Safety anti-falling device for sickbed wheelchair

By designing anti-fall and adjustment components on the hospital bed wheelchair, the problem of falls caused by the forward tilting of the wheelchair has been solved, achieving safety protection for patients during use.

CN223845877UActive Publication Date: 2026-01-30ZHONG SHAN PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423272098.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing hospital bed wheelchairs are prone to causing patients to fall out of the wheelchair and suffer secondary injuries when the front wheels are blocked or the patient tilts forward while standing.

Method used

A safety anti-fall device for hospital bed wheelchairs has been designed, including an anti-fall component and an adjustment component. The anti-fall component prevents the wheelchair from tilting forward through a movable plate and support rod structure, while the adjustment component keeps the wheelchair's center of gravity stable through a pressure sensor and an electric telescopic rod.

Benefits of technology

It effectively prevents hospital beds and wheelchairs from tilting forward and tipping over, avoids patient falls, and ensures safety during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sickbed and wheelchair safety anti-falling device which comprises a sickbed and wheelchair assembly which comprises a folding bed body. The anti-falling assembly comprises fixed shafts, movable plates, sliding grooves, pulleys, supporting rods, push plates and fixing nuts, the fixed shafts are fixedly connected to the two sides of the outer end of the folding bed body, the movable plates are rotationally connected to the outer surfaces of the fixed shafts, and the sliding grooves are formed in the two sides of the outer end of the folding bed body and the outer sides of the movable plates correspondingly; the pulleys are rotationally connected to the interiors of the sliding grooves, the supporting rods are fixedly connected to the outer ends of the pulleys, the push plates are fixedly connected to the outer ends of the supporting rods, and the fixing nuts are in threaded connection to the outer surfaces of the supporting rods. By arranging the anti-falling assembly, the problems that when an existing sickbed wheelchair is used, when front wheels of the sickbed wheelchair are blocked or a patient stands by himself, the sickbed wheelchair is prone to inclining forwards, the patient falls off from the sickbed wheelchair, and secondary injury is caused to the patient are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sickbed wheelchair technical field especially is sickbed wheelchair safety anti -fall device. BACKGROUND

[0002] Sickbed wheelchair is a kind of medical equipment that combines sickbed and wheelchair function, to provide more convenient and comfortable moving mode for the patient who is inconvenient to move.The main function of sickbed wheelchair is to provide a stable, comfortable rest environment for patients, and facilitate medical staff to carry out daily nursing and treatment operation.

[0003] The existing sickbed wheelchair is prone to tip when the front wheel is blocked or the patient stands up, which causes the patient to fall off the sickbed wheelchair and causes secondary injury to the patient, therefore, a safety anti-falling device is needed to prevent the patient from falling off the sickbed wheelchair. SUMMARY

[0004] The utility model aims at providing a sickbed wheelchair safety anti-falling device to solve the problem of the existing sickbed wheelchair tipping when the front wheel is blocked or the patient stands up, which causes the patient to fall off the sickbed wheelchair and causes secondary injury to the patient.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a sickbed wheelchair safety anti-falling device, comprising:

[0007] Sickbed wheelchair assembly, the sickbed wheelchair assembly includes folding bed body;

[0008] Anti-falling assembly, the anti-falling assembly includes fixed shaft, movable plate, sliding slot, pulley, support rod, push plate and fixed nut, the fixed shaft is fixedly connected to the outer end both sides position of folding bed body, movable plate is rotatably connected to the outer surface of fixed shaft, sliding slot is respectively set up in the outer end both sides position of folding bed body and the outer side position of movable plate, pulley is rotatably connected to the inner position of sliding slot, support rod is fixedly connected to the outer end position of pulley, push plate is fixedly connected to the outer end position of support rod, fixed nut is threadedly connected to the outer surface of support rod.

[0009] Further, the sickbed wheelchair assembly further comprises support frame and moving wheel, the support frame is fixedly connected to the bottom end position of folding bed body, and the moving wheel is fixedly connected to the outer side position of support frame.

[0010] Further, the sliding slot is inverted T-shaped structure, and the support rod extends outwardly through the sliding slot.

[0011] Further, the support rod outer surface has a thread structure relative to the fixed nut, and the movable plate and the folding bed body are staggered structures.

[0012] Further, the adjusting assembly includes a pressure sensor, a telescopic spring, a top plate, a fixed plate, a fixed rod, a counterweight and an electric telescopic rod, the pressure sensor is fixedly connected to an upper end position of the folding bed body, the telescopic spring is fixedly connected to a top end position of the pressure sensor, the top plate is fixedly connected to a top end position of the telescopic spring, the fixed plate is fixedly connected to both side positions of a bottom end of the folding bed body, the fixed rod is fixedly connected to an inner side position of the fixed plate, the counterweight is sleeved on an outer surface of the fixed rod, and the electric telescopic rod is fixedly connected to an outer side position of the fixed plate.

[0013] Further, the electric telescopic rod penetrates the fixed plate and the counterweight and is connected to the outer side of the fixed plate, and the electric telescopic rod is electrically connected to the pressure sensor through a line.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] One, the utility model discloses a fall-preventing assembly, which is arranged on the folding bed body, and the fall-preventing assembly includes a push plate, a support rod, a fixed nut, a movable plate and a sliding groove.

[0016] Two, based on the beneficial effect one, when the patient moves on the upper end of the folding bed body, the position of the patient is sensed by the pressure sensor, the electric telescopic rod is controlled to be lengthened or shortened by the pressure sensor, the counterweight is moved by the electric telescopic rod, the position of the counterweight is staggered with the position of the patient, and thus the center of gravity of the whole wheelchair bed is kept unchanged, and the wheelchair bed is prevented from tilting and falling on one side. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is the structure diagram of the wheelchair bed assembly of the utility model;

[0020] Figure 3 Figure 1 is a structural diagram of the anti-falling assembly of the utility model;

[0021] Figure 4 Figure 2 is a structural diagram of the adjusting assembly of the utility model.

[0022] In the drawings, the components represented by each reference numeral are listed as follows:

[0023] 11, folding bed body; 12, support frame; 13, moving wheel; 21, fixed shaft; 22, movable plate; 23, sliding groove; 24, pulley; 25, support rod; 26, push plate; 27, fixed nut; 31, pressure sensor; 32, extension spring; 33, top plate; 34, fixed plate; 35, fixed rod; 36, counterweight; 37, electric telescopic rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the embodiments of the utility model, for the convenience of description, the sectional view representing the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual manufacturing.

[0027] In order to make the purposes, technical schemes and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0028] Please refer to Figures 1-3 Fig. 1 is a safety anti-falling device for sickbed wheelchair, comprising:

[0029] Sickbed wheelchair assembly, the sickbed wheelchair assembly comprises a folding bed body 11;

[0030] The anti-falling assembly comprises a fixed shaft 21, a movable plate 22, a sliding groove 23, a pulley 24, a supporting rod 25, a push plate 26 and a fixed nut 27. The fixed shaft 21 is fixedly connected to the outer ends of the folding bed body 11. The movable plate 22 is rotatably connected to the outer surface of the fixed shaft 21. The sliding groove 23 is respectively arranged on the outer ends of the folding bed body 11 and the outer side of the movable plate 22. The pulley 24 is rotatably connected to the inner part of the sliding groove 23. The supporting rod 25 is fixedly connected to the outer end of the pulley 24. The push plate 26 is fixedly connected to the outer end of the supporting rod 25. The fixed nut 27 is threadedly connected to the outer surface of the supporting rod 25.

[0031] The fixed shaft 21 is used for guiding the rotation of the movable plate 22. The movable plate 22 is used for supporting the front end of the folding bed body 11. The sliding groove 23 is used for guiding the pulley 24. The pulley 24 is used for supporting the supporting rod 25. The supporting rod 25 is used for moving the pulley 24. The push plate 26 is used for moving the supporting rod 25. The fixed nut 27 is used for fixing the supporting rod 25 to the outer side of the movable plate 22 and the folding bed body 11.

[0032] The sickbed wheelchair assembly further comprises a supporting frame 12 and a moving wheel 13. The supporting frame 12 is fixedly connected to the bottom end of the folding bed body 11. The moving wheel 13 is fixedly connected to the outer side of the supporting frame 12.

[0033] The supporting frame 12 is used for supporting the folding bed body 11. The moving wheel 13 is used for moving the supporting frame 12.

[0034] The sliding groove 23 is in an inverted T-shaped structure, and the supporting rod 25 extends outwardly through the sliding groove 23.

[0035] When the supporting rod 25 moves, the supporting rod 25 can drive the pulley 24 to move in the sliding groove 23, and the pulley 24 can drive the movable plate 22 to move.

[0036] The outer surface of the supporting rod 25 has a thread structure relative to the fixed nut 27. The movable plate 22 and the folding bed body 11 are in a staggered structure.

[0037] The movable plate 22 can rotate along the fixed shaft 21. The movable plate 22 is in a V-shaped structure with the outer end of the folding bed body 11.

[0038] Working principle: when it is needed to prevent the patient from falling due to the folding bed body 11 tilting forward, a moving force is applied to the push plate 26, so that the push plate 26 drives the support rod 25 to move, the support rod 25 drives the pulley 24 to move along the sliding groove 23, due to the interlacing of the folding bed body 11 and the movable plate 22, the pulley 24 drives the movable plate 22 to rotate outward along the fixed shaft 21, when the movable plate 22 is rotated to be V-shaped with the front end of the folding bed body 11, the support rod 25 is fixed on the outside of the movable plate 22 and the outside of the folding bed body 11 respectively by screwing the fixed nut 27, so that the movable plate 22 is fixed at the outer end of the folding bed body 11, when the folding bed body 11 tilts forward, the movable plate 22 supports the front end of the folding bed body 11, so that the patient is prevented from falling due to the folding bed body 11 tilting forward.

[0039] Please refer to Figure 4 The embodiment shown is based on the above-mentioned embodiment, further comprising:

[0040] The adjusting assembly comprises a pressure sensor 31, a telescopic spring 32, a top plate 33, a fixed plate 34, a fixed rod 35, a counterweight 36 and an electric telescopic rod 37, the pressure sensor 31 is fixedly connected to the upper end position of the folding bed body 11, the telescopic spring 32 is fixedly connected to the top end position of the pressure sensor 31, the top plate 33 is fixedly connected to the top end position of the telescopic spring 32, the fixed plate 34 is fixedly connected to the bottom end position of the folding bed body 11, the fixed rod 35 is fixedly connected to the inner side position of the fixed plate 34, the counterweight 36 is sleeved on the outer surface of the fixed rod 35, and the electric telescopic rod 37 is fixedly connected to the outer side position of the fixed plate 34.

[0041] The pressure sensor 31 is used to measure the elastic force of the telescopic spring 32, the telescopic spring 32 is used to be compressed under the driving of the top plate 33, the top plate 33 is used to support the patient, the fixed plate 34 is used to support the fixed rod 35 and the electric telescopic rod 37, the fixed rod 35 is used to support and guide the counterweight 36, the counterweight 36 is used to stabilize the center of gravity of the bed and wheelchair assembly, and the electric telescopic rod 37 is used to drive the counterweight 36 to move.

[0042] The electric telescopic rod 37 penetrates through the fixed plate 34 and the counterweight 36 on the outer side, and the electric telescopic rod 37 is electrically connected to the pressure sensor 31 through a line;

[0043] When the pressure sensor 31 measures that the telescopic spring 32 has elastic force, the pressure sensor 31 controls the electric telescopic rod 37 to stretch or retract.

[0044] Working principle: when the patient moves on the folding bed body 11 upper end, the patient drives the top plate 33 to move, the top plate 33 moves and drives the telescopic spring 32 to compress and generate elastic force, when the pressure sensor 31 measures that the telescopic spring 32 has elastic force, the pressure sensor 31 controls the electric telescopic rod 37 to start, the electric telescopic rod 37 telescopes and drives the counterweight 36 to move along the fixed rod 35 to the lower of the telescopic spring 32 without elastic force, so that the position of the counterweight 36 and the position of the patient are staggered, so that the center of gravity of the bed wheelchair assembly is stable, and the phenomenon of side turning does not occur.

[0045] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A safety anti-fall device for a hospital bed wheelchair, characterized in that, The utility model relates to a sickbed wheelchair assembly, including: The utility model relates to a sickbed wheelchair assembly, including a folding bed body (11); The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).

2. The fall prevention device for a bed or wheelchair according to claim 1, wherein The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).

3. The fall prevention device for a bed or wheelchair according to claim 1, wherein The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).

4. The fall prevention device for a bed or wheelchair according to claim 1, wherein The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).

5. The fall prevention device for a bed or wheelchair according to claim 1, wherein The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).

6. The fall prevention device according to claim 5, wherein The utility model discloses a sickbed wheelchair assembly, including a folding bed body (11), a fixed shaft (21), a movable plate (22), a sliding groove (23), a pulley (24), a support rod (25), a push plate (26) and a fixed nut (27), the fixed shaft (21) is fixedly connected to both sides of the outer end of the folding bed body (11), the movable plate (22) is rotatably connected to the outer surface of the fixed shaft (21), the sliding groove (23) is respectively arranged at both sides of the outer end of the folding bed body (11) and the outer side of the movable plate (22), the pulley (24) is rotatably connected to the inner position of the sliding groove (23), the support rod (25) is fixedly connected to the outer end position of the pulley (24), the push plate (26) is fixedly connected to the outer end position of the support rod (25), and the fixed nut (27) is threadedly connected to the outer surface of the support rod (25).