CN109667397A - A kind of flexible stair of semi-fixed type - Google Patents
A kind of flexible stair of semi-fixed type Download PDFInfo
- Publication number
- CN109667397A CN109667397A CN201910115037.1A CN201910115037A CN109667397A CN 109667397 A CN109667397 A CN 109667397A CN 201910115037 A CN201910115037 A CN 201910115037A CN 109667397 A CN109667397 A CN 109667397A
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- CN
- China
- Prior art keywords
- gear
- mobile jib
- wheel shaft
- slide bar
- support
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
- E04F11/068—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic telescopic
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A kind of flexible stair of semi-fixed type, including fixing seat, autostairs；The fixing seat, including 2 supports, support are equipped with rack gear；The autostairs, including mobile jib, stepped plate；The mobile jib is equipped with 2, is located at the lower section of the left and right ends of stepped plate；The upper end of mobile jib is equipped with connector, and lower end is equipped with carrying roller, and inside is equipped with cavity, is equipped with slide bar in cavity；The connector, including gear set, gear set are equipped with first gear and second gear, the rack gear connection of first gear and support；It is equipped with wirerope again, wirerope connects the wheel shaft of second gear and slide bar；The stepped plate, is equipped with multiple, is hinged on mobile jib below the rear end of stepped plate；It is equipped with support rod again, one end of support rod is hinged below the front end of stepped plate, and the other end is hinged on the slide bar of mobile jib.Advantages of the present invention is mainly manifested in: scalable, saving space is equipped with stepped plate, upstairs convenient for walking.
Description
Technical field
The invention belongs to ladders, are related specifically to a kind of flexible stair of semi-fixed type.
Background technique
It is usually internal to be divided into two layers in the place with spring layer, such as the top layer house of some high buildings, some StoreFronts
Can be spaced intermediate, it is divided into two layers, upper layer can store goods and materials or make the space rested, and also include some warehouses etc., also often
It is divided into two layers, preferably utilizes space.There are two types of the mode of spring layer upstairs is usual, the first, which is used, fixes stair, in this mode
Building is convenient, can directly walk up, but can occupy much room；Second use movable ladder, upstairs when put up a ladder, do not use
When ladder is kept to the side, greatly reduce occupied space in this way, but this mode upstairs when, need trick cooperation just stable upstairs,
It is just inconvenient if to carry thing between under upstairs house.
Summary of the invention
In order to solve the problems, such as that fixed stair occupied space described above, movable ladder are inconvenient to carry thing, the present invention
A kind of flexible stair of semi-fixed type are provided, are equipped with stepped plate, upper end is fixedly mounted on wall, and lower end is extensible on ground
Or lean on wall；Have many advantages, such as to save occupied space, convenient for walking upright upstairs.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of flexible stair of semi-fixed type, including fixing seat, autostairs；The fixing seat, for being fixedly mounted on wall,
It is typically mounted on spring layer, i.e. upper layer；The fixing seat, including 2 supports, support are equipped with rack gear；It is equipped between 2 supports
Cross bar connection.
The autostairs, including mobile jib, stepped plate；The mobile jib is equipped with 2, is located at the left and right of stepped plate
The lower section at both ends.
The upper end of mobile jib is equipped with connector, and lower end is equipped with carrying roller, and inside is equipped with cavity, is equipped with slide bar, slide bar in cavity
Have in the cavity of mobile jib and certain moves up and down space.The connector, including gear set, gear set are equipped with first gear
And second gear, the rack gear connection of first gear and support.It is equipped with wirerope again, wirerope is by the wheel shaft and slide bar of second gear
It connects, will lead to slide bar when rotating second gear and move up or move down.
The stepped plate, be equipped with it is multiple, can specifically be determined according to the length of autostairs, that is, decision stair step
Quantity.It is hinged on mobile jib below the rear end of stepped plate；It is equipped with support rod again, one end of support rod is hinged on the front end of stepped plate
The other end of lower section, support rod is hinged on the slide bar of mobile jib.
When slide bar moves down into bottom, the angle that mobile jib end portion and support rod are formed is greater than or equal to 90 degree；Work as cunning
When moving on to the top on bar, stepped plate is sticked on mobile jib, is in parastate with mobile jib.
Lead on the wall in exit downstairs before use, fixing seat is first mounted on spring layer, then by autostairs mobile jib
Connector is connected on the support of fixing seat.In use, autostairs lower end is removed outward, stepped plate expansion；When autostairs
When connector moves down into the bottom of support, stepped plate and ground are in parastate, and people can uprightly walk up.It does not use
When, autostairs lower end is promoted to wall direction, finally makes the mobile jib of autostairs perpendicular with ground, leans against wall side, in vertical
The state of rising；Stepped plate also retracts simultaneously, is attached on mobile jib, has saved occupied space.
Beneficial effects of the present invention are mainly manifested in: scalable, saving space is equipped with stepped plate, upstairs convenient for walking etc.
Advantage.
Detailed description of the invention
Fig. 1 is whole side structure schematic diagram when one embodiment of the present invention erects.
Fig. 2 is whole positive structure schematic when one embodiment of the present invention erects.
Whole side structure schematic diagram when Fig. 3 is one embodiment of the present invention expansion.
The inner side structural schematic diagram of mobile jib and support coupling part when Fig. 4 is one embodiment of the present invention expansion.
Fig. 5 is the other side surface structure schematic diagram of mobile jib shown in Fig. 4 Yu support coupling part.
Fig. 6 is the inner side structural schematic diagram of mobile jib and support coupling part when one embodiment of the present invention erects.
Fig. 7 is the inside top structural schematic diagram of mobile jib and support coupling part when one embodiment of the present invention erects.
Fig. 8 is the inside positive structure schematic of mobile jib upper part when one embodiment of the present invention erects.
Specific embodiment
With reference to the accompanying drawing 1 ~ 8, one embodiment of the present invention is further described.
A kind of flexible stair of semi-fixed type, including fixing seat, autostairs.
The fixing seat, including 2 supports 11；The support 11, in T shape, the bottom of support 11 is equipped with envelope
Plate 12 prevents the connector 22 of autostairs to be detached from support 11 when support 11 moves up and down.Support 11 includes bottom plate 13 and riser
14, riser 14 is linked together perpendicular to bottom plate 13, and with bottom plate 13.Rack gear 15 is equipped on support 11 again, rack gear 15 is located at riser
14 left side；The two sides of riser 14 are all additionally provided with groove 16, make autostairs connector 22 be on support 11 can along groove 16
It moves vertically up and down；Cross bar 17 is equipped between 2 supports 11 to connect.Further, for the ease of the mobile jib of autostairs 21 and branch
The connection of seat 11, the rack gear 15 topmost do not set groove, in order to which the connector 22 of mobile jib 21 is connected on support 11.
The autostairs, including mobile jib 21, stepped plate 31；The mobile jib 21 is equipped with 2, is located at stepped plate
The lower section of 31 left and right ends；It is corresponding with mobile jib 21, between the spacing of 2 supports 11 and 2 mobile jibs 21 of autostairs
Spacing it is identical.
The upper end of mobile jib 21 is equipped with connector 22, and lower end is equipped with carrying roller 23, and inside is equipped with cavity 24, is equipped in cavity 24
Slide bar 25, slide bar 25 has in the cavity 24 of mobile jib 21 certain moves up and down space.
The connector 22, including gear set, gear set are equipped with first gear 221 and second gear 222, first gear
221 connect with the rack gear 15 of support 11, and groove matches.It is equipped with a fixed pulley 27 in the inside of 21 shell of mobile jib, in slide bar
25 are equipped with fixing bolt 251；It is equipped with wirerope 26 again in mobile jib 21, one end wrapped anti-clockwise of wirerope 26 is in second gear
Wheel shaft 223 on, and its endpoint is fixed on wheel shaft 223；The middle section of wirerope 26 is fixed on slide bar by fixing bolt 251
On 25, then pass through fixed pulley 27, by the other end wound clockwise of wirerope 26 on the wheel shaft 223 in second gear,
Endpoint is also secured on wheel shaft 223, and wheel shaft 223 is equipped with cage ring 224, and the both ends of wirerope 26 are separated, wirerope is avoided
26 both ends are intertwined.When second gear 222 rotates clockwise, can by fixing bolt 251 with moving slide-bar 25 to moving down
It is dynamic, when second gear 222 rotates counterclockwise, can be moved up by fixing bolt 251 with moving slide-bar 25；Fixing bolt 251 is always
Between wheel shaft 223 and fixed pulley 27.It is corresponding with the groove 16 of support 11, circular cylindrical projection is equipped on 21 connector 22 of mobile jib
Block 28, convex block 28 are embedded in groove 16, make connector 22 can upper and lower Vertical movements or rotary moveable in groove 16.
First gear 221 recited above be on its wheel shaft 225 it is rotatable, i.e., when first gear 221 rotates, first
The wheel shaft 225 of gear be it is fixed, wheel shaft 225 is fixed on connector 22.The second gear 222 is taken turns with it
Axis 223 is fixed together, i.e., when second gear 222 rotates, wheel shaft 223 is similarly rotated；And wheel shaft 223 is in connector 22
On be rotatable.
The stepped plate 31 is equipped with 11, that is, has 11 grades of steps.It is hinged below the rear end of stepped plate 31 by axis 32
On the axle bed 33 of mobile jib 21；It is equipped with support rod 34 again, one end of support rod 34 is hinged under the front end of stepped plate 31 by axis 35
On the axle bed 36 of side, the other end of support rod 34 is hinged on the slide bar 25 in mobile jib 21；In the inside of mobile jib, i.e. 2 mobile jibs
21 opposite sides are equipped with the slot 29 of a hollow out, so that support rod 34 is passed through slot 29 by axis 37 and are connected on slide bar 25.
Assuming that a floor gap is away from 2.5 meters of (spring layer A and bottom B at a distance of) (as shown in Figure 3), then the length of autostairs is built
View will be at 3.25 meters of 2.5/sin50 ≈ or more, and after making expansion, the angle on autostairs and ground at least can achieve 50 degree or less；
The length of fixing seat is needed at 3.25-2.5=0.75 meter or more, in addition bottom sealing plate part and upper end are without groove part, it is proposed that
At 1 meter or more.
When slide bar 25 moves down into bottom, the angle that 21 end portion of mobile jib and support rod 34 are formed is greater than 90 degree, favorably
In raising safety；When moving on to the top on slide bar 25, stepped plate 31 is sticked on mobile jib 21, is in parallel shape with mobile jib 21
State.
The installation of above embodiment: first by fixing seat be mounted on spring layer go downstairs exit wall C on, then will be movable
Ladder slightly lifts, and is placed on the connector 22 of autostairs mobile jib on support 11, one end of the wheel shaft 225 of first gear and convex block
28 are respectively embedded in the groove 16 of 11 riser two sides of support, then slowly put down autostairs, autostairs is connected with fixing seat
It is complete, it will not fall off.
When autostairs lower end removes outward, connector 22 declines, and first gear 221 is because generating up time with the friction of rack gear 15
Needle rotation, second gear 222 rotates counterclockwise, be connected to wirerope 26 fixing bolt 251 it is dragged move down, lead to entire slide bar
25 are pushed down, and the one end for the support rod 34 being hinged on slide bar 25 also moves down, and stepped plate 31 is open；When under connector 22
When moving on to the bottom of support 11, stepped plate 31 and ground are in parallel, and in unfolded state, as shown in Figure 3, people can be upright
It walks up.When not in use, autostairs lower end is pushed away to wall direction, similarly, connector 22 rise, first gear 221 because with
The friction generation of rack gear 15 rotates counterclockwise, and second gear 222 rotates clockwise, and is connected to 251 quilt of fixing bolt of wirerope 26
Dragging moves up, and entire slide bar 25 is caused to be shifted up, and the support rod 34 being hinged on slide bar 25 also moves up, and stepped plate 31 closes up；Most
Eventually, when autostairs mobile jib 21 and ground in vertical state, lean against wall side, stepped plate 31 also retracts, and is attached on mobile jib 21, is in
Erected state has saved occupied space as shown in Figure 1.
Above-described is only one embodiment of the present invention, to those skilled in the art, is not being taken off
Under the premise of from the principle of the invention, some variations made all shall be regarded as belonging to protection scope of the present invention.
Claims (6)
- The stair 1. a kind of semi-fixed type stretches, including fixing seat, autostairs；It is characterized in that:The fixing seat, including 2 supports (11), support are equipped with rack gear (15)；Cross bar (17) are equipped between 2 supports even It connects；The autostairs, including mobile jib (21), stepped plate (31)；The mobile jib is equipped with 2, is located at stepped plate The lower section of left and right ends；The upper end of mobile jib is equipped with connector (22), and lower end is equipped with carrying roller (23), and inside is equipped with cavity (24), Slide bar (25) are equipped in cavity, slide bar has in the cavity of mobile jib certain moves up and down space；The connector (22), packet Gear set is included, gear set is equipped with first gear (221) and second gear (222), the rack gear connection of first gear and support；It sets again Have wirerope (26), wirerope connects the wheel shaft (223) and slide bar of second gear, causes to slide when rotating second gear Bar is moved up or is moved down；The stepped plate (31), is equipped with multiple, is hinged on mobile jib below the rear end of stepped plate；It is equipped with branch again Strut (34), one end of support rod are hinged below the front end of stepped plate, and the other end is hinged on the slide bar of mobile jib.
- The stair 2. a kind of semi-fixed type according to claim 1 stretches, it is characterized in that: the support (11), is in T word The bottom of shape, support is equipped with sealing plate (12)；Support (11) includes bottom plate (13) and riser (14), riser perpendicular to bottom plate, and It is linked together with bottom plate；Rack gear (15) is located at the left side of riser；The two sides of riser are all additionally provided with groove (16)；With the groove of support It is corresponding, cylindrical bump (28) are equipped on the connector (22) of mobile jib (21), convex block is for being embedded in a groove.
- The stair 3. a kind of semi-fixed type according to claim 1 stretches, it is characterized in that: being set on the inside of mobile jib (21) shell There are fixed pulley (27), is equipped with fixing bolt (251) on slide bar (25)；One end wrapped anti-clockwise of wirerope (26) is in second gear Wheel shaft (223) on, and its endpoint is fixed on wheel shaft；The middle section of wirerope is fixed on slide bar by fixing bolt, so Afterwards by fixed pulley, by the other end wound clockwise of wirerope on the wheel shaft of second gear, endpoint is also secured at wheel shaft On.
- The stair 4. a kind of semi-fixed type according to claim 1 stretches, it is characterized in that: the first gear (221) exists It is on its wheel shaft (225) rotatably, wheel shaft (225) is fixed on connector (22)；The second gear (222) with Its wheel shaft (223) is fixed together, and wheel shaft (223) is rotatable on connector (22).
- The stair 5. a kind of semi-fixed type according to claim 1 stretches are engraved it is characterized in that: being equipped with one on the inside of mobile jib (21) Empty slot (29)；One end of support rod (34) passes through slot (29) by axis (37) and is hinged on slide bar (25).
- The stair 6. a kind of semi-fixed type according to claim 1 stretches, it is characterized in that: the rack gear (15), topmost Do not set groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115037.1A CN109667397A (en) | 2019-02-14 | 2019-02-14 | A kind of flexible stair of semi-fixed type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115037.1A CN109667397A (en) | 2019-02-14 | 2019-02-14 | A kind of flexible stair of semi-fixed type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667397A true CN109667397A (en) | 2019-04-23 |
Family
ID=66152286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910115037.1A Withdrawn CN109667397A (en) | 2019-02-14 | 2019-02-14 | A kind of flexible stair of semi-fixed type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667397A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282231A (en) * | 2020-09-11 | 2021-01-29 | 权太秀 | Auxiliary support stair safety equipment |
-
2019
- 2019-02-14 CN CN201910115037.1A patent/CN109667397A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282231A (en) * | 2020-09-11 | 2021-01-29 | 权太秀 | Auxiliary support stair safety equipment |
| CN112282231B (en) * | 2020-09-11 | 2022-11-04 | 权太秀 | Auxiliary support stair safety equipment |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190423 |
|
| WW01 | Invention patent application withdrawn after publication |