CN205955637U - Ladder ladder feet with scalable bearing structure - Google Patents
Ladder ladder feet with scalable bearing structure Download PDFInfo
- Publication number
- CN205955637U CN205955637U CN201620435055.XU CN201620435055U CN205955637U CN 205955637 U CN205955637 U CN 205955637U CN 201620435055 U CN201620435055 U CN 201620435055U CN 205955637 U CN205955637 U CN 205955637U
- Authority
- CN
- China
- Prior art keywords
- ladder
- connecting rod
- regulation
- rod
- diameter
- 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- Withdrawn - After Issue
Links
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a ladder ladder feet with scalable bearing structure which characterized in that: bearing structure includes: two support the member, and the upper end hinges respectively in the outside of two ladder feets, two adjust the connecting rod, and the lower extreme hinges respectively in two lower extremes that support the member, one adjusts the positioning seat, set firmly in between two ladder feets, and the left and right sides is equipped with a regulation constant head tank, confession regulation connecting rod slide orientation respectively, adjust the round hole that the constant head tank includes long slot bore and long slot bore two, adjusting the upper end of connecting rod and passing through an elastically positioned spare and adjust constant head tank sliding connection, this elastically positioned spare has a body of rod, and the cover is equipped with the echelonment positioning head and a spring of a third grade on the body of rod, the preceding stage ladder of echelonment positioning head corresponds to leaning on in adjusting the connecting rod, and the diameter is less than or equal to the long slot bore groove width, the diameter of intermediate ladder is greater than the long slot bore groove width, nevertheless is less than or equal to the round hole diameter, the diameter of back level ladder is greater than the round hole diameter. The utility model discloses it is high with the support stability on ground, and the unblock is convenient, is convenient for accomodate.
Description
Technical field
This utility model is related to a kind of ladder and in particular to a kind of foot of ladder of ladder, and this foot of ladder has telescopic support
Structure.
Background technology
Ladder, is conventional instrument of climbing to a higher point, 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, the such as higher field of employment of height, or need user frequency
The field of employment of numerous action, conventional ladder occurs the bottom situation unstable with ground supports, brings potential safety hazard.
Therefore, how to solve the above problems, become as this utility model problem to be researched and solved.
Content of the invention
The purpose of this utility model is to provide a kind of ladder feet with retractable supports structure, to solve prior art
The bottom problem unstable with ground supports.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is：A kind of ladder with retractable supports structure
Sub- foot of ladder, described ladder includes the two parallel and cleat stanchions that are vertically arranged, and is fixedly arranged on multiple parallel between cleat stanchion described in two
And horizontally disposed mark time；The lower end of described cleat stanchion is foot of ladder, and described supporting construction is on described foot of ladder；Described supporting construction
Including：
Two support rod members, support the upper end of rod member to be hingedly connected to the outside of foot of ladder described in two described in two；
Two regulation connecting rods, the lower end adjusting connecting rod described in two is hingedly connected to support the lower end of rod member described in two；
One regulation positioning seat, this regulation positioning seat is fixedly arranged on described in two between foot of ladder, and the left and right sides adjusting positioning seat is adjoined
The position of adjacent described foot of ladder offers a regulation locating slot respectively, and it is fixed that this regulation locating slot supplies the described upper end adjusting connecting rod to slide
Position；Described regulation locating slot includes horizontally disposed long slot bore, and two of this long slot bore is the circular hole with diameter greater than groove width；
Wherein, the described upper end adjusting connecting rod is slidably connected with described regulation locating slot by a flexible positioning piece, this bullet
Property keeper there is a body of rod, this body of rod hang down set and be articulated with described adjust connecting rod upper end；It is arranged with single order on the described body of rod
Scalariform positioning head and a spring, this spring is resisted against the rear portion of described stepped positioning head, and forces this stepped with its tension force
Positioning head is resisted against the described upper end adjusting connecting rod；
And, the cross section of described stepped positioning head include from front to back before, during and after three-level ladder；Prime ladder pair
The described upper end adjusting connecting rod should be resisted against, its diameter is less than or equal to the groove width of described long slot bore；The diameter of intermediate ladder is big
In the groove width of described long slot bore, but the diameter less than or equal to described circular hole；Rear class ladder straight with diameter greater than described circular hole
Footpath.
Relevant content in technique scheme is explained as follows：
1. in such scheme, when the described upper end adjusting connecting rod is located in the described regulation outer mother rib lateral rotundum of locating slot, this
When due to the effect of described spring, the intermediate ladder of described stepped positioning head snaps in described outer mother rib lateral rotundum, and this outer mother rib lateral rotundum will
Described stepped positioning head positioning, and then located described regulation connecting rod so that described support rod member stays open；
When user presses the described upper end adjusting connecting rod, because spring is compressed, described stepped positioning head retraction,
The intermediate ladder causing stepped positioning head departs from described outer mother rib lateral rotundum, relieves the described lock-out state adjusting connecting rod, now
The prime ladder of stepped positioning head enters described outer mother rib lateral rotundum, after supporting rod member described in user folding, the described company of regulation
Bar together interlocks and drives the prime ladder of described stepped positioning head inwardly to break away in described long slot bore, and user can stop
Only press the described upper end adjusting connecting rod；
When the described upper end adjusting connecting rod continuously moves in the described regulation inner mother rib lateral rotundum of locating slot, due to described bullet
The tension force effect of spring, the intermediate ladder of described stepped positioning head snaps in described interior mother rib lateral rotundum again, will by this interior mother rib lateral rotundum
Described stepped positioning head positioning, and then located the described state adjusting connecting rod so that described support rod member keeps folding.
2., in such scheme, described connecting rod and the described stepped positioning head of adjusting is in the described both sides in front and back adjusting positioning seat
All there is setting.Have four regulation connecting rods, corresponding every adjusts connecting rod and is equipped with a stepped positioning head, supports knot to improve
Fluency and the stability of state holding that structure is adjusted.
Operation principle of the present utility model and advantage are as follows：
A kind of ladder feet with retractable supports structure of this utility model, its supporting construction includes two and is articulated with skirt
Support rod member, two are articulated with the regulation connecting rod supporting rod member, and one is fixedly arranged on the regulation positioning seat between two foot of ladders, and this regulation positions
Seat is respectively arranged on the left side and the right side a regulation locating slot, for adjusting rod slide positioning；Adjust locating slot and include long slot bore and elongated slot
The circular hole at hole two；The upper end adjusting connecting rod is slidably connected with adjusting locating slot by a flexible positioning piece, this flexible positioning piece
There is a body of rod, the body of rod is arranged with stepped positioning head and a spring of a tool three-level；The prime ladder of stepped positioning head
Correspondence is resisted against regulation connecting rod, and diameter is less than or equal to long slot bore groove width；Intermediate ladder with diameter greater than long slot bore groove width, but little
In or be equal to Circularhole diameter；Rear class ladder with diameter greater than Circularhole diameter.Compared to existing technologies, this utility model solves
The ladder feet problem poor with ground supports stability, and its supporting construction is scalable, reasonable in design, not only lock-out state
When stability and reliability high, and unlock also very convenient, therefore there is preferably practical improvement.
Brief description
Axonometric chart when accompanying drawing 1 supports rod member to open for this utility model embodiment；
Accompanying drawing 2 supports structural representation during rod member folding for this utility model embodiment；
Accompanying drawing 3 is to adjust connecting rod and the location state diagram adjusting positioning seat in Fig. 1；
Accompanying drawing 4 adjusts connecting rod for this utility model embodiment and is adjusting schematic diagram when moving in positioning seat；
Accompanying drawing 5 is to adjust connecting rod and the location state diagram adjusting positioning seat in Fig. 2；
Accompanying drawing 6 is the side cross sectional views of Fig. 3 or Fig. 5；
Accompanying drawing 7 is the side cross sectional views of Fig. 4；
Accompanying drawing 8 unlocks cross-sectional schematic when adjusting connecting rod for this utility model embodiment.
In the figures above：1. cleat stanchion；2. mark time；3. foot of ladder；4. support rod member；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. springs；12. prime ladders；13. intermediate ladders；14. rear classes
Ladder.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to this utility model：
Embodiment：Referring to shown in accompanying drawing 1 ~ 8, a kind of ladder feet with retractable supports structure, described ladder includes
The two parallel and cleat stanchions 1 that are vertically arranged, and be fixedly arranged on described in two between cleat stanchion 1 multiple parallel and horizontally disposed mark time 2；
The lower end of described cleat stanchion 1 is foot of ladder 3, and described supporting construction is on described foot of ladder 3；Described supporting construction includes：
Two support rod members 4, support the upper end of rod member 4 to be hingedly connected to the outside of foot of ladder 3 described in two described in two；
Two regulation connecting rods 5, the lower end adjusting connecting rod 5 described in two is hingedly connected to support the lower end of rod member 4 described in two；
One regulation positioning seat 6, this regulation positioning seat 6 is fixedly arranged on described in two between foot of ladder 3, adjusts the left and right two of positioning seat 6
The position that described foot of ladder 3 is adjoined in side offers a regulation locating slot respectively, and this regulation locating slot supplies the described upper end adjusting connecting rod 5
Slide and position；Described regulation locating slot includes horizontally disposed long slot bore 7, and two of this long slot bore 7 is with diameter greater than groove width
Circular hole 8；
Wherein, the described upper end adjusting connecting rod 5 is slidably connected with described regulation locating slot by a flexible positioning piece, this bullet
Property keeper there is a body of rod 9, this body of rod 9 hang down sets and be articulated with described adjust connecting rod 5 upper end；It is arranged with the described body of rod 9
One stepped positioning head 10 and a spring 11, this spring 11 is resisted against the rear portion of described stepped positioning head 10, and with its tension force
This stepped positioning head 10 is forced to be resisted against the described upper end adjusting connecting rod 5；
And, the cross section of described stepped positioning head 10 include from front to back before, during and after three-level ladder；Prime ladder
12 correspondences are resisted against the described upper end adjusting connecting rod 5, and its diameter is less than or equal to the groove width of described long slot bore 7；Intermediate ladder 13
The groove width with diameter greater than described long slot bore 7, but less than or equal to described circular hole 8 diameter；Rear class ladder 14 with diameter greater than
The diameter of described circular hole 8.
Operation principle of the present utility model is as follows：
When the described upper end adjusting connecting rod 5 is located in described regulation locating slot circular hole 8 in the outer part, now due to described
The effect of spring 11, the intermediate ladder 13 of described stepped positioning head 10 snaps in the circular hole 8 in outside, and this outer mother rib lateral rotundum 8 will be described
Stepped positioning head 10 positions, and then located described regulation connecting rod 5 so that described support rod member 4 stays open；
When user presses the described upper end adjusting connecting rod 5, because spring 11 is compressed, described stepped positioning head 10
Retraction, causes the intermediate ladder 13 of stepped positioning head 10 to depart from the circular hole 8 in outside, relieves the described locking adjusting connecting rod 5
State, the now circular hole 8 in the prime ladder 12 entrance outside of stepped positioning head 10, when support rod member 4 described in user folding
Afterwards, described regulation connecting rod 5 together interlocks and drives the prime ladder 12 of described stepped positioning head 10 inwardly to break away into described length
In slotted eye 7, user can stop pressing the described upper end adjusting connecting rod 5；
When the described upper end adjusting connecting rod 5 continuously moves in the described regulation inner mother rib lateral rotundum of locating slot 8, due to described
The tension force effect of spring 11, the intermediate ladder 13 of described stepped positioning head 10 snaps in the circular hole 8 of inner side again, by inside this
Described stepped positioning head 10 is positioned by circular hole 8, and then located described regulation connecting rod 5 so that described support rod member 4 keeps receiving
The state of folding.
Wherein, described connecting rod 5 and the described stepped positioning head 10 of adjusting all has in the described both sides in front and back adjusting positioning seat 6
Setting.Have four regulation connecting rods 5, corresponding every adjusts connecting rod 5 and is equipped with a stepped positioning head 10, supports knot to improve
Fluency and the stability of state holding that structure is adjusted.
A kind of ladder feet with retractable supports structure of this utility model, its supporting construction includes two and is articulated with skirt
Support rod member, two are articulated with the regulation connecting rod supporting rod member, and one is fixedly arranged on the regulation positioning seat between two foot of ladders, and this regulation positions
Seat is respectively arranged on the left side and the right side a regulation locating slot, for adjusting rod slide positioning；Adjust locating slot and include long slot bore and elongated slot
The circular hole at hole two；The upper end adjusting connecting rod is slidably connected with adjusting locating slot by a flexible positioning piece, this flexible positioning piece
There is a body of rod, the body of rod is arranged with stepped positioning head and a spring of a tool three-level；The prime ladder of stepped positioning head
Correspondence is resisted against regulation connecting rod, and diameter is less than or equal to long slot bore groove width；Intermediate ladder with diameter greater than long slot bore groove width, but little
In or be equal to Circularhole diameter；Rear class ladder with diameter greater than Circularhole diameter.Compared to existing technologies, this utility model solves
The ladder feet problem poor with ground supports stability, and its supporting construction is scalable, reasonable in design, not only lock-out state
When stability and reliability high, and unlock also very convenient, therefore there is preferably practical improvement.
Above-described embodiment is only that technology design of the present utility model and feature are described, its object is to allow and is familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, all should cover protection domain of the present utility model it
Interior.
Claims (2)
1. a kind of ladder feet with retractable supports structure, described ladder includes the two parallel and cleat stanchions that are vertically arranged, with
And multiple parallel and horizontally disposed marking time of being fixedly arranged on described in two between cleat stanchion；It is characterized in that：The lower end of described cleat stanchion is
Foot of ladder, described supporting construction is on described foot of ladder；Described supporting construction includes：
Two support rod members, support the upper end of rod member to be hingedly connected to the outside of foot of ladder described in two described in two；
Two regulation connecting rods, the lower end adjusting connecting rod described in two is hingedly connected to support the lower end of rod member described in two；
One regulation positioning seat, this regulation positioning seat is fixedly arranged on described in two between foot of ladder, and institute is adjoined in the left and right sides adjusting positioning seat
The position stating foot of ladder offers a regulation locating slot respectively, and this regulation locating slot supplies the described upper end slip positioning adjusting connecting rod；
Described regulation locating slot includes horizontally disposed long slot bore, and two of this long slot bore is the circular hole with diameter greater than groove width；
Wherein, the described upper end adjusting connecting rod is slidably connected with described regulation locating slot by a flexible positioning piece, and this elasticity is fixed
Position part has a body of rod, and this body of rod hangs down and sets and be articulated with the described upper end adjusting connecting rod；It is arranged with one stepped on the described body of rod
Positioning head and a spring, this spring is resisted against the rear portion of described stepped positioning head, and forces this stepped positioning with its tension force
Head is resisted against the described upper end adjusting connecting rod；
And, the cross section of described stepped positioning head include from front to back before, during and after three-level ladder；Prime ladder correspondence is supported
Lean against the described upper end adjusting connecting rod, its diameter is less than or equal to the groove width of described long slot bore；Intermediate ladder with diameter greater than institute
State the groove width of long slot bore, but the diameter less than or equal to described circular hole；The diameter with diameter greater than described circular hole of rear class ladder.
2. ladder feet according to claim 1 it is characterised in that：Described regulation connecting rod and described stepped positioning head in
All there is setting the described both sides in front and back adjusting positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435055.XU CN205955637U (en) | 2016-05-13 | 2016-05-13 | Ladder ladder feet with scalable bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435055.XU CN205955637U (en) | 2016-05-13 | 2016-05-13 | Ladder ladder feet with scalable bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955637U true CN205955637U (en) | 2017-02-15 |
Family
ID=57967360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620435055.XU Withdrawn - After Issue CN205955637U (en) | 2016-05-13 | 2016-05-13 | Ladder ladder feet with scalable bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804634A (en) * | 2016-05-13 | 2016-07-27 | 苏州飞华铝制工业有限公司 | Ladder foot with retractable supporting structure of ladder |
| WO2021248312A1 (en) * | 2020-06-09 | 2021-12-16 | 施昌邑 | Lateral stabilizer device for working ladder |
-
2016
- 2016-05-13 CN CN201620435055.XU patent/CN205955637U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804634A (en) * | 2016-05-13 | 2016-07-27 | 苏州飞华铝制工业有限公司 | Ladder foot with retractable supporting structure of ladder |
| WO2021248312A1 (en) * | 2020-06-09 | 2021-12-16 | 施昌邑 | Lateral stabilizer device for working ladder |
| GB2611894A (en) * | 2020-06-09 | 2023-04-19 | Chang I Shih | Lateral stabilizer device for working ladder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205591813U (en) | Extension ladder | |
| CN205493264U (en) | Make things convenient for telescopic bed frame of dismouting | |
| CN205955637U (en) | Ladder ladder feet with scalable bearing structure | |
| CN105201192B (en) | A kind of interior decoration scaffold | |
| CN105804634B (en) | A kind of ladder feet with retractable supports structure | |
| CN204015684U (en) | A kind of collapsible stool | |
| CN205477348U (en) | Ladder landing platform device | |
| CN203813354U (en) | Special bracket for inserting cable in municipal engineering | |
| CN105275377A (en) | Herringbone ladder | |
| CN208294041U (en) | One kind being used for side slope construction Integral foldable scaffold | |
| CN207177715U (en) | A kind of ladder | |
| CN205795092U (en) | The umbrella of adjustable dimension | |
| CN103956692B (en) | Municipal works intert cable special stand | |
| CN205476400U (en) | But slider formula folding operations footboard device | |
| CN211314069U (en) | Folding ladder of ascending a height | |
| CN210509017U (en) | Ladder guardrail device of ascending a height convenient to adjust | |
| CN211431751U (en) | Automatic retraction drawer cabinet | |
| CN205674761U (en) | A kind of drawing board | |
| CN205499547U (en) | Bag support | |
| CN205516143U (en) | Height adjustable horizontal bar | |
| CN205094311U (en) | Flexible wall wheel platform that leans on of area linkage | |
| CN204876411U (en) | Collapsiblely multi -functional prevent guardrail bar | |
| CN205695139U (en) | A kind of fishing rod case bracing frame | |
| CN203626584U (en) | Width adjustable foot ladder | |
| CN205276910U (en) | Safety protective guard for construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20180109 |