CN219071014U

CN219071014U - Folding wheelchair bed

Info

Publication number: CN219071014U
Application number: CN202223122126.5U
Authority: CN
Inventors: 卢静; 刘晓红
Original assignee: Beijing Cancer Hospital
Current assignee: Beijing Cancer Hospital
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-05-26
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to a folding wheelchair bed, including the folding body frame of wheelchair, rotate on the side of the folding body frame of wheelchair and install the foot rest, the outside of foot rest is provided with first supporting component, supporting component is including the welding the fixation clamp on the foot rest outside edge, the fixation clamp keep away from in it has first expansion wheel to articulate through the articulated shaft on the one end of foot rest. This foldable wheelchair bed is through setting up first flexible wheel of connection and second flexible wheel on the original wheelchair bed for the back and the foot rest part of wheelchair bed can obtain extra support, make the first time of rescuing the patient can be quick become bed formula structure with the wheelchair, directly let medical personnel carry out heart recovery to the patient in golden time, under the circumstances that the wheelchair bed stably supported simultaneously, set up handrail frame, link and supporting seat and expand, make the handrail of flank can keep flat, provide medical personnel treatment space, the practicality of device has been improved.

Description

Folding wheelchair bed

Technical Field

The application relates to the technical field of wheelchair beds, in particular to a folding wheelchair bed.

Background

The wheelchair is a chair with wheels, can help to replace walking, and is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons.

The Chinese patent with bulletin number of CN215739970U uses the novel wheelchair bed, including: a support frame; the seat plate is connected to the support frame; leg plates rotatably connected to one side of the seat plate; a foot plate which is rotatably connected to one side of the leg plate far away from the seat plate; the backboard is rotationally connected to one side, far away from the leg plate, of the seat plate, and the backboard is simple and convenient to operate, simple in overall structure, stable to use and low in noise in the state adjustment process.

In the prior art, a lot of patients sit on a wheelchair to be transported to an emergency treatment in the emergency treatment process, but in the transportation process, cardiac arrest is very likely to occur, other people need to help contact the flat car to transport, or the patients are placed on the ground to resuscitate in advance of heart and lung, after the flat car is transported to the back, the patients are moved to the flat car to resuscitate the heart and lung on the flat car, and finally the patients are turned to an emergency room.

Disclosure of Invention

To the not enough of prior art, this application provides folding wheelchair bed, possesses can adjust the wheelchair and become bed formula structure and support, provides advantages such as convenient condition for medical personnel in time carry out cardiopulmonary resuscitation.

In order to achieve the above purpose, the present application provides the following technical solutions: the folding wheelchair bed comprises a wheelchair folding main frame, wherein a foot support is rotatably arranged on one side surface of the wheelchair folding main frame, and a first supporting component is arranged outside the foot support;

the support assembly comprises a fixing clamp welded on the outer side edge of the foot support, a first telescopic wheel is hinged to one end, far away from the foot support, of the fixing clamp through a hinge shaft, a grab bar is fixedly installed on the backrest part of the wheelchair folding main frame, a rotating sleeve is installed on the outer portion of the grab bar in a rotating mode, a second telescopic wheel is fixedly installed on the outer portion of the rotating sleeve, and the second telescopic wheel and the first telescopic wheel are identical in structure.

Further, the outer portion of the first telescopic wheel is fixedly provided with a clamping device.

Further, the outside slidable mounting of first flexible wheel has the adapter sleeve, the outside fixed mounting of fixation clamp has the baffle, fixed mounting has hollow screw thread axle on the baffle, adapter sleeve threaded connection in hollow screw thread axle.

Further, a sliding hole is formed in one end, facing the first telescopic wheel, of the connecting sleeve, a thread groove is formed in one end, facing the fixing clamp, of the connecting sleeve, and the thread groove is in threaded connection with the hollow thread shaft correspondingly.

Further, the outside welding of rotating the cover has the connecting seat, the connecting seat with the second expansion wheel with rotate the cover and arrange as central symmetry, rotate on the inside wall of grab rail and install the adjustment cover, the dead lever is installed to the internal screw thread of adjustment cover, the dead lever peg graft in the connecting seat.

Further, the outside fixed mounting of grab rail have sliding connection in the stop collar of dead lever, fixed mounting has the slider on the inside wall of stop collar, the spout has been seted up on the outer wall of dead lever, slider sliding connection in the spout.

Further, a hand wheel is further rotatably arranged outside the grab rail, and the hand wheel is fixedly connected with the adjusting sleeve.

Further, the connecting frame is rotatably arranged on the outer side of the wheelchair folding main frame, the handrail frame is fixedly arranged on the connecting frame, and arc-shaped grooves are formed in the handrail frame towards the roller wheel parts of the wheelchair folding main frame.

Further, the top of the wheelchair folding main frame is rotatably provided with a round table, the top of the round table is fixedly provided with a limiting seat, the bottom of the armrest frame is rotatably provided with a connecting shaft corresponding to the limiting seat, and the inner side of the wheelchair folding main frame is rotatably provided with a supporting seat.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this foldable wheelchair bed is through setting up first flexible wheel of connection and second flexible wheel on the original wheelchair bed for the back and the foot rest part of wheelchair bed can obtain extra support, make the first time of rescuing the patient can be quick become bed formula structure with the wheelchair, directly let medical personnel carry out heart recovery to the patient in golden time, under the circumstances that the wheelchair bed stably supported simultaneously, set up handrail frame, link and supporting seat and expand, make the handrail of flank can keep flat, provide medical personnel treatment space, the practicality of device has been improved.

Drawings

FIG. 1 is a front view of the present application;

FIG. 2 is a cross-sectional view of the connection sleeve of the present application;

FIG. 3 is a side view of the grab bar of the present application;

FIG. 4 is a side view of the stop collar of the present application;

FIG. 5 is an enlarged view of FIG. 1A of the present application;

FIG. 6 is a top view of the circular table of the present application;

fig. 7 is a top view of the support base of the present application.

In the figure: 1. a wheelchair folding main frame; 2. a connecting frame; 3. a handrail frame; 4. a connecting rod; 5. a foot rest; 6. a fixing clamp; 7. a first retractable wheel; 8. a clip; 9. a baffle; 10. a hollow threaded shaft; 11. connecting sleeves; 12. a grab rail; 13. a rotating sleeve; 14. the second telescopic wheel; 15. a connecting seat; 16. adjusting the sleeve; 17. a fixed rod; 18. a limit sleeve; 19. a slide block; 20. a chute; 21. a hand wheel; 22. a support base; 23. round bench; 24. a limit seat; 25. and a connecting shaft.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Referring to fig. 1-2, the foldable wheelchair bed in this embodiment includes a wheelchair foldable main frame 1, a foot rest 5 is rotatably mounted on a side surface of the wheelchair foldable main frame 1, wherein a backrest portion of the wheelchair foldable main frame 1 can be folded and lowered to a horizontal position relative to a cushion portion, so that the wheelchair can be unfolded to be in a bed-type structure, the wheelchair foldable main frame 1 belongs to an existing wheelchair bed, and the folding connection and principle of the wheelchair bed are not repeated below.

Embodiment one: in this embodiment, the outside of foot rest 5 is provided with supporting component for accomplish the steady support after the horizontal expansion of foot rest 5 part, supporting component is including welding at the fixation clamp 6 of foot rest 5 outside edge, and fixation clamp 6 is kept away from and is articulated through the articulated shaft to have first expansion pulley 7 in the one end of foot rest 5 for the foot rest 5 is after horizontal expansion, can overturn first expansion pulley 7 and carry out supporting legs rest 5, can be convenient for promote the wheelchair bed simultaneously, and the outside fixed mounting of first expansion pulley 7 has clamping 8, can accomodate through the outside of clamping 8 fixed first expansion pulley 7 to foot rest 5.

It should be noted that, the first telescopic wheel 7 is a 3EGT castor spring telescopic wheel in the prior art, and the extending length of the first telescopic wheel 7 can be adjusted by adjusting the limiting piece on the first telescopic wheel 7, and the roller part of the first telescopic wheel 7 contacts the ground, so that the effects of supporting and rolling connection are achieved, and the stability of the foot rest 5 part of the wheelchair bed is ensured.

In order to stably adjust the first telescopic wheel 7 under overturning, a connecting sleeve 11 is slidably mounted outside the first telescopic wheel 7 in the embodiment, a baffle 9 is fixedly mounted outside the fixing clamp 6, a hollow threaded shaft 10 is fixedly mounted on the baffle 9, the connecting sleeve 11 is in threaded connection with the hollow threaded shaft 10, the connecting sleeve 11 can be slid to the hinge positions of the first telescopic wheel 7 and the fixing clamp 6, and the connecting sleeve 11 is in threaded connection with the outside of the hollow threaded shaft 10, so that the fixing clamp 6 and the first telescopic wheel 7 are wrapped by the connecting sleeve 11 outside, and therefore abutting rotation limitation is achieved.

In this embodiment, a sliding hole is formed at one end of the connecting sleeve 11 facing the first telescopic wheel 7, a thread groove is formed at one end of the connecting sleeve 11 facing the fixing clamp 6, and the thread groove is in corresponding threaded connection with the hollow thread shaft 10, so that the connecting sleeve 11 can slide along the outer part of the first telescopic wheel 7 and is rotationally connected to the fixing clamp 6 relative to the first telescopic wheel 7.

The hollow threaded shaft 10 is hollow in the middle, so that the hollow threaded shaft 10 can be positioned at the outer side of the fixed clamp 6, the diameter of a threaded groove on the connecting sleeve 11 is ensured to be larger than the diameters of the fixed clamp 6 and the hinge shaft of the first telescopic wheel 7, and therefore movement interference of the movement of the connecting sleeve 11 is reduced.

Referring to fig. 3-4, in the second embodiment, a grab rail 12 is fixedly installed on a backrest portion of the wheelchair folding main frame 1, the grab rail 12 is U-shaped, a rotating sleeve 13 is rotatably installed on an outer portion of the grab rail 12, and a second telescopic wheel 14 is fixedly installed on an outer portion of the rotating sleeve 13, wherein the second telescopic wheel 14 and the first telescopic wheel 7 have the same structure, and the second telescopic wheel 14 located on the grab rail 12 can rotatably support the backrest portion of the wheelchair folding main frame 1 relative to the grab rail 12 when the grab rail 12 is perpendicular to the ground, so as to further enhance a supporting effect of the wheelchair bed.

In order to fix the second telescopic wheel 14, a connecting seat 15 is welded on the outer part of the rotating sleeve 13 in the embodiment, the connecting seat 15 and the second telescopic wheel 14 are symmetrically distributed by taking the rotating sleeve 13 as a center, an adjusting sleeve 16 is rotatably arranged on the inner side wall of the grab rail 12, a fixing rod 17 is arranged on the inner thread of the adjusting sleeve 16, the fixing rod 17 is inserted into the connecting seat 15, and the fixing rod 17 can be inserted into the connecting seat 15 to limit the rotation of the second telescopic wheel 14.

In this embodiment, the outside of the grab rail 12 is fixedly provided with a stop collar 18 slidably connected to the fixed rod 17, the inner side wall of the stop collar 18 is fixedly provided with a slide block 19, the outer wall of the fixed rod 17 is provided with a slide groove 20, the slide block 19 is slidably connected to the slide groove 20, and the slide block 19 can abut against the inner wall of the slide groove 20 to complete the rotation limitation of the fixed rod 17 relative to the adjustment sleeve 16.

It should be noted that, the hand wheel 21 is further rotatably mounted on the outside of the grab rail 12, the hand wheel 21 is fixedly connected to the adjustment sleeve 16, and the position of the fixing rod 17 can be adjusted by a user by rotating the hand wheel 21.

Embodiment III: referring to fig. 6-7, in order to further expand the armrests of the wheelchair bed to provide rescue space for medical staff, the connecting frame 2 is rotatably installed on the outer side of the wheelchair folding main frame 1 in the embodiment, the armrests 3 are fixedly installed on the connecting frame 2, and can be connected through rotation of the connecting frame 2, so that the armrests 3 can be conveniently rotated and laid flat, meanwhile, the connecting rod 4 is fixedly installed on the outer portion of the armrests 3, and the armrests 3 can be conveniently pulled and lowered through the connecting rod 4.

In this embodiment, the roller portion of the armrest frame 3 facing the wheelchair folding main frame 1 is provided with an arc-shaped groove, so that the armrest frame 3 can avoid contact interference with the roller of the wheelchair folding main frame 1 when being lowered.

It should be noted that, the top of the wheelchair folding main frame 1 is rotatably provided with a round table 23, the top of the round table 23 is fixedly provided with a limit seat 24, the bottom of the armrest frame 3 is rotatably provided with a connecting shaft 25 corresponding to the limit seat 24, and the limit of the connecting shaft 25 can be completed through the limit seat 24, so that the armrest frame 3 can realize rotation limitation.

It can be understood that the connecting shaft 25 is a square rod, and the limiting seat 24 is two corresponding limiting blocks, so that the limiting seat 24 can be rotated to the front-rear direction after the connecting shaft 25 is turned over and moved to the inside of the limiting seat 24, and the handrail frame 3 can be completely limited in rotation by the abutting connection of the connecting shaft 25 and the limiting seat 24.

In order to support the unfolded armrest frame 3, a supporting seat 22 is rotatably installed on the inner side of the wheelchair folding main frame 1, the supporting seat 22 is a right-angled triangle, and the armrest frame 3 can be horizontally supported by rotating below the armrest frame 3.

The working principle of the embodiment is as follows:

when the wheelchair bed needs to be unfolded, the wheelchair folding main frame 1 is adjusted to be unfolded horizontally, meanwhile, the first telescopic wheel 7 is rotated relative to the fixing clamp 6 to be perpendicular to the position below the wheelchair folding main frame 1, at the moment, the connecting seat 15 is connected to the fixing clamp 6 and the first telescopic wheel 7 in an extending mode through the sliding connecting sleeve 11, the rotating connecting sleeve 11 is screwed on the hollow threaded shaft 10, the first telescopic wheel 7 at the moment is limited by the abutting of the connecting sleeve 11 and cannot rotate, so that the first telescopic wheel 7 can be adjusted to complete supporting, meanwhile, the second telescopic wheel 14 rotating on the grab rail 12 of the wheelchair folding main frame 1 is rotated to be perpendicular to the ground, the hand wheel 21 drives the adjusting sleeve 16 to rotate, the adjusting sleeve 16 is connected to the fixing rod 17 in a threaded mode through the rotating hand wheel 21, the fixing rod 17 extends relative to the adjusting sleeve 16 and is inserted into the connecting seat 15 on the rotating sleeve 13, the second telescopic wheel 14 is fixed, the supporting can be achieved through the adjusting of the second telescopic wheel 14, the limiting seat 24 can be synchronously rotated at the moment, the abutting of the connecting shaft 25 can be relieved, the supporting frame 3 can be unfolded, and the armrest frame 3 can be supported by the supporting frame 3.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. Folding wheelchair bed, including wheelchair folding body frame (1), its characterized in that: a foot rest (5) is rotatably arranged on one side surface of the wheelchair folding main frame (1), and a first supporting component is arranged outside the foot rest (5);

the support assembly comprises a fixing clamp (6) welded on the outer side edge of the foot support (5), the fixing clamp (6) is far away from one end of the foot support (5) and is hinged with a first telescopic wheel (7) through a hinge shaft, a grab rail (12) is fixedly installed on the backrest part of the wheelchair folding main frame (1), a rotating sleeve (13) is installed on the outer side of the grab rail (12) in a rotating mode, a second telescopic wheel (14) is fixedly installed on the outer side of the rotating sleeve (13), and the second telescopic wheel (14) and the first telescopic wheel (7) are identical in structure.

2. The folding wheelchair bed of claim 1 wherein: the outer part of the first telescopic wheel (7) is fixedly provided with a clamping clip (8).

3. The folding wheelchair bed of claim 2 wherein: the outside slidable mounting of first flexible wheel (7) has adapter sleeve (11), the outside fixed mounting of fixation clamp (6) has baffle (9), fixed mounting has hollow screw shaft (10) on baffle (9), adapter sleeve (11) threaded connection in hollow screw shaft (10).

4. A folding wheelchair bed according to claim 3, characterised in that: the connecting sleeve (11) is provided with a sliding hole towards one end of the first telescopic wheel (7), one end of the connecting sleeve (11) towards the fixing clamp (6) is provided with a thread groove, and the thread groove is in corresponding threaded connection with the hollow thread shaft (10).

5. The folding wheelchair bed of claim 4 wherein: the outside welding of rotating cover (13) has connecting seat (15), connecting seat (15) with second expansion wheel (14) use rotate cover (13) as central symmetry arranges, rotate on the inside wall of grab rail (12) and install adjusting sleeve (16), dead lever (17) are installed to the internal screw thread of adjusting sleeve (16), dead lever (17) peg graft in connecting seat (15).

6. The folding wheelchair bed of claim 5 wherein: the outside fixed mounting of grab rail (12) have sliding connection in stop collar (18) of dead lever (17), fixed mounting has slider (19) on the inside wall of stop collar (18), spout (20) have been seted up on the outer wall of dead lever (17), slider (19) sliding connection in spout (20).

7. The folding wheelchair bed of claim 6 wherein: a hand wheel (21) is further rotatably arranged outside the grab rail (12), and the hand wheel (21) is fixedly connected with the adjusting sleeve (16).

8. The folding wheelchair bed of claim 7 wherein: the wheelchair folding main frame is characterized in that a connecting frame (2) is rotatably arranged on the outer side of the wheelchair folding main frame (1), an armrest frame (3) is fixedly arranged on the connecting frame (2), and arc-shaped grooves are formed in the armrest frame (3) towards the roller wheel parts of the wheelchair folding main frame (1).

9. The folding wheelchair bed of claim 8 wherein: the wheelchair folding main frame comprises a wheelchair folding main frame body, wherein a round table (23) is rotatably arranged at the top of the wheelchair folding main frame body, a limiting seat (24) is fixedly arranged at the top of the round table (23), a connecting shaft (25) corresponding to the limiting seat (24) is rotatably arranged at the bottom of the handrail frame body (3), and a supporting seat (22) is rotatably arranged at the inner side of the wheelchair folding main frame body (1).