CN109025783A - A kind of steel structure adjustable ladder - Google Patents
A kind of steel structure adjustable ladder Download PDFInfo
- Publication number
- CN109025783A CN109025783A CN201811048204.7A CN201811048204A CN109025783A CN 109025783 A CN109025783 A CN 109025783A CN 201811048204 A CN201811048204 A CN 201811048204A CN 109025783 A CN109025783 A CN 109025783A
- Authority
- CN
- China
- Prior art keywords
- support plate
- movable plate
- steel structure
- adjustable ladder
- structure adjustable
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention provides a kind of steel structure adjustable ladders, including the first support plate, second support plate and limiting device, the rotation connection of the upper end of first support plate and the second support plate, the outside of first support plate and/or the second support plate is equipped with several step grooves and movable plate along its length, one step groove is correspondingly arranged a movable plate, one end of movable plate is rotatablely connected by the lower end of connecting shaft and step groove, in the collapsed state of movable plate, movable plate is accommodated into step groove, in the unfolded state of movable plate, movable plate, which turns to, forms pedal outside step groove, connecting shaft is also connected with the power device for driving movable plate to switch between collapsed state and unfolded state by connecting shaft.One aspect of the present invention movable plate can take in step groove, in the reasonable scope by the thickness control of support plate, reduce materials'use；The length of another aspect movable plate can be adjusted according to actual needs, to obtain the wider step supporting surface for meeting ergonomics.
Description
Technical field
The present invention relates to steel structure technology fields, and in particular to a kind of steel structure adjustable ladder.
Background technique
Relative to wooden or bamboo material, the characteristics of steel be intensity it is high, from heavy and light, integral rigidity is good and deforms energy
Power is strong, therefore steel long service life, bearing capacity are higher.
In construction, when constructing for eminence, need using to ladder, such as Authorization Notice No. to be " CN203835242
The utility model of U " discloses a kind of steel structure support frame comprising one group or more of support frame, support frame include the first support plate
With the second support plate, the first support plate is connect with the upper end of the second support plate by pin shaft, and the lower end inside of the first support plate is set
It is fluted, connecting shaft is equipped in groove, connecting shaft is isometric with groove, and the bottom of the first support plate is equipped with anti-skidding support plate, and second
The right end face of support plate is equipped with step surface.
The steel structure support frame of aforementioned structure directly opens up step surface or branch in the right end face of the second support plate
Fagging is done thicker, obtains wider step surface, is preferably supported with the sole to people, is stood firm conducive to human body, but meeting in this way
It obviously increases the usage amount of material, increases cost, if in the reasonable scope by the thickness control of support plate, then the width of step surface
Degree is smaller, does not meet ergonomics, human body is difficult to stand firm in step surface, and there are security risks.
Therefore, to those skilled in the art, how a kind of steel structure adjustable ladder of new construction is provided, will supported
The thickness control of plate in the reasonable scope on the basis of, obtain the wider step supporting surface for meeting ergonomics, have than
More real meaning.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of steel structure adjustable ladder of new construction, the steel
Structure adjustable ladder obtains the wider ergonomics that meets by the thickness control of support plate in the reasonable scope on the basis of
Step supporting surface.
To solve the above problems, the present invention provides a kind of steel structure adjustable ladder, including the first support plate, the second support plate
With respect to the limiting device of expanded angle, first support plate and second between the first support plate of limitation and the second support plate
The upper end of fagging is rotatablely connected, and the outside of first support plate and/or the second support plate is equipped with several steps along its length
Slot and movable plate, a step groove are correspondingly arranged a movable plate, and one end of the movable plate passes through connecting shaft and step groove
Lower end rotation connection, in the collapsed state of the movable plate, the movable plate is accommodated into the step groove, in the movable plate
Unfolded state, the movable plate, which turns to, forms pedal outside step groove, and the connecting shaft is also connected with is driven by connecting shaft
The power device that dynamic movable plate switches between collapsed state and unfolded state.
As the further improvement of above-mentioned steel structure adjustable ladder, the power device includes transmission gear and driving chain,
One connecting shaft is correspondingly connected with a transmission gear, and the driving chain ring is located on the transmission gear in the same support plate,
Rocker arm is equipped at the axle center of one transmission gear of first support plate and/or the second support plate.
As the further improvement of above-mentioned steel structure adjustable ladder, the power device includes transmission gear and driving chain,
One connecting shaft is correspondingly connected with a transmission gear, and the driving chain ring is located on the transmission gear in the same support plate,
It is fixedly connected at the axle center of one transmission gear of first support plate and/or the second support plate with driving motor.
It further include control device as the further improvement of above-mentioned steel structure adjustable ladder, the control device and the drive
Dynamic motor connection, the control device is for controlling the driving motor movement.
As the further improvement of above-mentioned steel structure adjustable ladder, the control device includes connecting for establishing with external equipment
The wireless communication module connect.
As the further improvement of above-mentioned steel structure adjustable ladder, the lower end of the step groove is additionally provided with limitation movable plate rotation
The limited block of angle.
As the further improvement of above-mentioned steel structure adjustable ladder, the limiting device is drawstring, the both ends of drawstring respectively with
It is fixedly connected on the inside of first support plate and the second support plate.
As the further improvement of above-mentioned steel structure adjustable ladder, the limiting device includes accommodation groove, strut and pit, institute
The lower end inside that the first support plate is arranged in accommodation groove is stated, the lower end inside of the second support plate, the support is arranged in the pit
One end of bar and the lower end of the accommodation groove are rotatablely connected, and the other end of the strut is optionally upper with the accommodation groove
End snaps connection or is inserted into pit, and the locking member being locked at strut in pit is equipped between the strut and pit.
As the further improvement of above-mentioned steel structure adjustable ladder, the locking member includes with externally threaded swivel nut, reached spiral shell
What set can circumferentially rotate is located on the strut, and limitation swivel nut axial direction scope of activities is additionally provided between the strut and the swivel nut
Limiting component, the pit is equipped with the internal screw thread being threadedly engaged with the external screw thread of swivel nut.
As the further improvement of above-mentioned steel structure adjustable ladder, the movable plate is equipped with hollow hole.
Steel structure adjustable ladder of the invention, structure is simple, and implementation cost is low, and one side movable plate optionally takes in platform
Rank slot is not take up space, can reduce materials'use by the thickness control of support plate in the reasonable scope in this way；On the other hand
The length of movable plate can be adjusted according to actual needs, to obtain the wider step supporting surface for meeting ergonomics.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the first embodiment of the present invention when unloading movable plate；
Fig. 2 is that the first embodiment of the present invention is shown in the structure that movable plate turns to outside step groove when forming climbing step
It is intended to；
Fig. 3 is structural schematic diagram of the second embodiment of the present invention when unloading movable plate；
Fig. 4 is that the second embodiment of the present invention is shown in the structure that movable plate turns to outside step groove when forming climbing step
It is intended to.
In attached drawing:
1- the first support plate 2- the second support plate 3- step groove
4- movable plate 5- drawstring 6- accommodation groove
7- strut
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to attached drawing.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.
In the description of the present invention, it should be noted that orientation or positional relationship indicated by the term of appearance be based on
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 indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, otherwise for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Shown in please referring to Fig.1 to Fig.4, a kind of steel structure adjustable ladder, including the first support plate 1, the second support plate 2 and limitation
With respect to the limiting device of expanded angle, first support plate 1 and the second support between first support plate 1 and the second support plate 2
The upper end of plate 2 is rotatablely connected, and the outside of first support plate 1 and/or the second support plate 2 is equipped with several steps along its length
Slot 3 and movable plate 4, a step groove 3 are correspondingly arranged a movable plate 4, and one end of the movable plate 4 passes through connecting shaft and step
The lower end of slot 3 is rotatablely connected, and in the collapsed state of the movable plate 4, the movable plate 4 is accommodated into the step groove 3, in institute
The unfolded state of movable plate 4 is stated, the movable plate 4, which turns to outside step groove 3, forms pedal, and the connecting shaft is also connected with logical
Cross the power device that connecting shaft driving movable plate 4 switches between collapsed state and unfolded state.
Before use, the first support plate 1 and the second support plate 2 are in closed state, while movable plate 4 is located in step groove 3,
When needing using above-mentioned steel structure adjustable ladder, the first support plate 1 and the second support plate 2 were expanded in inverted v-shaped knot before this
Structure, then power device drives movable plate 4 to switch to unfolded state from collapsed state by connecting shaft, and movable plate 4 turns to platform
Pedal is formed outside rank slot 3, at this point, human body can be stood on the climbing step that movable plate 4 is formed, after usage, power
Device drives movable plate 4 to switch to collapsed state from unfolded state by connecting shaft, and movable plate 4 is accommodated into the step groove 3,
It is not take up space.
Steel structure adjustable ladder of the invention, structure is simple, and implementation cost is low, and one side movable plate 4 is optionally taken in
Step groove 3 is not take up space, can reduce materials'use by the thickness control of support plate in the reasonable scope in this way；Another party
The length of face movable plate 4 can be adjusted according to actual needs, to obtain the wider step support for meeting ergonomics
Face.
In a kind of specific embodiment of power device, the power device includes transmission gear and driving chain, and one
A connecting shaft is correspondingly connected with a transmission gear, and the driving chain ring is located on the transmission gear in the same support plate, institute
It states and is equipped with rocker arm at the axle center of a transmission gear of the first support plate 1 and/or the second support plate 2.In the embodiment, Ke Yitong
Rocker arm driving transmission gear rotation is crossed, then drives other transmission gears to rotate by driving chain, manual operation is reliable and stable.
In another specific embodiment of power device, the power device includes transmission gear and driving chain,
One connecting shaft is correspondingly connected with a transmission gear, and the driving chain ring is located on the transmission gear in the same support plate,
It is fixedly connected at the axle center of one transmission gear of first support plate 1 and/or the second support plate 2 with driving motor.The reality
It applies in example, transmission gear rotation can be driven by driving motor, then drive other transmission gears to rotate by driving chain, relatively
In manual operation, labor intensity can be reduced.
It further include control device in previous embodiment, the control device is connect with the driving motor, the control dress
It sets for controlling the driving motor movement.Preferably, the control device includes the nothing for establishing connection with external equipment
Line communication module, the setting of wireless communication module, so that user can use smart phone, tablet computer etc. and build with control device
It is vertical to be wirelessly connected.Control panel can also be set on the control device.
The lower end of the step groove 3 is additionally provided with the limited block of limitation 4 rotational angle of movable plate, and limited block plays the work of support
With for enabling movable plate 4 to open, and in horizontal position.
In above-mentioned each embodiment, limiting device can be drawstring 5, the both ends of drawstring 5 respectively with the first support plate 1 and the
The inside of two support plates 2 is fixedly connected.The upper end of first support plate 1 and the second support plate 2 can be rotatablely connected by pin shaft.
In an advantageous embodiment, the limiting device includes accommodation groove 6, strut 7 and pit, and the accommodation groove 6 is set
The lower end inside in the first support plate 1 is set, the lower end inside of the second support plate 2, one end of the strut 7 is arranged in the pit
It is rotatablely connected with the lower end of the accommodation groove 6, the other end of the strut 7 optionally upper end card with the accommodation groove 6
Button connection or insertion pit, are equipped with the locking member being locked at strut 7 in pit between the strut 7 and pit.
In previous embodiment, as a kind of specific implementation of locking member, the locking member includes with externally threaded spiral shell
Set, what reached swivel nut can circumferentially rotate is located on the strut 7, is additionally provided with limitation swivel nut between the strut 7 and the swivel nut
The limiting component of axial scope of activities, the pit are equipped with the internal screw thread being threadedly engaged with the external screw thread of swivel nut.It is specific optional
, limiting component includes the cyclic convex edge that swivel nut both ends are arranged in and the protrusion being arranged on strut 7, from there through swivel nut both ends
Cyclic convex edge and protrusion cooperation limit swivel nut axial direction scope of activities.
In addition, in order to reduce the weight, saving material, the movable plate 4 is equipped with hollow hole.Optionally, the two sides of step groove 3 point
It She You be used to support the bearing of connecting shaft, connecting shaft is rotatably arranged on the lower end of step groove 3, one end of connecting shaft by bearing
Across bearing and connect transmission gear.
Steel structure adjustable ladder of the invention, structure is simple, and implementation cost is low, and one side movable plate 4 is optionally taken in
Step groove 3 is not take up space, can reduce materials'use by the thickness control of support plate in the reasonable scope in this way；Another party
The length of face movable plate 4 can be adjusted according to actual needs, to obtain the wider step support for meeting ergonomics
Face.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of steel structure adjustable ladder, including the first support plate (1), the second support plate (2) and limitation the first support plate (1) and the
With respect to the limiting device of expanded angle, the upper end of first support plate (1) and the second support plate (2) between two support plates (2)
Rotation connection, it is characterised in that: first support plate (1) and/or the second support plate (2) if outside be equipped with along its length
Dry step groove (3) and movable plate (4), a step groove (3) are correspondingly arranged a movable plate (4), one end of the movable plate (4)
It is rotatablely connected by the lower end of connecting shaft and step groove (3), the collapsed state in the movable plate (4), the movable plate (4) is received
It receives into the step groove (3), the unfolded state in the movable plate (4), the movable plate (4) turns to step groove (3) outside
Portion forms pedal, and the connecting shaft is also connected with through connecting shaft driving movable plate (4) between collapsed state and unfolded state
The power device of switching.
2. steel structure adjustable ladder according to claim 1, it is characterised in that: the power device includes transmission gear and biography
Dynamic chain, a connecting shaft are correspondingly connected with a transmission gear, and the driving chain ring is located at the transmission in the same support plate
On gear, rocker arm is equipped at the axle center of a transmission gear of first support plate (1) and/or the second support plate (2).
3. steel structure adjustable ladder according to claim 1, it is characterised in that: the power device includes transmission gear and biography
Dynamic chain, a connecting shaft are correspondingly connected with a transmission gear, and the driving chain ring is located at the transmission in the same support plate
It is solid with driving motor at the axle center of a transmission gear of first support plate (1) and/or the second support plate (2) on gear
Fixed connection.
4. steel structure adjustable ladder according to claim 3, it is characterised in that: it further include control device, the control device
It is connect with the driving motor, the control device is for controlling the driving motor movement.
5. steel structure adjustable ladder according to claim 4, it is characterised in that: the control device includes for setting with outside
The standby wireless communication module for establishing connection.
6. steel structure adjustable ladder according to claim 1-5, it is characterised in that: the lower end of the step groove (3)
It is additionally provided with the limited block of limitation movable plate (4) rotational angle.
7. steel structure adjustable ladder according to claim 1-5, it is characterised in that: the limiting device is drawstring
(5), the both ends of drawstring (5) are fixedly connected on the inside of the first support plate (1) and the second support plate (2) respectively.
8. steel structure adjustable ladder according to claim 1-5, it is characterised in that: the limiting device includes accommodating
Slot (6), strut (7) and pit, in the lower end inside of the first support plate (1), the pit, which is arranged, to exist for accommodation groove (6) setting
The lower end inside of second support plate (2), one end of the strut (7) and the lower end of the accommodation groove (6) are rotatablely connected, the support
The other end of bar (7) optionally snaps connection or is inserted into pit, the strut (7) with the upper end of the accommodation groove (6)
It is equipped between pit and strut (7) is locked at the locking member in pit.
9. steel structure adjustable ladder according to claim 8, it is characterised in that: the locking member includes with externally threaded spiral shell
Set, what reached swivel nut can circumferentially rotate is located on the strut (7), is additionally provided with limitation between the strut (7) and the swivel nut
The limiting component of swivel nut axial direction scope of activities, the pit are equipped with the internal screw thread being threadedly engaged with the external screw thread of swivel nut.
10. steel structure adjustable ladder according to claim 1-5, it is characterised in that: the movable plate (4) is equipped with
Hollow hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048204.7A CN109025783A (en) | 2018-09-10 | 2018-09-10 | A kind of steel structure adjustable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048204.7A CN109025783A (en) | 2018-09-10 | 2018-09-10 | A kind of steel structure adjustable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109025783A true CN109025783A (en) | 2018-12-18 |
Family
ID=64620788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811048204.7A Pending CN109025783A (en) | 2018-09-10 | 2018-09-10 | A kind of steel structure adjustable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025783A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575017A (en) * | 2019-10-11 | 2019-12-17 | 杭州友邦演艺设备有限公司 | Adjustable theater seat backrest |
| CN111119720A (en) * | 2020-01-17 | 2020-05-08 | 上海卞励实业有限公司 | New-type ladder of ascending a height |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407272A (en) * | 2008-11-18 | 2009-04-15 | 海信（山东）空调有限公司 | Variable conveyer |
| CN203835242U (en) * | 2014-03-17 | 2014-09-17 | 俞权锋 | Steel structure support frame |
| CN205715968U (en) * | 2016-06-18 | 2016-11-23 | 台州市洁星卫浴有限公司 | Bathroom taps |
| CN206487399U (en) * | 2017-02-14 | 2017-09-12 | 韩朝 | A kind of double bed special ladder |
| KR20180099394A (en) * | 2017-02-28 | 2018-09-05 | 인천대학교 산학협력단 | Staircase-type ladder with folding or unfolding footplate |
-
2018
- 2018-09-10 CN CN201811048204.7A patent/CN109025783A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407272A (en) * | 2008-11-18 | 2009-04-15 | 海信（山东）空调有限公司 | Variable conveyer |
| CN203835242U (en) * | 2014-03-17 | 2014-09-17 | 俞权锋 | Steel structure support frame |
| CN205715968U (en) * | 2016-06-18 | 2016-11-23 | 台州市洁星卫浴有限公司 | Bathroom taps |
| CN206487399U (en) * | 2017-02-14 | 2017-09-12 | 韩朝 | A kind of double bed special ladder |
| KR20180099394A (en) * | 2017-02-28 | 2018-09-05 | 인천대학교 산학협력단 | Staircase-type ladder with folding or unfolding footplate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575017A (en) * | 2019-10-11 | 2019-12-17 | 杭州友邦演艺设备有限公司 | Adjustable theater seat backrest |
| CN110575017B (en) * | 2019-10-11 | 2023-04-07 | 杭州友邦演艺设备有限公司 | Adjustable theater seat back |
| CN111119720A (en) * | 2020-01-17 | 2020-05-08 | 上海卞励实业有限公司 | New-type ladder of ascending a height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 410000 HuiLongPu town Baiyun New Village, Ningxiang City, Changsha City, Hunan Province Applicant after: Hunan Dingsheng Green Building Group Co., Ltd Address before: 410000 Baiyun New Village, Huilongpu Town, Ningxiang County, Changsha City, Hunan Province Applicant before: HUNAN DINGSHENG STEEL STRUCTURE Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |