CN219080806U - Hidden lock for stairs - Google Patents

Abstract

The utility model discloses a hidden stair lock, which comprises a stirring connecting piece, a clamping block, a connecting shell, a mounting support, a multifunctional handle and a sliding component, wherein the mounting support comprises a mounting shell, mounting side plates which are integrally connected are arranged on two sides of the mounting shell, mounting through holes are formed in the mounting side plates, the connecting shell is arranged on the mounting shell, the sliding component which is in sliding connection is arranged in the connecting shell, the clamping block is arranged at one end of the sliding component, the connecting shell is provided with the through holes corresponding to the clamping block, the stirring connecting piece which drives the sliding component to slide is arranged on the connecting shell, the stirring connecting piece is connected with the connecting shell through a bearing, the multifunctional handle is inserted on the stirring connecting piece, and the locking can be carried out through the clamping block.

Description

Hidden lock for stairs

Technical Field

The utility model relates to the technical field of attic stairs, in particular to a hidden lock for stairs.

Background

When the existing building is built, in order to increase the use area of the building and facilitate the selling of the top floor, many developers can build attics on the attics, but households generally need to manually carry ladders or build fixed stairs to enter when entering the attics, but the existing telescopic stairs on the market are inconvenient to lift when being installed, and the existing locks are required to be locked when being retracted, and the existing locks are complex in structure, single in function, and are inconvenient to install because hanging rings are required to be additionally installed on the stairs when being installed.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the hidden stair lock which is simple in structure, can be locked and fixed when the stair plates are folded, is convenient for stair installation through the lock, is more convenient to use and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hidden lock for stair, includes stirs connecting piece, joint piece, connection casing, erection bracing, multi-functional handle and slip subassembly, the erection bracing includes the installation shell, and the installation shell both sides are equipped with the installation curb plate of body coupling, are equipped with the installation through-hole on the installation curb plate, install on the installation shell and connect the casing, and the inside of connecting the casing is equipped with sliding connection's slip subassembly, and sliding assembly's one end is equipped with the joint piece, is equipped with the through-hole that corresponds with the joint piece on the connection casing to be equipped with on the connection casing and drive the gliding connecting piece of stirring of slip subassembly, stir the connecting piece and be connected with the connection casing through the bearing, and stir the grafting on the connecting piece and have multi-functional handle.

Further, the multifunctional handle comprises a rotating column which penetrates through a stirring connecting piece, the rotating column is of a non-cylindrical structure, a hanging ring is fixed at the upper end of the rotating column, a fixing disc is fixed at the lower end of the rotating column through threads, when the hidden stair is installed, the stair can be lifted through the hanging ring, so that the device is more convenient to install, the multifunctional handle is taken down after the installation is completed, the multifunctional handle is separated from the rotating column through the fixing disc, the rotating column penetrates through the stirring connecting piece from bottom to top, the fixing disc is fixed at the upper end of the rotating column, the rotating column is twisted earlier when in use, and then a sealing plate is pulled down through the hanging ring, so that the stair can be put down.

Further, the connection housing includes an end mounting plate fixed with the mounting housing, one side of the end mounting plate is fixed with a support housing, and the support housing is fixedly connected with the mounting housing.

Further, the slip subassembly includes the slip frame with the inside sliding connection of supporting shell, and is equipped with the top between the one end of slip frame and the inside one end of supporting shell and moves the spring, and the other end and the joint piece fixed connection of slip frame, both sides all are equipped with the curb plate around the slip frame, and are equipped with the logical groove that corresponds with the curb plate on the supporting shell, can move slip frame and joint piece outside top through the top and move the spring, can lock through the joint piece and die.

Further, stir the connecting piece and include the rotation spliced pole of being connected with the support shell rotation, rotate the centre of spliced pole and be equipped with the through-hole that corresponds with the spliced pole, and rotate the side of spliced pole and be fixed with and stir the blade, stir the both ends and two curb plates of blade and correspond, rotate through rotating the spliced pole and can drive and stir the blade rotation, rotate through stirring the blade and can press the curb plate to this drives the sliding frame and slides, simultaneously to pushing up and move the spring compression, will stir the connecting piece release back through pushing up and move the spring and reset, with this original position that resumes.

Compared with the prior art, the utility model has the beneficial effects that: when installing hidden stair, can hoist the stair through rings, thereby make more convenient to the device installation, after the installation finishes with multi-functional handle take off, separate through fixed disk and spliced pole, then pass the spliced pole from bottom to top and stir the connecting piece, fix the fixed disk in the spliced pole upper end again, twist earlier the spliced pole during the use, then pull down the closure plate through rings, thereby can put the stair, rotate through the spliced pole and can drive and stir the blade rotation, can press the sideboard through stirring the blade rotation, thereby drive the slip frame and slide, simultaneously to top movable spring compression, after will stir the connecting piece release through top movable spring reset, thereby resume original position through top movable spring can outwards push away sliding frame and joint piece, can lock through the joint piece, this lock is used to hidden stair, and a structure is simple, can fix its lock when the stair board is packed up, and can make things convenient for the stair installation through the tool to lock, and use is more convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model.

In the figure: the novel multifunctional lifting device comprises a stirring connecting piece 1, a rotating connecting column 11, a stirring blade 12, a clamping block 2, a connecting shell 3, a mounting plate at the end part 31, a supporting shell 32, a mounting support 4, a mounting side plate 41, a mounting shell 42, a multifunctional handle 5, a lifting ring 51, a rotating column 52, a fixing plate 53, a sliding component 6, a connecting plate at the end part 61, a side plate 62, a sliding frame 63 and a top-moving spring 64.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a hidden lock for stairs, including stirring connecting piece 1, joint piece 2, connecting housing 3, the mount support 4, multi-functional handle 5 and slip subassembly 6, the mount support 4 includes installation shell 42, the installation shell 42 both sides are equipped with the installation curb plate 41 of body coupling, be equipped with the installation through-hole on the installation curb plate 41, install connecting housing 3 on the installation shell 42, the inside of connecting housing 3 is equipped with sliding connection's slip subassembly 6, the one end of slip subassembly 6 is equipped with joint piece 2, be equipped with the through-hole that corresponds with joint piece 2 on the connecting housing 3, and be equipped with on the connecting housing 3 and drive the gliding connecting piece 1 of stirring of slip subassembly 6, stir connecting piece 1 and be connected with connecting housing 3 through the bearing, and it has multi-functional handle 5 to stir to peg graft on connecting piece 1, multi-functional handle 5 includes the spliced pole 52 that passes on stirring connecting piece 1, spliced pole 52 is non-cylindrical structure, and the upper end of the rotating column 52 is fixed with a hanging ring 51, and the lower end of the rotating column 52 is fixed with a fixed disk 53 through threads, when the hidden stair is installed, the stair can be lifted up through the hanging ring 51, so that the installation of the device is more convenient, after the installation is finished, the multifunctional handle 5 is taken down, the rotating column 52 is separated from the rotating column 52 through the fixed disk 53, then the rotating column 52 is penetrated from bottom to top to toggle the connecting piece 1, then the fixed disk 53 is fixed at the upper end of the rotating column 52, when in use, the rotating column 52 is twisted first, then the closing plate is pulled down through the hanging ring 51, so that the stair can be put down, the connecting shell 3 comprises an end mounting plate 31 fixed with a mounting shell 42, one side of the end mounting plate 31 is fixed with a supporting shell 32, the supporting shell 32 is fixedly connected with the mounting shell 42, the sliding component 6 comprises a sliding frame 63 which is in sliding connection with the inside the supporting shell 32, and be equipped with top between the inside one end of sliding frame 63 and support shell 32 and move spring 64, and the other end and the joint piece 2 fixed connection of sliding frame 63, both sides all are equipped with curb plate 62 around sliding frame 63, and be equipped with the logical groove that corresponds with curb plate 62 on the support shell 32, can move sliding frame 63 and joint piece 2 outside top through top move spring 64, can lock through joint piece 2, stir connecting piece 1 and rotate the rotation spliced pole 11 of being connected with support shell 32, the centre of rotating spliced pole 11 is equipped with the through-hole that corresponds with rotating column 52, and the side of rotating spliced pole 11 is fixed with and stir blade 12, stir the both ends and two curb plates 62 correspondence of blade 12, rotate through rotating spliced pole 11 and can drive and stir blade 12 rotation, can press the sideplate 62 through stirring blade 12, thereby drive sliding frame 63 and slide, simultaneously, it resets through top move spring 64 to stir after connecting piece 1 release, so that resumes original position with the stairway, this hidden lock that uses, and has a simple structure, can be more convenient to install the lock through the lock when packing up the lock.

