Adjustable wheelchair safety belt

Abstract

The utility model discloses an adjustable wheelchair safety belt which comprises a backrest, a lifting adjusting safety belt assembly is arranged on the backrest, a seat cushion is arranged below the backrest, a limiting sliding groove is formed in the end, away from the backrest, of the seat cushion, limiting sliding blocks are arranged in the left end and the right end of the limiting sliding groove respectively, and the limiting sliding blocks are connected with the seat cushion through locking bolts. Thigh safety belts are arranged on the limiting sliding blocks respectively, connecting buckles are arranged at the ends, away from each other, of the thigh safety belts respectively, and the connecting buckles are arranged at the left end and the right end of the seat cushion respectively. The lifting adjusting safety belt assembly, the thigh safety belt, the hand adjusting safety belt assembly and the leg adjusting safety belt assembly are arranged to be matched so that the safety belts on the corresponding parts of the body can be adjusted according to the requirements of patients to achieve the needed fixing effect, meanwhile, the wheelchair safety belt is suitable for different patients to use, and traditional wheelchair safety belt arrangement is changed; the practicability and the use comfort are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelchairs, in particular to an adjustable wheelchair safety belt. Background Art

[0002] Wheelchairs are important tools for rehabilitation. They are not only a means of transportation for the physically disabled, but more importantly, they enable them to exercise and participate in social activities with the help of wheelchairs. They are a blessing for patients with hemiplegia after stroke. In clinical practice, some patients with stroke, hemiplegia, cognitive impairment, coexisting diseases, weak lower limbs, and inability to walk or sit up are at risk of slipping or falling from wheelchairs during sitting and standing activities.

[0003] The existing wheelchair safety belt method generally uses the wheelchair's own waist fixing belt to fix the patient to the wheelchair as a whole. The buckle is easy to loosen, the Velcro is easy to age, and the single waist fixing is easy to slip off the wheelchair or fall; the additional restraint belt is generally designed as a vest, which is easy to suffocate sweat in hot weather, and the fixed design in the middle of the perineum greatly reduces the comfort of male patients and is easy to cause genital damage to male patients. In addition, the position of the safety belt cannot be adjusted according to the patient's needs, and it cannot be adapted to the needs of different patients. Utility Model Content

[0004] The utility model aims to provide an adjustable wheelchair safety belt to solve the problems that the existing wheelchair safety belt has a single fixed waist, which makes the patient easy to slip off or fall from the wheelchair, has low comfort in use, cannot adjust the position of the safety belt according to the patient's needs, and cannot be adapted to the needs of different patients.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An adjustable wheelchair safety belt comprises a backrest, a lifting and adjusting safety belt assembly is arranged on the backrest, a seat cushion is arranged below the backrest, a limiting slide groove is arranged at one end of the seat cushion away from the backrest, limiting sliders are arranged in the left and right ends of the limiting slide groove, the limiting sliders are connected to the seat cushion through locking bolts, thigh safety belts are arranged on the limiting sliders, connecting buckles are arranged at the ends of the thigh safety belts away from each other, the connecting buckles are arranged on the left and right ends of the seat cushion, armrests are arranged between the seat cushion and the backrest, a hand-adjusting safety belt assembly is arranged on the armrests, a support rod is arranged at one end of the seat cushion away from the backrest, a footrest is arranged at the bottom of the support rod, and a leg-adjusting safety belt assembly is arranged on the support rod.

[0007] Optionally, the lifting and adjusting seat belt assembly includes a chest seat belt and an abdominal seat belt, the chest seat belt is arranged above the abdominal seat belt, the chest seat belt and the abdominal seat belt are respectively arranged on both ends of the connecting cross plate, a T-shaped slider is arranged at the center of the connecting cross plate, the T-shaped slider is arranged in the T-shaped slide groove, the T-shaped slide groove is opened on the backrest, and the connecting cross plate is connected to the backrest by auxiliary bolts.

[0008] Optionally, the hand-adjustable safety belt assembly includes a hand connecting strap, one end of which is arranged on an auxiliary slider, and the other end is arranged on an auxiliary buckle. The auxiliary slider and the auxiliary buckle are both arranged in a hand limiting slide groove, and the hand limiting slide grooves are respectively opened on the left and right ends of the armrest, and the auxiliary slider and the auxiliary buckle are both connected to the armrest by bolts.

[0009] Optionally, the leg adjustment seat belt assembly includes a leg connecting strap, one end of the leg connecting strap is arranged on the auxiliary limiting slider, and the other end is arranged on the auxiliary adjustment buckle, the auxiliary limiting slider and the auxiliary adjustment buckle are both arranged in the leg limiting slide groove, the leg limiting slide grooves are respectively opened on the left and right ends of the support rod, and the auxiliary limiting slider and the auxiliary adjustment buckle are both connected to the support rod by bolts.

[0010] Optionally, both the chest safety belt and the abdominal safety belt are connecting straps, which are configured to be retractable and adjustable through snap-fit.

[0011] Optionally, the seat cushion is divided into a seat cushion cover and a seat cushion core. The seat cushion cover is made of waterproof and anti-fouling material, the seat cushion core adopts a 3D honeycomb mesh design, the seat cushion bottom layer is a drop-plastic anti-slip bottom layer, and the seat cushion core is a high-elastic sponge.

[0012] The beneficial effects of the utility model are as follows: by setting a lifting and adjusting safety belt assembly, a thigh safety belt, a hand-adjusting safety belt assembly and a leg-adjusting safety belt assembly, the safety belts at corresponding parts of the body can be adjusted according to the needs of the patient to achieve the desired fixing effect, thereby ensuring the safety of the patient. At the same time, the utility model is suitable for use by different patients, thereby changing the setting of the traditional wheelchair safety belts and improving its practicality and comfort of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be described by way of examples with reference to the accompanying drawings, in which:

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a side view structural schematic diagram of the utility model;

[0017] Figure 4 It is a main structural schematic diagram of the utility model.

[0018] In the figure: 1. backrest; 2. seat cushion; 3. limit slide; 4. limit slider; 5. thigh safety belt; 6. connecting buckle; 7. armrest; 8. support rod; 9. footrest; 10. chest safety belt; 11. abdominal safety belt; 12. connecting cross plate; 13. T-shaped slider; 14. T-shaped slide; 15. auxiliary bolt; 16. hand connecting strap; 17. auxiliary slider; 18. hand limit slide; 19. leg connecting strap; 20. auxiliary limit slider; 21. leg limit slide; 22. buckle. DETAILED DESCRIPTION

[0019] Any feature disclosed in this specification, unless otherwise stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, welding, riveting, bonding, etc., or a detachable connection, threaded connection, key connection, pin connection, etc., or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0023] like Figure 1-4The adjustable wheelchair safety belt shown in the figure comprises a backrest 1, a lifting and adjusting safety belt assembly is arranged on the backrest 1, a seat cushion 2 is arranged below the backrest 1, a limiting slide 3 is arranged at the end of the seat cushion 2 away from the backrest 1, limiting sliders 4 are arranged in the left and right ends of the limiting slide 3, the limiting slider 4 is connected to the seat cushion 2 through locking bolts, thigh safety belts 5 are arranged on the limiting sliders 4, and connecting buckles 6 are arranged at the ends of the thigh safety belts 5 away from each other, and the connecting buckles 6 are arranged on the left and right ends of the seat cushion 2, an armrest 7 is arranged between the seat cushion 2 and the backrest 1, a hand-adjusting safety belt assembly is arranged on the armrest 7, a support rod 8 is arranged at the end of the seat cushion 2 away from the backrest 1, a footrest 9 is arranged at the bottom of the support rod 8, and a leg-adjusting safety belt assembly is arranged on the support rod 8. It should be noted that a number of ventilation holes are arranged on the backrest 1 to improve its comfort, and the thigh safety belts 5 can adjust the distance between them according to the patient's needs to avoid strangulation of the patient's thighs.

