CN211244145U

CN211244145U - Anti-falling and anti-scratching wheelchair

Info

Publication number: CN211244145U
Application number: CN201921897770.5U
Authority: CN
Inventors: 蒋玲芝; 王玉龙; 周宜霞; 曾颖平; 郑耀
Original assignee: Shenzhen Dapeng New District Nan'ao People's Hospital
Current assignee: Shenzhen Dapeng New District Nan'ao People's Hospital
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-14
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an anti-falling and anti-scratching wheelchair, which comprises a wheelchair frame, wherein an outer sleeve is arranged at the rear side of the wheelchair frame, a cart handle is arranged at the upper end of the outer sleeve, an inner screw rod is screwed in the cart handle, the top end of the inner screw rod is connected with a rotating wheel, a movable groove is formed in the outer sleeve, an inverted T-shaped rod is fixedly connected to the bottom end of the inner screw rod, the bottom end of the inverted T-shaped rod is positioned in the movable groove, rolling grooves are formed in the outer sleeve at equal intervals along the circumferential direction outside the movable groove, and balls are arranged in the rolling grooves at random; adjustment mechanism during runner through setting up can conveniently adjust the height of shallow handle to reach the purpose that adapts to the nursing staff height, more comfortable when making the nursing staff shallow, rotate moreover when rotating, rotate piece and ball contact, the roll-over rotates, changes sliding friction and is rolling friction, makes the runner rotate more smoothly.

Description

Anti-falling and anti-scratching wheelchair

Technical Field

The utility model belongs to the technical field of the wheelchair, concretely relates to prevent falling scotch wheelchair.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can carry out physical exercise and participate in social activities by virtue of the wheelchair, and the safety belt protection can be carried out on legs and waists in order to prevent falling and scratching;

however, when the existing wheelchair is used, the height of a handle of a rear cart cannot be adjusted, the height of a nursing staff is variable, and if the height is too high, the cart needs to be stood down, so that the wheelchair is very inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-falling scotch wheelchair to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-falling scotch wheelchair, includes the wheelchair frame, the outer sleeve is installed to the rear side of wheelchair frame, the shallow handle is installed to the upper end of outer sleeve, the inside spiro union of shallow handle has interior screw rod, the top of interior screw rod is connected with the runner, the activity groove has been seted up to the inside of outer sleeve, the bottom fixedly connected with type of falling T pole of interior screw rod, just the bottom of type of falling T pole is in the activity inslot portion, the rolling groove has been seted up along activity inslot outside circumferencial direction equidistance in the inside of outer sleeve, arbitrary the ball is all installed to the inside in rolling groove, the bottom side surface symmetry of shallow handle is fixed with two limit slide, the inboard position department that corresponds limit slide of outer sleeve has seted up limit slide.

Preferably, the rear lower part of the wheelchair frame is provided with a rear wheel, the front lower part of the wheelchair frame is provided with a front wheel, the front side of the wheelchair frame is provided with a pedal, the front side of the pedal is provided with a leg protection belt, and the front side of the outer sleeve is provided with a safety belt.

Preferably, the inner screw rod and the inverted T-shaped rod are welded and fixed, and the limiting sliding block is located inside the limiting sliding groove.

Preferably, the bottom end of the cart handle is located on the inner side of the outer sleeve, and the cart handle and the outer sleeve are limited through the limiting sliding block and the limiting sliding groove.

Preferably, one side of the rolling groove close to the movable groove is communicated with the movable groove, and the ball is in contact with the side wall of the bottom end of the inverted T-shaped rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, adjustment mechanism during runner through setting up can conveniently adjust the height of shallow handle to reach the purpose that adapts to the nursing staff height, make more comfortable during the nursing staff shallow, when rotating moreover, rotate a piece and ball contact, the rotation of rolling over, the sliding friction that becomes is rolling friction, makes the runner rotate more smoothly.

Drawings

Fig. 1 is a schematic side view of the present invention;

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

fig. 3 is an enlarged schematic view of the area a of the present invention.

In the figure: 1. a rotating wheel; 2. an inner screw rod; 3. a cart handle; 4. an outer sleeve; 5. a rear wheel; 6. a front wheel; 7. pedaling; 8. a leg guard; 9. a wheelchair frame; 10. a seat belt; 11. a movable groove; 12. an inverted T-bar; 13. a limiting slide block; 14. a limiting chute; 15. rolling a groove; 16. and a ball.

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. 1-3, the present invention provides a technical solution: an anti-falling and anti-scratching wheelchair comprises a wheelchair frame 9, an outer sleeve 4 is installed at the rear side of the wheelchair frame 9, a cart handle 3 is installed at the upper end of the outer sleeve 4, an inner screw rod 2 is screwed in the cart handle 3, a rotating wheel 1 is connected to the top end of the inner screw rod 2, a movable groove 11 is formed in the outer sleeve 4, an inverted T-shaped rod 12 is fixedly connected to the bottom end of the inner screw rod 2, the bottom end of the inverted T-shaped rod 12 is located in the movable groove 11, rolling grooves 15 are formed in the outer portion of the outer sleeve 4 at equal intervals along the circumferential direction of the outer side of the movable groove 11, rolling balls 16 are installed in any rolling groove 15, when the inverted T-shaped rod 12 rotates, the rolling balls 16 contact with the bottom end of the inverted T-shaped rod 12 to roll and become rolling friction through sliding friction, the rolling friction is smoother, two limiting sliders 13 are symmetrically fixed on the surface of the bottom end side of the cart handle 3, a limiting sliding groove, at this moment, the inner screw rod 2 and the inverted T-shaped rod 12 can rotate together, the bottom end of the inverted T-shaped rod 12 is located in the movable groove 11 and is limited, the inner screw rod 2 can only rotate horizontally and cannot move up and down, at this moment, the inner screw rod 2 is in threaded connection with the trolley handle 3, the limiting slide block 13 on the side surface of the bottom end of the trolley handle 3 is located in the limiting slide groove 14 on the inner side of the outer sleeve 4, the trolley handle 3 cannot rotate together with the inner screw rod 2, the trolley handle 3 can only ascend under the action of vertical direction component force, the height of nursing staff is matched, the trolley handle 3 can descend due to the reverse rotation of the rotating wheel 1, and therefore the nursing staff adapting to different heights can be.

Wherein, the rear lower part of the wheelchair frame 9 is provided with a rear wheel 5, the front lower part of the wheelchair frame 9 is provided with a front wheel 6, the front side of the wheelchair frame 9 is provided with a pedal 7, the front side of the pedal 7 is provided with a leg protecting belt 8, and the front side of the outer sleeve 4 is provided with a safety belt 10.

Wherein, the internal screw rod 2 and the inverted T-shaped rod 12 are welded and fixed, and the limiting slide block 13 is positioned inside the limiting slide groove 14.

The bottom end of the cart handle 3 is located at the inner side of the outer sleeve 4, and the cart handle 3 and the outer sleeve 4 are limited through the limiting slide block 13 and the limiting slide groove 14.

Wherein, one side of the rolling groove 15 close to the movable groove 11 is communicated with the movable groove 11, and the ball 16 is contacted with the side wall of the bottom end of the inverted T-shaped rod 12.

The utility model discloses a theory of operation and use flow: the patient sits on the upper surface of the wheelchair frame 9, feet are placed on the upper surface of the pedals 7, the upper body of the patient is fixed through the safety belt 10, the leg bend is fixed through the leg protecting belts 8, the falling bruise is placed, then the nursing staff rotates the rotating wheel 1, at the moment, the inner screw rod 2 and the inverted T-shaped rod 12 can rotate together, the bottom end of the inverted T-shaped rod 12 is positioned in the movable groove 11 and limited, the inner screw rod 2 can only rotate horizontally and cannot move up and down, at the moment, the inner screw rod 2 is in threaded connection with the trolley handle 3, the limiting slide block 13 on the side surface of the bottom end of the trolley handle 3 is positioned in the limiting slide groove 14 on the inner side of the outer sleeve 4, the trolley handle 3 cannot rotate together with the inner screw rod 2, the trolley handle 3 can only ascend under the action of the force divided in the vertical direction, so as to be matched with the height of the nursing staff, the trolley 1, when the inverted T-shaped rod 12 rotates, the balls 16 contact the bottom end of the inverted T-shaped rod 12 and roll, and sliding friction is changed into rolling friction, so that the operation is smoother.

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

1. An anti-fall and bruise wheelchair, comprising a wheelchair frame (9), characterized in that: an outer sleeve (4) is arranged at the rear side of the wheelchair frame (9), a cart handle (3) is arranged at the upper end of the outer sleeve (4), an inner screw rod (2) is screwed in the cart handle (3), the top end of the inner screw rod (2) is connected with a rotating wheel (1), a movable groove (11) is arranged in the outer sleeve (4), the bottom end of the inner screw (2) is fixedly connected with an inverted T-shaped rod (12), the bottom end of the inverted T-shaped rod (12) is positioned in the movable groove (11), rolling grooves (15) are formed in the outer sleeve (4) at equal intervals along the circumferential direction of the outer side of the movable groove (11), balls (16) are arranged in any rolling groove (15), two limiting slide blocks (13) are symmetrically fixed on the surface of the bottom end side of the cart handle (3), and a limiting sliding groove (14) is formed in the position, corresponding to the limiting sliding block (13), of the inner side of the outer sleeve (4).

2. The fall arrest bruise prevention wheelchair as claimed in claim 1, wherein: rear wheel (5) are installed to the rear below of wheelchair frame (9), front wheel (6) are installed to the front below of wheelchair frame (9), pedal (7) are installed to the front side of wheelchair frame (9), leg protecting band (8) are installed to the front side of pedal (7), safety belt (10) are installed to the front side of outer sleeve (4).

3. The fall arrest bruise prevention wheelchair as claimed in claim 1, wherein: the inner screw rod (2) and the inverted T-shaped rod (12) are fixed in a welding mode, and the limiting sliding block (13) is located inside the limiting sliding groove (14).

4. The fall arrest bruise prevention wheelchair as claimed in claim 1, wherein: the bottom end of the cart handle (3) is positioned at the inner side of the outer sleeve (4), and the cart handle (3) and the outer sleeve (4) are limited through the limiting slide block (13) and the limiting slide groove (14).

5. The fall arrest bruise prevention wheelchair as claimed in claim 1, wherein: one side of the rolling groove (15) close to the movable groove (11) is communicated with the movable groove (11), and the ball (16) is contacted with the side wall of the bottom end of the inverted T-shaped rod (12).