CN220620489U

CN220620489U - Positioning structure of prefabricated staircase

Info

Publication number: CN220620489U
Application number: CN202322114885.5U
Authority: CN
Inventors: 蒋芳龙; 陈玉梅; 周自红; 邓金翔; 周欢
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-19
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a positioning structure of a prefabricated staircase, which belongs to the technical field of assembly type building construction and comprises a support and the prefabricated staircase; the novel stair fixing device is characterized in that a film plate is arranged at the bottom of the support, a positioning bolt is sleeved on the film plate, the positioning bolt is embedded in the support, the prefabricated stair is spliced on the upper portion of the support, the upper portion of the positioning bolt penetrates through a reserved hole in the prefabricated stair, a filler for enabling the prefabricated stair to be firmly connected with the support is further arranged between the prefabricated stair and the support, an insert is arranged at the bottom of the positioning bolt, a plastic plate is arranged on the film plate, an insert hole matched with the insert is formed in the plastic plate, and the positioning bolt is installed in the insert hole in the plastic plate in a jogged mode through the insert hole; the utility model can solve the problems that the installation quality and the installation efficiency of the prefabricated staircase are affected due to inaccurate positioning of the pre-buried connecting piece in the installation of the prefabricated staircase.

Description

Positioning structure of prefabricated staircase

Technical Field

The utility model belongs to the technical field of assembly type building construction, and particularly relates to a positioning structure of a prefabricated staircase.

Background

The components and accessories used in the building, such as floors, wallboards, stairs, balconies and the like, are manufactured in factories, transported to building construction sites, and assembled and installed on site through reliable connection modes, and the process is called an assembly type building process. Prefabricated stairways are commonly used in prefabricated buildings, and are prefabricated in factory on-site installation mode. The prefabricated stair board one end has first mounting hole and second mounting hole, and through on-the-spot actual test, the accuracy of pre-buried connecting piece plane position is very critical, is the prerequisite assurance that improves prefabricated stair installation quality and installation effectiveness.

Disclosure of Invention

In view of the above, the utility model aims to solve the problems of inaccurate positioning of the prefabricated staircase installation embedded connecting piece and influence on the installation quality and the installation efficiency of the prefabricated staircase in the prior art, and provides an XXX, which provides the following technical scheme:

comprises a support and a prefabricated stair; the support bottom is provided with the lamina membranacea, the cover is equipped with positioning bolt on the lamina membranacea, positioning bolt pre-buried in the support, prefabricated staircase splice in support upper portion, positioning bolt upper portion wears to locate in the preformed hole on the prefabricated staircase, the prefabricated staircase with still be provided with between the support and be used for making its firm filler of connection.

The bottom of the positioning bolt is provided with an embedded block, the diaphragm plate is provided with a plastic plate, the plastic plate is provided with an embedded hole matched with the embedded block, and the positioning bolt is embedded and installed in the embedded hole on the plastic plate through the embedded block.

Cement mortar is paved between the bottom of the prefabricated staircase and the upper part of the support, polyphenyl is filled between the side part of the prefabricated staircase and the side part of the support, and PE rods are also filled on the upper part of the polyphenyl.

The diaphragm plate is connected with the plastic plate by bolts.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

the diaphragm plate is used as the bottom plate when pouring the support, the positioning accuracy is high, the diaphragm plate is required to be kept fixed, the diaphragm plate is used as the base point of the positioning bolt, the pre-buried accuracy of the positioning bolt is high, the positioning bolt is not easy to deviate, the positioning bolt is mounted on the diaphragm plate in a sleeved mode, the positioning bolt is not easy to deviate, and meanwhile, after the support is poured on the diaphragm plate, the diaphragm plate can be easily taken down.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a positioning structure of a prefabricated staircase.

FIG. 2 is a schematic view of a positioning bolt assembly for a positioning structure of a prefabricated staircase.

FIG. 3 is a schematic illustration of a pilot hole of a stairway.

FIG. 4 is a schematic illustration of one of the positioning structure inserts of the prefabricated staircase.

FIG. 5 is a schematic illustration of a hole for a positioning structure of a prefabricated staircase.

FIG. 6 is a schematic view of a structural insert for a stairway.

Reference numerals:

1. a support; 2. prefabricating stairs; 3. a template; 31. a plastic plate; 32. embedding holes; 4. positioning bolts; 41. an insert.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1-6, the positioning structure of the prefabricated staircase provided by the utility model,

comprises a support 1 and a prefabricated stair 2; the support 1 bottom is provided with lamina membranacea 3, and the cover is equipped with positioning bolt 4 on lamina membranacea 3, and positioning bolt 4 pre-buried in support 1, prefabricated staircase 2 splice in support 1 upper portion, and in positioning bolt 4 upper portion worn to locate the preformed hole on the prefabricated staircase 2, still be provided with between prefabricated staircase 2 and the support 1 and be used for making its firm filler of connection.

The bottom of the positioning bolt 4 is provided with an embedded block 41, the diaphragm plate 3 is provided with a plastic plate 31, the plastic plate 31 is provided with an embedded hole 32 matched with the embedded block 41, and the positioning bolt 4 is embedded and installed in the embedded hole 32 on the plastic plate 31 through the embedded block 41.

In a specific operation, the embedding holes 32 which can be matched with the embedding blocks 41 can be formed on the plastic plate 31 by heating the embedding blocks 41 at the bottom of the positioning bolts 4 and then contacting the embedding blocks with the plastic plate 31 to carry out hot melting on the plastic plate 31, and the used raw materials are only ordinary and flat plastic plates; the plastic plate 31 is convenient to manufacture, low in cost, capable of being subjected to hot melting at the corresponding position on the plastic plate 31 according to the position requirement of the positioning bolt 4 on site, high in freedom degree and flexible to use.

In addition to the above-described mode, when the plastic plate 31 and the positioning bolt 4 are manufactured, the plastic plate having the insert hole 32 may be machined or poured for the insert 41 on the positioning bolt 4. The user can select a proper mode according to actual conditions.

Cement mortar is paved between the bottom of the prefabricated staircase 2 and the upper part of the support 1, polyphenyl is filled between the side part of the prefabricated staircase 2 and the side part of the support 1, and PE rods are also filled on the polyphenyl upper part.

The diaphragm plate 3 is bolted to the plastic plate 31.

When the spot hot-melt method is adopted, if the hot-melt embedded holes 32 cannot be used, the plastic plate 31 can be replaced.

During implementation, the plastic plate 31 is installed on the membrane plate 3, the positioning bolts 4 are embedded and installed with the embedded holes 32 on the plastic plate 31 through the embedded blocks 41, then the support 1 is poured, after pouring is completed, the positioning bolts 4 are embedded in the support 1, then the membrane plate 3 and the plastic plate 31 are taken down, the bottom of the support 1 is filled with filler, the bottom of the support 1 is leveled, cement mortar is paved on the upper portion of the support 1 and leveled, the prefabricated staircase 2 is installed on the support 1, the upper portions of the positioning bolts 4 are inserted into the reserved holes on the prefabricated staircase 2, polyphenyl is filled between the prefabricated staircase 2 and the side portions of the support 1, PE pipes are filled and sealed, and finally the reserved holes are filled with the cement mortar.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A location structure of prefabricated staircase, its characterized in that: comprises a support (1) and a prefabricated staircase (2); the utility model discloses a prefabricated stair, including support (1), support (2), locating bolt (4) are provided with lamina membranacea (3) in the cover on lamina membranacea (3), locating bolt (4) pre-buried in support (1), prefabricated stair (2) splice in support (1) upper portion, locating bolt (4) upper portion wears to locate in the preformed hole on prefabricated stair (2), prefabricated stair (2) with still be provided with between support (1) and be used for making its firm filler of connection.

2. A positioning structure for a prefabricated staircase as defined in claim 1, wherein: the utility model discloses a plastic panel, including plastic panel (31), locating bolt (4), plastic panel (31), locating bolt (4) bottom is provided with abaculus (41), be provided with on lamina membranacea (3) with abaculus (41) fit inlay hole (32), locating bolt (4) pass through abaculus (41) gomphosis install in on plastic panel (31) inlay hole (32).

3. A positioning structure for a prefabricated staircase as defined in claim 1, wherein: cement mortar is paved between the bottom of the prefabricated staircase (2) and the upper part of the support (1), polyphenyl is filled between the side part of the prefabricated staircase (2) and the side part of the support (1), and PE rods are also filled on the upper part of the polyphenyl.

4. A positioning structure for a prefabricated staircase as defined in claim 2, wherein: the diaphragm plate (3) is connected with the plastic plate (31) by bolts.