CN107714322A - A kind of multifunctional wheelchair for having Auxiliary support and the function that goes to toilet - Google Patents

Abstract

The invention discloses a kind of multifunctional wheelchair for having Auxiliary support and the function that goes to toilet, belong to medical instruments field, including seat-assembly 100, chair frame component 200, cart wheel assembly 4, brake gear 5, small universal wheel component 600, foot pad 7 and adjustable supports board component 300.The seat of seat is formed by fixing seat and movable seat, and fixed seat is installed in chair frame, and centre is provided with T-shaped groove, on put movable seat, movable seat can slide along the fixed T-shaped groove of seat, and realization goes to toilet function, it is easy to operation and movable seat can be extracted out behind the chair back；Adjusting support board can realize horizontal and vertical direction position adjustment, and the supporting plate can play certain Auxiliary support effect when going to toilet, also can be used as Simple dining table, function of placing articles, not the used time can pack up.It is whole Wheelchair structure simple and compact, the labor intensity that care-giver can be reduced, flexible.

Description

A multifunctional wheelchair with auxiliary support and toilet function

technical field

The invention belongs to the field of medical devices, in particular to a multifunctional wheelchair with auxiliary support and toilet function.

Background technique

Wheelchairs are widely used in people's daily life as a common means of transportation for the disabled, the elderly and users with limited mobility. While wheelchairs provide convenience, they also put forward more functional requirements. For example, in daily family life, some people who have lost the function of their lower limbs, especially heavy users, often need multiple escorts to help them to go to the toilet, which is difficult and consumes a lot of energy. It is absolutely necessary for users and escorts, which can greatly reduce the labor intensity of escorts and reduce the number of nursing staff.

In the patent CN103989559A multifunctional wheelchair for going to the toilet, it is realized by opening a hole for going to the toilet on the seat surface, setting a movable plate hinged on the hole for going to the toilet and moving the handrail. In this way, the position of the toilet hole is fixed, and it is not easy to align when using it, and the movable plate of the toilet hole is placed under the seat surface, which is inconvenient to operate;

In the multifunctional wheelchair of patent CN105997374A, a hard seat cushion is installed in a sliding manner, and the position of the seat cushion is moved by a screw drive to realize the auxiliary function of going to the toilet. During use, there may be situations where the patient does not have sufficient supporting space and is inconvenient to undress, which increases the Difficulty using the toilet.

Contents of the invention

The present invention provides a multifunctional wheelchair with auxiliary support and toilet function. The purpose is to provide a multifunctional wheelchair with simple structure, convenient use, auxiliary toilet function and adjustable dining table, which can reduce the labor of the attendant. Strength, lighten the load. The technical scheme adopted in order to realize the object of the present invention is as follows:

The invention provides a multifunctional wheelchair with auxiliary support and toilet function, comprising a chair frame assembly, a seat assembly, a large wheel assembly, a brake device, a small universal wheel assembly, a foot pad and an adjustable support plate assembly.

The chair frame assembly consists of multiple sets of pipe fittings and a pair of guide rail assemblies with trapezoidal guide rails. The upper beam of the chair frame is a hollow pipe fitting, and the fixed guide rail is a trapezoidal guide rail structure installed outside the square steel. The upper beam, middle beam and fixed guide rail pass through the front of the chair frame. , The rear columns are fixedly connected together to form a chair frame structure; the large wheels are installed on the middle beam of the chair frame, the small universal wheels are installed on the front end of the fixed guide rail through the connector, and the seat assembly is installed above the chair frame columns.

Seat components include back armrests, side armrests, fixed seat surfaces, movable seat surfaces, seat backs, screws, handles, hooks, etc. The fixed seat surface is installed on the chair frame, and there is a T-shaped channel in the middle of the fixed seat surface, and the movable seat surface is placed on it. The movable seat surface can slide along the T-shaped channel of the fixed seat surface; the movable seat surface is installed near the back of the chair. There are handles and screws, which can be pulled out from the back of the chair to realize the function of going to the toilet; hooks are installed on the back of the chair to fix the movable seat surface; side and rear armrests are also installed on both sides of the seat and the back of the chair for easy use;

The adjustable support plate assembly includes horizontal support rods, support plates, connecting screws, height adjustment rods, level adjustment rods, ball spring pins, fixed pipe fittings, small wheels, U-shaped frames, movable slide rails; dovetail grooves are provided on the movable slide rails , which cooperates with the fixed guide rail at the bottom of the chair frame to form a linear guide rail pair, which can ensure the guidance of the support plate when it is adjusted horizontally; the horizontal adjustment rod is a circular cross-section, and a ball spring pin is installed on the rod. A set of fixed spacing holes, the two are nested and installed, and the ball spring pin is used to adjust the horizontal extension length of the auxiliary support plate; the height adjustment lever is the same as the horizontal adjustment lever, and the distance in the height direction is also adjusted through the ball spring pin; height adjustment The end of the rod is connected to the horizontal support rod, and the support plate is fixedly installed on the horizontal support rod by connecting screws, and the support plate can be disassembled when not needed;

The small universal wheel set is installed on the end of the movable slide rail through the connecting piece to increase the rigidity and stabilize the support;

The brake device is installed on the side of the chair frame, which can brake, decelerate and fix in daily use. When using the toilet, lock the brake device to fix the wheelchair position;

The foot pad is installed on the front column of the chair frame, and can be rotated to the inside of the chair frame for storage or placed directly in front for use.

According to the above technical scheme, the toilet function can be realized by pulling the movable seat surface from the fixed seat surface, and it is easier to operate when pulled out from the back; the linear guide pair formed by the movable slide rail and the fixed guide rail, the ball spring pin and the The design of the small universal wheel set can realize the horizontal adjustment and position fixation of the support plate; through the structural design of the height adjustment rod and the ball spring pin, the height adjustment and fixation of the support plate can be realized;

When the adjustable support plate is not needed, the support plate can be disassembled or its height can be lowered to the seat surface, and the slide rail can be adjusted so that the support plate is folded and placed under the seat without affecting the use; when it is necessary to go to the toilet , first pull out the horizontal sliding rail until the support plate is fully exposed, then adjust the height of the support plate to a suitable position, and fix the horizontal direction and height direction at the appropriate spring pin position. Lean the center of gravity forward, use the support plate to make the upper body slightly leave the seat, untie the pants and then return to the seat, then adjust the seat so that the movable seat is above the toilet, and lock the wheelchair through the brake device. Open the hook on the back of the chair, pull out the movable seat surface from the back of the chair, and realize toileting;

During daily use, the auxiliary support plate can also be pulled out to be used as a simple dining table, storage and other functions.

Compared with the prior art, the present invention has the advantages of: (1) the overall structure is simple and compact, the cost is low, and the labor intensity of the nursing staff is reduced to a certain extent; (2) the height and horizontal position of the auxiliary support plate can be adjusted, More flexible; (3) extract the movable seat surface from the back of the chair for easy operation.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic structural view of the movable seat surface of the chair back of the present invention;

Fig. 3 is a partial schematic diagram of the horizontal slide rail structure of the adjustable support plate of the present invention;

Fig. 4 is a partial structural schematic diagram of the horizontal adjustment rod of the present invention;

Fig. 5 is a schematic diagram of the wheelchair effect in the open state of the adjustable support plate of the present invention;

Fig. 6 is a schematic diagram showing the effect of the wheelchair in the retracted state of the adjustable support plate of the present invention.

detailed description

Below in conjunction with accompanying drawing, the present invention is described in further detail:

The present invention provides a multifunctional wheelchair with auxiliary support and toilet function, as shown in Figure 1 and Figure 2, comprising a chair frame assembly 200, a seat assembly 100, a large wheel assembly 4, a brake device 5, a small universal The wheel assembly 600 , the foot pad 7 and the adjustable support plate assembly 300 .

The chair frame assembly 200 is composed of multiple sets of pipe fittings and guide rail assemblies with trapezoidal guide rails. The upper beam 201 of the chair frame is a hollow circular pipe, the fixed guide rail 204 is a trapezoidal guide rail structure installed outside the square steel, and the middle beam 202 is a pipe fitting. The upright column 205 and the rear upright column 203 are fixedly connected together to form a chair frame structure; the large wheel assembly 4 is installed on the middle beam 202, the small universal wheel assembly 600 is installed on the front end of the fixed guide rail 204 through a connector, and the foot pad 7 is installed on the chair frame. On the front column 205 of the frame, the seat assembly 100 is installed above the column of the chair frame;

The small universal wheel assembly 600 comprises a universal wheel rotary shaft 601, a U-shaped frame 602, a small wheel 603, and a bearing seat 604. The small universal wheel is installed on the U-shaped frame 602, and the rotary shaft 601 is installed on the U-shaped frame. The rotating shaft is installed on the bearing seat of the built-in bearing, and the bearing seat is installed on the front end of the bottom fixed guide rail 204 of the chair frame through a connecting piece;

Seat assembly 100 comprises chair back armrest 101, side armrest 102, fixed seat surface 103, movable seat surface 104, chair back 105, screw 106, handle 107, hook 108; Fixed seat surface 103 is installed on the chair frame, fixed seat surface There is a T-shaped slot in the middle, and the movable seat surface is placed on it. The movable seat surface can slide along the T-shaped slot of the fixed seat surface; A hook is installed on the back of the chair, and the movable chair surface can be fixed by hanging on the screws; side armrests 102 assembled with round tubes are installed on both sides of the fixed chair surface, and a rear armrest 101 is installed on the back of the chair, which is convenient for caregivers to use;

The adjustable support plate assembly 300 includes a horizontal support rod 301, a support plate 302, a connecting screw 303, a height adjustment rod 304, a horizontal adjustment rod 305, a fixed pipe 307, a small wheel 308, a U-shaped frame 309, a movable slide rail 310; There is a dovetail groove on the rail 310, which cooperates with the fixed guide rail 204 at the bottom of the chair frame. A group of fixed-distance holes are provided on the hollow circular pipe fittings of the upper beam 201, and the two are nested and installed, and the ball spring pin 206 is used to adjust the horizontal extension length of the support plate 302; There is a ball spring pin 306, and a set of fixed-distance holes is set on the fixed pipe fitting 307, and the two are nested and installed, and the distance in the height direction is adjusted through the ball spring pin; Fixedly installed on the horizontal support bar; the small wheel 308 is installed on the U-shaped frame 309, and is installed on the end of the movable slide rail 310 through the rotary shaft, bearing seat and connecting piece; when the support plate is opened, it can be used as an auxiliary Support, reduce the labor intensity of the caregiver, in addition, it can also be used as a simple dining table and a storage board;

The brake device 5 is installed on the side of the chair frame, and utilizes the friction with the large wheel assembly 4 to brake, decelerate and fix;

The foot pad 7 is installed on the front column 205 of the chair frame, and can be rotated to the inside of the chair frame for storage or placed directly in front for use;

Figure 5 is a schematic diagram of the effect of the wheelchair when the adjustable support plate is retracted. According to the above scheme, when the adjustable support plate is not needed, the support plate can be disassembled or its height can be lowered to the seat surface, and the sliding rail income can be adjusted to make the support plate Stored under the seat, does not affect daily use,

Figure 6. Schematic diagram of the wheelchair effect when the adjustable support plate is opened. When you need to go to the toilet, first pull out the horizontal slide rail until the support plate is fully exposed, then adjust the height of the support plate to a suitable position, and fix the horizontal and height directions at the At the proper position of the spring pin, the nursing staff will lean the center of gravity of the upper body of the care receiver forward, use the support plate to make the upper body slightly leave the seat, untie the trousers and then return to the seat, and then adjust the seat to The movable seat surface is located above the toilet seat, the wheelchair is locked by the brake device, the hook on the back of the chair is opened, and the movable seat surface is pulled out from the back of the chair to realize going to the toilet. In order to reduce the friction force when the movable seat surface slides, slots can be made in the T-shaped groove of the fixed seat surface, and balls and lubricating grease can be added to improve the sliding performance;

The chair frame in the above-mentioned embodiments mainly takes cylindrical pipe fittings as an example. Members with other cross-sectional shapes, such as square pipe fittings, can also achieve the above functions if they meet the requirements of use; Add seat cushions to improve seat comfort.

The foregoing detailed description shows and describes the basic principles, main features and advantages of the invention. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention.

Claims (5)

1. A kind of 1. multifunctional wheelchair for having Auxiliary support and the function that goes to toilet, it is characterised in that：Including chair frame component (200), seat Component (100), cart wheel assembly (4), brake gear (5), small universal wheel component (600), foot pad (7) and adjustable supports board component (300), seat-assembly is connected to above chair frame component, and cart wheel assembly is connected to chair frame component both sides, and brake gear is connected to Chair frame component is simultaneously located at cart wheel assembly oblique upper, can be with big wheel component touch or separating in activity point of view, and foot pad connects It is connected in front of chair frame component, adjustable supports board component is connected by guide rail with chair frame component.
2. A kind of 2. multifunctional wheelchair for having Auxiliary support and the function that goes to toilet according to claim 1, it is characterised in that：It is described Chair frame component (200) is by multigroup pipe fitting and the guide assembly with trapezoidal rails forms, chair frame entablature (201) is open circles Pipe fitting, fixed guide rail (204) are that trapezoidal rails structure is installed outside square steel, and middle cross beam (202) is pipe fitting, chair frame entablature (201) Be connected to chair frame front column (205), the top of rear column (203), chair frame middle cross beam (202) be connected to chair frame front column (205), The middle part of rear column (203), fixed guide rail (204) are connected to chair frame front column (205), the bottom of rear column (203).
3. A kind of 3. multifunctional wheelchair for having Auxiliary support and the function that goes to toilet according to claim 1 or 2, it is characterised in that： Cart wheel assembly (4) is connected to the rear portion of middle cross beam (202), and small universal wheel component (600) is arranged on fixation by connector and led The leading section of rail (204), foot pad (7) are connected on chair frame front column (205), and seat-assembly (100) is connected to chair frame front column (205) and above rear column (203).
4. A kind of 4. multifunctional wheelchair for having Auxiliary support and the function that goes to toilet according to claim 1, it is characterised in that：It is described Seat-assembly (100) include chair back back bar (101), side handrail (102), fixed seat (103), movable seat (104), chair Carry on the back (105), screw (106), handle (107), hook (108)；Fixed seat (103) is connected on chair frame component, fixed seat Centre is provided with T-shaped groove, and the width on T-shaped groove top is the half of fixed seat overall width；Movable seat (104) is connected to In T-shaped groove upper slot, its thickness is identical with the groove depth that T-shaped groove is upper wider, width and the upper wider groove of T-shaped groove Width is identical, and movable seat (104) is connected with handle (107) at it close to a middle side part of the chair back, and handle both sides are connected with spiral shell Follow closely (106)；The chair back (105) top both sides are connected with back bar (101), bottom be provided with rectangular through-hole, entire widths and height with The width of movable seat (104) and highly identical, the bottom surface of the through hole bottom surface groove upper wider with T-shaped groove is positioned at same Horizontal plane, through hole center line and T-slot centerline collineation, through hole both sides are connected with hook (108), link up with into alphabetical J-shape, Screw (106) is can contact or left on the inside of its scope of activities inner curve；The both sides of fixed seat (103) are connected with pipe assembling Side handrail (102).
5. A kind of 5. multifunctional wheelchair for having Auxiliary support and the function that goes to toilet according to claim 1 or 2, it is characterised in that： Described adjustable supports board component (300) includes horizontal support bar (301), supporting plate (302), attachment screw (303), height and adjusted Whole bar (304), horizontal adjustment bar (305), fixed pipe fitting (307), steamboat (308), U-shaped frame (309), movable rail (310)；It is living Dovetail groove is offered on dynamic slide rail (310), it is fixed guide rail (204) with chair frame bottom and is engaged；Horizontal adjustment bar (305) is circle Tee section, ball spring pin (206) is installed on bar, opening up one group on entablature (201) open circles pipe fitting of chair frame component determines Spacing hole, horizontal adjustment bar (305) nested encryptions are in chair frame entablature (201)；Height adjusting link (304) is circular cross-section, Ball spring pin (306) is installed on bar, one group of determining deviation hole is opened up on fixed pipe fitting (307), height adjusting link (304) is nested It is installed in fixed pipe fitting (307)；Height adjusting link end connection horizontal support bar (301), by attachment screw (303) branch Fagging (302) is connected on horizontal support bar；Steamboat (308) is arranged on U-shaped frame (309), passes through gyroaxis, bearing block and company Fitting is installed on the end of movable rail (310).