CN215021726U

CN215021726U - A unconscious patient limbs rehabilitation device for intensive care unit nursing

Info

Publication number: CN215021726U
Application number: CN202120903538.9U
Authority: CN
Inventors: 田永霞; 李静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-07
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to an unconscious patient limb rehabilitation device for intensive care unit nursing includes at least: the base, it can place in ground, and be used for bearing and installing recovered subassembly, the surface of base is provided with first recovered mechanism and the second mechanism of being strong respectively, wherein, first recovered mechanism is at least including the second backup pad that is used for holding patient foot, wherein, the second backup pad is along the orbital axial displacement of sliding in the first recovered mechanism, so that patient's low limbs can follow the motion of second backup pad and make marching type motion, and the second recovered mechanism is at least including first holding rod and the second holding rod that is used for patient's hand gripping, wherein, first holding rod and second holding rod can drive patient's upper limbs according to centrifugal pivoted mode and make concertina movement. The utility model has the advantages of simple design structure, operation method is simple and easy, can promote patient's use comfort level to and improve treatment, alleviates medical personnel's work burden simultaneously.

Description

A unconscious patient limbs rehabilitation device for intensive care unit nursing

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an unconscious patient's limbs rehabilitation device for intensive care unit nursing.

Background

The stroke is a common disease, the number of stroke patients is increased rapidly with the aging population, unhealthy living habits, hypertension, diabetes and hyperlipidemia are all high-risk factors of the stroke, and limb dysfunction is the most common dysfunction. The patients with stroke need to be cured in time and can be also prevented from being disabled by performing rehabilitation training in time after the condition of the patients is stable. The rehabilitation training of the stroke patient mainly comprises the steps of preventing upper limb spasm and lower limb spasm, improving muscle strength and improving joint movement.

CN210904837U discloses a limb rehabilitation device for stroke patients, which comprises a frame body, a first rehabilitation mechanism and a second rehabilitation mechanism, wherein the frame body comprises two vertical rods and a cross rod between the two vertical rods; a fixed pulley fixing hole is formed in one side of the cross rod, and a fixed pulley is arranged in the fixed pulley fixing hole; a first rehabilitation mechanism and a second rehabilitation mechanism are respectively fixed on two sides of the cross rod. The utility model discloses a recovered ware of cerebral apoplexy patient limbs simple structure, the apparatus is portable, and convenient to use can make things convenient for the bed patient to use, and has first rehabilitation mechanism and second rehabilitation mechanism, can carry out upper limbs training and shank joint training simultaneously, can effectively prevent upper limbs contraction muscle spasm and lower limbs extensor muscle spasm, improves muscle power and joint range of motion.

CN212118929U limb rehabilitation apparatus for cerebral apoplexy patient relates to rehabilitation apparatus technical field, comprising a base plate, the top sliding connection of bottom plate has the exercise structure, one side fixed mounting that the structure was tempered in keeping away from to the bottom plate has the connecting pipe, the one end that the bottom plate was kept away from to the connecting pipe is provided with the cushion structure, the cushion structure includes the threaded rod, the inside of connecting pipe is rotated and is connected with the threaded rod, the surface threaded connection of threaded rod has the seat. The utility model discloses, resilience force through a spring offsets pressure for patient leans on the cushion and can not feel too in gentle soft and hard, the effectual vertebra and the waist of protecting patient have alleviated its waist and the long-time ache of sitting and bringing of vertebra, set up the massage bump simultaneously, can further cushion the ache, have improved the device's practicality, make the seat can remove, thereby reach the effect that can adapt to different crowds.

However, the limb rehabilitation device in the prior art usually needs to complete the training task together with the strength of the stroke patient or other auxiliary devices, but the limb strength of the stroke patient is weak, so the rehabilitation device which needs to be actively operated by the patient or other people has poor rehabilitation training effect on the stroke patient, which not only causes discomfort of the stroke patient, but also increases the working strength of other guardians and consumes a lot of time and energy. Thus, there remains a need in the art for at least one or several aspects of improvement.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an unconscious patient limbs rehabilitation device for intensive care unit nursing aims at solving at least one or more technical problem that exists among the prior art.

In order to achieve the above object, the utility model provides an unconscious patient limb rehabilitation device for intensive care unit nursing includes at least: the base, it can place in ground to be used for bearing and installing recovered subassembly.

Preferably, the surface of the base is respectively provided with a first rehabilitation mechanism and a second rehabilitation mechanism, wherein the first rehabilitation mechanism at least comprises a second support plate for accommodating the foot of the patient, and the second support plate moves along the axial direction of a sliding track in the first rehabilitation mechanism so that the lower limb of the patient can move in a stepping mode along with the movement of the second support plate; and the second rehabilitation mechanism at least comprises a first holding rod and a second holding rod which are used for the hand of the patient to grasp, wherein the first holding rod and the second holding rod can drive the upper limb of the patient to do telescopic motion according to a centrifugal rotating mode.

Preferably, the sliding track has a sliding channel disposed along an axial direction thereof for movement of the second support plate, at least one rotary slide bar is disposed in the sliding channel in a manner of driving the second support plate to move along the axial direction thereof, and the second support plate is connected to the rotary slide bar through a connecting plate sleeved on a circumferential outer side of the rotary slide bar.

Preferably, the base is provided with at least one first connecting portion at a local position away from one side of the ground, wherein a driving motor is arranged in the first connecting portion, and the driving motor is connected to the rotary slide rod in a manner of driving the rotary slide rod to rotate, so that the rotary slide rod can drive the second support plate connected with the rotary slide rod to move based on the driving of the motor.

Preferably, be located at the base surface between at least one first connecting portion and be provided with the second connecting portion, the telescopic link is connected in the one end of second connecting portion along its axial according to the mode that can adjust the second mechanism of rehabilitating height.

Preferably, the telescopic rod is connected with a platform for switching along the other axial end thereof, one side of the platform, which is far away from the base, is provided with a functional part, and one side of the platform, which is parallel to the base, is connected to the second rehabilitation mechanism.

Preferably, the second rehabilitation mechanism further comprises at least a disk, wherein the first holding rod and the second holding rod can be connected to two axial sides of the disk in a rotating mode around the central axis of the disk, and the end parts of the first holding rod and the second holding rod, which are positioned in the disk, are connected with the driving motor in the platform.

Preferably, at least one supporting rod capable of being used for adjusting the height is arranged at a local position on one side of the base far away from the ground, and the supporting rod is installed in a sliding groove arranged at the first end and/or the second end of the base in a mode of moving along the axial direction of the base.

Preferably, the support rod comprises at least a first support rod and a second support rod, wherein the first support rod is movably connected to the second support rod in a manner of moving along the axial direction of the second support rod.

Preferably, a first supporting plate is arranged between at least one supporting rod, wherein the first supporting plate is movably connected to the first supporting rod in a manner of rotating around the axis of the connecting part of the first supporting rod.

Preferably, one side of the first support rod close to the first support plate is movably connected with a first connecting rod, the other end of the first connecting rod is connected with a second connecting rod, and the other end of the second connecting rod is connected with the side wall surface of the first support plate, so that the first support plate can be arranged between at least one support rod in a parallel and/or perpendicular mode based on the movable connection of the first connecting rod and the second connecting rod.

The beneficial technical effects of the utility model include following one or more:

1. the utility model has the advantages of simple structure, operation method is simple and easy.

2. The utility model discloses can make stroke patient's upper limbs or low limbs move along with the device passively, consequently do not need stroke patient self or the auxiliary force of other extra apparatus to promoted stroke patient's use comfort, and improved treatment, alleviateed medical personnel or its family's burden simultaneously.

3. The utility model discloses can combine different patients 'rehabilitation treatment demand, make the training of pertinence to patient's upper and lower limbs selectively to promote rehabilitation training efficiency and effect to patient.

4. The utility model discloses can adjust rehabilitation device's bearing structure based on patient's treatment demand and individual attitude characteristic adaptability to promote different patients ' use comfort, and cooperate rehabilitation institution to improve or promote the training effect to the patient simultaneously.

Drawings

Fig. 1 is a preferred side view of the present invention;

fig. 2 is a top view of the present invention.

List of reference numerals

10: base 10 a: first end portion 10 b: second end portion

101: the sliding groove 11: the support bar 11 a: first support rod

11 b: the second support bar 12: the connecting rod 12 a: first connecting rod

12 b: second link 13: first support plate 14 a: first connecting part

14 b: second connection portion 15: the telescopic rod 16: platform

20: the functional section 30: first rehabilitation mechanism 301: sliding rail

301 a: first chute 301 b: second slide 302: sliding channel

303: rotating the slide bar 304: connecting plate 305: second support plate

306: the belt body 40: the second rehabilitation mechanism 401: disc with a circular groove

402 a: first grip 402 b: second holding rod

Detailed Description

This is described in detail below with reference to fig. 1-2.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be understood that unless otherwise explicitly specified or limited, "over" or "under" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides an unconscious patient limb rehabilitation device for intensive care unit nursing can include one of following parts: a base 10 having a substantially rectangular platform shape; a first rehabilitation mechanism 30 for training the lower limb of the patient and a second rehabilitation mechanism 40 for training the upper limb of the patient are respectively arranged on one side of the base 10 which is far away from the ground in the vertical direction.

According to a preferred embodiment, a sliding slot 101 is formed at each of the first end 10a and the second end 10b of the base 10 located at a side thereof away from the ground. Further, a substantially cylindrical support rod 11 is installed in the chute 101 in a direction perpendicular to the ground.

According to a preferred embodiment, the support bar 11 comprises a first support bar 11a and a second support bar 11 b. The movable connection between the first support bar 11a and the second support bar 11b may take the form of a bar, for example, in a tube. Preferably, a plurality of matching mounting holes are formed in the outer side surfaces of the first support bar 11a and the second support bar 11b at intervals, and the first support bar 11a and the second support bar 11b can be connected and fixed through bolts and the like, and the overall height of the support bar 11 formed by connecting the first support bar 11a and the second support bar 11b can be adjusted based on the point positions of different mounting holes.

According to a preferred embodiment, a substantially threaded channel with a plurality of stop grooves is provided in the sliding groove 101, and a plurality of mounting holes are provided on the side of the base 10 corresponding to the sliding groove 101. The end of the second support bar 11b located in the slide groove 101 has a mounting hole matching the shape of the side of the base 10. While the fixing point of the support rod 11 in the horizontal direction of the base 10 is adjusted based on the threaded channel structure in the slide groove 101, the support rod 11 may be fixed in the slide groove 101 using a member such as a bolt.

According to a preferred embodiment, a first support plate 13, substantially in the form of a U-plate, is arranged between at least two support rods 11 located on the surface of the base 10. The first support plate 13 is connected to the support rods 11 at both sides thereof by a connection structure such as a link 12. Further, a connecting shaft is provided at a substantially middle position of the first support 11a near the first support plate 13, and a first link 12a provided perpendicularly to the connecting shaft is rotatably connected thereto via the connecting shaft. The other end of the first link 12a is rotatably connected to one end of a second link 12b arranged in parallel therewith. The other end of the second connecting rod 12b is rotatably connected to the inner side wall surfaces of the two ends of the first supporting plate 13. In addition, a connecting rotary shaft is provided at a position substantially close to the rear side surface of both sides of the first support plate 13, through which the first support plate 13 can be rotatably connected to the first support rods 11a at both sides thereof, respectively.

According to a preferred embodiment, the first support plate 13 is arranged parallel to the base 10 or perpendicular to the support bar 11 when the first and second connecting

rods

12a and 12b are in a parallel but misaligned condition. At this time, the first support plate 13 in the horizontal state can be used as a seat for rehabilitation training of the patient. On the other hand, when the first link 12a and the second link 12b are in a parallel and overlapped state, the first support plate 13 is disposed in a perpendicular manner to the base 10 or in a parallel manner to the support rod 11. At this time, the first support plate 13 in the vertical state may be used as a backrest for rehabilitation training of the patient.

Preferably, while different kinds of training postures of the patient are provided through the one kind of connection structure of the link 12, the training postures of the patient can be simultaneously adaptively adjusted from various aspects based on the chute 101 and the movable connection structure between the first support bar 11a and the second support bar 11 b. For example, based on the rehabilitation training requirement of the patient, the arrangement position of the first supporting plate 13 is adjusted to provide a corresponding sitting posture or standing posture mode; or the connection length between the first support rod 11a and the second support rod 11b is adjusted to adapt to the personal posture of the patient and the diversity of the training postures; or the installation position of the support rod 11 is changed by adjusting the fixed point position of the support rod 11 in the sliding groove 101 so as to match the length change of the support rod 11 and the change of the setting direction of the first support plate 13, thereby adaptively matching the personal posture of the patient, the training method and other factors.

According to a preferred embodiment, a first rehabilitation mechanism 30 is provided on the surface of the base 10 substantially adjacent to both the first end 10a and the second end 10b, the first rehabilitation mechanism 30 may include one of the following: a slide rail 301, a slide channel 302, a rotary slide bar 303, a connecting plate 304, a second support plate 305, and a strap 306.

According to a preferred embodiment, a sliding rail 301 is provided at a position close to the first end 10a or the second end 10b on a side of the base 10 away from the ground in the vertical direction. Specifically, the slide rail 301 includes a first slide 301a located near the first end 10a, and a second slide 301b located near the second end 10 b.

According to a preferred embodiment, a slide channel 302 recessed toward the inside of the rail is provided along the axial direction of the first and

second slide ways

301a and 301 b. Mounted within the slide channel 302 is a rotary slide 303, generally in the form of a threaded rod. The rotary slide bar 303 is disposed in parallel to the slide groove 302.

According to a preferred embodiment, the sliding rail 301 is connected at one end in its axial direction to a first connecting portion 14a of a substantially rectangular cavity configuration. Specifically, a driving motor capable of rotating in two directions is installed inside the first connecting portion 14a, and one end of the driving motor is connected to the rotary sliding rod 303. The circumferential outer side of the rotary sliding rod 303 is sleeved with a connecting plate 304 with a threaded hole inside.

According to a preferred embodiment, a second support plate 305 is attached to one side of the connection plate 304 in the vertical direction. The second support plate 305 is provided with a recess on a side thereof remote from the attachment plate 304 for receiving the foot of the patient. A strap 306 capable of being disposed in a direction substantially perpendicular to the patient's foot is also attached to each side of the second support plate 305. When the patient places the feet on the surface of the second support plate 305, the feet of the patient are further fixed by the strap 306. Preferably, area body 306 can adopt magic thread gluing structure to the convenience is adjusted the fastening dynamics, avoids patient's foot completely to the while unable activity to a certain extent, with the comfort level when improving the patient and using.

Preferably, the rate of the rotation of the rotary slide bar 303 in the counterclockwise or clockwise direction can be controlled by the driving motor, so that the direction and rate of the movement of the connecting plate 304 connected to the rotary slide bar 303 and the second supporting plate 305 along the axis of the slide rail 301 can be controlled, so that the feet of the patient can follow the movement of the second supporting plate 305 to perform the step-by-step exercise passively when the left and right feet of the patient are fixed to the second supporting plate 305.

According to a preferred embodiment, a second connection portion 14b of substantially plate-like configuration, arranged in a direction perpendicular to the base 10, is arranged and/or connected between the two first connection portions 14a connected to the first slide 301a and the second slide 301b, respectively. Further, an end of the second connecting portion 14b away from the base 10 is connected to a telescopic rod 15 disposed in a substantially inclined state. Preferably, the connection between the telescopic rod 15 and the second connection portion 14b can be in the form of a rod-in-tube, so that the height of the second rehabilitation mechanism 40 in the direction perpendicular to the base 10 can be changed by adjusting the position of the telescopic rod 15 in the second connection portion 14 b. The other end of the telescopic rod 15 is connected to a platform 16 for switching.

According to a preferred embodiment, a functional part 20 is connected to the platform 16 on the side facing away from the base 10 in the vertical direction. Specifically, the function section 20 includes, but is not limited to, a display screen, operation keys, and the like.

According to a preferred embodiment, a second rehabilitation mechanism 40 is attached to the platform 16 on the side opposite the support bar 11 in the horizontal direction. Specifically, the second rehabilitation mechanism 40 may include one of the following components: a disc 401, a first grip 402a and a second grip 402 b. The platform 16 is connected to the disc 401 on one side in the horizontal direction. Further, a first grip 402a and a second grip 402b are respectively provided on both sides in the axial direction of the disc 401, wherein the first grip 402a is used for the left-hand grip of the patient, and the second grip 402b is used for the right-hand grip of the patient. Preferably, a driving motor is also arranged in the platform 16, and the ends of the first holding rod 402a and the second holding rod 402b, which are positioned in the disc 401, are connected with the driving motor in the platform 16, so that in a state that the left hand and the right hand of the patient are respectively held by the first holding rod 402a and the second holding rod 402b, the driving motor can control the first holding rod 402a and the second holding rod 402b to alternatively rotate by taking the connecting axis of the connecting part with the disc 401 as a rotating shaft, thereby enabling the upper limb of the patient to passively follow the rotation of the first holding rod 402a and the second holding rod 402b to perform stretching or contracting rehabilitation training.

According to a preferred embodiment, the functional unit 20 can control the start and stop of the driving motors in the first connecting unit 14a and in the platform 16, so as to control the actual training mode of the patient, for example, only performing a single training or performing a synchronous training on the lower or upper limbs of the patient. On the other hand, the functional unit 20 adjusts the operation mode of the driving motor, so as to adjust the motion mode of the lower limb of the patient based on the first rehabilitation mechanism 30 and the motion mode of the upper limb of the patient based on the second rehabilitation mechanism 30, for example, the rotation direction of the hand of the patient when the hand rotates along with the first holding rod 402a and the second holding rod 402b can be changed, and different stretching states of the left upper limb and the right upper limb of the patient when the left upper limb and the right upper limb of the patient rotate along with the holding rods can be determined. In addition, according to the actual treatment requirements of different patients, the training time and the movement speed of the rehabilitation mechanism of the patient during rehabilitation training based on the first rehabilitation mechanism 30 and/or the second rehabilitation mechanism 40 can be set through the functional unit 20.

For easy understanding, the working principle and the using method of the unconscious patient limb rehabilitation device for intensive care unit nursing of the utility model are discussed.

When using the rehabilitation device provided according to the application, at first will the utility model discloses a rehabilitation device places in suitable place. Depending on the treatment needs of different patients, the patient is assisted in positioning or placing their lower limbs on the second support plate 305 in the first rehabilitation mechanism 30 and their upper limbs on the

grips

402a and 402b in the second rehabilitation mechanism 40, respectively. Secondly, based on patient's recovered demand and combine patient's individual attitude, through the fixed point position of adjusting bracing piece 11, the body of rod height and the mode of putting etc. of first backup pad 13, the adaptability provides in the best training gesture of patient to make the patient can train with the mode of standing or sitting quietly, on the basis based on the gesture of difference, thereby improve its comfort level and improve rehabilitation's efficiency and effect. In addition, the functional unit 20 sets a training mode of the patient, presets relevant training parameters such as time, speed, etc., and selectively activates one or the other of the rehabilitation mechanisms according to the rehabilitation requirement of the patient, so as to perform rehabilitation training on the upper and lower limbs of the patient respectively or simultaneously.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. An unconscious patient limb rehabilitation device for intensive care unit care, comprising at least:

a base (10) which can be placed on the ground and is used for carrying and installing the rehabilitation component,

it is characterized in that the preparation method is characterized in that,

the surface of the base (10) is respectively provided with a first rehabilitation mechanism (30) and a second rehabilitation mechanism (40), wherein,

the first rehabilitation mechanism (30) at least comprises a second supporting plate (305) for containing the feet of the patient, wherein the second supporting plate (305) moves along the axial direction of a sliding track (301) in the first rehabilitation mechanism (30) so as to enable the lower limbs of the patient to move in a stepping mode along with the movement of the second supporting plate (305),

and the second rehabilitation mechanism (40) at least comprises a first holding rod (402a) and a second holding rod (402b) for the hands of the patient to grasp, wherein the first holding rod (402a) and the second holding rod (402b) can drive the upper limbs of the patient to do telescopic motion according to a centrifugal rotation mode.

2. The rehabilitation device according to claim 1, wherein the sliding track (301) has a sliding channel (302) arranged along its axial direction for the movement of the second support plate (305), at least one rotary slide bar (303) is arranged in the sliding channel (302) in such a way as to drive the second support plate (305) to move along its axial direction, and the second support plate (305) is connected to the rotary slide bar (303) by a connecting plate sleeved on the circumferential outer side of the rotary slide bar (303).

3. The rehabilitation device according to claim 1 or 2, characterized in that at least one first connection part (14a) is arranged at a local position of the side of the base (10) away from the ground, wherein a driving motor is arranged in the first connection part (14a), and the driving motor is connected to the rotary slide bar (303) in a manner of driving the rotary slide bar (303) to rotate, so that the rotary slide bar (303) can drive the second support plate (305) connected with the rotary slide bar to move based on the motor drive.

4. The rehabilitation device according to claim 1 or 2, wherein a second connecting portion (14b) is provided between at least one first connecting portion (14a) on the surface of the base (10), and a telescopic rod (15) is connected to one end of the second connecting portion (14b) in the axial direction thereof in such a manner that the height of the second rehabilitation mechanism (40) can be adjusted.

5. The rehabilitation device according to claim 4, characterized in that the telescopic rod (15) is connected with a platform (16) for switching along the other end of the telescopic rod in the axial direction, a functional part (20) is arranged on one side of the platform (16) far away from the base (10), and one side of the platform (16) parallel to the base (10) is connected with a second rehabilitation mechanism (40).

6. The rehabilitation device according to claim 1 or 5, characterized in that the second rehabilitation mechanism (40) further comprises at least a disc (401), wherein a first grip (402a) and a second grip (402b) are connectable to axial sides of the disc (401) in a rotatable manner about the central axis of the disc (401), and the ends of the first grip (402a) and the second grip (402b) located inside the disc (401) are connected to a drive motor inside the platform (16).

7. The rehabilitation device according to claim 1, characterized in that the base (10) is provided, at a local position on the side remote from the ground, with at least one support bar (11) which can be used for adjusting the height, the support bar (11) being mounted in a slide (101) provided at the first end (10a) and/or the second end (10b) of the base (10) in such a way as to move axially along the base (10).

8. The rehabilitation device according to claim 7, characterized in that the support bars (11) comprise at least a first support bar (11a) and a second support bar (11b), wherein the first support bar (11a) is articulated to the second support bar (11b) in such a way as to move axially along the second support bar (11 b).

9. The rehabilitation device according to claim 7 or 8, characterized in that a first support plate (13) is arranged between at least one of the support rods (11), wherein the first support plate (13) is movably connected to the first support rod (11a) in a manner of rotating around the axis of the first support rod (11a) and the connection part thereof.

10. The rehabilitation device according to claim 9, wherein a first link (12a) is movably connected to a side of the first support bar (11a) close to the first support plate (13), the other end of the first link (12a) is connected to the second link (12b), and the other end of the second link (12b) is connected to a sidewall surface of the first support plate (13), so that the first support plate (13) can be disposed between the at least one support bar (10) in parallel and/or perpendicular to the base (10) based on the movable connection of the first link (12a) and the second link (12 b).