CN204609750U - A kind of bottom has stretching of transverse support bar and draws ladder - Google Patents
A kind of bottom has stretching of transverse support bar and draws ladder Download PDFInfo
- Publication number
- CN204609750U CN204609750U CN201520283816.XU CN201520283816U CN204609750U CN 204609750 U CN204609750 U CN 204609750U CN 201520283816 U CN201520283816 U CN 201520283816U CN 204609750 U CN204609750 U CN 204609750U
- Authority
- CN
- China
- Prior art keywords
- ladder
- stretch
- support bar
- transverse support
- landing leg
- 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 discloses a kind of bottom there is stretching of transverse support bar to draw ladder, comprise symmetrically arranged stretch draw ladder group one and stretch draw ladder group two, described stretch draw ladder group one and described in stretch draw ladder group two between by some pedals be connected, wherein, described stretch draw ladder group one and stretch draw ladder group two bottoms be equipped with landing leg, be connected by transverse support bar between described landing leg.The beneficial effects of the utility model: by stretch draw terraced bottom between landing leg one and landing leg two, transverse support bar is set, improve overall structure stability, it is safer, reliable, convenient to use, and meanwhile, structure is advantages of simple more, and cost is lower.
Description
Technical field
The utility model relates to ladder technical field, specifically, relates to a kind of bottom and has stretching of transverse support bar and draw ladder.
Background technology
People use ladder to realize work high above the ground, ladder can be divided into fixed ladder to draw ladder with stretching, fixed ladder is applicable to the place that space is large, visitors flowrate is large, frequency of utilization is high, but the occasion of above-mentioned condition is not possessed at some, as when repairing circuit or when the small space such as family uses, just needing can the ladder of stretching type.At present, there is certain potential safety hazard in structural instability after stretching on market draws ladder to stretch.
For the problem in correlation technique, at present effective solution is not yet proposed.
Utility model content
The purpose of this utility model is to provide a kind of bottom to be had stretching of transverse support bar and draws ladder, can improve structural stability, ensure job safety.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of bottom has stretching of transverse support bar and draws ladder, comprise symmetrically arranged stretch draw ladder group one and stretch draw ladder group two, described stretch draw ladder group one and described in stretch draw ladder group two between by some pedals be connected, wherein, described stretch draw ladder group one and stretch draw ladder group two bottoms be equipped with landing leg, be connected by transverse support bar between described landing leg.
Further, stretching described in draw ladder group one and stretch draws ladder group two tops to be arranged in terraced case.
Further, described stretch draw ladder group one and described in stretch and draw ladder group two to comprise some ladder groups one and some ladder groups two respectively, described ladder group one includes pedal connector one and the pedal connector two of symmetric hinged, described ladder group two includes pedal connector three and the pedal connector four of symmetric hinged, described some pedal connectors one, described some pedal connectors two, order hinge is between described some pedal connectors three and described some pedal connectors four, wherein, interface one is equipped with between described pedal connector one and described pedal connector two, interface two is equipped with between described pedal connector three and described pedal connector four, described pedal is arranged between described interface one and described interface two.
Further, described landing leg comprises and the landing leg one of described bottom pedal connector one hinge and the triple hinged landing leg two of described bottom pedal connector, wherein, connecting rod one is equipped with between described landing leg one and described pedal connector two and between described landing leg two and described pedal connector four, further, described transverse support bar is arranged between described landing leg one and described landing leg two.
Further, described pedal connector one, described pedal connector two, described pedal connector three and described pedal connector four are class S type gusset piece, and, described interface one is positioned at the symmetrical centre of described pedal connector one and described pedal connector two, and interface two is positioned at the symmetrical centre of described pedal connector three and described pedal connector four.
Further, between described landing leg with described transverse support bar for being threaded.
Further, bottom described terraced case, be connected with base plate, described base plate be provided with two with described stretch draw ladder organize one and described in stretch to draw and terraced organize two bracing or strutting arrangements matched.
Further, described bracing or strutting arrangement comprises and is arranged on the bearing on described base plate and the connecting rod two with described bearing hinge, described connecting rod two other end is arranged on described interface one/described interface two place, and described base plate is positioned at and tiltingly below described connecting rod two has pole.
Further, described connecting rod two is also provided with expansion link, described expansion link top is arranged in described terraced case.
The beneficial effects of the utility model: by having stretching to draw between the landing leg one of terraced bottom and landing leg two and arranging transverse support bar of transverse support bar in bottom, the structural stability of stretching and drawing ladder overall can be increased, making bottom have stretching of transverse support bar draws ladder more safe and reliable, use convenient, simultaneously, structure is more simple, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be bottom according to the utility model embodiment there is transverse support bar stretch the lateral view drawing ladder;
Fig. 2 is A place lateral view in Fig. 1;
Fig. 3 is A place close-up schematic view in Fig. 1;
Fig. 4 is B place close-up schematic view in Fig. 1.
In figure:
1, stretch draw ladder group one; 2, stretch draw ladder group two; 3, ladder group one; 4, ladder group two; 5, pedal connector one; 6, pedal connector two; 7, pedal connector three; 8, pedal connector four; 9, interface one; 10, interface two; 11, expansion link; 12, pedal; 13, terraced case; 14, landing leg; 15, connecting rod one; 16, transverse support bar; 17, base plate; 18, bracing or strutting arrangement; 19, bearing; 20, connecting rod two; 21, pole; 22, landing leg one; 23, landing leg two; 24, bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As Figure 1-4, a kind of bottom according to the utility model embodiment has stretching of transverse support bar and draws ladder, comprise symmetrically arranged stretch draw ladder group 1 and stretch draw ladder group 22, described stretch draw ladder group 1 and described in stretch draw ladder group 22 between by some pedals be connected 12, wherein, described stretch draw ladder group 1 and stretch draw ladder group 22 bottoms be equipped with landing leg 14, be connected by transverse support bar 16 between described landing leg 14.
In one embodiment, stretching described in draw ladder group 1 and stretch draws ladder group 22 tops to be arranged in terraced case 13.
In one embodiment, described stretch draw ladder group 1 and described in stretch and draw ladder group 22 to comprise some ladder groups 1 and some ladder groups 24 respectively, described ladder group 1 includes pedal connector 1 and the pedal connector 26 of symmetric hinged, described ladder group 24 includes pedal connector 37 and the pedal connector 48 of symmetric hinged, described some pedal connectors 1, described some pedal connectors 26, order hinge is between described some pedal connectors 37 and described some pedal connectors 48, wherein, interface 1 is equipped with between described pedal connector 1 and described pedal connector 26, interface 2 10 is equipped with between described pedal connector 37 and described pedal connector 48, described pedal 12 is arranged between described interface 1 and described interface 2 10.
In one embodiment, described landing leg 14 comprises the landing leg 2 23 with the landing leg 1 of described bottom pedal connector 1 hinge and described bottom pedal connector 37 hinge, wherein, connecting rod 1 is equipped with between described landing leg 1 and described pedal connector 26 and between described landing leg 2 23 and described pedal connector 48, further, described transverse support bar 16 is arranged between described landing leg 1 and described landing leg 2 23.
In one embodiment, described pedal connector 1, described pedal connector 26, described pedal connector 37 and described pedal connector 48 are class S type gusset piece, and, described interface 1 is positioned at the symmetrical centre of described pedal connector 1 and described pedal connector 26, and interface 2 10 is positioned at the symmetrical centre of described pedal connector 37 and described pedal connector 48.
In one embodiment, between described landing leg 14 with described transverse support bar 16 for being threaded.
In one embodiment, bottom described terraced case 13, be connected with base plate 17, described base plate 17 be provided with two with described stretch draw ladder organize 1 and described in stretch to draw and terraced organize 22 bracing or strutting arrangements matched 18.
In one embodiment, described bracing or strutting arrangement 18 comprises and is arranged on the bearing 19 on described base plate 17 and the connecting rod 2 20 with described bearing 19 hinge, described connecting rod 2 20 other end is arranged on interface 2 10 place described in described interface 1, and described base plate 17 is positioned at and tiltingly below described connecting rod 2 20 has pole 21.
In one embodiment, described connecting rod 2 20 is also provided with expansion link 11, described expansion link 11 top is arranged in described terraced case 13.
Conveniently understand technique scheme of the present utility model, below by way of in concrete mode of occupation, technique scheme of the present utility model is described in detail.
When specifically using, according to bottom described in the utility model, there is stretching of transverse support bar and draw ladder, to stretch to draw ladder group 1 and stretch and draw pull-out in ladder group 22 slave ladder case 13, adjustment bracing or strutting arrangement 18 and stretching draws ladder organize one 1 and stretch and draw the terraced relative position organized between 22, thus adjustment ladder angle, after increasing transverse support bar 16 between landing leg 1 and landing leg 2 23, the stability of ladder is improved.Landing leg 1, connecting rod 1, transverse support bar 22 are directly connected by bolt 24.
In sum, by means of technique scheme of the present utility model, by having stretching to draw between the landing leg 1 of terraced bottom and landing leg 2 23 and arranging transverse support bar 16 of transverse support bar in bottom, the structural stability of stretching and drawing ladder overall can be increased, making bottom have stretching of transverse support bar draws ladder more safe and reliable, uses convenient, simultaneously, structure is more simple, and cost is lower.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a bottom has stretching of transverse support bar and draws ladder, comprise symmetrically arranged stretch draw ladder group one (1) and stretch draw ladder group two (2), described stretch draw ladder group one (1) and described in stretch draw ladder group two (2) between by some pedals be connected (12), wherein, described stretch draw ladder group one (1) and stretch draw ladder group two (2) bottoms be equipped with landing leg (14), it is characterized in that, be connected by transverse support bar (16) between described landing leg (14).
2. bottom according to claim 1 has stretching of transverse support bar and draws ladder, it is characterized in that, described in stretch to draw ladder group one (1) and stretch and draw ladder group two (2) tops to be arranged in terraced case (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283816.XU CN204609750U (en) | 2015-05-05 | 2015-05-05 | A kind of bottom has stretching of transverse support bar and draws ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283816.XU CN204609750U (en) | 2015-05-05 | 2015-05-05 | A kind of bottom has stretching of transverse support bar and draws ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204609750U true CN204609750U (en) | 2015-09-02 |
Family
ID=53962321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520283816.XU Expired - Fee Related CN204609750U (en) | 2015-05-05 | 2015-05-05 | A kind of bottom has stretching of transverse support bar and draws ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204609750U (en) |
-
2015
- 2015-05-05 CN CN201520283816.XU patent/CN204609750U/en not_active Expired - Fee Related
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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: 20150902 Termination date: 20200505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |