CN208415739U - One kind can folding and unfolding stair - Google Patents
One kind can folding and unfolding stair Download PDFInfo
- Publication number
- CN208415739U CN208415739U CN201820983859.2U CN201820983859U CN208415739U CN 208415739 U CN208415739 U CN 208415739U CN 201820983859 U CN201820983859 U CN 201820983859U CN 208415739 U CN208415739 U CN 208415739U
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- CN
- China
- Prior art keywords
- step plate
- stair
- folding
- frame
- unfolding
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Abstract
The utility model provides one kind can folding and unfolding stair, it include: step plate assembly, accommodation rail assembly and transmission box assembly, the accommodation rail assembly is connected to the upside of the step plate assembly, the transmission box assembly is fixedly connected on the exit position in house, and it is drivingly connected the step plate assembly.The step plate assembly includes step plate lower frame, frame and step plate on step plate；The accommodation rail assembly includes railing, armrest support, handrail and locating support；The transmission box assembly includes transmission case, actuating arm, drive link, main pin, driven pin shaft and motor.The folding and unfolding of stair may be implemented in the utility model, and can adapt to adjust the angle of folding and unfolding in landform, in use state, remains step plate level, railing is vertical.
Description
Technical field
The utility model relates to intelligent house technical fields, can folding and unfolding stair more particularly to one kind.
Background technique
It folds in the prior art or folding and unfolding stair generally uses following methods:
First, the support by the annular groove sheet for board ends setting of marking time as step, and stretch to frid, with
Reach the folding of stair；Most of this device is manual folding and unfolding, be non-rigid connection, rigidity and stability between pedal compared with
Difference.
Second, entire stair are divided into two sections or multistage, connects and is folded by revolute pair to each other；This mode
Only symbolic to fold, load is poor.
Third, loft ladder fold, folding plate framework of marking time are arranged on fixed metal framework, is drawn by motor
Dynamic link mechanism, which is realized, to be folded；This mechanism step plate is steeper, too big with level ground angle, can not achieve the lift of low-angle gentle slope
It rises.
With the generally existing poor rigidity of upper type, fold or problem that folding and unfolding is undesirable.
Utility model content
For this purpose, a purpose of the utility model is to propose a kind of angle that can be adaptive to landform adjustment folding and unfolding,
And in use state, remain that railing is vertical, step plate it is horizontal can folding and unfolding stair.
The utility model provides one kind can folding and unfolding stair, comprising: step plate assembly, accommodation rail assembly and transmission case are total
At the accommodation rail assembly is connected to the upside of the step plate assembly, and the transmission box assembly is fixedly connected on house
Exit position, and it is drivingly connected the step plate assembly；The step plate assembly includes step plate lower frame, on step plate
Frame and step plate, the step plate be connected to two groups stem for stem described on step plate lower frame and step plate between frame, institute
Stating step plate is cuboid lath-shaped, and the lower left corner of end face is rotatably connected on the step plate lower frame, end face
The upper right corner be rotatably connected on the step plate on frame, when strutting use state, described in neighbouring two pieces
Step plate surrounds equal parallel four of side length with frame on the step plate lower frame and step plate of part among them on end face
Side shape；The accommodation rail assembly includes railing, armrest support, handrail and locating support, and the railing is connected to two stem for stem
On the group armrest support and step plate between frame, and the railing is arranged in a one-to-one correspondence with the step plate, the railing
Lower end be rotatably connected on the step plate and step plate corresponding to it at link position of frame, the upper end of the railing
It is rotatably connected on the armrest support, frame parallel on the armrest support and the step plate, the handrail connection
On the armrest support, the upper end of the armrest support is connected with the locating support, and the locating support can be around thereon
Rotational positioning point is rotationally connected to house exit, wherein rotational positioning point is fixedly connected with house, uses strutting
When state, two neighbouring railings surround parallel four side with frame on the step plate of part among them and armrest support
Shape, and the railing remains vertical；The transmission box assembly includes transmission case, actuating arm, drive link, main pin, from
Dynamic pin shaft and motor, the motor are arranged in the transmission case, and there are two the actuating arm tools, are connected to the transmission
The two sides of case, one end of the drive link is correspondingly connected on the output end of the actuating arm, the other end by it is described from
Dynamic pin shaft is rotatably connected to the middle part of the step plate lower frame, and the upper surface of the transmission case is horizontal plane, the master
Pin shaft is connected on the upper surface of the transmission case, and the upper extreme point of the step plate lower frame is rotatably connected to the stub
On axis, so that the step plate lower frame of part and the actuating arm and drive link between the main pin and driven pin shaft
Form crank link mechanism, wherein the lower left corner of first piece of step plate is also rotatably connected to the stub shaft position
Place, when strutting use state, the upper surface of uppermost one piece of step plate and the transmission case keeps flat in the step plate
Row.
Further, bipolar retarder and transmission shaft, the output axis connection of the motor are additionally provided in the transmission case
The bipolar retarder, the output end of the two sides of the bipolar retarder are all connected with the transmission shaft, the transmission shaft with connect
The actuating arm at the transmission case both ends is drivingly connected.
Further, bearing is additionally provided in the transmission case, the bearing is connected to the transmission by the support of bearing
On the inner sidewall of case, the transmission shaft passes through the bearing.
Further, the step plate lower frame, the equal length of frame and armrest support on step plate.
Further, stiffener plate is also connected between the step plate lower frame.
Further, pedestal is connected with below the leading edge of step plate described in last block.
Further, range sensor is additionally provided on the pedestal, the range sensor and the motor signal connect
It connects.
Further, the step plate lower frame is -45 ° to 90 ° around the angular range that the main pin rotates.
Further, the sum of length of the actuating arm and drive link is greater than between the main pin and driven pin shaft
The length of the step plate lower frame divided.To guarantee that the crank link mechanism does not turn round in progradation,
Further, the vertical range of the rotational positioning point and the main pin is equal to the length of the railing.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
Fig. 1 be the utility model embodiment it is a kind of can folding and unfolding stair overall structure diagram；
Fig. 2 be the utility model embodiment it is a kind of can folding and unfolding stair transmission box assembly schematic diagram of internal structure；
Fig. 3 be the utility model embodiment it is a kind of can folding and unfolding stair motion process schematic diagram.
It is attached in the figure, it is marked as
1 step plate assembly
11 step plate lower frames
Frame on 12 step plates
13 step plates
14 stiffener plates
15 pedestals
2 accommodation rail assemblies
21 railings
22 armrest supports
23 handrails
24 locating supports
241 rotational positioning points
3 transmission box assemblies
31 transmission cases
32 actuating arms
33 drive links
34 main pins
35 driven pin shafts
36 motors
37 bipolar retarders
38 transmission shafts
39 bearings
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model embodiment provide one kind can folding and unfolding stair, as depicted in figs. 1 and 2, comprising: step plate assembly 1,
Accommodation rail assembly 2 and transmission box assembly 3, the accommodation rail assembly 2 is connected to the upside of the step plate assembly 1, described
Transmission box assembly 3 is fixedly connected on the exit position in house, and it is drivingly connected the step plate assembly 1；
Total 1 one-tenth of the step plate includes step plate lower frame 11, frame 12 and step plate 13, the step plate on step plate
13 be connected to two groups stem for stem described on step plate lower frame 11 and step plate between frame 12, the step plate 13 is cuboid
Lath-shaped, the lower left corner of end face are rotatably connected on the step plate lower frame 11, and the upper right corner of end face can be rotated
Ground is connected on the step plate on frame 12, when strutting use state, the step plate 13 of neighbouring two pieces and it
The step plate lower frame 11 of middle section and frame 12 on the step plate parallelogram that side length is surrounded on end face is equal, enclose
The stair of the utility model can be made in horizontal i.e. 0 ° of state at the equal parallelogram of side length, two adjacent step plates
Upper surface is in a plane.
The accommodation rail assembly 2 includes railing 21, armrest support 22, handrail 23 and locating support 24, the railing 21
On armrest support 22 and step plate described in being connected to two groups stem for stem between frame 12, and the railing 21 and the step plate 13
It is arranged in a one-to-one correspondence, the lower end of the railing 21 is rotatably connected to frame 12 on the step plate 13 and step plate corresponding to it
Link position at, the upper end of the railing 21 is rotatably connected on the armrest support 22, the armrest support 22 with
Frame 12 is parallel on the step plate, and the handrail 23 is connected on the armrest support 22, the upper end of the armrest support 22
It is connected with the locating support 24, the locating support 24 can rotationally be connected to house around rotational positioning point 241 thereon and go out
At mouthful, wherein rotational positioning point 241 is fixedly connected with house, when strutting use state, two neighbouring railings
21 surround parallelogram with frame 12 on the step plate of part among them and armrest support 22, and the railing 21 is protected always
It is vertical to hold；
Total 3 one-tenth of the transmission case includes transmission case 31, actuating arm 32, drive link 33, main pin 34, driven 35 He of pin shaft
Motor 36, the motor 36 are arranged in the transmission case 31, and there are two the tools of actuating arm 32, are connected to the transmission
The two sides of case 31, one end of the drive link 33 is correspondingly connected on the output end of the actuating arm 32, and the other end passes through
The driven pin shaft 35 is rotatably connected to the middle part of the step plate lower frame 11, and the upper surface of the transmission case 31 is water
Plane, the main pin 34 are connected on the upper surface of the transmission case 31, and the upper extreme point of the step plate lower frame 11 can turn
Be connected in the main pin 34 dynamicly so that between the main pin 34 and driven pin shaft 35 part the step plate lower frame
Frame 11 and the actuating arm 32 and drive link 33 form crank link mechanism, it is preferred that the actuating arm 32 and drive link
The sum of 33 length is greater than the length of the step plate lower frame 11 of part between the main pin 34 and driven pin shaft 35, with
Guarantee that the crank link mechanism does not turn round in progradation；Wherein, the lower left corner of first piece of step plate 13 can also
It is rotationally connected at 34 position of main pin, when strutting use state, is stepped on for uppermost one piece in the step plate 13
The upper surface for walking plate and the transmission case 31 keeps horizontal parallel, and since parallelogram opposite side is parallel, described following marks time
Plate is parallel with the step plate of front, and the vertical range of the rotational positioning point and the main pin is equal to the length of the railing
In use state, all step plates keep horizontality, while during this, and railing is vertical with step plate holding.
