CN205838497U - A kind of hand-operated lifting ladder - Google Patents
A kind of hand-operated lifting ladder Download PDFInfo
- Publication number
- CN205838497U CN205838497U CN201620765703.8U CN201620765703U CN205838497U CN 205838497 U CN205838497 U CN 205838497U CN 201620765703 U CN201620765703 U CN 201620765703U CN 205838497 U CN205838497 U CN 205838497U
- Authority
- CN
- China
- Prior art keywords
- corrugated tubing
- ladder
- driven gear
- hand
- operated lifting
- 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
This utility model provides a kind of hand-operated lifting ladder, including gripper shoe, the driving gear being flexibly connected with gripper shoe and at least one driven gear, fixes the handle being connected with driving gear, fixes the adjustable elevating mechanism being connected with driven gear；Described adjustable elevating mechanism, the corrugated tubing that direction is socketed successively is axially extended including several, corrugated tubing outer wall is provided with external screw thread, corrugated tubing inner wall section arranges female thread, adjacent corrugated tubing is connect by corresponding female thread and external thread rotary pivoted housing, the two ends of corrugated tubing are equipped with the annulus radially extended, and the diameter of annulus is equal to the big footpath of corrugated tubing.Promote driving gear to rotate by handle thus drive driven gear to rotate, the adjustable elevating mechanism of fixing connection on driven gear, under driven gear drives, adjustable elevating mechanism rises therewith or declines, so that lift liftable is to any position height, improve motility, stability and convenience that lift uses.
Description
Technical field
This utility model relates to lifting tool technical field, particularly relates to a kind of hand-operated lifting ladder.
Background technology
Ladder is a kind of ancient and the instrument of youth, says that he can trace back to protohistory age at the ancient use being because it, says
Its youth is because in this day and age, still be unable to do without ladder.The kind of ladder has a lot of such as extension ladder, single ladder, double ladder
Deng, the application of ladder is quite varied, brings a lot of convenient, the most in daily life, available ladder ascend a height with
Complete certain operations, such as, take and deposit pinnacled article, repair the building etc. of eminence.But, normally used commonly
The height of ladder is fixing uncontrollable, it is difficult to the height of flexible ladder according to actual needs.
In view of this, it is necessary to ladder of the prior art is improved, to solve the problems referred to above.
Utility model content
The purpose of this utility model is open a kind of hand-operated lifting ladder, in order to make lift rise or to drop to arbitrarily
Height and position, improves motility, stability and convenience that lift uses.
For achieving the above object, this utility model provides a kind of hand-operated lifting ladder, including gripper shoe, with gripper shoe activity
The driving gear connected and at least one driven gear, fix the handle being connected with driving gear, fixes with driven gear and is connected
Adjustable elevating mechanism；Described adjustable elevating mechanism, axially extends, including several, the spiral shell that direction is socketed successively
Stricture of vagina pipe, described corrugated tubing outer wall is provided with external screw thread, and described corrugated tubing inner wall section arranges female thread, and described adjacent corrugated tubing leads to
Female thread and the external thread rotary pivoted housing of crossing correspondence connect, and the two ends of described corrugated tubing are equipped with the annulus radially extended, described annulus
Diameter equal to the big footpath of corrugated tubing.
In some embodiments, described handle extends gripper shoe side.
In some embodiments, also include housing the bracing frame bottom adjustable elevating mechanism.
In some embodiments, described annulus and corrugated tubing are integral type structure.
In some embodiments, described annulus and corrugated tubing are split-type structural.
In some embodiments, described female thread is located close on the corrugated tubing inwall of corrugated tubing end.
In some embodiments, described female thread length accounts for the 1/10-1/20 of corrugated tubing inwall length.
In some embodiments, the length axially extending the corrugated tubing that direction is socketed successively described in is equal.
Compared with prior art, the beneficial effects of the utility model are: promote driving gear to rotate by handle thus carry
Dynamic driven gear rotates, the adjustable elevating mechanism of fixing connection on driven gear, under driven gear drives, and adjustable liter
Descending mechanism rises therewith or declines, so that lift liftable is to any position height, improves the spirit that lift uses
Activity, stability and convenience.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of a kind of hand-operated lifting ladder shown in this utility model；
Fig. 2 is that the driven gear shown in Fig. 1 and driving gear are with the use of figure；
Fig. 3 is the top view of the bracing frame shown in Fig. 1；
Fig. 4 is that the adjacent corrugated tubing shown in Fig. 1 is with the use of front axial sectional view；
Fig. 5 be the adjacent corrugated tubing shown in Fig. 1 with the use of during axial sectional view；
Fig. 6 be the adjacent corrugated tubing shown in Fig. 1 with the use of time axial sectional view.
Detailed description of the invention
This utility model is described in detail by each embodiment shown in below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Equivalent transformation in energy, method or structure or replacement, within belonging to protection domain of the present utility model.
A kind of hand-operated lifting ladder as shown in figs 1 to 6, including gripper shoe 3, bottom gripper shoe 30 connect have driving gear 40,
Driven gear 41 and driven gear 42, driving gear 40, driven gear 41 and driven gear 42 pass through to be spirally connected with gripper shoe 3 respectively
Mode is flexibly connected.Adjustable elevating mechanism 100 it is fixedly connected with bottom driven gear 41 and driven gear 42.
Being fixedly connected with handle 401 on driving gear 40, handle 401 extends gripper shoe 3 side.Bracing frame 5 is provided with two
Individual resettlement section 50, bottom adjustable elevating mechanism 100, i.e. corrugated tubing 11 is placed in the resettlement section 50 of bracing frame 5, increases hands
Dynamic lift stability in use.
Adjustable elevating mechanism 100, including corrugated tubing 11, corrugated tubing 12, corrugated tubing 13 and corrugated tubing 14.Corrugated tubing
11, the diameter of corrugated tubing 12, corrugated tubing 13 and corrugated tubing 14 is sequentially reduced, corrugated tubing 11, corrugated tubing 12, corrugated tubing 13
And the length of corrugated tubing 14 is equal.Furthermore it is possible to the height reached as required rationally selects the quantity of corrugated tubing.
Corrugated tubing outer wall 103 is provided with external screw thread 104, and corrugated tubing inwall 101 is provided with female thread 102, described female thread 102
In on the corrugated tubing inwall 101 of annulus 21 one end, female thread 102 length accounts for the 1/10-1/ of corrugated tubing inwall 101 length
20, and preferably 1/10.Corrugated tubing outer wall 203 is provided with external screw thread 204, and corrugated tubing inwall 201 is provided with female thread 202, described interior
Screw thread 202 is located close on the corrugated tubing inwall 201 of annulus 22 one end, and female thread 202 length accounts for corrugated tubing inwall 201 length
1/10-1/20, and preferably 1/10.In like manner, the outer wall of corrugated tubing 13 and inwall are respectively equipped with external screw thread and part female thread,
The outer wall of corrugated tubing 14 and inwall are also respectively equipped with external screw thread and part female thread.
Corrugated tubing 11 forms cavity body 1 with accommodating corrugated tubing 12, and corrugated tubing 12 forms cavity body 2 with accommodating corrugated tubing 13,
In like manner, corrugated tubing 13 forms cavity body (not shown) with accommodating corrugated tubing 14.Corrugated tubing 11 and corrugated tubing 12 are by female thread 102
It is connected into one with external screw thread 204 rotary sleeve.Those skilled in the art can rationally deduce, corrugated tubing 12 and corrugated tubing 13, screw thread
Pipe 13 is connected into one with corrugated tubing 14 by corresponding female thread and external thread rotary pivoted housing.The top of corrugated tubing 14 and driven gear
41 fixing connections, specifically, corrugated tubing 14 is connected by welding manner is fixing with driven gear 41 or driven gear 42.
Corrugated tubing 11 one end is provided with the annulus 21 radially extended, and corrugated tubing 11 other end is provided with the annulus radially extended
211, annulus 21 and annulus 211 are integral type structure with corrugated tubing 11, and the diameter of annulus 21 and annulus 211 is equal to corrugated tubing 11
Big footpath.
Corrugated tubing 12 one end is provided with the annulus 22 radially extended, and corrugated tubing 12 other end is provided with the annulus 221 radially extended,
Annulus 22 and annulus 221 are split-type structural with corrugated tubing 12, and the diameter of annulus 22 and annulus 221 is equal to the big of corrugated tubing 12
Footpath, to prevent corrugated tubing 12 to be separated with corrugated tubing 11.Those skilled in the art can rationally deduce, corrugated tubing 13 one end is provided with
The annulus 23 radially extended, corrugated tubing 13 other end also is provided with annulus (not shown), and annulus 23 diameter is equal to corrugated tubing 13
Big footpath is to prevent corrugated tubing 13 to be separated with corrugated tubing 12；Corrugated tubing 14 one end is provided with the annulus (not shown) radially extended also
Fixing with driven gear 41 or driven gear 42 being connected, corrugated tubing 14 one end also can be not provided with annulus and direct and driven gear
41 or driven gear 42 is fixing connects, corrugated tubing 14 other end also is provided with annulus (not shown), and circle diameter is equal to screw thread
The big footpath of pipe 14 is separated with corrugated tubing 13 preventing corrugated tubing 14.Wherein, the big footpath of corrugated tubing is externally threaded crest circle
Diameter.
Hand-operated lifting ladder work process is: during beginning, and corrugated tubing 12 is contained in the cavity body 1 of corrugated tubing 11 completely, spiral shell
Stricture of vagina pipe 13 is contained in the cavity body 2 of corrugated tubing 12 completely, and corrugated tubing 14 is contained in the cavity body of corrugated tubing 13 completely and (does not shows
Go out) in.Due to the existence of annulus, will not be mutually disengaged between corrugated tubing 11, corrugated tubing 12, corrugated tubing 13 and corrugated tubing 14.
People stands in gripper shoe 3, holds handle 401, and urged clockwise handle 401 drives driving gear 40 to rotate, main
Moving gear 40 rotates thus drives driven gear 41 and driven gear 42 to rotate.Owing to corrugated tubing 14 top is solid with driven gear 42
Fixed connection, driven gear 42 rotates so that corrugated tubing 14 rotates rising in corrugated tubing 13.When the fully extended spiral shell of corrugated tubing 14
After stricture of vagina pipe 13, corrugated tubing 13 is starting to rotate rising in corrugated tubing 12.After the fully extended corrugated tubing of corrugated tubing 13 12,
Corrugated tubing 12 rotates rising until fully extended corrugated tubing 11 in corrugated tubing 11.During corrugated tubing 12 fully extended corrugated tubing 11,
Annulus 221 is fastened under female thread 102 to prevent corrugated tubing 11 and corrugated tubing 12 to be separated.Adjustable elevating mechanism 100
Whole uphill process arrow X-direction along Fig. 1 is moved.Driven gear 41 drives adjustable elevating mechanism 100 counterclockwise
Rotating and rise, driven gear 42 drives adjustable elevating mechanism 100 to rotate rising counterclockwise.
After hand-operated lifting ladder uses, driving handle 401 counterclockwise drives driving gear 40 to rotate, driving gear 40
Rotate thus drive driven gear 41 and driven gear 42 to rotate.It is connected owing to corrugated tubing 14 top is fixing with driven gear 42,
Driven gear 42 rotates and promotes corrugated tubing 14 to be first begin to circle round in the cavity body of corrugated tubing 13.When corrugated tubing 14 circles round completely
After in the cavity body of corrugated tubing 13, corrugated tubing 13 starts to circle round in the cavity body 2 of corrugated tubing 12.When corrugated tubing 13 is complete
After circling round in the cavity body 2 of corrugated tubing 12, corrugated tubing 12 starts to circle round in the cavity body 1 of corrugated tubing 11 until returning completely
It is screwed in the cavity body 1 of corrugated tubing 11.The decline process of adjustable elevating mechanism 100 is all to move along arrow X-direction dorsad
's.Driven gear 41 drives adjustable elevating mechanism 100 to turn clockwise decline, and driven gear 42 drives adjustable lifting
Mechanism 100 turns clockwise decline.
As further improvement of this embodiment, driving gear 40 can be replaced by worm screw, drive driven gear by worm screw
41 and driven gear 42 rotate, worm set is connected on bottom gripper shoe 30, and the handle 401 fixing with worm screw prolongs from gripper shoe 3 sidepiece
Stretch, thus do not affect the people from station, top of gripper shoe 3 or put thing.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are also not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Within equivalent implementations or change should be included in protection domain of the present utility model.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (8)
1. a hand-operated lifting ladder, it is characterised in that include gripper shoe, the driving gear and at least being flexibly connected with gripper shoe
Individual driven gear, fixes the handle being connected with driving gear, fixes the adjustable elevating mechanism being connected with driven gear；
Described adjustable elevating mechanism, axially extends the corrugated tubing that direction is socketed successively, described corrugated tubing including several
Outer wall is provided with external screw thread, and described corrugated tubing inner wall section arranges female thread, and described adjacent corrugated tubing is by corresponding female thread
Connecing with external thread rotary pivoted housing, the two ends of described corrugated tubing are equipped with the annulus radially extended, and the diameter of described annulus is equal to screw thread
The big footpath of pipe.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that described handle extends gripper shoe side.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that also include housing bottom adjustable elevating mechanism
Bracing frame.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that described annulus and corrugated tubing are integral type structure.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that described annulus and corrugated tubing are split-type structural.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that described female thread is located close to corrugated tubing end
On corrugated tubing inwall.
Hand-operated lifting the most according to claim 6 ladder, it is characterised in that described female thread length accounts for corrugated tubing inwall length
1/10-1/20.
Hand-operated lifting the most according to claim 1 ladder, it is characterised in that described in axially extend the spiral shell that direction is socketed successively
The length of stricture of vagina pipe is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765703.8U CN205838497U (en) | 2016-07-20 | 2016-07-20 | A kind of hand-operated lifting ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765703.8U CN205838497U (en) | 2016-07-20 | 2016-07-20 | A kind of hand-operated lifting ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205838497U true CN205838497U (en) | 2016-12-28 |
Family
ID=57624636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620765703.8U Expired - Fee Related CN205838497U (en) | 2016-07-20 | 2016-07-20 | A kind of hand-operated lifting ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205838497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586914A (en) * | 2017-02-24 | 2017-04-26 | 黄启东 | Pole climbing lifter |
-
2016
- 2016-07-20 CN CN201620765703.8U patent/CN205838497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586914A (en) * | 2017-02-24 | 2017-04-26 | 黄启东 | Pole climbing lifter |
| CN106586914B (en) * | 2017-02-24 | 2019-03-12 | 黄启东 | Pole-climbing lifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190720 |