CN205172405U - Double ladder is folded to secondary - Google Patents
Double ladder is folded to secondary Download PDFInfo
- Publication number
- CN205172405U CN205172405U CN201520960510.3U CN201520960510U CN205172405U CN 205172405 U CN205172405 U CN 205172405U CN 201520960510 U CN201520960510 U CN 201520960510U CN 205172405 U CN205172405 U CN 205172405U
- Authority
- CN
- China
- Prior art keywords
- arms
- montant
- crossbeam
- tread
- double ladder
- 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.)
- Expired - Fee Related
Links
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a but the portable double ladder of secondary folding, it includes two tread and two connecting blocks that can form " people " style of calligraphy, each the tread includes two parallel montants and a plurality of groups crossbeam, every group the crossbeam includes that two can be realized nested crossbeam unit. Pass through between the tread connecting block articulated and realize foling, this be folding for the first time, pass through in the tread between the crossbeam unit articulated the crossbeam unit with articulating between the montant can realize the crosswise fold, and this is folding for the second time. This portable double ladder is folded to secondary have the structure firm, folding simple and easy, the volume is smaller and more exquisite and be convenient for transport the advantage of accomodating.
Description
Technical field
The utility model relates to folding double ladder, specifically, relate to a kind of can the double ladder of twice-folded.
Background technology
At present, folding ladder widely uses at numerous areas such as maintenance of works, family's glove, interior decorations.In use the strut angle of double ladder is opened, can stable support be realized; After finishing using, strut angle is closed up, can reduced volume be convenient to transport and deposit, but now widely used folding double ladder can only realize strut angle closes up, and namely once folds, and trampling crossbeam direction and still can not realize folding at ladder.Because ladder crossbeam direction has certain length, there is the shortcoming that floor space is large, therefore deposit in process in transport and still there is inconvenience.
For solving the problem, seek a kind of stabilized structure but the smaller and more exquisite folding double ladder of volume, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thus the folding double ladder providing a kind of stabilized structure, volume after folding less.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of double ladder of twice-folded, comprise the tread that two can form " people " word, two treads are identical, hinged by two contiguous blocks between described tread, be made up of two parallel montants and some groups of crossbeams in described tread.
Wherein, in same tread, each described crossbeam is made up of a single-arm horizontally beam element and a both arms crossbeam unit; Described montant is made up of a single armed side montant and a both arms side montant; Described single armed side montant is parallel with described both arms side montant.
Described single-arm horizontally beam element and described single armed side montant hinged, described both arms crossbeam unit and described both arms side montant hinged.
Hinged between described single-arm horizontally beam element and described both arms crossbeam unit, form crossbeam described in a group, and can realize nested; Described crossbeam quantity is determined by ladder height.
Several spaces that can hold lower described both arms crossbeam unit and described hinge point are contained in the inner side of described both arms side montant, and space number is identical with described both arms crossbeam unit number; Several spaces that can hold lower described single-arm horizontally beam element and described hinge point are contained in the inner side of described single armed side montant, and space number is identical with the number of described single-arm horizontally beam element.
Described montant top and contiguous block hinged; The described homonymy montant top of described contiguous block tread different from two is hinged; Described contiguous block is parallel to each other.
Can be connected between described homonymy montant by wire rope between described tread and realize the fixing of support angle.
The utility model hinge structure has substantive distinguishing features and progress, specifically, the utility model utilizes coordinating of crossbeam unit and hinge cleverly, realize double ladder and trample the folding of crossbeam direction, the second time that original folding base carries out is folding fully reduces folding volume, is convenient to transport and storage; Furtherly, operationally, described both arms crossbeam unit and described single-arm horizontally beam element are 180 ° of angles, and the matching part of described both arms crossbeam unit and described single-arm horizontally beam element can realize trampling direction non-displacement, without corner, to ensure abundant safety; When rotation is closed up, described single-arm horizontally beam element can the position, described space of both arms crossbeam unit described in retraction, described both arms crossbeam unit can the position, space of single armed side montant described in retraction and described both arms side montant, all described montants can be close together, to ensure that volume after folding is minimum.The utility model has the advantage that structure is ingenious, cost is low, volume after folding is less.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Fig. 2 is that both arms crossbeam unit coordinates schematic diagram with the hinged of single-arm horizontally beam element.
Fig. 3 is that the utility model produces hinge point schematic diagram folding for the first time.
Fig. 4 is that the utility model produces the folding hinge point phantom drawing of second time.
In figure, 1. both arms side montant, 2. single armed side montant, 3. both arms crossbeam unit, 4. single-arm horizontally beam element, 51. contiguous blocks, 52. contiguous blocks.
Detailed description of the invention
Below by detailed description of the invention, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of double ladder of twice-folded, comprises two identical treads and two contiguous blocks 51 and 52.Both arms side montant 1, single armed side montant 2, several both arms crossbeam unit 3, the single-arm horizontally beam element 4 identical with described both arms crossbeam unit quantity is comprised in described tread.
Wherein, described both arms side montant 1 is hinged with described both arms crossbeam unit 3, and described single armed side montant 2 is hinged with described single-arm horizontally beam element 4.
Described both arms crossbeam unit 3 is hinged with described single-arm horizontally beam element 4, and described hinge point has limit function; Space between the two-arm of described both arms crossbeam unit 3 can hold lower described single-arm horizontally beam element 4, namely realizes nested.
Described both arms crossbeam unit 3 and described single-arm horizontally beam element 4 form one and trample crossbeam, and described crossbeam quantity can be determined by ladder height.
Several spaces that can hold lower described both arms crossbeam unit 3 and described hinge point are contained in the inner side of described both arms side montant 1, and void count is identical with the quantity of described both arms crossbeam unit 3; Several spaces that can hold lower described single-arm horizontally beam element 4 and described hinge point are contained in the inner side of described single armed side montant 2, and void count is identical with the quantity of described single-arm horizontally beam element 4.
Montant 1 top, described both arms side and described contiguous block 51 hinged; Montant 2 top, described single armed side and contiguous block 52 hinged; The total length of described contiguous block 51 is 2 times of both arms side montant 1 thickness; The total length of described contiguous block 52 is 2 times of both arms side montant 2 thickness; Described contiguous block 51 and described contiguous block 52 are parallel to each other.
During work, can be connected between described homonymy montant by wire rope between described tread and realize the fixing of support angle.
In order to strengthen reliability of the present utility model and safety, hinged corner between described both arms side montant 1 and described both arms crossbeam unit 3 is limited within 90 °, and the hinged corner between described single armed side montant 2 and described single-arm horizontally beam element 4 is limited within 90 °; As shown in Figure 2, hinged corner between described both arms crossbeam unit 3 and described single-arm horizontally beam element 4 is limited within 180 °, and when can ensure that described both arms crossbeam unit 3 is 180 ° with described single-arm horizontally beam element 4 angle, the undirected lower movement tendency of hinge point, can realize stable trampling.
As shown in Figure 3 and Figure 4, in concrete enforcement, when carrying out folding, first realized closing up via the connecting portion of described contiguous block 51 and the connecting portion of described contiguous block 52 by two described treads, namely first time is folding, again via the hinge point between the described both arms crossbeam unit 3 in described tread and described single-arm horizontally beam element 4, the hinge point of described both arms side montant 1 and described both arms crossbeam unit 3 and the hinge point between described single armed side montant 2 and described single-arm horizontally beam element 4 realize folding, the i.e. both arms gap of both arms crossbeam unit 3 described in the retraction of described single-arm horizontally beam element 4, both arms side montant 1 described in the retraction of described both arms crossbeam unit 3 and the space in described single armed side montant 2, described single armed side montant 2 and described both arms side montant 1 realize laterally closing up, namely second time is folding.
Finally should be noted that: above embodiment only for so that the technical solution of the utility model to be described, is not intended to limit; Although explain the utility model with reference to preferred embodiment, the different technologies personnel in described field are to be understood that: still can modify to detailed description of the invention of the present utility model or replace on an equal basis this part technical characteristic; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (6)
1. a twice-folded double ladder, is characterized in that: it comprises tread and two contiguous blocks that two can form " people " font; Tread described in each comprises two parallel montants and some groups of crossbeams; In same tread, described crossbeam is made up of single-arm horizontally beam element and both arms crossbeam unit; Described montant is made up of single armed side montant and both arms side montant; Described single armed side montant is parallel with described both arms side montant; Hinged between described single-arm horizontally beam element and described both arms crossbeam unit, form crossbeam described in a group, and can realize nested.
2. a kind of twice-folded double ladder according to claim 1, is characterized in that: described single-arm horizontally beam element and described single armed side montant hinged, described both arms crossbeam unit and described both arms side montant hinged.
3. a kind of twice-folded double ladder according to claim 1, is characterized in that: the quantity of described crossbeam is determined by the height of ladder.
4. a kind of twice-folded double ladder according to claim 2, it is characterized in that: several spaces that can hold lower described both arms crossbeam unit and described hinge point are contained in the inner side of described both arms side montant, and described space number is identical with described both arms crossbeam unit number; Several spaces that can hold lower described single-arm horizontally beam element and described hinge point are contained in the inner side of described single armed side montant, and space number is identical with the number of described single-arm horizontally beam element.
5. a kind of twice-folded double ladder according to claim 1, is characterized in that: described montant top and contiguous block hinged; The described homonymy montant top of described contiguous block tread different from two is hinged; Described contiguous block is parallel to each other.
6. a kind of twice-folded double ladder according to claim 1, is characterized in that: during off working state, and all described montants can be close together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960510.3U CN205172405U (en) | 2015-11-28 | 2015-11-28 | Double ladder is folded to secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960510.3U CN205172405U (en) | 2015-11-28 | 2015-11-28 | Double ladder is folded to secondary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172405U true CN205172405U (en) | 2016-04-20 |
Family
ID=55736408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520960510.3U Expired - Fee Related CN205172405U (en) | 2015-11-28 | 2015-11-28 | Double ladder is folded to secondary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205172405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1009386B (en) * | 2017-10-09 | 2018-10-17 | Ιωαννης Σταματιου Δασκαλακης | Foldable pocket ladder |
-
2015
- 2015-11-28 CN CN201520960510.3U patent/CN205172405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1009386B (en) * | 2017-10-09 | 2018-10-17 | Ιωαννης Σταματιου Δασκαλακης | Foldable pocket ladder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201742332U (en) | Unfolded solar energy mobile power supply | |
| CN206367578U (en) | A kind of new unmanned plane | |
| CN205172405U (en) | Double ladder is folded to secondary | |
| CN106639286A (en) | Extendable multi-purpose high altitude platform | |
| CN202755784U (en) | Upturning door mechanism and vehicle | |
| CN209251910U (en) | A kind of foldable meeting table | |
| CN205671795U (en) | There is the high cube container of extension dressing memory function | |
| CN105923569A (en) | System based on ensuring of lifting process safety | |
| CN203383329U (en) | Movable foldable prefabricated house | |
| CN207728069U (en) | A kind of built-in type solid parking is precious | |
| CN202704076U (en) | Slippage type folding circulating box | |
| CN202770461U (en) | Portable horizontal windproof work table | |
| CN210508562U (en) | Hidden double-layer type stereoscopic parking space | |
| CN205477346U (en) | Easy warehousing and transportation combination formula maintenance ladder | |
| CN204909855U (en) | Extending first -aid kit of multilayer | |
| CN207314780U (en) | A kind of extension type construction platform | |
| CN205267756U (en) | Public place umbrella stores pylon | |
| CN204623590U (en) | A kind of construction-vehicle cab | |
| CN207419707U (en) | A kind of collapsible house hinge | |
| CN208234470U (en) | A kind of intelligent book transfer car(buggy) | |
| CN204369515U (en) | Guardrail rack sliding connection structure | |
| CN207879241U (en) | A kind of climbing ladder apparatus for building | |
| CN204057508U (en) | Retractable frame maked somebody a mere figurehead by a kind of pipeline | |
| CN208821949U (en) | A kind of file cabinet of sliceable conveniently moving storage | |
| CN204196979U (en) | A kind of children trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |