CN211611508U

CN211611508U - Lead happy ball fixing device

Info

Publication number: CN211611508U
Application number: CN202020055807.6U
Authority: CN
Inventors: 郭莉; 简丽娜; 庞伟群; 蓝黄浩; 徐丽芳
Original assignee: Liuzhou Peoples Hospital
Current assignee: Liuzhou Peoples Hospital
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-02
Anticipated expiration: 2030-01-09

Abstract

The utility model provides a lead happy ball fixing device belongs to obstetrical department's auxiliary instrument technical field. Comprises a bottom plate, a fixing frame for a guile ball and a backrest; the music guide ball fixing frame is detachably arranged on the bottom plate through a first lifting structure; the backrest is provided with a sliding rod, a sliding rail is arranged in the bottom plate, and the backrest is detachably arranged on the bottom plate through the sliding connection of the sliding rod and the sliding rail; the armrest is detachably arranged on the backrest; the backrest is detachably provided with a guardrail; the bottom plate is provided with a supporting rod, the supporting rod can rotate around a rotating shaft of the supporting rod, the guardrail is provided with a groove, and the end part of the guardrail passing through the supporting rod is connected with the groove in a matched mode. The utility model discloses a set up elevation structure, make and lead happy ball mount and handrail and can go up and down, be fit for the different puerperal that rise and use. Through setting up slidable back, adjustable back and the distance of leading happy ball mount, through setting up guardrail and bracing piece, the guardrail encloses the lying-in woman in the guardrail, can prevent that the lying-in woman from carelessly falling down from leading happy ball.

Description

Lead happy ball fixing device

[ technical field ] A method for producing a semiconductor device

The utility model relates to an obstetrical department's auxiliary instrument technical field, in particular to lead happy ball fixing device.

[ background of the invention ]

The conduction ball is a delivery ball, is a large-sized rubber ball, is very comfortable when a puerpera sits on the soft sofa, is used as an important conduction midwifery tool, can be used by the puerpera to relieve the pain discomfort of labor, can relax the pelvis of the puerpera through the conduction ball, further expands the pelvic space, avoids muscle tension and distractions of the puerpera, helps the fetal head to descend and expands the uterine orifice, can effectively accelerate the labor process, and relieves the labor pain during production. The existing music-guiding ball fixing device is a metal frame with armrests, can limit the rolling of the music-guiding ball and keep the stability of the music-guiding ball. However, the existing fixing device for the happy guiding ball is simple in structure and cannot be adjusted, and the requirements of the lying-in women with different body types are different. Such a simple back rest chair with a fun guiding ball is not favorable for the midwifery work. The existing back-rest chair with the music guiding ball has no safety braces, when a lying-in woman uses the chair, the lying-in woman only holds the back-rest chair by hands, potential safety hazards exist in use, and if the lying-in woman does not hold the back-rest chair stably, the lying-in woman is easy to fall down and even endanger a fetus.

[ Utility model ] content

In order to solve the above problem, an object of the utility model is to provide a lead happy ball fixing device, this lead happy ball fixing device lead happy ball mount and can go up and down, and the back can slide, adjusts the back and leads the distance of happy ball mount, makes this device can be applicable to the lying-in woman of different sizes.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a fixing device for a guide music ball comprises a bottom plate, a guide music ball fixing frame and a backrest; the guide ball fixing frame is detachably arranged on the bottom plate; the backrest is detachably arranged on the bottom plate; the armrest is detachably mounted on the backrest; the upper end of the backrest is provided with a transfusion rod for hanging a transfusion bottle, and the transfusion rod can be adjusted in height; the guardrail used for preventing falling down is detachably mounted on the backrest, the guardrail is mounted on the backrest through a guardrail rotating shaft, and the guardrail rotates around the backrest; the guardrail is characterized in that the bottom plate is provided with a supporting rod, the supporting rod is arranged on the bottom plate through a supporting rod rotating shaft, the supporting rod can rotate around the supporting rod rotating shaft, the guardrail is provided with a groove, and the end part of the guardrail, which passes through the supporting rod, is matched and connected with the groove, so that the guardrail is fixed on a horizontal position.