[0024] Specifically, the lifting and adjusting safety belt assembly includes a chest safety belt 10 and an abdominal safety belt 11. The chest safety belt 10 is arranged above the abdominal safety belt 11. The chest safety belt 10 and the abdominal safety belt 11 are respectively arranged on both ends of the connecting horizontal plate 12. A T-shaped slider 13 is arranged at the center of the connecting horizontal plate 12. The T-shaped slider 13 is arranged in a T-shaped slide groove 14. The T-shaped slide groove 14 is opened on the backrest 1. The connecting horizontal plate 12 is connected to the backrest 1 through an auxiliary bolt 15. It should be noted that the chest safety belt 10 and the abdominal safety belt 11 can be lifted and slid to the required working position using the T-shaped slider 13 and the T-shaped slide groove 14 according to needs, and then fixed to the backrest 1 through the auxiliary bolt 15.

[0025] Specifically, the hand adjustment safety belt assembly includes a hand connection strap 16, one end of which is arranged on the auxiliary slider 17, and the other end is arranged on the auxiliary buckle, the auxiliary slider 17 and the auxiliary buckle are both arranged in the hand limiting slide 18, the hand limiting slide 18 is respectively opened on the left and right ends of the armrest 7, and the auxiliary slider 17 and the auxiliary buckle are connected to the armrest 7 by bolts. It should be noted that the hand connection strap 16 can be slid forward and backward to the required working position by using the auxiliary slider 17 and the auxiliary buckle in conjunction with the hand limiting slide 18 according to needs, and then positioned by bolts, and then the hand connection strap 16 is used to cooperate with the auxiliary buckle to fix the patient's hand on the armrest 7.

[0026] Specifically, the leg adjustment safety belt assembly includes a leg connection strap 19, one end of which is arranged on the auxiliary limit slider 20, and the other end is arranged on the auxiliary adjustment buckle. The auxiliary limit slider 20 and the auxiliary adjustment buckle are both arranged in the leg limit slide 21, and the leg limit slide 21 is respectively opened on the left and right ends of the support rod 8, and the auxiliary limit slider 20 and the auxiliary adjustment buckle are connected to the support rod 8 by bolts. It should be noted that the leg connection strap 19 can be slid up and down to the required working position by using the auxiliary limit slider 20 and the auxiliary adjustment buckle to cooperate with the leg limit slide 21 according to needs, and then positioned by bolts, and the patient's legs are fixed to the support rod 8 by using the leg connection strap 19 in cooperation with the auxiliary adjustment buckle.

[0027] Specifically, the chest safety belt 10 and the abdominal safety belt 11 are both connecting straps, which are arranged to be retractable and adjustable through the buckle 22. It should be noted that the chest safety belt 10 and the abdominal safety belt 11 can be opened and then fixed to the patient on the backrest 1 through the buckle 22.

[0028] Specifically, the seat cushion 2 is divided into a seat cushion outer cover and a seat cushion inner core. The seat cushion outer cover is made of waterproof and anti-fouling material, and the seat cushion inner core is designed with 3D honeycomb mesh. The bottom layer of the seat cushion 2 is a drip-molded non-slip bottom layer, and the seat cushion inner core is a high-elastic sponge. It should be noted that the setting of the seat cushion 22 being divided into a seat cushion outer cover and a seat cushion inner core will improve its comfort and stability, and ensure that the patient can sit stably on the wheelchair.

