CN219196736U

CN219196736U - A template outer pull rod for construction

Info

Publication number: CN219196736U
Application number: CN202223505522.6U
Authority: CN
Inventors: 郭锡发; 李成财; 林诚
Original assignee: Nanjing Guhua Template Co ltd; Nanjing Guhua Metal Products Co ltd
Current assignee: Nanjing Guhua Template Co ltd; Nanjing Guhua Metal Products Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-16
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the technical field of template application, and particularly discloses a template external pull rod for building construction, which comprises an anchoring section, a hexagonal screwing section, an external connecting section and an internal threaded hole; the anchoring section, the hexagonal screwing section and the external connecting section are sequentially connected, and the internal threaded hole is formed in one end face of the anchoring section. The template outer pull rod for building construction has the beneficial effects that: 1. the template outer pull rod is made of high-quality steel, has good comprehensive mechanical properties, low-temperature impact toughness and notch sensitivity, and can meet construction requirements under various conditions; 2. the template outer pull rod has strong universality, reliable quality, no deformation or fracture and can be circularly recycled; 3. the external pull rod of the template adopts an integrated structure, so that the installation and flexible adjustment of the position of the pull rod from one end in a construction site are facilitated, the difficulty in installing and detaching the template is greatly reduced, the site working efficiency is improved, and the cost is saved.

Description

A template outer pull rod for construction

Technical Field

The utility model belongs to the technical field of template application, and particularly relates to a template external pull rod for building construction, which is used for meeting the working condition of a three-section opposite-pull screw rod which can not be pulled through in a template in building engineering construction or maintenance.

Background

The three-section split screws are often required to be used in the construction concrete formwork project to meet the waterproof or radiation-proof requirements of the project, and are mainly applied to projects such as underground foundations, tunnels, culverts, nuclear power stations, pipe galleries, sewage pools and the like, and generally have large field use amount and high requirements on buried setting positions.

The traditional three-section type opposite-pulling screw is often complicated in structural composition, the two ends of the pull rod are required to be accurately abutted in installation and positioning, and the connecting part is required to be connected in a sectional mode by using an additional conical joint, so that flexible adjustment cannot be realized, and great inconvenience is brought to the assembly and disassembly work of on-site practical operation workers. In this case, products applied to the outside ties of the form for construction have been developed.

Accordingly, based on the above-described problems, the present utility model provides a formwork outer tie for construction.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a template external pull rod for building construction, which aims at the problems existing in the prior art, has high strength, integrated integral structure and convenient site installation and disassembly, can be flexibly adjusted and can be repeatedly used after repeated turnover.

The technical scheme is as follows: the utility model relates to a formwork external pull rod for building construction, which comprises an anchoring section, a hexagonal screwing section, an external connecting section and an internal threaded hole; the anchoring section, the hexagonal screwing section and the external connecting section are sequentially connected, and the internal threaded hole is formed in one end face of the anchoring section.

According to the technical scheme, the anchoring section, the hexagonal screwing section and the external connecting section are of coaxial rod piece structures and are manufactured by adopting the same round steel through finish machining integrated forming.

According to the technical scheme, the aperture of the internal threaded hole in the exposed port of the anchoring section is matched with the opposite-pulling screw, and the hole depth is not less than 1/2 of the total length of the anchoring section.

According to the technical scheme, the section diameter of the rod piece is slightly enlarged from the exposed end face to the tail part of the threaded hole, and then the section diameter is kept unchanged until the hexagonal screwing section; the front section of the whole anchoring section containing the threaded hole is in a truncated cone shape, and the section from the rear section to the hexagonal screwing section is a solid cylinder.

According to the technical scheme, the hexagonal screwing section is positioned between the anchoring section and the outer connecting section, the outer frame of the rod piece is milled into a hexagonal nut shape, and the length is not smaller than the thickness of the nut with the same specification.

According to the technical scheme, after the hexagonal screwing section, the external connecting section is provided with the surface rolling threads and is connected with a matched gasket nut.

Compared with the prior art, the template external pull rod for building construction has the beneficial effects that: 1. the template outer pull rod is made of high-quality steel, has good comprehensive mechanical properties, low-temperature impact toughness and notch sensitivity, and can meet construction requirements under various conditions; 2. the template outer pull rod has strong universality, reliable quality, no deformation or fracture and can be circularly recycled; 3. the external pull rod of the template adopts an integrated structure, so that the installation of the external pull rod from one end of a construction site is facilitated, the position of the pull rod is flexibly adjusted, the difficulty in installing and detaching the template is greatly reduced, the working efficiency of the site is improved, and the cost is saved; 4. the design of the round table type end part and the hexagonal screwing section of the outer pull rod anchoring section of the template enables the on-site pull rod to be removed more quickly and conveniently, and the outer pull rod is a tool type outer pull rod of the template.

Drawings

In order to more clearly describe the embodiments of the present utility model or the technical solutions in the prior art, the following will be made

The drawings that are required for the embodiments are briefly described, and it is apparent that the drawings in the following description are merely some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort to those of ordinary skill in the art.

FIG. 1 is a schematic view of the front view of a formwork outer tie bar for use in building construction of the present utility model;

FIG. 2 is a schematic elevational view of a formwork outer tie bar for use in building construction in accordance with the present utility model;

FIG. 3 is a schematic elevational cross-sectional structural view of a formwork outer tie bar for use in building construction in accordance with the present utility model;

FIGS. 4a, 4b are schematic illustrations of an engineering application of a formwork external tie for construction of a building according to the present utility model;

FIG. 5 is a schematic view of a partially enlarged construction of the utility model at A in a formwork outer tie for construction;

wherein, the serial numbers in the figure are as follows: 1-anchoring section, 2-hexagonal screwing section, 3-external connecting section and 4-internal threaded hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inside", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further elucidated below in connection with the drawings and the specific embodiments.

The external formwork pull rod for building construction as shown in fig. 1, 2 and 3 comprises an anchoring section 1, a hexagonal screwing section 2, an external connecting section 3 and an internal threaded hole 4;

the anchoring section 1, the hexagonal screwing section 2 and the external connecting section 3 are sequentially connected, and the internal threaded hole 4 is formed in one end face of the anchoring section 1.

In addition, the anchoring section 1, the hexagonal screwing section 2 and the external connecting section 3 are of coaxial rod piece structures and are manufactured by adopting the same round steel through finish machining and integral molding.

In addition, the hole diameter of the internal threaded hole 4 in the exposed port of the preferred anchoring section 1 is matched with that of a counter-pulling screw, and the hole depth is not less than 1/2 of the total length of the anchoring section.

In addition, the preferred anchoring section 1 extends from the exposed end surface to the tail part of the threaded hole, the section diameter of the rod piece is slightly enlarged, and then the rod piece is kept unchanged until the hexagonal screwing section;

the front section of the whole anchoring section containing the threaded hole is in a truncated cone shape, and the section from the rear section to the hexagonal screwing section is a solid cylinder.

In addition, the preferable hexagonal screwing section 2 is positioned between the anchoring section 1 and the outer connecting section 3, the outer frame of the rod piece is milled into a hexagonal nut shape, and the length is not less than the thickness of the nut with the same specification.

In addition, the preferred male connecting section 3 is threaded on its surface after the hex driving section 2 and is connected to a mating washer nut.

The working principle or the structural principle of the template outer pull rod for building construction of the structure:

as further shown in fig. 4a, 4b and 5, one end of the outer connecting section 3 penetrates through the wall large formwork and is rotationally assembled with the outer pull rod gasket nut, the embedded screw is rotationally assembled with the internal threaded hole 4 in one end of the anchoring section 1, and the fixed assembly with the anchoring section 1 is achieved.

The template outer pull rod for building construction of this structure possesses following advantage: (1) The three sections of the template outer connecting rod are integrally formed through finish machining, so that the template outer connecting rod has excellent integrity, and the stability and reliability of stress are ensured; (2) The pull rod is made of high-strength materials, and the section design of the pull rod is subjected to multiple strict calculation and optimization, so that the safety in the use process is ensured; (3) The front section of the outer connecting rod anchoring section of the template is designed into a circular truncated cone shape, so that the front section of the outer connecting rod anchoring section of the template is convenient to detach from concrete after concrete pouring is finished, and a field worker can easily complete the installation and detachment work by using a tool due to the design of a nut of the hexagonal screwing section.

It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A template outer pull rod for construction, its characterized in that: comprises an anchoring section (1), a hexagonal screwing section (2), an external connecting section (3) and an internal threaded hole (4);

the anchoring section (1), the hexagonal screwing section (2) and the external connecting section (3) are sequentially connected, and the internal threaded hole (4) is formed in one end face of the anchoring section (1).

2. A form external tie for construction according to claim 1, wherein: the anchoring section (1), the hexagonal screwing section (2) and the external connecting section (3) are coaxial rod piece structures and are manufactured by adopting the same round steel through finish machining and integrated forming.

3. A form external tie for construction according to claim 1, wherein: the aperture of the internal threaded hole (4) in the exposed port of the anchoring section (1) is matched with the opposite-pulling screw rod, and the hole depth is not less than 1/2 of the total length of the anchoring section.

4. A form external tie for construction according to claim 1, wherein: the anchoring section (1) starts from the exposed end surface to the tail part of the threaded hole, the section diameter of the rod piece is slightly enlarged, and then the rod piece is kept unchanged until the hexagonal screwing section;

5. A form external tie for construction according to claim 1, wherein: the hexagonal screwing section (2) is positioned between the anchoring section (1) and the external connecting section (3), the outer frame of the rod piece is milled into a hexagonal nut shape, and the length is not less than the thickness of the nut with the same specification.

6. A form external tie for construction according to claim 1, wherein: after the hexagonal screwing section (2), the external connecting section (3) is provided with a surface rolling thread and is connected with a matched gasket nut.