Furthermore, the fixed frame for the happy guiding ball comprises a fixed ring, N first lifting rods and N first fixed tubes, wherein N is a natural number not less than 3; the N first lifting rods are respectively connected to the lower surface of the fixed ring, the N first fixed pipes are respectively installed on the bottom plate, the first fixed pipes are semi-closed pipes with openings at the upper ends, and the N first lifting rods are respectively sleeved inside the N first fixed pipes; a first blind hole is formed in the radial direction of the first lifting rod, a first spring and a first pressing block are arranged in the first blind hole, one end of the first pressing block penetrates out of the first lifting rod and protrudes out of the first lifting rod, the other end of the first pressing block is connected with the first spring in the first blind hole, and the first pressing block stretches along the radial direction of the first lifting rod; the first fixing pipe is provided with a plurality of first through holes along the length direction, and the opening direction of the first through holes is consistent with the direction of the first pressing block protruding out of the first lifting rod; go up and down in first fixed tube through first lifter, adopt first according to the briquetting and pass first through-hole and fix, constitute first elevation structure, make and lead happy ball mount and can go up and down.

Furthermore, two second lifting rods are arranged at the lower end of the handrail, a second blind hole is formed in the radial direction of each second lifting rod, a second spring and a second pressing block are arranged in the second blind hole, one end of each second pressing block penetrates out of the corresponding second lifting rod and protrudes out of the corresponding second lifting rod, the other end of each second pressing block is connected with the corresponding second spring in the corresponding second blind hole, and the second pressing blocks move in the radial direction of the corresponding second lifting rod; the fixed pipe of second is installed to the back upper end, the fixed pipe of second is upper end open-ended semi-closed pipe, the second lifter cover is established at the fixed intraduct of second, the fixed pipe of second has seted up a plurality of second through-holes along length direction, the direction of seting up of second through-hole is unanimous with the direction that the second was pressed the briquetting to bulge the second lifter, goes up and down in the fixed intraductal second through the second lifter, adopts the second to press the briquetting to pass the second through-hole and fixes, constitutes second elevation structure, makes the handrail can go up and down.

Further, the position level that the back openly is close to the lower extreme is equipped with the slide bar, a plurality of third blind holes have been seted up to the inside to the up end of slide bar, and is a plurality of the third blind hole sets up along the length direction of slide bar, sets up the slide rail to the inside level of bottom plate from the bottom plate side surface that is close to the back, slide bar and slide rail horizontal sliding connection, the through-hole that accesss to the slide rail is seted up to the bottom plate is inside to the up end of bottom plate, sets up the fixed pin in the through-hole, the fixed pin is followed the up end of bottom plate and is matchd.

Further, two support rod grooves are formed in the bottom plate along the length direction, the support rod grooves are formed in two sides of the music guide ball fixing frame, support rod rotating shafts are arranged in the support rod grooves, the support rods are installed in the support rod grooves through the support rod rotating shafts, the support rods rotate around the support rod rotating shafts, a plurality of grooves are formed in the lower surface of the guardrail along the length direction, the end portions of the support rods are inserted into the grooves in the proper positions, and therefore the positions of the guardrail are fixed.

Furthermore, two symmetrical knee grooves are formed in the bottom plate, the edges of the knee grooves are in smooth transition, and soft materials are arranged on concave surfaces of the knee grooves.

Further, two sides of the backrest are concave towards the middle to form an arc shape, and the arc shape is used for placing the knees of the pregnant woman.

Furthermore, the handrail is a straight rod, and the surface of the handrail is provided with anti-skid grains.

Furthermore, a small convex pillow is arranged in the middle of the upper end surface of the armrest along the length direction.

Further, the outer ring of the guardrail is provided with a soft cushion.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up elevation structure, make and lead happy ball mount and handrail and can go up and down, be fit for the different puerperal that rise and use. Through setting up the slidable back, adjustable back and the distance of leading happy ball mount make the lying-in woman sit when leading happy ball, the back can not influence placing of lying-in woman's leg, improves lying-in woman's comfort level. Through setting up guardrail and bracing piece, sit when the lying-in woman and lead happy ball on, through rotating guardrail and bracing piece, make the guardrail fix the horizontal direction, enclose the lying-in woman in the guardrail, when not influencing the lying-in woman activity, can prevent that the lying-in woman from carelessly from leading to falling down on happy ball.

2. The utility model discloses a set up the bottom plate, lead happy ball mount and fix on the bottom plate, the bottom plate is heavier and the bottom plate is bigger than the size of leading happy ball mount, leads happy ball mount and can not take place to empty, makes the fixed effect of leading happy ball mount better.

3. The utility model discloses a set up the knee recess, make this lead happy ball fixing device be applicable to different lying-in women's position requirement, the lying-in woman can adopt the position of lying prone of bowing on leading happy ball, and both arms and head and chest are pasted on leading happy ball, and in the knee recess was placed to the knee, the knee recess can avoid the lying-in woman knee to slide, prevents that the lying-in woman from falling down. And soft materials are arranged in the knee grooves, so that the injury of the lying-over posture to the knees of the lying-in woman can be reduced.

[ description of the drawings ]

Fig. 1 is a schematic plan view of a guardrail provided by an embodiment of the present invention in a use state.

Fig. 2 is a schematic plan view of the guardrail provided by the embodiment of the present invention in different directions in a use state.

Fig. 3 is a schematic plan view of the guardrail provided by the embodiment of the present invention when not in use.

Fig. 4 is a schematic structural diagram of a first lifting structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a second lifting structure according to an embodiment of the present invention.

The medical pillow comprises a base plate 1, a first fixing pipe 2, a first through hole 2-1, a first lifting rod 3, a first pressing block 3-1, a first spring 3-2, a first blind hole 3-3, a fixing pin 4, a backrest 5, a support rod 6, a handrail 7, a second lifting rod 8, a second pressing block 8-1, a second spring 8-2, a second blind hole 8-3, a second fixing pipe 9-1, a second through hole 9-1, a guardrail 10, a guardrail rotating shaft 10-1, a music guiding ball 11, a fixing ring 12, a sliding rod 13, a third blind hole 13-1, a knee groove 14, a transfusion rod 15 and a pillow 16.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The drawings are only for purposes of illustration and are only schematic and non-limiting, and certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product, so that it may be understood that certain well-known structures, elements and descriptions thereof in the drawings may be omitted for better illustrating the embodiments of the present invention, and the drawings illustrate the drawings and do not represent the orientation of the actual product.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the first embodiment, as shown in the figure, in order to provide the preferred structural schematic diagram of the present invention, a fixing device for a guide music ball comprises a bottom plate 1, a guide music ball fixing frame, and a backrest 5; the fixed frame of the music guide ball is detachably arranged on the bottom plate 1. Further preferably, the fixed frame for the happy guiding ball comprises a fixed ring 12, N first lifting rods 3 and N first fixed tubes 2, wherein N is a natural number not less than 3; the N first lifting rods 3 are respectively connected to the lower surface of the fixed ring 12, the N first fixed pipes 2 are respectively installed on the bottom plate 1, the first fixed pipes 2 are semi-closed pipes with openings at the upper ends, and the N first lifting rods 3 are respectively sleeved inside the N first fixed pipes 2; a first blind hole 3-3 is formed in the first lifting rod 3 in the radial direction, a first spring 3-2 and a first pressing block 3-1 are arranged in the first blind hole 3-3, one end of the first pressing block 3-1 penetrates out of the first lifting rod 3 and protrudes out of the first lifting rod 3, the other end of the first pressing block is connected with the first spring 3-2 in the first blind hole 3-3, and the first pressing block 3-1 extends and retracts in the radial direction of the first lifting rod 3; the first fixing pipe 2 is provided with a plurality of first through holes 2-1 along the length direction, and the opening direction of the first through holes 2-1 is consistent with the direction of the first pressing block 3-1 protruding out of the first lifting rod 3; go up and down in first fixed pipe 2 through first lifter 3, adopt first pressing block 3-1 to pass first through-hole 2-1 and fix, constitute first elevation structure, make through first elevation structure and lead the happy ball mount and can go up and down to can adjust the height of leading happy ball 11 of putting on leading happy ball mount, make this device can be applicable to the lying-in woman of different heights. First fixed pipe 2 is fixed on bottom plate 1, and bottom plate 1 ratio is heavier, increases bottom weight, and the bottom plate is bigger than the size of leading happy ball mount, leads happy ball mount and can not take place to empty, can make the better fixing of whole happy ball fixing device of leading. Further preferably, the backrest 5 is provided with a sliding rod 13 in the horizontal direction, a sliding rail in the horizontal direction is arranged in the bottom plate 1, and the sliding rod 13 and the sliding rail are in sliding connection, so that the backrest 5 can be detachably mounted on the bottom plate 1, and the backrest 5 can be far away from or close to the bottom plate 1 in the horizontal direction. Further