Wherein, the rotational positioning point 241 is equal to the length of the railing 21 with the vertical range of the main pin 34.In view of entirety
If the stair of rigidity are rotated around one end, required rotating torque will be very big, while motion state is not sufficiently stable.The utility model thus
Actuating arm 32 and drive link 33 are devised, is reallocated using lever principle to driving moment, especially sets the point of application
It sets in the centre of step plate lower frame, this scheme substantially reduces driving moment, while ensure that the steady of motion process.
If Fig. 3 shows the working state schematic representation of the utility model, including use state A, critical state B and receipts are stacked
State C, it is preferred that the step plate lower frame 11 is -45 ° to 90 ° namely this reality around the angular range that the main pin 34 rotates
It is -45 ° to 90 ° with novel rotary angular range.Wherein -45 ° to the 0 ° use state A for the utility model, at this
In state, stair can adjust the angle of stair according to the height adaptive on ground to adapt to be actually needed, and in the process
In, step plate remains horizontal, and railing remains vertically perpendicular to plane；0 ° of critical state B for the utility model, should
State is in use state A and receives the critical localisation of overlapping state C, and in this state, all step plates are rendered into a plane, help
Hand reaches horizontality；0 ° to the 90 ° receipts overlapping state C for the utility model is linked to be one piece of step plate and continues in this state
It turns over, handrail continues around the rotation of rotational positioning point, and the angle between railing and step plate gradually increases, and final receive completely is laminated to one
It rises, to reduce space hold.Simultaneously as numerous components are optimized integration, are allowed to using the design concept of cell cube
As three big mechanical parts, for processing, assembling and site operation bring convenience, and processing efficiency and construction effect greatly improved
Rate, to be effectively guaranteed product quality.
Bipolar retarder 37 and transmission are additionally provided in the one aspect of the utility model embodiment, the transmission case 31
Axis 38, bipolar retarder 37 described in the output axis connection of the motor 36, the output end of the two sides of the bipolar retarder 37 are equal
The transmission shaft 38 is connected, the transmission shaft 38 is drivingly connected with the actuating arm 32 for being connected to 31 both ends of transmission case.
Preferably, bearing 39 is additionally provided in the transmission case 31, the bearing 39 is connected to the transmission case 31 by the support of bearing
Inner sidewall on, the transmission shaft 38 pass through the bearing.The two sides of transmission case are all connected with actuating arm in the utility model, lead to
The use of bipolar retarder is crossed, and carries out movement transmitting by being driven axial sides, has reached using a motor, has driven simultaneously
The effect of the actuating arm of two sides.
In the one aspect of the utility model embodiment, the step plate lower frame 11, frame 12 and handrail on step plate
The equal length of bracket 22.Stiffener plate 14 is also connected between the step plate lower frame 11 to guarantee two step plate lower frames
The stabilization of the distance between frame and structure.
In the one aspect of the utility model embodiment, below the leading edge of step plate 13 described in last block on be connected with bottom
Seat 15, contact point of the pedestal as stair and ground provides the impetus on ground for stair, is conducive to ensure that stair use
In stabilization.Further, range sensor is additionally provided on the pedestal 15, the range sensor and the motor 36 are believed
Number connection, the range sensor can detecte the front end of stair with ground or wall at a distance from, set when distance is less than
Value when, transmit a signal to motor, control motor stalls.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. one kind can folding and unfolding stair characterized by comprising
Step plate assembly, accommodation rail assembly and transmission box assembly, the accommodation rail assembly are connected to the step plate assembly
Upside, the transmission box assembly is fixedly connected on the exit position in house, and it is drivingly connected described step plate assembly；
The step plate assembly includes step plate lower frame, and frame and step plate on step plate, the step plate connect stem for stem
On step plate lower frame and step plate described in two groups between frame, the step plate is cuboid lath-shaped, a left side for end face
Inferior horn is rotatably connected on the step plate lower frame, and the upper right corner of end face is rotatably connected on the step plate
On frame, when strutting use state, the step plate lower frame of two pieces of neighbouring step plates and part among them
With the parallelogram that surround side length on end face equal of frame on step plate；
The accommodation rail assembly includes railing, armrest support, handrail and locating support, and the railing is connected to two groups stem for stem
On the armrest support and step plate between frame, and the railing is arranged in a one-to-one correspondence with the step plate, the railing
Lower end is rotatably connected on the step plate and step plate corresponding to it at link position of frame, and the upper end of the railing can
It is rotationally connected on the armrest support, frame parallel on the armrest support and the step plate, the handrail is connected to
On the armrest support, the upper end of the armrest support is connected with the locating support, and the locating support can be around rotation thereon
Turn anchor point and be rotationally connected to house exit, wherein rotational positioning point is fixedly connected with house, uses shape strutting
When state, two neighbouring railings surround parallelogram with frame on the step plate of part among them and armrest support,
And the railing remains vertical；
The transmission box assembly includes transmission case, actuating arm, drive link, main pin, driven pin shaft and motor, and the motor is set
It sets in the transmission case, there are two the actuating arm tools, the two sides of the transmission case are connected to, the drive link
One end is correspondingly connected on the output end of the actuating arm, and the other end is rotatably connected to described by the driven pin shaft
The upper surface at the middle part of step plate lower frame, the transmission case is horizontal plane, and the main pin is connected to the upper of the transmission case
On surface, the upper extreme point of the step plate lower frame is rotatably connected in the main pin so that the main pin and from
The step plate lower frame and the actuating arm of part and drive link form crank link mechanism between dynamic pin shaft, wherein
The lower left corner of first piece of step plate is also rotatably connected at the stub shaft position, when strutting use state, institute
State the upper surface keeping parallelism of uppermost one piece of step plate and the transmission case in step plate.
2. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that be additionally provided with bipolar deceleration in the transmission case
Device and transmission shaft, bipolar retarder described in the output axis connection of the motor, the output end of the two sides of the bipolar retarder are equal
The transmission shaft is connected, the transmission shaft is drivingly connected with the actuating arm for being connected to the transmission case both ends.
3. one kind as claimed in claim 2 can folding and unfolding stair, which is characterized in that be additionally provided with bearing, institute in the transmission case
It states bearing to be connected to by the support of bearing on the inner sidewall of the transmission case, the transmission shaft passes through the bearing.
4. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that the step plate lower frame, step plate upper ledge
The equal length of frame and armrest support.
5. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that be also connected between the step plate lower frame
Stiffener plate.
6. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that below the leading edge of step plate described in last block
On be connected with pedestal.
7. one kind as claimed in claim 6 can folding and unfolding stair, which is characterized in that be additionally provided with Distance-sensing on the pedestal
Device, the range sensor are connect with the motor signal.
8. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that the step plate lower frame is around the main pin
The angular range of rotation is -45 ° to 90 °.
9. one kind as described in claim 1 can folding and unfolding stair, which is characterized in that the length of the actuating arm and drive link it
And it is greater than the length of the step plate lower frame of part between the main pin and driven pin shaft.
10. one kind as claimed in any one of claims 1-9 wherein can folding and unfolding stair, which is characterized in that the rotational positioning point with
The vertical range of the main pin is equal to the length of the railing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983859.2U CN208415739U (en) | 2018-06-25 | 2018-06-25 | One kind can folding and unfolding stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983859.2U CN208415739U (en) | 2018-06-25 | 2018-06-25 | One kind can folding and unfolding stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208415739U true CN208415739U (en) | 2019-01-22 |
Family
ID=65107904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983859.2U Expired - Fee Related CN208415739U (en) | 2018-06-25 | 2018-06-25 | One kind can folding and unfolding stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208415739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756100A (en) * | 2018-06-25 | 2018-11-06 | 吉壳（成都）现代农业科技有限公司 | One kind can folding and unfolding stair |
| CN110424649A (en) * | 2019-07-19 | 2019-11-08 | 中冶天工集团有限公司 | A kind of foldable stair being integrated in module campsite room and production method |
| CN110424770A (en) * | 2019-08-13 | 2019-11-08 | 温州金来建设有限公司 | A kind of intelligent construction building |
-
2018
- 2018-06-25 CN CN201820983859.2U patent/CN208415739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756100A (en) * | 2018-06-25 | 2018-11-06 | 吉壳（成都）现代农业科技有限公司 | One kind can folding and unfolding stair |
| CN110424649A (en) * | 2019-07-19 | 2019-11-08 | 中冶天工集团有限公司 | A kind of foldable stair being integrated in module campsite room and production method |
| CN110424770A (en) * | 2019-08-13 | 2019-11-08 | 温州金来建设有限公司 | A kind of intelligent construction building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200625 |