CN105804634B - A kind of ladder feet with retractable supports structure - Google Patents
A kind of ladder feet with retractable supports structure Download PDFInfo
- Publication number
- CN105804634B CN105804634B CN201610316731.6A CN201610316731A CN105804634B CN 105804634 B CN105804634 B CN 105804634B CN 201610316731 A CN201610316731 A CN 201610316731A CN 105804634 B CN105804634 B CN 105804634B
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- China
- Prior art keywords
- regulation
- ladder
- diameter
- connecting rod
- positioning
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Classifications
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- 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
- E06C7/423—Ladder stabilising struts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
A kind of ladder feet with retractable supports structure, it is characterised in that：Supporting construction includes：Two supporting bars, upper end are hingedly connected to the outside of two foot of ladders；Two regulation connecting rods, lower end is hingedly connected to the lower end of two supporting bars；One regulation positioning seat, is fixedly arranged between two foot of ladders, and is respectively arranged on the left side and the right side a regulation locating slot, for regulation rod slide positioning；Adjusting locating slot includes long slot bore and the circular hole at long slot bore two；The upper end for adjusting connecting rod is slidably connected by a flexible positioning piece and regulation locating slot, and the flexible positioning piece has a body of rod, and the stepped positioning head and a spring of a tool three-level are arranged with the body of rod；The prime ladder of stepped positioning head is correspondingly resisted against regulation connecting rod, and diameter is less than or equal to long slot bore groove width；The diameter of intermediate ladder is more than long slot bore groove width, but is less than or equal to Circularhole diameter；The diameter of rear class ladder is more than Circularhole diameter.The present invention and the stability of strutting system on ground are high, and convenient for unlocking, are easy to store.
Description
Technical field
The present invention relates to a kind of ladder, and in particular to a kind of foot of ladder of ladder, the foot of ladder have telescopic supporting construction.
Background technology
Ladder, it is conventional climbing tools, common are vertical ladder, double ladder, hanging ladder etc..In most cases, ladder is all
The use demand of user can be met, but in some cases, such as the field of employment that height is higher, or the person's of needing to use frequency
The field of employment of numerous action, conventional ladder occur the bottom situation unstable with ground supports, bring potential safety hazard.
Therefore, how to solve the above problems, become as the problem of the invention to be researched and solved.
The content of the invention
It is an object of the invention to provide a kind of ladder feet with retractable supports structure, to solve prior art bottom
The problem of with ground supports shakiness.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of ladder ladder with retractable supports structure
Pin, the ladder include the two parallel and cleat stanchions that are vertically arranged, and the multiple parallel and water being fixedly arranged between two cleat stanchions
Flat setting is marked time；The lower end of the cleat stanchion is foot of ladder, and the supporting construction is on the foot of ladder；The supporting construction bag
Include：
Two supporting bars, the upper end of two supporting bars are hingedly connected to the outside of two foot of ladders；
Two regulation connecting rods, the lower end of the two regulation connecting rods are hingedly connected to the lower end of two supporting bars；
One regulation positioning seat, the regulation positioning seat are fixedly arranged between two foot of ladders, adjust and adjoin at left and right sides of positioning seat
The position of the adjacent foot of ladder offers a regulation locating slot respectively, and it is fixed that the regulation locating slot slides for the upper end of the regulation connecting rod
Position；The regulation locating slot includes horizontally disposed long slot bore, and two of the long slot bore is more than the circular hole of groove width for diameter；
Wherein, the upper end of the regulation connecting rod is slidably connected by a flexible positioning piece and the regulation locating slot, the bullet
Property keeper there is a body of rod, the body of rod hang down sets and be articulated with it is described regulation connecting rod upper end；Single order is arranged with the body of rod
Scalariform positioning head and a spring, the spring is resisted against the rear portion of the stepped positioning head, and forces this stepped with its tension force
Positioning head is resisted against the upper end of the regulation connecting rod；
Also, three-level ladder before, during and after the cross section of the stepped positioning head includes from front to back；Prime ladder pair
The upper end of the regulation connecting rod should be resisted against, its diameter is less than or equal to the groove width of the long slot bore；The diameter of intermediate ladder is big
In the groove width of the long slot bore, but less than or equal to the diameter of the circular hole；The diameter of rear class ladder is more than the straight of the circular hole
Footpath.
Relevant content in above-mentioned technical proposal is explained as follows：
1. in such scheme, when the upper end of the regulation connecting rod is in the regulation outer mother rib lateral rotundum of locating slot, this
When the outer mother rib lateral rotundum is caught in due to the effect of the spring, the intermediate ladder of the stepped positioning head, the outer mother rib lateral rotundum will
The stepped positioning head positioning, and then located the regulation connecting rod so that the supporting bar stays open；
When user presses the upper end of the regulation connecting rod, because spring is compressed, the stepped positioning head retraction,
Cause the intermediate ladder of stepped positioning head to depart from the outer mother rib lateral rotundum, relieve the lock-out state of the regulation connecting rod, now
The prime ladder of stepped positioning head enters the outer mother rib lateral rotundum, and after supporting bar described in user's folding, the regulation connects
Bar together interlocks and drives the prime ladder of the stepped positioning head inwardly to break away in the long slot bore, and user can stop
Only press the upper end of the regulation connecting rod；
When the upper end of the regulation connecting rod is continuously moved in the regulation inner mother rib lateral rotundum of locating slot, due to the bullet
The tension force effect of spring, the intermediate ladder of the stepped positioning head are caught in the interior mother rib lateral rotundum again, will by the interior mother rib lateral rotundum
The stepped positioning head positioning, and then located the regulation connecting rod so that the supporting bar keeps the state of folding.
2. in such scheme, the regulation connecting rod and the stepped positioning head are in the front and rear sides of the regulation positioning seat
There is setting.Four regulation connecting rods are shared, corresponding every regulation connecting rod is equipped with a stepped positioning head, to improve support knot
The stability that the fluency and state of structure regulation are kept.
The operation principle and advantage of the present invention is as follows：
A kind of ladder feet with retractable supports structure of the present invention, its supporting construction include two branch for being articulated with skirt
Strut member, two are articulated with the regulation connecting rod of supporting bar, and one is fixedly arranged on the regulation positioning seat between two foot of ladders, and the regulation positioning seat is left
Right both sides are respectively equipped with a regulation locating slot, for regulation rod slide positioning；Regulation locating slot includes long slot bore and long slot bore two
The circular hole of head；The upper end for adjusting connecting rod is slidably connected by a flexible positioning piece and regulation locating slot, and the flexible positioning piece has
One body of rod, the stepped positioning head and a spring of a tool three-level are arranged with the body of rod；The prime ladder of stepped positioning head is corresponding
Regulation connecting rod is resisted against, diameter is less than or equal to long slot bore groove width；The diameter of intermediate ladder is more than long slot bore groove width, but be less than or
Equal to Circularhole diameter；The diameter of rear class ladder is more than Circularhole diameter.Compared to existing technologies, the present invention solves ladder feet
It is the problem of with ground supports stability difference, and its supporting construction is scalable, reasonable in design, not only stabilization during lock-out state
Property and reliability it is high, and unlock also very convenient, therefore there is preferable practical improvement.
Brief description of the drawings
Accompanying drawing 1 is stereogram when supporting bar of the embodiment of the present invention is opened；
Structural representation when accompanying drawing 2 is supporting bar folding of the embodiment of the present invention；
Accompanying drawing 3 is that connecting rod is adjusted in Fig. 1 with adjusting the location state diagram of positioning seat；
Accompanying drawing 4 is that the embodiment of the present invention adjusts schematic diagram of the connecting rod when being moved in adjusting positioning seat；
Accompanying drawing 5 is that connecting rod is adjusted in Fig. 2 with adjusting the location state diagram of positioning seat；
Accompanying drawing 6 is Fig. 3 or Fig. 5 side cross sectional views；
Accompanying drawing 7 is Fig. 4 side cross sectional views；
Schematic cross-sectional view when accompanying drawing 8 is unblock regulation connecting rod of the embodiment of the present invention.
In the figures above：1. cleat stanchion；2. mark time；3. foot of ladder；4. supporting bar；5. adjust connecting rod；6. adjust positioning seat；7.
Long slot bore；8. circular hole；9. the body of rod；10. stepped positioning head；11. spring；12. prime ladder；13. intermediate ladder；14. rear class
Ladder.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：Referring to shown in accompanying drawing 1 ~ 8, a kind of ladder feet with retractable supports structure, the ladder includes
The two parallel and cleat stanchions 1 that are vertically arranged, and be fixedly arranged between two cleat stanchions 1 multiple parallel and horizontally disposed mark time 2；
The lower end of the cleat stanchion 1 is foot of ladder 3, and the supporting construction is on the foot of ladder 3；The supporting construction includes：
Two supporting bars 4, the upper end of two supporting bars 4 are hingedly connected to the outside of two foot of ladders 3；
Two regulation connecting rods 5, the lower end of the two regulation connecting rods 5 are hingedly connected to the lower end of two supporting bars 4；
One regulation positioning seat 6, the regulation positioning seat 6 are fixedly arranged between two foot of ladders 3, adjust the left and right two of positioning seat 6
The position that the foot of ladder 3 is adjoined in side offers a regulation locating slot respectively, upper end of the regulation locating slot for the regulation connecting rod 5
Slide positioning；The regulation locating slot includes horizontally disposed long slot bore 7, and two of the long slot bore 7 is more than groove width for diameter
Circular hole 8；
Wherein, the upper end of the regulation connecting rod 5 is slidably connected by a flexible positioning piece and the regulation locating slot, the bullet
Property keeper there is a body of rod 9, the body of rod 9 hang down sets and be articulated with it is described regulation connecting rod 5 upper end；It is arranged with the body of rod 9
The one stepped spring 11 of positioning head 10 and one, the spring 11 are resisted against the rear portion of the stepped positioning head 10, and with its tension force
The stepped positioning head 10 is forced to be resisted against the upper end of the regulation connecting rod 5；
Also, three-level ladder before, during and after the cross section of the stepped positioning head 10 includes from front to back；Prime ladder
The 12 corresponding upper ends for being resisted against the regulation connecting rod 5, its diameter are less than or equal to the groove width of the long slot bore 7；Intermediate ladder 13
Diameter be more than the long slot bore 7 groove width, but less than or equal to the circular hole 8 diameter；The diameter of rear class ladder 14 is more than
The diameter of the circular hole 8.
The operation principle of the present invention is as follows：
When the upper end of the regulation connecting rod 5 is positioned at described adjust in the circular hole 8 of locating slot in the outer part, now due to described
The effect of spring 11, the intermediate ladder 13 of the stepped positioning head 10 are caught in the circular hole 8 in outside, and the outer mother rib lateral rotundum 8 is by described in
Stepped positioning head 10 positions, and then located the regulation connecting rod 5 so that the supporting bar 4 stays open；
When user presses the upper end of the regulation connecting rod 5, because spring 11 is compressed, the stepped positioning head 10
Retraction, cause the intermediate ladder 13 of stepped positioning head 10 to depart from the circular hole 8 in outside, relieve the locking of the regulation connecting rod 5
The circular hole 8 of state, the now entrance of prime ladder 12 outside of stepped positioning head 10, when supporting bar 4 described in user's folding
Afterwards, the regulation connecting rod 5 together interlocks and drives the prime ladder 12 of the stepped positioning head 10 inwardly to break away into the length
In slotted eye 7, user can stop pressing the upper end of the regulation connecting rod 5；
When the upper end of the regulation connecting rod 5 is continuously moved in the regulation inner mother rib lateral rotundum 8 of locating slot, due to described
The tension force effect of spring 11, the intermediate ladder 13 of the stepped positioning head 10 are caught in the circular hole 8 of inner side, pass through the inner side again
Circular hole 8 positions the stepped positioning head 10, and then located the regulation connecting rod 5 so that the supporting bar 4 keeps receiving
The state of folding.
Wherein, the regulation connecting rod 5 and the stepped positioning head 10 have in the front and rear sides of the regulation positioning seat 6
Set.Four regulation connecting rods 5 are shared, corresponding every regulation connecting rod 5 is equipped with a stepped positioning head 10, to improve support knot
The stability that the fluency and state of structure regulation are kept.
A kind of ladder feet with retractable supports structure of the present invention, its supporting construction include two branch for being articulated with skirt
Strut member, two are articulated with the regulation connecting rod of supporting bar, and one is fixedly arranged on the regulation positioning seat between two foot of ladders, and the regulation positioning seat is left
Right both sides are respectively equipped with a regulation locating slot, for regulation rod slide positioning；Regulation locating slot includes long slot bore and long slot bore two
The circular hole of head；The upper end for adjusting connecting rod is slidably connected by a flexible positioning piece and regulation locating slot, and the flexible positioning piece has
One body of rod, the stepped positioning head and a spring of a tool three-level are arranged with the body of rod；The prime ladder of stepped positioning head is corresponding
Regulation connecting rod is resisted against, diameter is less than or equal to long slot bore groove width；The diameter of intermediate ladder is more than long slot bore groove width, but be less than or
Equal to Circularhole diameter；The diameter of rear class ladder is more than Circularhole diameter.Compared to existing technologies, the present invention solves ladder feet
It is the problem of with ground supports stability difference, and its supporting construction is scalable, reasonable in design, not only stabilization during lock-out state
Property and reliability it is high, and unlock also very convenient, therefore there is preferable practical improvement.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (2)
1. a kind of ladder feet with retractable supports structure, the ladder includes the two parallel and cleat stanchions that are vertically arranged, with
And be fixedly arranged between two cleat stanchions multiple parallel and horizontally disposed marks time；It is characterized in that：The lower end of the cleat stanchion is
Foot of ladder, the supporting construction is on the foot of ladder；The supporting construction includes：
Two supporting bars, the upper end of two supporting bars are hingedly connected to the outside of two foot of ladders；
Two regulation connecting rods, the lower end of the two regulation connecting rods are hingedly connected to the lower end of two supporting bars；
One regulation positioning seat, the regulation positioning seat are fixedly arranged between two foot of ladders, adjust and adjoin institute at left and right sides of positioning seat
The position for stating foot of ladder offers a regulation locating slot respectively, and the regulation locating slot slides positioning for the upper end of the regulation connecting rod；
The regulation locating slot includes horizontally disposed long slot bore, and two of the long slot bore is more than the circular hole of groove width for diameter；
Wherein, the upper end of the regulation connecting rod is slidably connected by a flexible positioning piece and the regulation locating slot, and the elasticity is fixed
Position part has a body of rod, and the body of rod, which hangs down, sets and be articulated with the upper end of the regulation connecting rod；It is stepped that one is arranged with the body of rod
Positioning head and a spring, the spring is resisted against the rear portion of the stepped positioning head, and forces the stepped positioning with its tension force
Head is resisted against the upper end of the regulation connecting rod；
Also, three-level ladder before, during and after the cross section of the stepped positioning head includes from front to back；Prime ladder correspondingly supports
The upper end of the regulation connecting rod is leaned against, its diameter is less than or equal to the groove width of the long slot bore；The diameter of intermediate ladder is more than institute
The groove width of long slot bore is stated, but less than or equal to the diameter of the circular hole；The diameter of rear class ladder is more than the diameter of the circular hole.
2. ladder feet according to claim 1, it is characterised in that：It is described regulation connecting rod and the stepped positioning head in
There is setting the front and rear sides of the regulation positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316731.6A CN105804634B (en) | 2016-05-13 | 2016-05-13 | A kind of ladder feet with retractable supports structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316731.6A CN105804634B (en) | 2016-05-13 | 2016-05-13 | A kind of ladder feet with retractable supports structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105804634A CN105804634A (en) | 2016-07-27 |
| CN105804634B true CN105804634B (en) | 2018-01-09 |
Family
ID=56457056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610316731.6A Active CN105804634B (en) | 2016-05-13 | 2016-05-13 | A kind of ladder feet with retractable supports structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105804634B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669462A (en) * | 1996-03-19 | 1997-09-23 | Jennings; Paul J. | Ladder leveling apparatus |
| US6935463B2 (en) * | 2003-09-09 | 2005-08-30 | K & B Products, Inc. | Safety support for ladders |
| DE202005004656U1 (en) * | 2005-03-19 | 2005-07-14 | Schmieg, Rainer | Work tool e.g. hand boring machine, storing device for use in e.g. aluminum ladder,has racks assembled on both sides of ladder and fastened on T-piece, where device is splaying device braced in rung by screw connection |
| CN200999587Y (en) * | 2007-01-31 | 2008-01-02 | 乐瑞商务咨询(上海)有限公司 | Locking mechanism for ladder |
| CN204984248U (en) * | 2015-08-24 | 2016-01-20 | 苏州飞华铝制工业有限公司 | Flexible foot hasp guiding mechanism |
| CN105525862B (en) * | 2016-01-19 | 2018-01-09 | 苏州飞华铝制工业有限公司 | A kind of adjustable for height combination ladder |
| CN205955637U (en) * | 2016-05-13 | 2017-02-15 | 苏州飞华铝制工业有限公司 | Ladder ladder feet with scalable bearing structure |
-
2016
- 2016-05-13 CN CN201610316731.6A patent/CN105804634B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105804634A (en) | 2016-07-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200515 Address after: Utah, USA Patentee after: Little giant Address before: 215164 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 109 Patentee before: SUZHOU PICA ALUMINUM INDUSTRY Ltd. |