preferably, a sliding rod 13 is arranged on the front side of the backrest 5 close to the lower end, a plurality of third blind holes 13-1 are formed in the upper end surface of the sliding rod 13 facing the inside, the plurality of third blind holes 13-1 are arranged along the length direction of the sliding rod 13, a sliding rail is horizontally arranged on the side surface of the bottom plate 1 close to the backrest 5 facing the inside of the bottom plate, and the height of the sliding rail from the ground is consistent with the height of the sliding rod 13 from the ground, so that the sliding rod 13 can smoothly move in the sliding rail. Furthermore, a through hole leading to the slide rail is formed in the upper end face of the bottom plate 1 towards the inside of the slide rail bottom plate, a fixing pin 4 is arranged in the through hole, and the fixing pin 4 is inserted into the bottom plate 2 from the upper end face of the bottom plate 1 and then is matched with a third blind hole 13-1 in the slide rod 13. The adjustment of the position of the backrest is made by sliding the slide rails 13 inside them, so that the backrest 5 can be moved closer to or further away from the base plate 1. After the position adjustment is finished, the fixing pin 4 penetrates into the third blind hole 13-1 corresponding to the sliding rod 13 in the sliding rail from the through hole in the bottom plate 1, so that the effect of fixing the backrest 5 and the bottom plate 1 is achieved, the music guide ball fixing device is more stable, and the safety of a puerpera is further guaranteed. The backrest 5 is detachably provided with an armrest 7, and the armrest 7 is detachably arranged on the backrest. Preferably, the lower end of the armrest 7 is provided with two second lifting rods 8, a second blind hole 8-3 is formed along the radial direction of the second lifting rod 8, a second spring 8-2 and a second pressing block 8-1 are arranged in the second blind hole 8-3, one end of the second pressing block 8-1 penetrates through the inside of the second lifting rod 8 and protrudes out of the second lifting rod 8, the other end of the second pressing block 8-1 is connected with the second spring 8-2 in the second blind hole 8-3, and the second pressing block 8-1 moves along the radial direction of the second lifting rod 8; the upper end of the backrest 5 is provided with a second fixing pipe 9, the second fixing pipe 9 is a semi-closed pipe with an upper end open, the second lifting rod 8 is sleeved inside the second fixing pipe 9, the second fixing pipe 9 is provided with a plurality of second through holes 9-1 along the length direction, the direction of the second through holes 9-1 is consistent with the direction of the second pressing block 8 protruding out of the second lifting rod 9, the second lifting rod 9 is lifted in the second fixing pipe 9, the second pressing block 8-1 penetrates through the second through hole 9-1 to be fixed, a second lifting structure is formed, the armrest 7 can be lifted, and the armrest can be used by parturients with different heights. Further preferably, the upper end of the backrest 5 is provided with an infusion support 15 for hanging an infusion bottle, the height of the infusion support 15 can be adjusted, sometimes, a puerpera needs to be infused while moving on the fun guide ball, and the infusion support 15 can just meet the use requirement of the puerpera. The guardrail device is characterized in that a guardrail 10 used for preventing falling down is detachably mounted on the backrest 5, the guardrail 10 is mounted on the backrest 5 through a guardrail rotating shaft 10-1, fastening nuts are arranged at two ends of the guardrail rotating shaft 10-1, so that the guardrail rotating shaft 10-1 cannot fall off from the guardrail 10, the guardrail 10 can be well mounted on the backrest 5, the guardrail 10 can rotate around the backrest 5 through the guardrail rotating shaft 10-1, and when the guardrail device is not used, the guardrail 10 can be rotatably leaned on the back of the backrest 5. The base plate 1 is provided with a support rod 6, the support rod 6 is arranged on the base plate 1 through a support rod rotating shaft, the support rod 6 can rotate around the support rod rotating shaft, the guardrail 10 is provided with a groove, the guardrail 10 is in fit connection with the groove through the end part of the support rod 6, so that the guardrail 10 is fixed at a horizontal position, further preferably, the base plate 1 is provided with two support rod grooves along the length direction, the support rod grooves are arranged at two sides of the music guide ball fixing frame, the support rod rotating shaft is arranged in the support rod grooves, the support rod 6 is arranged in the support rod grooves through the support rod rotating shaft, the support rod 6 rotates around the support rod rotating shaft, the guardrail 10 is arranged on the backrest 5, the guardrail 10 can move along with the backrest 5, the lower surface of the guardrail 10 is provided with a plurality of grooves along the length, and, thereby fixing the position of the guard rail 10. When using guardrail 10, at first rotate guardrail 10, rotate bracing piece 6 again, insert the recess of guardrail 10 lower surface to the tip of bracing piece 6, enclose the lying-in woman in the guardrail, when not influencing the lying-in woman's activity, can prevent that the lying-in woman from falling down from leading the happy ball carelessly, ensure lying-in woman's safety.

Further preferably, two symmetrical knee grooves 14 are formed in the bottom plate 1, the edges of the knee grooves 14 are in smooth transition, so that the knees of a lying-in woman are not hurt, and the concave surfaces of the knee grooves 14 are made of soft materials, so that the comfort of the lying-in woman is improved. When lying prone position need be adopted to lying prone by the lying-in woman, both arms and head and chest paste on lead happy ball 11, can put into the position of knee recess 14 to the knee, can prevent that the knee from sliding, avoid the lying-in woman to drop from leading happy ball, improve the security.

Further preferably, both sides of the backrest 5 face the middle concave to form an arc shape, the arc shape is used for placing the knees of the pregnant woman, when the pregnant woman sits on the music guiding ball reversely, faces the backrest 5 and holds the armrests 7, the knees are forward and possibly touch the backrest 5, and the arc design is adopted, so that a larger space can be provided for the body of the pregnant woman.

Further preferably, the handrails 7 are straight bars, and the surface of the handrails 7 is provided with anti-skid lines, so that friction force can be increased, and the hands of the lying-in woman can be held more firmly.

Further preferably, a small convex pillow 16 is arranged in the middle of the armrest 7 along the length direction, when a parturient feels tired, the parturient lies on the armrest to rest, and the head leans against the small pillow, so that the parturient feels comfortable.

Further preferably, the outer ring of the guardrail 10 is provided with a soft cushion, and when the lying-in woman moves, accidentally hits the guardrail or falls down, the soft cushion can play a role in buffering, so that the injury to the lying-in woman is reduced.

In the second embodiment, on the premise of the first embodiment, the handrail 7 is shaped like a U, the surface of the handrail 7 is provided with anti-slip threads, and the open end of the U-like shape of the handrail 7 faces the side of the music ball 11, so that the handrail position of the handrail 7 is closer to the parturient, and the hand can be held more easily.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a lead happy ball fixing device which characterized in that: comprises a bottom plate, a fixing frame for a guile ball and a backrest; the guide ball fixing frame is detachably arranged on the bottom plate; the backrest is detachably arranged on the bottom plate; the armrest is detachably mounted on the backrest; the upper end of the backrest is provided with a transfusion rod for hanging a transfusion bottle, and the transfusion rod can be adjusted in height; the guardrail used for preventing falling down is detachably mounted on the backrest, the guardrail is mounted on the backrest through a guardrail rotating shaft, and the guardrail rotates around the backrest; the guardrail is characterized in that the bottom plate is provided with a supporting rod, the supporting rod is arranged on the bottom plate through a supporting rod rotating shaft, the supporting rod can rotate around the supporting rod rotating shaft, the guardrail is provided with a groove, and the end part of the guardrail, which passes through the supporting rod, is matched and connected with the groove, so that the guardrail is fixed on a horizontal position.

2. The device of claim 1, wherein: the fixed frame of the music guide ball comprises a fixed circular ring, N first lifting rods and N first fixed tubes, wherein N is a natural number not less than 3; the N first lifting rods are respectively connected to the lower surface of the fixed ring, the N first fixed pipes are respectively installed on the bottom plate, the first fixed pipes are semi-closed pipes with openings at the upper ends, and the N first lifting rods are respectively sleeved inside the N first fixed pipes; a first blind hole is formed in the radial direction of the first lifting rod, a first spring and a first pressing block are arranged in the first blind hole, one end of the first pressing block penetrates out of the first lifting rod and protrudes out of the first lifting rod, the other end of the first pressing block is connected with the first spring in the first blind hole, and the first pressing block stretches along the radial direction of the first lifting rod; the first fixing pipe is provided with a plurality of first through holes along the length direction, and the opening direction of the first through holes is consistent with the direction of the first pressing block protruding out of the first lifting rod; go up and down in first fixed tube through first lifter, adopt first according to the briquetting and pass first through-hole and fix, constitute first elevation structure, make and lead happy ball mount and can go up and down.

3. The device of claim 1, wherein: the lower end of the handrail is provided with two second lifting rods, a second blind hole is formed in the radial direction of each second lifting rod, a second spring and a second pressing block are arranged in the second blind hole, one end of each second pressing block penetrates out of the inside of each second lifting rod and protrudes out of the corresponding second lifting rod, the other end of each second pressing block is connected with the corresponding second spring in the corresponding second blind hole, and each second pressing block moves in the radial direction of the corresponding second lifting rod; the fixed pipe of second is installed to the back upper end, the fixed pipe of second is upper end open-ended semi-closed pipe, the second lifter cover is established at the fixed intraduct of second, the fixed pipe of second has seted up a plurality of second through-holes along length direction, the direction of seting up of second through-hole is unanimous with the direction that the second was pressed the briquetting to bulge the second lifter, goes up and down in the fixed intraductal second through the second lifter, adopts the second to press the briquetting to pass the second through-hole and fixes, constitutes second elevation structure, makes the handrail can go up and down.

4. The device of claim 1, wherein: the utility model discloses a slide rail, including the bottom plate, the bottom plate is equipped with the bottom plate, the back openly is close to the position level of lower extreme and is equipped with the slide bar, a plurality of third blind holes have been seted up to the inside to the up end of slide bar, and is a plurality of the third blind hole sets up along the length direction of slide bar, sets up the slide rail to the inside level of bottom plate from the bottom plate side surface that is close to the back, slide bar and slide rail horizontal sliding connection, the through-hole that accesss to the slide rail is seted up to the bottom plate is inside to the up end of bottom plate, sets.

5. The device of claim 1, wherein: two support rod grooves are formed in the bottom plate along the length direction, the support rod grooves are formed in two sides of the music guide ball fixing frame, a support rod rotating shaft is arranged in each support rod groove, the support rods are installed in the support rod grooves through the support rod rotating shafts, the support rods rotate around the support rod rotating shafts, a plurality of grooves are formed in the lower surface of the guardrail along the length direction, the end portions of the support rods are inserted into the grooves in the proper positions, and therefore the positions of the guardrail are fixed.

6. The device of claim 1, wherein: the bottom plate is provided with two symmetrical knee grooves, the edges of the knee grooves are in smooth transition, and the concave surfaces of the knee grooves are provided with soft materials.

7. The device of claim 1, wherein: the two sides of the backrest are concave towards the middle to form an arc, and the arc is used for placing the knees of a pregnant woman.

8. The device of claim 1, wherein: the handrail is a straight rod, and the surface of the handrail is provided with anti-skid grains.

9. The device of claim 1, wherein: a small convex pillow is arranged in the middle of the armrest along the length direction.

10. The device of claim 1, wherein: soft cushions are arranged outside the guardrails in a surrounding mode.