CN207979580U - Multifunctional bathing chair - Google Patents

Abstract

The utility model discloses a kind of multifunctional bathing chair, including seat base, backrest is connected on rear side of seat base, the both sides of seat base are connected with handrail, it is characterised in that：It is provided with extension board in front of seat base, support leg is provided below in seat base, and one end is articulated with both sides behind seat base, and being provided with traveling wheel beside the hinged place is hinged on support leg, the support leg other end is hinged with H-type chassis, and load wheel is provided with below the H-type chassis.The multifunctional bathing chair of the utility model, the bathing of the elderly and the disabled can be realized, go to the toilet and trip requirements by being adjusted by pose, and can mitigate the labor intensity of nursing staff, reduce risk of injury of the nursing staff in nursing process.

Description

Multifunctional bath chair

technical field

The utility model relates to the technical field of medical care equipment, in particular to a multifunctional bathing chair.

Background technique

Currently on the market, assistive aids for the disabled, paralyzed, and elderly and infirm in the market are generally divided into two categories. One is a bathing chair that is simply transformed from a daily seat. The structure is too simplified, the function is single, and the safety is relatively high. Low. The other is a bath bed, which has a bulky structure, takes up a lot of space, and is not flexible enough to be used in a family bathroom.

Due to various defects, these two types of bathing aids on the market cannot satisfy users to use them safely and conveniently, because for patients with lower limb mobility impairment and general paralysis, they are not able to carry out bathing chairs, beds and toilets. The transfer between the traditional bathing chairs is poor in mobility and the posture is fixed and single, which greatly increases the labor intensity of the nursing staff and causes lumbar muscle strain of the nursing staff. Although the bathing bed can be moved flexibly, it is not suitable for general The volume is too large for the family bathroom, but it is not convenient to move.

Utility model content

The purpose of the utility model is to provide a multifunctional bathing chair which is convenient for patients to use and relieves the burden of nursing staff 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 bathing chair, comprising a seat base, a backrest connected to the back of the seat base, armrests connected to both sides of the seat base, an extension plate arranged in front of the seat base, and supporting legs arranged under the seat base, One end is hinged to both sides of the back of the seat base, a walking wheel is arranged next to the hinge and hinged on the support leg, and the other end of the support leg is hinged to an H-shaped underframe, and a load wheel is arranged below the H-shaped underframe.

The H-shaped underframe is a telescopic and detachable underframe, including a front underframe, a rear underframe, an underframe cross bar and fixing bolts, the underframe cross bar is welded with the front underframe, and the rear underframe It can be telescopic relative to the front underframe, and the rear underframe has equidistant adjustment positioning holes.

A stabilizer bar is hinged between the seat base and the H-shaped underframe, and a four-bar mechanism is formed between the support legs, the seat base, the H-shaped underframe and the stabilizer bar.

A pair of electric push rods are hinged between the supporting legs and the H-shaped underframe, and the battery of the electric push rods is fixedly arranged on the cross bar of the underframe.

An opening is provided in the middle of the seat base, and a slot is provided at the lower part of the opening of the seat base.

The extension board is connected to the seat base through an angle adjustment mechanism and a drawing mechanism, wherein the angle adjustment mechanism is fixedly connected to the drawing mechanism.

The angle adjustment mechanism is composed of a gear, a gear shaft, a torsion spring, a locking tooth bar, and a cage. The gear is fixedly connected to the gear shaft, and the gear shaft is rotatably arranged inside the cage. The rear end of the extension plate is fixedly connected to the gear shaft, and the locking tooth bar meshed with the gear is rotatably connected to the cage, and a torsion spring is arranged on the cage, and the pulling mechanism is a dovetail groove guide mechanism, wherein, The outer guide rail is fixedly connected to the inner side of the seat base, and the inner guide rail is fixedly connected to the angle adjustment mechanism.

The backrest is connected to the base through a recliner, and the recliner is composed of left and right parts, and the left part is composed of a left long fixed plate, a left short fixed plate, a large wheel for adjusting angle, a turbine plane spring, a short tooth bar, Angle adjustment handle and return spring, in which, the angle adjustment large wheel is riveted with the left long fixed plate, and is socketed with the protruding shaft on the left short fixed plate, and the turbine plane spring is sleeved on the protruded shaft, and the end buckles the left long fixed plate The locking button on the top, the short tooth bar is hinged on the left short fixed plate, one side of which is engaged with the angle adjustment wheel, and the other side is stuck with the end of the angle adjustment handle, and the connection between the fixed plate and the angle adjustment handle returns Spring, right part comprises right long fixed plate, right short fixed plate and turbine planar spring, left and right long fixed plates are all fixedly connected with backrest, left and right short fixed plates are all fixedly connected with seat base inner side.

There are positioning flower holes on the armrest, the front of the armrest is fixedly connected with a knee pillow, and the armrest is hinged to the base, wherein the hinge axis between the two is a stepped axis, and the armrest mechanism and the backrest are connected through a linkage mechanism. connect.

The linkage mechanism includes a long tube passing through the interior of the backrest, and a telescopic linkage claw penetrating into the long tube, wherein two ends of the long tube are provided with raceway-shaped slots, and one end of the linkage claw is fixed with a pin to limit it to The other end of the linkage claw is provided with an anti-off mechanism, and the anti-off mechanism includes a bolt fixedly connected with the linkage claw, and a blocking piece sleeved on the bolt.

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

The multifunctional bathing chair of the utility model has the function of height adjustment, and the height of the bathing chair can be adjusted by an electric push rod to meet different requirements. The waist injury caused by the waist, when going to the toilet, adjust the height to adapt to the height of the toilet, and dock with the toilet to go to the toilet. Preferably, a bedpan slot is provided under the seat base, and further, the bottom frame of the bathing chair It has a retractable function, which can adjust the extension length of the bottom frame according to patients with different weights to ensure the stability of the bath chair. The bath chair also has an adjustable backrest angle function and a selective linkage function of the armrest. Putting it on the knee pillow, the buttocks are lifted off the seat base, which is convenient for nursing staff to help patients, especially obese patients, take off their clothes before bathing. Preferably, the bathing chair has an extendable extension board. By adjusting the extension length, And adjust the angle of the backrest to make the patient bathe in a comfortable position. Preferably, when a rest is required, the backrest can be laid flat at 180 degrees for rest. Further, when no bathing is required, it can be installed on the back of the supporting leg of the bathing chair to quickly The disassembled walking wheels go out, and the walking wheels can be selected differently for patients with different conditions. Patients with quadriplegia can choose ordinary large wheels, and patients with only lower limb impairments can choose self-propelled wheels, which can exercise the upper limbs of patients and slow down muscle atrophy. Compared with the small wheel, the walking wheel has improved obstacle-surmounting ability and is convenient for outdoor travel.

Description of drawings

Shown in Fig. 1 is the structural representation of multifunctional bathing chair of the present utility model;

Figure 2 is a schematic diagram of the initial posture of the multifunctional bathing chair shown in the present invention before bathing;

Figure 3 is a schematic diagram of the undressing posture of the multifunctional bathing chair shown in the utility model before bathing;

Figure 4 is a schematic diagram of the bathing posture of the multifunctional bathing chair shown in the present invention;

Figure 5 is a side view from another angle shown in Figure 4;

Figure 6 is a schematic diagram showing the travel of the multifunctional bathing chair of the present invention;

Figure 7 shows a schematic diagram of the structure of the angle adjuster;

Figure 8 shows a schematic structural view of the armrest linkage mechanism;

Figure 9 is a schematic diagram of the structure of the angle adjustment mechanism;

Figure 10 is a schematic diagram of the structure of the pulling mechanism;

Figure 11 shows a schematic diagram of the connection of the H-shaped chassis;

Figure 12 shows a schematic diagram of the pedal structure;

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.

As shown in Figures 1-7, the multifunctional bathing chair of the present invention includes a retractable and detachable H-shaped chassis 16, a loading wheel 125 arranged below the H-shaped chassis, and a wheel 125 arranged in front of the H-shaped chassis. Angle-adjustable pedal 121, and one end is hinged on the H-shaped underframe 16, the other end is hinged on the support leg 18 and the stabilizer bar 10 at the rear of the seat base 19, and a pair of electric push rods 115 are respectively hinged on the H-shaped chassis. Between the underframe and the support legs 18, an extendable and angle-adjustable extension plate 127 is arranged in front of the seat base, and a pair of armrests 17 with optional linkage mechanisms are hinged on both sides of the seat base 19, and are connected with the seat base. The chair base is connected with an angle-adjustable backrest 13, is arranged on a height-adjustable headrest 11 above the backrest, and is provided with quick dismountable walking wheels 14 at the supporting leg rear.

Specifically, the multifunctional bathing chair of the present invention includes bathing, toileting and travel functions. In order to realize the auxiliary bathing function, the patient's clothes must first be taken off. Patients with paralysis of the lower limbs often have symptoms of incontinence, so undressing on the bed is easy to dirty the bed quilt. The multifunctional bathing chair of the present invention provides a A pattern of undressing before a bath, as shown in Figure 3.

Preferably, a recliner 112 is provided between the backrest 13 and the seat base 19, the recliner is a manual recliner, and the recliner is composed of left and right parts, as shown in Figure 7, the left part consists of The left long fixed plate 1121, the left short fixed plate 1127, the large angle adjustment wheel 1126, the turbine plane spring 1125, the short tooth bar 1122, the angle adjustment handle 1123 and the return spring 1124 are composed of, wherein, the angle adjustment large wheel and the left long fixed plate Interference riveting, the right part is only composed of the right long fixing plate 1131, the right short fixing plate 1137 and the turbine plane spring 1135, and the ends of the protruding shafts on the left and right short fixing plates are all resisted by washers and nuts (not shown in the figure) Turbine plane springs prevent it from coming out of the protruding shaft. The left and right long fixing plates are fixedly connected with the backrest, and the left and right short fixing plates are fixedly connected with the inner side of the base. To realize the angle adjustment function, for the left part, pull up the angle adjustment handle 1123, so that the convex end of the angle adjustment handle is out of the locked state with the short tooth bar 1122. At this time, the short tooth bar is out of engagement with the angle adjustment wheel 1126, adjust the backrest to the desired angle position, loosen the angle adjustment handle, and return The position spring pulls back the angle handle to realize locking, and the turbo plane spring plays the role of automatic return of the backrest.

In order to realize the selective linkage of the armrest 17, a linkage mechanism 15 is provided between the backrest 13 and the armrest, as shown in Figure 8. Specifically, the linkage claw 1503 is pulled out from the slot on the side of the backrest to the outside. One end of the claw is inserted into the long tube 1502, and the positioning pin 1501 is used to limit the movement of the connecting claw insertion part in the slot. Butt with the positioning flower hole on the handrail 17, push into the positioning flower hole on the handrail, in order to prevent the linkage claw from getting off the handrail, rotate the block 1505 at the end of the linkage claw to lock the handrail, as shown in Figure 3, this posture is for the patient In the undressing mode before bathing, the armrest is lifted up relative to the seat base 19, and the backrest is tilted backward. The patient sits on the bathing chair, and the back of the knee just rests on the knee pillow 172 fixedly connected with the armrest, and the knee pillow is hinged to overlap. The leg plate 119, the calf rests on the leg plate, and the leg plate rests on the extension plate 127. In order to reduce the burden on the patient’s knee, the patient’s buttocks leave the base and hang in the air, which is convenient for the patient to take off his trousers , greatly reducing the labor intensity of nursing staff moving patients.

Preferably, in order to meet the patient's bathing requirements, an extension plate 127 with adjustable length and adjustable angle is provided in front of the seat base 19, and one end of the extension plate is connected to an angle adjustment mechanism 128, as shown in Figure 9 As shown, the angle adjustment mechanism includes a gear 1287, a gear shaft 1289, a torsion spring 1285, a locking tooth bar 1283 and a cage 1281, wherein the angle adjustment mechanism 128 is only arranged on one side of the rear part of the extension plate, and the rear part of the extension plate The other side is connected to the structure consisting of only the cage and the shaft hinged with the cage. The shaft is interference-fitted with the rear part of the extension plate. For the side of the angle adjustment mechanism, preferably, the extension plate and the angle adjustment The gear shaft 1289 on the mechanism has an interference fit, and the gear shaft 1289 and the gear 1287 have an interference fit. By turning the locking tooth bar 1283 upward to disengage from the gear 1287, the extension plate can rotate together with the gear shaft and adjust to a suitable angle. After that, the locking tooth bar is released, and due to the action of the torsion spring 1285, the locking tooth bar and the gear are re-engaged and locked, that is, the angle of the extension plate is locked. Further, the seat base is provided with a pulling mechanism 130, such as As shown in Figure 10, the drawing mechanism is composed of an outer guide rail 1302, an inner guide rail 1301, and a reinforcing tube 1305. One end of the inner guide rail 1301 is welded to the cage 1281 of the angle adjustment mechanism, and limit stops are arranged on the inner and outer guide rails to prevent derailment. The cooperation of the adjustment mechanism and the pull mechanism can realize the adjustment of the extension length and angle of the extension plate, so that patients, especially those with bad knees, can stretch their legs well when taking a bath to reduce the burden on the knees and achieve More comfortable bathing effect.

Further, adjust the recliner 112 to adjust the backrest 13 to a suitable angle, so that patients, especially those with severe spinal disorders, are more comfortable when taking a bath, and the backrest can be laid flat at the same time, and can lie flat for rest. Preferably, the seat The design of the seat in the middle of the base 19 is slightly wider, which is convenient for the nursing staff to help the patient take a bath, and at the same time, an operating space is reserved for the angle adjustment handle of the recliner. Considering that the ground is smooth during bathing, the loading wheel 125 below the H-shaped underframe 16 is set to Lockable universal wheels ensure safety.

In order to maintain the stability of the posture of the bathing chair, as shown in Figure 5, a four-bar mechanism is provided below the seat base 19, which consists of an H-shaped underframe 16, supporting legs 18, stabilizing bars 10 and seat base 19. Specifically, one end of the support leg and the stabilizer bar are respectively hinged at two positions on the underframe, and the other ends are respectively hinged at two positions at the rear of the seat base. The support leg supports the seat base, and the stabilizer bar serves as a pull The role of holding the seat base to prevent it from rotating downwards. Preferably, the center lengths of the supporting legs and the stabilizer bar are equal, and the distances between the above two pairs of positions are equal, that is, the four-bar mechanism is a parallelogram structure, wherein the above-mentioned four-bar mechanism is set The purpose of forming a parallelogram structure is to ensure that the seat base only moves in translation during the lifting process. The two pairs of positions can also be set as a four-bar mechanism with unequal distances, so that the distance between the two positions on the seat base is slightly If it is greater than the distance between the two positions on the bottom frame, it can ensure that the seat base is slightly tilted upward at a certain angle when the seat base is raised, so as to prevent the patient from sliding down from the chair.

In order to realize the lifting of the height of the bathing chair, as shown in Figure 2 and Figure 3, a pair of electric push rods 115 are arranged between the supporting legs 18 and the H-shaped chassis 16, the bottom of the electric push rods are hinged on both sides of the chassis, and the upper ends are hinged On the supporting legs, the battery 117 is placed on the cross bar 1603 of the chassis, and the height of the bathing chair is controlled by driving the electric push rod to adapt to the height of the nursing staff, so as to prevent the nursing staff from bending over for a long time when bathing the patient. waist injury.

In order to further ensure the stability of the bathing chair, preferably, the underframe is set to a retractable and detachable H-shaped underframe 16, as shown in Figures 5 and 11, the H-shaped underframe includes a front underframe 1601, a rear underframe 1602 and the bottom frame cross bar 1603, the rear bottom frame can be stretched in the front bottom frame through the adjustment positioning holes at equal intervals on it, and the extension length of the rear bottom frame can be adjusted according to the different postures of the bathing chair and the patients with different weights, so as to achieve bathing comfort. stability of the chair.

Considering that patients with paralysis of the lower extremities cannot take care of themselves, the seat base 19 is designed to have an opening in the middle, and a bedpan slot is provided under the seat plate, and an arch for inserting a bedpan is left at the bottom of the backrest 13. Under normal circumstances, push the bathing chair to the side of the toilet, adjust the height of the bathing chair and the angle of the backrest so that it can directly dock with the toilet to go to the toilet, saving time and effort, preferably between the patient and the backrest A belt (not shown) is provided to maintain the patient's body balance when going to the toilet and increase safety.

Preferably, in order to expand functions and adapt to different patients and use environments, the bathing chair can be switched between bathing and traveling. Specifically, as shown in FIG. The walking wheel 14 of dismounting, walking wheel can be selected different big wheel for use according to different patients, only need to install common big wheel for paraplegia patient, nursing staff pushes chair to go out, for the patient that upper limb has mobility, can select self-propelled wheel for use, Can exercise patient's upper limb muscle, slow down muscular atrophy, further, the pedal 121 that can carry out posture adjustment is provided with at the front of H-shaped chassis 16, as shown in Figure 12, pedal is composed of fixed rod 1218, T-shaped seat 1215, pedal 1211, composed of eye bolts 1217, the fixed rod is connected to the front of the H-shaped base frame by welding or sliding connection, the fixed rod and the T-shaped seat are screwed together and tightened, according to the conditions of different patients, loosen the eye bolts 1217, and adjust the pedal 1211 to a comfortable position angle, then retighten the eyebolts to secure.

Further, when it is necessary to travel, by properly adjusting the height of the seat base 19, the distance from the center of the axis hole where the walking wheel is installed at the rear of the supporting leg 18 to the ground is consistent with the wheel diameter of the walking wheel, that is, the loading wheel and the walking wheel are at the same time. Landing on the ground, then install the running wheels 14, preferably, as shown in Figure 11, the front underframe 1601 and the rear underframe 1602 of the H-shaped underframe have the same cross-sectional shape of the butt ends, and can be turned over by loosening the eyebolt 1604 Re-join the rear underframe with the front underframe at 180 degrees, push the rear underframe into the front underframe to the limit position and fix it with eyebolts, that is, the rear load wheel faces upwards, which does not affect the movement of the road wheels, and can also be used directly when traveling. Rear underframe is unloaded, and when going out, put cushion (not shown in the figure) on the seat base, this moment, bathing chair can serve as wheelchair and go out and use.

To sum up, the multifunctional bathing chair of the present invention has a height-adjustable function. The height of the bathing chair can be adjusted by an electric push rod to meet different needs. The waist injury caused by the nursing staff bending over for a long time, such as when going to the toilet, adjust the height to adapt to the height of the toilet, and dock with the toilet to go to the toilet. Preferably, a bedpan slot is provided under the seat base. Further, The bottom frame of the bath chair has a retractable function, which can adjust the length of the bottom frame according to patients with different weights to ensure the stability of the bath chair. The bath chair also has the function of adjustable backrest angle and selective linkage function of armrests. , so that the back of the patient's knee rests on the knee pillow, and the buttocks are lifted off the seat base, which is convenient for the nurse to help the patient, especially the obese patient, to undress before taking a bath. Preferably, the bathing chair has an extendable extension board, through Adjust the extension length, and adjust the backrest angle to make the patient take a bath in a comfortable position. Preferably, when a rest is required, the backrest can be laid flat at 180 degrees for rest. Further, when bathing is not required, the backrest can be placed behind the supporting legs of the bathing chair The walking wheels that can be quickly disassembled are installed on the top to go out. The walking wheels can be selected differently for patients with different conditions. Patients with quadriplegia can choose ordinary large wheels. For patients with only lower limb obstacles, self-propelled wheels can be used to exercise the upper limbs , to slow down muscle atrophy. Compared with small wheels, the walking wheel has improved obstacle-surmounting ability, which is convenient for outdoor travel.

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 kind of multifunctional bathing chair, including seat base, backrest is connected on rear side of seat base, the both sides of seat base connect It is connected to handrail, it is characterised in that：It is provided with extension board in front of seat base, support leg, one end is provided below in seat base Both sides behind seat base are articulated with, being provided with traveling wheel beside the hinged place is hinged on support leg, the support leg other end It is hinged with H-type chassis, load wheel is provided with below the H-type chassis.

2. multifunctional bathing chair as described in claim 1, which is characterized in that the H-type chassis is scalable and detachable Chassis, including preceding chassis, rear chassis, chassis cross bar and tight fixed bolt, the chassis cross bar and preceding welding of underframe, rear chassis Can relatively before chassis it is flexible, have on rear chassis and adjust location hole at equal intervals.

3. multifunctional bathing chair as described in claim 1, which is characterized in that between the seat base and H-type chassis A hinged stabiliser bar, four-bar mechanism is constituted between the support leg and seat base, H-type chassis and stabiliser bar.

4. multifunctional bathing chair as described in claim 1, which is characterized in that cut with scissors between the support leg and H-type chassis A pair of of electric pushrod is connect, the battery of the electric pushrod is fixed on chassis cross bar.

5. multifunctional bathing chair as described in claim 1, which is characterized in that opening is provided among the seat base, The lower part of seat base opening is provided with slot.

6. multifunctional bathing chair as described in claim 1, which is characterized in that pass through between the extension board and seat base Angle adjusting mechanism is connected with pull-out mechanism, and the angle adjusting mechanism is fixedly connected with pull-out mechanism.

7. multifunctional bathing chair as claimed in claim 6, which is characterized in that the angle adjusting mechanism is by gear, gear Axis, torque spring, locking gear rack, retainer composition, the gear are fixedly connected with gear shaft, and the gear shaft is rotatable Ground is arranged inside retainer, and the extension board rear end is fixedly connected with gear shaft, the locking gear rack engaged with the gear It being rotatably connected on retainer, torque spring is provided on retainer, the pull-out mechanism is dovetail groove guide rail mechanism, In, outer guide is fixedly connected on the inside of seat base, and interior guide rail is fixedly connected with angle adjusting mechanism.

8. multifunctional bathing chair as described in claim 1, which is characterized in that the backrest passes through recliner and seat base Connection, the recliner are made of left and right two parts, and left part is put down by left long fixed plate, left short fixed plate, angle modulation bull wheel, turbine Diaphragm flexures, short gear rack, angle modulation handle and return spring composition, wherein angle modulation bull wheel is riveted with left long fixed plate, short solid with a left side The convex axis socket of fixed board, for turbine plane spring pocket in protruding shaft, end clasps the locking button in left long fixed plate, and short gear rack is hinged In in left short fixed plate, one side is engaged with angle modulation bull wheel, and the other side is blocked with angle modulation handle end, fixed plate and angle modulation handle Between connect return spring, right part includes that right long fixed plate, right short fixed plate and turbine plane spring, the long fixed plate in left and right are equal It is fixedly connected with backrest, the short fixed plate in left and right is fixedly connected with seat base inside.

9. multifunctional bathing chair as described in claim 1, which is characterized in that be provided with positioning flower hole, handrail on the handrail Front is rested the head on after being fixedly connected with knee, and pillow front end, which is hinged with, after the knee takes leg plate, and handrail is hinged with seat base, wherein two Hinge axis between person is multi-diameter shaft, is connected by linkage mechanism between handrail and the backrest.

10. multifunctional bathing chair as claimed in claim 9, which is characterized in that the linkage mechanism includes in backrest The long tube in portion, and penetrate the scalable linkage pawl in long tube, wherein racetrack fluting is provided on long tube both ends, link pawl One end with pin fixation be limited in fluting range in move, the linkage pawl other end is provided with escapement, institute The escapement stated includes the bolt being fixedly connected with linkage pawl and the catch being sleeved on bolt.