CN105756547A - Folding ladder capable of being transversely stored - Google Patents
Folding ladder capable of being transversely stored Download PDFInfo
- Publication number
- CN105756547A CN105756547A CN201610206326.9A CN201610206326A CN105756547A CN 105756547 A CN105756547 A CN 105756547A CN 201610206326 A CN201610206326 A CN 201610206326A CN 105756547 A CN105756547 A CN 105756547A
- Authority
- CN
- China
- Prior art keywords
- crossbeam
- longeron
- ladder
- folding ladder
- short
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
- E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Abstract
The invention discloses a folding ladder capable of being transversely stored.The defect that in the prior art, storage and carrying are inconvenient is overcome.The folding ladder capable of being transversely stored comprises short ladders hinged in sequence.Each short ladder comprises longitudinal beams and cross beams.The cross beams are arranged between the longitudinal beams.The folding ladder is characterized in that cross beam holes allowing the cross beams to penetrate an connecting parts hinged to the cross beams are arranged on the longitudinal beams, one end of each cross beam of each short ladder is hinged to the corresponding connecting part of one longitudinal beam of the short ladder, and the other end of each cross beam of each short ladder penetrates through the corresponding cross beam hole in the other longitudinal beam of the short ladder.According to the technical scheme, the problems in the prior art can be solved well.
Description
Technical field
The invention belongs to folding ladder technical field, be specifically related to a kind of folding ladder that can laterally receive.
Background technology
Folding ladder is a kind of people common tools in order to ascend a height, and folding ladder maximum compared with monoblock type vertical ladder be advantageous in that be easy to carry and receive.Now folding ladder on the market is commonly the structure of longitudinally storage, carries out receiving and carrying after shortening by the height of folding ladder itself.Although such folding ladder can change the height that ladder is actual in the vertical on the market now, it is possible to play certain storage and effect easy to carry.But, owing to structure can only longitudinally be received, without the problem considering laterally storage, therefore, however it remains certain storage inconvenience and problem inconvenient to carry of going out.
Summary of the invention
Present invention aim to overcome that the defect of prior art, it is provided that a kind of folding ladder that can laterally receive, have laterally, all foldable advantage in longitudinal direction so that receive and carry and be quite convenient to.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of folding ladder that can laterally receive, including hinged short ladder successively, described short ladder includes longitudinal and cross beam, described crossbeam is arranged between longeron, it is characterized in that, being provided with mean for the connecting portion chain connection of the crossbeam hole of crossbeam traverse and connecting portion hinged with crossbeam, one end of crossbeam and a longeron on described longeron, the other end is through the crossbeam hole on another longeron.
Further, also include connector, the connecting portion of described longeron by connector and crossbeam chain connection, the joint arm that the socket joint that described connector includes being arranged on longeron is connected with crossbeam；Described joint arm and socket joint chain connection, be provided with retainer between described joint arm and socket joint so that can angle between fixing joint arm and socket joint.
Further, described crossbeam also includes the crossbeam fixture that is arranged on crossbeam so that can be fixed on longeron by crossbeam by crossbeam fixture, it is impossible to movable.
Further, described longeron also includes the reinforcement that is arranged on crossbeam hole surrounding in order to strengthen longeron intensity.
Further, the short ladder being positioned at outermost both sides is provided with bearing, and described bearing includes two hinged supports, and one support is arranged on longeron, and said two support is removably connected with latch jointly.
Specifically, the short ladder bottom being positioned at outermost both sides is provided with rubber blanket.
Specifically, described joint arm presses with crossbeam and is connected.
Specifically, latch that the spring that described retainer includes being provided with in socket joint is connected with spring, the blind hole being arranged on joint arm, the structure of described blind hole and latch just can make latch insert in blind hole when making joint arm must be positioned at specific position.
More specifically, described support is C-type steel support.
The present invention compared with prior art, has following beneficial effect:
The structure of the present invention makes it possible to achieve the function of laterally storage, compared with prior art so that receive and carry enhanced convenience.
The present invention is remarkably productive, is worth large-scale promotion to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the explosive view of connector.
Fig. 3 is the structural representation of connector.
Fig. 4 is the structural representation of crossbeam fixture.
Fig. 5 is the structural representation of bearing.
Fig. 6 is the structural representation of Type B longeron.
Fig. 7 is the structural representation of A type longeron.
Fig. 8 is embodiment laterally storage schematic diagram 1.
Fig. 9 is embodiment laterally storage schematic diagram 2.
Figure 10 is embodiment laterally storage schematic diagram 3.
Figure 11 is embodiment laterally storage schematic diagram 4.
Figure 12 is embodiment laterally storage schematic diagram 5.
Figure 13 is embodiment laterally storage schematic diagram 6.
Figure 14 is embodiment laterally storage schematic diagram 7.
Wherein, accompanying drawing labelling is as follows: 1-crossbeam, 2-B type longeron, 3-A type longeron, 4-connector, 41-socket joint, 42-joint arm, 43-spring, 44-latch, 45-blind hole, 46-bearing pin, 47-spring base, 48-elongated through-holes, 5-bearing, 6-C shape steel bracket, 7-latch, 8-reinforcement, 9-crossbeam fixed block, 10-locking nut, 11-rubber blanket, 12-connecting portion, 13-crossbeam hole.
Detailed description of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of folding ladder that can laterally receive, below in conjunction with embodiment, the present invention is described in further detail.
By now on the market common can be longitudinal folding folding ladder we be able to know that techniques below point, can generally comprise four short ladders by longitudinal folding folding ladder on the market now, and chain connection successively between short ladder, angle between two short ladders of arbitrary neighborhood can be changed, and the short ladder bottom being positioned at outermost both sides is provided with base, for whole folding ladder is supported.And chain connection position is additionally provided with fixing device between adjacent short ladder, for the angle between short ladder being fixed after adjusting whole folding ladder shape.Described short ladder all includes two longerons and some crossbeams, and some crossbeams are fixed between longeron so that can step down on crossbeam when people climb.Two longerons of one short ladder respectively with two longeron chain connections of another short ladder.
Embodiment
As shown in Fig. 1～14, the present embodiment is identical with prior art principle in longitudinal folding, include four short ladders, and chain connection successively between four short ladders, between adjacent short ladder, chain connection position is provided with fixing device, for the angle between short ladder being fixed after adjusting whole folding ladder shape.
The present embodiment difference with the prior art is in that, described short ladder all includes two longerons and four crossbeams 1.Said two longeron includes A type longeron 3, Type B longeron 2.Being provided with two on above-mentioned two longeron all from top to bottom can for the crossbeam hole of crossbeam traverse and two for the connecting portion 12 by connector 4 chain connection crossbeam, connecting portion on one longeron is corresponding with the position, crossbeam hole 13 on another longeron, and described connecting portion and crossbeam hole are disposed adjacent.Namely described A type longeron is respectively equipped with connecting portion, crossbeam hole, connecting portion and crossbeam hole from top to bottom, and described Type B longeron is respectively equipped with crossbeam hole, connecting portion, crossbeam hole and connecting portion from top to bottom.Connector and a longeron chain connection are passed through in one end of any one crossbeam, and the position of the other end is through the crossbeam hole on another longeron.
Described longeron also includes arranging the reinforcement 8 that crossbeam hole is formed around, and described reinforcement is for being fixed by screws in rail inner, and centre is provided with and agrees with the block elements with relatively strong hardness of through hole with crossbeam hole shape.
Described connector includes socket joint 41, joint arm 42, and described socket joint is fixed on the connecting portion of longeron by screw, and described joint arm presses with crossbeam and is connected.Described joint arm and socket joint are by bearing pin 46 chain connection.Being fixed with spring base 47 in described socket joint, described spring base is fixed with spring 43, described spring is also associated with latch 44.On described joint arm, the one end near socket joint is provided with the blind hole 45 with tapering so that when the centrage of joint arm overlaps with socket joint centrage, latch is inserted in blind hole so that between socket joint and joint arm, angle is fixed, it is impossible to continuation activity.
Described crossbeam also includes the crossbeam fixture being connected to crossbeam near one end, crossbeam hole that presses, and described crossbeam fixture for being fixed on longeron by crossbeam after pulling open whole laterally folded ladder so that crossbeam is fixed, it is impossible to movable.Described crossbeam fixture includes being arranged on the crossbeam crossbeam fixed block 9 near crossbeam mouth one end and locking nut 10, the size being sized larger than crossbeam hole of described crossbeam fixed block, crossbeam can not be completely disengaged from from the longeron being provided with corresponding crossbeam hole, and described locking nut is used for fixed cross beam and longeron.A part for described locking nut is arranged on longeron.
It is worth special instruction, described socket joint roof has elongated through-holes 48, be provided with the screw connecting latch in described elongated through-holes so that when spring or latch go wrong, it is possible to the position of Non-follow control latch.Simultaneously, the existence of screw makes when two longerons are close time, locking nut encounters screw to screw power, make screw drive latch from blind hole out, so that can be movable between joint arm and socket joint, namely locking nut acts on latch by screw, and under the cooperation of spring, makes latch move back and forth.
In described four short ladders, the longeron bottom of outermost two short ladders is also all provided with bearing 5, described bearing includes hinged two C-type steel supports 6 and one of them C-type steel support from each other and is fixed by screws on longeron, removably connect between two C-type steel supports latch jointly, described latch 7 can pass between two C-type steel supports so that between two C-type steel, angle is fixed on 90 °.
The intensity that the reason of use C-type steel support is C-type steel own is higher, and the structure of C-type steel makes a C-type steel can be received in the groove of another C-type steel, and storage is thoroughly, conveniently.
Being worth special instruction, in two short ladders of described arbitrary neighborhood, the structure of hinged longeron is different each other.Namely the top of the A type longeron in a short ladder and the bottom hinge of Type B longeron that is adjacent in another short ladder connect or the top hinge of Type B longeron in the bottom of A type longeron in a short ladder and another short ladder of being adjacent connects.
Also all being provided with rubber blanket 11 bottom the longeron of described outermost two short ladders, this is possible to prevent to scratch ground.
nullWhen not using，Ladder presents receiving state，Namely laterally folded and longitudinal folding state is presented，Due to longitudinal folding identical with prior art principle，Therefore it is not described，Only describe and pass through the state that longitudinal folding ladder is again laterally folded: two C-type steel supports of base close up，Making angle between the two is 0 °，Owing to the bottom/top of A type longeron is connected with top/or the bottom hinge of Type B longeron，Therefore when ladder longitudinally storage time，Centrally located two need the A type longeron of the short ladder of storage downwards、Type B longeron reverses，The bottom/top of A type longeron and Type B longeron has reformed into top/bottom，Now present in the ladder of longitudinal receiving state each other in hinged A type longeron and Type B longeron connecting portion and crossbeam hole in same level，Now locking nut unclamps，Crossbeam can be movable on longeron，Being made by crossbeam hole can be close to each other between two longerons of same short ladder.Now, crossbeam is past overhanging from crossbeam hole, when two longerons are near extremely prescribing a time limit, locking nut touches the screw in socket joint on latch, screw drives latch to overcome spring force to exit from the blind hole of joint arm, can be movable between joint arm and socket joint, now crossbeam is turned to and be close to longeron, it is achieved horizontal storage.
During expansion, by a C-type steel support in two bearings so that the angle between a C-type steel support and another C-type steel support is 90 °, now inserts latch so that between two C-type steel supports, angle is fixed.Pull-up crossbeam so that the centrage of joint arm overlaps with socket joint seat centrage, and now latch agrees with and relative with blind hole shape, and latch will stretch in blind hole under the elastic force effect of spring so that block joint arm, joint arm is comparatively firm with socket joint position.Now short terraced two longerons are pulled open, until accessible maximum distance, by crossbeam fixture, crossbeam is fixed on longeron, further firm crossbeam, it is achieved that the horizontal spreading of folding ladder, owing to longitudinally expanding into prior art, do not do detailed narration at this.
In the present embodiment, described short ladder includes two longerons and four crossbeams, in addition, may also include any number of crossbeam.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is; under premise based on said structure design, for solving same technical problem, even if some making in the present invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it should also be as in protection scope of the present invention.
Claims (9)
1. the folding ladder that can laterally receive, including hinged short ladder successively, described short ladder includes longitudinal and cross beam (1), described crossbeam (1) is arranged between longeron, it is characterized in that, described longeron is provided with mean for crossbeam (1) traverse crossbeam hole (13) and with crossbeam (1) hinged connecting portion (12), connecting portion (12) chain connection of one end of crossbeam (1) and a longeron, the other end is through the crossbeam hole (13) on another longeron.
2. a kind of folding ladder that can laterally receive according to claim 1, it is characterized in that, also include connector (4), the connecting portion (12) of described longeron by connector (4) and crossbeam (1) chain connection, the joint arm (42) that the socket joint (41) that described connector (4) includes being arranged on longeron is connected with crossbeam (1)；Described joint arm (42) and socket joint (41) chain connection, it is provided with retainer so that can angle between fixing joint arm (42) and socket joint (41) between described joint arm (42) and socket joint (41).
3. a kind of folding ladder that can laterally receive according to claim 1, it is characterized in that, described crossbeam (1) also includes the crossbeam fixture being arranged on crossbeam (1) so that can be fixed on longeron by crossbeam (1) by crossbeam fixture, it is impossible to movable.
4. a kind of folding ladder that can laterally receive according to claim 1, it is characterised in that described longeron also includes the reinforcement (8) being arranged on crossbeam hole (13) surrounding in order to strengthen longeron intensity.
5. a kind of folding ladder that can laterally receive according to claim 1, it is characterized in that, the short ladder being positioned at outermost both sides is provided with bearing (5), described bearing (5) includes two hinged supports, one of them support is arranged on longeron, and said two support is removably connected with latch (7) jointly.
6. a kind of folding ladder that can laterally receive according to claim 1, it is characterised in that the short ladder bottom being positioned at outermost both sides is provided with rubber blanket (11).
7. a kind of folding ladder that can laterally receive according to claim 2, it is characterised in that described joint arm (42) presses with crossbeam (1) and is connected.
8. a kind of folding ladder that can laterally receive according to claim 2, it is characterized in that, latch (44) that the spring (43) that described retainer includes being provided with in socket joint (41) is connected with spring (43), the blind hole (45) being arranged on joint arm (42), the structure of described blind hole (45) and latch (44) makes joint arm (42) that latch (44) just can be made when must be positioned at specific position to insert in blind hole (45).
9. a kind of folding ladder that can laterally receive according to claim 5, it is characterised in that described support is C-type steel support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206326.9A CN105756547B (en) | 2016-04-06 | 2016-04-06 | A kind of folding ladder that can laterally store |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206326.9A CN105756547B (en) | 2016-04-06 | 2016-04-06 | A kind of folding ladder that can laterally store |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756547A true CN105756547A (en) | 2016-07-13 |
| CN105756547B CN105756547B (en) | 2017-10-27 |
Family
ID=56347236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610206326.9A Expired - Fee Related CN105756547B (en) | 2016-04-06 | 2016-04-06 | A kind of folding ladder that can laterally store |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756547B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600079A (en) * | 2020-12-01 | 2021-04-02 | 中国电建集团江西省电力设计院有限公司 | Sail type combined outgoing line framework |
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649430A1 (en) * | 1976-02-05 | 1977-08-11 | Kosei Kigyo Co | Compact folding transportable ladder - has rungs hinged to one stringer and to sliding plate on other stringer |
| JP2001329772A (en) * | 2000-05-19 | 2001-11-30 | Alinco Inc | Folding ladder |
| JP2010053671A (en) * | 2008-08-29 | 2010-03-11 | Masayasu Saito | Ladder |
| ES1148061U (en) * | 2015-12-01 | 2015-12-22 | Benjamín MARIÑO FONTÁN | Folding ladder (Machine-translation by Google Translate, not legally binding) |
| CN205577823U (en) * | 2016-04-06 | 2016-09-14 | 陈大江 | Folding ladder that can transversely accomodate |
-
2016
- 2016-04-06 CN CN201610206326.9A patent/CN105756547B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649430A1 (en) * | 1976-02-05 | 1977-08-11 | Kosei Kigyo Co | Compact folding transportable ladder - has rungs hinged to one stringer and to sliding plate on other stringer |
| JP2001329772A (en) * | 2000-05-19 | 2001-11-30 | Alinco Inc | Folding ladder |
| JP2010053671A (en) * | 2008-08-29 | 2010-03-11 | Masayasu Saito | Ladder |
| ES1148061U (en) * | 2015-12-01 | 2015-12-22 | Benjamín MARIÑO FONTÁN | Folding ladder (Machine-translation by Google Translate, not legally binding) |
| CN205577823U (en) * | 2016-04-06 | 2016-09-14 | 陈大江 | Folding ladder that can transversely accomodate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
| CN112600079A (en) * | 2020-12-01 | 2021-04-02 | 中国电建集团江西省电力设计院有限公司 | Sail type combined outgoing line framework |
| CN112600079B (en) * | 2020-12-01 | 2022-12-02 | 中国电建集团江西省电力设计院有限公司 | Sail type combined outgoing line framework |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756547B (en) | 2017-10-27 |
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Granted publication date: 20171027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |