CN107143276A - Adjustable double ladder - Google Patents
Adjustable double ladder Download PDFInfo
- Publication number
- CN107143276A CN107143276A CN201710558254.9A CN201710558254A CN107143276A CN 107143276 A CN107143276 A CN 107143276A CN 201710558254 A CN201710558254 A CN 201710558254A CN 107143276 A CN107143276 A CN 107143276A
- Authority
- CN
- China
- Prior art keywords
- rod
- support telescopic
- telescopic bar
- shrinking connecting
- ladder
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/10—Reinforcements for ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of adjustable double ladder, including preceding ladder component (1), rear support telescopic component (2), connect telescopic component (3), described rear support telescopic component (1) includes upper support telescopic bar (24), lower support telescopic bar (23), support rail (22), before the upper end of upper support telescopic bar (24) is hinged on ladder component (1), lower support telescopic bar (23) is set in support telescopic bar (24) telescopically adjustablely, support rail (22) is fixed on lower support telescopic bar (23)；Described connection telescopic component (3) includes lower shrinking connecting-rod (31) and upper shrinking connecting-rod (34), upper shrinking connecting-rod (34) is set on lower shrinking connecting-rod (31) telescopically adjustablely, before the lower end of lower shrinking connecting-rod (31) is hinged on ladder component (1), the upper end of upper shrinking connecting-rod (34) is hinged on support telescopic bar (24).Using after this structure, having the advantages that simple and reasonable, easy for operation, safe and reliable, bearing capacity is good, out-of-flatness ground could be used that.
Description
Technical field
The invention is related to a kind of ascending tool, particularly it is a kind of can in stair region, be uneven what ground was used
Adjustable double ladder.
Background technology
Include front ladder, rear ladder, pedal using more Foldable '*' shape ladder at present, rear ladder is hinged on front ladder by hinged seat
On, pedal is uniformly fixed in front ladder and rear ladder, and front ladder and rear ladder brace open certain angle when using, when not in use front ladder and rear ladder
Mutually fold, it is simple in construction, it is easy for operation.But have the following disadvantages in use：One be due to front ladder and
Ladder is symmetrical structure afterwards, and Land leveling is required when landing, can only be used on level land, there is significant limitation when using.Two are
As the improvement of people's living standards, many users have lived in the building of sandwich construction, but in stair region one-shot job,
Because not smooth ground is put for Foldable '*' shape ladder, cause Foldable '*' shape ladder to use, need to be taken using scaffold
Frame operation, very big inconvenience is brought to user.Therefore, many manufacturers and knowledgeable people have carried out R and D, but extremely
The present not yet has comparatively ideal product to emerge.
The content of the invention
To overcome the above mentioned problem that existing Foldable '*' shape ladder is present, the purpose of the invention is to provide a kind of structure letter
The adjustable double ladder that single reasonable, easy for operation, safe and reliable, bearing capacity is good, out-of-flatness ground could be used that.
The invention solves the technical scheme that its technical problem is used, and it includes preceding ladder component, rear support and stretched
Component, connection telescopic component, described rear support telescopic component include upper support telescopic bar, lower support telescopic bar, support rail,
Upper support telescopic bar is provided with some rear support adjustment holes, and lower support telescopic bar is provided with rear support elastic buckles, upper support telescopic
Before the upper end of bar is hinged on the top pedal of ladder component, lower support telescopic rod set is located in support telescopic bar and by rear
Support the rear support adjustment hole of elastic buckles and upper support telescopic bar to coordinate to fix, support rail is fixed on lower support telescopic bar；
Described connection telescopic component includes lower shrinking connecting-rod and upper shrinking connecting-rod, and lower shrinking connecting-rod is provided with some lever regulated holes,
Upper shrinking connecting-rod is provided with connecting rod elastic buckles, and upper shrinking connecting-rod is set on lower shrinking connecting-rod and stretched by connecting rod elastic buckles with
Lever regulated hole on contracting connecting rod, which coordinates, to be fixed, before the lower end of lower shrinking connecting-rod is hinged on the pedal of ladder component, upper flexible
The upper end of connecting rod is hinged on support telescopic bar.
The further scheme of the invention, described preceding ladder component includes the terraced frame in left and right, pedal, top pedal,
Some pedal correspondences are fixed between the terraced frame in left and right, and pedal correspondence in top is fixed on the top of the terraced frame in left and right.
The further scheme of the invention, reinforcement is correspondingly provided between the terraced frame in described left and right and top pedal
Bar, lower bracing piece is correspondingly provided between left and right ladder frame and the pedal of foot, and the bottom of left and right ladder frame is correspondingly provided with anti-skidding
Foot pad.
Correspondence is fixed with elimination and lower support telescopic on the further scheme of the invention, described upper support telescopic bar
Correspondence is fixed with elimination and upper shrinking connecting-rod fit clearance on the supports end cap of fit clearance between bar, described lower shrinking connecting-rod
Connecting rod end cap.
The further scheme of the invention, the two ends of the support rail are correspondingly provided with anti-skidding footmuff.
After said structure, have the advantage that compared with the prior art and effect：One is due to rear support telescopic component
Height can be adjusted by the expansion fit of support telescopic bar up and down, not only can be in smooth stair region and rugged
Used on ground, and rear support telescopic component can be adjusted to state perpendicular to the ground, right angle support is used, and has expanded people
The use scope of word ladder.Two be due to connect ladder group before telescopic component can be adjusted by the expansion fit of shrinking connecting-rod up and down
Aperture between part and rear support telescopic component, can not only ensure that double ladder is used safe and stable reliable, and can enter one
The rigidity and intensity of ladder component, substantially increase bearing capacity before step is improved.Three be the supports end cap of upper support telescopic bar with
And the connecting rod end cap on lower shrinking connecting-rod, fit clearance can be further eliminated, rear support telescopic component is improved and connection is flexible
The stability of component.Four be the Slippery proof foot pad of the terraced frame bottom in left and right and the anti-skidding footmuff at support rail two ends, can improve and grab
Ground ability and non-skid property.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the invention.
Fig. 2 is the dimensional structure diagram of the invention other direction.
Fig. 3 is the decomposition texture schematic diagram of the invention.
Ladder component before wherein 1,2 rear support telescopic components, 3 connection telescopic components, 4 hinges, 5 hinged seats, 6 times connections
Seat, 11 or so terraced frames, 12 pedals, bracing piece, 14 top pedals, 15 times bracing pieces, 16 Slippery proof foot pads, 21 non-slip feets on 13
Cover, 22 support rails, 23 times support telescopic bars, support telescopic bar, 25 rear support elastic buckles, 26 rear support adjustment holes, 27 on 24
Supports end cap, 31 times shrinking connecting-rods, 32 connecting rod elastic buckles, 33 lever regulated holes, shrinking connecting-rod, 35 connecting rod end caps on 34.
Embodiment
It is a kind of specific embodiment of adjustable double ladder of the invention shown in Fig. 1 to Fig. 3, it includes preceding ladder
Component 1, rear support telescopic component 2, connection telescopic component 3, described rear support telescopic component 1 include upper support telescopic bar 24,
Lower support telescopic bar 23, support rail 22, after upper support telescopic bar 24 is provided with some height of regulation rear support telescopic component 2
Adjustment hole 26 is supported, lower support telescopic bar 23 is provided with the rear support elastic buckles 25 coordinated with rear support adjustment hole 26, preceding ladder
Hinged seat 5 is fixed with the top pedal 14 of component 1, the upper end of upper support telescopic bar 24 is hinged on the hinged seat of top pedal 14
On 5, lower support telescopic bar 23 is set in support telescopic bar 24 and by rear support elastic buckles 25 and upper support telescopic bar 24
Rear support adjustment hole 26 coordinate and fix, support rail 22 is fixed on lower support telescopic bar 23, the two of the support rail 22
End is correspondingly provided with anti-skidding footmuff 21；Described connection telescopic component 3 includes lower shrinking connecting-rod 31 and upper shrinking connecting-rod 34, lower flexible
Lever regulated hole 33 of the connecting rod 31 provided with some regulation connection length of telescopic component 3, upper shrinking connecting-rod 34 is provided with and connecting rod
The connecting rod elastic buckles 32 that adjustment hole 33 coordinates, upper shrinking connecting-rod 34 is set on lower shrinking connecting-rod 31 and by connecting rod elastic buckles 32
Coordinate with the lever regulated hole 33 on lower shrinking connecting-rod 31 and fix, upper connecting base 4, preceding ladder are fixed with upper support telescopic bar 24
Lower connecting base 6 is fixed with the pedal 12 at the middle part of component 1, the lower end of lower shrinking connecting-rod 31 is hinged on the lower connecting base 6 of pedal 12
On, the upper end of upper shrinking connecting-rod 34 is hinged on the upper connecting base 4 of support telescopic bar 24.
For the ease of production and processing, described preceding ladder component 1 includes the terraced frame 11 in left and right, pedal 12, top pedal 14,
Some correspondences of pedal 12 are fixed between the terraced frame 11 in left and right, and the correspondence of top pedal 14 is fixed on the top of the terraced frame 11 in left and right.
For the rigidity and intensity of ladder component 1 before improving, it is correspondingly provided between the terraced frame 11 in described left and right and top pedal 14
Bracing piece 13, lower bracing piece 15 is correspondingly provided between left and right ladder frame 11 and the pedal 12 of foot.In order to improve non-skid property,
The bottom of the terraced frame 11 in described left and right is correspondingly provided with Slippery proof foot pad 16.
In order to eliminate flexible gap, improve correspondence on stability, described upper support telescopic bar 24 and be fixed with elimination with
Correspondence is fixed with elimination with above stretching on the supports end cap 27 of fit clearance between support telescopic bar 23, described lower shrinking connecting-rod 31
The connecting rod end cap 35 of the fit clearance of contracting connecting rod 34.
Described above, simply one embodiment of the invention is not made any formal to the invention
Limitation, on the basis of the technical scheme of the invention is not departed from, made simple modification, equivalent variations or modification fall
Enter the protection domain of the invention.
Claims (5)
1. a kind of adjustable double ladder, including preceding ladder component (1), rear support telescopic component (2), connection telescopic component (3), its
It is characterized in：Described rear support telescopic component (1) includes upper support telescopic bar (24), lower support telescopic bar (23), support rail
(22), upper support telescopic bar (24) is provided with some rear support adjustment holes (26), and lower support telescopic bar (23) is provided with rear support
Elastic buckles (25), before the upper end of upper support telescopic bar (24) is hinged on the top pedal (14) of ladder component (1), lower support is stretched
Contracting bar (23) be set in support telescopic bar (24) and by rear support elastic buckles (25) and upper support telescopic bar (24) after
Support adjustment hole (26) to coordinate to fix, support rail (22) is fixed on lower support telescopic bar (23)；The flexible group of described connection
Part (3) includes lower shrinking connecting-rod (31) and upper shrinking connecting-rod (34), and lower shrinking connecting-rod (31) is provided with some lever regulated holes
(33), upper shrinking connecting-rod (34) is provided with connecting rod elastic buckles (32), and upper shrinking connecting-rod (34) is set on lower shrinking connecting-rod (31)
And fixation, lower shrinking connecting-rod (31) are coordinated by the lever regulated hole (33) on connecting rod elastic buckles (32) and lower shrinking connecting-rod (31)
Lower end be hinged on before ladder component (1) pedal (12) on, the upper end of upper shrinking connecting-rod (34) is hinged on support telescopic bar
(24) on.
2. adjustable double ladder according to claim 1, it is characterized in that：Described preceding ladder component (1) includes left and right ladder
Frame (11), pedal (12), top pedal (14), some pedal (12) correspondences are fixed between the terraced frame (11) in left and right, top
Pedal (14) correspondence is fixed on the top of the terraced frame (11) in left and right.
3. adjustable double ladder according to claim 1 or 2, it is characterized in that：The terraced frame (11) in described left and right and top
Bracing piece (13) is correspondingly provided between pedal (14), is correspondingly provided between left and right ladder frame (11) and the pedal (12) of foot
Lower bracing piece (15), the bottom of left and right ladder frame (11) is correspondingly provided with Slippery proof foot pad (16).
4. adjustable double ladder according to claim 3, it is characterized in that：Correspondence is solid on described upper support telescopic bar (24)
Surely there are the supports end cap (27) of fit clearance between elimination and lower support telescopic bar (23), described lower shrinking connecting-rod (31) on pair
The connecting rod end cap (35) eliminated with upper shrinking connecting-rod (34) fit clearance should be fixed with.
5. adjustable double ladder according to claim 4, it is characterized in that：The two ends of the support rail (22) are correspondingly provided with
Anti-skidding footmuff (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558254.9A CN107143276A (en) | 2017-07-10 | 2017-07-10 | Adjustable double ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558254.9A CN107143276A (en) | 2017-07-10 | 2017-07-10 | Adjustable double ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143276A true CN107143276A (en) | 2017-09-08 |
Family
ID=59776409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710558254.9A Withdrawn CN107143276A (en) | 2017-07-10 | 2017-07-10 | Adjustable double ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898284A (en) * | 2021-09-29 | 2022-01-07 | 国网山东省电力公司临朐县供电公司 | Insulation ladder for line loss inspection and using method thereof |
-
2017
- 2017-07-10 CN CN201710558254.9A patent/CN107143276A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898284A (en) * | 2021-09-29 | 2022-01-07 | 国网山东省电力公司临朐县供电公司 | Insulation ladder for line loss inspection and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170908 |