CN211511190U - Multifunctional telescopic bunk bed - Google Patents

Multifunctional telescopic bunk bed Download PDF

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Publication number
CN211511190U
CN211511190U CN201921988721.2U CN201921988721U CN211511190U CN 211511190 U CN211511190 U CN 211511190U CN 201921988721 U CN201921988721 U CN 201921988721U CN 211511190 U CN211511190 U CN 211511190U
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turning plate
bed
telescopic
rod
front side
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CN201921988721.2U
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Chinese (zh)
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杨薇
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Nanjing Institute of Industry Technology
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Nanjing Institute of Industry Technology
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Abstract

The utility model discloses a multifunctional telescopic up-down bed, which comprises a bed body, wherein the bed body is formed by combining an upper bed and a lower bed which are symmetrical, an upper turning plate is arranged on the left side of the top of the upper bed, an upper turning plate twisting head is welded on the left side of the bottom of the upper turning plate, an upper turning plate supporting rod is connected on the bottom of the upper turning plate twisting head in a rotating way, a slide rail is welded on the left side of the bottom of the upper bed, a forward-reverse motor is arranged on the right side of the bottom of the upper bed, a lower turning plate is arranged on the left side of the top of the lower bed, lower turning plate twisting heads are welded on the front and the rear ends of the right side of the bottom of the lower bed, a lower turning plate electric push rod is vertically arranged on the front and rear ends of the left side of the bottom of the lower bed, a bottom box is arranged on, the utility model has the advantages of reasonable design, the space in utilization room that can the maximize to guarantee user's safety and comfort level.

Description

Multifunctional telescopic bunk bed
Technical Field
The utility model relates to an indoor house technical field, concretely relates to multi-functional telescopic bunk bed.
Background
Although the upper berth and the lower berth are updated for countless generations in the current market, the upper berth and the lower berth have a part of problems basically, the traditional stairs of the upper berth and the lower berth have only two states, one is more vertical stairs used in schools, the other is more inclined stairs used in families, but the two states have certain problems, the vertical stairs are not suitable for the old, children or people with uncomfortable body, so that great potential safety hazard exists, the inclined stairs occupy too much living space, and because the inclined stairs are inclined, therefore, the basically occupied space is difficult to be reused, and with the arrival of intellectualization, more and more people like playing mobile phones, reading books, eating, however, the behaviors are very harmful to the body, particularly the spine, and for this reason, a multifunctional telescopic up-down bed is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a multi-functional telescopic bunk bed, the space in utilization room that can the maximize to guarantee user's safety and comfort level.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a multifunctional telescopic up-down bed comprises a bed body, wherein the bed body is formed by combining an upper bed and a lower bed which are symmetrical, an upper turning plate is arranged on the left side of the top of the upper bed, an upper turning plate twisting head is welded on the left side of the bottom of the upper turning plate, an upper turning plate supporting rod is rotatably connected to the bottom of the upper turning plate twisting head, a sliding rail is welded on the left side of the bottom of the upper bed, and a forward-backward rotating motor is arranged on the right side of the bottom of the upper bed;
a lower turning plate is arranged on the left side of the top of the bed at the lower end, lower turning plate twisting heads are welded at the front end and the rear end of the right side of the bottom of the lower turning plate, lower turning plate electric push rods are vertically arranged at the front end and the rear end of the left side of the bottom of the bed at the lower end, the top power output end of the lower turning plate electric push rod is connected with the lower turning plate twisting heads in a switching mode, and the bottom of the lower turning plate electric push rod is rotatably connected with the;
the bed is characterized in that a bottom box is arranged at the bottom of the right end of the front side of the bed body, telescopic rods are symmetrically connected to the left side and the right side of the top of the bottom box in a switching mode, anti-skid pedals are arranged between the two groups of telescopic rods at equal intervals from bottom to top, telescopic rod connectors are rotatably connected to the tops of the two groups of telescopic rods and fixedly connected with the front side of an upper bed on the bed body through screws, telescopic ladder electric push rods are horizontally arranged at the left end and the right end of the rear side of the bottom box, a telescopic ladder controller and an upper turning plate controller are arranged at the left end of the front side wall of the upper bed, the telescopic ladder controller is positioned at the left side of the upper turning plate controller, and a lower turning;
the front side and the rear side of the bottom of the inner cavity of the bottom box are symmetrically and rotatably connected with rollers, the bottoms of the rollers extend out of the outer side of the bottom box, telescopic ladder step motor connectors are welded on the left side and the right side of the lower end of the rear side wall of the bottom box, the power output end of the front side of an electric push rod of the telescopic ladder is in switching connection with the telescopic ladder step motor connectors, lower turning plate connectors are symmetrically arranged on the front side and the rear side of the bottom end of the lower turning plate, the lower turning plate is rotatably connected with a lower end bed through the lower turning plate connectors, upper turning plate connectors are symmetrically arranged on the front side and the rear side of the bottom end of;
the front side power take off of just reversing motor is connected with transmission connecting rod, the inner chamber sliding connection of slide rail has the slider dop, the rear side wall rigid coupling of slider dop has the threaded rod, the inner chamber of transmission connecting rod is stretched into to the rear end of threaded rod, and the threaded rod stretches into the one end and the looks spiro union of transmission connecting rod inner chamber, the welding of the bottom of slider dop has the removal slider, and removes the slider and be located the below of slide rail, the bottom of board bracing piece is located the right side of slide rail on turning over, and turns over the board bracing piece on the bottom and the top right side looks switching of removal slider.
Preferably, in the multifunctional telescopic bunk bed, the upper protective guard is arranged on the front side of the upper turning plate, and the bottom of the upper protective guard is fixedly connected with the upper bunk on the bed body, so that people can be prevented from falling onto the ground during sleeping, and the safety of users can be ensured.
Preferably, in the multifunctional telescopic upper and lower bunk bed, the upper end of the bed is provided with a first accommodating groove matched with the upper turning plate, and the lower end of the bed is provided with a second accommodating groove matched with the lower turning plate, so that the upper turning plate and the lower turning plate can be conveniently accommodated and stored on the upper bunk bed and the lower bunk bed respectively.
Preferably, the aforesaid is arranged in multi-functional telescopic bunk bed, the telescopic link is formed by two sets of articulated chains combinations, the articulated chain is formed by a plurality of word pole combinations, and a plurality of word pole end to end is articulated mutually, two the articulated chain is articulated mutually with the rotating shaft on the skid-proof pedal through the middle hinge point of a word pole, the telescopic link constitutes a scissors formula telescopic stair with skid-proof pedal, is convenient for to the expansion of skid-proof pedal and receive and release the use.
Preferably, the multifunctional telescopic up-down bed is used, the upper surface of the anti-skid pedal is provided with anti-skid lines, so that people can be prevented from trampling and sliding down up and down, and the safety of the people in use is improved.
Preferably, the side, away from the forward and reverse rotation motor, of the transmission connecting rod is provided with a thread groove matched with the threaded rod, so that the transmission connecting rod is conveniently connected with threads on the threaded rod to drive the threaded rod to move towards the inside or the outside of the transmission connecting rod.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model has reasonable structural design, on one hand, the liftable bed head is formed by arranging the upper turning plate and the lower turning plate on the upper bed and the lower bed of the bed body, so that people can read books or play on the bed more conveniently, the vertebra of a user is well protected, and the bed is more comfortable; on the other hand, through the cooperation of telescopic link, skid resistant pedal, under casing, gyro wheel and extension ladder electric putter, can make the flexible storage of formula telescopic stair of cutting that telescopic link and skid resistant pedal constitute and expand freely, the more reasonable distribution of being convenient for utilizes the space in the room, ensures user's safety.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a usage state structure of the present invention;
FIG. 2 is a second schematic view of the structure of the utility model in use;
fig. 3 is a third schematic view of the structure of the utility model in use;
fig. 4 is a fourth schematic view of the structure of the utility model in use;
fig. 5 is a schematic view of the structure of the utility model in use;
fig. 6 is a schematic structural diagram six of the usage state of the present invention;
fig. 7 is a first schematic view of the connection state structure of the telescopic rod and the anti-skid pedal of the present invention;
fig. 8 is a second schematic view of the connection state structure of the telescopic rod and the anti-skid pedal of the present invention;
fig. 9 is a first schematic structural view of the connection state of the threaded rod and the transmission connecting rod according to the present invention;
fig. 10 is a structural diagram of a connection state of the threaded rod and the transmission connecting rod according to the present invention;
fig. 11 is a schematic structural view of a use state of the lower flap connector of the present invention;
fig. 12 is a schematic view of a connection state structure between the slider chuck and the slide rail according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-bed body, 2-upper turning plate, 3-upper turning plate twisting head, 4-upper turning plate support rod, 5-upper laying guard rail, 6-telescopic rod, 7-slide rail, 8-extension ladder controller, 9-forward and reverse rotation motor, 10-antiskid pedal, 11-lower turning plate, 12-lower turning plate twisting head, 13-lower turning plate controller, 14-lower turning plate electric push rod, 15-extension ladder electric push rod, 16-bottom box, 17-telescopic rod connector, 18-upper turning plate controller, 19-moving slide block, 20-roller, 21-extension ladder stepping motor connector, 22-lower turning plate connector, 23-upper turning plate connector, 24-slide block chuck, 25-threaded rod and 26-transmission connecting rod.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-12, a multifunctional telescopic upper and lower berth bed comprises a bed body 1, wherein the bed body 1 is formed by combining an upper berth and a lower berth which are symmetrical, an upper turning board 2 is arranged on the left side of the top of the upper berth, an upper berth guard rail 5 is arranged on the front side of the upper turning board 2, the bottom of the upper berth guard rail 5 is fixedly connected with the upper berth on the bed body 1 to prevent personnel from rolling down the ground during sleeping so as to ensure the safety of users, an upper turning board twisting head 3 is welded on the left side of the bottom of the upper turning board 2, an upper turning board support rod 4 is rotatably connected with the bottom of the upper turning board twisting head 3, a slide rail 7 is welded on the left side of the bottom of the upper berth, a forward and reverse rotation motor 9 is arranged on the right side of the bottom of the upper berth, a lower turning board 11 is arranged on the left side of the top of the lower berth, lower turning board, the top power output end of the lower turning plate electric push rod 14 is connected with the lower turning plate twisting head 12 in a switching way, the bottom of the lower turning plate electric push rod 14 is connected with the ground in a rotating way, the bottom of the right end of the front side of the bed body 1 is provided with a bottom box 16, the left side and the right side of the top of the bottom box 16 are symmetrically connected with telescopic rods 6 in a switching way, anti-skid pedals 10 are arranged between the two groups of telescopic rods 6 at equal intervals from bottom to top, the upper surface of each anti-skid pedal 10 is provided with anti-skid grains to prevent personnel from trampling and sliding off when the personnel trample up and down, the safety of the personnel during use is improved, each telescopic rod 6 is formed by combining two groups of hinged chains, each hinged chain is formed by combining a plurality of straight rods, the plurality of straight rods are hinged end to end, the two hinged chains are hinged with a rotating shaft on the anti-skid pedals, the top parts of two groups of telescopic rods 6 are rotatably connected with telescopic rod connectors 17, the telescopic rod connectors 17 are fixedly connected with the front side of an upper end bed on the bed body 1 through screws, telescopic ladder electric push rods 15 are horizontally arranged at the left and right ends of the rear side of a bottom box 16, a telescopic ladder controller 8 and an upper turning plate controller 18 are arranged at the left end of the front side wall of the upper end bed, the telescopic ladder controller 8 is positioned at the left side of the upper turning plate controller 18, a lower turning plate controller 13 is arranged at the left side of the front side wall of a lower end bed, rollers 20 are symmetrically and rotatably connected at the front and rear sides of the bottom of an inner cavity of the bottom box 16, the bottoms of the rollers 20 extend out of the bottom box 16, telescopic ladder stepping motor connectors 21 are welded at the left and right sides of the lower end of the rear side wall of the bottom box 16, the front side power output end of the telescopic ladder electric push rods 15 is connected with the, the lower turning plate 11 is rotationally connected with a lower end bed through a lower turning plate connector 22, upper turning plate connectors 23 are symmetrically arranged on the front side and the rear side of the bottom end of the upper turning plate 2, the upper turning plate 2 is rotationally connected with an upper end bed through the upper turning plate connectors 23, an accommodating groove I matched with the upper turning plate 2 is arranged on the upper end bed, an accommodating groove II matched with the lower turning plate 11 is arranged on the lower end bed, the upper turning plate 2 and the lower turning plate 11 are respectively accommodated and stored on the upper and lower beds conveniently, a front side power output end of the forward and reverse rotation motor 9 is connected with a transmission connecting rod 26, an inner cavity of the sliding rail 7 is slidably connected with a sliding block chuck 24, a rear side wall of the sliding block chuck 24 is fixedly connected with a threaded rod 25, the rear end of the threaded rod 25 extends into an inner cavity of the transmission connecting rod 26, one end of the threaded rod 25 extending into the inner cavity of the transmission connecting rod 26 is in threaded connection with, the screw thread on being convenient for and threaded rod 25 links together, drives threaded rod 25 and moves to inside or outside transmission connecting rod 26, and the welding of the bottom of slider dop 24 has movable slide 19, and movable slide 19 is located the below of slide rail 7, and the bottom of going up board bracing piece 4 is located the right side of slide rail 7, and the bottom of going up board bracing piece 4 and the top right side of movable slide 19 of turning over is changeed mutually.
One specific application of this embodiment is: the utility model has the advantages of reasonable design, when the lower berth user needs to read or pitch up on bed, through moving the switch on the lower flap controller 13 to the left side, turn over board electric putter 14 under starting, turn over board electric putter 14 and extension ladder electric putter 15 down all provide effective power through external step motor, the drive ratio of step motor is fixed, the operation sound is little, stable in structure, the volume ratio is little, the transmission is steady, make the telescopic link on the lower flap electric putter 14 move upwards, prop up the lower flap 11, thereby reach the purpose of lifting up, when lifting to the angle that the user needs, through moving the switch on the lower flap controller 13 to the intermediate position right, just can stop to required position, when needing to put down, through moving the switch in the lower flap controller 13 to the right, the lower flap 11 can resume to horizontal position, if need to stop in the descending process, when the upper berth user uses the telescopic ladder, the user moves the switch on the telescopic ladder controller 8 leftwards to start the electric push rod 15 of the telescopic ladder, after the electric push rod 15 of the telescopic ladder is connected with the bottom box 16 through the step motor connector 21 of the telescopic ladder, when the electric push rod 15 of the telescopic ladder is started, the bottom box 16 is pushed to move forwards slowly on the ground through the rollers 20, meanwhile, the telescopic rod 6 is driven to extend to form an inclined stair with the antiskid pedal 10, when the telescopic ladder is completely extended, the switch on the telescopic ladder controller 8 is moved rightwards to the middle, when the user reaches the bed through the telescopic ladder, the electric push rod 15 of the telescopic ladder can be started to contract by moving the switch in the telescopic ladder controller 8 rightwards to drive the telescopic ladder to be accommodated and returned to the position, when a user on the upper bed needs to raise a book or play a mobile phone on the bed, the switch on the upper turning plate controller 18 is moved leftwards to start the forward and reverse rotation motor 9, the forward and reverse rotation motor 9 drives the transmission connecting rod 26 to rotate through forward and reverse rotation of the forward and reverse rotation motor 9, the threaded rod 25 is moved towards the inside or the outside of the transmission connecting rod 26 through the rotation of the transmission connecting rod 26, the sliding block chuck 24 is driven to slide in the sliding rail 7 through the movement of the transmission connecting rod 26, the sliding block 19 is driven to move through the sliding of the sliding block chuck 24, the upper turning plate supporting rod 4 is driven to move through the moving block 19 and the upper turning plate twisting head 3 through the moving block 19, the upper turning plate 2 is convenient to be rotated and lifted on the upper bed through the upper turning plate connector 23, when the upper turning plate 2 needs to be put down, move through the switch on with the upper flap board controller 18 and move right and can make the upper flap board 2 resume the normal position, resume the normal position back, move to the intermediate position through the switch with in the upper flap board controller 18, also can stop fixedly through the upper flap board controller 18 at any time with lower flap board 11 at the in-process that the upper flap board 2 put down, thereby be convenient for form can lift up the formula head of a bed, it is more convenient when letting people read books or play in bed, fine protection user's vertebra, make more comfortable.
