CN202788592U - Safety type extending ladder - Google Patents
Safety type extending ladder Download PDFInfo
- Publication number
- CN202788592U CN202788592U CN 201220519728 CN201220519728U CN202788592U CN 202788592 U CN202788592 U CN 202788592U CN 201220519728 CN201220519728 CN 201220519728 CN 201220519728 U CN201220519728 U CN 201220519728U CN 202788592 U CN202788592 U CN 202788592U
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- CN
- China
- Prior art keywords
- ladder
- extension ladder
- supporting leg
- cleat stanchion
- support frame
- 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 safety type extending ladder. The safety type extending ladder comprises the extending ladder and a ladder assembly, wherein the extending ladder comprises two ladder pillars, the ladder pillars comprise cascaded ladder pillar segments, a ladder pillar segment locking device is arranged between the two adjacent ladder pillar segments, and transverse ladder plates are connected between the two cascaded ladder pillar segments which are arranged in parallel; the ladder assembly comprises a vertical support frame and a transverse support frame, a connecting angle adjusting device is arranged between the vertical support frame and the transverse support frame, and the vertical support frame and the transverse support frame are extending rods; an extending ladder support device is arranged on the upper end of the vertical support frame, support legs are arranged on the lower end of the vertical support frame, and a support leg locking device is arranged between each support leg and the vertical support frame; and an extending ladder positioning device is arranged at one end of the transverse support frame. According to the safety type extending ladder, the height of the ladder can be adjusted; due to the flexibility of the vertical support frame and the transverse support frame, the vertical support frame and the transverse support frame are matched with the ladder to be used for supporting; and the stability of the ladder assembly can be enhanced by the support legs, the defect that the conventional ladder needs to lean against a fixture is solved by virtue of the support legs, the use is relatively flexible, and the extending ladder and the ladder assembly can be respectively compressed and folded when the extending ladder and the ladder assembly are not used, so that the storing and using spaces are reduced.
Description
Technical field
The utility model relates to a kind of ladder, relates in particular to a kind of safe extension ladder that uses.
Background technology
The ladder that uses at present mainly contains two kinds of structures, and a kind of is to utilize two long bars as ladder side, is installed with some horizontal gangboards between two ladder sides, and the shortcoming of this ladder is to rely on fixture to erect, with the safety that guarantees to use; For the another kind of ladder that overcome above-mentioned shortcoming outlet, i.e. " people " font ladder, can independently erect, no longer need to rely on fixture, but this ladder length is relatively fixing, is not easy to storage, carries or transport, and can take larger space, when carrying, also have certain potential safety hazard, as the inconvenience of turning is met pedestrian or object easily.
The utility model content
Technical problem to be solved in the utility model provides a kind of safety type extension ladder easy to use, portable.
For solving the problems of the technologies described above, the technical solution of the utility model is: the safety type extension ladder, the ladder that comprises extension ladder and the described extension ladder of support, described extension ladder comprises two cleat stanchions that be arranged in parallel, described cleat stanchion comprises at least two serial connection cleat stanchion sections that width is different, be provided with cleat stanchion section locking device between the adjacent two described serial connection cleat stanchion sections, be connected with horizontal gangboard between the two described serial connection cleat stanchion sections that be arranged in parallel; Described ladder comprises vertical supporting frame and the cross binding frame that is rotationally connected, and the junction of described vertical supporting frame and cross binding frame is provided with the connection angle adjusting device, and described vertical supporting frame and cross binding frame are set to respectively expansion link; Described vertical supporting frame upper end is rotatablely equipped with the extension ladder bracing or strutting arrangement, and described vertical supporting frame lower end is movably installed with supporting leg, is provided with the supporting leg locking device between described supporting leg and the described vertical supporting frame; Described cross binding frame is movably installed with the extension ladder positioner away from an end of described vertical supporting frame.
As preferred technical scheme, described cleat stanchion section locking device comprises the cleat stanchion section pin-and-hole that two described serial connection cleat stanchion section links are provided with, and cleat stanchion section grafting pin passes described cleat stanchion section pin-and-hole and connects two described serial connection cleat stanchion sections.
As preferred technical scheme, described connection angle adjusting device comprises the arc that detachably is installed between described vertical supporting frame and the cross binding frame, and described arc is provided be used to the anti-down teeth that prevent that described vertical supporting frame from toppling over.
As preferred technical scheme, described extension ladder bracing or strutting arrangement comprises the support rail that is movably arranged on described vertical supporting frame end section, and described support rail both ends are provided with respectively be used to the stop collar that is set with described cleat stanchion upper end.
As preferred technical scheme, described supporting leg is set to three, and the angle between the described supporting leg is 120 °.
As preferred technical scheme, described supporting leg locking device comprises the supporting leg master lock tieholen that is arranged on the described supporting leg and is arranged on supporting leg secondary lock tieholen on the described vertical supporting frame, passes described supporting leg master lock tieholen and supporting leg secondary lock tieholen is provided with the supporting leg locking pin.
As to improvement of the technical scheme, described extension ladder positioner comprises the location arc plate that is installed in described cross binding frame end section.
Owing to adopted technique scheme, the safety type extension ladder, the ladder that comprises extension ladder and the described extension ladder of support, described extension ladder comprises two cleat stanchions that be arranged in parallel, described cleat stanchion comprises at least two serial connection cleat stanchion sections that width is different, be provided with cleat stanchion section locking device between the adjacent two described serial connection cleat stanchion sections, be connected with horizontal gangboard between the two described serial connection cleat stanchion sections that be arranged in parallel; Described ladder comprises vertical supporting frame and the cross binding frame that is rotationally connected, and the junction of described vertical supporting frame and cross binding frame is provided with the connection angle adjusting device, and described vertical supporting frame and cross binding frame are set to respectively expansion link; Described vertical supporting frame upper end is rotatablely equipped with the extension ladder bracing or strutting arrangement, and described vertical supporting frame lower end is movably installed with supporting leg, is provided with the supporting leg locking device between described supporting leg and the described vertical supporting frame; Described cross binding frame is movably installed with the extension ladder positioner away from an end of described vertical supporting frame; The beneficial effects of the utility model are: the cleat stanchion of extension ladder can stretch, realize the height adjusting of ladder, vertical supporting frame and the cross binding frame of ladder also can stretch, use to cooperate ladder to support, supporting leg can be strengthened the stability of ladder, with the safety that guarantees to use, the utility model has overcome traditional ladder and has used the shortcoming that must rely on fixed buildings, use more flexibly, when not using, extension ladder and ladder can be compressed respectively and pack up, store the space of use with minimizing.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment ladder;
Among the figure: the 1-cleat stanchion; 2-serial connection cleat stanchion section; The horizontal gangboard of 3-; 4-cleat stanchion section is pegged graft and is sold; 5-vertical supporting frame; 6-cross binding frame; The 7-arc; The anti-down teeth of 8-; The 9-support rail; The 10-stop collar; The 11-supporting leg; 12-supporting leg locking pin; 13-location arc plate.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.
As shown in Figure 1, the safety type extension ladder comprises extension ladder and the ladder that supports described extension ladder, is provided with ladder, makes extension ladder no longer rely on fixed buildings to use, and has strengthened the flexibility that extension ladder uses.Described extension ladder comprises two cleat stanchions that be arranged in parallel 1, described cleat stanchion 1 comprises at least two serial connection cleat stanchion sections 2 that width is different, be provided with cleat stanchion section locking device between the adjacent two described serial connection cleat stanchion sections 2, be connected with horizontal gangboard 3 between the two described serial connection cleat stanchion sections 2 that be arranged in parallel, described cleat stanchion section locking device mainly comprises the cleat stanchion section pin-and-hole that two described serial connection cleat stanchion section 2 links are provided with, cleat stanchion section grafting pin 4 passes described cleat stanchion section pin-and-hole and connects two described serial connection cleat stanchion sections 2, in use ladder is stretched out, and fix with cleat stanchion section two the serial connection cleat stanchion sections 2 that pin 4 will be adjacent of pegging graft, with the safety that guarantees use and the load-bearing effect of extension ladder; The pin 4 of when inapplicable the cleat stanchion section being pegged graft disassembles, and the extension ladder compression is put well get final product, and helps to reduce the storage area.
Shown in Fig. 1 and 2, described ladder comprises vertical supporting frame 5 and the cross binding frame 6 that is rotationally connected, when not using, the junction of cross binding frame 6 along itself and vertical supporting frame 5 rotated up to closing up with vertical supporting frame 5, can further reduce the storage area.Described vertical supporting frame 5 and cross binding frame 6 are set to respectively expansion link, and are respectively equipped with flexible alignment pin on the expansion link, and to realize both stretching, extension locking, ladder can be realized the stretching, extension of vertical and horizontal both direction, to adapt to the use of extension ladder.The junction of described vertical supporting frame 5 and cross binding frame 6 is provided with the connection angle adjusting device, described connection angle adjusting device comprises the arc 7 that detachably is installed between described vertical supporting frame 5 and the cross binding frame 6, described arc 7 is provided be used to the anti-down teeth 8 that prevent that described vertical supporting frame 5 from toppling over, to guarantee forming fixing angle between vertical supporting frame 5 and the cross binding frame 6, prevent that both from drawing close phenomenon because of the pressure of extension ladder, help to improve the stability of ladder, and then guarantee the safety that extension ladder uses.
Present embodiment is rotatablely equipped with the extension ladder bracing or strutting arrangement in described vertical supporting frame 5 upper ends, described extension ladder bracing or strutting arrangement comprises the support rail 9 that is movably arranged on described vertical supporting frame 5 ends, described support rail 9 both ends are provided with respectively be used to the stop collar 10 that is set with described cleat stanchion 1 upper end, support rail 9 can be set to the pentagonal prism structure, to guarantee the flexibility of its rotation, to adapt to the direction of adjusting extension ladder, be convenient to the location of extension ladder bottom.
Be movably installed with supporting leg 11 in described vertical supporting frame 5 lower ends, be provided with the supporting leg locking device between described supporting leg 11 and the described vertical supporting frame 5, described supporting leg 11 can be set to three, and the angle between the described supporting leg 11 is 120 °, the magnitude setting of supporting leg 11 can arrange voluntarily according to the actual needs that the user uses, and is not subjected to the restriction of present embodiment.Described supporting leg locking device comprises the supporting leg master lock tieholen that is arranged on the described supporting leg 11 and the supporting leg secondary lock tieholen that is arranged on the described vertical supporting frame 5, pass described supporting leg master lock tieholen and supporting leg secondary lock tieholen is provided with supporting leg locking pin 12, realize being connected and fixed of supporting leg 11 and vertical supporting frame 5.
Described cross binding frame 6 is movably installed with the extension ladder positioner away from an end of described vertical supporting frame 5, described extension ladder positioner comprises the location arc plate 13 that is installed in described cross binding frame 6 ends, location arc plate 13 is used for carrying horizontal gangboard 3 during use, realize the spacing of extension ladder bottom, prevent that extension ladder from moving.The location arc plate 13 of extension ladder bottom can rotate along cross binding frame 6, conveniently to store use.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the manual just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. the safety type extension ladder comprises extension ladder and the ladder that supports described extension ladder, it is characterized in that:
Described extension ladder comprises two cleat stanchions that be arranged in parallel, described cleat stanchion comprises at least two serial connection cleat stanchion sections that width is different, be provided with cleat stanchion section locking device between the adjacent two described serial connection cleat stanchion sections, be connected with horizontal gangboard between the two described serial connection cleat stanchion sections that be arranged in parallel;
Described ladder comprises vertical supporting frame and the cross binding frame that is rotationally connected, and the junction of described vertical supporting frame and cross binding frame is provided with the connection angle adjusting device, and described vertical supporting frame and cross binding frame are set to respectively expansion link; Described vertical supporting frame upper end is rotatablely equipped with the extension ladder bracing or strutting arrangement, and described vertical supporting frame lower end is movably installed with supporting leg, is provided with the supporting leg locking device between described supporting leg and the described vertical supporting frame; Described cross binding frame is movably installed with the extension ladder positioner away from an end of described vertical supporting frame.
2. safety type extension ladder as claimed in claim 1, it is characterized in that: described cleat stanchion section locking device comprises the cleat stanchion section pin-and-hole that two described serial connection cleat stanchion section links are provided with, the cleat stanchion section pin of pegging graft passes described cleat stanchion section pin-and-hole and connects two described serial connection cleat stanchion sections.
3. safety type extension ladder as claimed in claim 2, it is characterized in that: described connection angle adjusting device comprises the arc that detachably is installed between described vertical supporting frame and the cross binding frame, and described arc is provided be used to the anti-down teeth that prevent that described vertical supporting frame from toppling over.
4. safety type extension ladder as claimed in claim 1 or 2, it is characterized in that: described extension ladder bracing or strutting arrangement comprises the support rail that is movably arranged on described vertical supporting frame end section, and described support rail both ends are provided with respectively be used to the stop collar that is set with described cleat stanchion upper end.
5. safety type extension ladder as claimed in claim 4, it is characterized in that: described supporting leg is set to three, and the angle between the described supporting leg is 120 °.
6. safety type extension ladder as claimed in claim 5, it is characterized in that: described supporting leg locking device comprises the supporting leg master lock tieholen that is arranged on the described supporting leg and is arranged on supporting leg secondary lock tieholen on the described vertical supporting frame, passes described supporting leg master lock tieholen and supporting leg secondary lock tieholen is provided with the supporting leg locking pin.
7. safety type extension ladder as claimed in claim 6 is characterized in that: described extension ladder positioner comprises the location arc plate that is installed in described cross binding frame end section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519728 CN202788592U (en) | 2012-10-11 | 2012-10-11 | Safety type extending ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519728 CN202788592U (en) | 2012-10-11 | 2012-10-11 | Safety type extending ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788592U true CN202788592U (en) | 2013-03-13 |
Family
ID=47815868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519728 Expired - Fee Related CN202788592U (en) | 2012-10-11 | 2012-10-11 | Safety type extending ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202788592U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712246A (en) * | 2013-12-17 | 2015-06-17 | 富泰华工业（深圳）有限公司 | Telescopic ladder |
| CN105443029A (en) * | 2015-12-14 | 2016-03-30 | 国家电网公司 | Insulation ladder reliable to use |
| CN108049798A (en) * | 2017-12-15 | 2018-05-18 | 潘跃进 | Unilateral extension ladder rear support frame |
| CN110374490A (en) * | 2019-07-29 | 2019-10-25 | 浦江概念五金科技有限公司 | A kind of folded ladder |
| CN111894438A (en) * | 2020-07-09 | 2020-11-06 | 赵徐炳 | High security gardens ladder convenient to use |
| CN111908386A (en) * | 2020-07-08 | 2020-11-10 | 国网山东省电力公司济南市济阳区供电公司 | Portable aerial working platform |
-
2012
- 2012-10-11 CN CN 201220519728 patent/CN202788592U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712246A (en) * | 2013-12-17 | 2015-06-17 | 富泰华工业（深圳）有限公司 | Telescopic ladder |
| CN104712246B (en) * | 2013-12-17 | 2016-06-29 | 富泰华工业（深圳）有限公司 | Extension ladder |
| CN105443029A (en) * | 2015-12-14 | 2016-03-30 | 国家电网公司 | Insulation ladder reliable to use |
| CN105443029B (en) * | 2015-12-14 | 2017-03-22 | 国家电网公司 | Insulation ladder reliable to use |
| CN108049798A (en) * | 2017-12-15 | 2018-05-18 | 潘跃进 | Unilateral extension ladder rear support frame |
| CN110374490A (en) * | 2019-07-29 | 2019-10-25 | 浦江概念五金科技有限公司 | A kind of folded ladder |
| CN110374490B (en) * | 2019-07-29 | 2020-06-09 | 浦江概念五金科技有限公司 | Folding ladder |
| CN111908386A (en) * | 2020-07-08 | 2020-11-10 | 国网山东省电力公司济南市济阳区供电公司 | Portable aerial working platform |
| CN111894438A (en) * | 2020-07-09 | 2020-11-06 | 赵徐炳 | High security gardens ladder convenient to use |
| CN111894438B (en) * | 2020-07-09 | 2022-04-08 | 金环 | High security gardens ladder convenient to use |
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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: 20130313 Termination date: 20131011 |