CN212853882U - Novel rehabilitation and nursing bed - Google Patents

Abstract

The utility model relates to a novel rehabilitation and nursing bed, which belongs to the technical field of medical appliances. The intelligent operation strengthens the experience of the user, slows down or postpones the bedsore of the patient, increases the entertainment and reduces the workload of the medical staff. Including electronic nursing bed seat, bedstead, motor, head of a bed, linear guide, slider, tailstock, hoist formula turnover mechanism, compound seat, support and a set of elevator motor, electronic nursing bed seat is connected with the bedstead through first hinge, and the motor of standing passes through second hinge and third hinge and is connected with electronic nursing bed seat and bedstead respectively, and the head and the tail both ends of bedstead are respectively through screw standard fixedly connected with head of a bed and tailstock, and the both ends at head of a bed and tailstock are installed respectively to a set of support, linear guide and elevator motor are equipped with respectively on the support, the slider is equipped with on the linear guide, and the both ends of hoist formula turnover mechanism are installed respectively on compound seat.

Description

Novel rehabilitation and nursing bed

Technical Field

The utility model relates to a novel rehabilitation and nursing bed, which belongs to the technical field of medical appliances.

Background

Along with the continuous aggravation of the aging of the population, the proportion of young people is continuously reduced, the proportion of disabled old people is gradually increased, the disabled or semi-disabled patients caused by other diseases can also increase the burden of families and old-care and medical units where the disabled or semi-disabled patients are located, and particularly, a large number of serious patients in the current new crown epidemic situation also put forward strong demands on specific medical rehabilitation products. The existing nursing bed has the functions of mechanical back lifting and leg bending at most, and the turning of a patient or the simple replacement of a mattress can not be realized at all.

A novel rehabilitation nursing bed can solve the technical problems and further enables heavy nursing work to be easy and simple.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel rehabilitation and nursing bed, realize intelligent operation through electromechanical integrated control, the science and technology of reinforcing user is experienced and is felt, simplify nursing work, realize that the controllable operation of standing up of disease, reduce nursing work's intensity of labour and to the requirement of sensitivity, can realize the mutual nursing between the part old person even, the bedsore that slows down or postpones the patient takes place, increased and provided recreational equipment for the disease of bed of being sickly of a specified duration, alleviate the patient because of the negative psychology that the bed of long-term lying produced, medical personnel's work load can be reduced simultaneously. A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

a novel rehabilitation nursing bed comprises an electric nursing bed seat, a bed frame, a standing motor, a bed head, a linear guide rail, a sliding block, a bed tail, a hoisting type turnover mechanism, a composite seat, a support and a set of lifting motors, wherein the electric nursing bed seat is connected with the bed frame through a first hinge, the standing motor is respectively connected with the electric nursing bed seat and the bed frame through a second hinge and a third hinge, the head and the tail ends of the bed frame are respectively and fixedly connected with the bed head and the bed tail through threaded standard parts, the set of support is respectively installed at the two ends of the bed head and the bed tail, the linear guide rail and the lifting motors are respectively installed on the support, the sliding block is installed on the linear guide rail, the two ends of the hoisting type turnover mechanism are respectively installed on the composite seat, the composite seat is respectively connected with the sliding block and the lifting motors, the hoisting type turnover mechanism consists of a pair of rollers and a, the surface of the roller is provided with a retractable bed sheet.

Preferably: the electric nursing bed further comprises a bed frame, an electric control equipment box and a group of trundles, wherein an execution control host and an industrial control computer are arranged in the electric control equipment box.

Preferably: the bedstead further comprises a framework, a lifting back plate, a lifting back motor, a hip plate, a thigh plate, a leg bending motor, a shank plate and a connecting rod, wherein the hip plate is fixedly installed on the framework, the lifting back plate is connected with the hip plate through a fourth hinge, one end of the lifting back motor is connected with the lifting back plate through a first hinge pin, the other end of the lifting back motor is connected with a lifting back motor seat fixed on the hip plate through a second hinge pin, the thigh plate is connected with the hip plate through a fifth hinge pin, one end of the leg bending motor is connected with the shank plate through a third hinge pin, the other end of the leg bending motor is connected with a lug on the hip plate through a fourth hinge pin, the shank plate is connected with the thigh plate through a sixth hinge pin, the shank plate is connected with the connecting rod through a fifth hinge pin, and the connecting rod is hinged on the framework through a sixth hinge pin.

Preferably: the bed tail is of a hollow box-shaped structure, a telescopic display II containing system is arranged in a box body of the bed tail, and a touch screen is arranged on the outer side of the bed tail.

The utility model provides a novel rehabilitation nursing bed intelligence control system, a novel rehabilitation nursing bed intelligence control system integration has novel domestic rehabilitation nursing control system (IC1), novel domestic rehabilitation nursing control system (IC1) is integrated in the electrical control equipment case, novel domestic rehabilitation nursing control system (IC1) constitute including carrying out main control system and industrial control computer, carrying out the main control system including carrying out control system circuit, darlington transistor array and interface circuit, carrying out the main control system and being connected with the terminal equipment of the bed body through wiring system, the remote controller handle passes through the spring wire and carries out control system circuit connection, the touch-control screen through show control cable with carry out control system circuit connection, display II through show the cable with the industrial control computer is connected, the hoist motor passes through roller bearing group cable, motor, The stand motor is connected with the corresponding interface of the Darlington transistor array in sequence through a stand motor cable, the back lifting motor is connected with the back lifting motor cable, the leg bending motor is connected with the corresponding interface of the Darlington transistor array through a leg bending motor cable and a lifting motor through a lifting motor group cable.

Preferably: the remote controller handle panel adopts a function key plane arrangement structure, the function keys comprise a right external rotation, a left external rotation, a right internal rotation, a left internal rotation, a right turnover, a left turnover, a right rising, a left rising, a right falling, a left falling, a bed sheet rising, a bed sheet falling, a leg bending resetting, a back lifting resetting, a standing resetting and a standing, and the touch screen is provided with a control panel corresponding to the remote controller handle.

Preferably: the industrial personal computer is connected to a database of the cloud server through a wireless router and a wireless network card, accesses or operates the database according to an access interface or a control operation interface by depending on a mobile APP system of the mobile communication equipment, and accesses and detects bracelet acquisition data worn by a patient through a built-in BT interface circuit.

Preferably: the operation interface of the touch screen is also used for setting the working periods, the adjustment modes and the adjustment ranges of the hoisting motor, the standing motor, the back lifting motor, the leg bending motor and the lifting motor.

The utility model discloses following beneficial effect has:

1. the multifunctional bed sore rehabilitation nursing bed is used for rehabilitation and nursing of patients in disabled or semi-disabled states, applicable objects are disabled or semi-disabled persons needing support of a nursing worker, the disabled or semi-disabled persons can greatly slow down or delay bedsores of the patients when using the multifunctional bed sore rehabilitation nursing bed, and part of bedsores of patients who have already developed bedsores can be rehabilitated;

2. the labor capacity of nursing personnel is reduced, particularly, when the mattress is replaced, the patient can leave the mattress to be replaced conveniently only by lifting the lifting motor, and the patient can reset after the replacement by lifting the lifting motor, so that the physical requirement on the nursing personnel is reduced, a plurality of old people can be added into the nursing population of the patient, and the rotation of the lifting motor can be controlled to adjust the width of the bed sheet, thereby achieving the effect of lifting and putting down the patient;

3. the patient is in a suspension state by adjustment, and the suspension can ensure that the whole body of the patient is in a good ventilation state, thereby being beneficial to improving the state of flora on the body surface of the patient and reducing other complications of the patient caused by flora infection;

4. the display can be controlled by the semi-incapacitated patient for simple control or entertainment, which is beneficial to the rehabilitation process of the semi-incapacitated patient;

5. the suspension state can also conveniently process the excrement of the patient, the patient consciously and correctly expressing the excretion intention can be subjected to suspension defecation experience, the cleaning and the washing after defecation are convenient, the patient really experiences the dignity of 'no body staining', and the rehabilitation promoting effect on the physiology and the psychology of the patient is good;

6. the rotation of the bedstead can ensure that the disabled patient can stand through the bed body to achieve the same head-up visual angle as that of a normal person, and can realize overlook through a window besides a roof and a corner, so that the mental state of the patient is improved, and the rehabilitation process of the patient is accelerated;

7. the nursing staff can watch programs together with disabled or semi-disabled persons through the display when accompanying, the height of the display can be adjusted, the display is suitable for different visual angles, and nursing becomes less boring, so that children and girls of the old can accompany more elderly disabled patients, the 'no filial generation before a bed for a long time' can become history, and the late-year happy life of the filial generation of the Sun sages is realized;

8. the lifting motor pushes the roller to rise, so that the roller can play a role of a guard rail, a patient can be prevented from falling off a bed, and a bed sheet is arranged around the patient, so that the collision of the patient can be reduced;

9. the adjustable bed body can be adjusted at multiple angles, so that nursing staff can take care of patients conveniently, and can adjust according to the needs of the patients, so that the adjustable bed body is more comfortable, the operation is more intelligent, and the burden of the nursing staff is reduced.

Drawings

FIG. 1 is a front view of a novel rehabilitation and care bed;

FIG. 2 is a schematic view of the structure of the control box;

FIG. 3 is a front view of a novel rehabilitation and care bed in an expanded state;

FIG. 4 is a left side sectional view of a novel rehabilitation and care bed;

FIG. 5 is a cross-sectional view of C-C;

FIG. 6 is a cross-sectional view taken along line D-D;

FIG. 7 is a diagram of a novel rehabilitation and nursing bed and its intelligent control system;

FIG. 8 is a schematic view of an operation interface of a novel rehabilitation nursing bed and an intelligent control system thereof;

in the figure, 1-an electric nursing bed base, 2-a first hinge, 3-a bed frame, 4-a second hinge, 5-a standing motor, 6-a third hinge, 7-a bed head, 8-a bed tail, 9-a hoisting turn-over mechanism, 10-a linear guide rail, 11-a slide block, 14-a composite base, 15-a support, 16-a lifting motor, 18-a roller, 19-a hoisting motor, 20-a retractable bed sheet, 101-a bed base framework, 102-an electric control equipment box, 103-a caster, 104-an execution control host, 105-an industrial control computer, 201-a framework, 202-a back lifting plate, 203-a back lifting motor, 204-a fourth hinge, 205-a back lifting motor base, 206-a first pin shaft, 207-a second pin shaft, 208-hip plate, 209-thigh plate, 210-fifth hinge, 211-leg bending motor, 212-third pin shaft, 213-fourth pin shaft, 214-lug, 215-sixth hinge, 216-connecting rod, 217-fifth pin shaft, 218-sixth pin shaft, 220-shank plate, 501-execution control system circuit, 502-Darlington transistor array, 503-interface circuit, 505-wiring system, 506-terminal equipment, 507-remote controller handle, 507-1-remote controller handle panel, 507-2-right external rotation, 507-3-left external rotation, 507-4-right internal rotation, 507-5-left internal rotation, 507-6-right turning, 507-7-left turning, 507-8-right rising, 507-9-left rising, 507-10-right falling, 507-11-left falling, 507-13-bed sheet rising, 507-12-bed sheet falling, 507-14-leg bending resetting, 507-15-leg bending, 507-16-back lifting resetting, 507-17-back lifting, 507-18-standing resetting, 507-19-standing, 507-20-function keys, 508-spring wires, 509-display control cables, 510-display cables, 511-roller motor set cables, 512-standing motor cables, 513-back lifting motor cables, 514-leg bending motor cables, 515-lifting motor set cables, 600-cloud server, 601-database, 602-mobile APP system, 603-access interface, 604-control operation interface, 605-bracelet, 606-mobile communication equipment, 607-patient, 800-storage system, 801-display II, 802-touch screen, IC1 novel household rehabilitation nursing control system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the embodiment is described with reference to fig. 1-8, and the novel rehabilitation nursing bed of the embodiment comprises an electric nursing bed base 1, a bed frame 3, a standing motor 5, a bed head 7, a linear guide rail 10, a slide block 11, a bed tail 8, a hoisting turn-over mechanism 9, a composite base 14, a support 15 and a set of lifting motor 16, wherein the electric nursing bed base 1 is connected with the bed frame 3 through a first hinge 2, the standing motor 5 is respectively connected with the electric nursing bed base 1 and the bed frame 3 through a second hinge 4 and a third hinge 6, the head and the tail of the bed frame 3 are respectively fixedly connected with the bed head 7 and the bed tail 8 through threaded standard parts, the set of supports 15 are respectively installed at two ends of the bed head 7 and the bed tail 8, the supports are respectively provided with the linear guide rail 10 and the lifting motor 16, the slide block 11 is installed on the linear guide rail 10, two ends of the hoisting turn-over mechanism 9 are respectively installed on the composite base (, the composite seat 14 is respectively connected with the slide block 11 and the lifting motor 16, the winding type turn-over mechanism 9 is composed of a pair of rollers 18 which are arranged in parallel and a winding motor 19 which is arranged in the rollers 18, and the surface of the rollers 18 is provided with a retractable bed sheet 20.

The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 8, and the novel rehabilitation nursing bed of the embodiment further includes a bed frame 101, an electric control equipment box 102 and a set of casters 103, wherein an execution control host 104 and an industrial control computer 105 are installed in the electric control equipment box 102.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, the bed frame 3 further includes a frame 201, a back-lifting plate 202, a back-lifting motor 203, a hip plate 208, a thigh plate 209, a leg bending motor 211, a lower leg plate 220 and a connecting rod 216, the hip plate 208 is fixedly mounted on the frame 201, the back-lifting plate 202 is connected with the hip plate 208 through a fourth hinge 204, one end of the back-lifting motor 203 is connected with the back-lifting plate 202 through a first hinge pin 206, the other end of the back-lifting motor 203 is connected with a back-lifting motor seat 205 fixed on the hip plate 208 through a second hinge pin 207, the thigh plate 209 is connected with the hip plate 208 through a fifth hinge pin 210, one end of the leg bending motor 211 is connected with the thigh plate 209 through a third hinge pin 212, the other end of the leg bending motor 211 is connected with an ear 214 on the hip plate 208 through a fourth hinge pin 213, the lower leg plate 220 is connected with the upper leg plate 209 through a sixth hinge 215, the lower leg plate 220 is connected with a connecting rod 216 through a fifth pin 217, and the connecting rod 216 is hinged on the framework 201 through a sixth pin 218.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 8, and the novel intelligent control system for the rehabilitation nursing bed of the embodiment is characterized in that the bed end 8 is a hollow box-shaped structure, a telescopic display II801 accommodating system 800 is installed in a box body of the bed end 8 (refer to the above), and a touch screen 802 is installed outside the bed end (refer to the above) and is patented: a flexible receiving mechanism of display for intelligent nursing recovery bed, application number: 202020130995.4.

the fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 8, a novel intelligent control system of a rehabilitation nursing bed of the embodiment is integrated with an intelligent control system IC1, the intelligent control system IC1 is integrated in the electrical control box 102, the novel household rehabilitation nursing control system IC1 comprises an execution control host 104 and an industrial control computer 105, the execution control host 104 comprises an execution control system circuit 501, a darlington transistor array 502 and an interface circuit 503, the execution control host is connected with a terminal device 506 of a bed body through a wiring system 505, a remote controller handle 507 is connected with the execution control system circuit 501 through a spring wire 508, the touch screen 802 is connected with the execution control system circuit 501 through a display control cable 509, the display II801 is connected with the industrial control computer 105 through a display cable 510, the winding motor 19 is sequentially connected with the corresponding interface of the Darlington transistor array 502 through a roller motor group cable 511, the standing motor 5 through a standing motor cable 512, the back lifting motor 203 through a back lifting motor cable 513, the leg bending motor 211 through a leg bending motor cable 514 and the lifting motor 16 through a lifting motor group cable 515.

The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 8, a novel intelligent control system of a rehabilitation nursing bed of the embodiment, the remote controller handle panel 507-1 adopts a plane arrangement structure of function keys 507-20, the function keys comprise a right external rotation 507-2, a left external rotation 507-3, a right internal rotation 507-4, a left internal rotation 507-5, a right turning over 507-6, a left turning over 507-7, a right rising 507-8, a left rising 507-9, a right falling 507-10, a left falling 507-11, a bed sheet rising 507-13, a bed sheet falling 507-122, a leg bending resetting 507-14, a leg bending 507-15, a back lifting resetting 507-16, a back lifting 507-17, a standing resetting 507-18 and a standing 507-19, and the touch screen 802 is provided with an operation panel corresponding to a handle 507 of the remote controller.

The seventh embodiment: the embodiment is described with reference to fig. 1, fig. 2, fig. 3, and fig. 7, in which the industrial personal computer 105 is connected to the database 601 of the cloud server 600 through a wireless router via a wireless network card, accesses or operates the database 601 according to an access interface 603 or a control operation interface 604 by a mobile APP system 602 of a mobile communication device 606, and accesses and detects data collected by a bracelet 605 worn by a patient 607 through a built-in BT interface circuit.

The specific implementation mode is eight: the embodiment is described with reference to fig. 1, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, and the operation interface of the touch screen 802 is further used for setting the working cycle, the adjustment mode, and the adjustment range of the hoisting motor 19, the standing motor 5, the back-up motor 203, the leg-bending motor 211, and the lifting motor 16.

The operation method of the novel intelligent control system of the rehabilitation nursing bed comprises the following steps:

the method comprises the following steps: connecting a power line of the novel rehabilitation nursing bed and an intelligent control system thereof with an external power supply, and entering a working state after a progress bar of a touch screen 802 is finished;

step two: an adjustment scheme is customized according to the needs of a patient for adjustment and setting, signals are transmitted to an execution control system circuit 501 by touching a remote controller handle 507 or a touch screen 802 such as a left descending 507-11 key, the execution control system circuit distributes output arrays corresponding to the Darlington transistor array 502 to work, a driving current is output by a lifting motor group cable 515 to drive a left lifting motor 16, so that a left roller 18 descends to be slightly lower than the position of a bed surface, a bed sheet 20 capable of being folded and unfolded is adjusted to a proper position, and the patient is placed beside the bed to be in a sitting posture;

by touching a handle 507 of a remote controller or a right outward-rotation 507-2 key of a touch screen 802, an action command is input to drive a right-side winding motor 19 to work outward to drive the roller 18 to rotate, and a folding and unfolding bed sheet 20 wound on the roller 18 drives a patient to move to the middle position of a sickbed to hold the patient in a lying state;

the roller 18 on the left side is lifted by a 507-9 key on the left side through a handle 507 of a remote controller or a touch screen 802 until the rollers 18 on the two sides reach the same height, a 507-5 key on the left outward turn and a 507-4 key on the right outward turn are touched to pre-tension the sheet 20, the roller 18 on the two sides is continuously lifted by touching a 507-13 key on the sheet until the sheet 20 on the two sides is lifted by the sheet 20 on the two sides until the sheet 20 on the two sides is driven to suspend and the patient is touched to turn over the sheet 507-7 key on the left side, the rollers 18 on the two sides are simultaneously rotated to the right side to drive the patient on the sheet 20 to move to the right side to generate a turn-over action on the left side, the posture and the position of the patient are adjusted by touching the inner-turn-in key or the outer turn-out key on the two sides again to enable the patient to reach the middle position of the, the roller 18 is lowered to place the patient in the middle position of the bed;

step three: the included angle between the bedstead 3 and the bed base 1 is adjusted through a remote controller handle 507 or a standing key 507-19, a back lifting key 507-17 or a leg bending key 507-15 on the touch screen 802, so that the adjustment from the horizontal posture to the standing posture is realized, the included angle between the back lifting plate 202 and the bedstead 3 is adjusted, the adjustment from the horizontal posture to the sitting posture is realized, or the leg bending action is realized by adjusting the lifting angle of the thigh plate 209.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims (4)

1. A novel rehabilitation nursing bed is characterized in that: comprises an electric nursing bed base (1), a bed frame (3), a standing motor (5), a bed head (7), a linear guide rail (10), a sliding block (11), a bed tail (8), a hoisting turnover mechanism (9), a composite seat (14), a bracket (15) and a group of lifting motors (16), wherein the electric nursing bed base (1) is connected with the bed frame (3) through a first hinge (2), the standing motor (5) is respectively connected with the electric nursing bed base (1) and the bed frame (3) through a second hinge (4) and a third hinge (6), the head and tail ends of the bed frame (3) are respectively and fixedly connected with the bed head (7) and the bed tail (8) through thread standard parts, the group of brackets (15) are respectively arranged at the two ends of the bed head (7) and the bed tail (8), the bracket is respectively provided with the linear guide rail (10) and the lifting motor (16), the sliding block (11) is arranged on the linear guide rail (10), two ends of the winding type turning-over mechanism (9) are respectively arranged on a composite seat (14), the composite seat (14) is respectively connected with a sliding block (11) and a lifting motor (16), the winding type turning-over mechanism (9) is composed of a pair of rollers (18) which are arranged in parallel and a winding motor (19) which is arranged in the rollers (18), and a retractable bed sheet (20) is arranged on the surface of each roller (18).

2. The novel rehabilitation and nursing bed according to claim 1, characterized in that: the electric nursing bed seat (1) comprises a bed seat framework (101), an electric control equipment box (102) and a group of caster wheels (103), wherein an execution control host (104) and an industrial control computer (105) are arranged in the electric control equipment box (102).

3. The novel rehabilitation and nursing bed according to claim 1, characterized in that: the bedstead (3) comprises a framework (201), a lifting back plate (202), a lifting back motor (203), a hip plate (208), a thigh plate (209), a leg bending motor (211), a shank plate (220) and a connecting rod (216), wherein the hip plate (208) is fixedly installed on the framework (201), the lifting back plate (202) is connected with the hip plate (208) through a fourth hinge (204), one end of the lifting back motor (203) is connected with the lifting back plate (202) through a first hinge pin (206), the other end of the lifting back motor (203) is connected with the lifting back motor seat (205) fixed on the hip plate (208) through a second hinge pin (207), the thigh plate (209) is connected with the hip plate (208) through a fifth hinge pin (210), one end of the leg bending motor (211) is connected with the thigh plate (209) through a third hinge pin (212), and the other end of the leg bending motor (211) is connected with an ear supporting lug (214) on the hip plate (208) through a fourth hinge pin (213) The lower leg plate (220) is connected with the upper leg plate (209) through a sixth hinge (215), the lower leg plate (220) is connected with a connecting rod (216) through a fifth pin shaft (217), and the connecting rod (216) is hinged to the framework (201) through a sixth pin shaft (218).

4. The novel rehabilitation and nursing bed according to claim 1, characterized in that: the bed tail (8) is of a hollow box-shaped structure, a telescopic display II (801) containing system (800) is arranged in a box body of the bed tail (8), and a touch screen (802) is arranged on the outer side of the bed tail.

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