CN110344554B - Concealed type deformation stair for loft type building - Google Patents
Concealed type deformation stair for loft type building Download PDFInfo
- Publication number
- CN110344554B CN110344554B CN201910479674.7A CN201910479674A CN110344554B CN 110344554 B CN110344554 B CN 110344554B CN 201910479674 A CN201910479674 A CN 201910479674A CN 110344554 B CN110344554 B CN 110344554B
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- Prior art keywords
- ladder
- cover plate
- loft
- guide rail
- connecting plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
- E04F11/066—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding folding like scissors or accordions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a concealed type deformation stair for a loft type building, which comprises a loft opening, wherein a fixed shaft is sleeved between the inner walls of the loft opening, the fixed shaft is sleeved with a cover plate, a guide rail is installed on the cover plate, a ladder is clamped on the guide rail, a baffle is installed at one end, away from the guide rail, of the ladder, a balancing weight is installed on the outer wall of the baffle, a stop block is installed at the top of the loft opening, the top of the stop block is clamped with the baffle, a connecting plate is installed at one end, close to the fixed shaft, of the cover plate, a telescopic mechanism is. When the telescopic ladder is not used, the cover plate is pushed upwards, the telescopic mechanism is communicated with the telescopic pull scissor type telescopic chain, the telescopic scissor type telescopic chain is contracted and pulled to pull the ladder, and the ladder is gradually ascended to the loft and is hidden for storage.
Description
Technical Field
The invention relates to the technical field of building stairs, in particular to a concealed type deformed stair for a loft type building.
Background
Along with the continuous development of the building industry, attics in buildings are more and more common, attics are often used for storing some articles which are not commonly used, people use attics and then go up the attics through a ladder moving method, which is not only inconvenient, but also usually the ladder is placed in a room to occupy the storage space, and an electric telescopic stair can be installed at a certain attic opening, and the telescopic stair is hinged to the side surface of a pedal in a crossed manner through a plurality of connecting rods for extension (such as patent document CN 204940724).
Disclosure of Invention
The invention aims to provide a concealed type deformed stair for a loft type building, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a concealed type deformable stair for a loft type building comprises a loft opening, wherein a fixed shaft is fixedly sleeved between inner walls of one end of the loft opening, one end of a cover plate is sleeved on the fixed shaft in a rotating mode, a guide rail is fixedly installed at the top of the other end of the cover plate, a ladder is clamped on the guide rail in a sliding mode, a baffle is fixedly installed at one end, away from the guide rail, of the ladder, a balancing weight is fixedly installed on the outer wall of the baffle, a stop block is installed at the top of one end, close to the fixed shaft, of the loft opening, the bottom of the baffle is movably clamped at the top of the stop block, a connecting plate is fixedly installed at the top of one end, close to the fixed shaft, of the cover plate, a telescopic mechanism is installed between the connecting plate and the fixed shaft, a scissor type telescopic chain is installed between the connecting plate and the ladder, the scissor type telescopic, the two groups of long connecting rods close to the connecting plate and the guide rail are hinged to one end of a short connecting rod, the other end of the short connecting rod close to the connecting plate is hinged to the connecting plate, a group of long connecting rod cross positions close to the connecting plate are connected with a telescopic mechanism through a fixing rod, and the other end of the short connecting rod close to the guide rail is hinged to each other and is fixedly connected with the ladder through the fixing rod.
Preferably, the length and the width of the cover plate are equal to those of the attic opening, a pull ring is fixedly mounted at the bottom of one side of the cover plate, which is far away from the fixed shaft, and the height of the connecting plate and the height of the stop block are equal to the distance from the sliding groove in the guide rail to the cover plate.
Preferably, telescopic machanism is including fixed cover, fixed cover fixed mounting is in the one side that the fixed axle is kept away from to the connecting plate, the pivot is cup jointed to fixed cover internal rotation, the one end of pivot runs through connecting plate and fixed mounting bevel gear, fixed cover connects the awl fluted disc on the fixed axle, bevel gear meshing awl fluted disc, the slip cap is cup jointed in the slip on the fixed cover, it has the helicla flute to open on the slip cap outer wall, the other end of pivot runs through fixed cover and fixed mounting push rod, the both ends slip joint of push rod is in the helicla flute, it has the spacing groove to open on the outer wall of fixed cover, fixed mounting stopper on the inner wall of slip cap, stopper slip joint is at the spacing inslot, connect a set of long connecting rod cross section that is close to the.
Preferably, a through groove is formed in the cover plate at the conical tooth disc, and the outer wall of the conical tooth disc is clamped on the inner wall of the through groove in a sliding mode.
Preferably, the ladder is formed by integrally welding hollow stainless steel pipes, and the weight of the counterweight block is greater than the sum of the weights of the ladder with the length corresponding to the cover plate, the guide rail, the connecting plate, the telescopic mechanism, the scissor type telescopic chain and the cover plate.
Compared with the prior art, the invention has the beneficial effects that: when the ladder is used, the ladder is lowered so as to be convenient for climbing up the attic, and when the ladder is not used, the ladder is lifted and hidden in the attic, so that the ladder does not need to be carried manually and does not occupy the room space; when the cover plate rotates, the telescopic mechanism realizes linkage telescopic movement, so that the scissor type telescopic chain automatically extends and contracts, the ladder is automatically lowered and raised, an electric control system is not required to be installed, and the manufacturing cost is reduced; the ladder is an integral body, and two ends of the ladder are respectively pressed on the stop block and the ground when in use, so that the bearing capacity is strong, and the safety is high; after the cover plate seals the attic opening, the ladder is in a horizontal state, the bottom of the ladder is supported on the stop block, one end of the ladder is connected with the cover plate through the guide rail, the other end of the ladder is connected with the balancing weight, and therefore a lever mechanism is formed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the cover plate according to the present invention;
FIG. 3 is a schematic structural view of the telescoping mechanism of the present invention;
fig. 4 is a schematic view of the ladder of the invention after being retracted and hidden.
In the figure: 1 attic mouth, 2 fixed axles, 3 apron, 4 guide rails, 5 ladders, 6 connecting plates, 7 telescopic mechanisms, 71 conical fluted disc, 72 bevel gear, 73 stopper, 74 spacing groove, 75 fixed cover, 76 pivot, 77 slip cap, 78 helical groove, 79 push rod, 8 scissors formula flexible chain, 81 long connecting rod, 82 short connecting rod, 83 dead lever, 9 dog, 10 baffles, 11 balancing weights.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a concealed type deformation stair for a loft type building comprises a loft opening 1, a fixed shaft 2 is fixedly sleeved between inner walls of one end of the loft opening 1, one end of a cover plate 3 is rotatably sleeved on the fixed shaft 2, a guide rail 4 is fixedly installed at the top of the other end of the cover plate 3, a ladder 5 is slidably clamped and connected on the guide rail 4, a baffle 10 is fixedly installed at one end, far away from the guide rail 4, of the ladder 5, a balancing weight 11 is fixedly installed on the outer wall of the baffle 10, a stop block 9 is installed at the top of one end, close to the fixed shaft 2, of the loft opening 1, a connecting plate 6 is fixedly installed at the top of the stop block 9, a connecting plate 6 is movably clamped and connected at the bottom of the baffle 10, a telescopic mechanism 7 is installed between the connecting plate 6 and the fixed shaft 2, a scissor type telescopic chain 8 is installed between the connecting plate 6 and the ladder 5, the scissor type telescopic chain 8 comprises, two groups of long connecting rods 81 close to the connecting plate 6 and the guide rail 4 are hinged to one end of a short connecting rod 82, the other end of the short connecting rod 82 close to the connecting plate 6 is hinged to the connecting plate 6, the intersection of the group of long connecting rods 81 close to the connecting plate 6 is connected with the telescopic mechanism 7 through a fixing rod 83, and the other ends of the short connecting rods 82 close to the guide rail 4 are hinged to each other and fixedly connected with the ladder 5 through the fixing rod 83. When the retractable ladder is used, the cover plate 3 is pulled down to enable the cover plate 3 to rotate around the fixed shaft 2, the retractable mechanism 7 is linked to extend and push the scissor type retractable chain 8, the scissor type retractable chain 8 extends to push the ladder 5, the ladder 5 gradually slides downwards through the guide rail 4 and rotates along with the cover plate 3, finally, the bottom of the ladder 5 is pressed on the bottom surface of a house, the top baffle 10 of the ladder 5 is pressed on the baffle 9, at the moment, the ladder 5 can climb up to a loft through the ladder 5, the ladder 5 is a whole, two ends of the ladder 5 are respectively pressed on the baffle 9 and the ground, the bearing capacity is strong, the safety is high, when the retractable ladder is not used, the cover plate 3 is pushed up to enable the cover plate 3 to rotate around the fixed shaft 2 to seal a loft opening 1, in the rotation process of the cover plate 3, the retractable mechanism 7 is communicated with and retracts to pull the scissor type retractable chain 8, the scissor type retractable chain, dog 9 supports at 5 middle parts of ladder, and balancing weight 11 presses at 5 terminal surfaces of ladder, makes apron 3 can not open automatically under the action of gravity under lever principle, realizes the auto-lock, wholly need not electric control system to reduce the cost.
The length and the width of apron 3 are equalling in the length and the width of loft mouth 1, make apron 3 can seal loft mouth 1, realize hiding the effect, one side bottom fixed mounting that fixed axle 2 was kept away from to apron 3 has the pull ring, be convenient for push-and-pull apron 3 with initiative such as hand or couple, the height of connecting plate 6 and the highly equal spout to the distance of apron 3 on the guide rail 4 of dog 9, auxiliary stay is advanced in the bottom that connecting plate 6 can contact ladder 5 at 5 slip in-process of ladder, dog 9 can support the effect that ladder 5 bottom played the lever support point after ladder 5 packs up.
The telescoping mechanism 7 comprises a fixed sleeve 75, the fixed sleeve 75 is fixedly arranged on one side of the connecting plate 6 far away from the fixed shaft 2, a rotating shaft 76 is rotatably sleeved in the fixed sleeve 75, one end of the rotating shaft 76 penetrates through the connecting plate 6 and is fixedly provided with a bevel gear 72, the fixed sleeve on the fixed shaft 2 is fixedly connected with a bevel gear disc 71, the bevel gear 72 is meshed with the bevel gear disc 71, a sliding sleeve 77 is slidably sleeved on the fixed sleeve 75, the outer wall of the sliding sleeve 77 is provided with a spiral groove 78, the other end of the rotating shaft 76 penetrates through the fixed sleeve 75 and is fixedly provided with a push rod 79, two ends of the push rod 79 are slidably clamped in the spiral groove 78, the outer wall of the fixed sleeve 75 is provided with a limit groove 74, the inner wall of the sliding sleeve 77 is fixedly provided with a limit block 73, the limit block 73 is slidably clamped in the limit groove 74, at this time, the bevel gear 72 is engaged with the bevel gear disc 71, and the bevel gear disc 71 is fixed, so that the bevel gear 72 revolves around the fixed shaft 2 and simultaneously rotates through the bevel gear disc 71, thereby driving the rotating shaft 76 to rotate, the rotating shaft 76 drives the push rod 79 to rotate along the spiral groove 78, the sliding sleeve 77 cannot rotate because the limit block 73 is clamped with the limit groove 74, and at this time, the sliding sleeve 77 receives the thrust of the push rod 79 through the spiral groove 78, thereby enabling the sliding sleeve 77 to slide along the fixed sleeve 75, and realizing the linkage telescopic effect.
A through groove is formed in the cover plate 3 at the position of the bevel gear disc 71, and the outer wall of the bevel gear disc 71 is clamped with the inner wall of the through groove in a sliding mode.
The working principle is as follows: when the invention is used, the cover plate 3 is pulled down to enable the cover plate 3 to rotate around the fixed shaft 2, the bevel gear 72 rotates around the fixed shaft 2, the bevel gear 72 is meshed with the bevel gear disc 71, the bevel gear disc 71 is fixed, the bevel gear 72 revolves around the fixed shaft 2 and rotates through the bevel gear disc 71, so that the rotating shaft 76 is driven to rotate, the rotating shaft 76 drives the push rod 79 to rotate along the spiral groove 78, the sliding sleeve 77 cannot rotate due to the clamping of the limit block 73 with the limit groove 74, the sliding sleeve 77 receives the thrust of the push rod 79 through the spiral groove 78, so that the sliding sleeve 77 slides along the fixed sleeve 75, the sliding sleeve 77 pushes the scissor type telescopic chain 8, the included angle between the long connecting rods 81 is reduced, the scissor type telescopic chain 8 extends to push the ladder 5, the ladder 5 gradually slides down through the guide rail 4 and rotates along with the cover plate 3, finally, the bottom of the ladder 5 is pressed on the bottom, at the moment, the ladder 5 can climb up the attic, the ladder 5 is an integral body, and two ends of the ladder are respectively pressed on the stop block 9 and the ground, so that the bearing capacity is strong, and the safety is high; when not using, push up apron 3, make apron 3 rotate around fixed axle 2 and seal loft mouth 1, and apron 3 rotates the in-process, telescopic machanism 7 intercommunication shrink pulling scissors formula flexible chain 8, make 8 shrink of scissors formula flexible chain and pulling ladder 5, then ladder 5 rises gradually into on the loft, and the ladder finally follows apron 3 and rotates to the level, dog 9 supports at 5 middle parts of ladder, balancing weight 11 presses at 5 terminal surfaces of ladder, make apron 3 can not open under the action of gravity automatically under the lever principle, realize the auto-lock, wholly need not electric control system, thereby reduce the cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a concealed deformation stair of loft formula building, includes loft mouth (1), its characterized in that: a fixed shaft (2) is fixedly sleeved between the inner wall of one end of the attic opening (1), one end of a cover plate (3) is sleeved on the fixed shaft (2) in a rotating manner, a guide rail (4) is fixedly installed at the top of the other end of the cover plate (3), a ladder (5) is connected with the guide rail (4) in a sliding and clamping manner, a baffle (10) is fixedly installed at one end of the ladder (5) far away from the guide rail (4), a balancing weight (11) is fixedly installed on the outer wall of the baffle (10), a check block (9) is installed at the top of one end of the attic opening (1) close to the fixed shaft (2), the bottom of the check block (9) is movably clamped at the top of the baffle (10), a connecting plate (3) is fixedly installed at the top of one end of the fixed shaft (2), a telescopic mechanism (7) is installed between the connecting plate (6) and the fixed shaft (2), and a scissor type, the scissors type telescopic chain (8) comprises a plurality of groups of long connecting rods (81) and a plurality of groups of long connecting rods (81) which are hinged to each other at the middle part, two ends of each long connecting rod (81) are respectively hinged to two ends of another group of long connecting rods (81) and are close to one end of each short connecting rod (82) which is hinged to two groups of long connecting rods (81) of the connecting plate (6) and the guide rail (4), the other end of each short connecting rod (82) at the position of the connecting plate (6) is hinged to the connecting plate (6), a telescopic mechanism (7) is connected to the cross position of one group of long connecting rods (81) close to the connecting plate (6) through a fixing rod (83) and is close to the other end of each short connecting rod (82) at the guide rail (4) and is fixedly connected with a ladder (5) through the fixing rod (83), the telescopic mechanism (7) comprises a fixing sleeve (75), a rotating shaft (76) is rotatably sleeved in the fixed sleeve (75), one end of the rotating shaft (76) penetrates through the connecting plate (6) and is fixedly provided with a bevel gear (72), the fixed shaft (2) is fixedly sleeved with a conical fluted disc (71), the bevel gear (72) is meshed with the conical fluted disc (71), a sliding sleeve (77) is sleeved on the fixed sleeve (75) in a sliding way, a spiral groove (78) is formed on the outer wall of the sliding sleeve (77), the other end of the rotating shaft (76) penetrates through the fixed sleeve (75) and is fixedly provided with a push rod (79), two ends of the push rod (79) are clamped in the spiral groove (78) in a sliding way, the outer wall of the fixed sleeve (75) is provided with a limit groove (74), the inner wall of the sliding sleeve (77) is fixedly provided with a limiting block (73), the limiting block (73) is clamped in the limiting groove (74) in a sliding way, the outer wall of the sliding sleeve (77) is connected with the intersection of a group of long connecting rods (81) close to the connecting plate (6) through a fixing rod (83).
2. The concealed type transformable stair of a loft building according to claim 1, characterized in that: the length and the width of the cover plate (3) are equal to those of the attic opening (1), a pull ring is fixedly mounted at the bottom of one side of the cover plate (3) far away from the fixed shaft (2), and the height of the connecting plate (6) and the height of the stop block (9) are equal to the distance from a sliding groove in the guide rail (4) to the cover plate (3).
3. The concealed type transformable stair of a loft building according to claim 1, characterized in that: the cover plate (3) at the conical fluted disc (71) is provided with a through groove, and the outer wall of the conical fluted disc (71) is connected with the inner wall of the through groove in a sliding clamping manner.
4. The concealed type transformable stair of a loft building according to claim 1, characterized in that: the ladder (5) is formed by integrally welding hollow stainless steel pipes, and the weight of the counter weight block (11) is larger than the sum of the weights of the ladder (5) with the length corresponding to the cover plate (3), the guide rail (4), the connecting plate (6), the telescopic mechanism (7), the scissor type telescopic chain (8) and the cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479674.7A CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479674.7A CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344554A CN110344554A (en) | 2019-10-18 |
| CN110344554B true CN110344554B (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910479674.7A Expired - Fee Related CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344554B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609915B (en) * | 2020-12-08 | 2022-01-11 | 江苏中腾石英材料科技股份有限公司 | Loft staircase convenient to narrow and small space is accomodate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1683721C3 (en) * | 1966-03-02 | 1975-05-07 | Johann 8901 Neusaess Wagner | Attic stairs that can be pushed into a floor hatch |
| CN204001497U (en) * | 2014-07-28 | 2014-12-10 | 周继雄 | Loft ladder |
| CN104847063A (en) * | 2015-06-09 | 2015-08-19 | 无锡阁美楼梯有限公司 | Electric folding attic staircase |
| CN106677450A (en) * | 2017-03-11 | 2017-05-17 | 陈彦名 | Space-saving intelligent movable staircase |
| CN207092416U (en) * | 2017-08-28 | 2018-03-13 | 深圳市龙洋兴粮油供应有限公司 | A kind of adjustable warehouse stair |
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2019
- 2019-06-04 CN CN201910479674.7A patent/CN110344554B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN110344554A (en) | 2019-10-18 |
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Effective date of registration: 20230109 Address after: 100000 Room 2201, 22/F, Caidike Gran Yuntian Hotel, No. 18, Beichen East Road, Chaoyang District, Beijing Patentee after: Zhongxu Holding Group Co.,Ltd. Address before: 239000 No. 89 Huayuan West Road, Chuzhou City, Anhui Province Patentee before: SINO RISING-SUN CONSTRUCTION GROUP Co.,Ltd. |
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Granted publication date: 20210312 |