CN213571688U

CN213571688U - Assembled building stair that stability is good

Info

Publication number: CN213571688U
Application number: CN202021754815.6U
Authority: CN
Inventors: 罗斌; 肖鸽; 殷兴; 李佳; 罗熙
Original assignee: Hunan Jiangnan Steel Structure Engineering Co ltd
Current assignee: Hunan Jiangnan Steel Structure Engineering Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-29
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an assembled building stair that stability is good, including hypomere cement ladder and upper segment cement ladder, hypomere cement ladder is equipped with the connecting device of mutual symmetry with the side of upper segment cement ladder, the top of hypomere cement ladder is equipped with the upper mounting plate and the lower extreme is equipped with the platform of stopping for a rest, the bottom surface of stopping for a rest is corresponding with the reinforcing bar pole that is equipped with mutual symmetry and subaerial connecting hole, the bottom of upper segment cement ladder is equipped with down the platform and the upper end is equipped with stops for a rest. A good assembled building stair of stability belongs to the assembled building stair field, through the connecting device at lower section cement ladder and the installation of upper segment cement ladder side, back in the mounting groove of seting up on the wall is installed, can the cast-in-place work load of greatly reduced second time to on the basis that reinforcing bar and spread groove are connected, increased the stability of stair, the upper mounting platform of installation and the design installation of upper mounting platform have increased stability on original installation basis.

Description

Assembled building stair that stability is good

Technical Field

The utility model relates to an assembly type structure stair field, in particular to assembly type structure stair that stability is good.

Background

The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall plates, stairs and balcony lamps) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. In the installation process of the conventional fabricated stairway, after the steel bars installed in the stairway are connected with the connecting grooves formed in the wall body, secondary cast-in-place is needed for the connecting parts, the cast-in-place workload is large, the stability is poor, and meanwhile, the installation mode of the upper platform and the lower platform between the stairway and the stairway is also completed through secondary cast-in-place.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a good assembled building stair of stability, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a good assembled building stair of stability, includes hypomere cement stair and upper segment cement stair, hypomere cement stair are equipped with the connecting device of mutual symmetry with the side of upper segment cement stair, the top of hypomere cement stair is equipped with the upper mounting plate and the lower extreme is equipped with the platform of stopping down, the bottom surface of stopping down the platform with be equipped with the reinforcing bar pole of mutual symmetry and corresponding with subaerial connecting hole, the bottom of upper segment cement stair is equipped with down the platform and the upper end is equipped with stops down the platform, the bottom surface of stopping down the platform is equipped with the reinforcing bar pole of mutual symmetry and corresponding with subaerial connecting hole, is equipped with the mounting groove of symmetry on the wall.

Preferably, the side surfaces of the lower cement step and the upper cement step are embedded with symmetrical mounting cylinders, the upper end cylinder wall and the lower end cylinder wall of each mounting cylinder are fixedly provided with positioning blocks, and the inner wall of each mounting cylinder is fixedly provided with internal threads.

Preferably, the connecting device comprises a connecting cylinder, a pressure spring, connecting blocks, a clamping block, a stop block and an external thread column, wherein the pressure spring is fixedly arranged inside the connecting cylinder, the connecting blocks are fixedly arranged at two ends of the pressure spring, the clamping block is fixedly arranged at the front end of each connecting block, the symmetrical stop blocks are fixedly arranged at the front end and the rear end of the inner wall of the connecting cylinder, the external thread column is fixedly arranged at the rear end of the connecting cylinder, and the external thread column is fixedly arranged on the internal thread of the mounting cylinder through the external thread above the external thread column.

Preferably, a plurality of fixing grooves which are symmetrical to each other are pre-opened in the upper platform and the lower platform, nuts are pre-embedded at the front ends of the fixing grooves which are pre-opened in the lower platform, and deformed steel bars are movably installed in the grooves of the fixing grooves which are pre-opened in the upper platform.

Preferably, the wall is provided with an installation groove opposite to the connecting device, and fixing blocks are fixedly installed on two sides of the installation groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the connecting device at lower section cement stair and the installation of upper segment cement stair side, back in installing the mounting groove of seting up on the wall, can the cast-in-place work load of greatly reduced second to on the basis that reinforcing bar and spread groove are connected, increased the stability of stair, in this moment, the upper mounting platform of installation and the design installation of upper mounting platform have increased stability on original installation basis, and avoided the secondary to cast-in-place.

Drawings

Fig. 1 is a schematic view of the overall structure of the assembled building stair with good stability;

FIG. 2 is a schematic plan sectional view of the whole structure of the connecting device for the assembled building stairs with good stability of the present invention;

FIG. 3 is a schematic cross-sectional view of the installation tube of the assembled building stairway with good stability inside the stairs of the present invention;

FIG. 4 is a schematic sectional view of the inner structure of the installation groove of the prefabricated building staircase with good stability in the wall;

fig. 5 is the utility model relates to a good assembled building stair's of stability upper platform and lower platform plane mounting section view schematic diagram.

In the figure: 1. a lower cement step; 2. a connecting device; 3. an upper platform; 4. an upper section of cement stairs; 5. A lower platform; 6. a reinforcing bar rod; 7. connecting holes; 8. a wall; 9. mounting grooves; 10. stopping; 11. a connecting cylinder; 12. a pressure spring; 13. connecting blocks; 14. a clamping block; 15. a stopper; 16. an externally threaded post; 17. Mounting the cylinder; 18. an internal thread; 19. positioning blocks; 20. a fixed block; 21. fixing grooves; 22. deformed steel bar; 23. and (4) a nut.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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.

As shown in figures 1-5, an assembled building stair with good stability comprises a lower cement step 1 and an upper cement step 4, wherein the lateral sides of the lower cement step 1 and the upper cement step 4 are provided with symmetrical connecting devices 2, the top end of the lower cement step 1 is provided with an upper platform 3, the lower end of the lower cement step 1 is provided with a rest 10, the bottom surface of the rest 10 corresponds to a connecting hole 7 on the ground and is provided with a symmetrical reinforcing steel bar 6, the bottom end of the upper cement step 4 is provided with a lower platform 5, the upper end of the upper cement step 4 is provided with a rest 10, the bottom surface of the rest 10 is provided with a symmetrical reinforcing steel bar 6 and corresponds to a connecting hole 7 on the ground, and a wall 8 is provided with symmetrical mounting grooves 9.

In this embodiment, in order to realize the installation of the connection device 2, the installation cylinders 17 that are symmetrical to each other are embedded in the side surfaces of the lower cement step 1 and the upper cement step 4, the positioning blocks 19 are fixedly installed on the cylinder walls of the upper and lower ends of the installation cylinders 17, the internal threads 18 are fixedly installed on the cylinder inner walls of the installation cylinders 17, and the connection device 2 is fixedly installed through the internal threads 18 installed in the installation cylinders 17.

In this embodiment, in order to make upper segment cement step 4 and lower segment cement step 1 can install on wall 8, connecting device 2 is by connecting cylinder 11, pressure spring 12, connecting block 13, fixture block 14, dog 15 and external screw thread post 16, the inside fixed mounting of connecting cylinder 11 has pressure spring 12, pressure spring 12's both ends fixed mounting has connecting block 13, connecting block 13's front end fixed mounting has fixture block 14, the dog 15 of symmetry is fixed mounting to the section of thick bamboo inner wall front and back end of connecting cylinder 11, the rear end fixed mounting of connecting cylinder 11 has external screw thread post 16, external screw thread post 16 is through above-mentioned external screw thread fixed mounting on the internal thread 18 of installation section of thick bamboo 17, through in the mounting groove 9 of seting up on installing connecting device 2 installation wall 8, can be with stable the installation on wall 8 of step, and reduce cast-in-place work load, save manpower and material.

In this embodiment, in order to install the upper cement step 4 and the lower cement step 1, a plurality of mutually symmetrical fixing grooves 21 are pre-opened in the upper platform 3 and the lower platform 5, a nut 23 is pre-embedded in the front end of the fixing groove 21 pre-opened in the lower platform 5, a deformed steel bar 22 is movably installed in the groove of the fixing groove 21 pre-opened in the upper platform 3, the deformed steel bar 22 in the fixing groove 21 opened in the upper platform 3 is installed on the nut 23 in the fixing groove 21 opened in the lower platform 5, the upper cement step 4 and the lower cement step 1 can be stably connected through the connection of the upper platform 3 and the lower platform 5, and the operation of secondary cast-in-place is avoided.

In addition, wall 8 is provided with mounting groove 9 opposite to connecting device 2 and fixing blocks 20 are fixedly mounted on two sides of mounting groove 9, and connecting device 2 can be connected and clamped in wall 8 through fixing blocks 20 mounted in mounting groove 9.

It should be noted that, the utility model relates to an assembled building stair with good stability, when using the device, firstly, the connecting device 2 is installed, the external screw thread column 16 in the connecting device 2 is installed on the internal screw thread 18 in the installation cylinder 17 pre-embedded in the side of the lower cement step 1 and the upper cement step 4, meanwhile, the positioning block 19 fixedly installed on the installation cylinder 17 is used for preventing the installation cylinder 17 from shaking and increasing the friction force between the installation cylinder 17 and the cement after the cement pouring is finished, secondly, the installation groove 9 formed in the opposite wall 8 of the connecting device 2 of the lower cement step 1 is installed, in the installation process, the clamping blocks 14 on the two sides of the connection cylinder 11 can be pressed by the fixing block 20 installed in the groove wall of the installation groove 9, the pressure spring 12 installed in the connection cylinder 11 can be pressed for retraction movement, the connecting block 13 drives the clamping block 14 to approach the wall of the connecting cylinder 11, after the clamping block is pushed to a certain degree into the groove of the mounting groove 9, the pressure spring 12 suddenly loses the pressure resistance from the fixing block 20, the pressure spring 12 makes an extending movement, and the connecting block 13 drives the clamping block 14 to push towards the outer side direction, at the moment, the clamping blocks 14 on the two sides of the connecting cylinder 11 are completely clamped in the mounting groove 9, the lower cement step 1 is completely mounted on the wall 8, then, the side surface of the lower platform 5 mounted at the lower end of the upper cement step 4 is aligned with the side surface of the upper platform 3 mounted at the upper end of the lower cement step 1, then, the screw steel 22 in the fixing groove 21 formed in the upper platform 3 is inserted into the fixing groove 21 formed in the lower platform 5, and the top end of the screw steel 22 is screwed into the nut 23 pre-buried in the lower platform 5, at the moment, the lower cement step 1 and the upper cement step 4 are connected together through the mounting of the upper platform 3 and the lower platform 5 When the upper platform 3 and the lower platform 5 are installed, the connecting device 2 on the side of the upper cement step 4 is connected with the wall 8 and the connecting device 2 on the side wall of the lower cement step 1 is fixedly installed with the wall 8 in the same way.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a good assembled building stair of stability which characterized in that: including hypomere cement ladder (1) and upper segment cement ladder (4), hypomere cement ladder (1) is equipped with connecting device (2) of mutual symmetry with the side of upper segment cement ladder (4), the top of hypomere cement ladder (1) is equipped with upper mounting plate (3) and the lower extreme is equipped with the platform of stopping down (10), the bottom surface of stopping down (10) with be equipped with mutual symmetry reinforcing bar pole (6) and corresponding with subaerial connecting hole (7), the bottom of upper segment cement ladder (4) is equipped with lower platform (5) and the upper end is equipped with the platform of stopping down (10), the bottom surface of stopping down (10) is equipped with mutual symmetry reinforcing bar pole (6) and corresponding with subaerial connecting hole (7), is equipped with symmetrical mounting groove (9) on wall (8).

2. The assembled building stair with good stability according to claim 1, wherein: the side surfaces of the lower section of cement step (1) and the upper section of cement step (4) are embedded with symmetrical mounting cylinders (17), positioning blocks (19) are fixedly mounted on the cylinder walls of the upper end and the lower end of the mounting cylinders (17), and internal threads (18) are fixedly mounted on the inner wall of the mounting cylinder (17).

3. The assembled building stair with good stability according to claim 1, wherein: connecting device (2) by connecting cylinder (11), pressure spring (12), connecting block (13), fixture block (14), dog (15) and external screw thread post (16), the inside fixed mounting of connecting cylinder (11) has pressure spring (12), the both ends fixed mounting of pressure spring (12) has connecting block (13), the front end fixed mounting of connecting block (13) has fixture block (14), the fixed mounting has dog (15) of symmetry around the section of thick bamboo inner wall of connecting cylinder (11), the rear end fixed mounting of connecting cylinder (11) has external screw thread post (16), external screw thread post (16) are through above external screw thread fixed mounting on internal thread (18) of installation section of thick bamboo (17).

4. The assembled building stair with good stability according to claim 1, wherein: the novel fixing device is characterized in that a plurality of mutually symmetrical fixing grooves (21) are pre-formed in the upper platform (3) and the lower platform (5), a nut (23) is pre-embedded at the front end of the groove of the pre-formed fixing groove (21) in the lower platform (5), and threaded steel (22) is movably arranged in the groove of the pre-formed fixing groove (21) in the upper platform (3).

5. The assembled building stair with good stability according to claim 1, wherein: the wall (8) is provided with a mounting groove (9) opposite to the connecting device (2) and fixing blocks (20) are fixedly mounted on two sides of the mounting groove (9).