CN111904198A - Dual-purpose ladder - Google Patents

Dual-purpose ladder Download PDF

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Publication number
CN111904198A
CN111904198A CN202010828412.XA CN202010828412A CN111904198A CN 111904198 A CN111904198 A CN 111904198A CN 202010828412 A CN202010828412 A CN 202010828412A CN 111904198 A CN111904198 A CN 111904198A
Authority
CN
China
Prior art keywords
inner cavity
sliding
matching
plate
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010828412.XA
Other languages
Chinese (zh)
Inventor
吕国喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Guangxia Construction Vocational and Technical University
Original Assignee
Zhejiang Guangxia Construction Vocational and Technical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Guangxia Construction Vocational and Technical University filed Critical Zhejiang Guangxia Construction Vocational and Technical University
Priority to CN202010828412.XA priority Critical patent/CN111904198A/en
Publication of CN111904198A publication Critical patent/CN111904198A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/86Parts 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
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/005Ladders in use as furniture or ladders in relation to furniture, e.g. in cupboards
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/34Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/36Ladders suspendable by hooks or the like
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383Foldable ladders in which the longitudinal members are brought together on folding
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts

Abstract

The invention discloses a dual-purpose ladder, which comprises support plates which are arranged in bilateral symmetry, wherein a plurality of spacing cavities are arranged in the support plates, a side inner cavity is arranged at one side of the supporting plate, a swinging plate is rotationally arranged in the side inner cavity, a rotating locking device which can lock and fix the swinging plate in a vertical and horizontal state is arranged between the swinging plate and the side inner cavity, the lower side of the side inner cavity is provided with a supporting and adjusting device which can be used for supporting the supporting plate, the lower sides of the supporting plates at two sides are provided with a sliding and stretching device which is used for adjusting the sliding and stretching between the supporting plates, the equipment of the invention has simple structure, the equipment adopts the design that the ladder and the bed are integrated, can make personnel normal use as ladder and bed after equipment changes to equipment is inside to have the adjustment foot formula structure, make the ladder be convenient for hang the function of leaning on and the bed is high-efficient to be placed.

Description

Dual-purpose ladder
Technical Field
The invention relates to the technical field of ladder equipment, in particular to a dual-purpose ladder.
Background
Most ladders in the prior art only perform the basic function of a ladder for a person to climb up to reach a higher position, and the prior art ladders do not form a bed-type structure using the ladder to be used as a bed for the person when the ladder is not needed to be used, moreover, the folding mode of the prior ladder is too single, so that the whole floor area and the unfolding length of the ladder can not meet the normal daily requirement, the floor area of the ladder is larger after being folded, the unfolding length is also very short, so that the equipment can not be used efficiently, and the existing ladder equipment is less provided with a rotary foot structure which can swing for the efficient suspension of the ladder, due to the defects, the equipment cannot be efficiently used by personnel, and the use reliability of the chair is reduced.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a dual-purpose ladder, which can solve the above-mentioned problems in the prior art.
The invention is realized by the following technical scheme: the dual-purpose ladder comprises support plates which are bilaterally and symmetrically arranged, a plurality of spacing cavities are arranged in the support plates, a side inner cavity is arranged on one side of each support plate, a swinging plate is arranged in the side inner cavity in a rotating mode, a rotating locking device capable of enabling the swinging plate to be locked and fixed in a vertical state and a horizontal state is arranged between the swinging plate and the side inner cavity, a supporting and adjusting device capable of supporting the support plates is arranged on the lower side of the side inner cavity, and sliding and stretching devices used for adjusting sliding and stretching between the support plates are arranged on the lower sides of the support plates on two sides.
According to the technical scheme, the rotation locking device comprises a lock hole arranged in the side inner cavity, the lock hole is respectively arranged at the horizontal position and the vertical position, an elastic telescopic assembly is arranged in the lock hole, and an elastic telescopic assembly matched with the elastic telescopic assembly in the lock hole is arranged in the swing plate to realize that the swing plate is fixedly locked in two positions to form a linkage extending assembly.
According to a further technical scheme, the elastic telescopic assembly comprises a push rod connected with the lock hole in a sliding fit mode, and a matched connecting spring is elastically arranged between the push rod and the end wall of the lock hole.
Further technical scheme, the linkage extension subassembly including set up in side recess in the swing inboard, side recess symmetry sets up, be provided with the inside chamber in the swing inboard, the gliding cooperation board that slides that is provided with of inside chamber, the cooperation board symmetry that slides sets up, cooperation board one side that slides has set firmly the lockhole, the gliding running through of lockhole inside chamber and swing board, the lockhole sets up with the ejector pin is relative, the inside chamber top has set firmly the cooperation motor, cooperation motor both sides power connection is provided with the power connecting rod, both sides the thread line of power connecting rod surface is rotated to opposite, the power connecting rod with cooperation board screw thread connection slides.
According to the technical scheme, the supporting and adjusting device comprises a bottom inner cavity communicated with the side inner cavity, a fixing rod is fixedly arranged between end walls of the bottom inner cavity, a swing rod is arranged in the bottom inner cavity, a rotating seat is arranged in the swing rod in a rotating mode, a penetrating containing cavity penetrating through the swing rod is arranged in the swing rod, the penetrating containing cavity is connected with the fixing rod in a rotating matching mode, and a side driving assembly driving the swing rod to rotate is arranged on one side of the end wall of the bottom inner cavity and one side of the penetrating containing cavity.
According to the technical scheme, the side driving assembly comprises a side driving matching motor fixed on the end wall of the inner cavity at the bottom, a power gear is arranged on one side of the side driving matching motor in a power connection mode, a fixed gear ring is fixedly arranged in the end wall of the penetration containing cavity and is of a gear ring structure, and the fixed gear ring is meshed with the power gear.
According to the technical scheme, the sliding telescopic device comprises fixed boxes fixed to the lower end face of the supporting plate and arranged symmetrically, middle boxes are arranged between the fixed boxes, a sliding component capable of enabling the middle boxes to slide left and right is arranged between the middle boxes and the fixed boxes, and a lifting component which is adjacent to the lifting component and can change in a lifting and telescopic mode is arranged in the middle boxes.
According to a further technical scheme, the sliding assembly comprises an internal driving motor, wherein the internal driving motor is arranged in the middle box body, symmetrical side matching gears are arranged on two sides of the middle box body, the side matching gears are in power connection with the internal driving motor, a bottom rack is fixedly arranged on the lower end wall of the opening sliding groove, and the bottom rack is meshed with the side matching gears.
According to the technical scheme, the lifting assembly comprises a base with a fixed end face under the fixed box body, a bottom matching motor is fixedly arranged in the base, a driving threaded rod is arranged on the upper side of the bottom matching motor in a power connection mode, an open-ended internal threaded hole is formed in the supporting plate and is connected with the driving threaded rod in a threaded matching mode.
The invention has the beneficial effects that:
the equipment has a simple structure, the ladder and the bed are designed into a whole, the equipment can be used as the ladder and the bed after being changed, so that personnel can normally use the equipment, and the equipment is internally provided with the adjusting foot type structure, so that the ladder is convenient to hang and the bed can be efficiently placed.
When the device, the assembly and the structure are in the working stop state in the initial state, the equipment can be switched back and forth between the ladder state and the bed state, and the swinging rod can be used as a supporting leg of the bed or a suspension rod for placing and suspending a chair, so that the equipment can be used for climbing a person conveniently in the ladder state and used for lying the person conveniently in the bed state.
When the equipment is in a bed state and the height of the supporting plate is required to be adjusted, the side drive is matched with the motor to work and then drives the power gear to rotate, the fixed gear ring drives the swing rod to turn over after the power gear rotates, and therefore the swing rod indirectly enables the height between the rotating seat and the supporting plate to be changed in a lifting mode after swinging.
When the bed state is switched to the ladder state by the equipment, the power connecting rod is driven to rotate after the matching motor works, the power connecting rod drives the sliding matching plate to slide in the inner cavity after rotating, so that the sliding matching plate drives the lock hole to push the push-out rod after sliding, the push-out rod is extended into the lock hole, the matching connection spring is in an extrusion state, and after the swinging plate is turned over, the swinging plate is turned to be at the same level with the supporting plate, the push-out rod at the corresponding position is abutted against the side groove and then extends into the swinging plate again to be opposite to the lock hole, and the swinging plate is clamped, at this time, the length of the ladder can be extended by utilizing the swinging plate, and the swinging rod can be erected to a place with a certain height and capable of being hung as a hanging structure of the ladder under the adjustment of the corresponding structure, so that the stability of the ladder is improved.
When equipment is in fold condition, both sides can fold each other between the backup pad and be convenient for place equipment, at this moment drive behind the work of bottom cooperation motor drive threaded rod rotates, makes drive threaded rod is in make behind the internal thread downthehole rotation of internal thread the backup pad moves down, afterwards drive behind the work of inside driving motor side cooperation gear revolve makes side cooperation gear is in after bottom rack one side meshing, make middle box for fixed box removes left, can be with adjacent the backup pad drives and removes one side the equipment of being convenient for of formation beta structure is saved under the backup pad.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the internal structure of the dual purpose ladder of the present invention;
FIG. 2 is a schematic view at A in FIG. 1;
FIG. 3 is a schematic view at B of FIG. 1;
FIG. 4 is a schematic view taken along the line C-C in FIG. 2;
FIG. 5 is a schematic view taken along the direction D-D in FIG. 1;
FIG. 6 is a schematic view of the direction E in FIG. 1;
in the figure, a fixed box body 11, a bottom rack 12, a rotating seat 15, a swing rod 16, a lock hole 17, a side inner cavity 18, a swing plate 19, a push rod 23, a support plate 24, a spacing cavity 25, an internal thread hole 31, a matching gear driving threaded rod 33, a bottom matching motor 34, a base 35, a middle box body 36, a fixed toothed ring 41, a bottom inner cavity 42, a side driving matching motor 43, a power gear 44, a penetrating cavity 45, a fixed rod 46, an internal driving motor 51, a side matching gear 52, an opening sliding chute 53, a matching motor 61, an internal cavity 62, a power connecting rod 63, a sliding matching plate 64, a side groove 65 and a matching connecting spring 66.
Detailed Description
As shown in fig. 1 to 6, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the dual-purpose ladder comprises a support plate 24 which is arranged in bilateral symmetry, a plurality of spacing cavities 25 are arranged in the support plate 24, a side inner cavity 18 is arranged on one side of the support plate 24, a swinging plate 19 is rotatably arranged in the side inner cavity 18, a rotation locking device which can lock and fix the swinging plate 19 in a vertical and horizontal state is arranged between the swinging plate 19 and the side inner cavity 18, a supporting and adjusting device which can be used for supporting the support plate 24 is arranged on the lower side of the side inner cavity 18, and a sliding and stretching device which is used for adjusting sliding and stretching between the support plates 24 is arranged on the lower side of the support plate 24 on two sides.
Advantageously, the rotation locking device includes a locking hole 17 disposed in the side inner cavity 18, the locking hole 17 is disposed at a horizontal position and a vertical position, respectively, an elastic telescopic assembly is disposed in the locking hole 17, and a linkage extending assembly for being cooperatively connected with the elastic telescopic assembly in the locking hole 17 is disposed in the swinging plate 19 to realize locking and fixing of the swinging plate 19 at two positions.
Advantageously, the elastic telescopic assembly comprises a push-out rod 23 in sliding fit connection with the lock hole 17, and a fit connection spring 66 is elastically arranged between the push-out rod 23 and the end wall of the lock hole 17.
Beneficially, wherein, the linkage extension assembly includes the side recess 65 that sets up in swing board 19, side recess 65 symmetry sets up, be provided with interior chamber 62 in the swing board 19, the gliding cooperation board 64 that slides that is provided with in interior chamber 62, cooperation board 64 symmetry sets up slides, cooperation board 64 one side that slides has set firmly lockhole 17, the gliding running through of lockhole 17 interior chamber 62 and swing board 19, lockhole 17 sets up with ejector rod 23 is relative, cooperation motor 61 has set firmly at interior chamber 62 top, cooperation motor 61 both sides power connection is provided with power connecting rod 63, both sides the thread line of power connecting rod 63 surface is rotated to opposite, power connecting rod 63 with cooperation board 64 screw thread is connected.
Beneficially, the supporting and adjusting device includes a bottom inner cavity 42 communicated with the side inner cavity 18, a fixing rod 46 is fixedly arranged between end walls of the bottom inner cavity 42, a swing rod 16 is arranged in the bottom inner cavity 42, a rotating seat 15 is rotatably arranged in the swing rod 16, a penetrating cavity 45 penetrating through the swing rod 16 is arranged in the swing rod 16, the penetrating cavity 45 is connected with the fixing rod 46 in a rotating fit manner, and a side driving assembly for driving the swing rod 16 to rotate is arranged on one side of the end wall of the bottom inner cavity 42 and one side of the penetrating cavity 45.
Advantageously, the side driving assembly comprises a side driving matching motor 43 fixed to the end wall of the bottom cavity 42, a power gear 44 is arranged on one side of the side driving matching motor 43 in a power connection mode, a fixed gear ring 41 is fixedly arranged in the end wall of the penetration cavity 45, the fixed gear ring 41 is of a gear ring structure, and the fixed gear ring 41 is arranged in a meshed mode with the power gear 44.
Beneficially, the sliding and telescoping device includes fixed boxes 11 fixed to the lower end faces of the supporting plates 24 on one side, the fixed boxes 11 are symmetrically arranged, an intermediate box 36 is arranged between the fixed boxes 11, a sliding component capable of enabling the intermediate box 36 to slide left and right is arranged between the intermediate box 36 and the fixed boxes 11, and a lifting component capable of changing the lifting and telescoping of the adjacent supporting plates 24 is arranged in the intermediate box 36.
Advantageously, the sliding assembly comprises an internal driving motor 51 belonging to the intermediate box 36, symmetrical side engaging gears 52 are arranged on two sides of the intermediate box 36, the side engaging gears 52 are in power connection with the internal driving motor 51, a bottom rack 12 is fixedly arranged on the lower end wall of the open chute 53, and the bottom rack 12 is in meshing arrangement with the side engaging gears 52.
Advantageously, the lifting assembly comprises a base 35 fixed to the lower end face of the fixed box 11, a bottom matching motor 34 is fixed in the base 35, a driving threaded rod 33 is arranged on the upper side of the bottom matching motor 34 in a power connection manner, an open internal threaded hole 31 is arranged in the supporting plate 24 on the upper side of the driving threaded rod 33, and the internal threaded hole 31 is in a threaded matching connection with the driving threaded rod 33.
In the initial state, the device, the assembly and the structure are in the working stop state, the equipment can be switched back and forth between the ladder state and the bed state, and the swinging rod 16 can be used as a supporting leg of the bed or a hanging rod for placing and hanging a chair, so that the equipment can be conveniently used by climbing personnel in the ladder state and lying personnel in the bed state.
When the equipment is in a bed state and the height of the supporting plate 24 supported by the swing rod 16 needs to be adjusted, the side drive is matched with the motor 43 to work and then drive the power gear 44 to rotate, the fixed gear ring 41 drives the swing rod 16 to turn over after the power gear 44 rotates, and therefore after the swing rod 16 swings, the height between the rotating seat 15 and the supporting plate 24 is indirectly changed in a lifting mode.
When the equipment switches the bed state into the ladder state, the matching motor 61 drives the power connecting rod 63 to rotate after working, the power connecting rod 63 drives the sliding matching plate 64 to slide in the inner cavity 62 after rotating, so that the sliding matching plate 64 drives the lock hole 17 to push the push rod 23 after sliding, the push rod 23 extends into the lock hole 17, the matching connecting spring 66 is in a squeezing state, the swinging plate 19 is turned over, the swinging plate 19 is turned to be flush with the support plate 24, the push rod 23 at the corresponding position is abutted against the side groove 65 and then extends into the swinging plate 19 again to be opposite to the swinging plate 17, and the swinging plate 19 is clamped, at the moment, the length of the ladder can be prolonged by using the swinging plate 19, and the swinging rod 16 can be erected to a certain height to be suspended as a suspension of the ladder under the adjustment of the corresponding structure The structure is convenient for improving the stability of the ladder.
When equipment is in fold condition, both sides can fold each other between the backup pad 24 and be convenient for place equipment, at this moment bottom cooperation motor 34 drive after working drive threaded rod 33 rotates, makes drive threaded rod 33 is in make after the internal thread downthehole 31 internal rotation backup pad 24 lapse, afterwards drive after inside driving motor 51 works side cooperation gear 52 rotates, makes side cooperation gear 52 is in bottom rack 12 one side meshing back makes middle box 36 for fixed box 11 moves left, can be with adjacent backup pad 24 drives and moves to one side below formation beta structure equipment of being convenient for is saved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (5)

1. The dual-purpose ladder comprises support plates which are arranged in a bilateral symmetry mode, a plurality of spacing cavities are arranged in the support plates, a side inner cavity is arranged on one side of each support plate, a swing plate is arranged in the side inner cavity in a rotating mode, a rotating locking device capable of enabling the swing plate to be locked and fixed in a vertical and horizontal state is arranged between the swing plate and the side inner cavity, a supporting and adjusting device capable of supporting the support plates is arranged on the lower side of the side inner cavity, and sliding and stretching devices used for adjusting sliding and stretching between the support plates are arranged on the lower sides of the support plates on two sides; the rotating locking device comprises a locking hole arranged in the side inner cavity, the locking hole is respectively arranged at the horizontal position and the vertical position, an elastic telescopic component is arranged in the locking hole, and a linkage extending component which is matched and connected with the elastic telescopic component in the locking hole to realize locking and fixing of the swinging plate at two positions is arranged in the swinging plate; the linkage extension assembly comprises side grooves arranged in the swing plate, the side grooves are symmetrically arranged, an inner cavity is arranged in the swing plate, a sliding matching plate is arranged in the inner cavity in a sliding mode, the sliding matching plate is symmetrically arranged, a lock hole is fixedly formed in one side of the sliding matching plate, the lock hole penetrates through the inner cavity and the swing plate in a sliding mode, the lock hole and the push-out rod are arranged oppositely, a matching motor is fixedly arranged at the top of the inner cavity, power connecting rods are arranged on two sides of the matching motor in a power connection mode, thread lines on the outer surfaces of the power connecting rods on the two sides are opposite in rotating direction, and the power connecting rods are in threaded matching connection with the sliding matching plate; the supporting and adjusting device comprises a bottom inner cavity communicated with the side inner cavity, a fixed rod is fixedly arranged between the end walls of the bottom inner cavity, a swing rod is arranged in the bottom inner cavity, a rotating seat is rotatably arranged in the swing rod, a penetrating cavity is arranged in the swing rod and penetrates through the swing rod, the penetrating cavity is in rotating fit connection with the fixed rod, and a side driving assembly for driving the swing rod to rotate is arranged on one side of the end wall of the bottom inner cavity and one side of the penetrating cavity; the side drive assembly comprises a side drive matching motor fixed on the end wall of the inner cavity at the bottom, a power gear is arranged on one side of the side drive matching motor in a power connection mode, a fixed gear ring is fixedly arranged in the end wall of the penetration containing cavity and is of a gear ring structure, and the fixed gear ring is meshed with the power gear.
2. The dual purpose ladder of claim 1, wherein: the elastic telescopic assembly comprises a push rod connected with the lock hole in a sliding fit mode, and a matched connecting spring is elastically arranged between the push rod and the end wall of the lock hole.
3. The dual purpose ladder of claim 1, wherein: the sliding and telescoping device comprises a fixed box body fixed on the lower end face of the supporting plate and arranged symmetrically, a middle box body is arranged between the fixed box bodies, a sliding component capable of enabling the middle box body to slide left and right is arranged between the middle box body and the fixed box body, and a lifting component which is adjacent to the lifting component and can change in a lifting and telescoping manner is arranged in the middle box body.
4. The dual purpose ladder of claim 1, wherein: the sliding assembly comprises an internal driving motor in the middle box body, symmetrical side matching gears are arranged on two sides of the middle box body, the side matching gears are in power connection with the internal driving motor, a bottom rack is fixedly arranged on the lower end wall of the opening sliding groove, and the bottom rack is meshed with the side matching gears.
5. The dual purpose ladder of claim 4, wherein: the lifting assembly comprises a base fixed on the lower end face of the fixed box body, a bottom matching motor is fixedly arranged in the base, a driving threaded rod is arranged on the upper side of the bottom matching motor in a power connection mode, an open-ended internal threaded hole is formed in the supporting plate and is connected with the driving threaded rod in a threaded matching mode.
CN202010828412.XA 2020-08-13 2020-08-13 Dual-purpose ladder Withdrawn CN111904198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010828412.XA CN111904198A (en) 2020-08-13 2020-08-13 Dual-purpose ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010828412.XA CN111904198A (en) 2020-08-13 2020-08-13 Dual-purpose ladder

Publications (1)

Publication Number Publication Date
CN111904198A true CN111904198A (en) 2020-11-10

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ID=73278287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010828412.XA Withdrawn CN111904198A (en) 2020-08-13 2020-08-13 Dual-purpose ladder

Country Status (1)

Country Link
CN (1) CN111904198A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005014966A1 (en) * 2003-08-08 2005-02-17 Ze-Peng Zhou Flexible ladder with supporting accessory
CN201641172U (en) * 2009-10-16 2010-11-24 秦光勇 Multifunctional combined bed with life escape function
CN201934004U (en) * 2010-12-20 2011-08-17 新疆金风科技股份有限公司 Suspended telescopic ladder
CN104832079A (en) * 2015-04-30 2015-08-12 龙文凯 Vehicle-mounted multifunctional folding ladder
CN204552589U (en) * 2015-04-30 2015-08-12 龙文凯 Vehicle multifunction folding ladder
CN105735882A (en) * 2016-05-13 2016-07-06 苏州飞华铝制工业有限公司 Retractable folding hanging ladder
CN107191130A (en) * 2017-07-28 2017-09-22 江西电力职业技术学院 A kind of foldable hanging ladder device
CN206812896U (en) * 2017-03-13 2017-12-29 陕西通运重工有限公司 Flat car machinery pull-type foldable step mechanism
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
CN207144799U (en) * 2017-08-31 2018-03-27 安徽金佰装饰工程有限公司 A kind of moveable ladder
CN207583302U (en) * 2017-12-07 2018-07-06 董一彬 The detachable bed steps of adjustable cross bar height and spacing
CN108354360A (en) * 2018-01-26 2018-08-03 王正扬 A kind of indoor multi-purpose stand
CN207761569U (en) * 2018-01-06 2018-08-24 谢婉瑜 A kind of new type auto lifting bed steps
KR20190042933A (en) * 2017-10-17 2019-04-25 주식회사 선광 엠 파 A portable folding ladder
CN109944540A (en) * 2019-03-13 2019-06-28 中国人民解放军联勤保障部队第九二三医院 A kind of integral multifunctional ladder used for field medicine
CN110331930A (en) * 2019-07-15 2019-10-15 淄博一凡针织有限公司 A kind of ladder for indoor interlayer with storage function

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005014966A1 (en) * 2003-08-08 2005-02-17 Ze-Peng Zhou Flexible ladder with supporting accessory
CN201641172U (en) * 2009-10-16 2010-11-24 秦光勇 Multifunctional combined bed with life escape function
CN201934004U (en) * 2010-12-20 2011-08-17 新疆金风科技股份有限公司 Suspended telescopic ladder
CN104832079A (en) * 2015-04-30 2015-08-12 龙文凯 Vehicle-mounted multifunctional folding ladder
CN204552589U (en) * 2015-04-30 2015-08-12 龙文凯 Vehicle multifunction folding ladder
CN105735882A (en) * 2016-05-13 2016-07-06 苏州飞华铝制工业有限公司 Retractable folding hanging ladder
CN206812896U (en) * 2017-03-13 2017-12-29 陕西通运重工有限公司 Flat car machinery pull-type foldable step mechanism
CN107191130A (en) * 2017-07-28 2017-09-22 江西电力职业技术学院 A kind of foldable hanging ladder device
CN207144799U (en) * 2017-08-31 2018-03-27 安徽金佰装饰工程有限公司 A kind of moveable ladder
KR20190042933A (en) * 2017-10-17 2019-04-25 주식회사 선광 엠 파 A portable folding 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
CN207583302U (en) * 2017-12-07 2018-07-06 董一彬 The detachable bed steps of adjustable cross bar height and spacing
CN207761569U (en) * 2018-01-06 2018-08-24 谢婉瑜 A kind of new type auto lifting bed steps
CN108354360A (en) * 2018-01-26 2018-08-03 王正扬 A kind of indoor multi-purpose stand
CN109944540A (en) * 2019-03-13 2019-06-28 中国人民解放军联勤保障部队第九二三医院 A kind of integral multifunctional ladder used for field medicine
CN110331930A (en) * 2019-07-15 2019-10-15 淄博一凡针织有限公司 A kind of ladder for indoor interlayer with storage function

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Application publication date: 20201110