CN112493753A - Lifting ladder of apartment combined bed and use method - Google Patents
Lifting ladder of apartment combined bed and use method Download PDFInfo
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- CN112493753A CN112493753A CN202011006398.1A CN202011006398A CN112493753A CN 112493753 A CN112493753 A CN 112493753A CN 202011006398 A CN202011006398 A CN 202011006398A CN 112493753 A CN112493753 A CN 112493753A
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- stair
- rotating rod
- ladder
- telescopic device
- plate
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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
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a lifting ladder of an apartment combined bed, which comprises a ladder main body, a ladder mounting frame, an upper telescopic device and a lower telescopic device, wherein the ladder main body is provided with a ladder mounting frame; the ladder mounting rack is vertically arranged and is attached to the apartment combined bed; the upper telescopic device and the lower telescopic device are sequentially arranged on the ladder mounting frame from top to bottom; the ladder main body is positioned on one side of the ladder mounting frame, and the upper telescopic device and the lower telescopic device are positioned on the other side of the ladder mounting frame; the upper telescopic device and the lower telescopic device are both embedded into the apartment combined bed; the ladder mounting frame is provided with an upper mounting through hole and a lower mounting through hole which are vertically arranged in a long strip shape; the lifting ladder of the apartment combined bed is simple and convenient to use, does not occupy the dormitory space, and is convenient and safe for a user to get on or off the bed through the obliquely arranged ladder main body.
Description
Technical Field
The invention relates to a ladder for upper and lower berths of high and low beds for students, in particular to a lifting ladder for an apartment combined bed and a using method thereof.
Background
The existing student dormitories (dormitories) generally use the form of an upper berth and a lower desk, wherein the upper berth is used for sleeping, and the lower part of the upper berth is used as a desk. There are situations where students need to get on or off the bed, and at this time, a corresponding ladder is needed.
Some ladders of the existing student apartment beds are vertically arranged, and the vertically arranged ladders have the problem that the upper bed and the lower bed are difficult to get on and off, and particularly students on the upper bed are difficult to step on the pedals of the ladders when getting off the bed; there are also some student apartment beds where the ladder is set obliquely, which has a problem of occupying dormitory space and may trip students causing personal injury.
Accordingly, there is a need for improvements in the art.
Disclosure of Invention
The invention aims to provide a convenient lifting ladder of an apartment combined bed and a using method thereof.
In order to solve the technical problem, the invention provides a lifting ladder of an apartment combined bed, which comprises a ladder main body, a ladder mounting frame, an upper telescopic device and a lower telescopic device;
the ladder mounting rack is vertically arranged and is attached to the apartment combined bed;
the upper telescopic device and the lower telescopic device are sequentially arranged on the ladder mounting frame from top to bottom;
the ladder main body is positioned on one side of the ladder mounting frame, and the upper telescopic device and the lower telescopic device are positioned on the other side of the ladder mounting frame; the upper telescopic device and the lower telescopic device are both embedded into the apartment combined bed;
the ladder mounting frame is provided with an upper mounting through hole and a lower mounting through hole which are vertically arranged in a long strip shape;
the upper telescopic device comprises an upper storage device, an upper stair rotating rod, an upper air pressure rod, an upper buffer and an upper buffer shaft seat;
the upper containing device comprises an upper telescopic device upper plate, an upper telescopic device lower plate, an upper telescopic device left side plate and an upper telescopic device right side plate; the upper telescopic device upper plate, the upper telescopic device lower plate, the upper telescopic device left side plate and the upper telescopic device right side plate are enclosed to form an upper containing cavity;
the head end of the stair ascending rotating rod is hinged with the lower plate of the upper telescopic device through an upper rotating hinge, and the tail end of the stair ascending rotating rod is hinged with the ladder main body; the stair climbing rotating rod penetrates through the upper mounting through hole;
the stair climbing rotary rod is in a zigzag shape and comprises a stair climbing rotary rod I, a stair climbing rotary rod II and a stair climbing rotary rod III which are fixedly connected in sequence;
the first end of the stair climbing rotary rod is hinged with the lower plate of the upper telescopic device through an upper rotary hinge, the first tail end of the stair climbing rotary rod is fixedly connected with the second head end of the stair climbing rotary rod, the second tail end of the stair climbing rotary rod passes through the upper mounting through hole and then is fixedly connected with the third head end of the stair climbing rotary rod, and the third tail end of the stair climbing rotary rod is hinged with the ladder main body;
an upper abutting plate is fixedly connected at the middle position of the rotating rod of the upper stair, two ends of an upper air pressure rod are respectively hinged with the upper abutting plate and the upper plate of the upper telescopic device,
the two ends of the upper buffer shaft base are respectively and fixedly connected with the left side plate of the upper telescopic device and the right side plate of the upper telescopic device, the upper buffer is fixedly arranged on the upper buffer shaft base, and the upper buffer is matched with the upper abutting plate for use;
the lower telescopic device comprises a lower accommodating device, a lower stair rotating rod, a lower air pressure rod, a lower buffer and a lower buffer shaft seat;
the lower containing device comprises a lower telescopic device upper plate, a lower telescopic device lower plate, a lower telescopic device left side plate and a lower telescopic device right side plate, and the lower telescopic device upper plate, the lower telescopic device lower plate, the lower telescopic device left side plate and the lower telescopic device right side plate are enclosed to form a lower containing cavity;
the head end of the rotating rod of the lower stair is hinged with the lower plate of the lower telescopic device through a lower rotating hinge, and the tail end of the rotating rod of the lower stair is hinged with the ladder main body; the rotary rod of the lower stair passes through the lower mounting through hole;
the lower stair rotating rod comprises a first lower stair rotating rod and a second lower stair rotating rod;
the first end of the lower stair rotating rod is hinged with the lower plate of the lower telescopic device through a lower rotating hinge, the first tail end of the lower stair rotating rod is fixedly connected with the second head end of the lower stair rotating rod, and the second tail end of the lower stair rotating rod passes through the lower mounting through hole and then is hinged with the ladder main body;
the second stair descending rotary rod is bent at a position close to the tail end to form a butting port; the abutting interface is matched with the lower mounting through hole for use;
the lower stair rotating rod is fixedly provided with a first lower supporting plate at the joint of the first lower stair rotating rod and the second lower stair rotating rod, and two ends of a lower air pressure rod are respectively hinged with the lower plate of the lower telescopic device and the first lower supporting plate;
a second lower abutting plate is fixedly connected to the middle position of the first lower stair rotating rod;
two ends of the lower buffer shaft base are respectively and fixedly connected with a left side plate of the lower telescopic device and a right side plate of the lower telescopic device, the lower buffer is fixedly arranged on the lower buffer shaft base, and the lower buffer is matched with the second lower supporting plate;
the lower buffer shaft seat is positioned between the lower rotating hinge and the ladder main body, and the lower buffer is obliquely arranged upwards towards one side of the lower rotating hinge.
As an improvement of the ascending and descending ladder of the apartment combined bed of the invention:
the first stair climbing rotary rod is parallel to the third stair climbing rotary rod, and an included angle between the second stair climbing rotary rod and the first stair climbing rotary rod and the third stair climbing rotary rod is an obtuse angle or a right angle;
an included angle between the first stair descending rotating rod and the second stair descending rotating rod is an obtuse angle, and the second stair descending rotating rod bends downwards relative to the first stair descending rotating rod.
As a further improvement to the ascending and descending ladder of the apartment combined bed of the present invention:
the bottom of the upper mounting through hole is flush with the lower plate of the upper telescopic device, the distance from the bottom of the upper mounting through hole to the upper rotating hinge is equal to the length of the first stair ascending rotating rod, and the distance from the top of the upper mounting through hole to the upper rotating hinge is equal to the distance from the head end of the first stair ascending rotating rod to the tail end of the second stair ascending rotating rod.
As a further improvement to the ascending and descending ladder of the apartment combined bed of the present invention:
the upper buffer shaft seat is positioned right above the upper rotating hinge, the upper buffer is obliquely downward towards one side of the ladder main body, and the upper buffer is positioned on the circumference which takes the upper rotating hinge as the center and takes the first stair rotating rod as the radius; when the rotary hinge above the rotary rod of the upstairs rotates as the circle center, the upper abutting plate can abut against the upper buffer.
As a further improvement to the ascending and descending ladder of the apartment combined bed of the present invention:
the horizontal height of the bottom of the lower mounting through hole is higher than that of the lower plate of the lower telescopic device, and the distance from the bottom of the lower mounting through hole to the lower rotating hinge is equal to the length of the first lower stair rotating rod; the distance from the top of the lower mounting through hole to the lower rotating hinge is equal to the distance from the abutting port to the lower rotating hinge.
As a further improvement to the ascending and descending ladder of the apartment combined bed of the present invention:
the length from the first head end of the lower stair rotary rod to the second tail end of the lower stair rotary rod is greater than the length from the first end to the tail end, so that the ladder main body is vertically arranged when being contracted, and is obliquely arranged when being stretched.
As a further improvement to the ascending and descending ladder of the apartment combined bed of the present invention:
the upper buffer and the lower buffer are both ACJ oil pressure buffers.
The invention also provides a use method of the lifting ladder of the apartment combined bed, which comprises the following steps:
after a user gets off the bed from the upper bed or when the user is on the bed of the upper bed, the ladder main body can be contracted, so that the occupied space of the ladder main body is reduced; at this time:
for the upper telescopic device, the second stair ascending rotating rod and the first stair ascending rotating rod are both positioned in an upper receiving cavity of the upper receiving device, and the joint of the second stair ascending rotating rod and the third stair ascending rotating rod is abutted against the top of the upper mounting through hole; the upper buffer is abutted against the upper abutting plate, the upper air pressure rod is compressed and is obliquely arranged downwards towards the inner side, and the upper air pressure rod generates an inward force on the upper abutting plate;
for the lower telescopic device, all the first lower stair rotating rods and part of the second lower stair rotating rods are positioned in a lower accommodating cavity of the lower accommodating device, and the abutting port is abutted against the top of the lower mounting through hole; the lower buffer is separated from the second lower abutting plate and does not contact with the second lower abutting plate, the lower air pressure rod is compressed and is obliquely arranged upwards towards the inner side, and the lower air pressure rod generates an inward force on the first lower abutting plate;
the ladder main body is attached to the ladder mounting frame and kept fixed under the action of the upper air pressure rod and the lower air pressure rod, and the height of the ladder main body is greater than that of the ladder mounting frame, so that a user on a bed on the upper berth can push the ladder main body conveniently;
when a user needs to get on or off the bed, the ladder body can be stretched by pushing the top of the ladder body on the upper bed or pulling the ladder body on the lower bed;
after the ladder main body is stressed, the ladder main body drives the upper stair rotary rod to rotate clockwise by taking the rotary hinge above the upper stair rotary rod as a circle center until the joint of the upper stair rotary rod II and the upper stair rotary rod I is abutted against the bottom of the upper mounting through hole; the first stair climbing rotary rod is attached to the lower plate of the upper telescopic device, the lower plate of the upper telescopic device provides supporting force, the upper air pressure rod is changed from being obliquely arranged downwards towards the inner side to being obliquely arranged downwards towards the outer side, and the upper air pressure rod generates a downward force on the upper abutting plate, so that the first stair climbing rotary rod is attached to the lower plate of the upper telescopic device;
meanwhile, the ladder main body drives the lower rotating hinge of the lower stair rotating rod to rotate clockwise as a circle center until the joint of the first lower stair rotating rod and the second lower stair rotating rod is abutted against the bottom of the lower mounting through hole; the lower buffer is abutted with the second lower abutting plate, the lower buffer provides a supporting force, the lower air pressure rod is changed from being obliquely arranged upwards from the inner side to being obliquely arranged upwards from the outer side, and the lower air pressure rod generates an outward force on the first lower abutting plate;
the top of the ladder main body is abutted against the top of the ladder mounting frame, a certain distance is reserved between the bottom of the ladder main body and the bottom of the ladder mounting frame, and the ladder main body is arranged in an inclined mode on the ladder mounting frame; the ladder main body is kept fixed under the action of the upper air pressure rod and the lower air pressure rod; the user goes up and down the bed through the ladder main body.
The technical advantages of the lifting ladder of the apartment combined bed and the using method are as follows:
the lifting ladder of the apartment combined bed can contract the ladder body to reduce the occupied space after a user puts off the bed from the upper berth or when the user puts on the bed from the upper berth. When the user need get to bed or get off the bed, can exert the power in the outside to it with the top that promotes the ladder main part on the bed of upper berth, perhaps exert the power in the outside to it at lower berth pulling ladder main part for the ladder main part is tensile, makes the top of ladder main part and the top butt of ladder mounting bracket, one distance in interval between the bottom of ladder main part and the bottom of ladder mounting bracket, and the ladder main part relies on the slope setting on the ladder mounting bracket.
The lifting ladder of the apartment combined bed is simple and convenient to use, does not occupy the dormitory space, and is convenient and safe for a user to get on or off the bed through the obliquely arranged ladder main body.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of an elevated ladder of an apartment complex bed according to the invention when extended;
FIG. 2 is a schematic view showing a configuration of an ascending/descending ladder of the apartment complex bed according to the present invention when retracted;
FIG. 3 is a schematic view showing the construction of the ladder mounting frame 1, the upper and lower retractors of the present invention when extended, installed in an apartment complex bed;
fig. 4 is a schematic view showing the construction of the ladder mounting frame 1, the upper and lower retractors when the ascending and descending ladder of the present invention is installed in an apartment complex bed and retracted.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
The ladder mounting rack 1 is vertically arranged, and the ladder mounting rack 1 is attached to an apartment combined bed.
The upper telescopic device and the lower telescopic device are sequentially arranged on the ladder mounting frame 1 from top to bottom.
The ladder main body 2 is positioned on one side of the ladder mounting frame 1, the upper telescopic device and the lower telescopic device are positioned on the other side of the ladder mounting frame 1, and the upper telescopic device and the lower telescopic device are both embedded into the apartment combined bed. The ladder mounting bracket 1 is disposed outside the ladder main body 2 and the ladder mounting bracket 1 is disposed outside the upper and lower extendable devices.
An upper mounting through hole 11 and a lower mounting through hole 12 are arranged on the ladder mounting frame 1, and the upper mounting through hole 11 and the lower mounting through hole 12 are vertically arranged long strips.
The upper retractor includes an upper storage device 3, an upper stair rotation lever 5, an upper pneumatic lever 57, an upper bumper 55, and an upper bumper hub 54.
The upper storage device 3 comprises an upper telescopic device upper plate 31, an upper telescopic device lower plate 32, an upper telescopic device left side plate 33 and an upper telescopic device right side plate 34, wherein the upper telescopic device upper plate 31, the upper telescopic device lower plate 32, the upper telescopic device left side plate 33 and the upper telescopic device right side plate 34 are enclosed to form an upper storage cavity.
The head end of the stair ascending rotating rod 5 is hinged with the upper telescopic device lower plate 32 through an upper rotating hinge 56, and the tail end of the stair ascending rotating rod 5 is hinged with the ladder main body 2. The upstairs rotating rod 5 passes through the upper mounting through hole 11.
The stair ascending rotating rod 5 is zigzag, and comprises a stair ascending rotating rod I51, a stair ascending rotating rod II 52 and a stair ascending rotating rod III 53 which are fixedly connected in sequence.
The first stair climbing rotating rod 51 is parallel to the third stair climbing rotating rod 53, and an included angle between the second stair climbing rotating rod 52 and the first stair climbing rotating rod 51 and the third stair climbing rotating rod 53 is an obtuse angle or a right angle (namely, the included angle is greater than or equal to 90 degrees).
The head end of the first stair ascending rotating rod 51 is hinged to the lower plate 32 of the upper telescopic device through an upper rotating hinge 56, the tail end of the first stair ascending rotating rod 51 is fixedly connected with the head end of the second stair ascending rotating rod 52, the tail end of the second stair ascending rotating rod 52 penetrates through the upper mounting through hole 11 and is fixedly connected with the head end of the third stair ascending rotating rod 53, and the tail end of the third stair ascending rotating rod 53 is hinged to the ladder main body 2.
An upper resisting plate 58 (generally, two upper stair rotating rods 5 are symmetrically arranged, two ends of the upper resisting plate 58 are respectively and fixedly connected with the two upper stair rotating rods 51) is fixedly connected with the middle position of the upper stair rotating rod 51, two ends of an upper air pressure rod 57 are respectively hinged with the upper resisting plate 58 and the upper telescopic device upper plate 31,
the two ends of the upper buffer shaft base 54 are respectively fixedly connected with the upper telescopic device left side plate 33 and the upper telescopic device right side plate 34, the upper buffer 55 is fixedly arranged on the upper buffer shaft base 54, and the upper buffer 55 is matched with the upper abutting plate 58 for use.
The bottom of the upper mounting through hole 11 is flush with the lower plate 32 of the upper telescopic device, the distance from the bottom of the upper mounting through hole 11 to the upper rotating hinge 56 is equal to the length of the first stair rotating rod 51, and the distance from the top of the upper mounting through hole 11 to the upper rotating hinge 56 is equal to the distance from the head end of the first stair rotating rod 51 to the tail end of the second stair rotating rod 52.
The upper damper shaft 54 is located right above the upper swing hinge 56, the upper damper 55 is inclined downward toward the ladder main body 2, and the upper damper 55 is located on a circumference centered on the upper swing hinge 56 and having a radius equal to the radius of the upper stair swing rod 51. When the rotating rod 5 of the ascending stair rotates around the rotating hinge 56, the upper abutting plate 58 can abut against the upper buffer 55.
The lower telescopic device comprises a lower storage device 4, a lower stair rotating rod 6, a lower air pressure rod 66, a lower buffer 65 and a lower buffer shaft seat 64;
the lower storage device 4 includes a lower telescoping device upper plate 41, a lower telescoping device lower plate 42, a lower telescoping device left side plate 43, and a lower telescoping device right side plate 44, and the lower telescoping device upper plate 41, the lower telescoping device lower plate 42, the lower telescoping device left side plate 43, and the lower telescoping device right side plate 44 enclose to form a lower storage chamber.
The head end of the lower stair rotating rod 6 is hinged with the lower telescopic device lower plate 42 through a lower rotating hinge 67, and the tail end of the lower stair rotating rod 6 is hinged with the ladder main body 2. The lower stair rotation rod 6 passes through the lower mounting through hole 12.
The lower stair rotating rod 6 comprises a first lower stair rotating rod 61 and a second lower stair rotating rod 62.
The head end of the first lower stair rotating rod 61 is hinged to the lower telescopic device lower plate 42 through a lower rotating hinge 67, the tail end of the first lower stair rotating rod 61 is fixedly connected with the head end of the second lower stair rotating rod 62, and the tail end of the second lower stair rotating rod 62 penetrates through the lower mounting through hole 12 and then is hinged to the ladder main body 2. An included angle between the first stair descending rotating rod 61 and the second stair descending rotating rod 62 is an obtuse angle, and the second stair descending rotating rod 62 is bent downwards relative to the first stair descending rotating rod 61.
The second stair descending rotating rod 62 is bent at a position close to the tail end to form an abutting port 63. The abutting port 63 is used in cooperation with the lower mounting through hole 12.
The first lower stair supporting plate 68 is fixedly arranged at the joint of the first lower stair rotating rod 61 and the second lower stair rotating rod 62 of the lower stair rotating rod 6 (generally, two lower stair rotating rods 6 are symmetrically arranged, and two ends of the first lower supporting plate 68 are fixedly connected with the two upper stair rotating rods 5 respectively), and two ends of the lower air pressure rod 66 are hinged to the lower telescopic device lower plate 42 and the first lower supporting plate 68 respectively.
And a second lower abutting plate 69 is fixedly connected to the middle position of the first lower stair rotating rod 61 (generally, two lower stair rotating rods 6 are symmetrically arranged, and two ends of the second lower abutting plate 69 are fixedly connected with the first lower stair rotating rods 61 respectively).
The bottom of the lower mounting through-hole 12 has a level higher than that of the lower retractor lower plate 42, and the distance from the bottom of the lower mounting through-hole 12 to the lower rotating hinge 67 is equal to the length of the lower stair rotating rod one 61. The distance from the top of the lower mounting through hole 12 to the lower rotating hinge 67 is equal to the distance from the abutment 63 to the lower rotating hinge 67.
The two ends of the lower buffer shaft base 64 are respectively and fixedly connected with the lower telescopic device left side plate 43 and the lower telescopic device right side plate 44, the lower buffer 65 is fixedly arranged on the lower buffer shaft base 64, and the lower buffer 65 is matched with the second lower abutting plate 69 for use.
The lower damper boss 64 is located between the lower swing hinge 67 and the ladder main body 2, and the lower damper 65 is disposed obliquely upward toward the lower swing hinge 67.
The upper shock absorber 55 and the lower shock absorber 65 are both ACJ hydraulic shock absorbers. The upper buffer 55 can abut against the upper abutting plate 58, and the upper buffer 55 plays a supporting role for limiting the rotation angle of the rod 5 for ascending stairs. The lower buffer 65 can abut against the second lower abutting plate 69, and the lower buffer 65 plays a supporting role and is used for limiting the rotating angle of the rotating rod 6 for going downstairs.
The length from the head end of the first lower stair rotating rod 61 to the tail end of the second lower stair rotating rod 62 is greater than the length from the head end of the ladder 51 to the tail end of the ladder 53, so that the ladder main body 2 is vertically arranged when being contracted, and the ladder main body 2 is obliquely arranged when being stretched.
The using process of the invention is as follows:
after the user gets out of the bed from the upper bed or when he/she gets on the upper bed, the ladder main body 2 can be retracted to reduce the space occupied by the ladder main body. At this time:
for the upper telescopic device, the second stair ascending rotating rod 52 and the first stair ascending rotating rod 51 are both positioned in an upper receiving cavity of the upper receiving device 3, and the joint of the second stair ascending rotating rod 52 and the third stair ascending rotating rod 53 is abutted to the top of the upper mounting through hole 11. The upper buffer 55 is abutted with the upper abutting plate 58, the upper air pressure rod 57 is compressed and is obliquely arranged downwards towards the inner side, and the upper air pressure rod 57 generates an inward force on the upper abutting plate 58;
for the lower telescopic device, all the first lower stair rotating rods 61 and part of the second lower stair rotating rods 62 are positioned in the lower receiving cavity of the lower receiving device 4, and the abutting openings 63 abut against the top of the lower mounting through hole 12. The lower buffer 65 is separated from the second lower abutting plate 69 without contact, the lower air pressure rod 66 is compressed and is obliquely arranged upwards towards the inner side, and the lower air pressure rod 66 generates an inward force on the first lower abutting plate 68;
the ladder main body 2 is attached to the ladder mounting frame 1 and kept fixed under the action of the upper air pressure rod 57 and the lower air pressure rod 66, and the height of the ladder main body 2 is larger than that of the ladder mounting frame 1, so that a user on a bed on the upper berth can push the ladder main body conveniently.
When the user desires to get on or off the bed, the ladder body 2 may be stretched by applying an outside force to the ladder body 2 by pushing the top thereof on the bed of the upper berth or by pulling the ladder body 2 on the lower berth.
After the ladder main body 2 is stressed, the ladder main body drives the rotating hinge 56 above the stair ascending rotating rod 5 to rotate clockwise as a circle center until the joint of the stair ascending rotating rod II 52 and the stair ascending rotating rod I51 is abutted against the bottom of the upper mounting through hole 11; the first stair ascending rotating rod 51 is attached to the lower upper telescoping device plate 32, the lower upper telescoping device plate 32 provides a supporting force, the upper air pressure rod 57 is changed from being obliquely downward towards the inner side to being obliquely downward towards the outer side, and the upper air pressure rod 57 generates a downward force on the upper abutting plate 58, so that the first stair ascending rotating rod 51 is attached to the lower upper telescoping device plate 32.
Meanwhile, the ladder main body 2 drives the lower ladder rotating rod 6 to rotate clockwise by taking the lower rotating hinge 67 as a circle center until the joint of the lower ladder rotating rod I61 and the lower ladder rotating rod II 62 is abutted against the bottom of the lower mounting through hole 12; the lower buffer 65 is abutted with the second lower abutting plate 69, the lower buffer 65 provides a supporting force, the lower air pressure rod 66 is changed from being obliquely upwards arranged towards the inner side to being obliquely upwards arranged towards the outer side, and the lower air pressure rod 66 generates an outward force on the first lower abutting plate 68;
the top of ladder main part 2 and the top butt of ladder mounting bracket 1, one section distance in interval between the bottom of ladder main part 2 and the bottom of ladder mounting bracket 1, ladder main part 2 relies on the slope setting on ladder mounting bracket 1. The ladder body 2 is held stationary by the upper and lower gas strut 57, 66. The user can get on and off the bed through the ladder main body 2.
Finally, it is also noted that the above-mentioned lists merely illustrate a few specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (8)
1. The lift ladder of the apartment combined bed is used for the apartment combined bed, its characteristic is: comprises a ladder main body (2), a ladder mounting rack (1), an upper telescopic device and a lower telescopic device;
the ladder mounting rack (1) is vertically arranged, and the ladder mounting rack (1) is attached to the apartment combined bed;
the upper telescopic device and the lower telescopic device are sequentially arranged on the ladder mounting frame (1) from top to bottom;
the ladder main body (2) is positioned on one side of the ladder mounting frame (1), and the upper telescopic device and the lower telescopic device are positioned on the other side of the ladder mounting frame (1); the upper telescopic device and the lower telescopic device are both embedded into the apartment combined bed;
an upper mounting through hole (11) and a lower mounting through hole (12) are formed in the ladder mounting frame (1), and the upper mounting through hole (11) and the lower mounting through hole (12) are vertically arranged in a long strip shape;
the upper telescopic device comprises an upper storage device (3), an upper stair rotating rod (5), an upper air pressure rod (57), an upper buffer (55) and an upper buffer shaft seat (54);
the upper containing device (3) comprises an upper telescopic device upper plate (31), an upper telescopic device lower plate (32), an upper telescopic device left side plate (33) and an upper telescopic device right side plate (34); the upper telescopic device upper plate (31), the upper telescopic device lower plate (32), the upper telescopic device left side plate (33) and the upper telescopic device right side plate (34) are enclosed to form an upper containing cavity;
the head end of the stair ascending rotating rod (5) is hinged with the upper telescopic device lower plate (32) through an upper rotating hinge (56), and the tail end of the stair ascending rotating rod (5) is hinged with the ladder main body (2); the stair climbing rotating rod (5) penetrates through the upper mounting through hole (11);
the stair climbing rotating rod (5) is in a zigzag shape and comprises a stair climbing rotating rod I (51), a stair climbing rotating rod II (52) and a stair climbing rotating rod III (53) which are fixedly connected in sequence;
the head end of the first stair ascending rotating rod (51) is hinged with the lower plate (32) of the upper telescopic device through an upper rotating hinge (56), the tail end of the first stair ascending rotating rod (51) is fixedly connected with the head end of the second stair ascending rotating rod (52), the tail end of the second stair ascending rotating rod (52) penetrates through the upper mounting through hole (11) and then is fixedly connected with the head end of the third stair ascending rotating rod (53), and the tail end of the third stair ascending rotating rod (53) is hinged with the ladder main body (2);
an upper abutting plate (58) is fixedly connected with the middle position of the first stair ascending rotating rod (51), two ends of an upper air pressure rod (57) are respectively hinged with the upper abutting plate (58) and an upper telescopic device upper plate (31),
the two ends of the upper buffer shaft base (54) are respectively and fixedly connected with the upper telescopic device left side plate (33) and the upper telescopic device right side plate (34), the upper buffer (55) is fixedly arranged on the upper buffer shaft base (54), and the upper buffer (55) is matched with the upper abutting plate (58) for use;
the lower telescopic device comprises a lower storage device (4), a lower stair rotating rod (6), a lower air pressure rod (66), a lower buffer (65) and a lower buffer shaft seat (64);
the lower containing device (4) comprises a lower telescopic device upper plate (41), a lower telescopic device lower plate (42), a lower telescopic device left side plate (43) and a lower telescopic device right side plate (44), and the lower telescopic device upper plate (41), the lower telescopic device lower plate (42), the lower telescopic device left side plate (43) and the lower telescopic device right side plate (44) are enclosed to form a lower containing cavity;
the head end of the lower stair rotating rod (6) is hinged with the lower telescopic device lower plate (42) through a lower rotating hinge (67), and the tail end of the lower stair rotating rod (6) is hinged with the ladder main body (2); the lower stair rotating rod (6) penetrates through the lower mounting through hole (12);
the lower stair rotating rod (6) comprises a first lower stair rotating rod (61) and a second lower stair rotating rod (62);
the head end of the first lower stair rotating rod (61) is hinged with the lower telescopic device lower plate (42) through a lower rotating hinge (67), the tail end of the first lower stair rotating rod (61) is fixedly connected with the head end of the second lower stair rotating rod (62), and the tail end of the second lower stair rotating rod (62) penetrates through the lower mounting through hole (12) and then is hinged with the ladder main body (2);
the second stair descending rotating rod (62) is bent at a position close to the tail end to form an abutting port (63); the abutting port (63) is matched with the lower mounting through hole (12) for use;
the lower stair rotating rod (6) is fixedly provided with a first lower supporting plate (68) at the joint of the first lower stair rotating rod (61) and the second lower stair rotating rod (62), and two ends of a lower air pressure rod (66) are respectively hinged with a lower telescopic device lower plate (42) and the first lower supporting plate (68);
a second lower abutting plate (69) is fixedly connected to the middle position of the first lower stair rotating rod (61);
two ends of the lower buffer shaft base (64) are respectively and fixedly connected with a left side plate (43) of the lower telescopic device and a right side plate (44) of the lower telescopic device, the lower buffer (65) is fixedly arranged on the lower buffer shaft base (64), and the lower buffer (65) is matched with the second lower abutting plate (69) for use;
the lower buffer shaft seat (64) is positioned between the lower rotating hinge (67) and the ladder main body (2), and the lower buffer (65) is obliquely arranged upwards towards one side of the lower rotating hinge (67).
2. An elevating ladder of an apartment complex bed as claimed in claim 1, wherein:
the first stair climbing rotating rod (51) is parallel to the third stair climbing rotating rod (53), and the included angle between the second stair climbing rotating rod (52) and the first stair climbing rotating rod (51) and the third stair climbing rotating rod (53) is an obtuse angle or a right angle;
an included angle between the first stair descending rotating rod (61) and the second stair descending rotating rod (62) is an obtuse angle, and the second stair descending rotating rod (62) is bent downwards relative to the first stair descending rotating rod (61).
3. An elevator ladder of an apartment complex bed as claimed in claim 2, wherein:
the bottom of the upper mounting through hole (11) is flush with the lower plate (32) of the upper telescopic device, the distance from the bottom of the upper mounting through hole (11) to the upper rotating hinge (56) is equal to the length of the first stair ascending rotating rod (51), and the distance from the top of the upper mounting through hole (11) to the upper rotating hinge (56) is equal to the distance from the head end of the first stair ascending rotating rod (51) to the tail end of the second stair ascending rotating rod (52).
4. An elevating ladder of an apartment complex bed as claimed in claim 3, wherein:
the upper buffer shaft seat (54) is positioned right above the upper rotating hinge (56), the upper buffer (55) is inclined downwards to face one side of the ladder main body (2), and the upper buffer (55) is positioned on the circumference which takes the upper rotating hinge (56) as the center and takes the upper stair rotating rod I (51) as the radius; when the rotating hinge (56) rotates above the rotating rod (5) of the upstairs by taking the rotating hinge as a circle center, the upper abutting plate (58) can abut against the upper buffer (55).
5. An elevator ladder of an apartment complex bed as claimed in claim 4, wherein:
the horizontal height of the bottom of the lower mounting through hole (12) is higher than that of the lower plate (42) of the lower telescopic device, and the distance from the bottom of the lower mounting through hole (12) to the lower rotating hinge (67) is equal to the length of the first rotating rod (61) of the lower stair; the distance from the top of the lower mounting through hole (12) to the lower rotating hinge (67) is equal to the distance from the abutting port (63) to the lower rotating hinge (67).
6. An elevator ladder of an apartment complex bed as claimed in claim 5, wherein:
the length from the head end of the first downstair rotating rod (61) to the tail end of the second downstair rotating rod (62) is greater than the length from the head end (51) to the tail end (53), so that the vertical arrangement is ensured when the ladder main body (2) is contracted, and the inclined arrangement is ensured when the ladder main body (2) is stretched.
7. An elevator ladder of an apartment complex bed as claimed in claim 6, wherein:
the upper buffer (55) and the lower buffer (65) are both ACJ hydraulic buffers.
8. A method of using a lifting ladder for an apartment complex using the lifting ladder for an apartment complex as claimed in any one of claims 1 to 7, characterized in that: the method comprises the following steps:
after a user gets off the bed from the upper bed or when the user is on the bed of the upper bed, the ladder main body (2) can be contracted, so that the occupied space is reduced; at this time:
for the upper telescopic device, the second stair ascending rotating rod (52) and the first stair ascending rotating rod (51) are both positioned in an upper receiving cavity of the upper receiving device (3), and the joint of the second stair ascending rotating rod (52) and the third stair ascending rotating rod (53) is abutted to the top of the upper mounting through hole (11); the upper buffer (55) is abutted with the upper abutting plate (58), the upper air pressure rod (57) is compressed and is obliquely arranged downwards towards the inner side, and the upper air pressure rod (57) generates an inward force on the upper abutting plate (58);
for the lower telescopic device, all the first lower stair rotating rods (61) and part of the second lower stair rotating rods (62) are positioned in a lower accommodating cavity of the lower accommodating device (4), and the abutting port (63) abuts against the top of the lower mounting through hole (12); the lower buffer (65) is separated from the second lower supporting plate (69) without contact, the lower air pressure rod (66) is compressed and is obliquely arranged upwards towards the inner side, and the lower air pressure rod (66) generates an inward force on the first lower supporting plate (68);
the ladder main body (2) is attached to the ladder mounting frame (1) and kept fixed under the action of the upper air pressure rod (57) and the lower air pressure rod (66), and the height of the ladder main body (2) is greater than that of the ladder mounting frame (1), so that a user on a bed on the upper berth can push the ladder main body conveniently;
when a user needs to get on or off the bed, the external force can be applied to the ladder body (2) by pushing the top of the ladder body on the upper bed, or the external force can be applied to the ladder body (2) by pulling the ladder body on the lower bed, so that the ladder body (2) is stretched;
after the ladder main body (2) is stressed, the rotary hinge (56) above the stair ascending rotary rod (5) is driven to rotate clockwise as the circle center until the joint of the stair ascending rotary rod II (52) and the stair ascending rotary rod I (51) is abutted against the bottom of the upper mounting through hole (11); the first stair ascending rotating rod (51) is attached to the lower upper telescopic device plate (32), the lower upper telescopic device plate (32) provides supporting force, the upper air pressure rod (57) is changed from being obliquely downwards towards the inner side to being obliquely downwards towards the outer side, and the upper air pressure rod (57) generates downward force on the upper abutting plate (58) so that the first stair ascending rotating rod (51) is attached to the lower upper telescopic device plate (32);
meanwhile, the ladder main body (2) drives the lower ladder rotating rod (6) to clockwise rotate by taking the lower rotating hinge (67) as a circle center until the joint of the lower ladder rotating rod I (61) and the lower ladder rotating rod II (62) is abutted against the bottom of the lower mounting through hole (12); the lower buffer (65) is abutted with the second lower abutting plate (69), the lower buffer (65) provides a supporting force, the lower air pressure rod (66) is changed from being obliquely upwards arranged towards the inner side to being obliquely upwards arranged towards the outer side, and the lower air pressure rod (66) generates an outward force on the first lower abutting plate (68);
the top of the ladder main body (2) is abutted against the top of the ladder mounting frame (1), the bottom of the ladder main body (2) is separated from the bottom of the ladder mounting frame (1) by a certain distance, and the ladder main body (2) is obliquely arranged on the ladder mounting frame (1); the ladder main body (2) is kept fixed under the action of the upper air pressure rod (57) and the lower air pressure rod (66); the user goes up and down the bed through the ladder main body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006398.1A CN112493753B (en) | 2020-09-23 | 2020-09-23 | Lifting ladder of apartment combined bed and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006398.1A CN112493753B (en) | 2020-09-23 | 2020-09-23 | Lifting ladder of apartment combined bed and use method |
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| Publication Number | Publication Date |
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| CN112493753A true CN112493753A (en) | 2021-03-16 |
| CN112493753B CN112493753B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011006398.1A Active CN112493753B (en) | 2020-09-23 | 2020-09-23 | Lifting ladder of apartment combined bed and use method |
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| US20140097042A1 (en) * | 2012-10-05 | 2014-04-10 | Brian Wright | Motorized Extension Ladder |
| CN105201401A (en) * | 2015-09-11 | 2015-12-30 | 广西大学 | Contraction folding ladder |
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| CN107625335A (en) * | 2017-11-03 | 2018-01-26 | 成都市思卡利科技有限公司 | A kind of band upset and the bed up and down of folding ladder |
| CN209661023U (en) * | 2019-01-31 | 2019-11-22 | 河南工程学院 | The high sunken bed that university dormitory is used convenient for going to bed |
| CN209990441U (en) * | 2019-04-02 | 2020-01-24 | 广州港迪家具有限公司 | Ladder convenient to fold |
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2020
- 2020-09-23 CN CN202011006398.1A patent/CN112493753B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010115758A (en) * | 2008-11-14 | 2010-05-27 | Nk Engineering Kk | Portable workbench device |
| CN102273847A (en) * | 2011-07-06 | 2011-12-14 | 王天天 | Liftable bed for dormitory |
| US20140097042A1 (en) * | 2012-10-05 | 2014-04-10 | Brian Wright | Motorized Extension Ladder |
| CN105201401A (en) * | 2015-09-11 | 2015-12-30 | 广西大学 | Contraction folding ladder |
| CN105649523A (en) * | 2016-03-30 | 2016-06-08 | 钦州市外国语学校 | Multifunctional herring ladder |
| CN107625335A (en) * | 2017-11-03 | 2018-01-26 | 成都市思卡利科技有限公司 | A kind of band upset and the bed up and down of folding ladder |
| CN209661023U (en) * | 2019-01-31 | 2019-11-22 | 河南工程学院 | The high sunken bed that university dormitory is used convenient for going to bed |
| CN209990441U (en) * | 2019-04-02 | 2020-01-24 | 广州港迪家具有限公司 | Ladder convenient to fold |
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| Publication number | Publication date |
|---|---|
| CN112493753B (en) | 2023-04-14 |
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