CN202990838U - Rotary supporting frame of extension ladder - Google Patents
Rotary supporting frame of extension ladder Download PDFInfo
- Publication number
- CN202990838U CN202990838U CN201220440647.2U CN201220440647U CN202990838U CN 202990838 U CN202990838 U CN 202990838U CN 201220440647 U CN201220440647 U CN 201220440647U CN 202990838 U CN202990838 U CN 202990838U
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- CN
- China
- Prior art keywords
- extension ladder
- rotating support
- jib
- latch
- projection
- 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 - Lifetime
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Abstract
The utility model relates to the field of extension ladders, in particular to a rotary supporting frame of an extension ladder. The rotary supporting frame comprises a sleeved tube, an arm frame, a switch mechanism and a contactor. The sleeved tube is sleeved with a ladder column unit at the uppermost end of the extension ladder. One end of the arm frame is connected with the sleeved tube in a rotating mode, and the contactor is arranged at the other end of the arm frame. The arm frame is provided with a groove position in which the switch mechanism is arranged. The rotary supporting frame solves the problem that a traditional extension ladder is externally connected with a supporting frame in order to improve the work safety, thereby being inconvenient in carrying and use, and is practical and convenient.
Description
Technical field
The utility model relates to the extension ladder field, relates in particular to a kind of rotating support for extension ladder.
Background technology
The disclosed extension ladder of prior art, in the middle of using, owing to the ladder top being close to metope, restricted user's working space, the user can not let go trick when work, in addition, the user is when using as instruments such as spanners, some users understand self-contained instrument, but when changing tool using, the work that has increased user self is dangerous.
For the hidden danger that solves out, at the outside external bracing frame of extension ladder, solved the problem that common extension ladder brings, but like this extension ladder and bracing frame have been divided into two individualities, brought inconvenience for carrying and the use of extension ladder.
Summary of the invention
The utility model provides a kind of rotating support for extension ladder for the prior art deficiency, the utility model has solved carrying and the awkward problem that traditional extension ladder brings for the external bracing frame of safety that improves work, and is very practical and convenient.
For achieving the above object, the utility model can be achieved through the following technical solutions.
A kind of rotating support for extension ladder, comprise socketed pipe, jib, switching mechanism and conflict head, the cleat stanchion unit socket of described ladder and extension ladder top, one end of described jib is connected in described socketed pipe rotationally, the other end of described jib is provided with the conflict head, described jib offers the groove position, and described switching mechanism is arranged in the groove position.
As preferably, described switching mechanism comprises button key, keeper, latch, spring and snap ring, in described keeper is arranged at that described jib offers groove position, described keeper offers chute, and described button key is arranged in chute, and described button key bottom surface is provided with the first projection, described the first projection is provided with the through hole of aperture and latch equal diameters, described latch is arranged in the through hole of described the first projection, the described latch of described snap ring socket, and described spring housing is connected to described snap ring.
As preferably, described keeper is provided with the second projection that slides up and down distance for the limit button key, and described the second projection is arranged at the bottom of described keeper.
As preferably, described the second projection is provided with the through hole of aperture and latch equal diameters.
As preferably, described jib is connected by axis of rotation with described socketed pipe.
As preferably, described socketed pipe offers the hole slot of aperture and latch equal diameters.
As preferably, described conflict head is provided with skid resistant course.
As preferably, described both sides of conflicting head are provided with groove.
As preferably, described jib launches backward both sides and stretches, and is Eight characters shape.
As preferably, described rotating support also comprises kit bag, and an end connecting band of described kit bag is connected with the head of conflicting, and the other end connecting band of described kit bag is connected with described jib.
The beneficial effects of the utility model: the used time can not pack in extension ladder the utility model, during use, bracing frame is pulled out bending to launch, formed like this a working space, unfettered when facilitating the user to work, after expansion, the kit bag that is provided with in the middle of bracing frame can be displayed instrument, increase the extension ladder convenient in carrying, used safety.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is the decomposition texture schematic diagram of switching mechanism of the present utility model.
Fig. 4 is the structural representation of the head of conflicting of the present utility model.
1-socketed pipe, 2-jib, 3-switching mechanism, 31-button key, 311-the first projection 32-keeper 321-the second projection 33-latch 34-spring 35-snap ring 4-conflict 5-kit bag, 6-axis of rotation.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figures 1 to 4, a kind of rotating support for extension ladder, comprise socketed pipe 1, jib 2, switching mechanism 3, conflict 4, the cleat stanchion unit socket of described socketed pipe 1 and extension ladder top, one end of described jib 2 is connected in described socketed pipe 1 rotationally, the other end of described jib 2 is provided with conflicts 4, and described jib 2 offers the groove position, and described switching mechanism 3 is arranged in the groove position.
in the present embodiment, described switching mechanism 3 comprises button key 31, keeper 32, latch 33, spring 34 and snap ring 35, in described keeper 32 is arranged at that described jib 2 offers groove position, described keeper 32 offers chute, described button key 31 is arranged in chute, described button key 31 bottom surfaces are provided with the first projection 311, described the first projection 311 is provided with the through hole of aperture and latch 33 equal diameters, described latch 33 is arranged in the through hole of described the first projection 311, the described snap ring 35 described latches 33 of socket, described spring 34 is socketed on described snap ring 33, when packing up bracing frame, button key 31 upwards can have been broken off with the fingers and thumb along positioning key 32, the restriction cancellation of snap ring to spring, latch 33 will be return backward, remove locking state.
In the present embodiment, described keeper 32 is provided with the second projection 321 that slides up and down distance for limit button key 31, described the second projection 321 is arranged at the bottom of described keeper 32, and button key slides up and down at chute, and the second projection 321 that the bottom arranges is used for the displacement of limit button key.
In the present embodiment, described the second projection 321 is provided with the through hole of aperture and latch 33 equal diameters, passes the second projection 321 for latch 33.
In the present embodiment, described jib 2 is connected by axis of rotation 6 with described socketed pipe 1, and jib 2 is rotated on socketed pipe 1 up and down.
In the present embodiment, described socketed pipe 1 offers the hole slot of aperture and latch 33 equal diameters, and when rotating to certain angle, latch 33 can advance in hole slot automatically, reaches locking state.
In the present embodiment, described conflict 4 is provided with skid resistant course, increase conflict 4 with the frictional force of metope, improve safety.
In the present embodiment, the both sides of described conflict 4 are provided with groove, facilitate the user that bracing frame is taken out in extension ladder.
In the present embodiment, described jib 2 launches backward both sides and stretches, and is Eight characters shape, increases the stability of bracing frame.
In the present embodiment, described rotating support also comprises kit bag 5, and an end connecting band of described kit bag 54 is connected with conflicting, and the other end connecting band of described kit bag 5 is connected with described jib 2, after the runing rest expansion, instrument can the inserter bag in.
operating principle of the present utility model: socketed pipe 1 is socketed in extension ladder, used time not, rotating support can be packed in extension ladder, during use, bracing frame is pulled out, jib 2 can rotate by axis of rotation 6 on socketed pipe 1 up and down, offer the hole slot identical with latch 33 diameters on socketed pipe 1, when rotating to certain angle, latch 33 can advance in hole slot automatically, reach locking state, increase the safety of bracing frame, conflict and 4 to be close to metope, whole support has formed a working space, after bracing frame launches, 5 li of kit bags can have been displayed instrument, after being finished, button key 31 has upwards been broken off with the fingers and thumb along positioning key 32, latch 33 will be return backward, remove locking state, again jib 2 is bent into socketed pipe 1 at one above horizon, again runing rest is packed into back in extension ladder.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. rotating support that is used for extension ladder, it is characterized in that: described rotating support comprises socketed pipe (1), jib (2), switching mechanism (3) and the head (4) of conflicting, the cleat stanchion unit socket of described socketed pipe (1) and extension ladder top, one end of described jib (2) is connected in described socketed pipe (1) rotationally, the other end of described jib (2) is provided with the head (4) of conflicting, described jib (2) offers the groove position, and described switching mechanism (3) is arranged in the groove position.
2. a kind of rotating support for extension ladder according to claim 1, it is characterized in that: described switching mechanism (3) comprises button key (31), keeper (32), latch (33), spring (34) and snap ring (35), in described keeper (32) is arranged at that described jib (2) offers groove position, described keeper (32) offers chute, described button key (31) is arranged in chute, described button key (31) bottom surface is provided with the first projection (311), described the first projection (311) is provided with the through hole of aperture and latch (33) equal diameters, described latch (33) is arranged in the through hole of described the first projection (311), described snap ring (35) is socketed described latch (33), described spring (34) is socketed on described snap ring (33).
3. a kind of rotating support for extension ladder according to claim 2, it is characterized in that: described keeper (32) is provided with the second projection (321) that slides up and down distance for limit button key (31), and described the second projection (321) is arranged at the bottom of described keeper (32).
4. a kind of rotating support for extension ladder according to claim 3, it is characterized in that: described the second projection (321) is provided with the through hole of aperture and latch (33) equal diameters.
5. a kind of rotating support for extension ladder according to claim 1, it is characterized in that: described jib (2) is connected by axis of rotation (6) with described socketed pipe (1).
6. a kind of rotating support for extension ladder according to claim 5, it is characterized in that: described socketed pipe (1) offers the hole slot of aperture and latch (33) equal diameters.
7. a kind of rotating support for extension ladder according to claim 1 is characterized in that: described conflict head (4) is provided with skid resistant course.
8. a kind of rotating support for extension ladder according to claim 1 is characterized in that: described both sides of conflicting head (4) are provided with groove.
9. a kind of rotating support for extension ladder according to claim 1 is characterized in that: described jib (2) launches backward both sides and stretches, and is Eight characters shape.
10. a kind of rotating support for extension ladder according to claim 1, it is characterized in that: described rotating support also comprises kit bag (5), one end connecting band of described kit bag (5) is connected with the head (4) of conflicting, and the other end connecting band of described kit bag (5) is connected with described jib (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440647.2U CN202990838U (en) | 2012-08-31 | 2012-08-31 | Rotary supporting frame of extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440647.2U CN202990838U (en) | 2012-08-31 | 2012-08-31 | Rotary supporting frame of extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202990838U true CN202990838U (en) | 2013-06-12 |
Family
ID=48562029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220440647.2U Expired - Lifetime CN202990838U (en) | 2012-08-31 | 2012-08-31 | Rotary supporting frame of extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202990838U (en) |
-
2012
- 2012-08-31 CN CN201220440647.2U patent/CN202990838U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |