CN202900023U - Novel trestle ladder - Google Patents
Novel trestle ladder Download PDFInfo
- Publication number
- CN202900023U CN202900023U CN 201220597251 CN201220597251U CN202900023U CN 202900023 U CN202900023 U CN 202900023U CN 201220597251 CN201220597251 CN 201220597251 CN 201220597251 U CN201220597251 U CN 201220597251U CN 202900023 U CN202900023 U CN 202900023U
- Authority
- CN
- China
- Prior art keywords
- ladder
- loop bar
- single ladder
- novel
- trestle
- 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
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Abstract
The utility model relates to a ladder for climbing and in particular relates to a novel trestle ladder. The novel trestle ladder mainly consists of a first single ladder and a second single ladder which are connected in a rotating manner; a limiting connection rod is arranged between the first single ladder and the second single ladder; the first single ladder and the second single ladder are respectively provided with two support legs; each support leg comprises a loop bar and an expansion bar; the expansion rod is arranged in the loop bar in a penetrating manner and is connected with the loop bar in a sliding manner; a screw hole is formed in the side wall of the loop bar; the screw hole is in threaded connection with a fastening bolt; and the screw holes are through holes. The novel trestle ladder is simple in structure and convenient to use; and with the adoption of the adjustable support legs, the trestle ladder can be used for the even ground as well as can be suitable for being used for the uneven ground, is excellent in stability and security and brings certain beneficial effects.
Description
Technical field
The utility model relates to a kind of climbing ladder, especially a kind of Novel herringbone ladder.
Background technology
Double ladder is widely used because of its steadiness, therefore but present double ladder because use on the unadjustable level land that is only suitable for of its supporting leg, when need are looked like on the stair operation on the ground of injustice, double ladder will be difficult to be in steadily, easily cause security incident.
The utility model content
The utility model is intended to address the above problem, and a kind of Novel herringbone ladder is provided, and it has overcome the drawback of using traditional double ladder can't guarantee its stationarity during operation on the ground of injustice, and its technical scheme that adopts is as follows:
A kind of Novel herringbone ladder, it mainly is rotationally connected by first single ladder and second single ladder and forms, be provided with spacing connecting rod between described first single ladder and the second single ladder, described first single ladder and second single ladder all have two supporting legs, described supporting leg comprises loop bar and expansion link, and described expansion link is threaded onto in the loop bar and with loop bar and is slidingly connected, and described loop bar sidewall is provided with screwed hole, the described screwed hole trip bolt that has been threaded, described screwed hole is through hole.
The utlity model has following advantage: simple in structure, easy to use, supporting leg is adjustable, both can use the ground that also is adapted to injustice to use on the level land, and stability and safety are good.
Description of drawings
Fig. 1: the structural representation (band part section) of facing of the present utility model;
Fig. 2: side-looking structural representation of the present utility model;
Symbol description:
1. first single ladder, 2. second single ladder, 3. spacing connecting rod, 4. supporting leg, 10. loop bar, 11. expansion links, 12. trip bolts.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and example:
As depicted in figs. 1 and 2, a kind of Novel herringbone ladder of the present embodiment, it mainly is rotationally connected by first single ladder 1 and second single ladder 2 and forms, be provided with spacing connecting rod 3 between described first single ladder 1 and second single ladder 2, described first single ladder 1 and second single ladder 2 all has two supporting legs 4, described supporting leg 4 comprises loop bar 10 and expansion link 11, described expansion link 11 is threaded onto in the loop bar 10 and with loop bar 10 and is slidingly connected, described loop bar 10 sidewalls are provided with screwed hole, the described screwed hole trip bolt 12 that has been threaded, described screwed hole is through hole, when only needing first adjustable telescopic rod 11 on the ground of need in injustice during operation, make it stretch out suitable length with respect to loop bar 10 and then tighten trip bolt 12 expansion link 11 is held out against, make it to fix with loop bar 10.
The above is illustrated the utility model with way of example, but the utility model is not limited to above-mentioned specific embodiment, and all any change or modification of doing based on the utility model all belong to the claimed scope of the utility model.
Claims (1)
1. Novel herringbone ladder, it mainly is rotationally connected by first single ladder and second single ladder and forms, be provided with spacing connecting rod between described first single ladder and the second single ladder, described first single ladder and second single ladder all have two supporting legs, it is characterized in that: described supporting leg comprises loop bar and expansion link, and described expansion link is threaded onto in the loop bar and with loop bar and is slidingly connected, and described loop bar sidewall is provided with screwed hole, the described screwed hole trip bolt that has been threaded, described screwed hole is through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597251 CN202900023U (en) | 2012-11-07 | 2012-11-07 | Novel trestle ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597251 CN202900023U (en) | 2012-11-07 | 2012-11-07 | Novel trestle ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900023U true CN202900023U (en) | 2013-04-24 |
Family
ID=48120708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597251 Expired - Fee Related CN202900023U (en) | 2012-11-07 | 2012-11-07 | Novel trestle ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470175A (en) * | 2013-09-24 | 2013-12-25 | 国家电网公司 | Insulating ladder suitable for uneven ground |
-
2012
- 2012-11-07 CN CN 201220597251 patent/CN202900023U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470175A (en) * | 2013-09-24 | 2013-12-25 | 国家电网公司 | Insulating ladder suitable for uneven ground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131107 |