed mounting in inside of fixed bolster and activity bolster has the reinforcing plate, one side fixedly connected with locating plate of reinforcing plate, the one end fixedly connected with magnet board of reinforcing plate is kept away from to the locating plate.

Preferably, the extension backrest is slidably arranged inside the telescopic groove, and the movable pillow is movably arranged above the fixed backrest.

Preferably, the fixed bolster is slidably disposed inside the adjusting groove, and the positioning plate on one side of the fixed bolster slidably penetrates through the adjusting opening.

Preferably, the slider slides and locates the inside of spout, the stopper slides and locates the inside of spacing groove.

Preferably, the length of the sliding block is smaller than that of the limiting block, and the length of the sliding groove is smaller than that of the limiting groove.

Preferably, the locating plate is movably penetrated in the locating groove, and the magnet plate and the corresponding iron plate are fixed in an adsorption manner.

Advantageous effects

The utility model provides a wheelchair with a head and a backrest convenient to adjust. Compared with the prior art, the method has the following beneficial effects:

1. this wheelchair convenient to adjust head and back, through taking out fixed bolster from fixed back, the slider slides along spout inside, can play the effect of direction, the stopper slides along the inside of spacing groove, can play spacing effect, avoid fixed bolster to break away from fixed back completely, user's accessible control electric putter upwards lifts up and extends the back this moment, adjust to suitable high gear with extending the back, with fixed bolster manual push back to the adjustment inslot, the inside of one set of constant head tank wherein is inserted to the locating plate, the locating plate plays the effect of support in the inside that corresponds the constant head tank, the magnet board adsorbs fixedly with the iron plate that corresponds, the single adjustment back height of convenient to use person, large to user's height application scope, the practicality is good.

2. This wheelchair convenient to adjust head and back through the position of adjustment activity bolster, but the back after the adaptation height-adjusting places the activity bolster in the outside constant head tank department of flexible groove, and the locating plate of activity bolster inserts corresponding constant head tank, and the magnet board adsorbs fixedly with the iron plate that corresponds, can normally use activity bolster.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the backrest of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention;

FIG. 4 is a schematic view of the fixing pillow of the present invention;

fig. 5 is a schematic cross-sectional view of the extended backrest of the present invention;

fig. 6 is a schematic view of the use of the extension backrest of the present invention.

In the figure: 1. a wheelchair; 11. a console; 2. fixing the backrest; 20. a telescopic groove; 21. an electric push rod; 22. an adjustment groove; 23. an adjusting port; 24. a chute; 25. a limiting groove; 3. an extension backrest; 31. positioning a groove; 32. a reset groove; 33. an iron plate; 34. a handle bar; 4. fixing the pillow; 41. a slider; 42. a limiting block; 5. a movable pillow pad; 6. a reinforcing plate; 7. positioning a plate; 8. a magnet plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a wheelchair convenient for adjusting a head and a backrest comprises a wheelchair 1, wherein a fixed backrest 2 is fixedly arranged on one side of the wheelchair 1, an extension backrest 3 movably penetrates through the top of the fixed backrest 2, a fixed pillow 4 is slidably arranged on one side of the top end of the fixed backrest 2, and a movable pillow 5 is movably arranged on one side of the top end of the extension backrest 3; a control table 11 is fixedly mounted on the armrest of the wheelchair 1, a telescopic groove 20 is formed in the fixed backrest 2, the top of the telescopic groove 20 is open, an electric push rod 21 is fixedly mounted at the bottom end of the inside of the telescopic groove 20, the electric push rod 21 is connected with the control table 11 through an electric wire, an adjusting groove 22 is formed in the position, corresponding to the fixed pillow 4, of the fixed backrest 2, an adjusting opening 23 is formed in one side of the adjusting groove 22 in a communicating manner, a sliding groove 24 and a limiting groove 25 are formed in the bottom of the adjusting groove 22 in a communicating manner, and the limiting groove 25 is formed in the bottom of the sliding groove 24 in a communicating manner; positioning grooves 31 are formed in one side, close to the movable pillow 5, of the extension backrest 3, a plurality of groups of positioning grooves 31 are vertically arranged along the extension backrest 3, a reset groove 32 is formed in the position, corresponding to the movable pillow 5, of the extension backrest 3, iron plates 33 are fixedly connected inside the positioning grooves 31 and the reset groove 32, and handle rods 34 are fixedly connected to two ends of the top of the extension backrest 3; the bottom fixedly connected with slider 41 of fixed bolster 4, the bottom fixedly connected with stopper 42 of slider 41, the equal fixed mounting in inside of fixed bolster 4 and activity bolster 5 has reinforcing plate 6, one side fixedly connected with locating plate 7 of reinforcing plate 6, and the one end fixedly connected with magnet board 8 of reinforcing plate 6 is kept away from to locating plate 7.

Extend the inside that telescopic slot 20 was located in back 3 slip, the top of fixed back 2 is located in the activity of activity bolster 5, fixed bolster 4 slides and locates the inside of adjustment tank 22, locating plate 7 of fixed bolster 4 one side slides and runs through in the inside of adjustment mouth 23, slider 41 slides and locates the inside of spout 24, stopper 42 slides and locates the inside of spacing groove 25, slider 41's length is less than stopper 42's length, spout 24's length is less than the length of spacing groove 25, locating plate 7 activity runs through in the inside of constant head tank 31, adsorb fixedly between magnet plate 8 and the iron plate 33 that corresponds.

When the height of the user is short, most of the extended backrest 3 is accommodated in the telescopic groove 20, the movable pillow 5 and the corresponding portion thereof are located outside the telescopic groove 20, at this time, the fixed pillow 4 and the movable pillow 5 can be used as pillows, when the height of the user is high and needs to be adjusted, wherein the control board 11 is provided with a control switch of the electric push rod 21, the connecting wire passes through the inside of the armrest, the power supply of the electric push rod 21 is installed on one side of the electric push rod 21 and is a rechargeable battery, the user pulls the fixed pillow 4 away from the fixed backrest 2, the slider 41 slides along the inside of the sliding groove 24 to play a role of guiding, the stopper 42 slides along the inside of the limiting groove 25 to play a role of limiting, the fixed pillow 4 is prevented from completely separating from the fixed backrest 2, at this time, the user can control the electric push rod 21 to upwards play a role of extending the extended pillow 3, adjust the extended pillow 3 to a proper height position, manually push the fixed pillow 4 back into the adjusting groove 22, the positioning plate 7 is inserted into the inside of one of the positioning groove 31, the positioning plate 7 plays a role of supporting the movable pillow 3, the movable pillow 5 and the positioning plate 5 is convenient for absorbing the positioning groove 5, the positioning groove 31 corresponding to absorb the magnet plate 5, and the positioning groove 31, the positioning plate 5, the positioning groove 31, the positioning plate 5 is suitable range of the positioning groove for the movable pillow 5.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A wheelchair facilitating adjustment of the head and back, comprising a wheelchair (1), characterized in that: a fixed backrest (2) is fixedly arranged on one side of the wheelchair (1), an extension backrest (3) movably penetrates through the top of the fixed backrest (2), a fixed pillow (4) is slidably arranged on one side of the top end of the fixed backrest (2), and a movable pillow (5) is movably arranged on one side of the top end of the extension backrest (3);

the wheelchair comprises a wheelchair body and is characterized in that a control console (11) is fixedly mounted on a handrail of the wheelchair (1), a telescopic groove (20) is formed in a fixed backrest (2), the top of the telescopic groove (20) is arranged in an open mode, an electric push rod (21) is fixedly mounted at the bottom end of the inner part of the telescopic groove (20), the electric push rod (21) is connected with the control console (11) through an electric wire, an adjusting groove (22) is formed in the position, corresponding to a fixed pillow pad (4), of the fixed backrest (2), an adjusting opening (23) is formed in one side of the adjusting groove (22) in a communicating mode, a sliding groove (24) and a limiting groove (25) are formed in the bottom of the adjusting groove (22) in a communicating mode, and the limiting groove (25) is formed in the bottom of the sliding groove (24) in a communicating mode;

one side, close to the movable pillow (5), of the extension backrest (3) is provided with a positioning groove (31), a plurality of groups of positioning grooves (31) are vertically arranged along the extension backrest (3), a reset groove (32) is formed in the position, corresponding to the movable pillow (5), of the extension backrest (3), iron plates (33) are fixedly connected inside the positioning groove (31) and the reset groove (32), and two ends of the top of the extension backrest (3) are fixedly connected with handle rods (34);

the utility model discloses a pillow, including fixed bolster (4), fixed bolster (5), the bottom fixedly connected with slider (41) of fixed bolster (4), the bottom fixedly connected with stopper (42) of slider (41), the equal fixed mounting in inside of fixed bolster (4) and activity bolster (5) has reinforcing plate (6), one side fixedly connected with locating plate (7) of reinforcing plate (6), the one end fixedly connected with magnet board (8) of reinforcing plate (6) are kept away from in locating plate (7).

2. A wheelchair in accordance with claim 1, wherein the wheelchair further comprises: the extension backrest (3) is arranged in the telescopic groove (20) in a sliding mode, and the movable pillow (5) is movably arranged above the fixed backrest (2).

3. A wheelchair in accordance with claim 1, wherein the wheelchair further comprises: the fixed pillow (4) is arranged inside the adjusting groove (22) in a sliding mode, and the positioning plate (7) on one side of the fixed pillow (4) penetrates through the adjusting opening (23) in a sliding mode.

4. A wheelchair in accordance with claim 1, wherein the wheelchair further comprises: the slider (41) slides and is arranged in the sliding groove (24), and the limiting block (42) slides and is arranged in the limiting groove (25).

5. A wheelchair in accordance with claim 1, wherein the wheelchair further comprises: the length of the sliding block (41) is smaller than that of the limiting block (42), and the length of the sliding groove (24) is smaller than that of the limiting groove (25).

6. A wheelchair in accordance with claim 1, wherein the wheelchair further comprises: the positioning plate (7) movably penetrates through the positioning groove (31), and the magnet plate (8) and the corresponding iron plate (33) are fixedly adsorbed.

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