CN114568869A - Double-layer bed with retractable ladder stand - Google Patents
Double-layer bed with retractable ladder stand Download PDFInfo
- Publication number
- CN114568869A CN114568869A CN202111509649.2A CN202111509649A CN114568869A CN 114568869 A CN114568869 A CN 114568869A CN 202111509649 A CN202111509649 A CN 202111509649A CN 114568869 A CN114568869 A CN 114568869A
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- Prior art keywords
- ladder
- limiting
- movable member
- bed
- shaft
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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
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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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
- A47C19/021—Bedstead frames
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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
Abstract
The invention relates to the technical field of furniture, in particular to a double-layer bed with a retractable ladder stand. The cat ladder that aims at solving current bunk beds can't be packed up, has the problem that the child climbs the risk. The double-layer bed comprises an upper-layer bed frame and a connecting assembly, wherein the connecting assembly is connected with the upper-layer bed frame; one end of the ladder stand is connected with the connecting component; the connecting component is arranged to fix the ladder stand below the upper bed frame when the connecting component is in a contraction state, and to enable the ladder stand to extend out of the lower part of the upper bed frame and to be obliquely arranged downwards along one end of the ladder stand towards the other end when the connecting component is in an extension state. Through such setting, when not using the cat ladder, can pack up the below of upper bedstead with the cat ladder, avoid the child to scramble the risk, when the bed is gone up and down to needs, only need pull out the below of cat ladder follow upper bedstead, the cat ladder can be the tilt state, compares in vertical cat ladder, and it is more convenient to go up and down the bed, and the risk that drops from the cat ladder is little.
Description
Technical Field
The invention belongs to the technical field of furniture, and particularly provides a double-layer bed with a retractable ladder stand.
Background
Current double-deck crib includes upper bedstead and lower floor's bedstead to can set up the cat ladder in the external side of bed, the top of cat ladder is fixed in upper bedstead, and the bottom sprag of cat ladder is on the ground, so that children climb to the bed. However, the existing ladder stands are fixedly connected with the bed body and cannot be folded, and if a child climbs the ladder stand alone, the child risks falling off from the ladder stand.
Therefore, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, namely to solve the problem that the crawling ladder of the existing double-layer bed cannot be folded, so that the climbing risk of the young children exists, the invention provides the double-layer bed with the retractable crawling ladder, which comprises an upper-layer bed frame, and further comprises: a connecting assembly connected with the upper bed frame; the crawling ladder is connected with the connecting component at one end; wherein the connecting assembly is arranged to enable the ladder to be fixed below the upper bed when the connecting assembly is in a contracted state, and to enable the ladder to extend out of the lower part of the upper bed and to be arranged obliquely downwards along one end of the ladder towards the other end when the connecting assembly is in an extended state.
In a preferred embodiment of the above double-deck bed, the connecting assembly includes: a fixing member connected to the upper bed frame; the movable component is movably connected with the fixed component, and one end of the ladder stand is connected with the first end of the movable component; wherein the movable member is movable relative to the fixed member in a longitudinal direction of the movable member to enable the connection assembly to be switched between a retracted state and an extended state, and the movable member is rotatable relative to the fixed member in a circumferential direction of the movable member to enable the ladder stand to rotate downward with one end of the ladder stand connected to the movable member as an axis in the extended state, so that the ladder stand is disposed obliquely downward in a direction from one end of the ladder stand toward the other end.
In a preferred technical solution of the above bunk bed, the fixed member is provided with a first limit structure, and the movable member is provided with a second limit structure, and in a contracted state, the first limit structure and the second limit structure are matched to prevent the movable member from rotating relative to the fixed member.
In a preferred technical solution of the above bunk bed, the fixed member is a tubular structure, the movable member is a shaft-like structure, the first limiting structure is a limiting sliding groove formed on an inner wall of the tubular structure and extending in a length direction of the tubular structure, the second limiting structure is a limiting protrusion formed on an outer surface of the shaft-like structure, and in a contracted state, the limiting protrusion is located in the limiting sliding groove so as to prevent the shaft-like structure from rotating relative to the tubular structure, and the limiting sliding groove allows the limiting protrusion to freely slide in the limiting sliding groove in the length direction of the limiting sliding groove.
In a preferred embodiment of the above double-deck bed, the connecting assembly further includes: a torsion spring provided on the fixing member; and a cushioning stopper member provided on the movable member; the torsion spring is matched with the buffering limiting component, the movable component can be prevented from being separated from the fixed component, and in an extending state, the free end of the torsion spring is connected with the buffering limiting component so as to buffer when the ladder stand rotates downwards.
In the preferable technical scheme of the double-layer bed, the fixed component is of a cylindrical structure, the movable component is of a shaft-shaped structure, the torsion spring is located in the cylindrical structure, the buffering limiting component is of an annular structure, the annular structure is sleeved on the shaft-shaped structure, and the outer diameter of the annular structure is matched with the inner diameter of the cylindrical structure.
In a preferred technical solution of the above bunk bed, the connecting assembly further includes an elastic limit pin, the elastic limit pin is disposed on the movable member, the fixed member is provided with a limit hole, and in a contracted state, the elastic limit pin is located in the limit hole so as to prevent the movable member from moving relative to the fixed member.
In the preferable technical scheme of the double-layer bed, an accommodating space is formed at a position, close to the first end of the movable member, the elastic limit pin is located in the accommodating space, the connecting assembly further comprises a pushing member, one end of the pushing member is close to the first end of the movable member, and the other end of the pushing member abuts against the elastic limit pin, so that the elastic limit pin can be conveniently separated from the limit hole.
In a preferable technical scheme of the double-layer bed, the double-layer bed further comprises handrails, the handrails are connected with the ladder stand, and in a contraction state, the handrails are located on one side of the upper-layer bed frame.
In the preferable technical scheme of the double-layer bed, the connecting assembly further comprises a hoop and a steel return letter, the hoop is fixedly connected with the steel return letter through a fastener, the steel return letter is arranged on the rectangular beam of the upper-layer bed frame, and the fixing component is clamped and fixed on the rectangular beam through the hoop and the steel return letter.
It will be appreciated by those skilled in the art that in a preferred embodiment of the invention the ladder is connected to the upper bed frame by a connection assembly and the connection assembly has an extended condition and a retracted condition, the ladder being able to be secured beneath the upper bed frame when the connection assembly is in the retracted condition and being able to be extended from beneath the upper bed frame when the connection assembly is in the extended condition and be arranged obliquely downwardly in a direction from one end of the ladder towards the other end. Through such setting, when not using the cat ladder, can accomodate the cat ladder to the below of upper bedstead, avoid the child to scramble the risk, when the bed is gone up and down to needs, only need pull out the cat ladder from the below of upper bedstead, the cat ladder can be the tilt state, compares in vertical cat ladder, and it is more convenient to go up and down to bed through the cat ladder that the slope set up, and the risk that drops from the cat ladder is little.
Further, the connection assembly includes: the movable member is movably connected with the fixed member, and one end of the ladder stand is connected with the first end of the movable member; the movable member can move relative to the fixed member along the length direction of the movable member, so that the connecting assembly can be switched between a contraction state and an extension state; in addition, in the extension state, the movable component can rotate relative to the fixed component along the circumferential direction of the movable component, so that the ladder stand is convenient to adjust to the inclined state, the structure is simple, and the operation is convenient.
Furthermore, the first limit structure and the second limit structure are respectively arranged on the fixed component and the movable component of the connecting component, and the first limit structure is matched with the second limit structure in the contraction state, so that the movable component can be prevented from rotating relative to the fixed component. Through the arrangement, the other end of the ladder stand does not need to be fixed by a fixing device, so that the cost can be reduced.
Still further, the coupling assembly further comprises: the movable component can be prevented from falling off from the fixed component by matching the torsion spring and the buffering limiting component, so that the ladder stand can be prevented from being separated from the upper-layer bed frame, and the safety is improved; and when extension state, the free end of torsional spring is connected with buffering stop member to cushion when the cat ladder rotates downwards, through such setting, can reduce the impact force of cat ladder to ground, thereby can enough avoid cat ladder and ground impaired, can reduce the noise again.
Still further, the fixed component is set as a tubular structure, the movable component is set as a shaft-shaped structure, the torsion spring is positioned in the tubular structure, the buffering and limiting component is an annular structure, the annular structure is sleeved on the shaft-shaped structure, and the outer diameter of the annular structure is matched with the inner diameter of the tubular structure. Through the arrangement, the movable component can move and rotate relative to the fixed component conveniently, and the operation is easy for a customer.
Still further, the movable component is formed with accommodation space on the position that is close to its first end, and the elasticity spacer pin is located accommodation space, and coupling assembling still includes pushing member, and the one end of pushing member is close to the first end of movable component, and the other end of pushing member supports and leans on the elasticity spacer pin to make the elasticity spacer pin deviate from in spacing hole. By such an arrangement, the state of extension or contraction of the connecting assembly is more easily controlled, and customer satisfaction is improved.
Still further, coupling assembling still includes clamp and time word steel, and the clamp passes through fastener fixed connection with time word steel, and time word steel bushing locates the rectangular beam of upper bedstead, and the fixed component passes through the clamp and time word steel card is fixed in rectangular beam. Through such setting, can effectively improve the steadiness that coupling assembling was fixed at upper bedstead.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a bunk bed with a linkage assembly of the present invention in a collapsed condition;
FIG. 2 is a schematic view of a bunk bed with the linkage assembly of the present invention in an extended state;
FIG. 3 is a schematic view of the ladder of the present invention;
FIG. 4 is a side view of the fixation member of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
FIG. 6 is a front view of the mobility member of the present invention;
FIG. 7 is a side view of the mobility member of the present invention;
FIG. 8 is a schematic structural view of a cushioning stop member of the present invention;
FIG. 9 is a schematic structural view of the torsion spring of the present invention;
FIG. 10 is a schematic view of the resilient spacing pin of the present invention;
FIG. 11 is a schematic view showing a state in which a yoke, a steel return, a fixing member, and a rectangular beam according to the present invention are assembled;
list of reference numerals:
1. an upper bed frame; 11. a rectangular beam; 2. a connecting assembly; 21. a tubular structure; 21A, a flat cylinder section; 21B, cylinder sections; 211. a chamfering structure; 212. a limiting hole; 213. a first limit structure; 214. a clamping groove; 22. a shaft-like structure; 221. a second limit structure; 222. a blocking member; 223. an accommodating space; 23. a cushioning and limiting member; 231. a cellular structure; 24. an elastic limit pin; 241. an elastic plate; 242. a bayonet lock; 25. a pushing member; 251. a connecting shaft; 252. a first disc; 253. a second disc; 26. a torsion spring; 261. a fixed end; 262. a free end; 3. climbing a ladder; 31. a first fixing lever; 32. a second fixing bar; 321. a body portion; 322. a clamping portion; 3221. a card slot; 33. a connecting plate; 4. clamping a hoop; 41. a fixing hole; 5. h, returning steel; 51. A threaded hole; 6. a handrail.
Detailed Description
First, it should be understood by those skilled in the art that the embodiments described below are only for explaining the technical principle of the present invention and are not intended to limit the scope of the present invention. For example, although the embodiments described below are described in connection with a double bed (including upper and lower bedframes), the technical solution of the present invention can also be applied to other types of beds, for example, a bed including only an upper bedframe (a desk or the like is provided below the upper bedframe) or a bed including a multi-layered bedframe, and the like.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "inner", "outer", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Reference is first made to fig. 1 and 2, wherein fig. 1 is a schematic structural view of a bunk bed with a connecting assembly of the invention in a collapsed state; fig. 2 is a schematic view of the structure of a bunk bed with the linkage assembly of the present invention in an extended state.
As shown in fig. 1 and 2, the double bed with the retractable ladder stand according to the present invention includes an upper frame 1, a connecting member 2, and a ladder stand 3, wherein the connecting member 2 is connected to the upper frame 1, and one end of the ladder stand 3 is connected to the connecting member 2, wherein the connecting member 2 has two states, a retracted state and an extended state, and when the connecting member 2 is in the retracted state, as shown in fig. 1, the ladder stand 3 can be fixed below the upper frame 1, and when the connecting member 2 is in the extended state, as shown in fig. 2, the ladder stand 3 can be extended from below the upper frame 1, and the ladder stand 3 can be disposed obliquely downward in a direction in which one end of the ladder stand 3 faces the other end.
Through setting up coupling assembling 2 and being connected cat ladder 3 and upper bedstead 1, under the general condition, coupling assembling 2 is in the shrink state, cat ladder 3 is located upper bedstead 1's below, when needs are gone up and down the bed, make coupling assembling 2 switch to the extension state by the shrink state, be about to cat ladder 3 pulls out from upper bedstead 1's below, cat ladder 3 can be the tilt state after being pulled out, compare in current vertical cat ladder, 3 beds are more convenient on going up and down through the cat ladder that the slope set up, and the risk that drops from cat ladder 3 is very little, after going up the bed or getting off the bed, make coupling assembling 2 switch to the shrink state by the extension state again, thereby fix cat ladder 3 to the below of upper bedstead 1, avoid the young child to scramble the risk, can also reduce occupation space.
With continuing reference to fig. 2, and with continuing reference to fig. 4-7, wherein fig. 4 is a side view of the securing member of the present invention; FIG. 5 is a sectional view taken along line A-A of FIG. 4; FIG. 6 is a front view of the mobility member of the present invention; figure 7 is a side view of the mobility member of the present invention.
As shown in fig. 4 to 7, the connecting assembly 2 of the present invention comprises a fixed member and a movable member which are connected, the fixed member is fixedly connected with or integrally provided with the upper-layer bedstead 1, one end of the ladder stand 3 is connected with a first end (the left end of the movable member as viewed in fig. 6) of the movable member; wherein the movable member is movable relative to the fixed member in the longitudinal direction of the movable member to enable the linkage assembly 2 to be switched between a retracted state and an extended state, and the movable member is rotatable relative to the fixed member in the circumferential direction of the movable member to enable the ladder stand 3 to be rotated downwardly about the end of the ladder stand 3 to which the movable member is connected as an axis in the extended state, such that the ladder stand 3 is disposed obliquely downwardly in the direction from one end of the ladder stand 3 towards the other end.
The fixed member may be a cylindrical structure 21, the movable member may be a shaft-like structure 22, the shaft-like structure 22 may be inserted into the cylindrical structure 21, the shaft-like structure 22 may be capable of moving left and right along the axial direction thereof relative to the cylindrical structure 21 and may be capable of rotating along the circumferential direction thereof relative to the cylindrical structure 21, or a circular sliding groove may be formed in the fixed member, the portion of the movable member connected to the fixed member may be a circular sliding column, the sliding column may be inserted into the sliding groove and may be capable of freely rotating and sliding left and right relative to the sliding groove, and so on, and such adjustment and change of the specific structural forms of the fixed member and the movable member are not departing from the principle and scope of the present invention and should be limited within the protection scope of the present invention.
Of course, it is preferable to provide the fixed member as the tubular structure 21 and the movable member as the shaft-like structure 22, and to achieve a simple structure and a good appearance. The following takes the fixed member as the cylindrical structure 21 and the movable member as the shaft-like structure 22 as an example, and the technical solution of the present invention will be described.
Illustratively, as shown in fig. 1 and 2, the upper-layer bed frame 1 is a rectangular bed frame, the tubular structure 21 is fixed to one end in the longitudinal direction of the upper-layer bed frame 1 and extends in the width direction of the upper-layer bed frame 1, the first end (the left end of the tubular structure as viewed in fig. 6) of the tubular structure 22 is connected to the ladder 3, the second end (the right end of the tubular structure as viewed in fig. 6) of the tubular structure 22 is inserted into the tubular structure 21, and in the collapsed state, as shown in fig. 1, most of the tubular structure 22 is inserted into the tubular structure 21, and only the portion near the first end of the tubular structure 22 leaks out of the tubular structure 21, and the tubular structure 22 can slide relative to the tubular structure 21 in the width direction of the upper-layer bed frame 1, so that the ladder 3 can be pulled out from below the upper-layer bed frame 1 or the ladder 3 can be pushed back to below the upper-layer bed frame 1, and, after the ladder 3 is pulled out, as shown in fig. 2, the ladder stand 3 can be inclined.
With continued reference to fig. 4 to 7, the first limiting structure 213 is disposed on the cylindrical structure 21, the second limiting structure 221 is disposed on the shaft-like structure 22, and in the retracted state, the first limiting structure 213 and the second limiting structure 221 cooperate to prevent the shaft-like structure 22 from rotating relative to the cylindrical structure 21, so as to enable the ladder stand 3 to be disposed horizontally.
In order to reduce the space occupied below the upper bed frame 1 in the collapsed state, as shown in fig. 1, the ladder 3 needs to be horizontally disposed, and in the collapsed state, the first stopper structure 213 and the second stopper structure 221 prevent the shaft-like structure 22 from rotating with respect to the tubular structure 21, so that the ladder 3 can be horizontally disposed, and in the extended state, the shaft-like structure 22 is pulled out from the tubular structure 21, the first stopper structure 213 and the second stopper structure 221 are separated, and the restriction on the shaft-like structure 22 is released, and the shaft-like structure 22 can rotate with respect to the tubular structure 21, and the ladder 3 can be rotated from the horizontal state to the inclined state.
That is, the first and second limiting structures 213 and 221 can limit the rotation of the shaft-like structure 22 relative to the cylindrical structure 21 only in the contracted state, and do not limit the rotation of the shaft-like structure 22 relative to the cylindrical structure 21 in the extended state.
Wherein, the first limit structure 213 may be configured as a groove formed on the inner wall of the cylindrical structure 21, correspondingly, the second limit structure 221 may be configured as a protrusion formed on the outer surface of the shaft-like structure 22, in the contracted state, the protrusion may be just located in the groove to prevent the shaft-like structure 22 from rotating relative to the cylindrical structure 21, in the extended state, the protrusion is separated from the groove, or, the first limit structure 213 may be configured as a square bayonet and disposed near the first end of the cylindrical structure 21, correspondingly, the second limit structure 221 may be configured as a square block and disposed near the first end of the shaft-like structure 22, in the contracted state, the square block may be just blocked in the square bayonet to prevent the shaft-like structure 22 from rotating relative to the cylindrical structure 21, in the extended state, the square bayonet is separated from the square block, and so on, such adjustment and change of the specific structural forms of the first limit structure 213 and the second limit structure 221 are not biased The principle and scope of the invention should be limited only by the scope of the invention.
In practical applications, the first limit structure 213 and the second limit structure 221 may be omitted, and in order to horizontally set the ladder 3 in the collapsed state, a latch member may be provided on the upper-stage frame 1 at a position opposite to the other end of the ladder 3, and the other end of the ladder 3 may be latched to the upper-stage frame 1 by the latch member, but it is preferable to horizontally set the ladder 3 in the collapsed state by providing the first limit structure 213 and the second limit structure 221.
With continued reference to fig. 4 to 7, the first limiting structure 213 is a limiting sliding groove formed on the inner wall of the tubular structure 21 and extending along the length direction of the tubular structure 21, and the second limiting structure 221 is a limiting protrusion formed on the outer surface of the shaft-like structure 22, and in the contracted state, the limiting protrusion is located in the limiting sliding groove, so that the shaft-like structure 22 can be prevented from rotating relative to the tubular structure 21, and the limiting sliding groove allows the limiting protrusion to freely slide in the limiting sliding groove along the length direction of the limiting sliding groove.
In the contraction state, the limit protrusion is positioned in the limit sliding groove, the shaft-shaped structure 22 can be prevented from rotating relative to the cylindrical structure 21, thereby the ladder stand 3 is horizontally arranged, when the user needs to get on or off the bed, the ladder stand 3 is pulled outwards, the limit bulge can slide along the limit chute, namely, the limiting protrusion and the limiting sliding groove can not limit the axial structure 22 to move relative to the cylindrical structure 21 along the axial direction, and along with the outward movement of the axial structure 22, the limiting protrusion is separated from the limiting sliding groove, when the ladder stand 3 needs to be folded up, the ladder stand 3 is firstly rotated to be in a horizontal state, then the ladder 3 is pushed inwards, and as the shaft-shaped structure 22 moves inwards, the limit bulge slides into the limit sliding groove again, in the collapsed state, the rotation of the shaft-like structure 22 relative to the cylindrical structure 21 is restricted so that the ladder 3 is horizontally disposed.
Preferably, the number of the limiting sliding grooves is multiple and is distributed along the circumferential direction of the cylindrical structure 21, the number of the limiting protrusions is multiple and is distributed along the circumferential direction of the shaft-shaped structure 22, and in the contracted state, the limiting protrusions are located in the corresponding limiting sliding grooves.
Illustratively, the number of the limiting chutes and the limiting protrusions is four, and the limiting chutes and the limiting protrusions are uniformly distributed on the inner wall of the cylindrical structure 21 and the outer surface of the shaft-like structure 22, respectively, that is, the cylindrical structure 21 is similar to a spline housing, and the shaft-like structure 22 is similar to a spline shaft.
It should be noted that the number of the limiting sliding grooves and the limiting protrusions is not limited to four, and for example, two, three, or five limiting sliding grooves and limiting protrusions may be provided. Such adjustment and change of the specific number of the limiting sliding grooves and the limiting protrusions are not deviated from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
Referring next to fig. 8 and 9, wherein fig. 8 is a front view of the cushioning and limiting member of the present invention; fig. 9 is a structural schematic view of the torsion spring of the present invention.
As shown in fig. 5, 6, 8 and 9, the connecting assembly 2 of the present invention further includes a torsion spring 26 and a buffering limiting member 23, wherein the torsion spring 26 is disposed in the cylindrical structure 21, and the buffering limiting member 23 is disposed on the shaft-like structure 22; wherein the torsion spring 26 is engaged with the buffering and limiting member 23 to prevent the shaft-like structure 22 from being removed from the cylindrical structure 21, and the free end 262 of the torsion spring 26 is connected with the buffering and limiting member 23 in the extended state to buffer when the ladder stand 3 rotates downward.
Illustratively, the torsion spring 26 includes a fixed end 261 and a free end 262, both the fixed end 261 and the free end 262 are protruded column-shaped structures, a clipping groove 214 is formed on the inner wall of the tube-shaped structure 21, the fixed end 261 of the torsion spring 26 is clipped in the clipping groove 214, the buffering limiting member 23 is disposed near the second end of the shaft-shaped structure 22, a hole-shaped structure 231 is formed on the buffering limiting member 23, in the extended state, the fixed end 261 of the torsion spring 26 is just inserted into the hole-shaped structure 231 formed on the buffering limiting member 23, under the block of the torsion spring 26, the shaft-shaped structure 22 can be limited from sliding outwards to prevent the shaft-shaped structure 22 from coming off the tube-shaped structure 21, furthermore, when the shaft-shaped structure 22 rotates, the free end 262 of the torsion spring 26 rotates along with the buffering limiting member 23, the torsion spring 26 provides an acting force to limit the rotation of the shaft-shaped structure 22 to reduce the rotation speed of the shaft-shaped structure 22, therefore, the downward rotating speed of the ladder stand 3 is effectively reduced, and the rotation of the ladder stand 3 is buffered.
It should be noted that the free end 262 of the torsion spring 26 may be a bayonet structure, and correspondingly, a protrusion structure may be disposed on the buffering limiting member 23, and in the extended state, the protrusion structure may be just located in the bayonet structure to connect the torsion spring 26 and the buffering limiting member 23, and such flexible adjustment and change should be limited within the protection scope of the present invention without departing from the principle and scope of the present invention.
In addition, it should be noted that the buffering limiting member 23 can be configured as a limiting block or a limiting ring, etc., and such modifications and changes to the specific structural form of the buffering limiting member 23 do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
Preferably, as shown in fig. 6 and 8, the buffering and limiting member 23 is a ring-shaped structure, and is sleeved on the shaft-shaped structure 22, and the outer diameter of the ring-shaped structure is matched with the inner diameter of the cylindrical structure 21. Illustratively, the bump stopper 23 is a ring nut, an inner ring wall of the ring nut is formed with an inner thread, an outer surface of the shaft 22 is formed with an outer thread, the inner thread is matched with the outer thread, and the ring nut is screwed with the shaft 22, or alternatively, the ring nut can be fixedly connected with the shaft 22 by a pin.
With continuing reference to fig. 6 and 7 and with continuing reference to fig. 10, fig. 10 is a schematic structural view of the resilient limiting pin of the present invention.
As shown in fig. 6, 7 and 10, the connecting assembly 2 of the present invention further includes an elastic stopper pin 24, the elastic stopper pin 24 is disposed on the shaft-like structure 22, the cylindrical structure 21 is provided with a stopper hole 212, and in the contracted state, the elastic stopper pin 24 is located in the stopper hole 212, so as to prevent the shaft-like structure 22 from moving relative to the cylindrical structure 21.
Illustratively, the shaft-like structure 22 is formed with a receiving space 223 at a position near the first end thereof, the elastic limit pin 24 is located in the receiving space 223, the elastic limit pin 24 includes an approximately U-shaped elastic plate 241 and a detent 242 provided at one end of the elastic plate 241, the other end of the elastic plate 241 is fixed in the receiving space 223, and the shaft-like structure 22 is formed with a through hole at a position corresponding to the detent 242 so that one end of the detent 242 can protrude.
In the contracted state, the click pin 242 is positioned in the stopper hole 212 formed in the tubular structure 21, and the movement of the shaft-like structure 22 relative to the tubular structure 21 can be prevented, so that the ladder stand 3 can be prevented from moving automatically, and safety is improved, and when the user needs to get on or off the bed, the elastic plate 241 can be deformed to allow the click pin 242 to come out of the stopper hole 212.
Preferably, as shown in fig. 6, the connection assembly 2 of the present invention further includes a pushing member 25, one end of the pushing member 25 is close to the first end of the shaft-like structure 22, and the other end of the pushing member 25 abuts against the elastic plate 241 of the elastic limit pin 24, so as to disengage the detent 242 of the elastic limit pin 24 from the limit hole 212.
When the patient needs to get on or off the bed, the pushing member 25 is pushed inwards to move, so that the pushing member 25 applies pressure to the elastic plate 241 to deform the elastic plate 241 of the elastic limiting pin 24, and the bayonet 242 of the elastic limiting pin 24 is disengaged from the limiting hole 212.
Wherein, the pushing member 25 can be set as a push rod, one end of which directly abuts against the elastic limit pin 24; alternatively, the pushing member 25 may be provided as a combined structure of a push rod and a stopper.
Preferably, as shown in fig. 6, the pushing member 25 includes a first disk 252, a second disk 253 and a connecting shaft 251, two ends of the connecting shaft 251 are respectively connected to the first disk 252 and the second disk 253, the first disk 252 is close to the first end of the shaft-like structure 22, the bottom surface of the second disk 253 is lower than the elastic plate 241 of the elastic limit pin 24, and the top surface of the second disk 253 is attached to the inner wall of the accommodating space 223, when going to bed or getting out of bed, the first disk 252 is pushed inwards to drive the second disk 253 to move inwards, and as the second disk 253 moves inwards, the elastic plate 241 deforms downwards, so that the bayonet 242 is released from the limit hole 212.
Preferably, as shown in fig. 4 and 5, a chamfer structure 211 is provided at the entrance of the cylindrical structure 21 so that the elastic stopper pin 24 can smoothly slide into the cylindrical structure 21. When the ladder stand 3 is folded, when the elastic limit pin 24 moves to the entrance of the tubular structure 21 along with the shaft-shaped structure 22, the elastic limit pin 24 abuts against the inclined surface of the chamfer structure 211, the elastic limit pin 24 stretches under the extrusion action of the inclined surface, so that the elastic limit pin can smoothly slide into the tubular structure 21, and when the elastic limit pin 24 slides to the position of the limit hole 212, the elastic limit pin 24 automatically pops into the limit hole 212.
Preferably, as shown in fig. 6, a blocking member 222 is further provided on the shaft-like structure 22, and the blocking member 222 can block the open end of the accommodating space 223. The blocking member 222 is preferably made of an elastic rubber material so as to facilitate the pushing member 25 to move.
With continuing reference to figures 1 and 2 and with continuing reference to figure 3, figure 3 is a schematic illustration of the ladder of the present invention.
As shown in fig. 1 to 3, the bunk bed of the present invention further includes handrails 6, the handrails 6 are connected to the ladder stand 3, and the handrails 6 are positioned at one side of the upper-layer bedstead 1 in a contracted state.
Illustratively, the ladder stand 3 includes a first fixing rod 31, a second fixing rod 32 and a connecting plate 33, the first fixing rod 31 and the second fixing rod 32 are oppositely arranged at left and right sides, the number of the connecting plates 33 is multiple, the connecting plates 33 are installed between the first fixing rod 31 and the second fixing rod 32 to form a structure for getting on and off the bed, the handrail 6 is fixedly connected with the first fixing rod 31, when the user gets on or off the bed in a mountain, the handrail 6 can be held on the bed in an up and down state to improve safety, when the user is in a retracted state, as shown in fig. 1, the handrail 6 is located on one side of the upper-layer bed frame 1 to form a guardrail structure, and the first fixing rod 31, the second fixing rod 32 and the connecting plate 33 are all located below the upper-layer bed frame 1.
The first fixing rod 31 has one end fixed to the shaft-like structure 22, for example, by a connecting pin, and the second fixing rod 32 has one end connected to the shaft-like structure 22 in a snap-fit manner, for example, the second fixing rod 32 includes a main body 321 and a snap-fit portion 322, one end of the snap-fit portion 322 is rotatably connected to the main body 321, the other end of the snap-fit portion 322 is formed with a snap groove 3221, when the second fixing rod is extended, the snap groove 3221 of the snap-fit portion 322 is snapped onto the shaft-like structure 22, and when the ladder stand 3 is retracted, the snap-fit portion 322 is rotated to separate the snap-fit portion 322 from the shaft-like structure 22, so that the shaft-like structure 22 can be smoothly inserted into the shaft-like structure 21.
It should be noted that, in the extended state, the second fixing rod 32 may not be engaged with the shaft-like structure 22, for example, a support member may be provided on the column of the bed, and in the extended state, one end of the second fixing rod 32 is overlapped with the support member, or a snap ring may be provided at one end of the second fixing rod 32, and the snap ring is sleeved on the cylindrical structure 21 and can slide along the length direction of the cylindrical structure 21, and the like, and such flexible adjustment and change should not deviate from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
Referring next to fig. 11, fig. 11 is a schematic view illustrating a combined state of the clip, the return steel, the fixing member, and the rectangular beam according to the present invention.
As shown in fig. 11, the connection assembly 2 of the present invention further includes a clamp 4 and a square-shaped steel 5, a groove is formed in the middle of the clamp 4, the shape of the groove is adapted to the tubular structure 21, two ends of the clamp 4 are respectively fixed to the bottom surface of the square-shaped steel 5, exemplarily, two ends of the clamp 4 are respectively provided with a fixing hole 41, meanwhile, a threaded hole 51 is provided at a corresponding position of the square-shaped steel 5, the clamp 4 and the square-shaped steel 5 are fixedly connected by a fastener such as a screw, the upper-layer bed frame 1 has a rectangular beam 11, the square-shaped steel 5 is sleeved on the rectangular beam 11, and the fixing member is clamped to the rectangular beam 11 by the clamp 4 and the square-shaped steel 5. Wherein, the number of the steel 5 is two, and the two steel are respectively connected with the two ends of the hoop 4. Of course, the steel return 5 may be provided in a full length configuration.
Preferably, as shown in fig. 4, 5 and 11, the cylindrical structure 21 includes a flat cylindrical section 21A and a cylindrical section 21B, and the flat cylindrical section 21A is clamped to the rectangular beam 11 by the clamp 4 and the steel return 5.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The utility model provides a bunk beds that cat ladder can be retrieved, includes upper bedstead, its characterized in that, bunk beds still includes:
a connecting assembly connected with the upper bed frame; and
the crawling ladder is connected with the connecting component at one end;
wherein the connecting assembly is arranged to enable the ladder to be fixed below the upper bed when the connecting assembly is in a contracted state, and to enable the ladder to extend out of the lower part of the upper bed and to be arranged obliquely downwards along one end of the ladder towards the other end when the connecting assembly is in an extended state.
2. The bunk bed of claim 1, wherein the connection assembly includes:
a fixing member connected to the upper bed; and
a movable member connected to the fixed member, one end of the ladder being connected to a first end of the movable member;
wherein the movable member is movable relative to the fixed member along a length direction of the movable member to enable the connection assembly to switch between a retracted state and an extended state, and
the movable member is rotatable relative to the fixed member in a circumferential direction of the movable member so that the ladder stand is rotatable downward about an end of the ladder stand connected to the movable member as an axis in an extended state, and the ladder stand is disposed obliquely downward in a direction from one end of the ladder stand toward the other end.
3. The bunk bed of claim 2 wherein the fixed member is provided with a first stop formation and the movable member is provided with a second stop formation, the first stop formation cooperating with the second stop formation in the retracted state to prevent rotation of the movable member relative to the fixed member so as to allow the ladder to be horizontally disposed.
4. The bunk bed of claim 3, wherein the fixed member is a cylindrical structure, the movable member is a shaft-like structure, the first limiting structure is a limiting runner formed on an inner wall of the cylindrical structure extending in a length direction of the cylindrical structure, the second limiting structure is a limiting protrusion formed on an outer surface of the shaft-like structure, the limiting protrusion is located within the limiting runner in a contracted state so as to be able to prevent the shaft-like structure from rotating relative to the cylindrical structure, and the limiting runner allows the limiting protrusion to freely slide within the limiting runner in the length direction of the limiting runner.
5. The bunk bed of claim 2, wherein the connection assembly further comprises:
a torsion spring provided on the fixing member; and
a cushioning stopper member provided on the movable member;
wherein the torsion spring is matched with the buffering limiting component, can prevent the movable component from falling off from the fixed component, and
when the ladder stand is in an extension state, the free end of the torsion spring is connected with the buffering limiting component so as to buffer when the ladder stand rotates downwards.
6. The bunk bed of claim 5, wherein the fixed member is a cylindrical structure, the movable member is a shaft-like structure, the torsion spring is located in the cylindrical structure, the buffer limiting member is an annular structure, the annular structure is sleeved on the shaft-like structure, and the outer diameter of the annular structure is matched with the inner diameter of the cylindrical structure.
7. The bunk bed of claim 2, wherein the coupling assembly further includes a resilient limit pin disposed on the movable member and a limit hole disposed on the fixed member, the resilient limit pin being located in the limit hole in the retracted state to prevent movement of the movable member relative to the fixed member.
8. The bunk bed of claim 7, wherein the movable member is formed with a receiving space near the first end thereof, the resilient limiting pin being located in the receiving space, the coupling assembly further comprising a pushing member, one end of the pushing member being near the first end of the movable member, the other end of the pushing member abutting against the resilient limiting pin so as to disengage the resilient limiting pin from the limiting hole.
9. The bunk bed of claim 1 further comprising a handrail, the handrail being connected to the ladder, the handrail being located on one side of the upper bed frame in the collapsed condition.
10. The bunk bed of any one of claims 2 to 9, wherein the connecting assembly further comprises a clip and a steel clip, the clip and the steel clip are fixedly connected by a fastener, the steel clip is arranged on a rectangular beam of the upper bed frame, and the fixing member is clamped on the rectangular beam by the clip and the steel clip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509649.2A CN114568869A (en) | 2021-12-10 | 2021-12-10 | Double-layer bed with retractable ladder stand |
| PCT/CN2022/076402 WO2023103177A1 (en) | 2021-12-10 | 2022-02-16 | Bunk bed having retractable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509649.2A CN114568869A (en) | 2021-12-10 | 2021-12-10 | Double-layer bed with retractable ladder stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114568869A true CN114568869A (en) | 2022-06-03 |
Family
ID=81768913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111509649.2A Pending CN114568869A (en) | 2021-12-10 | 2021-12-10 | Double-layer bed with retractable ladder stand |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114568869A (en) |
| WO (1) | WO2023103177A1 (en) |
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| EP1749965A2 (en) * | 2005-08-01 | 2007-02-07 | Iveco S.p.A. | A ladder that can be extracted from an upper bed in a drivers's cab, especially the cab of an industrial or commercial vehicle, and a driver's cab equipped with said extractable ladder |
| EP1842721A2 (en) * | 2006-04-07 | 2007-10-10 | Hymer AG | Bunk bed ladder for vehicles |
| EP1842720A2 (en) * | 2006-04-07 | 2007-10-10 | Hymer AG | Bunk bed ladder for vehicles |
| CN204299457U (en) * | 2014-11-13 | 2015-04-29 | 刘欢 | Bunk beds extension ladder |
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| CN113229671A (en) * | 2021-04-21 | 2021-08-10 | 海尔衣联生态科技(上海)有限公司 | Bunk bed |
| CN214905336U (en) * | 2021-03-12 | 2021-11-30 | 仰恩大学 | Dual-purpose cat ladder of dormitory |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202234176U (en) * | 2011-08-24 | 2012-05-30 | 上海大学 | Telescopic movable ladder for bunk bed |
| CN102960980A (en) * | 2012-12-07 | 2013-03-13 | 周利栋 | Double-layer bed |
| CN104706081A (en) * | 2013-12-13 | 2015-06-17 | 董沐松 | Convenient bunk bed |
| CN206119763U (en) * | 2017-01-17 | 2017-04-26 | 广东连盈家具有限公司 | Foldable cat ladder of bunk beds |
| 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 |
| CN209003320U (en) * | 2018-04-04 | 2019-06-21 | 厦门精恒展示制品制造有限公司 | A kind of improvement structure of iron bedstand ladder |
-
2021
- 2021-12-10 CN CN202111509649.2A patent/CN114568869A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0630827A (en) * | 1992-07-10 | 1994-02-08 | Sanwa Shutter Corp | Climbing ladder for two stage bed |
| EP1749965A2 (en) * | 2005-08-01 | 2007-02-07 | Iveco S.p.A. | A ladder that can be extracted from an upper bed in a drivers's cab, especially the cab of an industrial or commercial vehicle, and a driver's cab equipped with said extractable ladder |
| EP1842721A2 (en) * | 2006-04-07 | 2007-10-10 | Hymer AG | Bunk bed ladder for vehicles |
| EP1842720A2 (en) * | 2006-04-07 | 2007-10-10 | Hymer AG | Bunk bed ladder for vehicles |
| CN204299457U (en) * | 2014-11-13 | 2015-04-29 | 刘欢 | Bunk beds extension ladder |
| CN209025595U (en) * | 2018-07-10 | 2019-06-25 | 任伊宁 | It a kind of ladder and goes to bed |
| CN211065839U (en) * | 2019-12-11 | 2020-07-24 | 江西美达文体器材有限公司 | Side ladder cassette apartment bed convenient to accomodate ladder |
| CN212066276U (en) * | 2020-05-04 | 2020-12-04 | 江西宏达保安器材有限公司 | Multifunctional student apartment bed |
| CN214905336U (en) * | 2021-03-12 | 2021-11-30 | 仰恩大学 | Dual-purpose cat ladder of dormitory |
| CN113229671A (en) * | 2021-04-21 | 2021-08-10 | 海尔衣联生态科技(上海)有限公司 | Bunk bed |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023103177A1 (en) | 2023-06-15 |
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