CN109984892A - Tip-up seat in multifunctional room - Google Patents

Abstract

The invention discloses a multifunctional indoor movable chair, which is characterized in that it comprises a bottom frame, a carrier wheel arranged on the bottom frame, an anti-return mechanism fixedly arranged on the bottom frame, and rotatably arranged on the bottom frame. The seat lifting mechanism on the bottom frame is rotatably arranged on the seat plate on the seat lifting mechanism, and the back plate is arranged on the seat plate with adjustable height and angle, and the height and angle can be adjusted. The headrest is arranged on the backboard in an adjustable angle, and the footrest is arranged on the seat plate with an adjustable height and detachable, and rotatable armrests are arranged on both sides of the seat plate. The multifunctional indoor activity chair of the present invention has a simple structure, can provide good assistance for different groups of people such as the elderly and those with lower extremity dysfunction, can achieve comfortable lifting, facilitate the completion of life activities and perform rehabilitation and walking training, and improve the quality of life. Improve leg muscle strength and promote recovery.

Description

Multifunctional indoor activity chair

technical field

The invention relates to the technical field of auxiliary appliances, in particular to a multifunctional indoor activity chair.

Background technique

As of the end of 2017, my country's elderly population aged 60 and above reached 240 million, accounting for 17.3% of the country's total population. China has entered an aging society. At the same time, with the influence of population aging, the number of people with paralysis of lower limbs caused by cardiovascular and cerebrovascular diseases and spinal injuries has further increased. Patients with paralysis of the lower limbs have difficulty in activities of daily living, such as taking objects from high places and communicating with others in a decent manner, which increases the workload and accompanying time of caregivers. In addition, for patients with paralyzed lower limbs, it is also very important to carry out effective rehabilitation and walking training to improve their walking ability to improve their quality of life and self-care ability.

At present, in the domestic market, indoor activity aids and rehabilitation and mobility training products for paralyzed patients have single functions, insufficient adjustability, and limited scope of application, making it difficult to meet the comprehensive needs of paralyzed patients for daily living and rehabilitation and mobility training. Therefore, it is very important to develop a multifunctional, well-adjustable, widely applicable, safe and comfortable indoor activity chair that can not only allow paralyzed patients to carry out daily activities conveniently, but also enable them to perform lower limb rehabilitation training.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multifunctional indoor activity chair that can realize the comfortable lifting and lowering of the elderly and those with lower extremity functional disabilities, facilitate the fulfillment of life activity needs and perform rehabilitation and walking training, aiming at the technical defects existing in the prior art.

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

A multifunctional indoor movable chair is characterized in that it comprises a bottom frame, a carrier wheel arranged on the bottom frame, and an anti-return mechanism fixedly arranged on the bottom frame, and is rotatably arranged on the bottom frame The seat lift mechanism on the seat lift mechanism, the seat plate rotatably arranged on the seat lift mechanism, the back plate arranged on the seat plate with adjustable height and adjustable angle, the height adjustable and adjustable angle The headrest provided on the back panel is adjustable in height and the footrest is detachably provided on the seat panel, and rotatable armrests are provided on both sides of the seat panel.

The bottom frame is a "U"-shaped forward opening structure, including left and right support legs, the support legs are fixedly connected by the upper and lower cross bars, and the support legs include a plurality of positioning holes. The first sleeve is fixedly connected with the first telescopic rod of the first spring top cap, the first sleeve is slidably sleeved on the first telescopic rod, and the front end of the first telescopic rod Connect the load wheel.

The lower crossbar of the bottom frame is provided with an anti-return mechanism, and the anti-return mechanism includes front and rear connectors that are fixedly connected to the lower crossbar of the bottom frame by screws, and the angle of the balance bar can be adjusted. , an angle adjusting piece connected with the rear connecting piece through a bolt shaft, a balance rod rotatably inserted on the angle adjusting piece, and a roller connected with the balance rod through the bolt shaft.

The seat lifting mechanism includes a bottom support frame vertically fixed on the bottom frame, and four two-by-two parallel connecting rods rotatably arranged on the bottom support frame, rotatably arranged on the bottom support frame. The seat plate support frame at the other end of the four parallel connecting rods is the first electric push rod rotatably arranged between the bottom support frame and the seat plate support frame. The bottom support frame, the four two-by-two parallel connecting rods and the seat plate support frame form two sets of parallelogram mechanisms.

A second electric push rod is rotatably arranged on the seat plate and the seat plate support frame.

