CN114681231A

CN114681231A - Nursing sickbed for long-term bedridden patient

Info

Publication number: CN114681231A
Application number: CN202210399530.2A
Authority: CN
Inventors: 姜颖; 袁继超; 李光建; 陈林; 冉鸿; 后显华; 黄嘉璐; 梁丁文; 周林科; 桂莉
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-01

Abstract

The invention discloses a nursing sickbed for patients lying in bed for a long time, which comprises a sickbed main body, wherein a transfer bed is arranged on one side of the sickbed main body, the sickbed main body comprises a main bed plate, a rotating shaft and a mattress, a supporting structure is arranged on the top surface of the main bed plate, the supporting structure comprises a pair of seat plates, a massage belt and a rotating motor, a plurality of transfer structures are arranged above the sickbed main body, and each transfer structure comprises a hanging rail fixed at the roof above the sickbed main body, a pulley arranged on the hanging rail and connected with the hanging rail in a sliding manner, a pull rope sleeved on the pulley and a belt body hung at the tail end of the pull rope. According to the invention, through the arranged transferring structure, when a patient needs to be transferred, the belt body can be wound around the body of the patient, the head end of the pull rope is pulled, the patient is lifted, the belt body moves to the upper part of the transferring bed on the hanging rail through the pulley, and the pull rope is loosened, so that the patient can be landed on the transferring bed, and the labor amount of nursing staff is reduced.

Description

Nursing sickbed for long-term bedridden patient

Technical Field

The invention belongs to the technical field of nursing beds, and particularly relates to a nursing sickbed for long-term bedridden patients.

Background

After the palsy or paralysed patient need lie in the sick bed for a long time because of lacking the ability of independently moving, consequently the palsy patient needs nursing staff to carry out long-term nurse after the palsy, the in-process of nursing is carried out to the palsy patient after the palsy or paralysed patient, just need nursing staff to carry the patient to after transporting the bed when needing nursing staff to carry out medical examination, the rethread transports the bed and transports to the inspection department, because patient's self no-movement ability, make and to need a large amount of manpowers to carry when transporting the patient, make patient's handling waste time and energy just dangerous.

Disclosure of Invention

The invention aims to provide a nursing sickbed for long-term bedridden patients, which solves the problems in the prior art.

In order to achieve the purpose, the nursing sickbed for the patients lying in bed for a long time comprises a sickbed main body, wherein a transfer bed is arranged on one side of the sickbed main body, the sickbed main body comprises a main bed plate, a rotating shaft and a mattress, the rotating shaft is rotatably connected to the bottom of the main bed plate, a supporting structure is arranged on the top surface of the main bed plate, the mattress is laid on the top surface of the supporting structure, the supporting structure comprises two seat plates which are hinged to each other, a massage belt which is rotatably connected to the seat plates and a rotating motor which is installed at the edges of the bottom surfaces of the seat plates, and a plurality of transfer structures are arranged above the sickbed main body.

According to the technical scheme, the top surface of the main bed plate is provided with a clearance groove corresponding to the position of the massage belt, two ends of the same side edge of the main bed plate are respectively provided with a clearance hole, and the clearance holes are used for being connected with and fixing the rotating motor.

In the technical scheme of the invention, bosses are fixed at the bottom positions of the head and tail ends of a main bed plate, two bosses are respectively penetrated through and rotatably connected with the bosses at the head and tail ends of a rotating shaft, external threads are arranged on the peripheral surface of the tail end of the rotating shaft, a movable sleeve is in threaded connection with the outer side of the external threads, a resisting plate is fixed on the top side surface of the movable sleeve, the head and tail ends of the resisting plate are respectively attached to the bottom surface of the main bed plate, a first hinged support is arranged on the top side surface of the movable sleeve, a supporting rod is hinged on the first hinged support, one end of the supporting rod, far away from the first hinged support, is inclined upwards, one end of the supporting rod, far away from the first hinged support is hinged to the bottom surface of a bed plate positioned at a bed head, and a rocker is fixed at the head end of the rotating shaft.

In the technical scheme of the invention, through grooves are formed in the edges of the left side and the right side of the top surface of the seat board, the massage belt penetrates through the through grooves, and a plurality of rotating rods are rotatably connected to the top surface of the seat board between the through grooves.

In the technical scheme of the invention, the seat board positioned at the tailstock is fixed on the main bed board, the bottom end face of the seat board positioned at the head of a bed is fixed with a second hinged support, and one end of the support rod far away from the first hinged support extends into the second hinged support and is hinged with the second hinged support.

According to the technical scheme, the rotating rollers are sleeved at the head end and the tail end of the inner side of the massage belt, the two rotating rollers are respectively installed in the two through grooves in the seat plate, the rotating rollers positioned on the outer side are coaxially connected with driven gears, a plurality of massage bulges are arranged on the surface of the outer side of the massage belt, the tail end of an output shaft of the rotating motor is in keyed connection with a driving gear, and the driving gear is meshed with the driven gears.

In the technical scheme of the invention, the transfer structure comprises an overhead rail fixed on a roof above the sickbed main body, a pulley arranged on the overhead rail and connected with the overhead rail in a sliding manner, a pull rope sleeved on the pulley and a belt body hung at the tail end of the pull rope.

According to the technical scheme, the head end of the hanger rail is located above the sickbed main body, the tail end of the hanger rail is located above the transfer bed, a sliding cavity is formed in the hanger rail, stop blocks are mounted at the head end and the tail end of the sliding cavity, a pulley seat is sleeved on the outer side of the pulley, the pulley is rotatably connected with the pulley seat, rollers are rotatably connected to the left edge and the right edge of the top end of the pulley seat, and the rollers extend into the sliding cavity and can roll in the hanger rail.

According to the technical scheme, a hanging seat is fixedly fastened at the tail end of a pull rope, hanging plates are arranged on the left side end face and the right side end face of the hanging seat, a handle is fixedly fastened at the head end of the pull rope, a pair of hooks is fixed on the side surface of the handle, a plurality of fixed knots are fixed on the pull rope close to the hanging seat, the handle can be connected to the fixed knots in a hanging mode through the hooks, and a loop bar is further sleeved on the pull rope.

According to the technical scheme, the belt body is of a flexible belt-shaped structure, the head end and the tail end of the belt body are respectively sleeved with the hanging rod, and the belt body is hung on the hanging plate through the hanging rods.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through the supporting structure arranged on the sickbed main body, the seat plate positioned at the bedside position on the supporting structure can be turned upwards under the rotation of the rotating shaft, so that a nursing staff can assist a patient to sit and stand and train upper limbs by turning the seat plate, and meanwhile, after the rotating shaft is shaken to restore the original state of the seat plate, the sickbed main body is restored to a common sickbed.

2. According to the invention, the massage belt is arranged in the seat board, and the plurality of massage bulges are arranged on the surface of the massage belt, so that the rotary motor can drive the massage belt to circularly move when in work, and when the massage belt drives the massage bulges to move to the lower part of the body of a patient, the massage bulges can massage the body of the patient, thereby being beneficial to increasing the blood circulation of the body of the patient and preventing the venous thrombosis of the patient lying in bed for a long time.

3. According to the invention, through the transfer structure arranged above the sickbed main body, when a patient needs to be transferred, the belt body can be hung on the hanging seat after being surrounded by the body of the patient, and at the moment, the nursing staff can pull the pull rope and enable the head end of the pull rope to be hung on the pull rope through the handle, so that the patient can keep a suspended state under the pulling of the pull rope, the patient can conveniently and safely transfer between the sickbed main body and the transfer bed, and the labor capacity of the nursing staff is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting of the support structure of the present invention;

FIG. 3 is a structural view of a rotating shaft according to the present invention;

FIG. 4 is an exploded view of the support structure of the present invention;

FIG. 5 is a structural view of a seat plate according to the present invention;

FIG. 6 is a structural view of the massage belt of the present invention;

FIG. 7 is a bottom view of the support structure of the present invention;

FIG. 8 is a schematic view of the support structure of the present invention in a tilted state;

FIG. 9 is a structural view of a transport structure in the present invention;

FIG. 10 is a partial view of the hanger rail of the present invention;

FIG. 11 is a view showing the construction of a pulley according to the present invention;

FIG. 12 is a partial view of the pull cord of the present invention;

fig. 13 is a structural view of the tape body of the present invention.

