CN204971937U - Multi -functional disconnect -type helping hand wheelchair - Google Patents

Abstract

The utility model discloses a multifunctional detachable power-assisted wheelchair, which is characterized in that it comprises a frame body and a transfer frame detachably arranged from the frame body, and the frame body includes a vehicle frame, a The seat board, the traveling wheels arranged on both sides of the rear part of the vehicle frame, and the reversible or telescopic support legs arranged on both sides of the front part of the vehicle frame, wherein the front part of the seat board is formed with a gap, so The transfer frame described above comprises two uprights fixedly connected by crossbeams, a front wheel arranged at the bottom of the uprights, an arm arm arranged at the top of the uprights, two front rods respectively arranged at the front of the uprights, The rollers at the bottom, and the support plate fixedly arranged at the rear of the beam, when the transfer frame is assembled with the frame body, the support plate is inserted into the gap in a matching manner. The multifunctional detachable power-assisted wheelchair of the present utility model has a detachable detachable structure, so that the front half of the utility model can detach the frame body to carry out the function of independent movement and bearing.

Description

Multifunctional separate power-assisted wheelchair

technical field

The utility model relates to the technical field of medical care equipment, in particular to a multifunctional separated power-assisted wheelchair.

Background technique

The wheelchairs currently on the market for the elderly, the weak, the disabled or inpatients are generally made of a frame and a seat fixed on the frame. The front part of the bottom of the frame is provided with small rollers. Large wheels are arranged on the inside, and the small rollers are generally universal wheels, which are driven by manpower or electricity.

However, due to the inconvenient movement of the user's lower limbs, there is always an inevitable threshold for the user to switch between the wheelchair and the bed or the toilet, which requires support, which is prone to accidents and brings personal injury to the user or caregiver.

Utility model content

The purpose of the utility model is to provide a multi-functional separated power-assisted wheelchair which is convenient for transferring users in view of the technical defects existing in the prior art.

The technical scheme adopted for realizing the purpose of this utility model is:

A multifunctional detachable power-assisted wheelchair, comprising a frame body and a transfer frame detachably arranged from the frame body,

The frame body includes a frame, a seat plate arranged on the frame, running wheels arranged on both sides of the rear of the frame, and reversible or telescopic support legs arranged on both sides of the front of the frame. , wherein the front portion of the seat plate is formed with a notch,

The transfer frame includes two uprights fixedly connected by crossbeams, a front wheel arranged at the bottom of the uprights, an arm arm arranged at the top of the uprights, two front rods respectively arranged at the front of the uprights, arranged on the front The rollers at the bottom of the rod, and the support plate fixedly arranged at the rear of the beam, when the transfer frame is assembled with the frame body, the support plate is matchedly inserted into the gap.

The front rod is a telescopic rod, and a pedal is arranged on the inner side of the lower part of the front rod.

The upper end of the front rod is hinged with the vertical rod, and an angle adjustment mechanism is arranged between the front rod and the vertical rod.

The angle adjustment mechanism is a folding rod or a telescopic rod whose two ends are respectively hinged to the vertical rod and the front rod.

The front side of the vehicle frame is provided with a plurality of hoops, and the hoops lock and fix the upright bar with the vehicle frame.

The vehicle frame includes two rear uprights, a bottom vertical tube fixedly connected to the two rear uprights and an upper vertical tube supporting the positioning seat plate, and a front connecting rod connecting the bottom vertical tube and the upper vertical tube , the position corresponding to the bottom vertical tube and the upper vertical tube on the vertical rod is respectively provided with inserting rods, and the described inserting rods can be mated and locked and fixed with the ends of the bottom vertical tube and the upper vertical tube.

The transfer frame also includes a reinforcing link, and the reinforcing link is alternatively fixedly connected to the bottoms of the two uprights or the two arms.

It also includes two electric boosters respectively arranged on both sides of the frame. The electric booster includes a traveling motor and a battery fixedly arranged on the frame, and a swing plate arranged on the outside of the frame. The lower part of the pendulum plate is provided with a friction wheel that can be in frictional contact with the walking wheel. The friction wheel is connected to the travel motor through a belt, and a swing arm is arranged on the top of the pendulum plate. A locking mechanism is arranged between the frames.

It also includes a lower bottom rod fixedly arranged at the rear of the seat plate, and a back hinged with the lower bottom rod. The back pillow on the back board and the adjusting cross bar fixedly connected with the rear side of the back board, a back angle adjusting mechanism is arranged between the adjusting cross bar and the rear upright bar.

The back angle adjustment mechanism includes a locking plate which is fixedly arranged on the vertical bar and kept perpendicular to the adjusting cross bar, and there is a hole on the locking plate which allows the end of the adjusting bar to slide therein. In the arc-shaped slot, fixing caps are detachably arranged at both ends of the adjusting cross bar, and a plurality of openings corresponding to the fixing caps are arranged in the arc-shaped slot.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model has a detachable and detachable separation structure, so that the front half can be separated from the frame body to carry out independent mobile bearing function, and the support plate is used to carry the user, which can avoid the user's leg force and reduce the burden on the caregiver. , and the front wheels and rollers at the bottom of the transfer frame provide its convenient moving effect. At the same time, the user can hold the arm for auxiliary support, that is, the user can easily enter the toilet or transfer to the bedside with the assistance of the transfer frame. Then fall directly on the bed with your back on the bed, avoiding turning around during the movement.

Description of drawings

Fig. 1 shows the structural representation of the assembled state of the multifunctional separated power-assisted wheelchair of the present utility model;

Fig. 2 shows the disassembled structural schematic diagram of the utility model multi-functional separated power-assisted wheelchair;

Figure 3 is a side view from another angle shown in Figure 2;

Fig. 4 shows the structural representation of the walking aid mode of the transfer frame;

Fig. 5 is a partially enlarged schematic diagram shown in Fig. 4;

Figure 6 is a schematic diagram of the structure of the electric power booster;

Figure 7 is a schematic diagram of the back adjustment mechanism.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1-4, the multifunctional separated power-assisted wheelchair of the present invention includes a frame body 1 and a transfer frame 2 that can be separated from the frame body. The seat plate 12 on the frame, the walking wheels 13 arranged on both sides of the rear of the frame, and the reversible or telescopic support legs 14 arranged on both sides of the front of the frame, wherein the front of the seat plate There is a notch 15 formed in the part, and the walking wheel is similar to commercially available wheelchairs, including a large wheel in contact with the ground and a hand wheel arranged on one side for manual driving forward. Side armrests 16 are provided with a back 17 on the rear side, and the transfer frame 2 includes two uprights 22 fixedly connected by crossbeams 21, front wheels 23 arranged at the bottom of the uprights, and the length of the top of the uprights 22 can be Adjustable arm 24, two front poles 25 respectively arranged at the front of the pole, rollers 26 arranged at the bottom of the front pole, and a support plate 27 fixedly arranged at the rear of the beam, when the transfer frame is assembled with the frame body When integrated, the support plate 27 is matchedly inserted into the notch.

Specifically, in order to realize the fast disassembly and assembly of the frame body and the transfer frame, various existing connection structures can be used, such as a plurality of semicircular clips are arranged on the front side of the frame, and the clips Lock and fix the vertical rod or crossbeam with the vehicle frame, one end of the clamp is hinged with the vehicle frame and the other end is locked by a locking rod or a cam pressing rod, etc., preferably, the cross section of the vertical rod is Semi-circular, so that it can fit better with the semi-circular clamp and lock more firmly.

Preferably, the front rod 25 is a telescopic rod, and the inner side of the lower part of the front rod is provided with a reversible pedal 251. In order to realize the retractability of the front rod or the above-mentioned vertical rod, the matching holes of the inner and outer sleeves can be used The pin realizes multi-level adjustable length, and the length is adjustable, which can adapt to the height requirements of different users on the pedal 251. At the same time, the height is adjustable, which is convenient for adjusting the forward tilt angle of the transfer frame 2. The upper end of the front rod 25 Curved or right-angled bends may be included, which increase the distance between the front wheel and the rollers, creating a stable support.

Further, the upper end of the front rod 25 is hinged at the end of the connecting rod 28 fixedly connected vertically with the vertical rod or directly hinged with the vertical rod 22, and an angle is set between the front rod and the connecting rod or between the front rod and the vertical rod. Adjusting mechanism, described angle adjusting mechanism is that two ends are respectively hinged with vertical rod and front rod folding rod or telescopic rod 29, can adjust and keep the angle of front rod relative vertical rod by folding rod or telescopic rod. The folding rod and the telescopic rod can adopt the same existing style, such as three-stage, two-stage folding rod or any form such as a telescoping rod with a sleeve matching a pin hole and a pin rod, or one end is hinged and the other end is hinged. It is realized by the adjustment rod of the track slider type or the sleeve type sliding arrangement. Certainly, also can be provided with half disc on the vertical bar 22 of the hinge of front bar, a plurality of positioning holes are set on semicircle plate, utilize the pin bar that runs through front bar to be able to realize angle adjustment and location equally.

Specifically, the vehicle frame 11 includes two rear uprights 111 arranged at intervals, a push handle 114 arranged on the top of the rear uprights, a bottom vertical tube 112 and an upper vertical tube 113 fixedly connected to the two rear uprights respectively , the upper longitudinal tube is used to support the positioning seat plate, the walking wheel 13 is arranged on the rear vertical rod 111, and also includes the front connecting rod 115 connecting the bottom longitudinal tube and the upper longitudinal tube, and the interlaced bottom The vertical tube and the oblique rod 116 of the upper vertical tube, the vehicle frame adopts integral rod connection, simple structure, strong stability, and light weight. Wherein, the position corresponding to the vertical bar and the bottom vertical tube and the upper vertical tube is respectively provided with an insertion rod 221, and the described insertion rod 221 can be matchedly inserted into the ends of the bottom vertical tube 112 and the upper vertical tube 113 and Locked and fixed by locks and other mechanisms, in order to improve the stability of the plug-in connection, slots are respectively provided at the ends of the bottom vertical tube 112 and the upper vertical tube 113, and the locking of the insertion rod can be realized by using an external clamp.

In order to expand the effect of the transfer frame 2 so that it has the effect of assisting rehabilitation training, it also includes a reinforcing link 210, which can be fixedly connected to the bottom of the two vertical bars or the hand arm 24. The reinforced connecting rod can improve the connection stability of the two vertical rods. At the same time, the connection of the reinforced connecting rod adopts a quick-release connection structure. At the bottom to improve the overall connection effect, when the user is on the other side of the support plate 27, that is, when using the transfer frame as a walking aid, the reinforcing link 210 is disassembled from the bottom and installed between the hand-held arms on the top for use. The user can hold or hold the reinforcing link 210 to improve the safety of use. At the same time, the reinforcing link 210 at the bottom is removed to avoid interference during training. At the same time, the pole is a retractable structure at both ends, which can improve height adaptability during rehabilitation training. Preferably, the arm arm is hinged at the end of the pole and a locking mechanism is provided between the two, such as a circular plate and a hole pin cooperation mechanism. The angle of the arm arm can be easily adjusted by using the locking mechanism to adapt to the use under different conditions .

Simultaneously, in order to improve the control effect when the transfer rack moves, the front wheels are generally universal wheels for matching wheelchairs. As shown in Figure 5, a horizontal plate 231 is arranged at the bottom of the vertical bar, and the horizontal plate There is a lifting friction block 232 on the top, the friction block can be in contact with the front wheel, and can restrain the swing of the front wheel while providing friction force. The lifting of the friction block can use the screw nut 233 or the cam pressure Rod type or spring type etc.

In specific use, the vertical bar 22 and the horizontal bar 21 of the frame body 1 and the transfer frame 2 are locked together through a quick release structure. When locked together, the supporting legs 14 are in a lifted state and do not touch the ground. Interference, the front wheel 23 of the transfer frame 2 constitutes the front wheel of the wheelchair, the roller 26 of the front bar 25 is in a tilted state, the support plate 27 is inserted in the gap 15 of the seat plate, and the user can normally use the wheelchair in this state. When it is necessary to transfer, such as going to the toilet, etc., at this moment, the support leg 14 is first unscrewed and stretched out or swung to make it contact with the ground and bear the supporting force, and then the user is transferred to the front of the seat board 12 to make his buttocks sit on the support On the plate 27, unfold the elongated folding rod 29, the front rod 25 and the vertical rod 22, rotate the armrest 24, lower the friction block 232, and then release the locking connection between the frame body 1 and the transfer frame 2, and carry the user's The transfer frame 2 rotates forward with the front wheel 23 as the axis to make the roller 26 touch the ground. During the turning process, the user is separated from the seat board and transferred to the support plate 27 of the transfer frame. The support plate 27 carries the user's avoidable legs. The front wheel 23 and the roller 26 at the bottom of the transfer frame 2 provide its convenient moving effect, and the user can hold the arm for auxiliary support, that is, the user can use the transfer frame with the assistance of It can easily enter the toilet or be transferred to the bedside, and then fall directly on the bed with the back against the bed, avoiding turning around during the movement. At the same time, the transfer frame can be used as a rehabilitation frame after being disassembled, which effectively expands the functions of the wheelchair and reduces family expenses.

At the same time, in order to improve the user experience, especially to provide assistance when going uphill, the wheelchair of the present invention also includes two electric power boosters 3 respectively arranged on both sides of the frame body, as shown in Figure 6, the electric power booster Comprising a travel motor (not shown) and a lithium-ion battery 31 fixedly arranged on the frame body, the travel motor is swingably arranged on the outside of the frame body, such as the travel motor is fixedly arranged on a swing plate hinged with the swing arm 34 32. A friction wheel 33 that can be in frictional contact with the traveling wheel, that is, the large wheel of the traveling wheel, is provided at the lower part of the pendulum plate. The friction wheel is connected to the traveling motor through a belt, such as a toothed belt. A swing arm 34 is integrally provided on the top of the swing plate for manual operation, and a locking mechanism is provided between the swing arm and the frame body.

Usually, the user manually drives the wheelchair, which can exercise the user's arm. When electric power assistance is needed, the swing plate makes the friction wheel contact with the walking wheel and locks it in this state with the locking mechanism, so that the walking motor can be driven by the friction wheel 33. The traveling wheels are driven by electric power assist. Preferably, the battery 31 is fixedly arranged on the connecting rod 115 of the wheelchair frame, which is easy to disassemble. At the same time, it adopts an external structure, which has low manufacturing cost and simple operation. The switching state must be switched manually, which has high safety in use and is Manual wheelchairs provide electric power assistance, which improves their use experience.

Specifically, the locking mechanism includes a tension spring 35 arranged between the swing arm 34 and the frame body, a telescopic pin rod 36 arranged on the frame body, and a pin hole matchingly arranged on the swing arm , when the pin rod is inserted into the pin hole, it can be ensured that the friction wheel is in friction contact with the road wheel and the state is locked. Preferably, the pin rod is provided with a tension spring to maintain its position relative to the frame body, and the adjacent surface of the pin rod and the swing arm is an inclined plane so as to force the pin rod to retreat and be inserted into the pin hole .

At the same time, in order to facilitate the adjustment of the back 17 of the wheelchair, a lower bottom rod 170 is fixedly arranged at the rear of the seat plate, and the described back 17 includes an arc rotatably connected to the lower bottom rod through a bottom sleeve. Shaped back board 171, the back pillow 172 that is arranged on the back board and the adjustment cross bar 174 that is fixedly connected with the back board, the described adjustment cross bar and the rear upright bar 111 are provided with the back angle adjustment mechanism, so The back angle adjustment mechanism includes an arc-shaped plate provided with a plurality of pin holes and an adjustment pin matched with the pin holes. The adjustment pin and the arc-shaped plate are respectively arranged on the adjustment cross bar and the rear vertical bar. Wherein, the adjusting pin is sheathed with a tension spring to keep it in a connected state. Through the cooperation of the pin hole of the curved plate and the adjustment pin, the back can be limited to multiple angles, so that the user can adapt to various conditions, such as eating, going out, taking a nap, etc., and improve the comfort of use.

Preferably, as shown in FIG. 7 , the back angle adjustment mechanism includes a locking plate 1110 fixedly arranged on the vertical bar and kept perpendicular to the adjusting cross bar. The arc-shaped slot 1111 in which the end of the adjustment rod slides, the two ends of the adjustment cross bar are respectively provided with detachable fixing caps 1840, and the arc-shaped slot is provided with a plurality of The opening 1112 corresponding to the fixed cap 1840, that is, when the fixed cap 1840 is sleeved on the end of the adjustment bar and the fixed cap is embedded in the opening 1112, the position locking of the back is realized. When adjustment is required, the When the fixed cap is separated from the adjustable cross bar, the adjustable cross bar can slide freely in the arc-shaped slot, and the back can be adjusted to a suitable angle, and then the fixed cap 1840 is set on the end of the adjustable cross bar and The position can be locked by embedding it in the corresponding opening, and the adjustment process is simple, stable and reliable. Preferably, a spring 1841 is also provided between the fixed cap and the end of the adjustment cross bar, which can effectively prevent the fixed cap from falling off accidentally, and at the same time make the adjustment process smoother. At the same time, it is further preferred that a guide rod 1842 is coaxially provided at the end of the adjusting cross bar, and a guide hole corresponding to the guide rod is provided on the fixed cap to further constrain the movement of the fixed cap. At the same time, a handle 1843 is provided outside the fixed cap for manual pulling.

Preferably, the headrest 185 is ring-shaped, the top of the backboard is provided with a fixing ring, and the bottom edge of the headrest passes through the fixing ring. The bottom edge of the headrest is closely matched with the fixing ring, and the angle of the headrest can be adjusted when a large force is used, which greatly meets the various needs of users.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these Improvement and retouching should also be regarded as the protection scope of the present utility model.

Claims (10)

1. a multifunctional discrete power assisted wheelchair, is characterized in that, comprises support body and the transfer frame with the separable setting of described support body,

Described support body comprises vehicle frame, the seat board be arranged on vehicle frame, be arranged on the road wheel of both sides, vehicle frame rear portion, and is arranged on the reversible of vehicle frame front part sides or the supporting leg of extension type, and the front portion of wherein said seat board is formed with breach,

Described transfer frame comprises two vertical rods be fixedly connected with by crossbeam, be arranged on the front-wheel of bottom of upright rod, be arranged on the handrail arm at vertical rod top, two front bars being separately positioned on vertical rod front portion, be arranged on the roller bottom front bar, and be fixedly installed on the gripper shoe at crossbeam rear portion, when described transfer frame and support body assemble one, described gripper shoe is inserted in described breach matchingly.

2. multifunctional discrete power assisted wheelchair as claimed in claim 1, it is characterized in that, described front bar is telescopic rod, and described front bar lower inside is provided with pedal.

3. multifunctional discrete power assisted wheelchair as claimed in claim 1, is characterized in that, described front bar upper end and vertical rod hinged, be provided with angle adjusting mechanism between described front bar and vertical rod.

4. multifunctional discrete power assisted wheelchair as claimed in claim 3, is characterized in that, described angle adjusting mechanism be two ends respectively with vertical rod and the hinged folding rod of front bar or expansion link.

5. multifunctional discrete power assisted wheelchair as claimed in claim 1, is characterized in that, be provided with multiple clip on front side of described vehicle frame, and described clip is fixed sealed to vertical rod and described vehicle frame.

6. multifunctional discrete power assisted wheelchair as claimed in claim 1, it is characterized in that, vertical rod after described vehicle frame comprises two, the end longitudinal tubule (L tubule) be fixedly connected with vertical rod after two respectively and the upper longitudinal tubule (L tubule) of supporting and location seat board, end longitudinal tubule (L tubule) described in connection and the front rod of upper longitudinal tubule (L tubule), described vertical rod is respectively arranged with inserted link with end longitudinal tubule (L tubule) and upper longitudinal tubule (L tubule) corresponding position, and described inserted link can be sealed fixing with the end of described end longitudinal tubule (L tubule) and upper longitudinal tubule (L tubule) matchingly.

7. multifunctional discrete power assisted wheelchair as claimed in claim 1, it is characterized in that, described transfer frame also comprises enhancing connecting rod, and described enhancing connecting rod can alternatively be fixedly connected with two bottom of upright rods or two handrail arms.

8. multifunctional discrete power assisted wheelchair as claimed in claim 1, it is characterized in that, also comprise two electric boosters being separately positioned on support body both sides, described electric booster comprises and is fixedly installed on movable motor on support body and battery, be arranged on the pendulum plate outside support body swingably, be provided with in described pendulum plate bottom can with the friction pulley of described road wheel CONTACT WITH FRICTION, described friction pulley is in transmission connection by belt and movable motor, described pendulum plate top is provided with swing arm, between described swing arm and support body, is provided with locking mechanism.

9. multifunctional discrete power assisted wheelchair as claimed in claim 1, it is characterized in that, also comprise the lower bottom bar being fixedly installed on seat board rear portion, and the back hinged with described lower bottom bar, described back comprises the arc postnotum be rotatably connected with described lower bottom bar, be arranged on back pillow on postnotum and with the adjustment cross bar be fixedly connected with on rear side of postnotum, be provided with back angle adjusting mechanism between described adjustment cross bar and rear vertical rod.

10. multifunctional discrete power assisted wheelchair as claimed in claim 9, it is characterized in that, described back angle adjusting mechanism comprises and is fixedly installed in vertical rod and keeps vertical lockplate with described adjustment cross bar, described lockplate offers the arc-shaped groove that described adjusting rod end can be allowed to slide wherein, detachably be provided with locking cap at the two ends of described adjustment cross bar, described arc-shaped groove is provided with opening corresponding to multiple with described locking cap.