CN114451718A - Multifunctional special seat - Google Patents

Abstract

The invention discloses a multifunctional special seat, belonging to the technical field of seats. The multifunctional special seat comprises: a first supporting frame, a second supporting frame, a driving frame, a driving component and a third supporting frame. The rotational connection between the first support frame and the second support frame is driven by the drive assembly to change the shape of the device, from the original sitting type to the lying type, which is convenient for users to rest. , By moving the motion board for the maximum stroke distance until the first vertical board is in contact with the limit pin, the first connecting arm moves to the outside of the beam, and changes from the original horizontal to vertical, and presses against the beam, L-shaped support legs Supporting the ground, the second connecting arm offsets the first connecting arm in the vertical state with the L-shaped support leg to prevent the exercise board from moving back, so that the user can lay the legs flat, get a rest, and relieve swelling and other sedentary conditions. question.

Description

A multifunctional special seat

technical field

The invention belongs to the technical field of seats, and in particular relates to a multifunctional special seat.

Background technique

Seats are common in daily life, and in order to meet the needs of different groups of people, their functions and types are becoming more and more numerous.

The utility model with publication number CN206183588U discloses a multifunctional special chair for ENT, comprising a base, a support plate is fixedly arranged on the base, a rotating shaft is rotatably connected to the support plate, a support plate is arranged on the rotating shaft, and the support plate and the support plate are connected. A circle of buffer components is arranged between them, the rear end of the support plate is provided with a threaded barrel, the inner thread of the threaded barrel is connected to the screw, an opening is arranged between the screw barrels, the screw is connected to the back plate through the opening, and an inspection light is also provided on the top of the back plate. The special seat of the utility model is simple in structure and comfortable in use, not only can realize the function of left and right rotation, but also can realize the function of tilting and descending of the backrest, can adjust the body posture, thoroughly find out the cause, and has good lighting effect and is easy to observe.

However, the existing seat is inconvenient to move during use, and the above technical solution directly rotates and dumps the backrest when changing the sitting posture of the seat, and adjusts the angle of the backrest. After the angle, the backrest is fixed by tightening, which is unstable.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multifunctional special chair to solve the problem of single function proposed in the above-mentioned background art, many office workers do not get enough rest after work, and often many health problems are caused by sitting for a long time.

To achieve the above object, the present invention provides the following technical solutions:

A multifunctional special seat includes: a first support frame, a second support frame, a drive frame, a drive assembly and a third support frame.

Wherein, the first support frame includes a pair of T-shaped frames, which play the role of vertical support, a cushion is commonly installed between the horizontal sections of the pair of T-shaped frames, and the horizontal sections of the pair of T-shaped frames There are chutes on the opposite sides of the frame, and the opened pair of chutes make the pulling process of the third support frame smoother;

Wherein, the second support frame includes a pair of L-shaped frames, which play the role of lateral support, and a pair of legs for supporting with the ground are connected on the longer sides of the L-shaped frame through pin shafts. The gravity generated when the user lies down, a cushion is installed between the longer sides of the pair of L-shaped frames, and the corners of the L-shaped frame and the T-shaped frame are rotatably connected together to improve the stability of rotation;

Wherein, the driving frame includes a pair of horizontal plates installed with the lower end surface of the T-shaped frame, a pair of connecting shafts are fixedly installed between the pair of horizontal plates, and the pair of connecting shafts are respectively located at two positions of the horizontal plate along the length direction. end, and form a rectangular frame structure with a pair of the horizontal plates to stabilize the device, and rollers are rotatably connected to both ends of the connecting shaft to drive the movement of the device;

Wherein, the drive assembly is installed on the drive frame, and the device is changed in shape through the drive assembly, from the original sitting type to the lying type, which is convenient for the user to rest;

Wherein, in order to allow the user's legs to rest and relieve problems such as edema and congestion caused by prolonged sitting, the third support frame includes a sports board slidably connected between a pair of runners, and the sports board is installed on the lower surface There are support components, which are used to support with the ground, bear the pressure caused by the weight of the legs, and prevent the deformation of the sports board.

As a preferred embodiment of the present invention, the drive assembly includes a pair of connecting shafts fixedly connected between a pair of horizontal plates and a rotating shaft rotatably connected between a pair of horizontal plates, the rotating shaft is located between the pair of connecting shafts , the main gear and the transmission turbine are coaxially installed on the rotating shaft, a mounting seat is fixedly installed on the rotating shaft, and a vortex rod is rotatably connected in the mounting seat, the worm rod is meshed with the transmission turbine, and the worm rod One end of the shaft penetrates the mounting seat, and the end that penetrates is installed with a motor through the coupling. By starting the motor, the output end of the motor drives the worm shaft to rotate. Because the worm shaft is meshed with the transmission turbine, it drives the transmission turbine to rotate, so as to make the The coaxial main gear of the transmission turbine rotates to provide a power source for the angular rotation of the cushion.

As a preferred option of the present invention, a track seat is connected between a pair of the connecting shafts, a rectangular notch is formed in the track seat along the length direction, and a rack is slidably connected in the track seat, and the teeth The rack is meshed and connected with the main gear, so that the rack is meshed with the main gear, so that the rotating main gear can drive the linear movement of the rack in the track seat, and provide power conditions for the change from the original sitting type to the lying type.

As a preferred embodiment of the present invention, a vertical shaft is installed vertically on the rack, a cross sleeve is slidably sleeved on the vertical shaft, and a drive plate is fixedly installed at both ends of the horizontal section of the cross sleeve, and a pair of the A pair of beams are connected between the drive plates, and the L-shaped frame is rotatably connected with the drive plate. When the rack moves in the track seat, it pushes the cross sleeve to slide down or up, thereby driving the left and right movement of the drive plate. Since the driving plate is connected with the L-shaped frame through the pin shaft in rotation, the L-shaped frame is pushed to rotate with the connection point between the L-shaped frame and the T-shaped frame as a fulcrum, thereby changing the angle.

As a preferred embodiment of the present invention, the support assembly includes a pair of vertical plates vertically installed on the lower surface of the sports board, and each vertical plate is integrally formed with a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are integrally formed on each vertical plate. The vertical plate is rotatably connected with a first connecting arm through a pin shaft, a limit pin is installed on the inner wall of the T-shaped frame, the first vertical plate can be abutted against the limit pin, and the second vertical plate is rotated through a pin shaft An L-shaped support leg is connected, a second connection arm is rotatably connected between one end of the shorter side of the L-shaped support leg and the first connection arm, and an L-shaped limit rod is installed on one side of the second vertical plate, The L-shaped support leg is in contact with the L-shaped limit rod, and the first vertical plate can be in contact with the limit pin, which is used to limit the maximum travel distance of the sports plate and prevent the sports plate from leaving the chute. When the pins are in contact with each other, the first connecting arm moves to the outside of the beam, and changes from the original horizontal direction to the vertical direction, and presses against the beam. The second vertical plate is connected with an L-shaped support leg through the rotation of the pin shaft, and the L-shaped support leg is shorter. A second connecting arm is rotatably connected between one end of the side and the first connecting arm, and the second connecting arm is used to abut between the first connecting arm in the vertical state and the L-shaped support leg, so as to prevent the movement board from moving back, and play a fixed effect.

As a preferred option of the present invention, a pair of axle seats are fixedly installed on the lower surface of the motion plate, a first spring seat is rotatably connected between the pair of axle seats, and a pin shaft located on the first vertical plate is rotatably connected There is a second spring seat, a spring is connected between the first spring seat and the second spring seat, and the spring plays the role of supporting and restoring.

As a preferred option of the present invention, a sponge core pad is arranged on the upper surface of the sports board, the inside of the sponge core pad is a cavity structure, and the sponge core pad is provided with a sponge bump protruding from the surface of the sponge core pad, which is similar to that of the sponge core pad. A pit is formed between the adjacent sponge bumps, and a health care ball is arranged in the pit. The installation position of the health care ball corresponds to the acupuncture points of the human body. When in use, the health care ball rubs the acupuncture points of the legs to play The role of dredging the meridians.

As a preferred aspect of the present invention, the T-shaped frame is provided with an armrest, a control slot box is arranged on the armrest, and a control switch group, a USB charging interface and a battery are arranged in the control slot box, and the control slot A push cover is provided outside the box, a mobile phone slot is provided on the push cover, and the motor and the USB charging interface are electrically connected with the battery.

Beneficial effects of the present invention:

1. In the present invention, by setting the rotational connection between the first support frame and the second support frame, through the drive of the drive assembly, when the rack moves in the track seat, the cross sleeve is pushed to slide down or up, thereby driving the drive. The left and right movement of the plate, because the driving plate is connected with the L-shaped frame through the pin shaft, thereby pushing the L-shaped frame to rotate with the connection point between the T-shaped frame and the fulcrum, thereby changing the angle to change the shape of the device. The original sitting type is changed to a lying type, which is convenient for users to rest, and has a stable structure and is not easy to lose shape.

2. The present invention moves the motion plate through the maximum travel distance through the set third support frame until the first vertical plate and the limit pin are in contact, and the first connecting arm moves to the outside of the beam, and changes from the original horizontal to vertical. The L-shaped support leg supports the ground, and the second connecting arm abuts the vertical first connecting arm and the L-shaped support leg to prevent the exercise board from moving back, so that the user can lay the leg flat Department, get rest, relieve puffiness and other sedentary problems.

Description of drawings

Fig. 1 is the structural representation of the present invention;

FIG. 2 is a schematic diagram of a third support frame structure of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at place A in Fig. 1 of the present invention;

Fig. 4 is the enlarged schematic diagram of the structure at place B in Fig. 1 of the present invention;

Figure 5 is a schematic structural diagram of the sponge core pad of the present invention;

FIG. 6 is a schematic structural diagram of the control slot box of the present invention.

In the figure: 1, the first support frame; 101, the T-shaped frame; 1011, the chute; 2, the seat cushion; 3, the second support frame; 301, the L-shaped frame; 4, the back cushion; 5, the driving frame; 501, the level Plate; 502, connecting shaft; 503, rotating shaft; 504, rack; 505, main gear; 506, transmission turbine; 507, mounting seat; 508, worm; 509, motor; 510, vertical shaft; 511, cross bushing; 512, drive plate; 513, beam; 514, track seat; 5141, rectangular slot; 6, third support frame; 601, motion plate; 602, vertical plate; 603, first vertical plate; 604, second vertical plate ; 605, the first connecting arm; 606, the L-shaped support leg; 607, the second connecting arm; 608, the limit pin; 609, the L-shaped limit rod; 610, the axle seat; 611, the first spring seat; 612, Second spring seat; 613, spring; 7, armrest; 701, control slot box; 8, control switch group; 9, USB charging interface; 10, battery; 11, push cover; 12, mobile phone slot; 13, sponge core pad ; 14, sponge bumps; 15, pits; 16, health care balls.

Detailed ways

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the orientations shown in the drawings or The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as " Connection", which can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two components. of connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example

Please refer to accompanying drawings 1-2 , a multifunctional special seat, including: a first support frame 1 , a second support frame 3 , a drive frame 5 , a drive assembly and a third support frame 6 .

The first support frame 1 includes a pair of T-shaped frames 101, which play the role of vertical support. A cushion 2 is installed between the horizontal sections of the pair of T-shaped frames 101. The opposite surfaces are provided with chute 1011, and the opened pair of chute 1011 makes the pulling process of the third support frame 6 smoother;

Wherein, the second support frame 3 includes a pair of L-shaped frames 301, which play the role of lateral support. On the longer sides of the L-shaped frame 301, a pair of supporting feet for supporting with the ground is connected through a pin shaft. Bearing the gravity generated when the user lies down, a cushion 4 is installed between the longer sides of a pair of L-shaped frames 301, and the corners of the L-shaped frame 301 and the T-shaped frame 101 are rotatably connected together to improve the rotational speed. stability;

Wherein, the driving frame 5 includes a pair of horizontal plates 501 installed with the lower end surface of the T-shaped frame 101, a pair of connecting shafts 502 are fixedly installed between the pair of horizontal plates 501, and the pair of connecting shafts 502 are respectively located along the length of the horizontal plate 501. Both ends of the direction, and form a rectangular frame structure with a pair of horizontal plates 501 to stabilize the device, and rollers are rotatably connected to both ends of the connecting shaft 502 to drive the movement of the device;

Wherein, the drive assembly is installed on the drive frame 5, and the device is changed in shape through the drive assembly, from the original sitting type to the lying type, which is convenient for the user to rest;

Among them, in order to allow the user's legs to rest and relieve problems such as edema and congestion caused by prolonged sitting, the third support frame 6 includes a sports board 601 slidably connected between a pair of runners 1011, and the bottom surface of the sports board 601 is installed There are support components, which are used to support the ground together, bear the pressure caused by the weight of the legs, and prevent the sports board 601 from being deformed.

Specifically, please refer to FIG. 1 , FIG. 3 and FIG. 4 , the drive assembly includes a rotating shaft 503 rotatably connected between a pair of horizontal plates 501 , the rotating shaft 503 is located between a pair of connecting shafts 502 , and the rotating shaft 503 is connected to a pair of connecting shafts 502 They are parallel to each other and perpendicular to a pair of horizontal plates 501. A main gear 505 and a transmission turbine 506 are coaxially mounted on the rotating shaft 503. A mounting seat 507 is fixedly installed on the rotating shaft 503, and a worm shaft 508 is rotatably connected in the mounting seat 507. The worm shaft 508 is meshed with the transmission turbine 506, one end of the worm shaft 508 penetrates the mounting seat 507, and the end of the worm shaft 508 is installed with a motor 509 through a coupling. By starting the motor 509, the output end of the motor 509 drives the worm shaft 508 to rotate, Because the worm shaft 508 is meshed with the transmission turbine 506, the transmission turbine 506 is driven to rotate, so that the main gear 505 coaxial with the transmission turbine 506 rotates, and provides a power source for the angular rotation of the cushion 4.

Specifically, please refer to FIG. 1 and FIG. 3 , a track seat 514 is connected between the pair of connecting shafts 502 . In order to prevent the track seat 514 from rotating with the connecting shaft 502 , both ends of the track seat 514 are rotatably connected to the pair of connecting shafts 502 . At the same time, a rectangular slot 5141 is opened in the track seat 514 along the length direction, and a rack 504 is slidably connected in the track seat 514. The toothed side of the rack 504 faces the main gear 505, so that the rack 504 is meshed with the main gear 505 The connection is convenient for the rotating main gear 505 to drive the linear movement of the rack 504 in the track seat 514, and provides power conditions for the change from the original sitting type to the lying type.

Specifically, please refer to FIG. 1 , a vertical shaft 510 is vertically installed on the rack 504 , a cross shaft sleeve 511 is slidably sleeved on the vertical shaft 510 , and a driving plate 512 is fixedly installed at both ends of the horizontal section of the cross shaft sleeve 511 , and a pair of driving plates A pair of beams 513 are connected between the 512, and the L-shaped frame 301 and the drive plate 512 are rotatably connected together. When the rack 504 moves in the track seat 514, it pushes the cross sleeve 511 to slide downward or upward, thereby driving the drive plate 512 Since the drive plate 512 is rotatably connected with the L-shaped frame 301 through the pin shaft, it pushes the L-shaped frame 301 to rotate with the connection point between the L-shaped frame 301 and the T-shaped frame 101 as the fulcrum, thereby changing the angle.

Specifically, please refer to FIG. 2 , the support assembly includes a pair of vertical plates 602 vertically installed on the lower surface of the motion plate 601 , and each vertical plate 602 is integrally formed with a first vertical plate 603 and a second vertical plate 604 . The plate 603 is connected with a first connecting arm 605 through a pin shaft. A limit pin 608 is installed on the inner wall of the T-shaped frame 101. The first vertical plate 603 can abut against the limit pin 608 to limit the maximum travel distance of the motion plate 601. , to prevent the moving plate 601 from leaving the chute 1011 , when the first vertical plate 603 is in contact with the limit pin 608 , the first connecting arm 605 moves to the outside of the beam 513 , and changes from the original horizontal direction to the vertical direction, and abuts the beam 513 , the second vertical plate 604 is rotatably connected with an L-shaped support leg 606 through a pin shaft, and a second connection arm 607 is rotatably connected between one end of the shorter side of the L-shaped support leg 606 and the first connection arm 605, and the second connection arm 607 is used to abut between the first engagement arm 605 in the vertical state and the L-shaped support leg 606 to prevent the movement plate 601 from moving back and play a fixed role. One side of the second vertical plate 604 is installed with an L-shaped limit rod. 609, the L-shaped support leg 606 is in contact with the L-shaped limit rod 609 to prevent the L-shaped support leg 606 from being bent in reverse.

Specifically, please refer to FIG. 2 , a pair of shaft seats 610 are fixedly mounted on the lower surface of the motion plate 601 , a first spring seat 611 is rotatably connected between the pair of shaft seats 610 , and a pin on the first vertical plate 603 is rotatably connected with a For the second spring seat 612, a spring 613 is connected between the first spring seat 611 and the second spring seat 612, and the spring 613 plays the role of supporting and restoring.

Specifically, please refer to FIG. 5 , the upper surface of the sports board 601 is provided with a sponge core pad 13 , the sponge core pad 13 is used to increase the comfort of use. The sponge bumps 14 on the surface of the sponge core pad 13 form a pit 15 between the adjacent sponge bumps 14. A health care ball 16 is arranged in the pit 15. The installation position of the health care ball 16 corresponds to the acupuncture points of the human body. When rubbing the acupuncture points of the legs through the health care ball 16, it plays the role of dredging the meridians.

Specifically, please refer to FIG. 6 , an armrest 7 is arranged on the T-shaped frame 101, and a control slot box 701 is arranged on the armrest 7, which is used for the driving end of the control device. The control slot box 701 is provided with a control switch group 8, a USB charging The interface 9 and the battery 10, the control slot box 701 is provided with a push cover 11, and the push cover 11 is provided with a mobile phone slot 12 for placing a mobile phone for charging. The motor 509 and the USB charging interface 9 are electrically connected to the battery 10.

working principle:

When resting, start the motor 509, and the output end of the motor 509 drives the worm shaft 508 to rotate. Because the worm shaft 508 is meshed with the transmission turbine 506, it drives the transmission turbine 506 to rotate, so that the main gear 505 coaxial with the transmission turbine 506 rotates and rotates. The main gear 505 drives the linear movement of the rack 504 in the track seat 514. When the rack 504 moves in the track seat 514, it pushes the cross sleeve 511 to slide down or up, thereby driving the drive plate 512 to move left and right. The drive plate 512 is rotatably connected to the L-shaped frame 301 through a pin, thereby pushing the L-shaped frame 301 to rotate with the connection point between the L-shaped frame 301 and the T-shaped frame 101 as a fulcrum, thereby changing the angle, and pulling out the movement plate 601, the movement plate 601 Carry out the maximum stroke distance movement until the first vertical plate 603 is in contact with the limit pin 608, the first connecting arm 605 moves to the outside of the beam 513, and changes from the original horizontal to vertical, and abuts the beam 513, the L-shaped support leg 606 supports the ground, and the second connecting arm 607 abuts the first connecting arm 605 in the vertical state with the L-shaped supporting leg 606 to prevent the movement board 601 from moving back, and the installation position of the health care ball 16 corresponds to the acupuncture points of the human body's legs. , during use, the acupuncture points of the legs are rubbed by the health care ball 16, which plays the role of dredging the meridians.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments can be modified, or some technical features thereof can be equivalently replaced, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included. within the protection scope of the present invention.

Claims (8)

1. A multi-function dedicated seat, comprising:

the supporting device comprises a first supporting frame (1), wherein the first supporting frame (1) comprises a pair of T-shaped frames (101), a cushion (2) is installed between the horizontal sections of the pair of T-shaped frames (101), and sliding grooves (1011) are formed in the opposite surfaces of the horizontal sections of the pair of T-shaped frames (101);

the second supporting frame (3), the second supporting frame (3) comprises a pair of L-shaped frames (301), and a back cushion (4) is jointly installed between the longer sides of the pair of L-shaped frames (301);

the driving frame (5), the driving frame (5) comprises a pair of horizontal plates (501) which are installed together with the lower end face of the T-shaped frame (101);

a drive assembly mounted on a drive frame (5);

the third supporting frame (6), the third supporting frame (6) includes the motion board (601) of sliding connection between a pair of spout (1011), motion board (601) lower surface mounting has the supporting component.

2. A multi-function dedicated seat as claimed in claim 1, wherein: drive assembly includes a pair of linking axle (502) and the pivot (503) of rotating connection between a pair of horizontal plate (501) of fixed connection between a pair of horizontal plate (501), pivot (503) are located a pair of linking axle (502), coaxial arrangement has master gear (505) and drive turbine (506) in pivot (503), fixed mounting has mount pad (507) on pivot (503), mount pad (507) internal rotation is connected with scroll bar (508), scroll bar (508) and drive turbine (506) meshing are connected, the one end of scroll bar (508) is run through mount pad (507), and the one end that runs through out installs motor (509) through the shaft coupling.

3. The multifunctional special chair according to claim 2, characterized in that: a track seat (514) is connected between the pair of connecting shafts (502), a rectangular notch (5141) is formed in the track seat (514) along the length direction, a rack (504) is connected in the track seat (514) in a sliding mode, and the rack (504) is meshed with the main gear (505).

4. A multi-function dedicated seat as claimed in claim 3, wherein: the vertical shaft (510) is vertically installed on the rack (504), a cross shaft sleeve (511) is sleeved on the vertical shaft (510) in a sliding mode, drive plates (512) are fixedly installed at two ends of a horizontal section of the cross shaft sleeve (511), a pair of cross beams (513) are connected between the drive plates (512), and the L-shaped frame (301) is rotationally connected with the drive plates (512).

5. A multi-function dedicated seat as claimed in claim 1, wherein: the supporting assembly comprises a pair of vertical plates (602) vertically arranged on the lower surface of a moving plate (601), each vertical plate (602) is integrally provided with a first vertical plate (603) and a second vertical plate (604), the first vertical plate (603) is rotatably connected with a first connecting arm (605) through a pin shaft, the inner wall of the T-shaped frame (101) is provided with a limiting pin (608), the first vertical plate (603) can abut against the limiting pin (608), the second vertical plate (604) is rotatably connected with an L-shaped supporting leg (606) through a pin shaft, a second connecting arm (607) is rotatably connected between one end of the shorter side of the L-shaped supporting leg (606) and the first connecting arm (605), an L-shaped limiting rod (609) is arranged on one side of the second vertical plate (604), and the L-shaped supporting leg (606) abuts against the L-shaped limiting rod (609).

6. The utility model relates to a multi-functional special seat of claim 5, characterized in that: the lower surface of the motion plate (601) is fixedly provided with a pair of shaft seats (610), a first spring seat (611) is rotatably connected between the shaft seats (610), a second spring seat (612) is rotatably connected to a pin shaft on the first vertical plate (603), and a spring (613) is connected between the first spring seat (611) and the second spring seat (612).

7. The multifunctional special-purpose seat according to claim 1, characterized in that: the upper surface of the sports board (601) is provided with a sponge core pad (13), a cavity structure is arranged in the sponge core pad (13), sponge bumps (14) protruding out of the surface of the sponge core pad (13) are arranged on the sponge core pad (13), pits (15) are formed between every two adjacent sponge bumps (14), and health care balls (16) are arranged in the pits (15).

8. A multi-function dedicated seat as claimed in claim 2, wherein: be equipped with handrail (7) on T shape frame (101), be provided with control groove box (701) on handrail (7), be equipped with control switch group (8), USB interface (9) and battery (10) that charge in control groove box (701), control groove box (701) are equipped with outward and push away lid (11), it is equipped with cell-phone groove (12) on lid (11) to push away, motor (509) and USB charge interface (9) and battery (10) electrical property link to each other.

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