CN202249721U - Foldable herringbone ladder of improved structure - Google Patents
Foldable herringbone ladder of improved structure Download PDFInfo
- Publication number
- CN202249721U CN202249721U CN2011203235104U CN201120323510U CN202249721U CN 202249721 U CN202249721 U CN 202249721U CN 2011203235104 U CN2011203235104 U CN 2011203235104U CN 201120323510 U CN201120323510 U CN 201120323510U CN 202249721 U CN202249721 U CN 202249721U
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- Prior art keywords
- ladder
- bearing support
- frame
- cascaded surface
- higher level
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Abstract
The utility model discloses a foldable herringbone ladder of an improved structure, which comprises a ladder frame and a supporting frame, wherein upper parts of the ladder frame and the supporting frame are hinged and matched with each other, and the ladder frame is provided with a plurality of ladder surfaces which are horizontally distributed at intervals; and the uppermost ladder surface is movably hinged onto the ladder frame, the bottom part of the ladder frame is movably connected with a connecting rod, and the connecting rod is buckled with a supporting crossbar movable buckle which is arranged on the supporting frame. Compared with the prior art, the foldable herringbone ladder has beneficial effects that: the integral structure is simple and compact, the components are fewer, the cost is low, the foldable herringbone ladder is convenient and rapid to unfold and fold and is safe and reliable to use, and the foldable herringbone ladder is suitable for being popularized in different fields of the work and life.
Description
Technical field
The utility model relates to a kind of double ladder, belongs to the cat ladder product technical field, refers in particular to a kind of collapsible double ladder that improves structure.
Background technology
The ladder that the climbing eminence is used is the common tool in people's daily life and the work; Traditional ladder generally connects firmly some cross bars by two long struts and constitutes; During use; Need serve as to rely on to use with wall or certain stationary support, in the space of spaciousness or there is not bad use under other support situation; Therefore, for addressing the above problem, double ladder has appearred on the market; Though existing double ladder has solved the problem that need not support,, it is folding relatively complicated with deployed configuration; Operating is not easily, so the utility model is the technological improvement of carrying out to this technical problem.
The utility model content
The purpose of the utility model is to overcome shortcoming of the prior art with not enough, and a kind of simple in structure, easy to operate, collapsible double ladder that practical and reliable is improved structure is provided.
To achieve these goals, the utility model is realized by following technical scheme:
A kind of collapsible double ladder that improves structure includes ladder frame and bearing support, and wherein, ladder frame and bearing support cooperate in both upper articulations, and ladder sets up and is equipped with some levels and is the cascaded surfaces that the horizontal interval is arranged; Further, said higher level's cascaded surface is movably hinged on the ladder frame, and its bottom is movably hinged with connecting rod, connecting rod be installed in the supporting bar active card buckle on the bearing support.
Further, said ladder frame is equiped with a ladder cross bar, and an end activity of higher level's cascaded surface wore this ladder cross bar, and opposed end is connected with the supporting bar buckle of bearing support when deployed condition, so that double ladder is limited to deployed condition.
Further, said connecting rod is " U " font structure, and its two pole is movably hinged with the bottom of higher level's cascaded surface respectively, and the position, intermediate portion forms the trip that is connected with the supporting bar buckle of bearing support.
Further, the side walls of said higher level's cascaded surface is provided with the bayonet socket that is connected with the supporting bar buckle of bearing support.
Further, the bottom of said higher level's cascaded surface is provided with and cooperates with the card of locking positioning protruding with the supporting bar roof pressure of bearing support.
The utility model compared with prior art, its beneficial effect is:
The overall structure compact, component are few, and cost is low, expansion and folding all more convenient quick, safe and reliable, the different field that is suitable for work and life is promoted the use of.
In order to understand the utility model more clearly, below accompanying drawings is set forth the specific embodiment of the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model deployed condition.
Fig. 2 is the structural representation of the utility model semi-collapsed condition.
The specific embodiment
Like Fig. 1, shown in 2; The collapsible double ladder of the said improvement structure of the utility model includes ladder frame 1 and bearing support 2, wherein; Ladder frame 1 cooperates with the upper articulation of bearing support 2 in both, and ladder frame 1 is provided with the cascaded surface that some levels are the horizontal interval layout.
Above-mentioned ladder frame 1 is equiped with a ladder cross bar 11, and an end activity of higher level's cascaded surface 12 wore this ladder cross bar 11, and opposed end is connected with supporting bar 21 buckles of bearing support 2 when deployed condition, double ladder is limited to deployed condition; Preferably; The side walls of this higher level's cascaded surface 12 is provided with the bayonet socket 13 that is connected with supporting bar 21 buckles of bearing support 2, and the bottom of this higher level's cascaded surface 12 is provided with supporting bar 21 roof pressures of bearing support 2 and cooperates with the card of locking positioning protruding 14.
Further; The bottom of said higher level's cascaded surface 12 is movably hinged with a connecting rod 15; Connecting rod 15 is " U " font structure, and its two pole is movably hinged with the bottom of higher level's cascaded surface 12 respectively, and the position, intermediate portion forms the trip that is connected with supporting bar 21 buckles of bearing support 2.
During deployed condition, the bayonet socket 13 of higher level's cascaded surface 12 is connected with supporting bar 21 buckles of bearing support 2, and blocks protruding 14 and cooperate with supporting bar 21 roof pressures, thus with the double ladder locking positioning in a certain deployed condition; When needing folding double ladder, only need the higher level's of pull-up cascaded surface 12, " U " font connecting rod 15 drives bearing supports 2 and regains and draw close ladder frame 1, and is superimposed fully until bearing support 2 and ladder frame 1, forms folded state.
The utility model is not limited to above-mentioned embodiment; If spirit and scope that the various changes or the modification of the utility model do not broken away from the utility model; If these are changed and modification belongs within the claim and equivalent technologies scope of the utility model, then the utility model also is intended to comprise these changes and modification.
Claims (5)
1. collapsible double ladder that improves structure; Include ladder frame and bearing support, wherein, ladder frame and bearing support cooperate in both upper articulations; And ladder sets up and is equipped with the cascaded surface that some levels are the horizontal interval layout; It is characterized in that: said higher level's cascaded surface is movably hinged on the ladder frame, and its bottom is movably hinged with connecting rod, connecting rod be installed in the supporting bar active card buckle on the bearing support.
2. the collapsible double ladder of improvement structure according to claim 1; It is characterized in that: said ladder frame is equiped with a ladder cross bar; One end activity of higher level's cascaded surface wore this ladder cross bar; Opposed end is connected with the supporting bar buckle of bearing support when deployed condition, so that double ladder is limited to deployed condition.
3. the collapsible double ladder of improvement structure according to claim 1 and 2; It is characterized in that: said connecting rod is " U " font structure; Its two pole is movably hinged with the bottom of higher level's cascaded surface respectively, and the position, intermediate portion forms the trip that is connected with the supporting bar buckle of bearing support.
4. the collapsible double ladder of improvement structure according to claim 2 is characterized in that: the side walls of said higher level's cascaded surface is provided with the bayonet socket that is connected with the supporting bar buckle of bearing support.
5. the collapsible double ladder of improvement structure according to claim 2 is characterized in that: the bottom of said higher level's cascaded surface is provided with and cooperates with the card of locking positioning protruding with the supporting bar roof pressure of bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203235104U CN202249721U (en) | 2011-08-31 | 2011-08-31 | Foldable herringbone ladder of improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203235104U CN202249721U (en) | 2011-08-31 | 2011-08-31 | Foldable herringbone ladder of improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249721U true CN202249721U (en) | 2012-05-30 |
Family
ID=46110980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203235104U Expired - Fee Related CN202249721U (en) | 2011-08-31 | 2011-08-31 | Foldable herringbone ladder of improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522819A (en) * | 2016-11-22 | 2017-03-22 | 苏州东润梯业有限公司 | Platform step ladder |
-
2011
- 2011-08-31 CN CN2011203235104U patent/CN202249721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522819A (en) * | 2016-11-22 | 2017-03-22 | 苏州东润梯业有限公司 | Platform step ladder |
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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: 20120530 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |