CN218484796U - Auxiliary toilet and transfer device - Google Patents

Abstract

The auxiliary toilet and transfer device of the utility model includes a bottom frame, an anti-rollover mechanism, a lifting mechanism, a pedal, a sitting-standing conversion mechanism, a self-locking handle, a seat, a chair back, a chair back sliding mechanism, a lifting armrest, Locks and universal wheels, four universal wheels are fixedly arranged at the bottom of the underframe, anti-rollover mechanisms are fixedly arranged on both sides of the underframe, and the lifting mechanism is fixedly arranged on the On the bottom frame, the middle part of the bottom frame is fixedly provided with a pedal, the bottom of the pedal is fixedly provided with a universal wheel, and the described sit-stand conversion mechanism is rotatably provided on the bottom on the frame, the self-locking handle is rotatably set on the lifting frame, the seat is detachably set on the back sliding mechanism, and the seat back sliding mechanism is fixedly set on the Inside the armrest, the lifting armrest is fixedly arranged on the lifting frame, and the lock catch is fixedly arranged on the lifting armrest.

Description

Assisted toileting and transfer devices

technical field

The utility model relates to the technical field of rehabilitation aids, in particular to an auxiliary toilet and transfer device.

Background technique

Ordinary wheelchairs on the market are an important tool for rehabilitation assistance. It is an important rehabilitation aid that enables the elderly, weak, sick and disabled to move independently in daily life. It is not only a means of transportation for people with lower limb dysfunction, but also enables them to Carry out certain physical fitness exercises, and can improve their ability to take care of themselves in daily life.

However, ordinary wheelchairs on the market are usually composed of four parts: seat, wheelchair frame, wheels and brake device, and its use function is relatively single, so it is difficult to meet the needs of people with lower limb dysfunction for sitting-standing conversion training and toileting. On the one hand, for people with lower limb dysfunction, mainly including elderly people and people with leg disabilities, ordinary wheelchairs cannot realize the function of sitting and standing conversion and toilet function; on the other hand, for people with lower limb dysfunction, they can get Effective lower limb functional exercise is very necessary, which is conducive to the rehabilitation of their lower limb functions. Therefore, ordinary wheelchairs cannot meet these functional requirements, and need the support of the caregiver to realize these movements, which increases the physical burden on the caregiver.

Contents of the invention

The purpose of the utility model is to provide a transfer device that can assist the elderly and those with lower limbs and legs to go to the toilet, aiming at the technical shortcomings of common rehabilitation appliances on the market.

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

The auxiliary toilet and transfer device is characterized in that the bottom frame, anti-rollover mechanism, lifting mechanism, pedals, sitting-standing conversion mechanism, self-locking handle, seat, chair back sliding mechanism, lifting armrest, lock and universal The bottom of the underframe is fixedly provided with four universal wheels, the sides of the underframe are fixedly equipped with anti-rollover mechanisms, and the lifting mechanism is fixedly arranged on the underframe. The middle part of the underframe is fixedly provided with a footboard, the bottom of the footboard is fixedly provided with a universal wheel, and the described sit-stand conversion mechanism is rotatably arranged on the described underframe, so The self-locking handle is rotatably set on the lifting mechanism, the seat is detachably set on the back sliding mechanism, and the back sliding mechanism is fixedly set on the inside of the armrest. The lifting armrest is fixedly arranged on the lifting mechanism, and the lock catch is fixedly arranged on the lifting armrest.

Moreover, the anti-rollover mechanism includes an S-shaped rod, a roller and a roller positioning nut, the roller is rotatably arranged on the S-shaped rod, and the roller positioning nut is fixedly arranged on the Outer end of the S-shaped rod.

Moreover, the bottom frame includes a vertical beam, a first cross beam, and a second cross beam, and the two ends of the cross beam are respectively fixed with the first vertical beam and the second vertical beam.

Moreover, the lifting mechanism includes an electric push rod 1, an electric push rod 2 and a lift frame, the lower parts of the push rod 1 and push rod 2 are fixedly arranged on the bottom frame, and the lift frame can slide set on the chassis.

Moreover, the sitting-to-standing conversion mechanism includes an electric push rod 3, a lifting beam, a set screw, and a chest support, and the lifting beam is rotatably arranged on the lifting mechanism, and the electric push rod 3. The lower part is rotatably arranged between the underframe and the lifting beam, and the chest bracket is rotatably arranged on the lifting beam.

Moreover, the self-locking handle includes a ratchet handle, a ratchet handle, and a movable plate. The ratchet is rotatably arranged on the lifting mechanism, and the ratchet handle is rotatably arranged on the lifting mechanism. Above, the movable disk is rotatably arranged on the ratchet handle.

Moreover, the chair back sliding mechanism includes a linear slide rail, a self-locking three-wheel slider, a base, and a chair back, and the linear slide rail is fixedly arranged inside the armrest, and the self-locking three-wheel The slider is slidably arranged on the linear slide rail, the base is fixedly arranged on the self-locking three-wheel slider, and the chair back is movably arranged on the base superior.

Moreover, the above-mentioned auxiliary toilet and transfer device is characterized in that the lifting handrail includes the main body of the handrail, the first connecting rod, the second connecting rod, the third connecting rod, the ball slider, the cover of the handrail, and the right inner scissor arm , the left inner scissor arm, the right outer scissor arm, the left outer scissor arm, the scissor arm connecting rod, the fork moving device, and the connecting rod is fixedly arranged on the ball slider The connecting rod 2 is fixedly arranged between the right inner scissor arm and the left inner scissor arm, and the right outer scissor arm is rotatably connected to the right inner scissor arm. On the scissor arm, the left outer scissor arm is rotatably connected to the left inner scissor arm, and the front ends of the right inner scissor arm and the left inner scissor arm are rotatably connected Connected to the first connecting rod, the rear ends of the right inner scissor arm and the left inner scissor arm are rotatably arranged on the second connecting rod, and the second connecting rod is fixedly arranged In the armrest main body, the rear ends of the right outer scissor arm and the left outer scissor arm are rotatably arranged on the connecting rod three, and the connecting rod three is slidably arranged on On the armrest cover, the front ends of the right inner scissor arm and the left inner scissor arm are rotatably arranged on the armrest cover.

Moreover, the fork moving device includes a linear guide rail, a ball screw, a ball slider, a motor, and a set screw. The fork moving device is fixedly arranged in the main body of the armrest, and the linear guide rail fixedly arranged in the armrest body, the ball screw is rotatably arranged between the motor and the linear guide rail, and the ball slider is slidably arranged on the ball On the screw rod, the motor is fixedly arranged on the linear guide rail.

Moreover, the pedal includes a crossbeam, a platform plate, a sole limiting plate, and a pin shaft, and the pin shaft rotatably arranges the crossbeam on the chassis through the through hole, and the described platform plate is fixedly arranged on the bottom frame. On the crossbeam, the sole limiting plate is fixedly arranged on the platform plate.

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

The auxiliary toilet and transfer device of the utility model has simple structure, coordinated movement, and easy operation. It can provide good rehabilitation auxiliary functions for the elderly, disabled people and many other lower limb dysfunctions, and can realize free movement and walking. For daily life activities such as training and going to the toilet, the height of the lifting frame lifted by the electric push rod can be adjusted freely according to different usage situations. The lifting beam and chest support driven by the electric push rod can be comfortably converted from sitting to standing, reducing the bones of the lower limbs And the burden of the muscles, under the action of the electric push rod, the rate change of the posture of sitting and standing can be realized, which is convenient to adjust, and can stand in a comfortable state. During the walking process, there is a chest support in the front to support the chair back that slides along the linear guide rail in the back. After standing up, the user can walk safely. In addition, for users with different heights, the utility model can realize the overall height, the armrest height adjustment.

Description of drawings

Figure 1 shows the front side view of the auxiliary toilet and transfer device with the seat back removed;

Fig. 2 shows the front side view of the sitting posture use state of the auxiliary toilet and transfer device;

Fig. 3 shows the rear side view of the auxiliary toilet and transfer device in standing position;

Figure 4 shows a schematic diagram of the lift armrest structure;

Figure 5 shows a schematic diagram of the self-locking handle mechanism;

Figure 6 is a schematic diagram of the sliding mechanism of the chair back;

Detailed ways

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.

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

As shown in Figure 1, Figure 2 and Figure 3, the auxiliary toilet and transfer device of the present invention includes a chassis 1, four universal wheels 9 fixedly arranged at the bottom of the chassis 1, fixedly arranged on the bottom of the chassis 1 The anti-rollover mechanisms 2 on both sides of the underframe 1, the lifting mechanism 3 fixedly arranged on the underframe 1, the sit-stand conversion device 4 rotatably arranged on the underframe 1, fixed The chair back sliding mechanism 5 that is arranged on the lifting armrest 7, the self-locking handle 6 that is fixedly arranged on the lifting mechanism 3, and the lifting armrest 7 that is fixedly arranged on the lifting mechanism 3 can be The pedal 10 is rotatably arranged on the chassis 1 .

The auxiliary toilet and transfer device of the present utility model can assist the user to complete the function of sitting and standing conversion. Beam 43, chest bracket 44, the third electric push rod 41 is rotatably arranged between the lifting beam 43 and the chassis 1, and the lifting beam 43 is rotatably arranged on the On the lifting frame mechanism 3 , the chest bracket 44 is rotatably arranged on the lifting beam 43 and connected by a pin shaft 42 . Specifically, as shown in Figures 2 and 3, lock the brake device of the universal wheel 10, fix the position of the auxiliary toilet and transfer device on the ground, and when the user wants to stand up, the user can hold the self-locking handle 6. The soles of the feet are supported on the pedals 10, driving the third electric push rod 41 to move with the lifting beam 43, and then pushing the chest support 44 to move upwards, assisting the user to complete the state transition from sitting to standing, and assisting the user to stand The status is shown in Figure 3.

Further, in order to improve the scope of application of the auxiliary toilet and transfer device, the chair back of the utility model can be moved during the conversion process of sitting and standing, as shown in Figure 2 and Figure 6, the chair back sliding mechanism 5 includes a linear guide rail 51. Self-locking three-wheel slider 52, base 53, chair back 54, and set screw 55. The linear slide rail 51 is fixedly arranged on the lifting handrail 7 by the set screw 55. The described The self-locking three-wheel slider 52 is slidably arranged on the linear slide rail 51, the base 53 is fixedly arranged on the self-locking three-wheel slider 52, and the chair back 54 can be Slidingly arranged on the base 53, specifically, the self-locking three-wheel slider 52 drives the base 53 to slide on the linear slide rail 51, so as to realize the change of the position of the chair back 54, and improve the auxiliary toilet and transfer. The scope of use of the device in different situations.

In order to improve the comfort of the auxiliary toilet and transfer device, the utility model auxiliary toilet and transfer device is provided with a foot pedal 10, as shown in Figures 1 and 2, the foot pedal 10 includes a beam 101, a platform board 102. Foot limiting plate 103, pin shaft 104, the pin shaft 104 rotatably sets the beam 101 on the chassis 1 through the through hole, and the platform plate 102 is fixedly set on the beam 101 , the sole limiting plate 103 is fixedly arranged on the platform board 102 , and the universal wheel 9 is fixedly arranged on the platform board 102 . When the user needs to use the foot pedal, the nurse puts down the platform plate 102, and now the universal wheel 9 is in contact with the bottom surface under the underframe 1 and is parallel, and the sole limiter plate 103 plays a position-limiting role. When the foot support mechanism is needed, the nursing staff packs up the platform board 102 and rotates the crossbeam 101 to keep the vertical state through the pin shaft.

Further, in order to enhance the safety of the user, the handle of the auxiliary toilet and transfer device of the present invention can be self-locking, as shown in Figure 5, the self-locking handle 6 includes a ratchet handle 61, a movable disc 62, a ratchet flex 63 and blocking point 64, the ratchet handle 61 and the movable disc 62 are coaxially fitted and rotatably arranged on the lifting mechanism 3, and the ratchet handle 62 is fixedly arranged on the On the lifting mechanism 3, the stop point 64 is fixedly arranged on the lifting mechanism 3, and the user pushes the ratchet handle 61 to rotate to the position of the ratchet 63 to realize self-locking during the conversion process of sitting and standing. The ratchet handle 61 continues to rotate and at the same time drives the movable disk 62 to the stop point 64 to release the locked state of the self-locking handle 11 .

In order to improve the scope of application of the auxiliary toilet and transfer device, the height of the lifting mechanism 3 of the auxiliary toilet and transfer device of the present invention can be adjusted, as shown in Figures 1 and 5. Rod 31, second electric push rod 32, lift frame 33, the first electric push rod 31 and the second electric push rod 32 are fixedly arranged on the base frame 1, and the lift frame 33 is fixedly arranged on the upper ends of the first electric push rod 31 and the second electric push rod 32, which improves the scope of application of the auxiliary toilet and transfer device among people of different heights and different toilet heights.

In order to improve the comfort of the auxiliary toilet and transfer device, the utility model auxiliary toilet and transfer device is provided with a lifting handrail 7, as shown in Figure 3 and Figure 4, the lifting handrail 7 includes a handrail cover 71, a main body of the handrail 72. Left outer scissor arm 73, left inner scissor arm 74, right outer scissor arm 75, right inner scissor arm 76, connecting rod one 77, connecting rod two 78, connecting rod three 79, scissors The yoke connecting rod 710, the first connecting rod 77 is fixedly arranged on the ball screw slider 81, and the inner scissor arm 76 on the right side and the inner scissor arm 74 on the left side are fixedly connected to each other. Set on the connecting rod 2 78, the right outer scissor arm 75 is rotatably connected to the right inner scissor arm 76, and the left outer scissor arm 73 is rotatable ground is connected on the left inner scissor arm 74, and the front ends of the right inner scissor arm 76 and the left inner scissor arm 74 are rotatably connected on the connecting rod one 77, the The rear ends of the right inner scissor arm 76 and the left inner scissor arm 74 are rotatably arranged on the second connecting rod 78, and the second connecting rod 78 is fixedly arranged in the main body 72 of the armrest , the rear ends of the right outer scissor arm 75 and the left outer scissor arm 73 are rotatably arranged on the third connecting rod 79, and the third connecting rod 79 is slidably arranged on the On the armrest cover 71, the front ends of the right inner scissor arm 76 and the left inner scissor arm 74 are rotatably arranged on the armrest cover 71. Specifically, during use, the ball slider 81 drives the left The side outer scissor arm 73 and the right outer scissor arm 75 rotate around the scissor arm connecting rod 710, so that the second connecting rod 79 slides in the armrest cover 71, thereby realizing lifting of the armrest and improving user comfort. Simultaneously, in order to facilitate the lifting of the handrail, the auxiliary toilet and transfer device of the present invention is provided with a fork moving device 8, as shown in Figure 3 and Figure 4, the fork moving device 8 includes a linear guide rail 83, a ball wire Rod 82, ball slider 81, motor 84, set screw 85, the linear guide rail 83 is fixedly set in the armrest main body 72 by the set screw 85, and the ball screw 82 is rotatably set Between the motor 84 and the linear guide rail 83, the ball slider 81 is slidably arranged on the ball screw 82, and the motor 84 is fixedly arranged on the linear guide rail 83 . The user starts the motor 84, and the ball slider 81 drives the scissor arm connecting rod 710 to slide. At this time, the armrest cover 71 can move up and down in a straight line, which improves the convenience of the auxiliary toilet and transfer device. In order to improve the safety factor of the auxiliary toilet and transfer device, and prevent the auxiliary toilet and transfer device from turning over due to the unstable center of gravity during the process of sitting-stand conversion, auxiliary walking, and transfer, the auxiliary toilet and transfer device of the utility model is set There is an anti-rollover mechanism 2, as shown in Figure 4, the described anti-rollover mechanism 2 includes a roller positioning nut 21, an S-shaped rod 22, and a roller 23, and the described S-shaped rod 22 is fixedly arranged on the bottom On both sides of the frame 1, the roller 23 is rotatably arranged on the outside of the S-shaped rod 22, the outer end of the S-shaped rod 22 is provided with threads, and the roller positioning nut 21 is fixedly arranged on the The outer end of the S-shaped rod 22 described above.

Claims (10)

1. Auxiliary toilet and transfer device, characterized in that the bottom frame, anti-rollover mechanism, lifting mechanism, pedals, sit-stand conversion mechanism, self-locking handle, seat, chair back sliding mechanism, lifting armrest, lock buckle and universal wheels, four universal wheels are fixedly arranged at the bottom of the underframe, anti-rollover mechanisms are fixedly arranged on both sides of the underframe, and the lifting mechanism is fixedly arranged on the underframe Above, the middle part of the underframe is fixedly provided with a pedal, and the bottom of the said pedal is fixedly provided with a universal wheel, and the described sit-stand conversion mechanism is rotatably arranged on the described underframe , the self-locking handle is rotatably set on the lifting mechanism, the seat is detachably set on the back sliding mechanism, and the back sliding mechanism is fixedly set on the inner side of the armrest , the lifting armrest is fixedly arranged on the lifting mechanism, and the lock is fixedly arranged on the lifting armrest. 2. The auxiliary toilet and transfer device according to claim 1, wherein the anti-rollover mechanism comprises an S-shaped bar, a roller and a roller positioning nut, and the roller is rotatably arranged on the On the S-shaped rod, the roller positioning nut is fixedly arranged at the outer end of the S-shaped rod. 3. Auxiliary toilet and transfer device as claimed in claim 1, characterized in that, said underframe comprises a vertical beam, a first cross beam, and a second cross beam, and the two ends of said cross beam are connected with the first vertical beam respectively. Fastened together with the second vertical beam. 4. The auxiliary toilet and transfer device according to claim 1, wherein the lifting mechanism comprises a first electric push rod, a second electric push rod and a lifting frame, and the first electric push rod, The lower part of the second electric push rod is fixedly arranged on the underframe, and the lifting frame is slidably arranged on the underframe. 5. The auxiliary toilet and transfer device according to claim 1, characterized in that, said sitting-to-standing conversion mechanism comprises a third electric push rod, a lifting beam, a set screw, a chest support, and said lifting The beam is rotatably arranged on the lifting mechanism, the third electric push rod is rotatably arranged between the bottom frame and the lifting beam, and the chest support is rotatably arranged on said lifting beam. 6. The auxiliary toilet and transfer device according to claim 1, characterized in that, the self-locking handle includes a ratchet handle, a ratchet handle, and a movable disc, and the ratchet is rotatably arranged on the lifting handle. In terms of mechanism, the ratchet handle is rotatably arranged on the lifting mechanism, and the movable disc is rotatably arranged on the ratchet handle. 7. The auxiliary toilet and transfer device as claimed in claim 1, characterized in that, said chair back sliding mechanism comprises a linear slide rail, a self-locking three-wheel slider, a base, and a chair back, and said linear slide The rail is fixedly arranged on the inner side of the armrest, the self-locking three-wheel slider is slidably arranged on the linear slide rail, and the base is fixedly arranged on the self-locking three-wheel slider On the block, the chair back is movably arranged on the base. 8. The auxiliary toilet and transfer device according to claim 1, characterized in that, the lifting handrail comprises a main body of the handrail, a connecting rod one, a connecting rod two, a connecting rod three, a ball slider, a handrail cover, a right side The inner scissor arm, the left inner scissor arm, the right outer scissor arm, the left outer scissor arm, the scissor arm connecting rod, the fork moving device, and the connecting rod is fixedly arranged on the described On the ball slider, the right inner scissor arm and the left inner scissor arm are fixedly arranged on the second connecting rod, and the right outer scissor arm is rotatably connected to the On the right inner scissor arm, the left outer scissor arm is rotatably connected to the left inner scissor arm, the right inner scissor arm and the left inner scissor arm The front end is rotatably connected to the first connecting rod, the rear ends of the right inner scissor arm and the left inner scissor arm are rotatably arranged on the second connecting rod, and the connecting rod Two are fixedly arranged in the main body of the armrest, and the rear ends of the right outer scissor arm and the left outer scissor arm are rotatably arranged on the third connecting rod, and the third connecting rod can Slidingly arranged on the armrest cover, the front ends of the right inner scissor arm and the left inner scissor arm are rotatably arranged on the armrest cover. 9. Auxiliary toilet and transfer device as claimed in claim 8, characterized in that, the moving device for the fork includes a linear guide rail, a ball screw, a motor, a set screw, and the moving device for the fork is fixedly It is arranged in the lifting handrail, the linear guide rail is fixedly arranged in the lifting handrail, and the ball screw is rotatably arranged between the motor and the linear guide rail. The ball slider is slidably arranged on the ball screw, and the motor is fixedly arranged on the guide rail. 10. The auxiliary toilet and transfer device according to claim 1, characterized in that, the pedals include a crossbeam, a platform board, a foot limiting plate, and a pin shaft, and the pin shaft connects the crossbeam through the through hole. It is rotatably arranged on the chassis, the platform board is fixedly arranged on the crossbeam, and the sole limiting plate is fixedly arranged on the platform board.

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