CN213418275U

CN213418275U - Liftable assembled stair for building

Info

Publication number: CN213418275U
Application number: CN202021784509.7U
Authority: CN
Inventors: 杨艳; 张丽丽; 母中文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-11
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a liftable assembled stair for building, including stair body and stair base, the bottom of stair body is provided with the stair base, the inside of stair base is seted up flutedly, the inside of recess is provided with the threaded rod, the surface thread connection of threaded rod has the thread bush, the top fixed mounting of thread bush has first hinge, the thread bush has the bracing piece through first hinge swing joint, the bottom fixed mounting of stair base has the shock attenuation gyro wheel, the equal fixed mounting in both sides of stair base has the braking mechanism. The utility model discloses a set up a series of structures such as motor, threaded rod, thread bush and bracing piece in stair base, can realize the purpose of stair liftable, through the setting of shock attenuation gyro wheel, can realize the purpose that stair are convenient for remove, through the setting of stopping the mechanism, can prevent that stair from taking place the displacement when using, improve the security of stair.

Description

Liftable assembled stair for building

Technical Field

The utility model relates to an assembly type structure technical field specifically is a stair for assembly type structure of liftable.

Background

The prefabricated building is a building formed by assembling prefabricated parts on a construction site, is called as a prefabricated building, is divided into five types such as a block building, a plate building, a box building, a framework plate building and a rising-board rising-floor building according to the form and construction method of the prefabricated parts, can be manufactured in batches and in a set way like machine production along with the development of modern industrial technology, only the prefabricated building parts are transported to the construction site for assembly, most of the staircases for the prefabricated building are matched with steps, so that the assembly is completed, but the staircases cannot be adjusted in height and are inconvenient to move and use, so that the liftable staircases for the prefabricated building are needed

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liftable assembled stair for building in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liftable assembled stair for building, includes stair body and stair base, the bottom of stair body is provided with stair base, stair base's inside is seted up flutedly, the inside of recess is provided with the threaded rod, the surperficial threaded connection of threaded rod has the thread bush, the top fixed mounting of thread bush has first hinge, the thread bush has the bracing piece through first hinge swing joint, stair base's bottom fixed mounting has the shock attenuation gyro wheel, the equal fixed mounting in both sides of stair base has the braking mechanism.

Preferably, the stair body includes stair bottom plate, support column and ladder, the last fixed surface of stair bottom plate is connected with the support column, the top fixedly connected with ladder of support column.

Preferably, the lower surface of the stair bottom plate is fixedly provided with a second hinge, and the support rod is movably connected with the stair bottom plate through the second hinge.

Preferably, a motor mounting groove is formed in the middle of the bottom wall in the groove, a motor is fixedly mounted inside the motor mounting groove, the output end of the motor is fixedly connected with a first bevel gear, the number of the threaded rods is two, one end of each of the two threaded rods is fixedly connected with a second bevel gear, and the first bevel gears are meshed with the second bevel gears.

Preferably, the bottom of the threaded sleeve is fixedly connected with a limiting sliding block, the bottom of the groove is provided with a limiting sliding groove, and the limiting sliding block is arranged inside the limiting sliding groove.

Preferably, the shock attenuation gyro wheel includes activity post, movable sleeve, gyro wheel and spring, the inside of activity post plug-in connection in the movable sleeve, gyro wheel fixed mounting is in the bottom of movable sleeve, the spring cup joints in the surface of activity post.

Preferably, the braking mechanism comprises an electric push rod, a fixing block and a wear-resistant pad, the bottom of the electric push rod is fixedly connected with the fixing block, and the lower surface of the fixing block is fixedly connected with the wear-resistant pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up a series of structures such as threaded rod, thread bush and bracing piece in stair base, when using, can open two threaded rods of motor drive and rotate simultaneously, make the threaded rod drive the thread bush and remove, the thread bush drives the bracing piece and rotates to the adjustment bracing piece realizes the purpose of stair body liftable to the bearing height of stair body.

2. The utility model discloses a setting of gyro wheel, the convenience is removed stair, through the setting of spring, can play the cushioning effect to stair, can prolong the life of stair, through the setting of stopping the mechanism that stops, when using stair, can make the wearing pad contact ground with electric putter extension to prevent that stair from taking place the displacement when using, improve the security of stair.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the stair bottom plate of the present invention;

fig. 3 is a schematic view of the sectional structure of the damping roller of the present invention.

In the figure: 1. a stair body; 101. a stair tread; 102. a support pillar; 103. a step; 2. a stair base; 3. a groove; 4. a threaded rod; 5. a threaded sleeve; 6. a first hinge; 7. a support bar; 8. damping rollers; 801. a movable post; 802. a movable sleeve; 803. a roller; 804. a spring; 9. a braking mechanism; 901. an electric push rod; 902. a fixed block; 903. a wear pad; 10. a second hinge; 11. a motor mounting groove; 12. a motor; 13. a first bevel gear; 14. a second bevel gear; 15. a limiting slide block; 16. and a limiting sliding groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a liftable assembled building stair comprises a stair body 1 and a stair base 2, wherein the bottom of the stair body 1 is provided with the stair base 2, the interior of the stair base 2 is provided with a groove 3, the interior of the groove 3 is provided with a threaded rod 4, the surface of the threaded rod 4 is in threaded connection with a threaded sleeve 5, the top of the threaded sleeve 5 is fixedly provided with a first hinge 6, the threaded sleeve 5 is movably connected with a support rod 7 through the first hinge 6, a series of structures such as the threaded rod 4, the threaded sleeve 5 and the support rod 7 are arranged in the stair base 2, when the stair base is used, a motor 12 can be opened to drive the two threaded rods 4 to rotate simultaneously, so that the threaded rod 4 drives the threaded sleeve 5 to move, the threaded sleeve 5 drives the support rod 7 to rotate, the support height of the support rod 7 to the stair body 1 is adjusted, the purpose of lifting of the stair body 1 is realized, both sides of the stair base 2 are fixedly provided with a braking mechanism 9.

