CN211341484U - Metal retractable stair capable of being hidden - Google Patents

Metal retractable stair capable of being hidden Download PDF

Info

Publication number
CN211341484U
CN211341484U CN201921833714.5U CN201921833714U CN211341484U CN 211341484 U CN211341484 U CN 211341484U CN 201921833714 U CN201921833714 U CN 201921833714U CN 211341484 U CN211341484 U CN 211341484U
Authority
CN
China
Prior art keywords
pair
stair
hinged
lock
side edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921833714.5U
Other languages
Chinese (zh)
Inventor
张宝帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Dengda Staircase Co ltd
Original Assignee
Xinxiang Dengda Staircase Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinxiang Dengda Staircase Co ltd filed Critical Xinxiang Dengda Staircase Co ltd
Priority to CN201921833714.5U priority Critical patent/CN211341484U/en
Application granted granted Critical
Publication of CN211341484U publication Critical patent/CN211341484U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Steps, Ramps, And Handrails (AREA)

Abstract

The utility model discloses a metal stair that stretch out and draw back that can hide, include: the mounting frame is arranged at the floor slab opening in a matching manner; the lock comprises a turnover plate, a first side edge of the turnover plate is hinged with one frame of the installation frame, a lock is arranged on the upper surface of the turnover plate close to the second side edge, the first side edge and the second side edge are distributed oppositely, the lock comprises a telescopic lock tongue and a rotating shaft linked with the lock tongue, a lock tongue hole is arranged on the frame of the installation frame corresponding to the lock tongue, a through hole is arranged on the position of the turnover plate corresponding to the lock, the rotating shaft penetrates out of the through hole, and one end of the rotating shaft penetrating out of the through hole is connected with a ring piece; one end of the unlocking rod is provided with a hook piece; the upper end of the stair body is hinged with the upper surface of the turning plate, and the stair body is formed by connecting a plurality of telescopic units. The utility model relates to a relevant technical field of stair, flexible convenience, safe in utilization has promoted user experience to a certain extent.

Description

Metal retractable stair capable of being hidden
Technical Field
The utility model relates to a relevant technical field of stair. More specifically, the utility model relates to a metal retractable stair that can hide.
Background
In modern houses, space utilization is usually improved by providing floor slabs. But because it is difficult to get into floor upper portion, use fixed stair and take up house space for floor upper portion space is often idle. The problem can be solved by arranging the telescopic stairs, but the current telescopic stairs still have a space for improvement in use experience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at provides the flexible stair of metal that can hide, its flexible convenience, safe in utilization has promoted user experience to a certain extent.
In order to realize this object and other advantages in accordance with the present invention, there is provided a metal stair that can be hidden, installed in a floor opening, comprising:
the mounting frame is arranged at the floor slab opening in a matching manner;
the lock comprises a turnover plate, a first side edge of the turnover plate is hinged with one frame of the installation frame, a lock is arranged on the upper surface of the turnover plate close to the second side edge, the first side edge and the second side edge are distributed oppositely, the lock comprises a telescopic lock tongue and a rotating shaft linked with the lock tongue, a lock tongue hole is arranged on the frame of the installation frame corresponding to the lock tongue, a through hole is arranged on the position of the turnover plate corresponding to the lock, the rotating shaft penetrates out of the through hole, and one end of the rotating shaft penetrating out of the through hole is connected with a ring piece;
one end of the unlocking rod is provided with a hook piece;
the upper end of the stair body is hinged with the upper surface of the turning plate, and the stair body is formed by connecting a plurality of telescopic units.
Preferably, the retractable unit includes a pair of first connecting rods, a pair of second connecting rods, and a step, the middle portions of the pair of first connecting rods are hinged to each other, the middle portions of the pair of second connecting rods are also hinged to each other, the pair of first connecting rods and the pair of second connecting rods are arranged at intervals, and the step is arranged between the pair of first connecting rods and the pair of second connecting rods and supported by the pair of first connecting rods and the pair of second connecting rods.
Preferably, the metal stair that can hide, the tool to lock still includes casing, L shape spare, first spring and cam, the casing sets up the upper surface that turns over the board is close to second side department, the casing orientation an extension hole has been seted up to the lateral wall of second side, the spring bolt slides and sets up extension hole department, the spring bolt is located the inside one end of casing with the horizontal segment of L shape spare is connected, first spring support the L shape spare, the restoring force direction orientation of first spring the spring bolt, the cam sets up the vertical segment of L shape spare with between the spring bolt, the cam is in order to drive the compression of L shape spare the mode setting of first spring, the axis of rotation is fixed in the rotation center of cam.
Preferably, the metal retractable stair that can hide still includes:
the pair of upper rotating rods are arranged on the upper surface of the turning plate at intervals and close to the first side edge, and the inner ends of the pair of upper rotating rods are respectively hinged with the turning plate;
and one ends of the pair of gas springs are respectively fixed with the mounting frame, and the other ends of the pair of gas springs are respectively hinged with the outer ends of the pair of upper rotating rods.
Preferably, the metal retractable stair that can hide still includes:
the pair of lower rotating rods are arranged on the upper surface of the turning plate at intervals and close to the first side edge, the inner ends of the pair of lower rotating rods are respectively hinged with the turning plate, and the outer ends of the pair of lower rotating rods are respectively hinged with the edge of the stair body;
one ends of the pair of second springs are respectively fixed with the pair of upper rotating rods, and the other ends of the pair of second springs are respectively connected with the pair of lower rotating rods.
Preferably, the metal retractable stair that can hide still includes:
the supporting rod is formed by hinging two rod pieces end to end, one end of the supporting rod is hinged with the installation frame, and the other end of the supporting rod is hinged with the turning plate.
Preferably, the metal retractable stair that can hide still includes:
one end of the turnbuckle is connected with the upper rotating rod, and the other end of the turnbuckle is connected with the turning plate.
Preferably, the metal retractable stair can be hidden, and in the stair body, a first connecting rod of one retractable unit is hinged with a second connecting rod of an adjacent retractable unit.
Preferably, the metal retractable stair that can hide still includes:
and the support legs are arranged at the lower end of the stair body.
The utility model discloses at least, include following beneficial effect:
the utility model discloses turning over board one side and setting up the tool to lock, the spring bolt and the annular member linkage of tool to lock are provided with the hook piece on the unblock pole, when pulling open the board that turns over, will hook the hook piece and hang the annular member through the hook piece, can rotate the unblock to pull open simultaneously and turn over the board, release stair body turns over the board closing, through still hanging the unblock pole on the annular member, can conveniently will turn over the board and reset, pack up the stair body. The utility model discloses the flow of release and packing up stair has been improved, user experience has been improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the utility model in a contracted state;
FIG. 2 is a schematic structural view of the extended state of the present invention;
FIG. 3 is a schematic view of the lock of the present invention;
fig. 4 is a schematic structural view of the turning plate of the present invention;
fig. 5 is a schematic structural view of the unlocking lever of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-5, the utility model provides a metal flexible stair that can hide installs in the floor opening, include:
the installation frame 1 is arranged at the floor slab opening in a matching manner;
the lock comprises a turning plate 2, a first side edge of the turning plate is hinged with one frame of the installation frame 1, a lock is arranged on the upper surface of the turning plate 2 close to a second side edge, the first side edge and the second side edge are distributed oppositely, the lock comprises a telescopic lock tongue and a rotating shaft linked with the lock tongue, a lock tongue hole is arranged on the frame of the installation frame corresponding to the lock tongue, a through hole is arranged on the turning plate corresponding to the lock, the rotating shaft penetrates out of the through hole, and one end of the rotating shaft penetrating out of the through hole is connected with a ring-shaped element 1005;
an unlock lever 11 having a hook 1101 at one end;
the upper end of the stair body 3 is hinged with the upper surface of the turning plate, and the stair body is formed by connecting a plurality of telescopic units.
Among the above-mentioned technical scheme, reserve the floor opening on the floor, the floor opening is preferably the rectangle, and the installation frame also is rectangle frame form, inlays and establishes at floor opening edge. The flap is matched to the mounting frame, preferably capable of screening the mounting frame, the flap preferably being rectangular, the first side being hinged to the mounting frame so that the flap can be switched between screening and non-screening. The position that turns over the board and be close to the second side still is provided with the tool to lock, and the tool to lock has spring bolt and axis of rotation, and the axis of rotation rotates and drives the spring bolt and stretch out and retract, and the position that corresponds with the spring bolt on the installation frame is provided with the lockhole, stretches out to get into the lockhole when the spring bolt, can will turn over the board lock on the installation frame. The rotating shaft penetrates through the through hole in the turning plate and is connected with a ring-shaped piece 1005, so that the ring-shaped piece can drive the rotating shaft to rotate externally. The unlocking rod is used by a user, and the upper end of the unlocking rod 11 is provided with a hook 1101 which can be hung in the annular piece. The upper surface of the turning plate is also provided with a stair body consisting of telescopic units, and the telescopic units can adopt the prior art. When the stair is used, the hook piece of the unlocking rod is hung in the annular piece, the turning plate can be opened by rotating, the stair body 3 is pulled out, and the stair can conveniently enter the upper part of a floor slab; when the turning plate needs to be closed, the stair body is pushed to the upper surface of the turning plate, the unlocking rod is used for pushing the turning plate to move upwards, the spring bolt is enabled to enter the lock hole, and the turning plate is locked at the installation frame. It can be seen that the utility model discloses the flow of release and packing up stair has been improved, user experience has been improved.
In another technical solution, the retractable unit includes a pair of first connecting rods 301, a pair of second connecting rods 302 and a step 303, the middle portions of the pair of first connecting rods are hinged to each other, the middle portions of the pair of second connecting rods are also hinged to each other, the pair of first connecting rods 301 and the pair of second connecting rods 302 are arranged at intervals, and the step 303 is arranged between the pair of first connecting rods and the pair of second connecting rods and supported by the pair of first connecting rods and the pair of second connecting rods. Here, a preferred form of the telescopic unit is provided, the telescopic unit realizes the telescopic of the stair body through the rotation of the first connecting rod and the second connecting rod, the structure is stable, the cost is low, the pedals are simultaneously supported on the first connecting rod and the second connecting rod, and the pedals are telescopic along with the first connecting rod and the second connecting rod.
In another technical solution, the metal retractable stair that can hide, as shown in fig. 3, the lock 10 further includes a housing, an L-shaped member 1002, a first spring 1003 and a cam 1004, the housing is disposed at a position on the upper surface of the turning plate close to the second side, a protruding hole is disposed on the side wall of the second side of the housing, the bolt is slidably disposed at the protruding hole, one end of the bolt inside the housing is connected to the transverse section of the L-shaped member 1002, the first spring 1003 supports the L-shaped member, the restoring force direction of the first spring faces the bolt, the cam 1004 is disposed between the vertical section of the L-shaped member and the bolt, the cam is disposed in a manner that the L-shaped member compresses the first spring, and the rotation axis is fixed to the rotation center of the cam. Here, a preferred form of lock is provided, which is simple in construction and easy to implement. The spring bolt, the L-shaped piece and the first spring are sequentially connected and arranged, the cam is arranged at the position between the transverse section of the L-shaped piece and the extending hole, and when the cam rotates, the transverse section of the L-shaped piece can be abutted and pressed, so that the spring bolt retracts to extend out of the hole. The cam is further connected with the rotating shaft, so that the bolt can be retracted through rotation of the rotating shaft, and opening and closing of the turning plate are further achieved.
In another technical scheme, the metal retractable stairway capable of being hidden further comprises:
the pair of upper rotating rods 4 are arranged on the upper surface of the turning plate at intervals and close to the first side edge, and the inner ends of the pair of upper rotating rods are respectively hinged with the turning plate;
and one ends of the pair of gas springs 6 are respectively fixed with the mounting frame, and the other ends of the pair of gas springs are respectively hinged with the outer ends of the pair of upper rotating rods. Here, provide the mechanism that provides the restoring force for turning over the board, through the tensile board that turns over of air spring and last bull stick promptly, when the user closes the board that turns over, can obtain better helping hand, promote user experience.
In another technical scheme, the metal retractable stairway capable of being hidden further comprises:
the pair of lower rotating rods 5 are arranged on the upper surface of the turning plate at intervals and close to the first side edge, the inner ends of the pair of lower rotating rods are respectively hinged with the turning plate, and the outer ends of the pair of lower rotating rods are respectively hinged with the edge of the stair body;
and one ends of the pair of second springs 9 are respectively fixed with the pair of upper rotating rods, and the other ends of the pair of second springs 9 are respectively connected with the pair of lower rotating rods. The mechanism for providing restoring force for the stair body is provided, and through the lower rotating rod and the second spring, when a user pushes the stair body to retract, assistance is provided, and user experience is improved.
In another technical scheme, the metal retractable stairway capable of being hidden further comprises:
the support rod 8 is formed by hinging two rod pieces end to end, one end of the support rod is hinged with the installation frame, and the other end of the support rod is hinged with the turning plate. Here a mechanism is provided to further stabilize the structure so that the flap, i.e. the staircase thereon, can be more stable during inversion.
In another technical scheme, the metal retractable stairway capable of being hidden further comprises:
one end of the turnbuckle 7 is connected with the upper rotating rod, and the other end of the turnbuckle is connected with the turning plate. The turnbuckle 7 plays a role in adjusting the tightness between the upper rotary rod and the turning plate.
In another technical scheme, the metal retractable stair capable of being hidden is characterized in that in the stair body, a first connecting rod of one retractable unit is hinged with a second connecting rod of an adjacent retractable unit. The preferable connection mode of the adjacent telescopic units is provided, and the connection mode is more stable and reliable.
In another technical scheme, the metal retractable stairway capable of being hidden further comprises:
a foot 304 disposed at a lower end of the stair body. The feet 304 may be made of rubber to provide a non-slip function.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the metal collapsible stairway which can be concealed according to the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (9)

1. The flexible stair of metal that can hide installs in the floor opening, its characterized in that includes:
the mounting frame is arranged at the floor slab opening in a matching manner;
the lock comprises a turnover plate, a first side edge of the turnover plate is hinged with one frame of the installation frame, a lock is arranged on the upper surface of the turnover plate close to the second side edge, the first side edge and the second side edge are distributed oppositely, the lock comprises a telescopic lock tongue and a rotating shaft linked with the lock tongue, a lock tongue hole is arranged on the frame of the installation frame corresponding to the lock tongue, a through hole is arranged on the position of the turnover plate corresponding to the lock, the rotating shaft penetrates out of the through hole, and one end of the rotating shaft penetrating out of the through hole is connected with a ring piece;
one end of the unlocking rod is provided with a hook piece;
the upper end of the stair body is hinged with the upper surface of the turning plate, and the stair body is formed by connecting a plurality of telescopic units.
2. The concealable metal telescopic stairway as claimed in claim 1, wherein said telescopic unit comprises a pair of first connection rods, a pair of second connection rods and a step, wherein the middle portions of said pair of first connection rods are hinged to each other, the middle portions of said pair of second connection rods are also hinged to each other, said pair of first connection rods and said pair of second connection rods are spaced apart from each other, and said step is disposed between and supported by said pair of first connection rods and said pair of second connection rods.
3. The metal retractable stair capable of being hidden according to claim 1, wherein the lock further comprises a housing, an L-shaped member, a first spring and a cam, the housing is disposed on the upper surface of the turning plate near the second side, an extending hole is formed in the side wall of the housing facing the second side, the spring bolt is slidably disposed at the extending hole, one end of the spring bolt located inside the housing is connected with the transverse section of the L-shaped member, the first spring supports the L-shaped member, the restoring force direction of the first spring faces the spring bolt, the cam is disposed between the vertical section of the L-shaped member and the spring bolt, the cam is disposed in a manner that the L-shaped member can be driven to compress the first spring, and the rotating shaft is fixed to the rotating center of the cam.
4. The concealable metal stair recited in claim 1, further comprising:
the pair of upper rotating rods are arranged on the upper surface of the turning plate at intervals and close to the first side edge, and the inner ends of the pair of upper rotating rods are respectively hinged with the turning plate;
and one ends of the pair of gas springs are respectively fixed with the mounting frame, and the other ends of the pair of gas springs are respectively hinged with the outer ends of the pair of upper rotating rods.
5. The concealable metal stair recited in claim 4, further comprising:
the pair of lower rotating rods are arranged on the upper surface of the turning plate at intervals and close to the first side edge, the inner ends of the pair of lower rotating rods are respectively hinged with the turning plate, and the outer ends of the pair of lower rotating rods are respectively hinged with the edge of the stair body;
one ends of the pair of second springs are respectively fixed with the pair of upper rotating rods, and the other ends of the pair of second springs are respectively connected with the pair of lower rotating rods.
6. The concealable metal stair recited in claim 1, further comprising:
the supporting rod is formed by hinging two rod pieces end to end, one end of the supporting rod is hinged with the installation frame, and the other end of the supporting rod is hinged with the turning plate.
7. The concealable metal stair recited in claim 4, further comprising:
one end of the turnbuckle is connected with the upper rotating rod, and the other end of the turnbuckle is connected with the turning plate.
8. The concealable metal telescopic stairway as claimed in claim 2, wherein in the stairway body, the first connecting rod of one telescopic unit is hinged to the second connecting rod of the adjacent telescopic unit.
9. The concealable metal stair recited in claim 2, further comprising:
and the support legs are arranged at the lower end of the stair body.
CN201921833714.5U 2019-10-29 2019-10-29 Metal retractable stair capable of being hidden Active CN211341484U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921833714.5U CN211341484U (en) 2019-10-29 2019-10-29 Metal retractable stair capable of being hidden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921833714.5U CN211341484U (en) 2019-10-29 2019-10-29 Metal retractable stair capable of being hidden

Publications (1)

Publication Number Publication Date
CN211341484U true CN211341484U (en) 2020-08-25

Family

ID=72138195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921833714.5U Active CN211341484U (en) 2019-10-29 2019-10-29 Metal retractable stair capable of being hidden

Country Status (1)

Country Link
CN (1) CN211341484U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112854837A (en) * 2020-12-31 2021-05-28 武汉武船重型装备工程有限责任公司 Turn-over plate type stage device capable of rapidly converting scenes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112854837A (en) * 2020-12-31 2021-05-28 武汉武船重型装备工程有限责任公司 Turn-over plate type stage device capable of rapidly converting scenes

Similar Documents

Publication Publication Date Title
US8881787B2 (en) Retractable safety gate
CN211341484U (en) Metal retractable stair capable of being hidden
US9765556B2 (en) Hinge lock
US8468617B2 (en) Spa tub cover system
US20170224177A1 (en) Walk-In Tub Door Assembly
US20170175420A1 (en) Lockset assembly with selective opening and closing
US2506380A (en) Foldaway stairway
US800111A (en) Partition device for rooms.
CN105658548A (en) Tool for lifting a toilet
KR101493513B1 (en) Asemable tent
KR101477276B1 (en) Tent
CN104790183A (en) Wall-mounted type clothes hanger
CN107792472A (en) A kind of product of rubber and plastic storage bin
CN205936269U (en) Take burglary -resisting window of platform of fleing
KR101493512B1 (en) Assemable tent
KR20130004378U (en) tent
US9901226B2 (en) Adjustable device to aid in human fecal matter evacuation
CN207212127U (en) A kind of copper door with ceiling of taking shelter from rain
CN2811469Y (en) Swimming drum for baby
JP4072962B2 (en) Car tent
CN214365336U (en) Novel hunting covering capable of being rapidly assembled and disassembled
CN104748811B (en) A kind of house dedicated water electricity box
CN219261919U (en) Detachable emergency disaster relief tent
JP7259541B2 (en) front door
CN211287093U (en) Connecting device is colluded to intelligence lock world

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant