CN104814839B - Mobile chair - Google Patents

Abstract

Mobile chair, it is a kind of care implement, technical solution includes chair frame, seat board, seat board is equipped with sitting toilet hole, there is wheel below chair frame, and chair frame is three-sides-square shape frame frame, there is turntable between chair frame and seat board, three-sides-square shape frame frame openend is equipped with perpendicular support, and lifter, backrest and handrail are housed below chair frame is flexibly connected with chair frame or with seat board.The present invention can help the convenient bunk bed of the person of receiving aid, and easy to use, safe, durable, be highly suitable for nursing handicapped old man, disabled person, patient leave the bed, indoors outside it is movable, have a bath, go to toilet etc. it is very convenient to use.

Description

moving chair

technical field

The invention relates to a mobile chair, which is a mobile tool for transporting handicapped people to and from the bed and having the function of a toilet.

Background technique

Many people with limited mobility have difficulty getting in and out of bed. They need help when transferring from the bed to the wheelchair, and from the wheelchair to the bed. It is time-consuming and labor-intensive for the caregiver to help complete this transposition, especially for the recipients who are heavy, Being overweight not only requires the caregiver to exert a lot of physical strength, but also has the danger of the recipient accidentally falling when moving up and down the bed. Therefore, many people with mobility problems have difficulties in transferring between beds and chairs even though they have cars and wheelchairs. , but can not often enjoy the joy of indoor and outdoor activities, especially bathing, going to the toilet, and have to overcome the difficulties of getting in and out of bed every day. The existing equipment for picking up and sending the recipients to get on and off the bed has a large volume, a complex structure, and is inconvenient to use.

Contents of the invention

The purpose of the present invention is to provide a mobile chair, which can help the recipient to get on and off the bed safely and labor-savingly, to move inside and outside conveniently, and to be used conveniently with the toilet.

The technical scheme of the invention relates to three basic structures of chairs and their subordinate structures. The basic structure of the first type of chair includes 2 schemes:

The 1st plan: move chair, have chair frame, seat plate, backrest are housed above the chair frame, wheel is equipped with below the chair frame, it is characterized in that: described chair frame, its two sides are the U-shaped frame of opening backward The upper frames of the two U-shaped frames with openings facing backward are fixedly connected with the seat board, the lower end of the backrest is connected with the chair frame in rotation, and the backrest is straight with the seat board after being rotated, and a toilet hole is arranged on the board surface.

The second scheme: the above-mentioned mobile chair is equipped with armrests on both sides of the chair frame, and the two ends of the armrests on each side are respectively connected with the chair frame and the backrest, and one of the connecting ends is a rotating connection, and the other connecting end is a movable plug. .

The basic structure of the second chair includes 6 schemes: (the following serial numbers are arranged consecutively)

The 3rd plan: move chair, have chair frame, seat plate is housed above the chair frame, wheel is equipped with below the chair frame, it is characterized in that: two sides of chair frame are the U-shaped frame of back opening, two of U-shaped frame The upper frame is connected by a beam, and the two lower frames of the 匚-shaped frame are independent from each other. A toilet hole is arranged on the seat plate, and a turntable is installed between the seat plate and the chair frame.

The 4th scheme: be on the basis of the 3rd scheme mobile chair, its chair frame or seat plate are equipped with movably connected backrest and movably connected armrest, and a limiting device is provided between the backrest and the chair frame or seat plate.

The 5th plan: move chair, have chair frame, seat board is housed above the chair frame, wheel is equipped with below the chair frame, it is characterized in that: two sides of chair frame are the U-shaped frame of rear opening, two of U-shaped frame The upper frame is connected by a beam, the two lower frames of the 匚-shaped frame are independent of each other, the seat plate is provided with a toilet hole, the chair frame or the seat plate is equipped with a backrest and an armrest that are movably connected, and the backrest and the chair frame or A limit device is arranged between the seat boards.

The 6th scheme: on the basis of the mobile chair described in the 4th scheme or the 5th scheme, the added feature is: the backrest is connected to the chair frame or the seat board in rotation, and the rotation range of the backrest is 180 degrees.

The 7th plan: on the basis of the mobile chair described in the 6th plan, the increase feature is: the two ends of the armrest are connected with the backrest and the chair frame in rotation or connected with the backrest and the seat plate in rotation, and the rotation range of the armrest is 180 degrees.

The eighth plan: on the basis of the mobile chair described in the sixth plan, the additional features are: the two ends of the armrest are connected with the backrest and the chair frame or connected with the backrest and the seat board, and in the connection structure between the two ends of the armrest and the corresponding end, there is one end It is a detachable fixed connection, and the other end is a rotating connection with a rotation range of 180 degrees.

The basic structure of the third chair includes 7 schemes:

The 9th plan: move the chair, including the chair frame, the seat plate, and the seat plate is provided with a toilet hole. It is characterized in that: the chair frame is composed of a U-shaped frame and a vertical bracket. The frame is hinged, and the other end of the vertical support is in active contact with the frame when it is in an upright state.

The tenth plan: on the basis of the mobile chair described in the ninth plan, the additional features are: a lifter is installed below the chair frame, the movable push rod at the upper end of the lifter is connected with the U-shaped frame of the chair frame, and the chassis at the lower end of the lifter It is equipped with casters.

The 11th scheme: on the basis of the mobile chair described in the 9th scheme, the increase feature is that the lower end of the chair frame is equipped with wheels.

The 12th scheme: on the basis of the mobile chair described in the 9th, 10th or 11th scheme, the increase feature is: a rotating disk is housed between the seat plate and the 匚-shaped frame.

The thirteenth scheme: on the basis of the mobile chair described in the 9th, 10th or 11th scheme, the added feature is: the backrest and the armrest are movably connected with the chair frame.

The 14th scheme: on the basis of the mobile chair described in the 12th, the added feature is: the backrest and the armrest are movably connected with the seat board.

The 15th plan: on the basis of the mobile chair described in the 9th or 11th plan, the added feature is: the upper end of the vertical support is connected to the upper end of the 匚-shaped frame in rotation, the vertical support is equipped with a supporting plate, and the vertical support rotates in the 匚-shaped frame , the supporting plate is opposite to the toilet seat hole.

When the mobile chair of the present invention moves to the bed surface, the seat plate of the chair can be extended to the bed surface by utilizing the characteristics of the 匚-shaped frame, the lower end of the chair frame can be inserted under the bed, and the backrest and armrest can be movably connected or disconnected from the connecting end. It can be placed flat or detached from the bed surface, so that there is no obstacle between the seat board and the bed surface; since the height difference between the seat board and the bed surface is small, the recipient can change positions between the bed and the chair by moving the body or turning over. Resetting the backrest and armrests and moving the chair can help the recipient get on and off the bed conveniently; during the transposition process, the recipient's body is not directly subjected to external forces such as pulling and lifting, and at the same time, the fatigue of the caregiver is reduced.

Because the opening at the back of the chair frame is free of obstacles, the chair legs at the lower end of the chair frame can be inserted into both sides of the toilet. Since the backrest has a soft back surface that moves forward and deforms, the back mullion can enter the upper cover of the toilet and both sides of the water tank, so that the soft back surface is closely attached to the upper cover standing in front of the water tank of the toilet, which can reduce the The obstacle of the backrest makes the toilet seat hole of the mobile chair overlap with the toilet seat hole of the existing toilet.

Since the backrest and armrests can rotate within 180 degrees, when the chair is not in use, turn the backrest 180 degrees downward to get closer to the chair frame, and the armrests can rotate 180 degrees downward with the backrest to stick to both sides of the chair frame. Turning to the inside of the chair frame, the shape is regular after being folded, saving space, easy to decorate, and more elegant than traditional toilet chairs when stored indoors.

The invention uses a lifter to adjust the height of the chair frame, which is suitable for beds of different heights; the vertical bracket is movably connected with the U-shaped frame, and the vertical bracket can be rotated to open the opening of the U-shaped frame to meet the needs of the seat board entering the bed surface Reset when leaving the bed surface, support the opening end of the U-shaped frame, reduce the bending force on the U-shaped frame, improve the safety of the chair frame, use durability, and reduce production costs. In addition, the turntable of the present invention can make the seat plate turn to the direction where the recipient can change positions conveniently, and can reduce the movement of the body. As a nursing tool, the mobile chair can provide safe and labor-saving assistance for people with disabilities to get on and off the bed, move indoors and outdoors, go to the toilet, take a bath, and the like.

Description of drawings

Fig. 1 is a schematic structural view of a mobile chair according to Embodiment 1 of the present invention.

FIG. 2 is a schematic perspective view of FIG. 1 .

Fig. 3 is a schematic diagram of a straight state of the backrest and the seat board.

Fig. 4 is a schematic diagram of the folded state of the mobile chair.

Fig. 5 is a schematic structural view of the mobile chair according to Embodiment 2 of the present invention.

Fig. 6 is a structural schematic diagram of a turntable installed between the seat board and the chair frame.

FIG. 7 is a bottom view of FIG. 6 .

Fig. 8, 9, 10 are backrest, chair frame, seat plate, handrail connection relation schematic diagram.

Fig. 11 is a state view of the mobile chair of the present invention turning 90 degrees.

Fig. 12 is a schematic diagram of the flat state of the backrest and armrests of the mobile chair according to the present invention.

Fig. 13 is a schematic diagram of the simplified structure of the mobile chair of the present invention.

FIG. 14 is a perspective view of FIG. 13 .

Figures 15, 16 and 17 are diagrams showing the folding state of the mobile chair of the present invention.

Fig. 18 is a schematic structural view of the mobile chair according to Embodiment 3 of the present invention.

Fig. 19 is a schematic structural view of the present invention with a screw lifter installed on the chair frame.

Fig. 20 is a schematic structural view of the present invention with a pneumatic lifter installed on the chair frame.

Fig. 21 is a schematic diagram of the vertical support falling to the horizontal direction on the chair frame.

Figures 22, 23 and 24 are perspective views of the mobile chair of the present invention.

In the figure, 1 pedal, 2 connecting rod, 3 clip, 4 chair frame, 5 seat plate, 6 pin shaft and pin hole, 7 armrest, 8 pin shaft and pin hole, 9 backrest, 10 shaft rod and shaft hole, 11 U-shaped frame with opening backwards, 12 wheels, 13 seat hole, 14 limit device, 15 two upper frames, 16 turntable, 17 two lower frames, 18 soft back surface, 19 backrest mullion, 20 cards block, 21 card slot, 22 vertical bracket, 23 lock pin, 24 bracket pallet, 25 hinge shaft, 26 lifter, 27 lifter chassis, 28 casters, 29 movable ejector rod, 30 connecting rod, 31 pallet, 32 Hand pressure bar, 33 control pins, 34 bedpan support plates.

Detailed ways

Example 1

The present invention moves chair, has chair frame 4, and seat board 5, backrest 9 are housed above the chair frame, and wheel 12 is housed below the chair frame 4. The two sides of the chair frame 4 are U-shaped frames 11 with openings facing backwards, and the upper frames of the two U-shaped frames with openings facing backwards are connected by cross beams. Seat plate 5 is installed on the chair frame 4, and seat plate has two kinds, and a kind of is common plane seat plate, and another kind is the seat plate with toilet seat hole 13. Backrest 9 has frame and the cloth back surface that is connected with frame, also can be various hard common backrests. The cloth backing has a certain degree of looseness. The lower end of the backrest 9 and the chair frame 4 are provided with a matching shaft rod and an axle hole 10, and the backrest and the chair frame are rotatably connected by the shaft and the hole. Stand upright on the chair frame before the backrest turns, and parallel to the seat board after the backrest turns. The present invention is equipped with armrest 7 on the chair frame 4, and armrest and chair frame are provided with matching bearing pin and pin hole 6, and armrest and chair frame are axle, hole rotation connection or movable insertion. The armrest and the backrest are provided with matching pin shafts and pin holes 8, and the armrest and the backrest are pivotally connected or movably plugged in by the shaft and the backrest. When the armrest is connected to the chair frame and the backrest, no matter at the connecting end of the chair frame or the connecting end of the backrest, one end should be movable for easy separation. The present invention also can not establish fixed handrail on chair frame 4, can reduce the obstacle of getting on and off the bed, can replace handrail as using safety belt. The chair frame in front of the mobile chair is covered with a clamp 3, which can rotate on the chair frame, the upper end of the connecting rod 2 is hinged with the clamp 3, the connecting rod 2 is connected with the pedal 1 through the pedal shaft, and the pedal Plate 1 can rotate 90 degrees on the pedal shaft.

When in use, push the chair to move the chair to the side of the bed, select a suitable position and continue to push, the chair legs under the chair frame enter under the bed, the seat board moves to the bed, and then disconnect the armrest from the backrest or the chair frame , so that the backrest and armrests turn flat on the bed. With the help of the caregiver, the recipient on the bed moves and lies on the side beside the bed, which is also next to the seat board. Then, with the assistance of two arms, the legs turn down the bed, the side of the upper body turns upward, and the buttocks sit on the seat board; Or move the body to the seat board and then sit up. After the backrest and armrests are reset, push and move the chair to take the recipient out of the bed. When the recipient needs to go to bed, with the help of the nurse, the recipient's body leans to one side of the seat board, and the center of gravity of the body leaves the seat board and turns to the bed, and then the legs are easily moved to the bed, and then translated to Can leave the seat panel. The mobile chair of the present invention can help the recipient to get on and off the bed, which is labor-saving, safe and very convenient.

Recipients can go to the toilet by sitting on a mobile chair with a toilet hole, the chair legs can enter both sides of the toilet, the seat board can enter the top of the toilet, and the frames on both sides of the backrest are also on both sides of the toilet , the cloth surface of the backrest is in contact with the upright cover of the toilet. When the chair is further adjusted to move the front and rear positions, the softness and looseness of the cloth surface can reduce the obstruction of the toilet cover and the position of the water tank, save the matching space, and provide Alignment of upper and lower toilet holes is possible. When the mobile chair is not in use, the backrest and armrests are turned downwards to get close to the chair frame, and the foot pedals can be turned into the chair frame, with a regular and elegant appearance.

Example 2

The mobile chair of the present invention has a chair frame 4, a seat plate 5 is housed above the chair frame, wheels 12 are housed below the chair frame, two sides of the chair frame are a U-shaped frame 11 with rear openings, and two upper frames 15 of the U-shaped frame Connected by crossbeams, the two lower frames 17 of the U-shaped frame are independent of each other, so that the upper frame is closed horizontally, the lower frame is horizontally open, and the left and right frame are open. The top of the chair frame is fixedly connected with the seat plate, and the seat plate is provided with a toilet seat hole 13 . Another embodiment of the present invention is that a turntable 16 is installed between the chair frame and the seat plate, the chair frame and the seat plate are connected through the turntable, the turntable is circular, the turntable is fixed on the outer ring of the toilet hole, and the fixed plate of the turntable is connected with the Shaped frame connection, the movable disk of the turntable is connected with the seat plate, and the turntable is a commercially available commodity.

A movably connected backrest 9 is arranged on the chair frame or seat plate, and a soft back surface 18 is housed in the mullion 19 of the backrest. The soft back surface has a certain degree of looseness, which can be deformed forward and backward under force, protruding from the mullion. The movably connected backrest can be detachably plugged, rotatably connected, or both sides of the backrest are connected to the chair frame or the seat board through movable armrests. Insertion means that there is an insertion rod at the lower end of the backrest, and a socket is provided on the chair frame or seat plate. Through the insertion, the backrest is installed on the chair frame or seat plate. The backrest is pulled out so that there is no obstacle behind the seat panel, the plugging operation is convenient, and the effect of eliminating the obstacle behind the seat panel is good. The backrest that is movably connected can also be connected by rotation. The lower end of the backrest is connected with the chair frame through the shaft hole, or the lower end of the backrest is connected with the seat board through the shaft hole. The backrest can rotate 180 degrees around the shaft. Limiting device 14, when the backrest is in the vertical state, the limiting device can lock the backrest and the chair frame or the seat board together, so as to limit the rotation of the backrest. The limiting device of the present embodiment is to set a block 20 on the mullion 19 of the backrest. The block can move up and down along the mullion and can rotate on the mullion. The block rotates and moves down into the card slot to position the backrest in a vertical state, and the block is unlocked when the block moves up and rotates away from the card slot. The backrest can be rotated about 90 degrees to fit the bed surface; both sides of the backrest are connected with the movable armrests, and can be rotated with the armrests, so that there is no obstacle behind the seat board.

The armrest 7 that is movably connected is housed on the chair frame or the seat plate, and the movably connected mode can have multiple, as the armrest that movably inserts, the armrest that rotates and connects or the armrest that connects and connects in conjunction with rotation. The plugging structure of the armrest has the same effect as the plugging structure of the backrest. The armrests connected by rotation are equipped with shafts on the seat plate or the chair frame, and the two ends of the armrests are provided with shaft holes. , the shaft hole at one end of the armrest rotates with the shaft of the seat plate or the chair frame, and the shaft hole at the other end of the armrest rotates with the shaft on the backrest. It is detachable, and the corners of the horizontal and vertical poles are formed by lapping on the armrest. The two ends of the armrest and the backrest can rotate within 180 degrees on the shaft. The combination of plugging and rotation is that the two ends of the armrest are connected with the backrest and the seat plate or with the backrest and the chair frame. The rods are connected with movable joints, and the handrail is composed of two sections of the handrails, which are hinged to form corners on the handrails. Disconnect the plug-in end of the handrail, and the handrail can rotate within 180 degrees on the shaft rod. The present invention can also use a safety belt to replace the handrail on the chair frame, and the connection method of the safety belt can be selected from the prior art. The movably connected armrests can stand upright on both sides of the seat board, and also can lie on the two sides of the seat board or leave the two sides of the seat board. The flexible connection of the backrest and the armrest can eliminate obstacles for the recipient to change positions between the bed and the seat board.

The present invention places a movable panel on the seat plate, and the movable panel is a flat plate covering the toilet seat hole. When using the seat plate with the toilet seat hole, the movable panel is removed. The chair frame in front of the mobile chair is covered with clips 3, the clips can rotate on the chair frame, the upper end of the connecting rod 2 is hinged with the clips, the connecting rod and the pedal 1 are connected by the pedal shaft, and the pedals can Turn 90 degrees on the pedal shaft. The handle of vehicle brake of the present invention, cart can be selected prior art for use.

During use, the seat plate can be rotated 90 degrees by the rotating disk, if it is not necessary to rotate, the rotating disk can be locked with a lock pin, and other operating procedures are substantially the same as in embodiment 1.

Example 3

The mobile chair structure in the present embodiment is: comprise chair frame 4, seat plate 5, seat plate is provided with toilet hole 13, wheel 12 is housed below the chair frame, chair frame is made up of 匚-shaped frame 11 and vertical support 22, The vertical support is at the open end of the U-shaped frame, one end of the vertical support is hinged with the U-shaped frame through the shaft hole, and the other end of the vertical support is in movable contact with the U-shaped frame. In this embodiment, the lower end of the vertical bracket is provided with a hinge shaft 25, and the lower frame of the U-shaped frame is provided with a bracket supporting plate 24, and the hinge shaft is hinged with the hinge hole on the bracket supporting plate. When the vertical bracket is in an upright state, the vertical The upper end of the support is in contact with the upper frame of the U-shaped frame to support the opening end of the U-shaped frame, and the lower end of the vertical support is positioned by the lock pin 23 . Another connection mode of the U-shaped frame 11 and the vertical support 22 is: the upper end of the vertical support is rotatably connected with the upper end of the U-shaped frame. The holes are opposite, and the supporting plate is covered under the toilet hole, so that the toilet hole is isolated from the bed surface. The supporting force of the vertical bracket can reduce the pressure acting on the 匚-shaped frame, especially the bending force, and improve the safety and durability of the chair frame. The upper frame of the U-shaped frame is on the bed surface, relying on the bed surface, the U-shaped frame is safe.

Another kind of structure of mobile chair of the present invention is: lifter 26 is housed below the chair frame, and described lifter is prior art, as spiral lifter, pneumatic lifter commonly used on the swivel chair, hydraulic lifter etc. The movable push rod 29 at the upper end of the lifter is fixedly connected with the chair frame 4 or is fixedly connected with the chair frame 4 through the connecting rod 30 . The chassis 27 of the lifter is equipped with castors 28, which are used to replace the wheels 12 installed below the chair frame. On the spiral lifter, the chair frame can be lifted and lowered, and on the pneumatic lifter and hydraulic lifter, the control pin 33 on the lifter can be pressed with the hand lever 32 to lift.

Other structures of the present invention include: a rotating disk 16 is housed between the seat board and the U-shaped frame, and the rotating disk can make the seat board rotate on the chair frame. When there is no need to rotate, the seat board and the chair frame are locked by a lock. The turntable rotates on the bed surface and can be turned to the direction where the recipient is convenient to change positions, reducing the recipient's body movement. Backrest 9 and armrest 7 are housed on the mobile chair, and on the mobile chair that does not adorn rotating disk, backrest and armrest are movably connected with chair frame. On the mobile chair equipped with a turntable, the backrest and armrests are movably connected with the seat board. Described movable connection is prior art articulation, plug joint, hook connection, fastening etc., through movable connection, backrest and armrest can stand on the position when in use, can lean on, can support, and when transposition, backrest And the armrest can be rotated to be flat on the bed surface or disassembled to leave the seat board and the chair frame. Bedpan supporting plate 34 is housed above the lower frame of 匚-shaped frame, and bedpan can be placed on the bedpan supporting plate during use, cooperates the toilet seat hole on the seat plate to use, also can use the mobile chair that does not have lifter, directly to toilet and seat. Use with the toilet.

Claims (13)

1. The mobile chair has a chair frame, a seat plate and a backrest are arranged on the chair frame, and wheels are arranged below the chair frame. The upper frame of a U-shaped frame with an opening facing the rear is fixedly connected with the seat board, and all the wheels are installed on the lower frame of the U-shaped frame, so that when the seat board of the chair extends to the bed surface, the lower end of the chair frame can be inserted under the bed, and the lower end of the backrest is connected with the seat board. The chair frame is rotatably connected, and the backrest is straight with the seat plate after being rotated, and a toilet seat hole is arranged on the plate surface. 2. The mobile chair according to claim 1, characterized in that: on the chair frame, armrests are installed on both sides, and the two ends of the armrest on each side are respectively connected with the chair frame and the backrest, one of the connecting ends is connected by rotation, and the other One connection end is an active plug. 3. The mobile chair has a chair frame, a seat plate is installed on the chair frame, and wheels are installed under the chair frame. Connected by beams, the two lower frames of the U-shaped frame are independent of each other, and the wheels are all installed on the lower frame of the U-shaped frame, so that when the chair seat board extends to the bed, the lower end of the chair frame can be inserted under the bed, and the seat board A toilet hole is arranged on the top, and a turntable is installed between the seat plate and the chair frame. 4. The mobile chair according to claim 3, characterized in that: a movably connected backrest and a movably connected armrest are installed on the chair frame or the seat plate, and a limiting device is provided between the backrest and the chair frame or the seat plate. 5. The mobile chair has a chair frame, a seat plate is installed on the chair frame, and wheels are installed under the chair frame. Connected by beams, the two lower frames of the U-shaped frame are independent of each other, and the wheels are all installed on the lower frame of the U-shaped frame, so that when the chair seat board extends to the bed, the lower end of the chair frame can be inserted under the bed, and the seat board A toilet seat hole is arranged on the chair frame or a seat plate, and a movably connected backrest and a movably connected armrest are arranged on the chair frame or the seat plate, and a limiting device is arranged between the backrest and the chair frame or the seat plate. 6. The mobile chair according to claim 4 or 5, characterized in that: the backrest is connected to the chair frame or the seat board in rotation, and the rotation range of the backrest is 180 degrees. 7. The mobile chair according to claim 6, characterized in that: both ends of the armrest are rotatably connected with the backrest and the chair frame or are rotatably connected with the backrest and the seat plate, and the rotation range of the armrest is 180 degrees. 8. The mobile chair according to claim 6, characterized in that: the two ends of the armrest are connected with the backrest and the chair frame or are connected with the backrest and the seat plate, and in the connection structure between the two ends of the armrest and the corresponding ends, one end is detachably fixed Connection, the other end is a rotating connection, the rotating range is 180 degrees. 9. The mobile chair includes a chair frame and a seat plate. There is a toilet hole on the seat plate. Wheels are installed under the chair frame. On the lower frame of the 匚-shaped frame, when the seat board of the chair extends to the bed surface, the lower end of the chair frame can be inserted under the bed. The chair frame is composed of a 匚-shaped frame and a vertical bracket. The frame is hinged, and the other end of the vertical support is in active contact with the frame when it is in an upright state. 10. The mobile chair according to claim 9, characterized in that: a turntable is installed between the seat plate and the U-shaped frame. 11. The mobile chair according to claim 9, wherein the backrest and the armrests are movably connected with the chair frame. 12. The mobile chair according to claim 10, wherein the backrest and the armrests are movably connected with the seat board. 13. The mobile chair according to claim 9, characterized in that: the upper end of the vertical support is rotatably connected with the upper end of the U-shaped frame, the vertical support is equipped with a supporting plate, when the vertical support rotates in the U-shaped frame, the supporting plate and the toilet hole relatively.