CN109750974A - A kind of ladder - Google Patents
A kind of ladder Download PDFInfo
- Publication number
- CN109750974A CN109750974A CN201910088701.8A CN201910088701A CN109750974A CN 109750974 A CN109750974 A CN 109750974A CN 201910088701 A CN201910088701 A CN 201910088701A CN 109750974 A CN109750974 A CN 109750974A
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- hole
- installation
- ladder
- locating
- locating shaft
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Abstract
A kind of ladder.It is characterized by comprising the first ladder portion, the second ladder portion, connector, supporting element, locating piece, limits to adjust drawstring, the locating piece has a locating shaft also cross the 4th installation through-hole and the second installation through-hole, and another locating shaft passes through the first position of the 5th installation through-hole；The locating piece has a locating shaft also cross the 4th installation through-hole and third installation through-hole, and another locating shaft passes through the second position of the 5th installation through-hole；There is the locating piece locating shaft to pass through the first installation through-hole, and another locating shaft passes through the third place of third installation through-hole.It the advantage is that using above scheme, applied widely, practicability is good, it can be achieved that ladder is changed adjusting in various different heights, different angle, different form.
Description
Technical field
The present invention relates to climbing tools, and in particular to a kind of ladder.
Background technique
Ladder, daily life tools, for climbing.
Ladder does side by two root long thick bar, and scansorial cross bar is crossed in centre, by structure point, can be divided into the single ladder of lifting
With lifting double ladder.
Single ladder is generally used only for ascending a height, and double ladder is then more suitable for high-order homework, but there is only one kind for existing every kind of ladder
Form can not change, have a single function.
Summary of the invention
In order to overcome the shortcomings of that background technique, the present invention provide a kind of ladder.
The technical solution adopted in the present invention: a kind of ladder, including the first ladder portion, the second ladder portion, connector, supporting element,
Locating piece, limit adjust drawstring；First ladder portion include two first support bars and several first stepped stems, described first
Stepped stem is evenly spaced between two first support bars, and two first support bar upper ends are connected with the first connecting shaft, and two
Root first support bar is correspondingly arranged on the first installation through-hole close to the position of upper end；Second ladder portion includes two second supports
Bar and several second stepped stems, second stepped stem are evenly spaced between two second support bars, and two second
The upper end of support rod is connected with the second connecting shaft, and second connecting shaft center is equipped with the second installation through-hole, two second supports
Bar is correspondingly arranged on third installation through-hole close to the position of lower end；Described connector one end connect axis connection, the other end with first
Axis connection is connect with second；The supporting element includes two third support rods and at least two connecting rods, and the connecting rod connects
Two third support rods are connect, two supporting elements are corresponding in turn to from top to bottom equipped with the 4th installation through-hole, the 5th installation through-hole；It is described
Locating piece includes mounting plate and the locating shaft for installing board ends；The first support bar and the length of third support rod are greater than second
Support rod, centre distance, the 4th installation through-hole between two locating shafts and the center between the 5th installation through-hole
During distance, first support bar and second support bar are in when on same straight line between the first installation through-hole and third installation through-hole
For the heart apart from all the same, the locating piece has a locating shaft also cross the 4th installation through-hole and the second installation through-hole, another
Root locating shaft passes through the first position of the 5th installation through-hole；
The locating piece has a locating shaft also cross the 4th installation through-hole and third installation through-hole, and another locating shaft is worn
Cross the second position of the 5th installation through-hole；There is the locating piece locating shaft to pass through the first installation through-hole, another positioning
Axis passes through the third place of third installation through-hole；The limit adjust drawstring include band body, band body one end and connecting rod or
First stepped stem is fixedly connected, and the other end is around the first stepped stem or connecting rod and is equipped with grab, is uniformly arranged on the band body
It is several can it is corresponding with grab mutually card buckle.
The position of corresponding 5th installation through-hole of the third support rod is equipped with retaining mechanism.
The retaining mechanism includes annular convex platform, check lock lever, elastic component, and the annular convex platform is fixed on third support rod
It is coaxially disposed with the 5th installation through-hole, the annular convex platform is equipped with the through-hole being arranged radially, and the check lock lever is inserted into through-hole, institute
Locating shaft is stated equipped with location hole corresponding with through-hole, the elastic component drives check lock lever to be inserted into positioning hole.
The locking boom end be equipped with knob portion, the elastic component use elastic ring, it is described elasticity snare annular convex platform,
Outside knob portion.
First stepped stem is identical as the first connecting axle structure, second stepped stem and the second connecting axle structure phase
Together.
First installation through-hole and one of them concentric setting of the first stepped stem, the third installation through-hole with wherein
One concentric setting of the second stepped stem.
When the locating piece is in the third place, wherein a locating shaft is logical also cross third installation through-hole and the 4th installation
Hole.
The 6th installation through-hole, the 6th installation through-hole and the 4th installation through-hole are correspondingly arranged on two supporting elements
Centre distance it is identical as the centre distance of second installation through-hole and third installation through-hole；
When the locating piece is in the third place, wherein a locating shaft is also cross the 6th installation through-hole and third installation through-hole.
The beneficial effects of the present invention are: using above scheme, it can be achieved that ladder is in various different heights, different angle, no
With adjusting is changed in form, applied widely, practicability is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ladder of embodiment of the present invention first position.
Fig. 2 is the structural schematic diagram of ladder of the embodiment of the present invention second position.
Fig. 3 is the structural schematic diagram of ladder of embodiment of the present invention the third place.
Fig. 4 is the structural schematic diagram of second of form of ladder of embodiment of the present invention the third place.
Fig. 5 is the structural schematic diagram of the third form of ladder of embodiment of the present invention the third place.
Fig. 6 is the enlarged diagram in Fig. 1 at A.
Fig. 7 is the structural schematic diagram in the first ladder of embodiment of the present invention portion.
Fig. 8 is the structural schematic diagram in the second ladder of embodiment of the present invention portion.
Fig. 9 is the structural schematic diagram of supporting element of the embodiment of the present invention.
Figure 10 is the structural schematic diagram of locating piece of the embodiment of the present invention.
Figure 11 is the structural schematic diagram that limit of the embodiment of the present invention adjusts drawstring.
Specific embodiment
Embodiments of the present invention is further illustrated with reference to the accompanying drawing:
As shown, a kind of ladder, including the first ladder portion 1, the second ladder portion 2, connector 3, supporting element 4, locating piece 5, limit tune
Save drawstring 6.
First ladder portion 1 includes two first support bars 11 and several first stepped stems 12, first stepped stem
12 are evenly spaced between two first support bars 11, and two 11 upper ends of first support bar are connected with the first connecting shaft 13,
Two first support bars 11 are correspondingly arranged on the first installation through-hole 14 close to the position of upper end.
Wherein, the first stepped stem 12 is same cylindrical, identical as the structure of the first connecting shaft 13, to can be reduced component
Type, assembling easy to produce, and the first installation through-hole 14 with close to one of them of top, the first stepped stem 12 is concentric sets
It sets.
Second ladder portion 2 includes two second support bars 21 and several second stepped stems 22, second stepped stem
22 are evenly spaced between two second support bars 21, and the upper end of two second support bars 21 is connected with the second connecting shaft
23,23 center of the second connecting shaft is equipped with the second installation through-hole 24, and two second support bars 21 are corresponding close to the position of lower end
It is provided with third installation through-hole 25.
Wherein, the second stepped stem 22 is same cylindrical, identical as the structure of the second connecting shaft 23, to can be reduced component
Type, assembling easy to produce, and third installation through-hole 25 and one of them concentric setting of the second stepped stem 22.
Described 3 one end of connector is connect with the first connecting shaft 13, and the other end is connect with the second connecting shaft 23, first ladder
The end in portion 1 and the second ladder portion 2 can be realized rotation by connector 3.
The supporting element 4 includes two third support rods 41 and at least two connecting rods 42, and the connecting rod 42 connects
Two third support rods 41, two supporting elements 4 are corresponding in turn to from top to bottom equipped with the 4th installation through-hole 43, the 6th installation through-hole
45, the 5th installation through-hole 44.
The locating shaft 52 of the locating piece 5 including 51 both ends of mounting plate 51 and mounting plate, the locating shaft 52 with it is above-mentioned each
A installation through-hole is corresponding, is inserted into each installation through-hole, realize the first ladder portion 1, the second ladder portion 2,4 three of supporting element it
Between position positioning.
It includes band body 61 that the limit, which adjusts drawstring 6, and described 61 one end of band body and one of them first stepped stem 12 are fixed
Connection, the other end around connecting rod 42 and can be equipped with grab 62, be uniformly arranged on the band body 61 it is several can be right with grab 62
The buckle 63 that should mutually block.
Certainly, the band body 61 can also be fixedly connected with connecting rod 42.
Above-mentioned first support bar 11 and the length of third support rod 41 can be identical, the length of the second support bar 21
Degree is slightly short, can be the one third or so of 11 length of first support bar, centre distance, institute between two locating shafts 52
State the centre distance between the 4th installation through-hole 43 and the 5th installation through-hole 44, first support bar 11 is in second support bar 21
Centre distance when on same straight line between the first installation through-hole 14 and third installation through-hole 26 is all the same, and the 6th installation is logical
The centre distance of the centre distance of hole 45 and the 4th installation through-hole 43 and second installation through-hole 24 and third installation through-hole 25
It is identical.
As shown in Figure 1, a locating shaft of the locating piece 5 is also cross the 4th installation through-hole 43 and the second installation through-hole
24, another locating shaft then passes through the 5th installation through-hole 44, while adjusting drawstring 6 by limit and connecting one of them first ladder
Bar 12 and connecting rod 42, to form the herringbone ladder of a standard.
Meanwhile being inserted into different buckles 63 by the grab 62 that limit adjusts drawstring 6, realize that limit adjusts drawstring 6
Length adjustment realizes angular adjustment so as to change the angle between the first ladder portion 1 and supporting element 4.
As shown in Fig. 2, a locating shaft of the locating piece 5 is also cross the 4th installation through-hole 43 and third installation through-hole
25, another locating shaft passes through the second position of the 5th installation through-hole 44, while adjusting drawstring 6 by limit and connecting one of them
First stepped stem 12 and connecting rod 42, to form the trapezoidal ladder of a standard.
Meanwhile being inserted into different buckles 63 by the grab 62 that limit adjusts drawstring 6, realize that limit adjusts drawstring 6
Length adjustment realizes angular adjustment so as to change the angle between the first ladder portion 1 and supporting element 4.
As shown in figure 3, a locating shaft of the locating piece 5 passes through the first installation through-hole 14, another locating shaft is passed through
Third installation through-hole 25, while supporting element 4 of going out, to form single ladder an of standard.
As shown in figure 4, a locating shaft of the locating piece 5 passes through the first installation through-hole 14, another locating shaft is simultaneously
Across third installation through-hole 25 and the 4th installation through-hole 43, while drawstring 6 is adjusted by limit and connects one of them first ladder
Bar 12 and connecting rod 42, to form a tool, there are two the herringbone ladders of different length stabilizer blade.
Meanwhile being inserted into different buckles 63 by the grab 62 that limit adjusts drawstring 6, realize that limit adjusts drawstring 6
Length adjustment realizes angular adjustment so as to change the angle between the first ladder portion 1 and supporting element 4.
As shown in figure 5, a locating shaft of the locating piece 5 passes through the first installation through-hole 14, another locating shaft is simultaneously
Across the 6th installation through-hole 45 and third installation through-hole 25, while drawstring 6 is adjusted by limit and connects one of them first ladder
Bar 12 and connecting rod 42, to form another tool, there are two the herringbone ladders of different length stabilizer blade.
According to specifically used environment, limit can also not had to and adjust drawstring 6, form a single terraced structure, and by supporting element
Cooperate with fulcrum that may be present in the case of specific works and positions.
As shown in fig. 6, the position of corresponding 5th installation through-hole 44 of the third support rod 41 is equipped with retaining mechanism 7.
The retaining mechanism 7 includes annular convex platform 71, check lock lever 72, elastic component 74, and the annular convex platform 71 is fixed on the
It is coaxially disposed on three support rods 41 with the 5th installation through-hole 44, the annular convex platform 71 is equipped with the through-hole being arranged radially, described
Check lock lever 72 is inserted into through-hole, and the locating shaft 52 is equipped with location hole 53 corresponding with through-hole, and the elastic component 73 drives locking
Bar 72 is inserted into location hole 53.
Wherein, 72 end of check lock lever is equipped with knob portion 73, and the elastic component 74 uses elastic ring, the elasticity snare
Outside annular convex platform 71, knob portion 73.
Operation is the elastic force pull-up check lock lever 72 of elastic component 74 to be overcome by knob portion 73, by the locating shaft of locating piece
Installation through-hole is formulated in insertion, is made the through-hole on its location hole 53 and annular convex platform 71 to it, is then loosed one's grip, check lock lever 72 is in elasticity
Be inserted under the resilient force of part in location hole 53, realize positioning and locking, by retaining mechanism 7 make locating piece it is various not
Same position can obtain effective anticreep locking effect, guarantee more safe and reliable when in use.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
Every technical staff's notice: of the invention although the present invention is described according to above-mentioned specific embodiment
Invention thought be not limited in the invention, any repacking with inventive concept will all be included in this patent protection of the patent right
In range.
Claims (8)
1. a kind of ladder, it is characterised in that: including the first ladder portion (1), the second ladder portion (2), connector (3), supporting element (4), determine
Position part (5), limit adjust drawstring (6)；
First ladder portion (1) includes two first support bars (11) and several first stepped stems (12), first ladder
Bar (12) is evenly spaced between two first support bars (11), and two first support bar (11) upper ends are connected with the first company
Spindle (13), two first support bars (11) are correspondingly arranged on the first installation through-hole (14) close to the position of upper end；
Second ladder portion (2) includes two second support bars (21) and several second stepped stems (22), second ladder
Bar (22) is evenly spaced between two second support bars (21), and the upper end of two second support bars (21) is connected with second
Connecting shaft (23), the second connecting shaft (23) center are equipped with the second installation through-hole (24), and two second support bars (21) are close
The position of lower end is correspondingly arranged on third installation through-hole (25)；
Described connector (3) one end is connect with the first connecting shaft (13), and the other end is connect with the second connecting shaft (23)；
The supporting element (4) includes two third support rods (41) and at least two connecting rods (42), the connecting rod (42)
Two third support rods (41) are connected, two supporting elements (4) are corresponding in turn to from top to bottom equipped with the 4th installation through-hole (43), the 5th
Installation through-hole (44)；
The locating piece (5) includes the locating shaft (52) of mounting plate (51) and mounting plate (51) both ends；
The length of the first support bar (11) and third support rod (41) is greater than second support bar (21), two locating shafts
(52) centre distance, the 4th installation through-hole (43) between and the centre distance between the 5th installation through-hole (44), first
Support rod (11) and second support bar (21) are in the first installation through-hole (14) and third installation through-hole (26) when on same straight line
Between centre distance it is all the same,
The locating piece (5) has a locating shaft also cross the 4th installation through-hole (43) and the second installation through-hole (24), separately
A piece locating shaft passes through the first position of the 5th installation through-hole (44)；
The locating piece (5) has a locating shaft also cross the 4th installation through-hole (43) and third installation through-hole (25), separately
A piece locating shaft passes through the second position of the 5th installation through-hole (44)；
There is the locating piece (5) locating shaft to pass through the first installation through-hole (14), and another locating shaft is installed across third
The third place of through-hole (25)；
It includes band body (61), described band body (61) one end and connecting rod (42) or the first stepped stem that the limit, which adjusts drawstring (6),
(12) it is fixedly connected, the other end is around the first stepped stem (12) or connecting rod (42) and is equipped with grab (62), the band body (61)
On be uniformly arranged it is several can it is corresponding with grab (62) mutually card buckle (63).
2. ladder according to claim 1, it is characterised in that: corresponding 5th installation through-hole of the third support rod (41)
(44) position is equipped with retaining mechanism (7).
3. ladder according to claim 2, it is characterised in that: the retaining mechanism (7) includes annular convex platform (71), locking
Bar (72), elastic component (74), the annular convex platform (71) are fixed on third support rod (41) same with the 5th installation through-hole (44)
Axis setting, the annular convex platform (71) are equipped with the through-hole being arranged radially, and the check lock lever (72) is inserted into through-hole, the locating shaft
(52) it is equipped with location hole (53) corresponding with through-hole, the elastic component (73) drives check lock lever (72) to be inserted into location hole (53)
It is interior.
4. ladder according to claim 3, it is characterised in that: check lock lever (72) end is equipped with knob portion (73), institute
Elastic component (74) are stated using elastic ring, the elasticity snare annular convex platform (71), knob portion (73) outside.
5. ladder according to claim 1, it is characterised in that: first stepped stem (12) and the first connecting shaft (13) are tied
Structure is identical, and second stepped stem (22) is identical as the second connecting shaft (23) structure.
6. ladder according to claim 5, it is characterised in that: first installation through-hole (14) and one of them first rank
Ladder bars (12) concentric setting, the third installation through-hole (25) and one of them the second stepped stem (22) concentric setting.
7. ladder according to claim 1, it is characterised in that: when the locating piece (5) is in the third place, wherein centainly
Position axis is also cross third installation through-hole (25) and the 4th installation through-hole (43).
8. ladder according to claim 1, it is characterised in that: be correspondingly arranged on the 6th peace on two supporting elements (4)
It fills through-hole (45), the centre distance and second installation through-hole of the 6th installation through-hole (45) and the 4th installation through-hole (43)
(24) identical with the centre distance of third installation through-hole (25)；
When the locating piece (5) is in the third place, wherein a locating shaft is pacified also cross the 6th installation through-hole (45) and third
It fills through-hole (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088701.8A CN109750974B (en) | 2019-01-30 | 2019-01-30 | Ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088701.8A CN109750974B (en) | 2019-01-30 | 2019-01-30 | Ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109750974A true CN109750974A (en) | 2019-05-14 |
| CN109750974B CN109750974B (en) | 2020-06-09 |
Family
ID=66407057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088701.8A Active CN109750974B (en) | 2019-01-30 | 2019-01-30 | Ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109750974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475971A (en) * | 2020-11-23 | 2021-03-12 | 宁夏大学 | Clamping device for on-site processing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414321A1 (en) * | 1974-03-25 | 1975-10-09 | Benseler Manfred | Adjustable ladder with extending lengths - folds over at an angle, also forms step ladder |
| CN202064815U (en) * | 2011-04-20 | 2011-12-07 | 陈良喜 | Combination ladder |
| CN106988669A (en) * | 2017-05-03 | 2017-07-28 | 王宏斌 | A kind of lifting eyelid retractor of decoration construction |
| CN206522097U (en) * | 2017-02-07 | 2017-09-26 | 广东高登铝业有限公司 | A kind of height-adjustable Multipurpose ladder |
| CN206636475U (en) * | 2016-11-22 | 2017-11-14 | 金乡县金地电力有限责任公司 | The power construction double ladders of Multifunctional repairing |
| CN207315204U (en) * | 2017-10-11 | 2018-05-04 | 浙江工业职业技术学院 | A kind of mobile ladder carried easy to disassemble |
-
2019
- 2019-01-30 CN CN201910088701.8A patent/CN109750974B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414321A1 (en) * | 1974-03-25 | 1975-10-09 | Benseler Manfred | Adjustable ladder with extending lengths - folds over at an angle, also forms step ladder |
| CN202064815U (en) * | 2011-04-20 | 2011-12-07 | 陈良喜 | Combination ladder |
| CN206636475U (en) * | 2016-11-22 | 2017-11-14 | 金乡县金地电力有限责任公司 | The power construction double ladders of Multifunctional repairing |
| CN206522097U (en) * | 2017-02-07 | 2017-09-26 | 广东高登铝业有限公司 | A kind of height-adjustable Multipurpose ladder |
| CN106988669A (en) * | 2017-05-03 | 2017-07-28 | 王宏斌 | A kind of lifting eyelid retractor of decoration construction |
| CN207315204U (en) * | 2017-10-11 | 2018-05-04 | 浙江工业职业技术学院 | A kind of mobile ladder carried easy to disassemble |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475971A (en) * | 2020-11-23 | 2021-03-12 | 宁夏大学 | Clamping device for on-site processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109750974B (en) | 2020-06-09 |
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