CN208294411U - A kind of adjusting leg extension ladder - Google Patents
A kind of adjusting leg extension ladder Download PDFInfo
- Publication number
- CN208294411U CN208294411U CN201820574811.6U CN201820574811U CN208294411U CN 208294411 U CN208294411 U CN 208294411U CN 201820574811 U CN201820574811 U CN 201820574811U CN 208294411 U CN208294411 U CN 208294411U
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- China
- Prior art keywords
- ladder
- shell
- manhole
- leg
- adjusting leg
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- 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.)
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Abstract
The utility model discloses a kind of adjusting leg extension ladders, comprising: ladder ontology；Ladder ontology, that is, the manhole ladder；The manhole ladder includes: predecessor and rear body；The predecessor is connected with the upper end of rear body by manhole ladder hinges；The outside of the manhole ladder is equipped with outside staircase；The outside staircase includes: adjustable ladder leg and the step that is arranged between two ladder legs；A ladder leg is provided on each ladder pillar of the manhole ladder；The front end or rear end of interior halfpace rank is arranged in the step of the outside staircase；The ladder leg includes: shell；The adjusting leg that can be moved up and down inside the shell is equipped in the shell；The shell is slidably disposed on the outside of manhole ladder pillar；It is equipped with interior outside staircase between the upper end and manhole ladder pillar of the shell and unlocks hinge, hound is equipped between lower end and manhole ladder pillar.It is easy to use by the above-mentioned means, the utility model structure is simple, can adapt to complex environment, limit and unlock it is simple and quick, and enhance whole ladder use it is safe.
Description
Technical field
The utility model relates to a kind of improvement of extension ladder, in particular to a kind of structure is simple, easy to use, can adapt to
Complex environment, limit and unlock it is simple and quick, and enhance it is whole ladder use safe adjusting leg extension ladder.
Background technique
In the use environment of industrial ladder, Land leveling can not be completely secured, generally require on sculpted ground
Ladder is used on face, therefore adjustable flexible leg mechanism is installed additional to ladder, can expand the application space of ladder significantly.
Utility model content
The utility model is easy to use mainly solving the technical problems that provide a kind of structure simple, can adapt to complexity
Environment, limit and unlock it is simple and quick, and enhance it is whole ladder use safe adjusting leg extension ladder.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of adjusting leg extension ladder, comprising: ladder
Ontology；Ladder ontology, that is, the manhole ladder；The manhole ladder includes: predecessor and rear body；The upper end of the predecessor and rear body passes through manhole ladder
Hinges connection；The outside of the manhole ladder is equipped with outside staircase；The outside staircase includes: adjustable ladder leg and is arranged in two ladders
Step between sub- leg；A ladder leg is provided on each ladder pillar of the manhole ladder；The step setting of the outside staircase exists
The front end or rear end of manhole ladder step；The ladder leg includes: shell；The tune that can be moved up and down inside the shell is equipped in the shell
Save leg；The shell is slidably disposed on the outside of manhole ladder pillar；It is equipped between the upper end and manhole ladder pillar of the shell inside and outside
Ladder unlock hinge, is equipped with hound between lower end and manhole ladder pillar.
Preferably, adjustable lock is equipped between the shell and adjusting leg.
Preferably, the leg lower part that adjusts is located at the lower end of shell equipped with pedal；The pedal is in inverted L-shaped.
Preferably, the shell includes: upper and lower part；The outer casing underpart is inclined on shell upper lower end.
Preferably, the adjusting leg is equipped with castor.
The beneficial effects of the utility model are: a kind of adjusting leg extension ladder described in the utility model, structure is simple, uses
It is convenient, can adapt to complex environment, limit and unlock it is simple and quick, and enhance whole ladder use it is safe.
Detailed description of the invention
Technical solutions of the utility model are described further with reference to the accompanying drawing:
Attached drawing 1 is the structural schematic diagram described in the utility model for adjusting leg extension ladder.
Wherein: 1, manhole ladder；2, pedal；3, manhole ladder hinges；4, outside staircase；5, ladder leg；6, shell；7, leg is adjusted；8,
Adjust lock；9, interior outside staircase unlocks hinge；10, hound.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Referring to Fig. 1, the utility model includes:
In order to solve the above technical problems, the technical solution that the utility model uses is a kind of 7 extension ladder of adjusting leg, packet
It includes: ladder ontology；Ladder ontology, that is, the manhole ladder 1；The manhole ladder 1 includes: predecessor and rear body；The upper end of the predecessor and rear body
It is connected by manhole ladder hinges 3；The outside of the manhole ladder 1 is equipped with outside staircase 4；The outside staircase 4 includes: adjustable ladder leg 5
And the step being arranged between two ladder legs 5；A ladder leg 5 is provided on each ladder pillar of the manhole ladder 1；Institute
The front end or rear end of 1 step of manhole ladder is arranged in the step for stating outside staircase 4；The ladder leg 5 includes: shell 6；It is set in the shell 6
There is the adjusting leg 7 that can be moved up and down in shell 6；Adjustable lock 8 is equipped between the shell 6 and adjusting leg 7；The shell
6 include: upper and lower part；6 lower tilt of shell is arranged on 6 top lower end of shell；The shell 6 is slidably set
It sets on the outside of 1 pillar of manhole ladder；Between 1 pillar of upper end and manhole ladder of the shell 6 be equipped with interior outside staircase unlock hinge 9, lower end with
Hound 10 is equipped between 1 pillar of manhole ladder.
7 lower part of leg that adjusts is located at the lower end of shell 6 equipped with pedal 2；The pedal 2 is in inverted L-shaped；The adjusting leg 7
It is equipped with castor.
It includes: aluminium sheet that the adjusting, which latches 8 to include:,；The aluminium sheet is equipped with adjustment hole；The aluminium sheet is equipped with can be along aluminium
The lock pedestal that plate slides up and down；The lock pedestal front end is equipped with pedestal cover board；Between the lock pedestal and pedestal cover board
Equipped with sliding block；It is located above sliding block on the lock pedestal and is equipped with locking plate and fixation hole；The locking plate is equipped with convex block；Institute
Convex block is stated to be arranged in fixation hole；The lock pedestal is fixed in adjustment hole by convex block keeps it fixed on aluminium sheet；It is described
Locking plate lower end is obliquely installed；The upper end of slide block corresponds to locking plate lower end equipped with inclined-plane；Two sides on the lock pedestal are respectively provided with
First groove；Two sides on the sliding block positioned at inclined-plane are respectively provided with the second groove；The upper end of second groove is higher than on inclined-plane
End；The lower end of second groove is equipped with boss；The lower end in the first groove is arranged in the boss；Second groove
Upper end is flushed with the upper end of the first groove；Spring is equipped in second groove；The upper end half and the first groove of the spring
Upper-end contact, the upper-end contact of the other half and the second groove；The lower end of the spring is arranged on boss；The front end of the locking plate
Equipped with spring leaf；The spring leaf is in inverted V type；Described spring leaf one end is fixed on pedestal cover board, and the other end is contacted with locking plate.
It adjusts and latches 8 in use, the past pull-up of sliding block lifts lock by hand, sliding aluminium sheet can be slided in pedestal latching
Dynamic, unclamping hand sliding block spring resets sliding block, and lock spring leaf resets lock, is stuck in sliding aluminium sheet slot and completes to adjust.
7 extension ladder of this adjusting leg will can be adjusted easily in use, by trampling the inverted L-shaped pedal 2 adjusted on leg 7
Leg 7 pulls out；Release lever is slided, adjusting leg 7 will withdraw in shell 6；Outside staircase unlocks hinge 9 in opening, and shell 6 is scalable prolongs
It stretches；Open manhole ladder hinges 3, the spreading angle of tunable integer ladder.
The beneficial effects of the utility model are: a kind of adjusting leg extension ladder described in the utility model, structure is simple, uses
It is convenient, can adapt to complex environment, limit and unlock it is simple and quick, and enhance whole ladder use it is safe.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (5)
1. a kind of adjusting leg extension ladder, it is characterised in that: include: ladder ontology；Ladder ontology, that is, the manhole ladder；The manhole ladder packet
It includes: predecessor and rear body；The predecessor is connected with the upper end of rear body by manhole ladder hinges；The outside of the manhole ladder is equipped with outer
Ladder；The outside staircase includes: adjustable ladder leg and the step that is arranged between two ladder legs；Each ladder of the manhole ladder
A ladder leg is provided on pillar；The front end or rear end of interior halfpace rank is arranged in the step of the outside staircase；The ladder leg packet
It includes: shell；The adjusting leg that can be moved up and down inside the shell is equipped in the shell；The shell is slidably disposed in manhole ladder branch
On the outside of column；It is equipped with interior outside staircase between the upper end and manhole ladder pillar of the shell and unlocks hinge, is set between lower end and manhole ladder pillar
There is hound.
2. adjusting leg extension ladder according to claim 1, it is characterised in that: be equipped between the shell and adjusting leg adjustable
Section lock.
3. adjusting leg extension ladder according to claim 1, it is characterised in that: the lower end for adjusting leg lower part and being located at shell
Equipped with pedal；The pedal is in inverted L-shaped.
4. adjusting leg extension ladder according to claim 1, it is characterised in that: the shell includes: upper and lower part；It is described
Outer casing underpart is inclined on shell upper lower end.
5. adjusting leg extension ladder according to claim 1, it is characterised in that: the adjusting leg is equipped with castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574811.6U CN208294411U (en) | 2018-04-20 | 2018-04-20 | A kind of adjusting leg extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574811.6U CN208294411U (en) | 2018-04-20 | 2018-04-20 | A kind of adjusting leg extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294411U true CN208294411U (en) | 2018-12-28 |
Family
ID=64726782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820574811.6U Active CN208294411U (en) | 2018-04-20 | 2018-04-20 | A kind of adjusting leg extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208294411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
-
2018
- 2018-04-20 CN CN201820574811.6U patent/CN208294411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD966556S1 (en) | 2019-12-13 | 2022-10-11 | Murphy Ladder Llc | Ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200409 Address after: 1198 North Spring Creek square, Springville, Utah, USA Patentee after: American Little Giant Ladder Company Address before: 215000 yuan and town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU ZHONGCHUANG ALUMINIUM PRODUCTS Co.,Ltd. |
|
| TR01 | Transfer of patent right |