Further, the stair body 1 comprises a stair bottom plate 101, a support column 102 and a step 103, wherein the support column 102 is fixedly connected to the upper surface of the stair bottom plate 101, and the step 103 is fixedly connected to the top of the support column 102.

Further, the lower surface fixed mounting of stair bottom plate 101 has second hinge 10, and bracing piece 7 passes through second hinge 10 and stair bottom plate 101 swing joint, through the setting of second hinge 10, makes bracing piece 7 and stair bottom plate 101 can produce relative rotation to when bracing piece 7 takes place to rotate, can support stair bottom plate 101.

Further, motor mounting groove 11 has been seted up at the middle part of diapire in the recess 3, the inside fixed mounting of motor mounting groove 11 has motor 12, the first bevel gear 13 of output fixedly connected with of motor 12, the quantity of threaded rod 4 is two, the equal fixedly connected with second bevel gear 14 of one end of two threaded rods 4, first bevel gear 13 is connected with the meshing of second bevel gear 14, through motor 12, the setting of first bevel gear 13 and second bevel gear 14, use motor 12 to drive two threaded rods 4 and rotate simultaneously.

Further, the bottom fixedly connected with limit slide 15 of thread bush 5, limit chute 16 has been seted up to the bottom of recess 3, and limit slide 15 sets up in limit chute 16's inside, through limit slide 15 and limit chute 16's setting, can improve the stability when thread bush 5 removes.

Further, shock attenuation gyro wheel 8 includes activity post 801, movable sleeve 802, gyro wheel 803 and spring 804, and activity post 801 is pegged graft in the inside of movable sleeve 802, and gyro wheel 803 fixed mounting is in the bottom of movable sleeve 802, and spring 804 cup joints in the surface of activity post 801, through the setting of gyro wheel 803, conveniently removes stair, through the setting of spring 804, can play the cushioning effect to stair, can prolong the life of stair.

Further, stop mechanism 9 includes electric putter 901, fixed block 902 and wear pad 903, and electric putter 901's bottom fixedly connected with fixed block 902, and the lower surface fixedly connected with wear pad 903 of fixed block 902, through stop mechanism 9's setting of stopping, when using stair, can make wear pad 903 contact ground with electric putter 901 extension to prevent that stair from taking place the displacement when using, improve stair's security.

The working principle is as follows: when needs remove stair, accessible gyro wheel 803 removes stair, when using stair, can make wear pad 903 contact ground with electric putter 901 extension, prevents that stair from taking place the displacement when using, when adjusting stair's height, can open two threaded rods 4 of motor 12 drive and rotate simultaneously, makes threaded rod 4 drive thread bush 5 and removes, and thread bush 5 drives bracing piece 7 and rotates to adjustment bracing piece 7 is to the support height of stair body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a stair for assembly type building of liftable, includes stair body (1) and stair base (2), its characterized in that: the bottom of stair body (1) is provided with stair base (2), the inside of stair base (2) is seted up flutedly (3), the inside of recess (3) is provided with threaded rod (4), the surperficial threaded connection of threaded rod (4) has thread bush (5), the top fixed mounting of thread bush (5) has first hinge (6), thread bush (5) have bracing piece (7) through first hinge (6) swing joint, the bottom fixed mounting of stair base (2) has shock attenuation gyro wheel (8), the equal fixed mounting in both sides of stair base (2) has the brake to stop mechanism (9).

2. The liftable assembled building stair of claim 1, wherein the liftable assembled building stair comprises: the stair body (1) comprises a stair bottom plate (101), a supporting column (102) and a step (103), wherein the supporting column (102) is fixedly connected to the upper surface of the stair bottom plate (101), and the step (103) is fixedly connected to the top of the supporting column (102).

3. The liftable assembled building stair of claim 2, wherein the liftable assembled building stair comprises: the lower surface fixed mounting of stair bottom plate (101) has second hinge (10), bracing piece (7) are through second hinge (10) and stair bottom plate (101) swing joint.

4. The liftable assembled building stair of claim 1, wherein the liftable assembled building stair comprises: motor mounting groove (11) have been seted up at the middle part of diapire in recess (3), the inside fixed mounting of motor mounting groove (11) has motor (12), the first bevel gear (13) of output fixedly connected with of motor (12), the quantity of threaded rod (4) is two, two the equal fixedly connected with second bevel gear (14) of one end of threaded rod (4), first bevel gear (13) are connected with second bevel gear (14) meshing.

5. The liftable assembled building stair of claim 1, wherein the liftable assembled building stair comprises: the bottom fixedly connected with of thread bush (5) spacing slider (15), spacing spout (16) have been seted up to the bottom of recess (3), spacing slider (15) set up in the inside of spacing spout (16).

6. The liftable assembled building stair of claim 1, wherein the liftable assembled building stair comprises: the shock absorption roller (8) comprises a movable column (801), a movable sleeve (802), a roller (803) and a spring (804), wherein the movable column (801) is inserted into the movable sleeve (802), the roller (803) is fixedly installed at the bottom of the movable sleeve (802), and the spring (804) is sleeved on the outer surface of the movable column (801).

7. The liftable assembled building stair of claim 1, wherein the liftable assembled building stair comprises: the brake mechanism (9) comprises an electric push rod (901), a fixing block (902) and a wear-resistant pad (903), the bottom of the electric push rod (901) is fixedly connected with the fixing block (902), and the lower surface of the fixing block (902) is fixedly connected with the wear-resistant pad (903).