CN111772412A - Children bunk beds prevents falling device based on electromagnetic induction principle - Google Patents
Children bunk beds prevents falling device based on electromagnetic induction principle Download PDFInfo
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- CN111772412A CN111772412A CN202010706900.3A CN202010706900A CN111772412A CN 111772412 A CN111772412 A CN 111772412A CN 202010706900 A CN202010706900 A CN 202010706900A CN 111772412 A CN111772412 A CN 111772412A
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- movably connected
- spring
- children
- swing joint
- shell
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims 2
- 230000033001 locomotion Effects 0.000 abstract description 13
- 238000005096 rolling process Methods 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 7
- 230000001960 triggered effect Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/20—Multi-stage bedsteads; e.g. bunk beds; Bedsteads stackable to multi-stage bedsteads
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/22—Combinations of bedsteads with other furniture or with accessories, e.g. with bedside cabinets
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/08—Devices for prevention against falling-out, e.g. detachable sidewalls
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
- A47D15/005—Restraining devices, e.g. safety belts, contoured cushions or side bumpers
- A47D15/008—Restraining devices, e.g. safety belts, contoured cushions or side bumpers in beds, play-pens or cradles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D7/00—Children's beds
- A47D7/007—Children's beds combined with other nursery furniture, e.g. chests of drawers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention relates to the technical field of furniture special for children, and discloses a children double-layer bed anti-falling device based on an electromagnetic induction principle, which comprises a shell and a connecting plate, wherein the inside of the shell is movably connected with a first spring, the outside of the first spring is movably connected with a sliding rail, the inside of the sliding rail is movably connected with a second spring, the top of the second spring is movably connected with a sliding rod, the inside of the sliding rod is movably connected with an electromagnet, the outside of the sliding rod is movably connected with a buckle, and the outside of the sliding rod is fixedly connected with a piston; through the shell, even under the interact between board, spring one, slide rail, spring two, slide bar, electro-magnet, buckle, piston, cardboard, the gasbag, can make when children take place to fall down on the step, electromagnetic induction device can be triggered, and then the transmission between the structure can make even board emergence motion, will prevent like this that children from rolling downwards, avoids children and the sharp-pointed part of the bed body to bump and cause the damage of health.
Description
Technical Field
The invention relates to the technical field of furniture special for children, in particular to a children bunk bed anti-falling device based on an electromagnetic induction principle.
Background
With the continuous development of society, parents pay more and more attention to learning, entertainment and rest of children in the growth process, so that the parents are willing to buy furniture which is suitable for the children to use for the children, and the children can grow healthily and happily.
In the special furniture of numerous children, the special bed of children is more favored by the head of a family, for better can cultivate children's learning ability and the quality of guaranteeing to have a rest at night, the volume of selling of the special bed of children of table formula is also best under going to bed, although this type of bed is more suitable for children's use, but this kind of bed is because the bed body is in two layers, this just makes children can need the step when walking about between ground and the bed body, but children's balancing ability is not very strong and also be in good-moving age, this just makes children be very likely to fall down when going to the step, and then roll down from the step, children often can cause the injury of health because of the collision between health and the step edges and corners when the step rolls down, there is certain threat to children's safety.
Therefore, in order to solve the problems, a children bunk bed falling-preventing device based on the electromagnetic induction principle is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a children bunk bed anti-falling device based on an electromagnetic induction principle, which has the advantages of preventing children from rolling down and protecting children safety, and solves the problems that a special children bed for getting on and off a table needs steps when a child walks between the ground and the bed body due to the fact that the bed body is positioned on two layers, but the balance capability of the child is not very strong and the child is in a good age, so that the child is very likely to fall down when getting on or off the steps and then rolls down from the steps, and the children are often injured by collision between bodies and step edges when the steps roll down.
(II) technical scheme
In order to achieve the purposes of preventing children from rolling off and protecting the children safety, the invention provides the following technical scheme: the utility model provides a children bunk beds prevents falling device based on electromagnetic induction principle, including shell and even board, the inside swing joint of shell has spring one, the outside swing joint of spring one has the slide rail, the inside swing joint of slide rail has spring two, the top swing joint of spring two has the slide bar, the inside swing joint of slide bar has the electro-magnet, the outside swing joint of slide bar has the buckle, the outside fixedly connected with piston of slide bar, the outside swing joint of slide bar has the cardboard, the inside swing joint of even board has the gasbag, the inside swing joint of even board has the clamp plate, the inside swing joint of even board has non-Newtonian fluid, the inside swing joint of even board has the fly leaf, the inside swing joint of even board has N utmost point, even board inside swing joint has S utmost point, the inside swing joint of even.
Preferably, even board swing joint is in the outside of shell, and the inside of shell and the surface of slide rail all block and are equipped with the draw-in groove, slide rail swing joint in the inside of shell, slide bar swing joint in the inside of slide rail.
Preferably, the outside of slide rail also swing joint has the buckle, and the outside swing joint of buckle has spring three, and the one end swing joint that the buckle was kept away from to spring three is in the outside of slide rail, the position and the specification and the buckle phase-match of electro-magnet, and the inside of buckle is provided with the iron plate, the specification and the draw-in groove phase-match of buckle.
Preferably, the inside fixedly connected with baffle of shell, the left side and the baffle swing joint of piston have, the right side swing joint of piston is in the inside of shell, the top of baffle be provided with cardboard assorted card hole.
Preferably, the outer part of the air bag is movably connected with an air pipe, one end of the air pipe, which is far away from the air bag, is movably connected to the inner side of the partition plate, and the top of the sliding rod is movably connected to the bottom of the connecting plate.
Preferably, the non-Newtonian fluid is arranged in a space defined by the pressure plate, the movable plate and the shell, the main component of the non-Newtonian fluid is polyacrylamide, the bottom of the movable plate is movably connected with a spring IV, the bottom of the spring IV is movably connected inside the connecting plate, the specifications of an N pole and an S pole are matched, the exterior of the connecting rod is movably connected with a spring V, the bottom of the connecting rod is movably connected with a copper rod, the specification of the copper rod is matched with the specifications of the N pole and the S pole, and the specification of the connecting rod is matched with the movable plate.
Preferably, the electromagnet is electrically connected with the copper rod.
(III) advantageous effects
Compared with the prior art, the invention provides a children bunk bed anti-falling device based on an electromagnetic induction principle, which has the following beneficial effects:
1. this children bunk beds prevents falling device based on electromagnetic induction principle, through the shell, even board, spring one, a slide rail, spring two, the slide bar, the electro-magnet, the buckle, a piston, the cardboard, under the interact between the gasbag, can make when children take place to fall down on the step, electromagnetic induction device can be triggered, and then transmission between the structure can make even board emergence motion, will prevent like this that children from rolling downwards, avoid children and the sharp-pointed part of the bed body to collide and cause the damage of health, and the gasbag also can be aerifyd, further buffering children fall down the collision that back health and step take place, children's safety has been protected.
2. This children bunk beds prevents falling device based on electromagnetic induction principle, through the interact between clamp plate, non-Newton 'S fluid, fly leaf, the N utmost point, the S utmost point, the connecting rod under, can be so that children when falling down, can trigger the electromagnetic induction device to this prevents rolling down the device after further triggering, and five springs can be used for buffering daily children' S activity on the step, more is fit for actual conditions like this and uses.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the inventive structure;
FIG. 2 is a schematic structural diagram illustrating a connection relationship between some of the structures shown in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is a schematic view of the connection between the connecting plate, the pressing plate, the non-Newtonian fluid and the moving plate according to the present invention;
FIG. 5 is a schematic view of the structure at B in FIG. 4 according to the present invention.
In the figure: 1. a housing; 2. connecting plates; 3. a first spring; 4. a slide rail; 5. a second spring; 6. a slide bar; 7. an electromagnet; 8. buckling; 9. a piston; 10. clamping a plate; 11. an air bag; 12. pressing a plate; 13. a non-Newtonian fluid; 14. a movable plate; 15. an N pole; 16. an S pole; 17. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-5, a children bunk bed falling prevention device based on electromagnetic induction principle comprises a shell 1 and a connecting plate 2, wherein the inner part of the shell 1 is movably connected with a first spring 3, the outer part of the first spring 3 is movably connected with a sliding rail 4, the inner part of the sliding rail 4 is movably connected with a second spring 5, the top part of the second spring 5 is movably connected with a sliding rod 6, the connecting plate 2 is movably connected with the outer part of the shell 1, clamping grooves are respectively arranged in the inner part of the shell 1 and the surface of the sliding rail 4 in a clamping manner, the sliding rail 4 is movably connected in the inner part of the shell 1, and the sliding rod.
An electromagnet 7 is movably connected inside the slide rod 6, a buckle 8 is movably connected outside the slide rod 6, a buckle 8 is also movably connected outside the slide rail 4, a spring III is movably connected outside the buckle 8, one end, far away from the buckle 8, of the spring III is movably connected outside the slide rail 4, the position and the specification of the electromagnet 7 are matched with those of the buckle 8, an iron block is arranged inside the buckle 8, and the specification of the buckle 8 is matched with that of the clamping groove; the outside fixedly connected with piston 9 of slide bar 6, the outside swing joint of slide bar 6 has cardboard 10, and the inside fixedly connected with baffle of shell 1, the left side and the baffle swing joint of piston 9, the right side swing joint of piston 9 are in the inside of shell 1, and the top of baffle is provided with the card hole with cardboard 10 assorted.
The inner part of the connecting plate 2 is movably connected with an air bag 11, the outer part of the air bag 11 is movably connected with an air pipe, one end of the air pipe, which is far away from the air bag 11, is movably connected to the inner side of the partition plate, and the top of the sliding rod 6 is movably connected to the bottom of the connecting plate 2; through shell 1, even board 2, a spring 3, slide rail 4, two springs 5, slide bar 6, electro-magnet 7, buckle 8, piston 9, cardboard 10, under the interact between the gasbag 11, can make when children take place to fall down on the step, electromagnetic induction device can be triggered, and then transmission between the structure can make even board 2 take place to move, will prevent like this that children from rolling downwards, avoid children and the sharp-pointed part of the bed body to collide and cause the damage of health, and gasbag 11 also can be aerifyd, further buffering children fall down the collision that back health and step take place, children's safety has been protected.
The interior of the connecting plate 2 is movably connected with a pressing plate 12, the interior of the connecting plate 2 is movably connected with non-Newtonian fluid 13, the interior of the connecting plate 2 is movably connected with a movable plate 14, the interior of the connecting plate 2 is movably connected with an N pole 15, the interior of the connecting plate 2 is movably connected with an S pole 16, the interior of the connecting plate 2 is movably connected with a connecting rod 17, the interior of a space enclosed by the pressing plate 12, the movable plate 14 and the shell 1 is provided with the non-Newtonian fluid 13, the main component of the non-Newtonian fluid 13 is polyacrylamide, the bottom of the movable plate 14 is movably connected with a spring IV, the bottom of the spring IV is movably connected with the interior of the connecting plate 2, the specifications of the N pole 15 and the S pole 16 are matched, the exterior of the connecting rod 17 is movably connected with a spring V, the bottom of the connecting rod 17 is movably connected with a copper rod, the, the electromagnet 7 is electrically connected with the copper bar, and under the interaction of the pressure plate 12, the non-Newtonian fluid 13, the movable plate 14, the N pole 15, the S pole 16 and the connecting rod 17, the electromagnetic induction device can be triggered when a child falls down, so that the anti-rolling device after further triggering is further triggered, and the spring five can be used for buffering the movement of the daily child on a step, so that the anti-rolling device is more suitable for actual use.
The working process and the principle are that when the device starts to be started, because the inner part of the connecting plate 2 is movably connected with the air bag 11, the inner part of the connecting plate 2 is movably connected with the pressing plate 12, the inner part of the connecting plate 2 is movably connected with the non-Newtonian fluid 13, the inner part of the connecting plate 2 is movably connected with the movable plate 14, the inner part of the connecting plate 2 is movably connected with the N pole 15, the inner part of the connecting plate 2 is movably connected with the S pole 16, the inner part of the connecting plate 2 is movably connected with the connecting rod 17, the outer part of the air bag 11 is movably connected with the air pipe, one end of the air pipe, which is far away from the air bag 11, is movably connected with the inner side of the partition plate, the top of the sliding rod 6 is movably connected with the bottom of the connecting plate 2, the non-Newtonian fluid 13 is arranged in a space formed by the pressing plate 12, the movable, the specifications of the N pole 15 and the S pole 16 are matched, the outer part of the connecting rod 17 is movably connected with a spring V, the bottom of the connecting rod 17 is movably connected with a copper bar, the specification of the copper bar is matched with the specifications of the N pole 15 and the S pole 16, and the specification of the connecting rod 17 is matched with the movable plate 14; at this moment, after the child falls down on the step, the child will collide with the outside of the connecting plate 2, the pressing plate 12 will move under the action of the sudden force, the non-newtonian fluid 13 will be under the action of the pressing plate 12, the state of the non-newtonian fluid will change from the liquid state to the gel state, thus the movement of the pressing plate 12 will drive the movement of the non-newtonian fluid 13, the movement of the non-newtonian fluid 13 drives the movement of the movable plate 14, the movement of the movable plate 14 drives the spring to contract four times, the movement of the movable plate 14 will contact with the connecting rod 17 and drive the movement thereof, the movement of the connecting rod 17 drives the spring to contract five times and the movement of the copper rod, the movement of the copper rod.
Because the inside of the shell 1 is movably connected with the first spring 3, the outside of the first spring 3 is movably connected with the slide rail 4, the inside of the slide rail 4 is movably connected with the second spring 5, the top of the second spring 5 is movably connected with the slide rod 6, the inside of the slide rod 6 is movably connected with the electromagnet 7, the outside of the slide rod 6 is movably connected with the buckle 8, the outside of the slide rod 6 is fixedly connected with the piston 9, the outside of the slide rod 6 is movably connected with the buckle plate 10, the connecting plate 2 is movably connected with the outside of the shell 1, the inside of the shell 1 and the surface of the slide rail 4 are respectively provided with a clamping groove, the slide rail 4 is movably connected with the inside of the shell 1, the slide rod 6 is movably connected with the inside of the slide rail 4, the outside of the slide rail 4 is also movably connected with the buckle 8, the outside of the buckle 8, an iron block is arranged inside the buckle 8, the specification of the buckle 8 is matched with the clamping groove, a partition plate is fixedly connected inside the shell 1, the left side of the piston 9 is movably connected with the partition plate, the right side of the piston 9 is movably connected inside the shell 1, a clamping hole matched with the clamping plate 10 is formed in the top of the partition plate, and the electromagnet 7 is electrically connected with the copper rod; at the moment, current in the copper bar supplies power to the electromagnet 7, the electromagnet 7 supplies power to drive the buckle 8 to move under the action of the iron block, the buckle 8 moves to drive the spring III to contract, the buckle 8 does not combine with the clamping groove any more, the sliding rail 4 and the sliding rod 6 move under the action of restoring force of the spring I3 and the spring II 5 respectively, the sliding rod 6 moves to drive the piston 9 to move, and the piston 9 moves to enable air among the partition plate, the piston 9 and the clamping plate 10 to be transmitted to the inside of the air bag 11 through the air pipe; and the slide bar 6 moves to drive the connecting plate 2 to move, and the piston 9 moves to drive the clamping plate 10 to move, so that the clamping plate 10 is not clamped with the partition plate any more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a children bunk beds prevents falling device based on electromagnetic induction principle, includes shell (1) and even board (2), its characterized in that: the inner part of the shell (1) is movably connected with a first spring (3), the outer part of the first spring (3) is movably connected with a sliding rail (4), the inner part of the sliding rail (4) is movably connected with a second spring (5), the top part of the second spring (5) is movably connected with a sliding rod (6), the inner part of the sliding rod (6) is movably connected with an electromagnet (7), the outer part of the sliding rod (6) is movably connected with a buckle (8), the outer part of the sliding rod (6) is fixedly connected with a piston (9), the outer part of the sliding rod (6) is movably connected with a clamping plate (10), the inner part of the connecting plate (2) is movably connected with an air bag (11), the inner part of the connecting plate (2) is movably connected with a pressing plate (12), the inner part of the connecting plate (2) is movably connected with a non-Newtonian fluid (13), the inner, the connecting plate (2) is movably connected with an S pole (16) inside, and the connecting plate (2) is movably connected with a connecting rod (17) inside.
2. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: even board (2) swing joint is in the outside of shell (1), and the inside of shell (1) and the surface of slide rail (4) all block and are equipped with the draw-in groove, slide rail (4) swing joint is in the inside of shell (1), slide bar (6) swing joint is in the inside of slide rail (4).
3. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: the outside of slide rail (4) also swing joint has buckle (8), and the outside swing joint of buckle (8) has spring three, and the one end swing joint that buckle (8) were kept away from to spring three is in the outside of slide rail (4), the position and the specification and buckle (8) phase-match of electro-magnet (7), and the inside of buckle (8) is provided with the iron plate, the specification and the draw-in groove phase-match of buckle (8).
4. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: the inside fixedly connected with baffle of shell (1), the left side and the baffle swing joint of piston (9), the right side swing joint of piston (9) is in the inside of shell (1), the top of baffle be provided with cardboard (10) assorted card hole.
5. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: the outside swing joint of gasbag (11) has the trachea, and the trachea is kept away from one end swing joint of gasbag (11) and is in the inboard of baffle, and the top swing joint of slide bar (6) is in the bottom of even board (2).
6. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: the pressure plate (12), the movable plate (14) and the shell (1) enclose a space, and a non-Newtonian fluid (13) is arranged inside the space, the main component of the non-Newtonian fluid (13) is polyacrylamide, the bottom of the movable plate (14) is movably connected with a spring IV, the bottom of the spring IV is movably connected with the inside of the connecting plate (2), the specifications of an N pole (15) and an S pole (16) are matched, the outside of the connecting rod (17) is movably connected with a spring V, the bottom of the connecting rod (17) is movably connected with a copper rod, the specifications of the copper rod are matched with the specifications of the N pole (15) and the S pole (16), and the specification of the connecting rod (17) is matched with the movable plate (14).
7. The children bunk bed falling prevention device based on the electromagnetic induction principle according to claim 1, wherein: the electromagnet (7) is electrically connected with the copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706900.3A CN111772412A (en) | 2020-07-21 | 2020-07-21 | Children bunk beds prevents falling device based on electromagnetic induction principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706900.3A CN111772412A (en) | 2020-07-21 | 2020-07-21 | Children bunk beds prevents falling device based on electromagnetic induction principle |
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| Publication Number | Publication Date |
|---|---|
| CN111772412A true CN111772412A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010706900.3A Withdrawn CN111772412A (en) | 2020-07-21 | 2020-07-21 | Children bunk beds prevents falling device based on electromagnetic induction principle |
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| CN (1) | CN111772412A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112598942A (en) * | 2020-12-29 | 2021-04-02 | 日照职业技术学院 | English teaching wireless remote control removes teaching device convenient to operation |
| CN116750227A (en) * | 2023-07-13 | 2023-09-15 | 深圳市畅天游智能科技有限公司 | Portable multi-rotor folding unmanned aerial vehicle |
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| CN103711267A (en) * | 2012-10-08 | 2014-04-09 | 薛童 | Safety airbag support plate of stair |
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| CN209152800U (en) * | 2018-07-17 | 2019-07-26 | 漾子家居（天津）有限公司 | A kind of bed Shatter-resistant device |
| CN108937334A (en) * | 2018-09-04 | 2018-12-07 | 张雅涵 | A kind of children's bunk beds with safety protection function |
| CN209610527U (en) * | 2018-09-25 | 2019-11-12 | 江西万友实业有限公司 | A kind of student of Anti-fall iron bed |
| CN209190119U (en) * | 2018-11-16 | 2019-08-02 | 南京康达焊接设备有限公司 | A kind of the welding of sheet metal parts tooling |
| CN209795394U (en) * | 2019-04-23 | 2019-12-17 | 浙江农业商贸职业学院 | Novel automobile anti-collision beam |
| CN111134431A (en) * | 2019-12-17 | 2020-05-12 | 清华大学 | Novel old person goes up and down stairs and prevents falling device |
| CN110979119A (en) * | 2020-01-03 | 2020-04-10 | 郑建光 | Device for preventing head and neck from being collided and injured for heavy agricultural vehicle |
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| CN111387757A (en) * | 2020-05-28 | 2020-07-10 | 杭州纺瑰谛家具有限公司 | Device for preventing baby from falling off of baby cradle based on electromagnetic induction principle |
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| CN112598942A (en) * | 2020-12-29 | 2021-04-02 | 日照职业技术学院 | English teaching wireless remote control removes teaching device convenient to operation |
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