CN202767864U - Combined type foldable ladder - Google Patents
Combined type foldable ladder Download PDFInfo
- Publication number
- CN202767864U CN202767864U CN 201220500645 CN201220500645U CN202767864U CN 202767864 U CN202767864 U CN 202767864U CN 201220500645 CN201220500645 CN 201220500645 CN 201220500645 U CN201220500645 U CN 201220500645U CN 202767864 U CN202767864 U CN 202767864U
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- terraced
- vertical pole
- ladder
- master
- main
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Abstract
The utility model discloses a combined type foldable ladder. The combined type foldable ladder comprises two main ladders and two auxiliary ladders which can be connected and mounted in combined mode. One end of a short connecting rod is fixedly connected with the top of a main ladder longitudinal rod of one main ladder, the other end of the short connecting rod is in rotating connection with the top of a main ladder longitudinal rod of the other main ladder through a plug pin device, accordingly the two main ladders can be opened and folded, further the main ladder longitudinal rods of the two main ladders can be disassembled and combined, and a width limiting pull rod is composed of at least two rod pieces. The bottom ends of auxiliary ladder longitudinal rods of the two auxiliary ladders are respectively in supporting connection with hinge chains on the upper portions of the main ladder longitudinal rods of the two main ladders, the top ends of the auxiliary ladder longitudinal rods of the two auxiliary ladders are further in rotating connection through pins, and accordingly the two auxiliary ladders can be foldable. The combined type foldable ladder can be folded and unfolded longitudinally and transversally, and coincided parts of the auxiliary ladders and the main ladders can greatly increase using stability.
Description
Technical field
The utility model relates to a kind of folding ladder, relates to simultaneously a kind of dismountable combined type ladder, can be used for the climbing of differing heights occasion.
Background technology
Along with the further lifting of people's quality of life, the complicated individual character that the floor construction becomes is got up, and the decoration the room in and decoration also become and make a lot of variety, and level is not poor.When the decoration that runs into the roof need to be changed, stair just had very large purposes, and early stage ladder generally can not fold, so run into higher local time indoor, will use higher ladder, not only carry the ladder trouble, and occupy large quantity space, sometimes just cannot use at all.The appearance of some folding ladder does not well address this problem yet, and just stair can have been narrowed down, and short transverse does not still well solve.
The problem that can change in short transverse in order to solve stair is all to consider to some extent on the market or in the patent, has represented various folding ladder.In a lot of local appearance, some folding ladder can change different height to folding ladder, can launch and pack up, even can shape change arbitrarily.The movable amplitude of this folding ladder is larger, although use flexibly, the negative effects of bringing is that reliability reduces, and application life is short, and structure is firm not, in the use procedure easily distortion increased unstability.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of Combined folded ladder is provided, and can vertically launch and pack up also and can and pack up at horizontal spreading, and secondary ladder can increase stability in use greatly with the part that main ladder overlaps.
In order to reach the purpose of innovation and creation, design of the present utility model is: after main ladder launched, the user of service can climb different height, not highly the time, merged handle, and latch is pulled out, and main terraced both sides separately.Then launch secondary ladder, after the alignment receptacles, decontrol the handle latch and pass from main ladder and secondary terraced jack, at this moment secondary ladder is fixing.The user of service can secondary ladder climbing arrive higher height.
According to above-mentioned utility model design, the utility model adopts following proposal to be:
A kind of Combined folded ladder, the main ladder that comprising to be connected installs and secondary ladder, described main ladder is comprised of main terraced vertical pole and main terraced cross bar, the bottom of the terraced vertical pole of described master is supported on the terrace, described secondary ladder is comprised of the terraced vertical pole of pair and secondary terraced cross bar, the terraced vertical pole of described pair bottom is connected by supporting hinges with the top of the terraced vertical pole of described master, the terraced vertical pole of described pair is with respect to the collapsible folding of the terraced vertical pole of described master, described main ladder comprises two, one end of a short connecting rod is fixedly connected with the terraced vertical pole of the master top of one of them main ladder, the bolt device that passes through at the terraced vertical pole of the master top of the described short connecting rod other end and another described main ladder is rotationally connected, folding folds between two described main ladders but make, also make between two described main terraced terraced vertical poles of master and can decompose and make up, the limit for width pull bar is comprised of two pole spares at least, be hinged between the adjacent rod member of described limit for width pull bar, the top of described limit for width pull bar and terminal hinged with the Lower Half of the terraced vertical pole of master of two described main ladders respectively, described secondary ladder also comprises two, except the secondary terraced vertical pole bottom of two described secondary ladders respectively with the upper hinge support and connection of the terraced vertical pole of master of two described main ladders, the top of the secondary terraced vertical pole of two described secondary ladders also is rotationally connected by pin, makes between two described secondary ladders also collapsible.
Above-mentioned bolt device comprises latch, spring and handle, described latch comprises two sections split type pins that are arranged at respectively both ends of the spring, two sections described pins all can carry out traveling priority along the flexible direction of described spring, i.e. compression or lax described spring can make two sections described pins along with the flexible direction of described spring is carried out traveling priority, two sections described pins respectively have a free end to plug in the jack of the terraced vertical pole of described master, described handle comprises two handles, two described handles are fixedly connected with described both ends of the spring respectively, when two described handles apply clamping action power, make described spring-compressed, this moment, described latch was extracted from the jack of the terraced vertical pole of described master, the terraced vertical pole of described master is separated with described short connecting rod, obtain the extending space of folding rise or folding storage for the terraced vertical pole of described pair, unclamp two described handle capable of beings described latch is inserted in the jack of the terraced vertical pole of described master, namely form rotating mechanism.
Improvement as technical solutions of the utility model, described bolt device is installed on the terraced cross bar of uppermost described master, be that the terraced cross bar of uppermost described master stage casing is provided with opening, described spring and handle are installed in the described opening, described latch is installed in the terraced cross bar inner chamber of described master of hollow, described opening is greatly to can guarantee that described latch pulls out from the jack of main terraced vertical pole, described opening little to can guarantee described handle can not about freely move about, in order to guarantee described secondary ladder upon deployment, make the terraced vertical pole of described pair be in tightening state.
Further improvement as technical solutions of the utility model, also have the latch of a described bolt device from the terraced vertical pole of described master and secondary terraced vertical pole jack, to plug simultaneously, make the top of described pair terraced vertical pole bottom and the terraced vertical pole of described master be connected to form rotating mechanism by hinge support, the terraced vertical pole of described pair bottom is separated with the top of the terraced vertical pole of described master.
Above-mentioned limit for width pull bar preferably is comprised of two pole spares.
As the further improvement of technical solutions of the utility model, above-mentioned pin forms the secondary terraced cross bar in top of described secondary ladder.
The utility model has following substantive distinguishing features and advantage compared with prior art:
1. the utility model has bolt device can rapid deployment to use folding ladder, and main ladder has one section to overlap distance with secondary ladder, greatly increases the stability in use of folding ladder;
2. when using the utility model Combined folded ladder simply, easily and fast.Bolt device can be located when launching fast, and pull bar also plays the location and increases stable effect;
3. the utility model Combined folded chair uses safety, and is stable, can open like a cork and fold, and can regulate and use height along with the needs of self, to adapt to different working environments and job requirement, occupies usage space seldom.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one Combined folded ladder.
Fig. 2 is the state that the utility model embodiment one Combined folded ladder launches in short transverse.
Fig. 3 is that the utility model embodiment one Combined folded ladder is packed up rear shape.
Fig. 4 is the structural representation of the Combined folded ladder behind the main ladder of the utility model embodiment one of dismantling.
Fig. 5 is the dismounting principle schematic of the utility model embodiment one Combined folded ladder.
The specific embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
Embodiment one:
Referring to Fig. 1～Fig. 4, a kind of Combined folded ladder, the main ladder (2) that comprising to be connected installs and secondary ladder (3), described main ladder (2) is comprised of main terraced vertical pole (7) and main terraced cross bar (11), the bottom of the terraced vertical pole of described master (7) is supported on the terrace, described secondary ladder (3) is comprised of the terraced vertical pole of pair (6) and secondary terraced cross bar (12), the terraced vertical pole of described pair (6) bottom is connected by supporting hinges with the top of the terraced vertical pole of described master (7), the terraced vertical pole of described pair (6) is with respect to the collapsible folding of the terraced vertical pole of described master (7), described main ladder (2) comprises two, one end of a short connecting rod (1) is fixedly connected with the terraced vertical pole of master (7) top of one of them main ladder (2), the bolt device that passes through at the terraced vertical pole of master (7) top of described short connecting rod (1) other end and another described main ladder (2) is rotationally connected, make two described main ladders (2) but between folding folding, also make between the terraced vertical pole of master (7) of two described main ladders (2) and can decompose and make up, limit for width pull bar (4) is comprised of two pole spares, be hinged between the adjacent rod member of described limit for width pull bar (4), the top of described limit for width pull bar (4) and end are hinged with the Lower Half of the terraced vertical pole of master (7) of two described main ladders (2) respectively, described secondary ladder (3) also comprises two, except secondary terraced vertical pole (6) bottom of two described secondary ladders (3) respectively with the upper hinge support and connection of the terraced vertical pole of master (7) of two described main ladders (2), the top of the secondary terraced vertical pole (6) of two described secondary ladders (3) also is rotationally connected by pin (5), makes between two described secondary ladders (3) also collapsible.In the present embodiment, can vertically launch and pack up also and can and pack up at horizontal spreading, secondary ladder (3) can increase stability in use greatly with the part that main ladder (2) overlaps.
In the present embodiment, referring to Fig. 5, bolt device comprises latch (10), spring (8) and handle (9), described latch (10) comprises two sections split type pins that are arranged at respectively spring (8) two ends, two sections described pins all can carry out traveling priority along the flexible direction of described spring (8), i.e. compression or lax described spring (8) can make two sections described pins along with the flexible direction of described spring (8) is carried out traveling priority, two sections described pins respectively have a free end to plug in the jack of the terraced vertical pole of described master (7), described handle (9) comprises two handles, two described handles are fixedly connected with described spring (8) two ends respectively, when two described handles apply clamping action power, make described spring (8) compression, described latch this moment (10) is extracted from the jack of the terraced vertical pole of described master (7), the terraced vertical pole of described master (7) is separated with described short connecting rod (1), obtain the extending space of folding rise or folding storage for the terraced vertical pole of described pair (6), unclamp two described handle capable of beings described latch (10) is inserted in the jack of the terraced vertical pole of described master (7), namely form rotating mechanism.When using the present embodiment Combined folded ladder simply, easily and fast.Bolt device can be located when launching fast, and pull bar also plays the location and increases stable effect.The present embodiment Combined folded chair uses safety, and is stable, can open like a cork and fold, and can regulate and use height along with the needs of self, to adapt to different working environments and job requirement, occupies usage space seldom.
In the present embodiment, referring to Fig. 5, described bolt device is installed on the terraced cross bar of uppermost described master (11), can make structure compacter, be that the terraced cross bar of uppermost described master (11) stage casing is provided with opening, described spring (8) and handle (9) are installed in the described opening, described latch (10) is installed in the terraced cross bar of described master (11) inner chamber of hollow, described opening is greatly to can guarantee that described latch (10) pulls out from the jack of main terraced vertical pole (7), described opening little to can guarantee described handle (9) can not about freely move about, in order to guarantee described secondary ladder (3) upon deployment, make the terraced vertical pole of described pair (6) be in tightening state.
Embodiment two:
The present embodiment and embodiment one are basic identical, and special feature is:
Also have the latch (10) of a described bolt device from the jack of the terraced vertical pole of described master (7) and secondary terraced vertical pole (6), to plug simultaneously, make the top of the terraced vertical pole of described pair (6) bottom and the terraced vertical pole of described master (7) be connected to form rotating mechanism by hinge support, the terraced vertical pole of described pair (6) bottom is separated with the top of the terraced vertical pole of described master (7).Pin (5) forms the secondary terraced cross bar (13) in top of described secondary ladder (3).In the present embodiment, can further increase ladder combination and folding flexibility, use convenient and quick.
The above is illustrated the utility model embodiment by reference to the accompanying drawings; but the utility model is not limited to above-described embodiment; can also make multiple variation according to the purpose that utility model of the present utility model is created; all according to technical solutions of the utility model Spirit Essence and principle under make change, modification, substitute, combination, simplify; all should be the substitute mode of equivalence; as long as meet structure and aufbauprinciple for the utility model Combined folded ladder, all belong to protection domain of the present utility model.
Claims (6)
1. Combined folded ladder, the main ladder (2) that comprising to be connected installs and secondary ladder (3), described main ladder (2) is comprised of main terraced vertical pole (7) and main terraced cross bar (11), the bottom of the terraced vertical pole of described master (7) is supported on the terrace, described secondary ladder (3) is comprised of the terraced vertical pole of pair (6) and secondary terraced cross bar (12), the terraced vertical pole of described pair (6) bottom is connected by supporting hinges with the top of the terraced vertical pole of described master (7), the terraced vertical pole of described pair (6) is with respect to the collapsible folding of the terraced vertical pole of described master (7), it is characterized in that: described main ladder (2) comprises two, one end of a short connecting rod (1) is fixedly connected with the terraced vertical pole of master (7) top of one of them main ladder (2), the bolt device that passes through at the terraced vertical pole of master (7) top of described short connecting rod (1) other end and another described main ladder (2) is rotationally connected, make two described main ladders (2) but between folding folding, also make between the terraced vertical pole of master (7) of two described main ladders (2) and can decompose and make up, limit for width pull bar (4) is comprised of two pole spares at least, be hinged between the adjacent rod member of described limit for width pull bar (4), the top of described limit for width pull bar (4) and end are hinged with the Lower Half of the terraced vertical pole of master (7) of two described main ladders (2) respectively, described secondary ladder (3) also comprises two, except secondary terraced vertical pole (6) bottom of two described secondary ladders (3) respectively with the upper hinge support and connection of the terraced vertical pole of master (7) of two described main ladders (2), the top of the secondary terraced vertical pole (6) of two described secondary ladders (3) also is rotationally connected by pin (5), makes between two described secondary ladders (3) also collapsible.
2. Combined folded according to claim 1 is terraced, it is characterized in that: described bolt device comprises latch (10), spring (8) and handle (9), described latch (10) comprises two sections split type pins that are arranged at respectively spring (8) two ends, two sections described pins all can carry out traveling priority along the flexible direction of described spring (8), i.e. compression or lax described spring (8) can make two sections described pins along with the flexible direction of described spring (8) is carried out traveling priority, two sections described pins respectively have a free end to plug in the jack of the terraced vertical pole of described master (7), described handle (9) comprises two handles, two described handles are fixedly connected with described spring (8) two ends respectively, when two described handles apply clamping action power, make described spring (8) compression, described latch this moment (10) is extracted from the jack of the terraced vertical pole of described master (7), the terraced vertical pole of described master (7) is separated with described short connecting rod (1), obtain the extending space of folding rise or folding storage for the terraced vertical pole of described pair (6), unclamp two described handle capable of beings described latch (10) is inserted in the jack of the terraced vertical pole of described master (7), namely form rotating mechanism.
3. Combined folded according to claim 2 is terraced, it is characterized in that: described bolt device is installed on the terraced cross bar of uppermost described master (11), be that the terraced cross bar of uppermost described master (11) stage casing is provided with opening, described spring (8) and handle (9) are installed in the described opening, described latch (10) is installed in the terraced cross bar of described master (11) inner chamber of hollow, described opening is greatly to can guarantee that described latch (10) pulls out from the jack of main terraced vertical pole (7), described opening little to can guarantee described handle (9) can not about freely move about, in order to guarantee described secondary ladder (3) upon deployment, make the terraced vertical pole of described pair (6) be in tightening state.
4. Combined folded according to claim 2 is terraced, it is characterized in that: also have the latch (10) of a described bolt device from the jack of the terraced vertical pole of described master (7) and secondary terraced vertical pole (6), to plug simultaneously, make the top of the terraced vertical pole of described pair (6) bottom and the terraced vertical pole of described master (7) be connected to form rotating mechanism by hinge support, the terraced vertical pole of described pair (6) bottom is separated with the top of the terraced vertical pole of described master (7).
5. the described Combined folded ladder of any one according to claim 1～4, it is characterized in that: described limit for width pull bar (4) is comprised of two pole spares.
6. the described Combined folded ladder of any one according to claim 1～4 is characterized in that: described pin (5) forms the secondary terraced cross bar (13) in top of described secondary ladder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500645 CN202767864U (en) | 2012-09-28 | 2012-09-28 | Combined type foldable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500645 CN202767864U (en) | 2012-09-28 | 2012-09-28 | Combined type foldable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202767864U true CN202767864U (en) | 2013-03-06 |
Family
ID=47774447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500645 Expired - Fee Related CN202767864U (en) | 2012-09-28 | 2012-09-28 | Combined type foldable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202767864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193997A (en) * | 2016-08-29 | 2016-12-07 | 天津市金锚集团有限责任公司 | Linkage and ladder |
| CN109644968A (en) * | 2018-12-26 | 2019-04-19 | 青州市奥森农业装备有限公司 | A kind of boom sprayer of intelligent control sprinkling |
| WO2021053590A1 (en) * | 2019-09-18 | 2021-03-25 | Werner Co | Step ladder pivot and lock mechanism |
-
2012
- 2012-09-28 CN CN 201220500645 patent/CN202767864U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193997A (en) * | 2016-08-29 | 2016-12-07 | 天津市金锚集团有限责任公司 | Linkage and ladder |
| CN109644968A (en) * | 2018-12-26 | 2019-04-19 | 青州市奥森农业装备有限公司 | A kind of boom sprayer of intelligent control sprinkling |
| WO2021053590A1 (en) * | 2019-09-18 | 2021-03-25 | Werner Co | Step ladder pivot and lock mechanism |
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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: 20130306 Termination date: 20130928 |