CN209704464U - A kind of double ladder opening and closing adjustable angle - Google Patents
A kind of double ladder opening and closing adjustable angle Download PDFInfo
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- CN209704464U CN209704464U CN201920126091.1U CN201920126091U CN209704464U CN 209704464 U CN209704464 U CN 209704464U CN 201920126091 U CN201920126091 U CN 201920126091U CN 209704464 U CN209704464 U CN 209704464U
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Abstract
The utility model discloses a kind of double ladders for opening and closing adjustable angle, including horizontally disposed stand, first ladder hinged with stand bottom, second ladder hinged with stand bottom, the second base for being set to the first base of the first ladder bottom and being set to the second ladder bottom；Regulating device is equipped between first ladder and the second ladder, regulating device includes the side walls hinged adjustable column of the adjusting set being rotatablely connected far from the end face of the first ladder with one end and the first ladder close to side walls hinged Rotational Cylindrical, one end and the Rotational Cylindrical of the second ladder and one end and the second ladder close to the first ladder, and adjustable column is set in adjusting set far from one end of the second ladder and connect with adjusting set inner thread.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, so that the folding adjustable angle of the double ladder, changes the height of ascending a height of the double ladder, so it is suitable for the decoration construction scene of a variety of requirement for height of ascending a height.
Description
Technical field
The utility model relates to double ladder field, in particular to a kind of double ladder for opening and closing adjustable angle.
Background technique
Double ladder is common a kind of decoration construction tool in daily life, because of it in use, the ladder bars of front and back and ground
Constitute an isosceles triangle, it appears that be known as " double ladder " as " people " word, thus its image.Double ladder generally by
The relatively turnable ladder of two panels is constituted, and can be folded, be taken up little area, convenient for storage, light-weight, conveniently moving.When in use, will
The expansion of two panels ladder is in herringbone, can be used on other objects without resting on, in addition, being unable to satisfy for part ground
Double ladder expansion place condition when, double ladder can be folded into yi shaped ladder carry out using.
Currently, the Chinese invention patent that notification number is CN109025781A discloses a kind of sliding-type double ladder.The herringbone
Ladder includes left support frame and right support frame, is connected between left support frame and right support frame by hinge arrangement, and hinge arrangement includes
Hinge axis and two hinges being set on hinge axis, hinge axis are equipped with connection frame, and connection frame includes being fixed on hinge axis both ends
Vertical bar, further include transverse bar, the lower end of transverse bar is equipped with Active foot plate, and Active foot plate includes a hinged left side on the transverse bar
Pedal and right-hand tread plate, left support frame are equipped with the left limit cross bar of limit left-hand tread plate, and right support frame is equipped with the right limit of limit right-hand tread plate
Position cross bar；The connecting spring that traction right-hand tread plate moves upwards is equipped between right-hand tread plate and vertical bar, right-hand tread plate is close to right support frame
Bottom be hinged with movable support frame, the bottom of left support frame and right support frame is equipped with the idler wheel for sliding.
In above-mentioned technical proposal, user station can slide ladder on ladder, but have the following deficiencies: the double ladder
Folding angle it is non-adjustable, so can not adjust double ladder ascend a height height, be not suitable for the finishing of a variety of requirement for height of ascending a height
Construction site.For this purpose, needing a kind of double ladder for opening and closing adjustable angle, the folding adjustable angle of the double ladder has adjusted the people
The height of ascending a height of word ladder, so it is suitable for the decoration construction scene of a variety of requirement for height of ascending a height.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of herringbones for opening and closing adjustable angle
Ladder, the folding adjustable angle of the double ladder changes the height of ascending a height of the double ladder, so it is suitable for a variety of requirement for height of ascending a height
Decoration construction scene.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of double ladder opening and closing adjustable angle, including horizontally disposed stand, first ladder hinged with stand bottom,
With stand bottom the second hinged ladder, be set to the first base of the first ladder bottom and be set to the second ladder bottom
Second base；Between first ladder and the second ladder be equipped with regulating device, the regulating device include with one end with it is described
First ladder is close to the side walls hinged Rotational Cylindrical of second ladder, one end and end face of the Rotational Cylindrical far from the first ladder
The adjusting set of rotation connection and one end and side walls hinged adjustable column of second ladder close to the first ladder, the adjusting
Column is set in the adjusting set far from one end of second ladder and connect with adjusting set inner thread.
By using above-mentioned technical proposal, when adjusting set rotation, adjusting set is axially moved relative to adjustable column along its own
It is dynamic, so that adjusting set changes close to the end of Rotational Cylindrical to adjustable column close to the distance between end of the second ladder, to change
Become the first ladder and at a distance from height, has adjusted opening between the first ladder and the second ladder where adjusting set with the second ladder
Close angle degree, so the height of ascending a height of the double ladder is changed, so it is suitable for the decoration construction scene of a variety of requirement for height of ascending a height.
The utility model is further arranged to, and the first base upper surface and first ladder bottom are hinged, described
Second base upper surface and second ladder bottom are hinged.
By using above-mentioned technical proposal, when the folding angulation change between the first ladder and the second ladder, the first ladder
Frame is rotated relative to first base, and the second ladder is rotated relative to second base, so that after the herringbone trapeziodal modulation section, the first bottom
The bottom surface of seat and second base still offsets with bottom surface, prevents the folding angulation change between the first ladder and the second ladder and leads
The case where first base and second base are relative to ground inclination is caused, so that the first ladder and the second ladder bottom are still
It is abutted with bottom surface securely.
The utility model is further arranged to, and is arranged in the adjusting set anti-skidding with adjusting set outer wall fixation
Set, the Anti-slip cover outer wall are carved with anti-skid chequer.
By using above-mentioned technical proposal, Anti-slip cover is arranged and is fixed in adjusting set, and anti-skid chequer is carved on Anti-slip cover,
When so that user's hand holding Anti-slip cover outer wall, in the groove of skin tissue's insertion anti-skid chequer of user's hand, to increase
The big friction of user's hand and adjusting set, skidding when preventing user from rotating adjusting set.
The utility model is further arranged to, and flexible antirust sleeve, the antirust sleeve are arranged on the adjustable column
One end is fixed and is sealed close to the side wall of the adjustable column with second ladder, the other end be sheathed in the adjusting set and with
Its outer wall offsets.
By using above-mentioned technical proposal, antirust sleeve, and antirust sleeve one end and the second ladder side wall are arranged on adjustable column
It fixes and seals, the other end is sheathed in adjusting set, and antirust sleeve inner wall offsets with adjusting set outer wall, reduces on adjustable column
The contact of screw thread and the external world prevents the spots such as paint of the adjustable column by finishing work when from polluting, so that regulating device be avoided to fail.
The utility model is further arranged to, and the first base bottom surface is fixed with the first rubber pad, first rubber
Pad has elasticity.
The first of first base bottom is fixed on when first base offsets with ground by using above-mentioned technical proposal
Rubber pad is contacted with broken terrain, and the first rubber pad has elasticity, so that multiple position distortions of the first rubber pad
And be embedded at depression in the land surface, to increase the friction on first base and ground, be conducive to improve when the double ladder supports
Stability.
The utility model is further arranged to, and first rubber pad bottom surface is fixed with the first tread plate, and described first is anti-
Rotation direction between the length direction of draw runner and first ladder and second ladder is vertical.
By using above-mentioned technical proposal, when first base and ground skidding, the first rubber pad is slided relative to ground,
At this point, the first tread plate slides laterally relative to ground, until the first tread plate offsets with the high spot on ground, the is increased
The friction of one pedestal and ground is conducive to improve stability when double ladder support.
The utility model is further arranged to, and is additionally provided between first ladder and second ladder and is set to first
Guiding device of the ladder far from the regulating device side, the guiding device include one end and first ladder close to described
Side walls hinged telescopic, one end and second ladder of second ladder stretch close to the side walls hinged of the first ladder
Column and the telescopic block fixed close to one end of first ladder with the telescopic mast, the telescopic block are set to described flexible
It is slidably connected in set and with the telescopic inner wall.
By using above-mentioned technical proposal, when adjustment device work, the first ladder is rotated relative to the second ladder, this
When, in the height of telescopic, the distance between first ladder to the second ladder changes, and telescopic block is slided in telescopic, stablizes
Rotation between first ladder and the second ladder.
The utility model is further arranged to, and the telescopic is fixed with far from one end of first ladder to be stretched with described
The spacing collar of contracting set coaxial line, the inner diameter of the spacing collar are less than the diameter of the telescopic block end face.
By using above-mentioned technical proposal, when the first ladder is directed away from the direction rotation of the second ladder, telescopic block court
It is slided to telescopic far from the direction of the first ladder, until telescopic block offsets with spacing collar, so that the first ladder and the second ladder
It stops operating, prevents the folding angle of the first ladder and the second ladder excessive.
In conclusion the advantageous effects of the utility model are as follows:
1. adjusting set is close to the end of Rotational Cylindrical to adjustable column between the end of the second ladder when adjusting set rotation
Distance change, at a distance from height, having adjusted the first ladder where adjusting set with the second ladder to change the first ladder
Folding angle between the second ladder, so the height of ascending a height of the double ladder is changed, so it is suitable for a variety of height of ascending a height
It is required that decoration construction scene；
2. antirust sleeve is arranged on adjustable column, and antirust sleeve one end is fixed and is sealed with the second ladder side wall, another end cap
In adjusting set, and antirust sleeve inner wall offsets with adjusting set outer wall, prevents the spots such as paint of the adjustable column by finishing work when
Pollution, so that regulating device be avoided to fail；
3. the first ladder is rotated relative to the second ladder when adjustment device work, at this point, the first ladder to the second ladder
Between horizontal distance change, telescopic block in telescopic slide, stabilize the rotation between the first ladder and the second ladder.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the structural schematic diagram of regulating device.
In figure: 1, stand；2, the first ladder；21, the first ladder bars；3, the second ladder；31, the second ladder bars；4, first base；
41, the first rubber pad；42, the first tread plate；5, second base；51, the second rubber pad；52, the second tread plate；6, dress is adjusted
It sets；61, Rotational Cylindrical；62, adjusting set；621, Anti-slip cover；63, adjustable column；631, antirust sleeve；7, guiding device；71, telescopic；
711, spacing collar；72, telescopic mast；73, telescopic block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of double ladder for opening and closing adjustable angle, including stand 1, the first ladder 2, the second ladder 3, first
Pedestal 4, second base 5, regulating device 6 and guiding device 7.Stand 1 is rectangular parallelepiped structure, and length direction is horizontal.First
Ladder 2 is rectangular box-like, and length direction is relative to ground inclination, and the upper end frame and 1 bottom surface of stand are hinged.First ladder 2
The first ladder bars 21 are inside equipped with, the first ladder bars 21 are the rounded elongated rod shape structure in section, axis horizontal and the length with stand 1
Direction is vertical, and two sides inner sidewall of 21 both ends of the first ladder bars respectively with the first ladder 2 is fixed.In addition, the first ladder bars 21 are equipped with
Multiple, multiple first ladder bars 21 are evenly distributed along the length direction of the first ladder 2.First base 4 is rectangular parallelepiped structure, length
Direction is parallel with the length direction of lower frame of the first ladder 2, and the lower frame of the upper surface of first base 4 and the first ladder 2
Hingedly.First base 4 is equipped with the first rubber pad 41 and the first tread plate 42.First rubber pad 41 is rectangular plate-like, by bullet
Property rubber material is made, and upper surface is overlapped and fixes with base end face.First tread plate 42 is the strip of rectangular in cross-section
Structure is made of plastics, and length direction is consistent with the length direction of first base 4, and 42 upper surface of the first tread plate and the
The bottom surface of one rubber pad 41 is fixed.In addition, the first tread plate 42 be equipped with it is multiple, multiple first tread plates 42 are along first base 4
Width direction is evenly distributed.
As shown in Figure 1, the second ladder 3 is rectangular box-like, length direction is relative to ground inclination, and the upper end frame and frame
1 bottom surface of seat is hinged.In addition, the second ladder 3 being divided equally relative to stand 1 perpendicular to the vertical of 1 length direction of stand with the first ladder 2
Face is symmetrical.The second ladder bars 31 are equipped in second ladder 3, the second ladder bars 31 are the rounded elongated rod shape structure in section, axis water
It is flat and vertical with the length direction of stand 1, and two sides inner sidewall of 31 both ends of the second ladder bars respectively with the second ladder 3 is fixed.This
Outside, the second ladder bars 31 are equipped with multiple, and multiple second ladder bars 31 are evenly distributed along the length direction of the second ladder 3.Second base 5 is
Rectangular parallelepiped structure, length direction is parallel with the length direction of lower frame of the second ladder 3, and the upper surface of second base 5 with
The lower frame of second ladder 3 is hinged.Second base 5 is equipped with the second rubber pad 51 and the second tread plate 52.Second rubber pad
51 be rectangular plate-like, is made of elastic rubber material, and upper surface is overlapped and fixes with base end face.Second tread plate 52 is to cut
Face is in the strip structure of rectangle, is made of plastics, and length direction is consistent with the length direction of second base 5, and second is anti-
52 upper surface of draw runner and the bottom surface of the second rubber pad 51 are fixed.In addition, the second tread plate 52 is equipped with multiple, multiple second tread plates
52 along second base 5 width direction it is evenly distributed.
As shown in Fig. 2, regulating device 6 includes Rotational Cylindrical 61, adjusting set 62 and adjustable column 63.As shown in connection with fig. 1, it rotates
Column 61 is cylindrical structure, axis horizontal, and 61 one end of Rotational Cylindrical and 2 tilt frame side of the first ladder close to the second ladder 3
It is side walls hinged.Adjusting set 62 is circular tube shaped, one end closing, another end opening.The axis of adjusting set 62 and the axis of Rotational Cylindrical 61
Line is overlapped, and the closed end end face of adjusting set 62 and Rotational Cylindrical 61 are rotatablely connected far from one end of the first ladder 2.Adjustable column 63 is
The rounded rod-like structure in section, axis are overlapped with the axis of adjusting set 62, and 63 one end of adjustable column and the second ladder 3 tilt
Frame side is side walls hinged close to the first ladder 2, and the other end is extended in adjusting set 62 and is threadedly coupled with adjusting set 62.In addition,
Anti-slip cover 621 is arranged in adjusting set 62, Anti-slip cover 621 is circular tube shaped, is made of rubber material, outside inner wall and adjusting set 62
Wall is fixed, and 621 outer wall of Anti-slip cover is carved with anti-skid chequer.Antirust sleeve 631 is arranged on adjustable column 63, the section of antirust sleeve 631 is in
Circle is made of elastic rubber material, is sheathed on adjustable column 63, and 631 one end of antirust sleeve is sheathed in adjusting set 62 simultaneously
It offsets with its outer wall, the other end side wall hinged with adjustable column 63 with the second ladder 3 is fixed and sealed.
As shown in Fig. 2, guiding device 7 includes telescopic 71, telescopic mast 72 and telescopic block 73, telescopic 71 is round tube
Shape, one end closing, another end opening, and the axis of telescopic 71 is parallel with the axis of adjusting set 62.As shown in connection with fig. 1, it stretches
Contracting set 71 is set at the first frame of the ladder 2 far from adjusting set 62, and 71 closed end of telescopic and the frame are close to the second ladder
Frame 3 it is side walls hinged.Telescopic mast 72 is cylindrical structure, and one end and the second ladder 3 inclination frame are close to the side of telescopic 71
Wall is hinged, and the axis of telescopic mast 72 is overlapped with the axis of telescopic 71.Telescopic block 73 is circular block shape, axis and telescopic mast
72 axis is overlapped, and telescopic block 73 is fixed with telescopic mast 72 far from one end of the second ladder 3.Telescopic mast 72 is far from the second ladder
3 one end is set in telescopic 71, and telescopic block 73 is slidably connected with 71 inner wall of telescopic.In addition, what telescopic 71 was open
One end is fixed with spacing collar 711, and spacing collar 711 is the circle cyclic structure of rectangular in cross-section, the axis of axis and telescopic 71
It is overlapped, and the inner diameter of spacing collar 711 is less than the end face diameter of telescopic block 73.
When the present embodiment is in use, when adjusting set 62 rotates, adjusting set 62 is relative to adjustable column 63 along its own axial direction
It is mobile, so that adjusting set 62 changes close to the end of Rotational Cylindrical 61 to adjustable column 63 close to the distance between the end of the second ladder 3
Become, has adjusted the folding angle between the first ladder 2 and the second ladder 3, so the height of ascending a height of the double ladder is changed, so
Decoration construction scene suitable for a variety of requirement for height of ascending a height.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of double ladder for opening and closing adjustable angle, first including horizontally disposed stand (1), hinged with stand (1) bottom
Ladder (2), second ladder (3) hinged with stand (1) bottom, the first base (4) for being set to the first ladder (2) bottom and
It is set to the second base (5) of the second ladder (3) bottom, it is characterized in that: between first ladder (2) and the second ladder (3)
Equipped with regulating device (6), the regulating device (6) includes with one end and first ladder (2) close to second ladder (3)
Side walls hinged Rotational Cylindrical (61), the tune that is rotatablely connected far from the end face of the first ladder (2) of one end and the Rotational Cylindrical (61)
The side walls hinged adjustable column (63) of section set (62) and one end and second ladder (3) close to the first ladder (2), the tune
Segmented column (63) be set in the adjusting set (62) far from one end of second ladder (3) and with adjusting set (62) inner thread
Connection.
2. a kind of double ladder for opening and closing adjustable angle according to claim 1, it is characterized in that: in the first base (4)
Surface and the first ladder (2) bottom are hinged, and second base (5) upper surface and the second ladder (3) bottom are hinged.
3. a kind of double ladder for opening and closing adjustable angle according to claim 1, it is characterized in that: being covered in the adjusting set (62)
Equipped with the Anti-slip cover (621) fixed with the adjusting set (62) outer wall, Anti-slip cover (621) outer wall is carved with anti-skid chequer.
4. a kind of double ladder for opening and closing adjustable angle according to claim 3, it is characterized in that: being covered on the adjustable column (63)
Equipped with flexible antirust sleeve (631), described antirust sleeve (631) one end and second ladder (3) are close to the adjustable column
(63) side wall is fixed and is sealed, and the other end is sheathed on the adjusting set (62) and offsets with its outer wall.
5. a kind of double ladder for opening and closing adjustable angle according to claim 2, it is characterized in that: the first base (4) bottom
Face is fixed with the first rubber pad (41), and first rubber pad (41) has elasticity.
6. a kind of double ladder for opening and closing adjustable angle according to claim 5, it is characterized in that: first rubber pad (41)
Bottom surface is fixed with the first tread plate (42), the length direction of first tread plate (42) and first ladder (2) and institute
The rotation direction stated between the second ladder (3) is vertical.
7. it is according to claim 3 it is a kind of open and close adjustable angle double ladder, it is characterized in that: first ladder (2) with
The guiding device for being set to the first ladder (2) the separate regulating device (6) side is additionally provided between second ladder (3)
(7), the guiding device (7) includes that one end is stretched with first ladder (2) close to the side walls hinged of the second ladder (3)
Contracting set (71), one end and second ladder (3) close first ladder (2) side walls hinged telescopic mast (72) and with it is described
Telescopic mast (72) telescopic block (73) fixed close to one end of first ladder (2), the telescopic block (73) is set to described
It is slidably connected in telescopic (71) and with the telescopic (71) inner wall.
8. a kind of double ladder for opening and closing adjustable angle according to claim 7, it is characterized in that: the telescopic (71) is separate
One end of first ladder (2) is fixed with the spacing collar (711) with the telescopic (71) coaxial line, the spacing collar
(711) inner diameter is less than the diameter of the telescopic block (73) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126091.1U CN209704464U (en) | 2019-01-24 | 2019-01-24 | A kind of double ladder opening and closing adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126091.1U CN209704464U (en) | 2019-01-24 | 2019-01-24 | A kind of double ladder opening and closing adjustable angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704464U true CN209704464U (en) | 2019-11-29 |
Family
ID=68640364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920126091.1U Active CN209704464U (en) | 2019-01-24 | 2019-01-24 | A kind of double ladder opening and closing adjustable angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173438A (en) * | 2020-01-10 | 2020-05-19 | 胡兴成 | Building engineering is with preventing falling cat ladder |
| CN111577112A (en) * | 2020-04-06 | 2020-08-25 | 国网河北省电力有限公司故城县供电分公司 | Special auxiliary assembly of electricity is stolen in looking for |
| CN113339676A (en) * | 2021-06-01 | 2021-09-03 | 青岛黄海学院 | Think political affairs practice teaching outdoor investigation auxiliary device for visiting and use method thereof |
-
2019
- 2019-01-24 CN CN201920126091.1U patent/CN209704464U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173438A (en) * | 2020-01-10 | 2020-05-19 | 胡兴成 | Building engineering is with preventing falling cat ladder |
| CN111577112A (en) * | 2020-04-06 | 2020-08-25 | 国网河北省电力有限公司故城县供电分公司 | Special auxiliary assembly of electricity is stolen in looking for |
| CN113339676A (en) * | 2021-06-01 | 2021-09-03 | 青岛黄海学院 | Think political affairs practice teaching outdoor investigation auxiliary device for visiting and use method thereof |
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