When in use: when the hidden stair is installed, the stair can be lifted through the lifting ring 51, so that the stair is more convenient to install, after the installation is finished, the multifunctional handle 5 is taken down, the fixing disc 53 is separated from the rotating column 52, then the rotating column 52 penetrates through the stirring connecting piece 1 from bottom to top, the fixing disc 53 is fixed at the upper end of the rotating column 52, the rotating column 52 is twisted first during use, then the sealing plate is pulled down through the lifting ring 51, the stair can be placed, the stirring blade 12 can be driven to rotate through rotation of the rotating connecting column 11, the side plate 62 can be pressed through rotation of the stirring blade 12, the sliding frame 63 is driven to slide, meanwhile, the pushing spring 64 is compressed, after the stirring connecting piece 1 is released, the pushing spring 64 is reset, so that the original position is restored, the sliding frame 63 and the clamping block 2 can be pushed outwards through the pushing spring 64, and locking can be carried out through the clamping block 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a hidden lock for stair, includes stirring connecting piece (1), joint piece (2), connection casing (3), erection support (4), multi-functional handle (5) and slip subassembly (6), its characterized in that: the utility model provides a mounting support (4) is including installing shell (42), installing shell (42) both sides are equipped with integrative installation curb plate (41) of connecting, be equipped with the installation through-hole on installing curb plate (41), install on installing shell (42) and connect casing (3), the inside of connecting casing (3) is equipped with sliding connection's slip subassembly (6), the one end of slip subassembly (6) is equipped with joint piece (2), be equipped with the through-hole that corresponds with joint piece (2) on connecting casing (3), and be equipped with on connecting casing (3) and drive slip subassembly (6) gliding stirring connecting piece (1), stir connecting piece (1) and be connected with connecting casing (3) through the bearing, and stir grafting on connecting piece (1) and have multifunctional handle (5).

2. A hidden stair lock according to claim 1, wherein: the multifunctional handle (5) comprises a rotating column (52) penetrating through the stirring connecting piece (1), the rotating column (52) is of a non-cylindrical structure, the upper end of the rotating column (52) is fixedly provided with a hanging ring (51), and the lower end of the rotating column (52) is fixedly provided with a fixing disc (53) through threads.

3. A hidden stair lock according to claim 1, wherein: the connecting shell (3) comprises an end mounting plate (31) fixed with the mounting shell (42), one side of the end mounting plate (31) is fixed with a supporting shell (32), and the supporting shell (32) is fixedly connected with the mounting shell (42).

4. A lock for hidden stairways according to claim 3, wherein: the sliding assembly (6) comprises a sliding frame (63) which is in sliding connection with the inside of the supporting shell (32), a pushing spring (64) is arranged between one end of the sliding frame (63) and one end of the inside of the supporting shell (32), the other end of the sliding frame (63) is fixedly connected with the clamping block (2), side plates (62) are arranged on the front side and the rear side of the sliding frame (63), and through grooves corresponding to the side plates (62) are formed in the supporting shell (32).

5. A hidden stair lock according to claim 4, wherein: the stirring connecting piece (1) comprises a rotating connecting column (11) which is rotationally connected with the supporting shell (32), a through hole corresponding to the rotating column (52) is formed in the middle of the rotating connecting column (11), stirring blades (12) are fixed on the side face of the rotating connecting column (11), and two ends of the stirring blades (12) correspond to the two side plates (62).

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