CN108524202A - Liftable multifunction walking-aid device - Google Patents

Abstract

The invention discloses a kind of liftable multifunction walking-aid devices, including chassis, on, lower support arm, gas spring and crossbeam, it is fixedly installed bearing on the chassis, front and back load wheel, support leg and bottom crossbearer, the lower bracing frame is rotatably arranged on bearing, the upper support frame is rotatably arranged in lower bracing frame and crossbeam, the gas spring is rotatably arranged between chassis and lower bracing frame and lower bracing frame and upper support frame respectively, trapezoidal handrail is provided on the upper support frame, it is fixedly installed arm-rest frame on the crossbeam, chest leans on board mount and buttocks fixed ring, it is fixedly installed electric pushrod between the crossbeam and the bearing.Transfer, lower limb Walking can be achieved in the present invention, and flexible support so that modularized design is applied widely using comfortably, and anti-down reprinting wheel design improves safety, and the guide of laser light gait keeps rehabilitation training more reasonable.

Description

Liftable multifunctional walker

technical field

The invention relates to the technical field of rehabilitation appliances, in particular to a liftable multifunctional walker.

Background technique

At present, according to survey data, with the acceleration of the aging population in my country, the number of disabled and semi-disabled elderly people has also increased rapidly, accounting for about 18.3% of the total population of the elderly, and my country has a large population base of people with lower limb disabilities. In order to prevent the lower limb muscle atrophy and joint atrophy of the semi-disabled elderly or disabled people, it is very important to carry out lower limb rehabilitation training, improve the rehabilitation effect, and accelerate the recovery of limb functions, which is very important for improving the self-care ability and quality of life of the elderly or disabled people.

However, the elderly or disabled face many difficulties and safety problems in rehabilitation training and daily life. Solve the problem of correct use of rehabilitation equipment in the process of lower limb rehabilitation training, meet the needs of transfer and walking assistance, and improve the quality of life of the elderly or disabled , reduce the labor intensity of medical staff, reduce the incidence of complications in patients with lower limb dysfunction, and increase the comfort of disabled people using walking aids have become urgent problems to be solved.

At the same time, as far as the many walkers currently on the market are concerned, some of them are large in size and cumbersome to use. The rigid support makes the use of walkers uncomfortable for disabled people, often accompanied by secondary injuries such as leg wear and tear. Some structures are too simple and have a single function, which cannot play the role of whole body support, and are applicable to a small number of people. Therefore, it is very important to develop a walking aid with multiple functions, wide applicability and comfortable use.

Contents of the invention

The object of the present invention is to provide a liftable multifunctional walker aiming at the technical defects in the prior art.

The technical scheme adopted for realizing the purpose of the present invention is:

A liftable multifunctional walking aid, comprising a base frame, upper and lower support arms, gas springs and beams, the base frame is fixedly provided with a support, front and rear loading wheels, support legs and a bottom horizontal frame, the The lower support frame is rotatably arranged on the support, the upper support frame is rotatably arranged on the lower support frame and the beam, and the gas spring is rotatably arranged on the bottom frame, the lower support frame and the lower support frame respectively. Between the frame and the upper support frame, the upper support frame is provided with a trapezoidal handrail, and the armrest frame, the chest support bracket and the buttock fixing ring are fixedly arranged on the described crossbeam, and the described crossbeam and the described support An electric push rod is fixedly arranged between them.

The rear end of the underframe is provided with an anti-reversing loading wheel, and a certain angle is formed between the wheel frame of the anti-reversing loading wheel and the underframe. The ring-shaped chute provided on the outer ring of the loading wheel is reversed to match, and the ring-shaped chute is provided with a plurality of reverse locking grooves, and the rear end of the chassis is fixedly provided with the support legs.

The lower part of the front end of the bottom frame is provided with lockable universal wheels, the bottom horizontal frame is fixedly arranged at the front end of the bottom frame, and two laser light guiding devices are fixedly arranged in the middle of the bottom horizontal frame.

The two ends of the bottom frame, the lower support frame and the upper support frame are respectively fixed with solid plugs of a certain length, and the solid plugs are sleeved with protective caps, and the solid plugs and the protective caps are respectively provided with circular through holes, and the protective cap is fixed on the solid plug by bolts.

The crossbeam is provided with a three-way pipe, and the chest support, the crossbeam and the handrail frame are connected together through the three-way pipe and fixed by a screw. Hand-push grips, multi-angle grips or elbow grips, etc. can also be added to the armrest frame.

The upper end of the tee pipe is provided with a conical pipe thread, which is screwed together with the inner pipe thread of the tightener.

The two ends of the beam are provided with circular joints, the center of the circular joint is provided with a threaded through hole, and the outside is provided with external threads, and the circular joint is fixed on the beam through external threads, and the bolt shaft is sleeved Self-lubricating bearings, the bolt shaft and the circular joint are fixed by internal threads, the beam is provided with a "T"-shaped connection seat, the beam and the electric push rod pass through the "T" The shape connection seat is fixed.

A load-bearing seat is arranged in the middle of the beam, the buttock fixing ring is arranged on the load-bearing seat, the buttock restraint belt is arranged on the hip fixation ring, and the hip restraint belt is fixed by hanging On said hip fixation ring.

The upper end of the chest support bracket is provided with a support plate, and the support plate is provided with four threaded holes arranged horizontally and vertically, and the threaded holes in the vertical direction are inserted with two support rods with one end being a ball pair and the other end being a threaded support rod. One end of the thread is connected with the support plate, one end of the ball pair is connected with the chest support plate, and two limit bolts are inserted in the horizontal direction.

There are pin holes on the left and right edges of the chest board, pin heads are provided at the front end of the chest restraint belt, and adhesive tapes are provided at the rear end of the chest restraint belt.

Compared with prior art, the beneficial effect of the present invention is:

The liftable function enables the invention to save manpower or equipment handling, thereby realizing the seamless transfer between the wheelchair and the walker, avoiding possible danger and unnecessary injury during the conversion process; it can freely replace different Functional supporting aids module; the non-rigid support provided by the hip and chest straps provided by the present invention and the design of the adjustable chest board greatly improve the comfort of the user during use, and can complete weight loss walking, walking Training, upright and conversion from sitting to standing posture; laser light gait guidance provides a visual guidance method, which is more intuitive and effective in guiding the rehabilitation training of the lower limbs of the elderly and disabled; the front and rear wheels are equipped with certain The inclination angle can prevent the walker from turning forward and backward, which is more secure.

Description of drawings

Figure 1 shows the overall schematic diagram of the structure of the present invention;

Figure 2 is a schematic diagram of the structural details of the adjustable chest rest;

Fig. 3 shows the structural representation of the anti-inverting wheel and the supporting legs;

Figure 4 shows a schematic diagram of replacing different support aid modules;

Figure 5 shows a schematic diagram of the hinged support arm;

Figure 6 shows a schematic diagram of the laser light gait guidance method;

Figure 7 shows a schematic diagram of the lifting of the walker;

Figure 8 is a schematic diagram of the internal structure of the transfer switch;

Figure 9 is a schematic diagram of the internal structure of the opening and closing of the buttocks fixing ring;

Figure 10 is a schematic diagram of a hip corset.

Figure 11 shows a schematic diagram of the lock.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figure 1, the liftable multifunctional walker of the present invention includes a chassis 1, an upper support arm 4, a lower support arm 3, a gas spring 2 and a beam 5, and a support is fixedly arranged on the chassis 15. Front load wheels 12, rear load wheels 13, support legs and bottom cross frame 14, the lower support frame is rotatably arranged on the support, and the upper support frame is rotatably arranged on the lower support frame and the cross beam Above, the gas springs are rotatably arranged between the bottom frame and the lower support frame, and between the lower support frame and the upper support frame, the upper support frame is provided with a trapezoidal handrail 41, and the cross beam is fixedly arranged There are armrest frame 52, chest support board 6 bracket and buttocks fixing ring 8, and electric push rod 9 is fixedly arranged between the described beam and the described support. Through the action of the electric push rod, the lifting function can be realized to adjust the height to supply the disabled people of different sizes and the conversion of the elderly disabled from a sitting position to a standing position. At the same time, the wireless controller and battery pack are built into the chassis tube to make the overall structure simple. The stability, vibration resistance and flexibility of the overall structure are increased by setting four gas springs. On the other hand, the positions of the multiple parts of the present invention are all adjustable, and the walker of the present invention is replaceable and detachable, so that it can be used by elderly or disabled people of different shapes and heights, improving comfort and comfort. Convenience, thus more humanized features.

Specifically, in order to enable disabled persons to have a better sense of comfort when using the present invention, an adjustable chest rest is provided. As shown in Fig. 1 and Fig. 2, the height of the chest support 6 is adjustable, and the inner and outer tubes can be sleeved to cooperate with pin hole pin adjustment or local threaded tube adjustment or various methods such as plug-in and tension-type. In the invention, the mode of partially threaded pipe is only used as an example for illustration. Both ends of the bottom of the chest resting bracket can be inserted into the tee pipe, and the upper end of the tee pipe is provided with a conical local pipe thread, and the tightener 54 is used to tighten and loosen the chest resting bracket, thereby adjusting the height up and down and fixing the height position . The adjustable chest support board 7 is supported by two rotatable and length-adjustable support frames 62, one end of the support frame is connected with the chest support board through a ball pair, and the other end of the support frame is threaded. Screw into the chest support bracket. By rotating the threads on the two support rods, the relative lengths of the two support rods are adjusted to change the pitch angle of the chest rest board 7 in the vertical direction. Due to the side effect of the ball at the other end, the user can It can swing left and right along with the movement of the body in the horizontal direction, and there are two limit bolts 61 to limit the inclination angle in the horizontal direction. When the elderly or the disabled use the liftable multifunctional walker of the present invention to switch from a sitting position to a standing position, they can simulate the posture of a normal person when they switch from sitting to standing by adjusting the inclination angle of the chest board, or by adjusting Use the support pole to choose the most comfortable angle. Simultaneously, when the elderly or the disabled use the present invention, the swingable chest rest board can swing together with the body of the elderly or the disabled, which can reduce the friction between the user and the walker to a certain extent, avoiding the Secondary injury to an elderly or disabled person. There are bayonet seats 71 on both sides of the adjustable chest board, and one side of the chest restraint belt 72 is provided with a pin head 73 that can be quickly inserted and pulled out, and the other side is provided with an adhesive tape 74 to facilitate the opening and tightening of the handicapped person. .

Further, as shown in Fig. 3 and Fig. 8, in order to improve the safety and stability of the elderly or the disabled when using the present invention, the present invention is provided with an anti-upside down loading wheel 12 and a support leg 125, and the anti-rotation The inverted loading wheel is divided into three parts, the outermost ring is a rubber rim 128, the middle chute ring 127 is fixed with the inner ring of the rubber ring, the innermost ring is a cylindrical roller bearing 129, and the outer ring is connected with the chute The ring is fixed, and its inner ring is in interference fit with the wheel frame 121. The wheel frame is provided with a sliding cut 122. The sliding pin is inserted into the chute ring and can slide in the chute ring. The chute is provided with A plurality of barb grooves 126, when the rear load wheel is turned upside down, the bayonet will fall into the bayonet of the barb groove due to the action of gravity, so that the rear wheel stops rotating, and the bayonet will slide out from the other side of the bayonet groove smoothly when the forward rotation is not affected , It plays the role of anti-reversing, so as to prevent the danger caused by the elderly or disabled people accidentally entering the ramp when using it. The rear load wheels form a certain angle with the underframe to improve stability, and in addition, the anti-rollover frame can be installed on the underframe to prevent tipping. At the same time, the present invention also discloses a fixing method for wheel frame conversion. The rear load wheel is rotatable relative to the bottom frame 1, and the trapezoidal pin 123 can be pulled back into the bottom frame by pulling the pull ring 124. Due to gravity, the rear load wheel loses support. , the rear load wheel will rotate upwards clockwise, and the supporting legs will replace the support frame body of the rear load wheel. When the user needs to transfer from the wheelchair to the walker, first fix the front universal wheel 13, then pull the pull rings on both sides to switch to the support leg support mode and then enter the walker, and then the push rod pushes the user up to stand The posture is converted from sitting to standing. When the appropriate height is reached, the elderly or the disabled can lightly lift the trapezoidal handrail 41. Due to gravity, the rear wheel returns to its original position. The trapezoidal pin 123 pops up due to the effect of the spring 1242, and the stuck wheel is converted into a walking mode. , for mobile rehabilitation training. In the support mode, the elderly or the disabled can perform some rehabilitation training and equipment transfer more safely. In the walking mode, the elderly or the disabled can perform gait training. The conversion is convenient, simple and reliable. The elderly or the disabled can It can be operated completely by itself, which greatly reduces the workload of nursing staff and improves the convenience for the elderly or disabled to use at home.

Preferably, in order to make the present invention have multiple functions and a wider scope of application, an adjustable tightener 521 is added to connect various support handles with different functions. In the present invention, only multi-angle handles and elbow rest handles are used as examples illustrate. As shown in Figure 4, the armrest frame 52 is sleeved and fastened with an adjustable tightener, the adjustable tightener can selectively fix the multi-angle grip 523 and the elbow grip 522, when the handicapped person's lower limbs When the strength is insufficient or the lower limbs are accompanied by pain when walking upright and it is difficult to support the body, the elbow support grip can be used to drive the electric push rod to raise the walker, thereby transferring part of the body weight of the elderly or disabled to the elbow, thereby Reduce the burden on the lower limbs of the elderly or disabled and carry out lower limb rehabilitation training. If the elderly or disabled are in the late stage of rehabilitation or when the lower limbs are slightly damaged, multi-angle grips can be used to stabilize and coordinate the body and walk comfortably. Such a replaceable modular design provides different rehabilitation training programs for different elderly people or disabled people, making the present invention more widely used. At the same time, the adjustable tightener can adjust the position of the handle on the armrest frame by tightening and loosening both horizontally and vertically. This design can make every elderly or disabled person feel comfortable State to use a walker.

Specifically, as shown in FIG. 5 , between the upper support frame 4 and the crossbeam 5 , the lower end of the upper support frame 4 and the upper end of the lower support frame 3 all adopt stepped bolt shafts 55 and The socket head 53 is connected in a tightening manner to form a hinge. The self-lubricating bearing 54 is sleeved on the stepped bolt shaft, and the self-lubricating bearing is in interference fit with the through hole in the support arm and the solid plug 42. , so that the support arm can better roll on the stepped bolt shaft, and the upper support arm and the lower support arm also adopt this connection method to form a hinge connection. The top of the support 15 is provided with a hinge to be hinged with the plug at the lower end of the lower support frame. This connection mode reduces the radial friction between the upper support frame and the beam, the upper support frame and the lower support frame, reduces the load on the electric push rod, and also increases the stability and lifting system of the overall structure of the present invention. Flexibility, reduced wear and increased service life. Both ends of all the support frames are covered with protective caps 31, so that the frame body is beautiful and prevents disabled people from accidentally scratching. The upper end of the electric push rod is connected with the crossbeam by a "T" type connecting seat 91, and simultaneously plays the role of fixing the crossbeam in the vertical direction. On the other hand, the present invention is easy to disassemble, increases portability to a certain extent, does not take up space after shrinking, and can be put into a small space such as a car, which provides convenience for the travel and life of the disabled.

Preferably, the present invention designs a laser-guided rehabilitation training method, as shown in Figure 6, during the patient's rehabilitation training, if the walking aid is not used correctly, it may cause irreversible damage to the patient, such as Body deformity, asymmetric recovery of both legs, abnormal walking posture, unsatisfactory rehabilitation effect, etc., the present invention installs a guiding device 141 with two laser light emitters in the middle of the bottom load-bearing beam 14, and the laser light 1411 illuminated on the ground Guide the patient to walk correctly. At the same time, the angle of the emitter can be adjusted to adjust the position of the laser light on the ground. According to individual needs, the most suitable walking position can be found through the adjustment of the rehabilitation physician. Laser light provides a visual guidance method, which can more intuitively and effectively indicate the correct foothold of the elderly or disabled people, thus avoiding the occurrence of abnormal states of patients, so that each step of training has a visual standard for patients To achieve, and ultimately improve the recovery effect.

Specifically, the present invention can also realize the function of transferring positions for the elderly or disabled persons. When the elderly or disabled persons with lower limb disabilities are preparing to transfer positions on wheelchairs or beds, the walker can be adjusted to a suitable position and state. As shown in the left figure of Figure 7, pull the pull ring 124 to switch to the fixed mode and let the elderly or disabled people enter the buttocks fixing ring, fasten the hip restraint belt 9 and the chest restraint belt 72 at the same time, adjust the controller to make the electric push rod 9 push The frame is raised, as shown in the right figure of Figure 7, and then converted to the walking mode to complete the sitting and standing conversion. The elderly or disabled can use the invention for shifting, traveling, training, etc., and it is convenient for the disabled to carry out some daily life. Such as defecation, getting up, etc. At the same time, the present invention has a compact structure, which makes it convenient for the elderly or the disabled to use at home, and increases the self-confidence of the elderly or the disabled when they go out for activities.

As shown in Figures 9 and 10, there is a hinge plate between the rear half and the front half of the buttocks fixing ring 81 and is connected by bolts 82. The inner side of the hinge plate is provided with a cylindrical tension spring 83 link, when the elderly or disabled When a person enters the walker, the rear part of the buttock fixing ring can be opened by lightly pulling it. After entering the walker, release it so that the buttock fixing ring returns to its original position and fastens to fit the human body. The operation is simple and convenient. The ring sponge pad can avoid the injury caused by the collision when the elderly or the disabled use it. Figure 10 shows the hip restraint belt, the elderly or the disabled can fasten the leggings 92 and the waist belt 91 in a wheelchair or on the bed, and hang the hook 93 in the hole behind the waist belt to complete the hip restraint. Next, the front, left and right three slings 95 are wound and fixed on the buttocks fixing ring, and locked by the lock 94, so that the elderly or disabled people are in the suspended state in the buttocks fixing ring, and this state provides a A fixed method of flexible suspension and weight reduction, which reduces the unnecessary friction of the elderly or disabled when using the walker (such as the wear of the seat bag of the walker with a seat bag on the leg, the chest support on the armpit body) The damage caused by pressure and friction), and the unobstructed crotch corset is also convenient for the elderly or disabled to carry out daily life such as excretion.

In summary, the liftable multifunctional walker of the present invention can keep the elderly or disabled people in good balance. The present invention is aimed at patients with lower extremity disorders such as the elderly, the disabled, non-central disorders of lower extremity weakness, poor extension of lower extremity spasticity, and asymmetrical walking of legs, such as adults and the elderly with musculoskeletal related diseases and post-trauma/infection Mentally handicapped children, patients with central nervous system disorders, and normal people who are too obese and cannot walk too much can provide good balance for safe rehabilitation training. At the same time, the multi-module detachable design enables it to be used in a variety of ways , with a wide range of applications, enabling patients to complete weight loss, upright, walking and other training.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvements and Modifications should also be considered within the protection scope of the present invention.

Claims (10)

1. A liftable multifunctional walking aid is characterized in that it comprises an underframe, upper and lower support arms, gas springs and crossbeams, and the underframe is fixedly provided with bearings, front and rear load wheels, support legs and The bottom horizontal frame, the lower support frame is rotatably arranged on the support, the upper support frame is rotatably arranged on the lower support frame and the crossbeam, and the gas spring is rotatably arranged on the bottom frame and the crossbeam respectively. Between the lower support frame and the lower support frame and the upper support frame, the upper support frame is provided with a trapezoidal handrail, and the described cross beam is fixedly provided with an armrest frame, a chest support plate bracket and a buttock fixing ring, and the described cross beam An electric push rod is fixedly arranged between the support and the support. 2. The liftable multifunctional walking aid according to claim 1, characterized in that, an anti-reversing loading wheel is arranged at the rear end of the bottom frame, and the wheel frame of the anti-reversing loading wheel is connected to the bottom There is a certain angle between the frames. The wheel frames are provided with sliding pins, which cooperate with the ring-shaped chute provided on the outer ring of the anti-upside down transfer wheel. The ring-shaped chute is provided with a plurality of reverse locking grooves. , the rear end of the underframe is fixedly provided with the support legs. 3. The liftable multifunctional walking aid according to claim 1, characterized in that, the lower part of the front end of the underframe is provided with lockable universal wheels, and the bottom horizontal frame is fixedly arranged at the front end of the underframe , two laser light guiding devices are fixedly arranged in the middle of the bottom horizontal frame. 4. The liftable multifunctional walking aid according to claim 1, characterized in that, the two ends of the underframe, the lower support frame and the upper support frame are respectively fixed with a certain length of solid plug, and the solid plug A protective cap is sleeved on the outside of the head, and the solid plug and the protective cap are respectively provided with circular through holes, and the protective cap is fixed on the solid plug by bolts. 5. The liftable multifunctional walking aid according to claim 1, wherein a three-way pipe is provided on the crossbeam, and the chest support, crossbeam and armrest frame are connected together through the three-way pipe And fixed by the screw. Hand-push grips, multi-angle grips or elbow grips, etc. can also be added to the armrest frame. 6. The liftable multifunctional walking aid according to claim 5, wherein the upper end of the three-way pipe is provided with a conical pipe thread, which is screwed together with the inner pipe thread of the tightener. 7. The liftable multifunctional walking aid according to claim 1, characterized in that, the two ends of the beam are provided with circular joints, the center of the circular joint is provided with a threaded through hole, and the outside is provided with an external screw thread, the circular joint is fixed on the beam through external threads, self-lubricating bearings are sleeved on the bolt shaft, the bolt shaft and the circular joint are fixed through internal threads, and the beam is provided with " T"-shaped connecting seat, the beam and the electric push rod are fixed through the "T"-shaped connecting seat. 8. The liftable multifunctional walking aid according to claim 1, characterized in that, a load-bearing seat is arranged in the middle of the beam, and the buttock fixing ring is arranged on the load-bearing seat, and the A buttock restraint belt is arranged on the hip fixation ring, and the hip restraint belt is fixed on the hip fixation ring by means of suspension. 9. The liftable multifunctional walking aid according to claim 1, wherein a support plate is provided at the upper end of the support plate of the chest, and four threaded holes arranged horizontally and vertically are provided on the support plate, The threaded holes in the vertical direction are inserted with two support rods with one end being a ball pair and the other end being a threaded support rod. A range limit bolt. 10. The liftable multifunctional walking aid according to claim 9, wherein pin holes are provided on the left and right side edges of the chest support plate, and pin heads are provided at the front end of the chest restraint belt, so that The rear end of the chest restraint belt is provided with an adhesive tape.