CN110101330A - A kind of toilet seat assistor with lifting device - Google Patents

Abstract

The invention belongs to the field of toilet aids. The purpose is to provide a toilet aid with a lifting device to solve the problem of the functional limitations of existing toilet aids, and to realize a one-stop assistance service for the elderly from entering the toilet to use the toilet to getting up and leaving the toilet. The technical solution is: a toilet aid with a lifting device, which is characterized in that the toilet aid includes a load-bearing bottom plate provided with universal wheels, and an armpit lifting aid linkage mechanism fixed on the load-bearing bottom plate, a seat Plate posture adjustment parallel mechanism, anti-rollover clamping and pressing mechanism; the armpit lifting aid linkage mechanism includes a support fixed on the load-bearing floor, and two parallelogram mechanisms fixed on the support in parallel And the underarm support lifted by the aforementioned parallelogram mechanism.

Description

A toilet aid with lifting device

technical field

The invention belongs to the field of toilet aids, in particular to a toilet aid with a lifting device.

Background technique

Aging is the result of social and economic development, general improvement of people's living standards, improvement of medical and health conditions, and scientific and technological progress. With the increasing trend of population aging in our country, the safety of the daily life of the elderly has received extensive attention. At present, the children of most families are busy working during the day, resulting in neglect of care for the elderly living alone or empty nesters. At the same time, with the increasing age, many elderly people have inconvenient legs and feet, and the phenomenon of degraded self-care ability. Due to the decline in physical function of the elderly, many things that need to be handled independently will be more or less inconvenient, and they need the help of others or the assistance of equipment. In today's era of increasingly expensive human resources, the importance of auxiliary equipment is also increasing. Gradually rise. The survey found that the elderly will encounter some expected but unresolvable troubles during the excretion process, especially the knee joints of the elderly are prone to fatigue damage, and their own body weight is very important when sitting down and standing up when using the toilet. The increased pressure on the knee joints leads to a certain degree of difficulty; especially after a long time of squatting, the sudden sudden rise is also prone to cerebral ischemia and fainting accidents, and even secondary injuries are extremely prone to occur when falling to the ground . Therefore, it is very necessary to design an auxiliary toilet that can facilitate sitting and standing up when the elderly go to the toilet.

The functions of the existing toilet aid products are mostly limited to assisting the elderly to get up, and cannot serve the whole process of the elderly from going to the toilet to getting up and leaving the toilet, and the auxiliary functions are not perfect; In the case of unstable chair armrests and a fall, the effect of auxiliary support is not good.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the above-mentioned background technology, and provide a toilet aid with a lifting device to solve the problem of the limited function of the existing toilet aid, and to realize the convenience for the elderly from entering the toilet to use the toilet to getting up and leaving the toilet. One-stop one-stop assistance service.

The technical scheme adopted in the present invention is:

A toilet aid with a lifting device, characterized in that the toilet aid includes a load-bearing bottom plate provided with universal wheels, and an armpit lift-assist link mechanism fixed on the load-bearing bottom plate, and a seat plate posture adjustment parallel connection mechanism, anti-rollover clamping tablet mechanism;

The armpit lifting aid link mechanism includes a support fixed on the load-bearing floor, two parallelogram mechanisms fixed on the support parallel to each other, and an underarm support lifted by the aforementioned parallelogram mechanism;

The seat plate attitude adjustment parallel mechanism includes two front lifting electric push rods vertically fixed on the load-bearing floor, two rear steering electric push rods whose bottom ends are hinged on the load-bearing floor, and two front lifting electric push rods hinged on the load-bearing floor. The top of the rod and the seat plate at the top of the two rear steering electric push rods;

The anti-rollover clamping and pressing mechanism includes two screw rods respectively fixed on the obliquely fixed aluminum profiles through wing nuts, and two screw rods respectively connected to the screw rods through connecting heads and arranged opposite to each other for clamping the toilet seat. The rollover clip and the V-shaped shrapnel fixed on the connector and exerting force on the rollover prevention clip.

The toilet aid is also equipped with a follow-up safety pedal mechanism, the follow-up safety pedal mechanism includes a foot pedal resting on the ground at the front end of the load-bearing floor, arranged vertically, the bottom end is connected to the foot pedal, and the top end is hinged to the seat plate The lifting rod, the cross bar fixed at the top of the two front lifting electric push rods at both ends, the sliding seat fixed on the middle part of the cross bar and cooperating with the lifting rod to limit the axial movement of the lifting rod.

The parallelogram mechanism includes a fixed horizontal aluminum profile horizontally fixed on the top of the support, a horizontal aluminum profile for the armrest in the underarm bracket, and two parallel and identical lengths whose two ends are respectively hinged to the fixed horizontal aluminum profile and the horizontal aluminum profile for the armrest. The rotating aluminum profile; it is also equipped with an electric push rod whose two ends are respectively hinged with the rotating aluminum profile and the support.

The underarm support includes a horizontally arranged horizontal bar aluminum profile, a horizontally arranged horizontal aluminum profile fixed to both ends of the horizontal bar aluminum profile, a backrest connected to the horizontal bar aluminum profile through a vertical adjustment structure, and an adjustable The underarm support sleeve is positioned on the underarm support pad on the horizontal aluminum profile of the armrest; the axis of the horizontal aluminum profile of the armrest is perpendicular to the axis of the horizontal bar aluminum profile.

The vertical adjustment structure includes a number of adjustable aluminum profiles fixed on the reverse side of the backrest with vertical trapezoidal grooves, a number of right-angle frames with one end fixed to the horizontal bar aluminum profile and the other end attached to the adjustable aluminum profile, and one end embedded in the aluminum profile. The trapezoidal groove and the other end transversely pass through the right-angle bracket and then tighten the bolt with a wing nut.

An obliquely fixed aluminum profile for reinforcement is also respectively connected between the two front lifting electric push rods and the load-bearing base plate.

The hinges are all realized by hinges.

The beneficial effects of the present invention are:

(1) The load-bearing bottom plate can be moved indoors through universal wheels, which is convenient for the elderly to move to the toilet. In the case of fixed needs, the universal wheels can be self-locked to ensure safety.

(2) The anti-rollover clip connected to the obliquely fixed aluminum profile can block the toilet when the auxiliary toilet is pushed towards the toilet, so as to avoid the risk of rollover due to unstable center of gravity when the elderly sit in an improper posture.

(3) The seat board can be turned over to a suitable sitting position to help the elderly sit down or stand up, and reduce the force required for the elderly to sit on or leave the seat board.

(4) The armpit lifting aid link mechanism provided by the present invention can adjust the height of the backrest and handrails according to the height of the old man; when in use, the old man is supported from the armpit to give the old man the power to switch standing and sitting positions, which can further Ensure the safety of the elderly during use.

(5) The seat plate posture adjustment parallel mechanism of the present invention drives the pedals to move synchronously while driving the seat ring to tilt backward, giving power to the feet at all times, simulating the posture of squatting, and reducing the pressure on the puborectalis muscle when the user defecates. The pressure on the rectum makes defecation smoother and increases the smoothness of the elderly when going to the toilet.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic perspective view of the three-dimensional structure of the link mechanism for raising the armpit in the present invention.

Fig. 3 is a three-dimensional schematic diagram of the seat plate posture adjustment parallel mechanism, the follow-up safety pedal mechanism, and the moving base mechanism in the present invention.

Fig. 4 is a three-dimensional structural schematic diagram of the anti-rollover clamping and pressing mechanism in Fig. 3 (top view; the seat plate is omitted in the figure).

Fig. 5 is an enlarged structural schematic diagram of the underarm support sleeve in Fig. 2 .

Fig. 6 is an enlarged structural schematic diagram of the anti-rollover clip in Fig. 4 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

The auxiliary wheelchair with a lifting device shown in Fig. 1 includes: a mobile base mechanism 400 with a load-bearing base plate 410, on which the armpit lifting aid link mechanism 100, the seat plate posture adjustment parallel mechanism 200 and the anti-rotation mechanism 200 are fixed on the load-bearing base plate. The rollover clamping tablet pressing mechanism 500 also includes a follow-up safety pedal mechanism 300 .

The underarm lifting aid link mechanism 100 shown in Fig. 2 includes a backrest 110, a butterfly nut 111, a right-angle bracket 112, an adjustable aluminum profile 113, a horizontal bar aluminum profile 114, an underarm support pad 115, and an underarm support tube Cover 116, handrail 117, handrail horizontal aluminum profile 150, rear rotating aluminum profile 160, front rotating aluminum profile 170, fixed horizontal aluminum profile 180 and electric push rod 190. Wherein, the support (the support consists of several pillars 181 vertically fixed on the load-bearing floor and the fixed horizontal aluminum profiles 180 horizontally fixed on the pillars) is fixed on the load-bearing floor, and two parallelogram mechanisms are fixed on the support in parallel. seat, and the armpit support is lifted by the aforementioned two parallelogram mechanisms.

The armrest horizontal aluminum profile 150, the rear rotating aluminum profile 160, the front rotating aluminum profile 170 and the fixed horizontal aluminum profile 180 together form a parallelogram mechanism (the fixed horizontal aluminum profile is horizontally fixed on the top of the support, and the two rotating aluminum profiles are parallel to each other. The same length and the two ends are respectively hinged with the horizontal aluminum profile of the fixed horizontal aluminum profile and the armrest horizontal aluminum profile in the armpit bracket by hinges). The two rotating aluminum profiles are the rear rotating aluminum profile 160 and the front rotating aluminum profile 170; wherein: one side of the rear rotating aluminum profile is installed under the horizontal aluminum profile of the armrest through a hinge, close to the side of the toilet; one side of the front rotating aluminum profile is installed Under the horizontal aluminum profile of the armrest, the relative position is in front of the rear aluminum profile, away from the side of the toilet; the fixed horizontal aluminum profile is connected with the rear rotating aluminum profile and the front rotating aluminum profile through a hinge; the telescopic end of the electric push rod is connected to the rear The aluminum profiles are connected by hinges, and the tail ends are connected to the fixed horizontal aluminum profiles by hinges. In the armpit bracket, the aluminum profile of the horizontal bar is arranged horizontally, the horizontal aluminum profile of the armrest is arranged horizontally and fixed to both ends of the aluminum profile of the horizontal bar (the axis of the horizontal aluminum profile of the armrest is perpendicular to the axis of the aluminum profile of the horizontal bar), and the backrest passes through the vertical The adjustment structure is connected to the aluminum profile of the horizontal bar, and the underarm support pads are respectively positioned on the horizontal aluminum profile of the armrest through adjustable underarm support sleeves.

The backrest 110 adopts a vertical adjustment structure (including several adjustment aluminum profiles 113 fixed on the reverse side of the backrest and having a vertical trapezoidal groove, several one ends are fixed to the horizontal bar aluminum profiles and the other end is attached to the right-angle corners on the adjustment aluminum profiles. Frame 112 and one end embedded in the trapezoidal groove and the other end transversely passing through the right-angle frame and then tightened by a wing nut) are connected to the horizontal bar aluminum profile 114; wherein: two adjustable aluminum profiles are fixed symmetrically and vertically at the appropriate position on the back of the backrest Profile 113, adjust the trapezoidal groove on the aluminum profile and a right-angle surface of the right-angle bracket one by one, fix the two positions through the wing nut 111 and the bolt, and adjust the backrest along the aluminum profile by twisting the tightness of the wing nut. The profile trapezoidal groove slides up and down and adjusts the position (you can use the butterfly nut and the matching bolts to adjust the aluminum profile trapezoidal groove to fix or loosen the two to adjust the vertical position); The horizontal bar aluminum profiles are fixedly connected by bolts and nuts. The armrest 117 is fixed on the horizontal aluminum profile 150 of the armrest, which is used as the application point of the hand of the elderly and the deployment position of the control button; the underarm support pad 115 and the underarm support sleeve 116 are combined and installed on the horizontal aluminum profile of the armrest As the support point for the armpit of the elderly; the armpit support tube sleeve (conventional structure; see Figure 5) is composed of an inner tube 120 and an outer tube 118 that are slidably worn and fitted, and are made on the two sides of the outer tube. There are several through holes arranged along the axial direction; a V-shaped spring 119 is fixed in the inner tube, and the two ends of the spring are bent outward and extend to the outside of the tube through the openings of the inner tube respectively, and then inserted into the outer tube The through hole in the wall makes the axial displacement of the inner tube and the outer tube limited. Press the two ends of the spring by hand to pull the inner tube and the outer tube to adjust the vertical position of the armpit support sleeve. The underarm support pad and the armrest are the second force-bearing support positions other than the seat board. By controlling the expansion and contraction of the electric push rod 190, the movement of the parallelogram mechanism can be controlled, so that the underarm support pad 120 lifts or lowers the user. The armpit position can be adjusted synchronously with the seat plate posture adjustment parallel mechanism to achieve the best effect of assisting in standing up and sitting.

The seat plate posture adjustment parallel mechanism 200 shown in Fig. 3 is the most important mechanism in the whole system, which includes a seat plate 270, a rear steering electric push rod 210, a front lifting electric push rod 240, an obliquely fixed aluminum profile 220, and a hinge 230; The two front lifting electric push rods are vertically fixed on the load-bearing floor, the bottom ends of the two rear steering electric push rods are hinged on the load-bearing floor through hinges, the top ends of the two rear steering electric push rods and the two front lifting electric push rods The tops of the tops are respectively hinged to the seat plate through hinges; in addition, the two ends of the obliquely fixed aluminum profiles are respectively fixed to the load-bearing bottom plate and the front lifting electric push rod, so that the front lifting electric push rod is kept perpendicular to the load-bearing bottom plate, and the structural strength is enhanced. When the old man needs to sit down, the rear steering electric push rod 210 is extended, and finally the seat plate 270 is tilted forward at a certain angle to assist the old man to sit; when the old man sits, the rear steering electric push rod is shortened to assist the old man to sit down; When preparing to go to the toilet, the rear steering electric push rod does not move, the front lifting rod 240 rises slowly, and the seat board tilts backward, driving the old man's legs closer to the body, simulating the most natural defecation posture like squatting; after defecation, control the front Lifting the electric push rod shortens, the seat board returns to the normal horizontal sitting posture, and then performs post-defecation treatment; when the elderly need to get up, control the rear steering electric push rod to extend and make the seat board lean forward to assist in getting up. When realizing the functions of assisting in sitting and assisting in raising, they all work synchronously with the armpit lifting and lifting-assisting link mechanism 100 to achieve the best assisting effect.

The anti-rollover clamping and pressing mechanism 500 shown in Figure 4 is used to prevent the toilet from turning over, including a screw rod 570, a V-shaped shrapnel 550, an anti-rollover clip 530, a butterfly nut 510, and a connector 560; two of them The screw rods are respectively fixed on the obliquely fixed aluminum profiles through wing nuts, and the two anti-rollover clips are respectively connected to the screw rods through the connectors and set opposite to each other for clamping the toilet. The two V-shaped shrapnel are fixed on the connectors and Apply force to the anti-rollover clip. There is a horizontal through groove at a suitable position on the obliquely fixed aluminum profile 220, and the screw rod 570 passes through it horizontally. The relative position of the shaped nut on the screw rod can realize the adjustment of the lateral position of the screw rod on the obliquely fixed aluminum profile, so as to realize the cooperation with toilets of different sizes; One end is hinged with the anti-rollover clip 530 (the hinge axis shown in the figure is arranged horizontally); there is a slot on the rear side of the connector (see Figure 6) for one end of the V-shaped shrapnel 550 to be inserted and fixed; the other end of the V-shaped shrapnel is The anti-rollover clips are in contact with the outside plane, and when they are not fastened with the toilet, the V-shaped shrapnel on the two connectors respectively make the anti-rollover clips on both sides buckle in the direction of the toilet (that is, the direction toward the toilet in Figure 4). Bottom) Keep a large included angle to guide the snap-in of the toilet.

Further, the inside of the anti-rollover clip is also provided with a slot, and the ball 520 is inserted into the slot and part of it is exposed outside the slot, so that the toilet can be inserted into the device more smoothly.

When using it for the first time, it is necessary to adjust the anti-rollover clamping and pressing mechanism 500 so as to match it with the toilet; in the subsequent use, it can be directly pushed in, which can prevent the toilet from rolling over.

Follow-up safety pedal mechanism 300 as shown in Figure 3 comprises pedal 310, foot pad 320, angle code 330, lifting rod 340, slide seat 350; 320), the lifting rod is vertically arranged and the bottom end is connected with the pedal and the top is hinged with the seat plate (the lower end of the lifting rod is fixed with the foot pedal 310 by the angle code 330, and the upper end is connected with the middle part of the front end of the seat plate 210 through a hinge) , the sliding seat 350 is arranged on the lifting rod so that the lifting rod can only move axially (following the front end of the seat plate 210 to move vertically up and down), providing foot support for the user and avoiding popliteal fossa (diamond-shaped depression in the back of the knee area) ) is pressed on the front end of the seat plate 210 by gravity, causing problems such as discomfort and occlusion of blood vessels in the legs. Described sliding seat is fixed on the cross bar 360, and the two ends of cross bar are respectively fixed on the top of two front lifting electric push rods. In this way, when the two front lifting electric push rods 240 are shortened to the shortest, that is, when the seat plate 210 is in the forward tilting state, both feet can be in contact with the ground, providing a safer and more stable force application plane for the user.

The mobile base mechanism 400 shown in Fig. 3 is the load-bearing base plate 410 that is equipped with universal wheels 420; The mobility is convenient to transfer users from other places to the bathroom indoors. In the case of self-locking, it can ensure that it will not slide at will to prevent danger during use.

All electric push rods, hinges and various types of materials described in the present invention can be obtained by outsourcing.

Finally, the above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (7)

1. a kind of toilet seat assistor with lifting device, it is characterised in that the toilet seat assistor includes being equipped with universal wheel (420) Bearing soleplate (410) mobile base mechanism (400), and be fixed on bearing soleplate oxter lifting helped link mechanism (100), seat board pose adjustment parallel institution (200) and anti-rollover clamp tablet press mechanism (300)；

Oxter lifting has helped link mechanism, including be fixed on bearing soleplate (410) support, two consolidate in parallel to each other The oxter bracket determining parallelogram mechanism on the support and being lifted by aforementioned parallelogram mechanism；

The seat board pose adjustment parallel institution, the preceding promotion electric pushrod being fixed on bearing soleplate vertically including two (240), two bottom ends are hinged on bearing soleplate rear steering electric pushrod (210) and electronic push away is promoted before being hinged on two The seat board (270) on bar top and two rear steering electric pushrod tops；

The anti-rollover clamps tablet press mechanism, the screw rod being fixed on respectively by wing nut on tiltedly fixed aluminum profile including two (570), two connect and are oppositely arranged with screw rod with the anti-rollover intermediate plate for clamping toilet seat by connector (560) respectively (530) and it is fixed on connector and forces in the V-arrangement elastic slice (550) of anti-rollover intermediate plate.

2. the toilet seat assistor according to claim 1 with lifting device, it is characterised in that: the toilet seat assistor is also Equipped with servo-actuated safety pedal mechanism, which includes the foot pedal for being shelved on bearing soleplate front end ground (310), vertically arrangement and bottom end be connected with the footrest and top and the hinged lift lever of seat board (340), both ends respectively with two The fixed cross bar (360) in preceding promotion electric pushrod top is fixed on the intermediate position of cross bar and wears cooperation with the lift lever To limit the slide (350) that lift lever can only be axially moved.

3. the toilet seat assistor according to claim 1 or 2 with lifting device, it is characterised in that: parallel four side Shape mechanism includes the horizontal aluminum profile of fixation (180) for being horizontally fixed on holder top, the horizontal aluminum profile of handrail in the bracket of oxter ((150)) and two are parallel to each other and length is identical and both ends respectively with the horizontal aluminum profile of fixation and the horizontal aluminum profile of handrail Hinged rotation aluminum profile；It is another equipped with the both ends electric pushrod (190) hinged with rotation aluminum profile and support respectively.

4. the toilet seat assistor according to claim 3 with lifting device, it is characterised in that: the oxter bracket includes Horizontally disposed whippletree aluminum profile (114), horizontally disposed and fixed with the whippletree aluminum profile both ends horizontal aluminum profile of handrail (150), the backrest (110) that is connected on whippletree aluminum profile by vertical adjustment structure is supported by adjustable oxter respectively Pipe sleeve (116) is located in the oxter supporting pad (115) on the horizontal aluminum profile of handrail；The axis of the horizontal aluminum profile of handrail is vertical In the axis of whippletree aluminum profile.

5. the toilet seat assistor according to claim 4 with lifting device, it is characterised in that: the vertical adjustment structure Including being fixed on backrest reverse side and with several adjusting aluminum profiles (113), several one end and the whippletree aluminum profile of vertical dovetail groove The right angle corner bracket (112) and one end that the fixed and other end sticks on adjusting aluminum profile are embedded in the dovetail groove and the other end is horizontal To the bolt tightened again by wing nut after right angle corner bracket.

6. the toilet seat assistor according to claim 5 with lifting device, it is characterised in that: promote electricity before described two The oblique fixed aluminum profile (220) of a reinforcement is also respectively connected between dynamic push rod and bearing soleplate.

7. the toilet seat assistor according to claim 6 with lifting device, it is characterised in that: described hingedly to pass through hinge Chain is realized.