Type one Type two
Forward and reverse rotation motor TCH(v)28-200-3-1800 TCH40-1500-100S
Stepping motor 57 series two-phase stepping motor 86 series three-phase stepping motor
The electric appliance models in the table are only two selected by the available scheme of the embodiment, other electric appliance elements meeting the use requirements of the embodiment are all available, the forward and reverse rotation motor 9, the lower turning plate electric push rod 14 and the extension ladder electric push rod 15 are respectively electrically connected with an external power supply through the matched upper turning plate controller 18, the lower turning plate controller 13 and the extension ladder controller 8, and the upper turning plate controller 18, the lower turning plate controller 13 and the extension ladder controller 8 are mature technical fields known by the technical personnel in the field, are only used, are not changed in structure and function and are obtained by purchasing in the market.
The above embodiments are only used to illustrate the technical solutions of the present invention, the protection scope of the present invention is not limited to the description scope of the above embodiments, and any modifications and changes made by those skilled in the art without inventive changes fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a multi-functional telescopic bunk bed, includes bed body (1), and bed body (1) is formed by the bed combination of upper and lower two sets of symmetries, its characterized in that: an upper turning plate (2) is arranged on the left side of the top of the bed at the upper end, an upper turning plate twisting head (3) is welded on the left side of the bottom of the upper turning plate (2), an upper turning plate supporting rod (4) is rotatably connected to the bottom of the upper turning plate twisting head (3), a sliding rail (7) is welded on the left side of the bottom of the bed at the upper end, and a forward and reverse rotation motor (9) is arranged on the right side of the bottom of the bed at the upper end;
a lower turning plate (11) is arranged on the left side of the top of the bed at the lower end, lower turning plate twisting heads (12) are welded at the front end and the rear end of the right side of the bottom of the lower turning plate (11), lower turning plate electric push rods (14) are vertically arranged at the front end and the rear end of the left side of the bottom of the bed at the lower end, the top power output end of each lower turning plate electric push rod (14) is connected with the lower turning plate twisting head (12) in a switching mode, and the bottom of each lower turning plate electric push rod (14) is rotatably connected;
a bottom box (16) is arranged at the bottom of the right end of the front side of the bed body (1), the left side and the right side of the top of the bottom box (16) are symmetrically connected with telescopic rods (6) in a switching way, anti-skid pedals (10) are arranged between the two groups of telescopic rods (6) at equal intervals from bottom to top, the tops of the two groups of telescopic rods (6) are rotatably connected with telescopic rod connectors (17), and the telescopic rod connector (17) is fixedly connected with the front side of the upper end bed on the bed body (1) through screws, the left end and the right end of the rear side of the bottom box (16) are both horizontally provided with an extension ladder electric push rod (15), the left end of the front side wall of the bed at the upper end is provided with an extension ladder controller (8) and an upper turning plate controller (18), the telescopic ladder controller (8) is positioned on the left side of the upper turning plate controller (18), and the left side of the front side wall of the bed at the lower end is provided with a lower turning plate controller (13);
the front side and the rear side of the bottom of an inner cavity of the bottom box (16) are symmetrically and rotatably connected with rollers (20) in a rotating mode, the bottoms of the rollers (20) extend out of the outer side of the bottom box (16), telescopic ladder step motor connectors (21) are welded on the left side and the right side of the lower end of the rear side wall of the bottom box (16), the power output end of the front side of a telescopic ladder electric push rod (15) is connected with the telescopic ladder step motor connectors (21) in a rotating mode, lower turning plate connectors (22) are symmetrically arranged on the front side and the rear side of the bottom end of the lower turning plate (11), the lower turning plate (11) is rotatably connected with a lower end bed through the lower turning plate connectors (22), upper turning plate connectors (23) are symmetrically arranged on the front side and the rear side of the bottom end of the upper turning plate (;
the front side power output end of the forward and reverse rotation motor (9) is connected with a transmission connecting rod (26), the inner cavity of the sliding rail (7) is connected with a sliding block chuck (24) in a sliding mode, a threaded rod (25) is fixedly connected to the rear side wall of the sliding block chuck (24), the rear end of the threaded rod (25) extends into the inner cavity of the transmission connecting rod (26), one end, extending into the inner cavity of the transmission connecting rod (26), of the threaded rod (25) is in threaded connection with the transmission connecting rod (26), a movable sliding block (19) is welded to the bottom of the sliding block chuck (24), the movable sliding block (19) is located below the sliding rail (7), the bottom end of the upward turning plate supporting rod (4) is located on the right side of the sliding rail (7), and the bottom end of the upward turning plate supporting rod (4) is.
2. The multifunctional telescopic bunk bed according to claim 1, characterized in that: an upper berth protective guard (5) is arranged on the front side of the upper turning plate (2), and the bottom of the upper berth protective guard (5) is fixedly connected with an upper end berth on the bed body (1).
3. The multifunctional telescopic bunk bed according to claim 1, characterized in that: the upper end of the bed is provided with a first accommodating groove matched with the upper turning plate (2), and the lower end of the bed is provided with a second accommodating groove matched with the lower turning plate (11).
4. The multifunctional telescopic bunk bed according to claim 1, characterized in that: the telescopic link (6) is formed by two sets of articulated chains in a combined manner, the articulated chains are formed by a plurality of straight bars in a combined manner, and a plurality of straight bars are articulated end to end, two the articulated chains are articulated with the rotating shaft on the anti-skid pedal (10) through the middle articulated points of the straight bars, and the telescopic link (6) and the anti-skid pedal (10) form a shear type telescopic stair.
5. The multifunctional telescopic bunk bed according to claim 1, characterized in that: the upper surface of the antiskid pedal (10) is provided with antiskid lines.
6. The multifunctional telescopic bunk bed according to claim 1, characterized in that: and a thread groove matched with the threaded rod (25) is formed in one side, away from the forward and reverse rotating motor (9), of the transmission connecting rod (26).
CN201921988721.2U 2019-11-18 2019-11-18 Multifunctional telescopic bunk bed Active CN211511190U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921988721.2U CN211511190U (en) 2019-11-18 2019-11-18 Multifunctional telescopic bunk bed

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Application Number Priority Date Filing Date Title
CN201921988721.2U CN211511190U (en) 2019-11-18 2019-11-18 Multifunctional telescopic bunk bed

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110693234A (en) * 2019-11-18 2020-01-17 南京工业职业技术学院 Multifunctional telescopic bunk bed
CN112093720A (en) * 2020-09-25 2020-12-18 衡阳市雄焱工具有限公司 Liftable automobile overhaul platform
CN112401556A (en) * 2020-11-25 2021-02-26 广东匠著装饰设计工程有限公司 Space-saving multifunctional integrated bed

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110693234A (en) * 2019-11-18 2020-01-17 南京工业职业技术学院 Multifunctional telescopic bunk bed
CN110693234B (en) * 2019-11-18 2024-04-26 南京工业职业技术学院 Multifunctional telescopic up-down bed
CN112093720A (en) * 2020-09-25 2020-12-18 衡阳市雄焱工具有限公司 Liftable automobile overhaul platform
CN112401556A (en) * 2020-11-25 2021-02-26 广东匠著装饰设计工程有限公司 Space-saving multifunctional integrated bed
CN112401556B (en) * 2020-11-25 2022-05-31 广东匠著装饰设计工程有限公司 Space-saving multifunctional integrated bed

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