Description of reference numerals:

1-a hospital bed body; 11-main bed board; 111-clearance groove; 112-clearance avoidance opening; 113-boss; 12-a rotating shaft; 121-external threads; 122-a movable sleeve; 1221-a resisting plate; 1222-a first hinge base; 123-stay bar; 124-rocker; 13-a mattress; 2-a support structure; 21-a seat board; 211-through slots; 212-rotating levers; 213-second hinge base; 22-massage belt; 221-a rotating roller; 2211-driven gear; 222-massaging the bumps; 23-a rotating electric machine; 231-a drive gear; 3-a transport structure; 31-a hanger rail; 311-a sliding cavity; 312-a stop block; 32-a pulley; 321-a pulley seat; 322-a roller; 33-a pull rope; 331-a hanging seat; 3311-hanging plate; 332-a handle; 3321-hook; 333-fixed knot; 334-loop bar; 34-a belt body; 341-hanging rod; 4-transfer bed.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Referring to fig. 1 to 13, the nursing sickbed for long-term bedridden patients of the invention comprises a sickbed main body 1, wherein a transfer bed 4 is arranged on one side of the sickbed main body 1, and the sickbed main body 1 comprises a main bed board 11, a rotating shaft 12 rotatably connected to the bottom of the main bed board 11 and a mattress 13; the top surface of main bed board 11 is provided with bearing structure 2, and mattress 13 lays on bearing structure 2's top surface, and bearing structure 2 includes the bedplate 21 of two articulated connections, rotates the massage belt 22 of connecting on bedplate 21 and installs the rotation motor 23 at bedplate 21 bottom surface edge.

In the invention, the bosses 113 are fixed at the bottom positions of the first and the last ends of the main bed plate 11, and the first and the last ends of the rotating shaft 12 respectively penetrate through the two bosses 113 and are rotatably connected with the bosses 113, so that the rotating shaft 12 can rotate between the two bosses 113. Be equipped with external screw thread 121 on the terminal peripheral surface of axis of rotation 12, the outside threaded connection of external screw thread 121 has movable sleeve 122, the top side of movable sleeve 122 is fixed with and supports board 1221, the first and last both ends of supporting board 1221 all laminate mutually with the bottom surface of main bed board 11, under the butt of supporting board 1221, make movable sleeve 122 can keep fixed posture on axis of rotation 12, prevent that movable sleeve 122 from rotating along with axis of rotation 12 is together, the head end of axis of rotation 12 is fixed with rocker 124, can drive axis of rotation 12 when making the nursing staff wave rocker 124 and rotate. The top side of the movable sleeve 122 is provided with a first hinge seat 1222, the first hinge seat 1222 is hinged with a support rod 123, one end of the support rod 123 far away from the first hinge seat 1222 is inclined upwards, and one end of the support rod 123 far away from the first hinge seat 1222 is hinged to the bottom surface of the seat plate 21 located at the head of the bed. When the rotating shaft 12 rotates, the movable sleeve 122 moves along the rotating shaft 12 under the action of the screw threads, so that the movable sleeve 122 drives the support rod 123 to move together, and one end of the support rod 123 far away from the first hinge seat 1222 moves in the vertical direction to jack up one side of the seat plate 21 located at the head of a bed.

Specifically, the bedplate 21 that is located the tailstock is fixed on main bed board 11, the bedplate 21 that is located the head of a bed can rotate around fixed bedplate 21, be fixed with second hinged support 213 on the bottom face of the bedplate 21 that is located the head of a bed, the one end that first hinged support 1222 was kept away from to vaulting pole 123 stretches into in the second hinged support 213 and articulates with second hinged support 213, make nursing staff when waveing axis of rotation 12, make the movable sleeve 122 take place the upset through the bedplate 21 that the vaulting pole 123 drove and is located the head of a bed, make nursing staff can assist the patient to sit upright and carry out the training of upper limbs through upset bedplate 21.

Further, the top surface of the main bed plate 11 is provided with a clearance groove 111 corresponding to the position of the massage belt 22, two ends of the same side of the main bed plate 11 are respectively provided with a clearance 112, and the clearance 112 is used for connecting and fixing the rotating motor 23, so that the massage belt 22 and the rotating motor 23 can be prevented from being scratched on the main bed plate 11.

In addition, the left and right sides edge of bedplate 21 top surface all has been seted up and has been led to the groove 211 that is penetrating form, and massage belt 22 passes from between two through grooves 211, rotates on bedplate 21 top surface between two through grooves 211 and is connected with a plurality of dwang 212, and the dwang 212 cover is established in massage belt 22's inboard and is laminated mutually with the top inner wall of massage belt 22.

It is worth noting that the rotating rollers 221 are respectively sleeved at the first end and the last end of the inner side of the massage belt 22, the two rotating rollers 221 are respectively installed in the two through grooves 211 on the seat plate 21, the rotating rollers 221 positioned at the outer side are coaxially connected with driven gears 2211, a plurality of massage protrusions 222 are arranged on the outer side surface of the massage belt 22, the tail end of the output shaft of the rotating motor 23 is in key connection with a driving gear 231, and the driving gear 231 is meshed with the driven gears 2211. When the rotary motor 23 is connected to an external power source, the rotary motor 23 starts to work and drives the driving gear 231 to rotate, so that the driving gear 231 drives the driven gear 2211 to rotate, and the rotary roller 221 drives the massage belt 22 to perform a circular motion; when the massage belt 22 moves the massage protrusions 222 to the lower part of the body of the patient in the moving process, the massage protrusions 222 can massage the body of the patient, so that the blood circulation of the body of the patient is increased, and the venous thrombosis of the patient lying in bed for a long time is prevented.

In the above scheme, a plurality of transfer structures 3 are arranged above the hospital bed main body 1, and each transfer structure 3 comprises an hanger rail 31 fixed on a roof above the hospital bed main body 1, a pulley 32 installed on the hanger rail 31 and slidably connected with the hanger rail 31, a pull rope 33 sleeved on the pulley 32, and a belt body 34 hung at the tail end of the pull rope 33.

Specifically, the head end of hanger rail 31 is located the top of sick bed main part 1, the end of hanger rail 31 is located the top of transfer bed 4, slip chamber 311 has been seted up to hanger rail 31's inside, stop block 312 is all installed at the first end both ends in slip chamber 311, the outside cover of pulley 32 is equipped with pulley seat 321, pulley 32 rotates with pulley seat 321 to be connected, the left and right sides edge on pulley seat 321 top all rotates and is connected with gyro wheel 322, gyro wheel 322 stretches into in the slip chamber 311 and can roll in hanger rail 31, make pulley seat 321 can remove between the top of sick bed main part 1 and transfer bed 4 along hanger rail 31 in the inside in slip chamber 311. And at the same time, the pulley seat 321 is prevented from being disengaged from the end of the hanger rail 31 under the blocking of the stopper 312.

Furthermore, a hanging seat 331 is fastened and fixed at the tail end position of the pull rope 33, hanging plates 3311 are arranged on the left side end face and the right side end face of the hanging seat 331, a pull handle 332 is fastened and fixed at the head end of the pull rope 33, and a caregiver pulls the pull rope 33 through the pull handle 332 by pulling the pull handle 332, so that the height of the hanging seat 331 is controlled, and the patient can be lifted and lowered. A pair of hooks 3321 are fixed on the side surface of the pull handle 332, a plurality of fixing knots 333 are fixed on the pull rope 33 near the hanging seat 331, the pull handle 332 can be hung on the fixing knots 333 through the hooks 3321, and the hanging seat 331 can be kept at a fixed position when bearing the weight under the hanging of the hooks 3321. The pull rope 33 is further sleeved with a sleeve rod 334, so that the upper part of the pull rope 33 is sleeved in the sleeve rod 334, the pull rope 33 can be bundled together, and the pull rope 33 is prevented from scattering.

In addition, the belt body 34 is a flexible belt-shaped structure, the first end and the last end of the belt body 34 are both sleeved with the hanging rods 341, and the belt body 34 is hung on the hanging plates 3311 through the hanging rods 341. When the patient needs to be transported between the hospital bed main body 1 and the transport bed 4, the nursing staff can pass the belt body 34 through the lower part of the patient body and then respectively connect the head end and the tail end of the belt body 34 to the two hanging plates 3311, then pull the handle 332 to enable the handle 332 to pass through the pull rope 33 and enable the patient to be lifted upwards under the action of the pulley 32, at the moment, the patient keeps a suspended state by enabling the hook 3321 to be connected to the fixing knot 333 in a hanging mode, then the nursing staff can move along the hanging rail 31 under the action of the pulley seat 321 by pulling the pull rope 33, and after the patient moves to the position needing to be transported, the hook 3321 is loosened from the fixing knot 333 and the pull rope 33 is loosened to put down the patient, so that the purpose of conveniently and safely transporting the patient is achieved, and the labor amount of the nursing staff is saved.

The working principle of the nursing sickbed for the long-term bedridden patient is as follows:

at first when need sit to stand and assist the patient to carry out the training of upper limbs to the patient, the nursing staff accessible waves axis of rotation 12, makes the movable sleeve 122 can move along axis of rotation 12 under the effect of screw thread to can make the movable sleeve 122 pass through vaulting pole 123 and drive the bedplate 21 that is located the bedside and take place the upset, make the nursing staff can assist the patient to sit through upset bedplate 21 and stand and carry out the training of upper limbs.

Then when the body of the patient lying in bed for a long time needs to be massaged, the nursing staff can make the body of the patient align with the massage belt 22 by swinging the posture of the patient, the nursing staff connects the rotating motor 23 with the external power supply, the rotating motor 23 starts to work and drives the driving gear 231 to rotate, the rotating roller 221 drives the massage belt 22 to perform circular motion under the transmission of the gear, when the massage belt 22 makes the massage protrusions 222 move to the lower part of the body of the patient in the moving process, the massage protrusions 222 can massage the body of the patient, the blood circulation of the body of the patient can be increased, and the situation that the patient lying in bed for a long time generates venous thrombosis can be prevented.

Finally, when the patient needs to be transported between the hospital bed body 1 and the transport bed 4, the nursing staff can hang the belt body 34 on the two hanging plates 3311 respectively at the first end and the last end of the belt body 34 after passing through the lower part of the body of the patient, then the nursing staff pulls the handle 332 and enables the hook 3321 to be hung on the fixed knot 333, so that the patient can be lifted upwards and kept in a suspended state, then the nursing staff can enable the pull rope 33 to move along the hanging rail 31 under the action of the pulley seat 321 by pulling the pull rope 33, after the patient moves to the position needing to be transported, the hook 3321 is loosened from the fixed knot 333 and the pull rope 33 is loosened, so that the patient can be put down, the purpose of conveniently and safely transporting the patient is achieved, and the labor amount of the nursing staff is saved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a nursing sick bed for long-term bed patient, includes sick bed main part (1), one side of sick bed main part (1) is provided with transports bed (4), its characterized in that: sick bed main part (1) is connected including main bed board (11), rotation axis (12) and mattress (13) of main bed board (11) bottom, the top surface of main bed board (11) is provided with bearing structure (2), mattress (13) are laid on the top surface of bearing structure (2), bearing structure (2) include bedplate (21), the rotation connection of two articulated connections be in massage area (22) on bedplate (21) and install the rotation motor (23) of bedplate (21) bottom surface edge, the top of sick bed main part (1) is provided with a plurality of transport structure (3).

2. The care bed for chronically ambulatory patients according to claim 1, wherein: the top surface of the main bed board (11) is provided with a clearance groove (111) corresponding to the position of the massage belt (22), two ends of the same side edge of the main bed board (11) are respectively provided with a clearance opening (112), and the clearance openings (112) are used for connecting and fixing the rotating motor (23).

3. The care bed for chronically ambulatory patients according to claim 1, wherein: the bed is characterized in that bosses (113) are fixed at the bottom positions of the head end and the tail end of the main bed plate (11), two bosses (113) are respectively penetrated through and rotatably connected with the bosses (113) at the head end and the tail end of the rotating shaft (12), external threads (121) are arranged on the peripheral surface of the tail end of the rotating shaft (12), a movable sleeve (122) is in threaded connection with the outer side of the external threads (121), a resisting plate (1221) is fixed on the top side of the movable sleeve (122), the head end and the tail end of the resisting plate (1221) are respectively attached to the bottom surface of the main bed plate (11), a first hinged support (1222) is arranged on the top side of the movable sleeve (122), a supporting rod (123) is hinged to the first hinged support (1222), one end of the supporting rod (123) far away from the first hinged support (1222) is upwards inclined, and one end of the supporting rod (123) far away from the first hinged support is hinged to the bottom surface of the bed plate (21) located on the bed head, a rocker (124) is fixed at the head end of the rotating shaft (12).

4. The care bed for chronically ambulatory patients according to claim 1, wherein: the left and right sides edge of bedplate (21) top surface all sets up and is through groove (211) that describe, massage belt (22) follow two pass between groove (211), two it is connected with a plurality of dwang (212) to pass between groove (211) on the bedplate (21) top surface.

5. The care bed for chronically ambulatory patients according to claim 3, wherein: the bed plate (21) positioned at the tailstock is fixed on the main bed plate (11), the bottom end face of the bed plate (21) positioned at the head of a bed is fixedly provided with a second hinged support (213), and one end, far away from the first hinged support (1222), of the support rod (123) extends into the second hinged support (213) and is hinged with the second hinged support (213).

6. The care bed for chronically ambulatory patients according to claim 4, wherein: the massage belt is characterized in that rotating rollers (221) are sleeved at the first end and the last end of the inner side of the massage belt (22), the two rotating rollers (221) are installed in two through grooves (211) in the seat plate (21) respectively, driven gears (2211) are coaxially connected to the rotating rollers (221) located on the outer side, a plurality of massage protrusions (222) are arranged on the surface of the outer side of the massage belt (22), a driving gear (231) is connected to the tail end of an output shaft of the rotating motor (23) in a key mode, and the driving gear (231) is meshed with the driven gears (2211).

7. The care bed for chronically ambulatory patients according to claim 1, wherein: transfer structure (3) including fixing hanger rail (31) of roof department above sick bed main part (1), install on hanger rail (31) and with hanger rail (31) sliding connection's pulley (32), cover are established stay cord (33) on pulley (32) and articulate stay cord (33) terminal area body (34).

8. The care bed for chronically ambulatory patients according to claim 7, wherein: head end of hanger rail (31) is located the top of sick bed main part (1), the end of hanger rail (31) is located the top of transfer bed (4), slip chamber (311) has been seted up to the inside of hanger rail (31), stop block (312) are all installed at the first end both ends in slip chamber (311), the outside cover of pulley (32) is equipped with pulley holder (321), pulley (32) with pulley holder (321) rotate to be connected, the left and right sides edge on pulley holder (321) top all rotates and is connected with gyro wheel (322), gyro wheel (322) stretch into in slip chamber (311) and can roll in hanger rail (31).

9. The care bed for chronically ambulatory patients according to claim 7, wherein: the tail end position department of stay cord (33) is tied and is connected and be fixed with hanging seat (331), all be equipped with link plate (3311) on the left and right sides terminal surface of hanging seat (331), the head end of stay cord (33) is tied and is connected and be fixed with handle (332), be fixed with a pair of couple (3321) on the side surface of handle (332), be close to hang seat (331) be fixed with a plurality of fixed knot (333) on stay cord (33), handle (332) can pass through couple (3321) articulate on fixed knot (333), still the cover is equipped with loop bar (334) on stay cord (33).

10. The care bed for chronically ambulatory patients according to claim 9, wherein: the belt body (34) is of a flexible strip structure, hanging rods (341) are sleeved at the first end and the second end of the belt body (34), and the belt body (34) is connected to the hanging plates (3311) in a hanging mode through the hanging rods (341).