[0029] The working principle of this specific embodiment is as follows: first, place the patient on the seat cushion 2, then adjust the working positions of the chest safety belt 10 and the abdomen safety belt 11 according to the needs, then tie the patient's chest and abdomen to the backrest 1 by matching the buckles, and then adjust the hand connection strap 16 to the required working position by sliding the auxiliary slider 17 and the auxiliary buckle in conjunction with the hand limit slide 18 to the desired working position, position it through the bolts, and then use the hand connection strap 16 in conjunction with the auxiliary buckle to fix the patient's hand on the armrest 7, and the two thigh safety belts can be adjusted according to the patient's needs by using the limit slider 4 in conjunction with the limit slide 3 The spacing between the belts 5 is fixed by a locking bolt, and the thigh safety belt 5 cooperates with the connecting buckle 6 to fix the patient's thigh in a limited position, and then the auxiliary limiting slider 20 and the auxiliary adjustment buckle are used to cooperate with the leg limiting slide groove 21 to slide the leg connecting strap 19 up and down to the required working position, and the patient's legs are fixed to the support rod 8 by the leg connecting strap 19 in cooperation with the auxiliary adjustment buckle. When different patients use the wheelchair, the working positions of the chest safety belt 10, the abdominal safety belt 11, the hand connecting strap 16, the thigh safety belt 5 and the leg connecting strap 19 can be quickly adjusted according to needs to achieve the required fixing effect.

[0030] The present invention is not limited to the above-mentioned specific implementation modes, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. An adjustable wheelchair safety belt, characterized in that: The invention comprises a backrest, on which a lifting and adjusting safety belt assembly is arranged, a seat cushion is arranged under the backrest, a limiting slide groove is arranged at one end of the seat cushion away from the backrest, limiting sliders are arranged in the left and right ends of the limiting slide groove, the limiting sliders are connected to the seat cushion through locking bolts, thigh safety belts are arranged on the limiting sliders, connecting buckles are arranged at the ends of the thigh safety belts away from each other, the connecting buckles are arranged on the left and right ends of the seat cushion, armrests are arranged between the seat cushion and the backrest, a hand-adjusting safety belt assembly is arranged on the armrests, a support rod is arranged at one end of the seat cushion away from the backrest, a footrest is arranged at the bottom end of the support rod, and a leg-adjusting safety belt assembly is arranged on the support rod.

2. The adjustable wheelchair safety belt according to claim 1, characterized in that: The lifting and adjusting safety belt assembly includes a chest safety belt and an abdominal safety belt, the chest safety belt is arranged above the abdominal safety belt, the chest safety belt and the abdominal safety belt are respectively arranged on both ends of the connecting cross plate, a T-shaped slider is arranged at the center of the connecting cross plate, the T-shaped slider is arranged in a T-shaped slide groove, the T-shaped slide groove is opened on the backrest, and the connecting cross plate is connected to the backrest through auxiliary bolts.

3. The adjustable wheelchair safety belt according to claim 1, characterized in that: The hand-adjustable safety belt assembly includes a hand connecting strap, one end of which is arranged on an auxiliary slider, and the other end is arranged on an auxiliary buckle, the auxiliary slider and the auxiliary buckle are both arranged in a hand limiting slide groove, and the hand limiting slide groove is respectively opened on the left and right ends of the armrest, and the auxiliary slider and the auxiliary buckle are both connected to the armrest by bolts.

4. The adjustable wheelchair safety belt according to claim 1, characterized in that: The leg adjustment safety belt assembly includes a leg connecting strap, one end of the leg connecting strap is arranged on an auxiliary limiting slider, and the other end is arranged on an auxiliary adjustment buckle, the auxiliary limiting slider and the auxiliary adjustment buckle are both arranged in a leg limiting slide groove, and the leg limiting slide groove is respectively opened on the left and right ends of the support rod, and the auxiliary limiting slider and the auxiliary adjustment buckle are both connected to the support rod by bolts.

5. The adjustable wheelchair safety belt according to claim 2, characterized in that: The chest safety belt and the abdominal safety belt are both connecting straps, which are configured to be retractable and adjustable through snap-fit.

6. The adjustable wheelchair safety belt according to claim 1, characterized in that: The seat cushion is divided into a seat cushion outer cover and a seat cushion inner core. The seat cushion outer cover is made of waterproof and anti-fouling material, the seat cushion inner core is designed with 3D honeycomb mesh, the seat cushion bottom layer is a drip-molded anti-slip bottom layer, and the seat cushion inner core is a high-elastic sponge.

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