CN114753579A

CN114753579A - Concealed deformed stair for loft type building

Info

Publication number: CN114753579A
Application number: CN202210380191.3A
Authority: CN
Inventors: 王志伟; 李承明; 何国松; 房福岭; 胡久明
Original assignee: Jiangsu Hanjiang Group Co ltd
Current assignee: Jiangsu Hanjiang Group Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-15
Anticipated expiration: 2042-04-12
Also published as: CN114753579B

Abstract

The utility model relates to a concealed warp stair of loft formula building construction uses in building field, and it is including setting up first mount and the second mount in loft mouth department, and the loft mouth is located between first mount and the second mount, it is connected with the cross axle to rotate on the first mount, be equipped with two risers in the outer fringe of cross axle, two the interval is provided with a plurality of horizontal poles between the riser, be equipped with on the second mount and be used for driving two risers along cross axle pivoted drive arrangement. The application has the technical effects that: the stair that riser and horizontal pole constitute can be accomodate in the roof top when being in idle state, has reduced the space of stair under idle state and has taken, and then has promoted indoor space utilization.

Description

Concealed deformed stair for loft type building

Technical Field

The application relates to the technical field of building buildings, in particular to a concealed deformed stair for an attic type building.

Background

The attic is a room located at the lower part of the sloping roof of a house, and is a building structure. Attics are often used to store items that are not commonly used, and because the attics are located in the roof area, users on the floor of the room often need to resort to stairs when entering and exiting the attic.

In the related art, one end of a staircase for getting in and out of the attic is disposed at the attic opening, and the other end extends to the floor of the room in an inclined manner, so that a user on the floor can get on the attic from the attic opening or get back to the floor from the attic through the inclined staircase.

In the process of implementing the present application, the inventors found that at least the following problems exist in the technology: when the attic is not needed, the stairs arranged at the attic opening occupy part of indoor space, so that the indoor space utilization rate is poor.

Disclosure of Invention

In order to help improving indoor space utilization, the application provides a concealed deformation stair of loft formula building, adopts following technical scheme: the utility model provides a concealed warp stair of loft formula building, is including setting up first mount and the second mount in loft department, the loft mouth is located between first mount and the second mount, it is connected with the cross axle to rotate on the first mount, be equipped with two risers on the outer fringe of cross axle, two the interval is provided with a plurality of horizontal poles between the riser, be equipped with on the second mount and be used for driving two risers along cross axle pivoted drive arrangement.

Through the technical scheme, when a user needs to climb up the attic, the two vertical plates can be driven by the driving device to rotate downwards along the cross shaft until one ends of the two vertical plates, which are far away from the cross shaft, descend to the indoor ground, and the two vertical plates and the cross rods arranged at intervals form an inclined stair, so that the user can conveniently climb up the attic; treat after the stair uses, the user can reuse two risers of drive arrangement drive and upwards rotate along the cross axle, until the riser is rotated to the horizontality, the stair that riser and horizontal pole constitute this moment is whole to be accomodate in loft department to make the stair can be accomodate in the roof top when being in idle state, reduced the space of stair under idle state and taken up, and then promoted indoor space utilization.

In a specific embodiment, the driving device includes an adjusting shaft rotatably connected to the second fixing frame, a driven gear is fixedly arranged at one end of the adjusting shaft, a driving motor is arranged on the second fixing frame, a driving gear is fixedly arranged at an output end of the driving motor, the driving gear is meshed with the driven gear, a steel rope is wound on the adjusting shaft, and one end of the steel rope, far away from the adjusting shaft, is connected to the vertical plate.

Through the technical scheme, the driving gear can be driven to drive the driven gear to rotate when the driving motor is started, then the adjusting shaft can rotate under the driving of the driven gear and perform winding or unwinding operation on the steel rope, when the adjusting shaft performs winding operation on the steel rope, the two vertical plates can upwards rotate along the transverse shaft under the tension action of the steel rope, when the adjusting shaft performs unwinding operation on the steel rope, the two vertical plates can downwards rotate along the transverse shaft under the actions of self gravity and the tension of the steel rope, so that the effect of driving the vertical plates to rotate along the transverse shaft is achieved, and a user can conveniently and quickly wind and unwind the vertical plates by controlling the driving motor; meanwhile, when a user climbs the cross rod upwards, the vertical plate can be stably kept in a state of being obliquely arranged downwards and suspended under the action of the tensile force of the steel rope, so that the possibility that the floor on the indoor ground is damaged under the action of the pressure of the vertical plate is reduced, and the effect of protecting the indoor floor is achieved.

In a specific possible implementation scheme, a rotation blocking disc is arranged at the end of the adjusting shaft, a rubber pad is arranged on the rotation blocking disc, a first electric push rod is arranged on the second fixing frame, a rotation blocking block is arranged at the output end of the first electric push rod, and the rotation blocking block abuts against the rubber pad.

Through above-mentioned technical scheme, prevent changeing the piece and support the setting up of tight on the rubber pad and increased the rotation resistance of regulating shaft for the user is trampling the horizontal pole and is climbing the time, and the regulating shaft is difficult to rotate under the effect of wire rope tension, thereby has reduced the in-process that the user climbed, and the regulating shaft rotates under the effect of wire rope, makes unsettled riser pound down the pressure effect of user and fall the possibility that leads to the floor to damage on the floor, thereby has further promoted the protection effect to indoor floor.

In a specific implementation scheme, a plurality of rotation blocking holes which penetrate through the rubber pad are uniformly formed in the rotation blocking plate, a limiting groove is formed in the rotation blocking block, a limiting rod partially extending out of the limiting groove is connected in the limiting groove through a spring, and the limiting rod is matched with the rotation blocking holes and penetrates through one of the rotation blocking holes.

Through the technical scheme, the limiting rod is arranged in one of the rotation blocking holes in a penetrating mode, the possibility that the adjusting shaft rotates under the action of the pull force of the steel rope is further reduced, and therefore the stair formed by the vertical plate and the cross rod can be always stably kept in a suspended state in the climbing process of a user; simultaneously, if appear the riser and transferred the back, hinder the gag lever post on the commentaries on classics piece and fail to hinder the condition that changes the hole and align with any one, when first electric putter drive stopper supports tightly with the rubber pad, the gag lever post can atress compression spring and wholly accomodate at the spacing inslot to make first electric putter still can hinder the commentaries on classics spacing to the mode that makes tight through drive stopper and rubber pad.

In a specific implementation scheme, the ends, far away from the transverse shaft, of the two vertical plates are provided with buffer plates, and the end faces, far away from the vertical plates, of the buffer plates are provided with buffer pads.

Through the technical scheme, when the vertical plate falls down due to abnormal conditions, the cushion pad on the cushion plate firstly impacts the floor; the buffer board and the buffer pad are arranged to have the effect of buffering and damping, so that the possibility that the vertical board is impacted on the floor to cause the damage to the floor is further reduced, and the protection effect on the indoor floor is further improved.

In a concrete embodiment, be equipped with protector on the riser, protector includes the protection frame, be equipped with a plurality of lifter on the protection frame, set up on the riser with protection frame assorted protecting bath, a plurality of and lifter assorted lifting hole have been seted up to the bottom of protecting bath, and is a plurality of lifting holes are worn to establish to the lifter correspondence respectively, the driving hole has still been seted up to the bottom of protecting bath, be equipped with the fixed plate that the part extends the driving hole on the pore wall of driving hole, be equipped with second electric putter on the fixed plate, the driving hole is worn to establish and is connected on the protection frame to second electric putter's output.

Through the technical scheme, the guard rails are distributed on the two sides of the cross rod to protect climbing users, so that the possibility that the users fall off the cross rod in the climbing process is reduced, and the safety of the users in the climbing process is improved; simultaneously, second electric putter can drive the protection frame and drive the lifter and go up and down to when needing to carry out the lifting to the riser and accomodate, the protection frame can wholly be accomodate in the protective tank, thereby has further promoted the effect of accomodating of riser, saves the required space of accomodating of riser.

In a specific embodiment, a plurality of rollers are rotatably connected to the wall of the lifting hole, and the lifting rod is abutted between the plurality of rollers.

Through the technical scheme, when the lifting rod is lifted along the lifting hole, the plurality of rollers can be driven by the lifting rod to rotate; the friction resistance between the lifting rod and the wall of the lifting hole is reduced by the arrangement of the plurality of rollers, and the smoothness of the second electric push rod driving protection frame when the lifting rod is driven to lift is improved.

In a specific embodiment, the outer edge of the cross bar is coated with a non-slip mat, and the outer edge of the non-slip mat is provided with a plurality of non-slip ribs.

Through above-mentioned technical scheme, the setting of slipmat and anti-skidding bead has skid-proof effect, has reduced the possibility that the user slided from the horizontal pole when climbing the horizontal pole to user climbing in-process's security has further been promoted.

In a concrete embodiment, a plurality of mounting grooves have been seted up on the horizontal pole, correspond on the antiskid pad and seted up a plurality of and mounting groove assorted mounting hole, wear to be equipped with mounting bolt in the mounting hole, the mounting hole is kept away from the opening part of mounting groove and is seted up with the heavy groove of mounting bolt end assorted, mounting bolt threaded connection is in the mounting groove, and mounting bolt's end supports tightly in sinking the groove, the both ends of horizontal pole are equipped with the backup pad respectively, two correspond respectively on the riser and seted up and support the groove with the backup pad assorted, the backup pad supports tightly to erect and supports the inslot.

Through above-mentioned technical scheme, the staff can regularly lift the horizontal pole off from the riser through the mode of extracting the backup pad from supporting the inslot, then lift mounting bolt off from the horizontal pole through the mode of bolt dismantlement to the user can dismantle the slipmat through the mode of pulling out the slipmat from the horizontal pole, and then convenient clears up or change the slipmat.

In a specific implementation scheme, an iron sheet is arranged on the supporting plate, a magnetic block is arranged on the groove wall of the supporting groove, and the iron sheet is abutted against and adsorbed on the magnetic block.

Through above-mentioned technical scheme, under the magnetic force effect of iron sheet and magnetic path, the backup pad is difficult for breaking away from in the support groove under the effect of external force to the stability of being connected between horizontal pole and the riser has been strengthened.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a user needs to climb up the attic, the two vertical plates can be driven by the driving device to rotate downwards along the cross shaft until one ends of the two vertical plates, which are far away from the cross shaft, descend to the indoor ground, and at the moment, the two vertical plates and the plurality of cross rods arranged at intervals form an obliquely arranged stair, so that the user can conveniently climb up the attic; after the stair is used, a user can drive the two vertical plates to rotate upwards along the transverse shaft by using the driving device again until the vertical plates are rotated to be in a horizontal state, and the whole stair formed by the vertical plates and the transverse rods is stored at the loft opening, so that the stair can be stored above a roof when in an idle state, the space occupation of the stair in the idle state is reduced, and the indoor space utilization rate is further improved;

2. the driving gear can be driven to drive the driven gear to rotate when the driving motor is started, then the adjusting shaft can rotate under the driving of the driven gear and perform take-up or pay-off operation on the steel rope, when the adjusting shaft performs take-up operation on the steel rope, the two vertical plates can upwards rotate along the transverse shaft under the tension action of the steel rope, when the adjusting shaft performs pay-off operation on the steel rope, the two vertical plates can downwards rotate along the transverse shaft under the actions of self gravity and the tension action of the steel rope, so that the effect of driving the vertical plates to rotate along the transverse shaft is achieved, and a user can conveniently take up and pay off the vertical plates in a mode of controlling the driving motor; meanwhile, when a user climbs the cross rod upwards, the vertical plate can be stably kept in a state of being obliquely arranged downwards and suspended under the action of the tensile force of the steel rope, so that the possibility that the floor on the indoor ground is damaged under the action of the pressure of the vertical plate is reduced, and the effect of protecting the indoor floor is achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a driving device according to an embodiment of the present application.

Fig. 3 is a schematic cross-sectional view of a stopper rod according to an embodiment of the present disclosure.

Fig. 4 is a schematic cross-sectional view of a device embodying the present application.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Fig. 6 is an exploded view of the embodiment of the present application for illustrating the connection relationship between the vertical plate and the horizontal rod.

FIG. 7 is a schematic cross-sectional view illustrating the connection relationship between the cross bar and the non-slip mat according to the embodiment of the present application.

Reference numerals: 1. a first fixing frame; 2. a second fixing frame; 3. a horizontal axis; 4. a vertical plate; 5. a cross bar; 6. a drive device; 7. an adjustment shaft; 8. a driven gear; 9. a drive motor; 10. a driving gear; 11. a steel cord; 12. a rotation resisting disc; 13. a rubber pad; 14. a first electric push rod; 15. a rotation resistance block; 16. a rotation blocking hole; 17. a limiting groove; 18. a spring; 19. a limiting rod; 20. a buffer plate; 21. a cushion pad; 22. a guard device; 23. a protective frame; 24. a lifting rod; 25. a protective bath; 26. a lifting hole; 27. a drive aperture; 28. a fixing plate; 29. a second electric push rod; 30. a roller; 31. a non-slip mat; 32. anti-slip ribs; 33. mounting grooves; 34. mounting holes; 35. installing a bolt; 36. sinking a groove; 37. a support plate; 38. a support groove; 39. iron sheets; 40. a magnetic block; 41. an infrared range finder; 42. an iron plate; 43. an electromagnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses concealed deformation stair of loft type building construction.

As shown in fig. 1, the concealed type deformable staircase for the attic building comprises a first fixing frame 1 and a second fixing frame 2 which are fixedly connected at an attic opening, the attic opening is positioned between the first fixing frame 1 and the second fixing frame 2, a cross shaft 3 which is arranged along the horizontal direction is rotatably connected to the first fixing frame 1, two vertical plates 4 are fixedly sleeved at the outer edge of the cross shaft 3 respectively, a plurality of cross rods 5 are connected between the two vertical plates 4 at intervals, and the cross rods 5 and the two vertical plates 4 form the staircase; the second fixing frame 2 is provided with a driving device 6 for driving the two vertical plates 4 to rotate along the transverse shaft 3. Therefore, the driving device 6 can start the staircase formed by the vertical plate 4 and the cross bar 5 to rotate along the cross shaft 3 when being started, so that when a user needs to get on the attic, the vertical plate 4 can be put down by using the driving device 6, and then the user can get on and off the attic by virtue of the obliquely arranged staircase; after the user walks down from the loft, can reuse drive arrangement 6 and rotate riser 4 to the horizontality that presses close to the loft mouth to reach the effect of accomodating the stair that riser 4 and horizontal pole 5 constitute, reduced the space of stair under idle state and taken up, and then promoted indoor space utilization.

As shown in fig. 1 and 2, the driving device 6 includes an adjusting shaft 7 rotatably connected to the second fixing frame 2, the adjusting shaft 7 and the transverse shaft 3 are arranged in parallel, a driven gear 8 is fixedly sleeved at one end of the adjusting shaft 7 along the length direction, a driving motor 9 is fixedly connected to the second fixing frame 2, a driving gear 10 is fixedly sleeved at an output end of the driving motor 9, and the driving gear 10 is engaged with the driven gear 8; two steel ropes 11 are respectively wound on the adjusting shaft 7, one ends of the two steel ropes 11 are fixedly connected to the adjusting shaft 7, and the other ends of the two steel ropes 11 are respectively fixedly connected to one ends of the two vertical plates 4 far away from the transverse shaft 3. Consequently, driving motor 9 can drive driven

gear

8 and 3 synchronous rotations of cross axle through driving gear 10 when starting, and cross axle 3 can receive line or unwrapping wire operation to two steel cables 11 when rotating, then two risers 4 can rotate along cross axle 3 under the pulling force effect of two steel cables 11 to the user can be convenient accomodate or transfer the stair that constitute riser 4 and horizontal pole 5.

As shown in fig. 1, an infrared distance meter 41 is fixedly connected to the end face of the vertical plate 4 away from the attic opening, and when the distance detection value of the infrared distance meter 41 reaches a preset value, the driving motor 9 is adjusted from the running state to the shutdown state. Therefore, a user can conveniently adjust the lowering state of the vertical plate 4 to be a suspended state by using the infrared distance measuring instrument 41, namely when the distance between one end of the vertical plate 4, which is far away from the cross rod 5, and the floor reaches a certain value, the infrared distance measuring instrument 41 is triggered to enable the driving motor 9 to automatically stop running; at the moment, the staircase formed by the vertical plate 4 and the cross bar 5 can be kept in a suspended state of inclining downwards under the action of the pulling force of the two steel ropes 11, so that the possibility that the floor on the ground is damaged under the action of the pressure of the vertical plate 4 in the process that a user utilizes the staircase to go up and down the attic is reduced, and the effect of protecting the floor is achieved; the setting of infrared distance meter 41 makes driving motor 9 when drive riser 4 downwardly rotating, can transfer riser 4 to preset hover position automatically, has promoted the convenient degree when the user transfers the stair.

As shown in fig. 1, in order to improve the stability of the vertical plate 4 in the storage state, an iron plate 42 is adhered to the end surface of the vertical plate 4 facing the attic opening, an electromagnet 43 is fixedly connected to the attic opening, and when the vertical plate 4 rotates to the horizontal state, the iron plate 42 and the electromagnet 43 are abutted against each other. Therefore, the user can be for electro-magnet 43 circular telegram after accomodating riser 4 in loft department to the riser 4 can be in the state of accomodating in stable the keeping under the magnetic force effect between electro-magnet 43 and iron plate 42, reduced the riser 4 that is in the state of accomodating and the possibility of the downward drippage of effect of external force, thereby further promoted the stability of riser 4 under the state of accomodating.

As shown in fig. 1, in order to reduce the possibility that the vertical plate 4 is knocked down to cause damage to the floor on the ground, a buffer plate 20 is fixedly connected to one end of the vertical plate 4 far away from the horizontal shaft 3, the buffer plate 20 is located on the end face of the vertical plate 4 deviating from the attic opening, and a buffer pad 21 made of rubber is bonded to the end face of the buffer plate 20 deviating from the vertical plate 4. Therefore, when the vertical plate 4 falls down due to an abnormal condition, the buffer plate 20 and the buffer pad 21 have the buffer and shock-absorbing functions, so that the possibility that the floor on the ground is broken by the vertical plate 4 is reduced, and the protection effect on the floor is further improved.

As shown in fig. 1 and 2, in order to improve the stability of the vertical plate 4 in the lowered state, the possibility that the vertical plate 4 is knocked down to cause damage to the floor on the ground is further reduced; the end face of the adjusting shaft 7, which is far away from the driven gear 8, is fixedly connected with a rotation resisting disc 12, the rotation resisting disc 12 is coaxial with the adjusting shaft 7, a rubber pad 13 is bonded on the end face, which is far away from the adjusting shaft 7, of the rotation resisting disc 12, a first electric push rod 14 arranged along the horizontal direction is also fixedly connected to the second fixing frame 2, and the output end of the first electric push rod 14 is fixedly connected with a rotation resisting block 15; when the vertical plate 4 rotates to a lowering state under the driving of the driving motor 9, the first electric push rod 14 synchronously starts to drive the rotation resisting block 15 and the rubber pad 13 to tightly abut against each other. Consequently, block 15 and rubber pad 13 and support setting up the rotation resistance that has increased regulating shaft 7 tightly each other, make the user trample the horizontal pole 5 in-process of going up and down the loft, steel cable 11 is difficult for driving regulating shaft 7 under user's pressure effect and rotates, thereby make the stair that riser 4 and horizontal pole 5 constitute stably keep in unsettled state all the time under the pulling force effect of steel cable 11, the stability of riser 4 under the state of putting down has been promoted, the while has further reduced the possibility that the floor was pounded brokenly by riser 4, the protection effect to the floor has been promoted.

As shown in fig. 2 and 3, in order to further improve the stability of the vertical plate 4 in the lowered state, a plurality of rotation preventing holes 16 penetrating through the rubber pad 13 are uniformly formed in the rotation preventing disc 12, and the plurality of rotation preventing holes 16 are annularly arranged around the axis of the rotation preventing disc 12; the end face, departing from the first electric push rod 14, of the rotation blocking block 15 is provided with a limiting groove 17, the limiting groove 17 is internally connected with a limiting rod 19, part of which extends out of the limiting groove 17, through a spring 18, and in the rotating process of the rotation blocking disc 12, the limiting rod 19 is sequentially aligned with a plurality of rotation blocking holes 16 in the rotation blocking disc 12. Therefore, when the first electric push rod 14 drives the rotation blocking block 15 to tightly abut against the rubber pad 13, if the limiting rod 19 is aligned with one of the rotation blocking holes 16, the limiting rod 19 is driven by the rotation blocking block 15 to be inserted into the rotation blocking hole 16 aligned with the limiting rod 19, so that the possibility that the adjusting shaft 7 rotates under the action of the tensile force of the steel rope 11 is further reduced, and the stability of the vertical plate 4 in a downward-placing state is further improved; if the limiting rod 19 is not aligned with any rotation blocking hole 16, the limiting rod 19 compresses the spring 18 under the blocking of the rubber pad 13 and is integrally accommodated in the limiting groove 17, so that the rotation blocking block 15 can still stably abut against the rubber pad 13 to limit the rotation of the adjusting shaft 7.

As shown in fig. 1 and 4, it is considered that a user may fall from one side of the cross bar 5 due to sudden loss of balance in the process of stepping on the cross bar 5 to get on or off the pavilion, thereby bringing about a potential safety hazard; in order to improve the safety of users in the process of going up and down the attic, two vertical plates 4 are respectively provided with a protective device 22; protector 22 includes protection frame 23, a plurality of lifters 24 of fixedly connected with on protection frame 23, riser 4 correspond on the terminal surface of loft mouth seted up with protection frame 23 assorted protecting groove 25, a plurality of and lifter 24 assorted lifting hole 26 have been seted up to the bottom of protecting groove 25, a plurality of lifters 24 correspond respectively and wear to establish in a plurality of lifting hole 26, driving hole 27 has still been seted up to the bottom of protecting groove 25, the fixed plate 28 that driving hole 27 was extended to the fixedly connected with part on the pore wall of driving hole 27, the direction that loft mouth was kept away from to fixed plate 28 towards riser 4 extends.

As shown in fig. 1 and 4, a second electric push rod 29 is fixedly connected to the fixing plate 28, an output end of the second electric push rod 29 penetrates through the driving hole 27 and is connected to the protection frame 23, and the second electric push rod 29 can drive the protection frame 23 to ascend and descend along the ascending and descending hole 26 when being started. Therefore, when the vertical plate 4 is in the storage state, the protection frame 23 can be wholly stored in the protection groove 25 under the driving of the second electric push rod 29, so that the protection device 22 does not additionally increase the space required by the storage of the vertical plate 4; when riser 4 was adjusted to the decurrent state of transferring of slope, protection frame 23 can move out protective groove 25 along lift hole 26 under the drive of second electric putter 29, protects the both sides of horizontal pole 5 to make the user on horizontal pole 5 when losing balance, protection frame 23 and lifter 24 can support the user, have reduced the possibility that the user fell from horizontal pole 5, thereby have promoted the security of user's loft in-process.

As shown in fig. 4 and 5, in order to reduce the energy consumption of the second electric push rod 29 driving the protection frame 23 to ascend and descend, four rollers 30 are rotatably connected to the hole wall of the ascending and descending hole 26, and the ascending and descending rod 24 is tightly pressed between the four rollers 30. Therefore, when the lifting rod 24 is driven by the second electric push rod 29 to lift along the lifting hole 26, the four rollers 30 tightly abutted to the lifting rod 24 rotate under the driving of the lifting rod 24, so that the frictional resistance between the lifting rod 24 and the hole wall of the lifting hole 26 is reduced, the energy consumption of the second electric push rod 29 driving the protection frame 23 to lift is reduced, and the energy-saving and environment-friendly effects are achieved.

As shown in fig. 6, in order to further improve the safety of the user in the process of getting on or off the attic, the outer edges of the plurality of cross bars 5 are respectively coated with a rubber non-slip mat 31, and the outer edge of the non-slip mat 31 is provided with a plurality of protection convex ribs; the anti-slip mat 31 and the anti-slip convex ribs 32 have an anti-slip effect, so that the possibility of slipping and falling in the process of going up and down the attic is reduced, and the safety of a user in the process of going up and down the attic is improved.

As shown in fig. 6 and 7, in consideration of the possibility that the non-slip mat 31 needs to be replaced due to aging or breakage after long-term use; mounting grooves 33 are respectively formed in two ends of the cross rod 5 in the length direction, two mounting holes 34 matched with the mounting grooves 33 are correspondingly formed in the non-slip mat 31, mounting bolts 35 respectively penetrate through the two mounting holes 34, sinking grooves 36 matched with the ends of the mounting bolts 35 are formed in openings, far away from the mounting grooves 33, of the mounting holes 34, the non-slip mat 31 is connected to the cross rod 5 through bolts in a mode that the mounting bolts 35 are connected in the mounting grooves 33 in a threaded mode, and the ends of the mounting bolts 35 are abutted and sunk in the sinking grooves 36; the cross rod 5 is further fixedly connected with supporting plates 37 on two end faces in the length direction, supporting grooves 38 matched with the supporting plates 37 are formed in the two vertical plates 4 respectively, and the cross rod 5 is inserted between the two vertical plates 4 in a mode that the two supporting plates 37 are correspondingly inserted into the two supporting grooves 38 respectively. Therefore, the user can periodically remove the cross bar 5 from the vertical plate 4 by pulling the supporting plate 37 out of the supporting groove 38, and then remove the mounting bolt 35 from the mounting groove 33 by means of bolt removal, so that the user can periodically clean or replace the anti-slip mat 31 on the cross bar 5.

As shown in fig. 6, in order to further enhance the connection stability between the cross bar 5 and the vertical plate 4, an iron sheet 39 is adhered on the supporting plate 37, a magnetic block 40 is adhered on the wall of the supporting groove 38, and when the supporting plate 37 is correspondingly inserted into the supporting groove 38, the iron sheet 39 is tightly supported on the magnetic block 40. Therefore, under the action of the magnetic force of the iron sheet 39 and the magnetic block 40, the cross rod 5 is not easy to drive the supporting plate 37 to be separated from the supporting groove 38 under the action of external force, so that the connection stability between the cross rod 5 and the vertical plate 4 is further improved.

The implementation principle of the embodiment of the application is as follows: in the initial state, the two vertical plates 4 are in the horizontal storage state, when a user needs to climb up the attic, the electromagnet 43 is powered off, then the driving motor 9 is started to drive the adjusting shaft 7 to rotate so as to pay off the steel rope 11, so that the stair composed of the two vertical plates 4 and the plurality of cross rods 5 can slowly rotate downwards along the cross shaft 3, when the distance detection value of the infrared distance measuring instrument 41 reaches the preset value, the driving motor 9 is automatically stopped so that the two vertical plates 4 can be stably arranged in an inclined and suspended state, then the first electric push rod 14 is started to drive the rotation blocking block 15 to move until the rotation blocking block 15 is tightly abutted against the rubber pad 13 on the rotation blocking plate 12, then the two second electric push rods 29 are started to push the protection frame 23 out of the protection groove 25, so that the protection frame 23 can protect the climbing user, and then the user can conveniently climb up the attic by means of the stair composed of the two vertical plates 4 and the plurality of cross rods 5, when a user no longer needs to get on the attic, the second electric push rod 29 can be started again to store the protective frame 23 in the protective groove 25, the first electric push rod 14 is started to drive the rotation resistance block 15 to be separated from the rubber pad 13, then the driving motor 9 is started to drive the two vertical plates 4 to rotate upwards to store the vertical plates 4, and after the vertical plates 4 are rotated to be in a horizontal state, the electromagnets 43 are started to adsorb the iron sheets 39 on the vertical plates 4, so that the vertical plates 4 can be stably kept in a storage state; the stair that two risers 4 and a plurality of horizontal pole 5 constitute can be accomodate the roof top in loft department when being in idle state, has reduced the space of stair under idle state and has taken up, and then has promoted indoor space utilization.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concealed deformation stair of loft formula building which characterized in that: including setting up first mount (1) and second mount (2) in loft mouth department, the loft mouth is located between first mount (1) and second mount (2), it is connected with cross axle (3) to rotate on first mount (1), be equipped with two riser (4) on the outer fringe of cross axle (3), two the interval is provided with a plurality of horizontal poles (5) between riser (4), be equipped with on second mount (2) and be used for driving two riser (4) along cross axle (3) pivoted drive arrangement (6).

2. The concealed type transformable stair of a loft building according to claim 1, characterized in that: drive arrangement (6) are including rotating regulating spindle (7) of connection on second mount (2), the fixed cover of one end of regulating spindle (7) is equipped with driven gear (8), be equipped with driving motor (9) on second mount (2), the fixed cover of output of driving motor (9) is equipped with driving gear (10), driving gear (10) and driven gear (8) intermeshing, around being equipped with steel cable (11) on regulating spindle (7), the one end connection on riser (4) of regulating spindle (7) is kept away from to steel cable (11).

3. The concealed type transformable stair of a loft building according to claim 2, characterized in that: the end part of the adjusting shaft (7) is provided with a rotation blocking disc (12), the rotation blocking disc (12) is provided with a rubber pad (13), the second fixing frame (2) is provided with a first electric push rod (14), the output end of the first electric push rod (14) is provided with a rotation blocking block (15), and the rotation blocking block (15) is abutted against the rubber pad (13).

4. The concealed type transformable stair of a loft building according to claim 3, characterized in that: the anti-rotation device is characterized in that a plurality of anti-rotation holes (16) which penetrate through the rubber pad (13) simultaneously are uniformly formed in the anti-rotation disc (12), a limiting groove (17) is formed in the anti-rotation block (15), a limiting rod (19) partially extending out of the limiting groove (17) is connected into the limiting groove (17) through a spring (18), and the limiting rod (19) is matched with the anti-rotation holes (16) and penetrates through one of the anti-rotation holes (16).

5. The concealed type transformable stair of loft building construction of claim 1, wherein: two the one end that cross axle (3) were kept away from in riser (4) is equipped with buffer board (20), be equipped with blotter (21) on the terminal surface that buffer board (20) deviate from riser (4).

6. The concealed type transformable stair of a loft building according to claim 1, characterized in that: the vertical plate (4) is provided with a protective device (22), the protective device (22) comprises a protective frame (23), a plurality of lifting rods (24) are arranged on the protection frame (23), a protection groove (25) matched with the protection frame (23) is arranged on the vertical plate (4), a plurality of lifting holes (26) matched with the lifting rods (24) are formed at the bottom of the protective groove (25), the lifting rods (24) respectively penetrate through the lifting holes (26), the bottom of the protective groove (25) is also provided with a driving hole (27), the wall of the driving hole (27) is provided with a fixing plate (28) partially extending out of the driving hole (27), and a second electric push rod (29) is arranged on the fixed plate (28), and the output end of the second electric push rod (29) penetrates through the driving hole (27) and is connected to the protection frame (23).

7. The concealed type transformable stair of a loft building according to claim 6, characterized in that: the wall of the lifting hole (26) is rotatably connected with a plurality of rollers (30), and the lifting rod (24) is tightly propped between the rollers (30).

8. The concealed type transformable stair of loft building construction of claim 1, wherein: the outer edge of the cross rod (5) is coated with a non-slip mat (31), and the outer edge of the non-slip mat (31) is provided with a plurality of non-slip convex ribs (32).

9. The concealed type transformable stair of loft building construction of claim 8, wherein: the anti-skid mat is characterized in that a plurality of mounting grooves (33) are formed in the cross rod (5), a plurality of mounting holes (34) matched with the mounting grooves (33) are correspondingly formed in the anti-skid mat (31), mounting bolts (35) penetrate through the mounting holes (34), sunken grooves (36) matched with the ends of the mounting bolts (35) are formed in openings, far away from the mounting grooves (33), of the mounting holes (34), the mounting bolts (35) are connected in the mounting grooves (33) in a threaded mode, the ends of the mounting bolts (35) are tightly abutted to the sunken grooves (36), supporting plates (37) are respectively arranged at two ends of the cross rod (5), supporting grooves (38) matched with the supporting plates (37) are correspondingly formed in the two vertical plates (4), and the supporting plates (37) are tightly abutted to the supporting grooves (38).

10. The concealed type transformable stair of a loft building according to claim 9, wherein: an iron sheet (39) is arranged on the supporting plate (37), a magnetic block (40) is arranged on the groove wall of the supporting groove (38), and the iron sheet (39) is tightly attached to the magnetic block (40).