CN208105706U - A kind of foldable extension ladder - Google Patents
A kind of foldable extension ladder Download PDFInfo
- Publication number
- CN208105706U CN208105706U CN201820574837.0U CN201820574837U CN208105706U CN 208105706 U CN208105706 U CN 208105706U CN 201820574837 U CN201820574837 U CN 201820574837U CN 208105706 U CN208105706 U CN 208105706U
- Authority
- CN
- China
- Prior art keywords
- extension ladder
- connecting rod
- cover board
- rod
- overturning cover
- 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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- Ladders (AREA)
Abstract
The utility model discloses a kind of foldable extension ladders, it is characterized in that, it includes the extension ladder being arranged on the overturning cover board of corridor mouth, is connected to corridor mouth and overturns the cover board traction reduction mechanism between cover board, and extension ladder traction fold mechanism is provided between extension ladder and overturning cover board；Extension ladder includes two sides telescope support and the muti-piece pedal that is connected on the telescope support of two sides, and telescope support is mainly made of the sequentially connected X-shaped cross rod mechanism of multiple groups；Extension ladder traction fold mechanism includes the oscillating rod connecting with extension ladder, is connected to the reset spring overturn between cover board and extension ladder.The utility model structure is simple, easy to use and operate.
Description
Technical field
The utility model relates to ladder technical fields, more particularly to a kind of foldable extension ladder.
Background technique
With the continuous development of building trade, loft is increasingly common in building, in daily life, often can be appreciated that city
In house have a loft, most of loft or idle or for storing grain or some articles being of little use, people
It is usually all then to go up loft again by removing the method for ladder when using loft, it is not only inconvenient but also laborious, or even removing
The ornaments in house can be encountered during ladder.For this reason, it is necessary to develop a kind of stair that can be easy to use and collect
Structure, to meet the needs of loft application.
Summary of the invention
The purpose of this utility model be exactly in order to solve the deficiency of the prior art and a kind of structure for providing is simple, user
Just a kind of foldable extension ladder.
The utility model is to realize above-mentioned purpose using following technical solution：A kind of foldable extension ladder, feature
It is, it includes the extension ladder being arranged on the overturning cover board of corridor mouth, is connected to corridor mouth and overturns the cover board between cover board
Traction reduction mechanism is provided with extension ladder traction fold mechanism between extension ladder and overturning cover board；Extension ladder includes that two sides are flexible
Bracket and the muti-piece pedal being connected on the telescope support of two sides, telescope support is mainly by the sequentially connected X-shaped crossbar machine of multiple groups
Structure is constituted；Extension ladder traction fold mechanism includes the oscillating rod connecting with extension ladder, is connected between overturning cover board and extension ladder
Reset spring, by the effect of reset spring so that extension ladder is in contraction state in normal state.
As a further illustration of the above scheme, being provided with fixed pedestal, cover board traction reduction mechanism packet on overturning cover board
The link mechanism being connected between fixed pedestal and corridor mouth, spring are included, link mechanism includes swinging bridge, connecting rod one and connecting rod
Two, one end of connecting rod one is connect with corridor mouth, and the other end is even and connecting rod two is hinged, and one end of connecting rod two is connected to overturning cover board
On.
Further, the positioning rod piece up tilted is provided on the fixed pedestal, spring is connected on positioning rod piece.
Further, it overturns and is provided with attachment base corresponding with connecting rod two on cover board, position between rod piece and attachment base
It is connected with reinforcement connecting rod.
Further, described to reinforce the connection ring and the upper and lower bar at the both ends for being divided into connection ring that connecting rod includes middle part
Part.
Further, X-shaped cross rod mechanism includes connecting rod one and connecting rod two arranged in a crossed manner and one shaft of connecting rod
The connecting rod three of connection, connecting rod one and connecting rod two are hinged, and pedal is arranged between the connecting rod one of two sides same level.
Further, the corridor mouth is provided with two sides balustrade.
The utility model is using the attainable beneficial effect of above-mentioned technical solution institute：
The utility model using mainly by be arranged on the overturning cover board of corridor mouth extension ladder, be connected to corridor mouth and turn over
The folding retractable ladder structure that cover board traction reduction mechanism between hub cap plate is constituted is provided between extension ladder and overturning cover board
Extension ladder draws fold mechanism；Extension ladder includes two sides telescope support and the muti-piece pedal that is connected on the telescope support of two sides, is stretched
Contracting bracket is mainly made of the sequentially connected X-shaped cross rod mechanism of multiple groups；Extension ladder traction fold mechanism includes connecting with extension ladder
The oscillating rod connect, the reset spring being connected between overturning cover board and extension ladder, by the effect of reset spring so that extension ladder
It is in contraction state in normal state, use is simple to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Description of symbols：1, corridor mouth 2, overturning cover board 3, extension ladder 3-1, telescope support 3-2, pedal 4, lid
Plate traction reduction mechanism 4-1, it link mechanism 4-2, spring 5, extension ladder traction fold mechanism 5-1, oscillating rod 5-2, resets
Spring 6, positioning rod piece 8, reinforces connecting rod at balustrade 7.
Specific embodiment
The technical program is explained in detail below in conjunction with specific embodiment.
As shown in Figure 1, the utility model is a kind of foldable extension ladder, it includes being arranged on the overturning cover board 2 of corridor mouth 1
Extension ladder 3, be connected to corridor mouth and overturn cover board between cover board traction reduction mechanism 4, extension ladder and overturning cover board between
It is provided with extension ladder traction fold mechanism 5；The corridor mouth is provided with two sides balustrade 6.Extension ladder includes the flexible branch in two sides
The frame 3-1 and muti-piece pedal 3-2 being connected on the telescope support of two sides, telescope support are mainly intersected by the sequentially connected X-shaped of multiple groups
Linkage is constituted；Extension ladder traction fold mechanism 5 includes the oscillating rod 5-1 connecting with extension ladder, is connected to overturning cover board and stretches
Reset spring 5-2 between contracting ladder, by the effect of reset spring so that extension ladder is in contraction state in normal state.It turns over
Fixed pedestal 6 is provided on hub cap plate 2, cover board traction reduction mechanism includes the connecting rod being connected between fixed pedestal and corridor mouth
Mechanism 4-1, spring 4-2, link mechanism include swinging bridge, connecting rod one and connecting rod two, one end of connecting rod one to connect with corridor mouth,
The other end is even and connecting rod two is hinged, and one end of connecting rod two is connected on overturning cover board.It is provided on fixed pedestal and up to tilt
Rod piece 7 is positioned, spring is connected on positioning rod piece.
Further, it overturns and is provided with attachment base corresponding with connecting rod two on cover board, position between rod piece and attachment base
It is connected with and reinforces connecting rod 8.Reinforce connecting rod include middle part connection ring and be divided into connection ring both ends it is upper and lower
Rod piece.
Further, X-shaped cross rod mechanism includes connecting rod one and connecting rod two arranged in a crossed manner and one shaft of connecting rod
The connecting rod three of connection, connecting rod one and connecting rod two are hinged, and pedal is arranged between the connecting rod one of two sides same level.
The utility model compared with prior art, using mainly by be arranged in corridor mouth overturning cover board on extension ladder,
Be connected to corridor mouth and overturn cover board between cover board traction reduction mechanism constitute folding retractable ladder structure, extension ladder with turn over
Extension ladder traction fold mechanism is provided between hub cap plate；Extension ladder includes two sides telescope support and is connected to two sides telescope support
On muti-piece pedal, telescope support is mainly made of the sequentially connected X-shaped cross rod mechanism of multiple groups；Extension ladder draws fold mechanism
Including the oscillating rod connecting with extension ladder, the reset spring being connected between overturning cover board and extension ladder, pass through reset spring
So that extension ladder is in contraction state in normal state, use is simple to operate for effect.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (7)
1. a kind of foldable extension ladder, which is characterized in that it includes the extension ladder being arranged on the overturning cover board of corridor mouth, is connected to
Cover board traction reduction mechanism between corridor mouth and overturning cover board is provided with extension ladder traction and rolls between extension ladder and overturning cover board
Folded mechanism；Extension ladder includes two sides telescope support and the muti-piece pedal that is connected on the telescope support of two sides, telescope support mainly by
The sequentially connected X-shaped cross rod mechanism of multiple groups is constituted；Extension ladder traction fold mechanism includes the oscillating rod connecting with extension ladder, connects
The reset spring being connected between overturning cover board and extension ladder.
2. a kind of foldable extension ladder according to claim 1, which is characterized in that it is provided with fixed pedestal on overturning cover board,
Cover board traction reduction mechanism includes the link mechanism being connected between fixed pedestal and corridor mouth, spring, and link mechanism includes pendulum
Lever frame, connecting rod one and connecting rod two, one end of connecting rod one are connect with corridor mouth, and the other end is even and connecting rod two is hinged, connecting rod two
One end is connected on overturning cover board.
3. a kind of foldable extension ladder according to claim 2, which is characterized in that be provided with past upwarp on the fixed pedestal
The positioning rod piece risen, spring are connected on positioning rod piece.
4. a kind of foldable extension ladder according to claim 1, which is characterized in that be provided with and connecting rod two on overturning cover board
Corresponding attachment base positions and is connected with reinforcement connecting rod between rod piece and attachment base.
5. a kind of foldable extension ladder according to claim 4, which is characterized in that described to reinforce the company that connecting rod includes middle part
It connects ring and is divided into the upper and lower rod piece at the both ends of connection ring.
6. a kind of foldable extension ladder according to claim 1, which is characterized in that X-shaped cross rod mechanism includes arranged in a crossed manner
Connecting rod one and connecting rod two, the connecting rod three that is connect with one shaft of connecting rod, connecting rod one and connecting rod two are hinged, pedal
It is arranged between the connecting rod one of two sides same level.
7. a kind of foldable extension ladder according to claim 1, which is characterized in that the corridor mouth is provided with two sides stair and helps
Hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574837.0U CN208105706U (en) | 2018-04-20 | 2018-04-20 | A kind of foldable extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574837.0U CN208105706U (en) | 2018-04-20 | 2018-04-20 | A kind of foldable extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208105706U true CN208105706U (en) | 2018-11-16 |
Family
ID=64119371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820574837.0U Expired - Fee Related CN208105706U (en) | 2018-04-20 | 2018-04-20 | A kind of foldable extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208105706U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148918A (en) * | 2021-05-19 | 2021-07-23 | 青岛黄海学院 | Automatic extension ladder device for electrical installation and working method thereof |
| CN113978738A (en) * | 2021-12-24 | 2022-01-28 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
-
2018
- 2018-04-20 CN CN201820574837.0U patent/CN208105706U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148918A (en) * | 2021-05-19 | 2021-07-23 | 青岛黄海学院 | Automatic extension ladder device for electrical installation and working method thereof |
| CN113148918B (en) * | 2021-05-19 | 2022-06-03 | 青岛黄海学院 | Automatic extension ladder device for electrical installation and working method thereof |
| CN113978738A (en) * | 2021-12-24 | 2022-01-28 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
| CN113978738B (en) * | 2021-12-24 | 2022-03-11 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |