CN216428571U

CN216428571U - Telescopic mother-baby chamber

Info

Publication number: CN216428571U
Application number: CN202122478589.4U
Authority: CN
Inventors: 金欣迪; 凌莉; 叶昶逸; 张嘉欣; 钟荟
Original assignee: College of Science and Technology of Ningbo University
Current assignee: College of Science and Technology of Ningbo University
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-03
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a retractable mother and infant room, including frame, motor, reel, connection rope and flexible arm. This retractable mother and infant room, when the weather is clear, solar panel carries out solar energy power generation and charges for portable power source, show advertising information through the first display screen of on-off control simultaneously, when needs use, set up work through the on-off control motor this moment, the motor drives the reel and rotates the seat internal rotation in rotating, thereby emit the connection rope on the reel, the frame of foremost side and the frame reverse movement of rearmost side under the effect of flexible arm this moment, thereby make the frame expand in proper order, the frame of foremost side and the frame of rearmost side pass through the mounting panel and drive the expansion chair and expand in this moment, then through on-off control second display screen, booster pump, vending machine and light begin work, then the user opens the door body through the handle, the door body slides in the spout through the slide bar this moment, then the user walks into in the mother and infant is indoor.

Description

Telescopic mother-baby chamber

Technical Field

The utility model relates to a mother and infant room specifically is retractable mother and infant room.

Background

Maternal and infant rooms, also known as breastfeeding rooms, are usually built in large public places, such as: commercial complexes, transportation hubs, medical institutions, amusement venues, cultural and educational venues, and the like. So as to bring convenience for parents to take care of nursing, collecting milk, feeding and preparing for meals of the infants in the lactation period outside. The construction subject includes commercial sites and government non-profit public service facilities. The mother-infant room is an important symbolic public facility for embodying the humanistic care of modern civilized cities. In recent years, under the advocation of social sound bearing and good care and the discussion of a plurality of public opinion events of the whole people, the mother and infant rooms have attracted extensive attention in China. And the public place of labeling the mother-infant room is gradually carried out and improved under the public environment that the breast feeding consciousness is gradually improved and parents are encouraged to participate in the infant raising.

However, the conventional infant and mom chamber does not have a telescopic function, so that the occupied area of the infant and mom chamber is large, and the infant and mom chamber is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractable mother and infant room to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a plurality of frames are arranged on the rear side of the door frame at equal intervals, the frame on the foremost side is fixedly connected with the rear surface of the door frame, the rear surface of the frame on the rearmost side is fixedly connected with a rear side plate, a polytetrafluoroethylene film is arranged between every two adjacent frames, two sides of the polytetrafluoroethylene film are respectively fixedly connected with the outer walls of the corresponding frames, grooves are symmetrically formed in the bottoms of the door frame and the frames, walking mechanisms are arranged in the grooves, a stop strip is fixedly connected to the inner wall of the rear side of the door frame, two parallel sliding grooves are formed in the top of the door frame, sliding rods matched with the sliding grooves are slidably connected to the inner sides of the sliding grooves, door bodies are fixedly connected to the bottoms of the sliding rods, a placing groove is formed in the rear surface of each rear door body, a placing platform is arranged on the inner side of the placing groove, mounting plates are fixedly connected to one sides of the inner walls of the foremost side frame and the rearmost side frame, and a telescopic chair is arranged between the mounting plates, foremost frame and last side frame top symmetry are equipped with flexible arm, the bottom surface fixedly connected with light of flexible arm, the both ends of flexible arm respectively with foremost frame and last side frame fixed connection, the top of foremost frame can the fixedly connected with diaphragm, bottom surface one side fixedly connected with portable power source of diaphragm, the opposite side fixedly connected with rotation seat of diaphragm, the inboard rotation of rotation seat is connected with the reel, around being equipped with on the reel and connecting the rope, the one end and the reel outer wall fixed connection of connecting the rope, the other end and the posterior lateral plate fixed connection of connecting the rope, the outside of rotating the seat is equipped with the motor, motor and diaphragm fixed connection, the output shaft of motor pass rotate the seat and with reel fixed connection, the top equidistance fixedly connected with solar panel of door frame, the front surface fixedly connected with switch of door frame.

As a further aspect of the present invention: the door frame and the frame are set in a U shape, the edge blocking strips are set in a U shape, the telescopic chair is of a honeycomb structure, the front surface of the door body is fixedly connected with handles, the handles are embedded in the door body, the upper front surface of the rear side door body is fixedly connected with a first display screen, the first display screen is used for displaying advertisements, the first display screen is embedded in the door body, one corner of the front surface of the rear side plate is fixedly connected with a second display screen, the second display screen is a touch display screen, and a game program is arranged in the second display screen.

As a further aspect of the present invention: another corner fixedly connected with wash platform of posterior lateral plate front surface, top surface one side fixedly connected with pond of wash platform, the top surface fixed mounting in pond has tap, the below in pond is equipped with the sewage collecting box rather than being linked together, one side of sewage collecting box is equipped with the water tank, the bottom one corner of water tank is equipped with the breach, and be equipped with booster pump in the breach, booster pump's inlet and water tank liquid outlet fixedly connected with, booster pump passes through pipeline and tap fixed connection, one side outside of water tank is equipped with the garbage bin, the garbage bin is the automatic bag changing garbage bin, the wash platform corresponds the garbage bin opening part and is equipped with the perforation, the sewage collecting box, the water tank, booster pump and garbage bin all establish in the wash platform, the top of wash platform is equipped with vending machine, vending machine is connected with the front surface fixed of posterior lateral plate.

As a further aspect of the present invention: the placing platform comprises a placing plate and a limiting handle.

As a further aspect of the present invention: the placing plate is arranged in the placing groove, the bottom of the placing plate is hinged to the bottom of the placing groove through a rotating shaft, the limiting handle is arranged at the top of the placing groove, the door body is provided with a dodging groove corresponding to the limiting handle, and the limiting handle is arranged in the dodging groove and is connected with the door body in a rotating mode.

As a further aspect of the present invention: the walking mechanism comprises a movable plate, a walking wheel and a piston shock absorber.

As a further aspect of the present invention: the movable plate is arranged in the groove and is in sliding connection with the inner wall of the groove, the walking wheels are rotatably connected to the bottom surface of the movable plate through wheel seats, the bottom parts of the walking wheels extend out of the groove, one end of the piston shock absorber is fixedly connected with the top surface of the movable plate, and the other end of the piston shock absorber is fixedly connected with the inner wall of the top of the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation between door frame, posterior lateral plate, polytetrafluoroethylene film, fender strake, spout, slide bar, the door body and the handle is used and is constituted the maternal and infant room, through flexible arm, rotation seat, motor, reel and the setting of connecting the rope, can remove shrink and expansion by the frame to time this retractable maternal and infant room has flexible function, can reduce the shared space of maternal and infant room with its shrink when not using, makes the maternal and infant room use more convenient.

2. The utility model discloses a cooperation use between standing groove, place the platform, place the board, spacing handle and dodge the groove, make place the board can be set level, thereby form place the platform and supply the user to carry out article and place, through the setting of garbage bin and perforation, make the mother and infant room have the function of rubbish storage, through the setting of vending machine, make the mother and infant room have the function of article selling, through the cooperation use between wash platform, pond, sewage collecting box, water tank, booster pump and tap, the mother and infant room has the function of washing one's face and rinsing one's mouth, and the mother and infant room has the function of sewage collection, through the quota between mounting panel and the flexible chair very practical, make the flexible chair can stretch out and draw back along with the extension and retraction of mother and infant room, thereby convenience of users takes one's seat, through the setting of first display screen, conveniently carry out the advertisement, increase the benefit, through the setting of solar panel, make mother and infant room have solar energy power generation's function, through the setting of light for the indoor quilt of mother and infant is thrown light on, and the convenience of customers shifts child's attention when the breast-feed through setting up of second display screen, avoids child to make a lot of, thereby makes the function in mother and infant room more comprehensive.

3. The utility model discloses a setting of fly leaf, walking wheel and piston shock absorber conveniently removes mother and infant room, has shock attenuation buffer function when just removing, avoids the too big damage of internal part vibration, and convenient flexible in-process frame removes simultaneously to make this retractable mother and infant room have the function of being convenient for remove and shock attenuation buffering.

Drawings

Fig. 1 is a schematic structural view of a retractable mother-infant chamber.

Fig. 2 is a side top perspective view of the inside of the frame in the telescoping mother and infant room.

Fig. 3 is a bottom perspective view of the inside of the frame in the telescoping mother and infant room.

Fig. 4 is a rear perspective view of a door frame in the inner side of a frame in a retractable mother-baby chamber.

Fig. 5 is a cross-sectional view of the position of the chute in the inside of the frame in the telescoping mother and infant room.

Fig. 6 is a sectional view showing the position of a placement groove in the inner side of a frame in the extension type mother and infant room.

Fig. 7 is a cross-sectional view of the position of the groove in the inside of the frame in the telescoping mother and infant room.

Fig. 8 is an internal view of a wash stand inside a frame in a retractable mother and infant room.

In the figure: 1 door frame, 2 frames, 3 rear side plates, 4 polytetrafluoroethylene films, 5 grooves, 6 travelling mechanisms, 7 edge blocking strips, 8 sliding grooves, 9 sliding rods, 10 door bodies, 11 handles, 12 first display screens, 13 placing grooves, 14 placing platforms, 15 second display screens, 16 washing tables, 17 switches, 18 pools, 19 sewage collecting boxes, 20 water tanks, 21 booster pumps, 22 garbage cans, 23 perforation holes, 24 vending machines, 25 placing plates, 26 limiting handles, 27 avoiding grooves, 28 mounting plates, 29 telescopic chairs, 30 telescopic arms, 31 transverse plates, 32 mobile power supplies, 33 rotating seats, 34 motors, 35 reels, 36 connecting ropes, 37 solar panels, 38 illuminating lamps, 39 movable plates, 40 travelling wheels, 41 piston shock absorbers and 42 water taps.

Detailed Description

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a retractable mother and infant room includes a door frame 1, a plurality of frames 2 are equidistantly disposed on a rear side of the door frame 1, a retraction groove is disposed on an inner side of each frame 2, the retraction groove is used for retraction and storage of a teflon film 4, the foremost frame 2 is fixedly connected to a rear surface of the door frame 1, a rear side plate 3 is fixedly connected to a rear surface of the rearmost frame 2, the teflon film 4 is disposed between adjacent frames 2, two sides of the teflon film 4 are respectively fixedly connected to outer walls of the corresponding frames 2, grooves 5 are symmetrically disposed on bottoms of the door frame 1 and the frames 2, a traveling mechanism 6 is disposed in each groove 5, a stop strip 7 is fixedly connected to an inner wall of the rear side of the door frame 1, two parallel chutes 8 are disposed on a top of the door frame 1, and sliding rods 9 adapted to the chutes 8 are slidably connected to inner sides of the chutes 8, the bottom of the slide bar 9 is fixedly connected with a door body 10, the rear surface of the rear side door body 10 is provided with a placing groove 13, the inner side of the placing groove 13 is provided with a placing platform 14, one side of the inner wall of the foremost side frame 2 and one side of the inner wall of the rearmost side frame 2 are fixedly connected with a mounting plate 28, a telescopic chair 29 is arranged between the mounting plates 28, the tops of the foremost side frame 2 and the rearmost side frame 2 are symmetrically provided with telescopic arms 30, the telescopic arms 30 have the same structure as the telescopic arms of the existing awning and are composed of two mutually hinged rod bodies, the inner sides of the two rod bodies are jointly provided with an elastic connecting piece, so that the telescopic arms can automatically extend and can be folded and contracted passively, the bottom surface of the telescopic arms 30 is fixedly connected with a lighting lamp 38, the two ends of the telescopic arms 30 are respectively fixedly connected with the foremost side frame 2 and the rearmost side frame 2, the top of the foremost side frame 2 can be fixedly connected with a transverse plate 31, one side of the bottom surface of the transverse plate 31 is fixedly connected with a mobile power supply 32, the other side of the transverse plate 31 is fixedly connected with a rotating seat 33, the inner side of the rotating seat 33 is rotatably connected with a reel 35, a connecting rope 36 is wound on the reel 35, one end of the connecting rope 36 is fixedly connected with the outer wall of the reel 35, the other end of the connecting rope 36 is fixedly connected with the rear side plate 3, the outer side of the rotating seat 33 is provided with a motor 34, the motor 34 is fixedly connected with the transverse plate 31, an output shaft of the motor 34 penetrates through the rotating seat 33 and is fixedly connected with the reel 35, solar panels 37 are fixedly connected to the top of the doorframe 1 at equal intervals, and a switch 17 is fixedly connected to the front surface of the doorframe 1.

Door frame 1 and frame 2 are the U-shaped setting, it sets up for the U-shaped to keep off strake 7, telescopic chair 29 is honeycomb, the equal fixedly connected with handle 11 of the front surface of the door body 10, handle 11 is embedded in the door body 10, the first display screen 12 of the upper portion front surface fixedly connected with of the door body 10 of rear side, first display screen 12 is used for showing the advertisement, first display screen 12 inlays to be established in the door body 10, front surface one corner fixedly connected with second display screen 15 of rear side board 3, second display screen 15 is the touch-control display screen, and be equipped with the recreation procedure in the second display screen 15, second display screen 15 is for children's amusement.

The other corner of the front surface of the rear side plate 3 is fixedly connected with a wash platform 16, one side of the top surface of the wash platform 16 is fixedly connected with a water tank 18, the top surface of the water tank 18 is fixedly provided with a water tap 42, a sewage collecting tank 19 communicated with the water tank 18 is arranged below the water tank 18, one side of the sewage collecting tank 19 is provided with a water tank 20, the top surface of the water tank 20 is provided with a liquid injection port, one corner of the bottom of the water tank 20 is provided with a notch, a booster water pump 21 is arranged in the notch, the model of the booster water pump 21 is CLEAR2-160/20, a liquid inlet of the booster water pump 21 is fixedly connected with a liquid outlet of the water tank 20, the booster water pump 21 is fixedly connected with the water tap 42 through a pipeline, the outer side of the water tank 20 is provided with a garbage can 22, the garbage can 22 is an automatic bag changing garbage can, the garbage can 22 is manufactured and sold by ChengGuo company, the wash platform 16 is provided with a perforation 23 corresponding to the opening of the garbage can 22, the sewage collecting tank 19 is fixedly connected with a perforation 23, one side of the water tank 19, the garbage can 22, The water tank 20, the booster pump 21 and the garbage bin are all arranged in the wash platform 16, the vending machine 24 is arranged above the wash platform 16, and the vending machine 24 is fixedly connected with the front surface of the rear side plate 3.

The placing platform 14 comprises a placing plate 25 and a limiting handle 26.

Place the board 25 and establish in standing groove 13, place the bottom of board 25 and articulate through pivot and standing groove 13's bottom, spacing handle 26 is established at the top of standing groove 13, and door body 10 corresponds spacing handle 26 department and is equipped with and dodges groove 27, and spacing handle 26 is established and is being connected in dodging groove 27 and spacing handle 26 and door body 10 rotation.

The traveling mechanism 6 includes a movable plate 39, traveling wheels 40, and piston dampers 41.

The movable plate 39 is arranged in the groove 5 and is in sliding connection with the inner wall of the groove 5, the walking wheels 40 are rotatably connected to the bottom surface of the movable plate 39 through wheel seats, the bottom parts of the walking wheels 40 extend out of the groove 5, one end of the piston shock absorber 41 is fixedly connected with the top surface of the movable plate 39, and the other end of the piston shock absorber 41 is fixedly connected with the inner wall of the top of the groove 5.

First display screen 12, second display screen 15, booster pump 21, vending machine 24, motor 34, light 38 all pass through electric wire and switch 17 electric connection, and switch 17 passes through electric wire and portable power source 32 electric connection, and portable power source 32 passes through electric wire and solar panel 37 electric connection.

The utility model discloses a theory of operation is:

when the weather is clear, the solar panel 37 performs solar power generation to charge the mobile power supply 32, the switch 17 controls the first display screen 12 to display advertisement information, when the weather needs to be used, the switch 17 controls the motor 34 to start working, the motor 34 drives the reel 35 to rotate in the rotating seat 33, so that the connecting rope 36 on the reel 35 is released, the foremost frame 2 and the rearmost frame 2 move in opposite directions under the action of the telescopic arm 30, the frame 2 moves through the travelling wheels 40, so that the frames 2 are sequentially unfolded, the foremost frame 2 and the rearmost frame 2 drive the telescopic chair 29 to be unfolded through the mounting plate 28, the switch 17 controls the second display screen 15, the booster water pump 21, the vending machine 24 and the illuminating lamp 38 to be opened, the illuminating lamp 38 provides light for the mother and baby room, and the user opens the door body 10 through the handle 11, at the moment, the door body 10 slides in the sliding groove 8 through the sliding rod 9, then the user walks into the mother and baby room, and simultaneously closes the door body 10 again, then the user rotates the limit handle 26, so that the limit handle 26 avoids the rotation in the groove 27, thereby the placing plate 25 of the limit handle 26 is staggered, at the moment, the placing plate 25 is put down through the rotating shaft, the placing plate 25 is put flat under the coordination of the placing groove 13, at the moment, the user can place personal articles on the placing plate, then the user can sit on the telescopic chair 29 for lactation, in the process, a child can operate the second display screen 15, play games, reduce the attention, facilitate the lactation of the user, when the user needs to wash, at the moment, the user walks in front of the water pool 18 on the washing table 16, at the moment, the water tap 42 is opened, through the principle of the communicating device, water liquid in the water tank 20 flows into the booster pump, at the moment, the booster pump 21 starts to work, the booster pump 21 pumps out the water in the water tank 20 and sends the water to the position of the water tap 42 for spraying, so that a user can wash the water, the water enters the sewage collection tank 19 through the water tank 18 for collection, when the user has garbage, the garbage can be thrown into the garbage can 22 through the perforation 23 on the washing table 16 for collection, when the user needs to purchase articles, the user can purchase the articles through the vending machine 24, after the use is finished, the user takes out the garbage bag in the garbage can, the garbage can automatically changes the bag, meanwhile, the user limits the placing plate 25 in the placing groove 13 through the limiting handle 26 again, then the user walks out of the mother-and-baby room, and the user controls the second display screen 15, the booster pump 21, the vending machine 24 and the illuminating lamp 38 to stop working through the switch 17, meanwhile, the motor 34 is controlled to rotate reversely through the switch 17, so that the connecting rope 36 is wound through the winding wheel 35, the frames 2 are mutually contracted and close, meanwhile, the telescopic arms 30 are folded and contracted, and finally, the frames 2 are completely abutted together to finish contraction.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Retractable mother and infant room, including door frame (1), its characterized in that: the door frame is characterized in that a plurality of frames (2) are arranged on the rear side of the door frame (1) at equal intervals, the frame (2) on the foremost side is fixedly connected with the rear surface of the door frame (1), the rear surface of the frame (2) on the rearmost side is fixedly connected with a rear side plate (3), a polytetrafluoroethylene film (4) is arranged between every two adjacent frames (2), two sides of the polytetrafluoroethylene film (4) are respectively fixedly connected with the outer walls of the corresponding frames (2), grooves (5) are symmetrically formed in the bottoms of the door frame (1) and the frame (2), a walking mechanism (6) is arranged in each groove (5), a blocking strip (7) is fixedly connected with the inner wall of the rear side of the door frame (1), two parallel sliding grooves (8) are formed in the top of the door frame (1), sliding rods (9) matched with the sliding grooves (8) are slidably connected on the inner sides of the sliding grooves (8), and a door body (10) is fixedly connected with the bottoms of the sliding rods (9), the rear surface of a rear side door body (10) is provided with a placing groove (13), the inner side of the placing groove (13) is provided with a placing platform (14), the inner walls of a foremost side frame (2) and a rearmost side frame (2) are fixedly connected with mounting plates (28), telescopic chairs (29) are arranged between the mounting plates (28), telescopic arms (30) are symmetrically arranged at the tops of the foremost side frame (2) and the rearmost side frame (2), the bottom surface of each telescopic arm (30) is fixedly connected with an illuminating lamp (38), two ends of each telescopic arm (30) are respectively fixedly connected with the foremost side frame (2) and the rearmost side frame (2), the top of the foremost side frame (2) can be fixedly connected with a transverse plate (31), one side of the bottom surface of the transverse plate (31) is fixedly connected with a mobile power supply (32), the other side of the transverse plate (31) is fixedly connected with a rotating seat (33), the inner side of the rotating seat (33) is rotatably connected with a reel (35), the winding wheel (35) is provided with a connecting rope (36) in a winding mode, one end of the connecting rope (36) is fixedly connected with the outer wall of the winding wheel (35), the other end of the connecting rope (36) is fixedly connected with the rear side plate (3), a motor (34) is arranged on the outer side of the rotating seat (33), the motor (34) is fixedly connected with the transverse plate (31), an output shaft of the motor (34) penetrates through the rotating seat (33) and is fixedly connected with the winding wheel (35), solar panels (37) are fixedly connected to the top of the door frame (1) at equal intervals, and a switch (17) is fixedly connected to the front surface of the door frame (1).

2. The collapsible maternal-infant chamber of claim 1, wherein: door frame (1) and frame (2) are the U-shaped setting, keep off strake (7) and set up for the U-shaped, flexible chair (29) are honeycomb, the equal fixedly connected with handle (11) of the front surface of the door body (10), handle (11) are embedded in the door body (10), fixed surface is connected with first display screen (12) before the upper portion of the rear side door body (10), first display screen (12) are used for showing the advertisement, first display screen (12) are inlayed and are established in the door body (10), the front surface one corner fixedly connected with second display screen (15) of rear side board (3), second display screen (15) are touch-control display screen, and be equipped with the recreation procedure in second display screen (15).

3. The collapsible maternal-infant chamber of claim 1, wherein: another corner of the front surface of the rear side plate (3) is fixedly connected with a wash platform (16), one side of the top surface of the wash platform (16) is fixedly connected with a water tank (18), a water tap (42) is fixedly installed on the top surface of the water tank (18), a sewage collecting tank (19) communicated with the water tank (18) is arranged below the water tank (18), a water tank (20) is arranged on one side of the sewage collecting tank (19), a notch is formed in one corner of the bottom of the water tank (20), a booster pump (21) is arranged in the notch, a liquid inlet of the booster pump (21) is fixedly connected with a liquid outlet of the water tank (20), the booster pump (21) is fixedly connected with the water tap (42) through a pipeline, a garbage can (22) is arranged on the outer side of one side of the water tank (20), the garbage can (22) can be automatically changed into a bag, a through hole (23) is formed in the wash platform (16) corresponding to an opening of the garbage can (22), and a through hole (19) is formed in the sewage collecting tank (19), The water tank (20), the booster pump (21) and the garbage bin are all arranged in the wash platform (16), the vending machine (24) is arranged above the wash platform (16), and the vending machine (24) is fixedly connected with the front surface of the rear side plate (3).

4. The collapsible maternal-infant chamber of claim 1, wherein: the placing platform (14) comprises a placing plate (25) and a limiting handle (26).

5. The collapsible maternal-infant chamber of claim 4, wherein: the door is characterized in that the placing plate (25) is arranged in the placing groove (13), the bottom of the placing plate (25) is hinged to the bottom of the placing groove (13) through a rotating shaft, the limiting handle (26) is arranged at the top of the placing groove (13), the door body (10) is provided with a dodging groove (27) corresponding to the limiting handle (26), and the limiting handle (26) is arranged in the dodging groove (27) and is rotatably connected with the door body (10) through the limiting handle (26).

6. The collapsible maternal and infant chamber of claim 1, wherein: the travelling mechanism (6) comprises a movable plate (39), a travelling wheel (40) and a piston shock absorber (41).

7. The collapsible maternal-infant chamber of claim 6, wherein: the movable plate (39) is arranged in the groove (5) and is in sliding connection with the inner wall of the groove (5), the walking wheels (40) are rotatably connected to the bottom surface of the movable plate (39) through wheel seats, the bottom parts of the walking wheels (40) extend out of the groove (5), one end of the piston shock absorber (41) is fixedly connected with the top surface of the movable plate (39), and the other end of the piston shock absorber (41) is fixedly connected with the inner wall of the top of the groove (5).