A backboard height adjustment mechanism is arranged between the seat board and the backboard, and the backboard height adjustment mechanism includes a second telescopic rod rotatably connected with the backboard, slidably sleeved on the second telescopic rod and A sleeve rod rotatably connected with the seat plate and an eccentric pressure buckle rotatably connected to the sleeve rod, the second telescopic rod is provided with a first threaded positioning hole.

An angle fine adjustment mechanism is arranged between the back plate height adjustment mechanism and the back plate, and the angle fine adjustment mechanism includes an angle adjustment block fixed on the back plate and provided with a plurality of positioning holes, and the angle adjustment block is connected with the angle adjustment block. The positioning hole of the second telescopic rod and the first threaded positioning hole on the second telescopic rod are fixedly connected to the first locking screw and the second telescopic rod that is rotatably connected to the angle adjustment block through the bolt shaft, and the third electric push rod is rotatably arranged Between the sleeve rod and the seat plate, a push armrest is fixedly arranged on the back plate.

A headrest height adjustment mechanism is arranged between the headrest and the back plate, the headrest height adjustment mechanism comprises a collar fixed on the back plate, and the collar is provided with a second threaded positioning hole, A third telescopic rod slidably connected with the collar and provided with a plurality of threaded holes and a second locking screw used in cooperation with the second threaded positioning holes, the third telescopic rod and the pillow plate A rotatable ball joint is provided.

A foot pedal height adjustment mechanism is arranged between the foot pedal and the seat plate. The telescopic rod is provided with a plurality of positioning holes and is slidably connected with the fourth telescopic rod.

The seat plate is rotatably provided with two armrest frames, the rear end of the armrest frame is provided with a connecting rod, one end of the connecting rod is rotatably connected to the armrest, and one end is fixedly connected to the seat plate The front end of the armrest frame is provided with a fourth electric push rod, and both ends of the fourth electric push rod are rotatably arranged on the armrest and the seat plate.

Compared with the prior art, the beneficial effects of the present invention are:

The multifunctional indoor activity chair of the invention has the advantages of simple structure, coordinated movement and convenient operation, can provide good assistance for different groups of people such as the elderly and people with lower extremity dysfunction, and can realize comfortable lifting, convenient completion of life activities and rehabilitation and walking assistance. Training, improve the quality of life, reduce the work intensity of medical staff, improve the level of leg muscle strength, and promote rehabilitation, under the control of electric push rods, you can comfortably lift and adjust the inclination of the seat, the telescopic mechanism of the bottom frame and the anti-rollover The mechanism improves the safety factor, and the adjustment of the angle of the backboard increases the comfort. In addition, for people of different heights, the present invention can realize height adjustment of the footboard, the backboard and the headrest.

Description of drawings

Fig. 1 shows the front side view of the highest sitting position of the multifunctional indoor movable chair of the present invention;

Fig. 2 shows the front side view of the lowest sitting position of the multifunctional indoor movable chair of the present invention;

Fig. 3 shows the rear side view of the multifunctional indoor movable chair of the present invention in the rising state;

Fig. 4 shows the rear side view of the multifunctional indoor movable chair of the present invention in a state of walking assistance;

Fig. 5 is the front side view of the intermediate transition state between the sitting posture state and the walking assistance state of the multifunctional indoor movable chair of the present invention;

Figure 6 shows a schematic structural diagram of the anti-return mechanism;

Figure 7 shows a schematic diagram of the structure of the backplane;

Figure 8 is a schematic structural diagram of a foot pedal;

FIG. 9 is a schematic view of the structure of the armrest frame.

Detailed ways

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

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the multifunctional indoor movable chair of the present invention can be moved, raised and lowered to realize a sitting posture state and a walking assistance state, and includes a bottom frame 1, and a bottom frame is provided on the bottom frame. The carrier wheel 2, the anti-return mechanism 3 fixedly arranged on the bottom frame, the seat lift mechanism 4 rotatably arranged on the bottom frame, the seat lift mechanism rotatably arranged on the seat lift mechanism Plate 52, back plate 61 arranged on the seat plate with adjustable height and adjustable angle, headrest 7 arranged on the back plate with adjustable height and adjustable angle, adjustable in height and detachable A footrest 8 is arranged on the seat plate, and rotatable armrests 9 are arranged on both sides of the seat plate.

In the sitting position, in order to facilitate the patient to complete daily activities, the multifunctional indoor activity chair of the present invention can be lifted and lowered freely and adjusted to a suitable height. As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , a seat lifting mechanism 4 is rotatably disposed on the bottom frame, and the seat lifting mechanism 4 includes a bottom vertically fixed on the bottom frame 1 . The support frame 41, the four parallel connecting rods 42 rotatably arranged on the bottom support frame, the seat plate rotatably arranged on the other end of the four parallel connecting rods The support frame 51, the bottom support frame 41, the four connecting rods 42 in parallel with each other and the seat support frame 51 constitute a parallelogram mechanism, and the lift of the seat is set in the described The extension and retraction of the first electric push rod 43 between the bottom support frame 41 and the seat plate support frame 51 is realized. Figure 2 shows the lowest seat state, Figure 3 shows the seat up state, and Figure 1 shows the seat highest state.

In order to improve the scope of application and satisfy people of different heights, the multifunctional indoor movable chair of the present invention can adjust the height of the back panel. As shown in Figure 1, Figure 2, Figure 3, Figure 4 and Figure 7, a back plate height adjustment mechanism is provided between the seat plate 52 and the back plate 61, and the back plate height adjustment mechanism includes a The second telescopic rod 631 rotatably connected, the sleeve rod 632 slidably sleeved on the second telescopic rod, and the eccentric pressure buckle 633 rotatably connected to the sleeve rod, when the pressure buckle is in a relaxed state , the second telescopic rod and the sleeve rod can move up and down, when the pressure buckle is in the fastened state, the second telescopic rod and the sleeve rod are locked and cannot move relative to each other. At the same time, in order to improve the patient's experience and increase the user experience, the inclination of the backboard can be fine-tuned. An angle fine-tuning mechanism is arranged between the backboard height adjustment mechanism and the backboard, and the angle fine-tuning mechanism includes a backboard fixed on the backboard. The angle adjustment block 641 provided with a plurality of positioning holes, the first locking screw 642 fixedly connected with the positioning holes on the angle adjustment block and the first threaded positioning hole on the second telescopic rod 631, and the The angle adjustment block is connected to the second telescopic rod 631 rotatably through the bolt shaft. The user adjusts the angle of the back plate by rotating the second telescopic rod 631 to the corresponding multiple positions of the angle adjustment block 641, and locks it with the first locking screw 642. The back plate 62 is fixedly provided with a push armrest 65, and the medical staff can hold the push armrest 65 to move the multifunctional indoor movable chair.

Similarly, in order to improve the scope of application and satisfy people of different heights, the multifunctional indoor movable chair of the present invention can adjust the height of the headrest. As shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, the headrest 7 A headrest height adjustment mechanism is provided between the back plate 61 and the headrest height adjustment mechanism. The headrest height adjustment mechanism includes a collar 74 fixed on the back plate. The third telescopic rod 73 is slidably connected with the collar and is provided with a plurality of threaded holes and the second locking screw 75 used in conjunction with the second threaded positioning hole. The user moves the third telescopic rod 73 and the collar up and down Adjust the height of the headrest at the corresponding position of 74 and lock it with the second locking screw 75. A rotatable spherical hinge 72 is provided between the third telescopic rod 73 and the pillow plate 71, which can be realized under the action of the spherical hinge. The pillow plate is rotated at a certain angle, and the user can adjust to the comfortable position of the head.

In order to switch the multifunctional indoor movable chair between the sitting posture state and the walking assistance state, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the seat support frame 51 is rotatably arranged on the seat 52, the seat plate and the seat plate support frame are rotatably provided with a second electric push rod 53, through the expansion and contraction of the second electric push rod 53, the change of the inclination of the seat plate or the realization of the seat plate in the sitting position is realized. Flip switch between chair state and walker state.

Similarly, in order to switch the multifunctional indoor movable chair between the sitting posture state and the walking assist state, the third electric push rod 62 is rotatably arranged between the sleeve rod 632 and the seat plate 52, The telescoping of the electric push rod realizes the change of the inclination of the backboard or the flipping and switching of the backboard relative to the position of the backboard in the seated state and the walk-assist state. Fig. 5 is the intermediate transition state between the sitting posture state and the walking assistance state, and Fig. 4 is the walking assistance state.

Preferably, in order to improve the technicality and functionality and meet the needs of upright walking rehabilitation, the armrest frame 9 can support the human body. Specifically, as shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Figure 9, the seat plate 52 is rotatably provided with two armrest frames 9, the rear end of the armrest frame is provided with a connecting rod 93, and one end of the connecting rod is rotatably connected to the armrest 91 , the other end is fixedly connected to the seat plate, the front end of the armrest frame is provided with a fourth electric push rod 94 , and both ends of the fourth electric push rod are rotatably arranged on the armrest 91 and the seat plate 52 . Figure 1, Figure 2 and Figure 3 show the seated state, the fourth electric push rod 94 is in a retracted state, and the armrest plays the role of supporting the arm. The arm is placed on the armrest to support the weight of the body. It can be used for rehabilitation and walking training, and the muscle strength level of the legs can be improved by walking to promote rehabilitation. In addition, when performing upright walking rehabilitation training, a chest strap can be set on the back panel. To further ensure the safety of patients.

In order to improve the patient's use experience, as shown in Figure 1, Figure 2, Figure 3 and Figure 8, a foot pedal height adjustment mechanism is provided between the foot pedal 2 and the seat plate 52, and the foot pedal The height adjustment mechanism includes a fourth telescopic rod 813 detachably connected to the seat plate, a second spring top cap 821 disposed on the fourth telescopic rod, a plurality of positioning holes and slidably sleeved on the fourth telescopic rod. The second sleeve 82 on the fourth telescopic rod and the pedal 83 fixedly connected with the second sleeve, when the height of the pedal needs to be adjusted, press the second spring top cap 821 and slide the fourth telescopic rod 813 , adjust the relative position of the fourth telescopic rod 813 and the second sleeve 82, when the second spring top cap 821 on the fourth telescopic rod protrudes from the positioning hole on the second sleeve 82, the locking can be achieved, the said The height adjustment mechanism of the foot pedal is detachably connected to the seat plate, and is connected to the collar 811 fixed on the seat plate through the fourth telescopic rod 813, and is screwed and locked by the lock buckle 812. In the chair state, the foot pedal 2 is installed to support the user's feet. When the multifunctional indoor movable chair is in the walking assist state, the foot pedal 2 is removed to prevent interference.

Further, in order to ensure that there is enough space for placing the footboard 8, the bottom frame 1 has a "U"-shaped forward opening structure, and the left and right support legs are fixedly connected by the upper and lower cross bars 11 . In order to be more safe and stable, the support legs can be telescopically adjusted. As shown in FIG. 3 , the first telescopic rod 121 is connected to the front wheel, and the first spring top cap 122 is connected to the first telescopic rod. Press the first telescopic rod 121 A spring top cap, which can be extended and retracted by moving the first telescopic rod back and forth from the first sleeve 123 provided with a plurality of positioning holes. Fixing is achieved when protruding.

Further, in order to improve the safety factor of the multi-functional indoor movable chair and prevent the multi-functional indoor movable chair from turning over due to the unstable center of gravity when the multi-functional indoor movable chair is in the ascending or walking state, the lower cross bar 11 of the bottom frame 1 is provided with an anti-backward-turning device. Mechanism 3, as shown in Figure 3, Figure 4 and Figure 6, the front and rear connectors 31 and 32 are connected to the lower crossbar by screws, and the rear connector and the angle adjuster 33 are connected by a bolt shaft, and the spring top on the angle adjuster is connected. The cap is correspondingly adjusted to the plurality of positioning holes provided on the rear connector, which can indirectly adjust the height of the balance bar 34 and find the best safe position. The balance bar 34 is provided with a roller 35, and the balance bar 34 rotates with the angle adjustment member 33 90° rotation and folding can be achieved by socket connection. Figure 2 shows the non-working state of the anti-backover mechanism, and Figures 1, 3, 4 and 5 show the working state of the anti-backover mechanism.

To sum up, the multifunctional indoor activity chair of the present invention has the advantages of simple structure, coordinated movement and convenient operation, can provide good assistance for different groups of people such as the elderly and those with lower extremity dysfunction, can achieve comfortable lifting and lowering, and facilitate the completion of life activities. And carry out rehabilitation and walking training, improve the quality of life, reduce the work intensity of medical staff, improve the level of leg muscle strength, and promote rehabilitation. Under the control of electric push rods, the inclination of the seat can be lifted and adjusted comfortably, and the telescoping of the bottom frame The mechanism and the anti-overturning mechanism improve the safety factor, and the adjustment of the angle of the back panel increases the comfort. In addition, for people of different heights, the present invention can realize the height adjustment of the footrest, the back panel and the headrest.

The above are only the preferred embodiments of the present invention. It should be noted that, for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. tip-up seat in a kind of multifunctional room, which is characterized in that including bottom frame, the load wheel on the bottom frame is arranged in, fixation is set The anti-rear turning mechanism on the bottom frame is set, the seat riser being rotatably arranged on the bottom frame is rotationally set The seat plate on the seat riser is set, adjustable height, the backboard being arranged in adjustable-angle on the seat plate can The headrest for adjusting height, being arranged in adjustable-angle on the backboard, adjustable height are removably disposed in the seat plate On foot pedal, the seat plate two sides are provided with rotatable arm-rest frame.

2. tip-up seat in multifunctional room as described in claim 1, which is characterized in that the bottom frame is U-typed to open front Structure, including left and right two supporting legs, the supporting leg are fixedly connected by upper and lower two cross bars, the supporting leg packet The first sleeve for being provided with multiple location holes is included, the first telescopic rod of the first spring top cap, the first set are fixedly connected with Pipe is slideably socketed on first telescopic rod, and the first telescopic rod front end is connected with load wheel.

3. tip-up seat in the multifunctional room as described in claim 1 or claim 2, which is characterized in that the lower cross of the bottom frame Anti- rear turning mechanism is provided on bar, the anti-rear turning mechanism includes being fixedly connected by screw with the sheer pole of the bottom frame Forward and backward connector, adjustable and balancing bar angle, the angle adjusting piece that is connect by bolt axle with rear connectors, rotationally The balancing pole being plugged on angle adjusting piece and the idler wheel for passing through bolt axis connection with the balancing pole.

4. tip-up seat in multifunctional room as described in claim 1, which is characterized in that the seat riser includes vertical The bottom support frame being fixed on the bottom frame, four be rotatably arranged on the bottom support frame are two parallel Connecting rod is rotatably arranged in the seat plate support frame of four two parallel connecting rod other ends, rotationally sets Set the first electric pushrod between the bottom support frame and the seat plate support frame, the bottom support frame and institute The four two parallel connecting rods and the seat plate supporting framework stated are at two groups of parallelogram mechanisms.

5. such as tip-up seat in claim 1 or multifunctional room as claimed in claim 4, which is characterized in that the seat plate and institute The second electric pushrod is can be rotatably set on the seat plate support frame stated.

6. tip-up seat in multifunctional room as described in claim 1, which is characterized in that be provided between the seat plate and backboard Backboard height adjustment mechanism, the backboard height adjustment mechanism include the second telescopic rod with backboard rotation connection, slidably Ground be socketed on the second telescopic rod and with the loop bar of seat plate rotation connection and be rotatably connected to inclined on the loop bar Heart pressure buckle is provided with the first threaded locating hole on second telescopic rod.

7. such as tip-up seat in claim 1 or multifunctional room as claimed in claim 6, which is characterized in that the backboard height Angle fine-adjustment mechanism is provided between regulating mechanism and backboard, the angle fine-adjustment mechanism includes being fixed on backboard and being arranged There is the angle modulation block of multiple location holes, it is solid with the first threaded locating hole on the location hole and the second telescopic rod on the angle modulation block Surely the first lock screw connected and the second telescopic rod being rotatablely connected with the angle modulation block by bolt axle, third is electronic to be pushed away Bar is rotatably arranged between the loop bar and the seat plate, and promotion handrail is fixedly installed on the backboard.

8. tip-up seat in multifunctional room as described in claim 1 is provided with height of headrest tune between the headrest and backboard Mechanism is saved, the height of headrest regulating mechanism includes the lantern ring being fixed on backboard, and the second spiral shell is provided on the lantern ring Line location hole, be slidably connected with the lantern ring and be provided with multiple threaded holes third telescopic rod and with second spiral shell The second lock screw that line location hole is used cooperatively, is provided with rotatable flexural pivot between the third telescopic rod and board for pillow.

9. tip-up seat in multifunctional room as described in claim 1, which is characterized in that be arranged between the foot pedal and seat plate There is foot pedal height adjustment mechanism, the foot pedal height adjustment mechanism includes being detachably connected on seat plate and fixing set It is equipped with the 4th telescopic rod of second spring top cap, for being provided with multiple location holes and being slidably connected with the 4th telescopic rod Two casings.

10. tip-up seat in multifunctional room as described in claim 1, which is characterized in that can be rotatably set on the seat plate There are two arm-rest frame, the arm-rest frame rear end is provided with a connecting rod, and described connecting rod one end is rotatably connected to handrail On, one end is fixedly connected on seat plate, and the arm-rest frame front end is provided with the 4th electric pushrod, the 4th electric pushrod Both ends are rotatably arranged on handrail and seat plate.