CN216380547U

CN216380547U - Fastener, keel connecting structure and building template system

Info

Publication number: CN216380547U
Application number: CN202122381409.0U
Authority: CN
Inventors: 李红宇; 李志�; 李印成
Original assignee: Yidezhu Technology Group Co ltd
Current assignee: Yidezhu Technology Group Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-26
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a fastener, a keel connecting structure and a building template system, wherein the fastener is used for fastening a keel and a U-shaped connecting piece along a first direction vertical to a pouring wall surface, so that outward deformation displacement vertical to the wall surface direction is avoided between adjacent keels in the pouring process, the stable connection of templates is ensured, and the quality of a pouring wall body is improved.

Description

Fastener, keel connecting structure and building template system

Technical Field

The present invention relates generally to the field of construction, and more particularly to a fastener, a keel connection structure, and a building template system.

Background

In the construction engineering industry, the formwork technique is the most common construction technique, is closely related to the pouring quality of concrete, and can ensure that the structure and the size of a pouring workpiece can completely meet established construction requirements and standards. In the traditional formwork technology, a wooden formwork, a plastic formwork or an aluminum alloy formwork is adopted to enclose a poured wall body shape, longitudinal secondary keels are fixed on the formwork at intervals, and transverse main keels are hooped on the peripheries of the secondary keels, so that formwork fixing is completed. In recent years, the assembly type formwork technology is gradually popularized, a connecting plate of a formwork section material replaces a longitudinal secondary keel, and a transverse main keel is hooped at the end part of the assembled connecting plate of the formwork section material.

In the above different formwork techniques, when the formwork is assembled and the peripheral keel is installed, the plurality of keels need to be connected to each other through the connecting member. In the prior art, a connecting piece with a closed cross section is often used to be sleeved outside the end part of the adjacent keel or inserted into the end part of the adjacent keel, so that a connecting hole at the end part of the keel is aligned with a connecting hole on the connecting piece, and a pin piece is inserted into the connecting piece at the same time to realize the connection between the connecting piece and the keel.

However, in the actual pouring process, the expansion force in the concrete hardening process pushes the formwork outwards along the direction perpendicular to the wall surface, and the pin hole matching positions in the connecting structure between the adjacent keels and the matching positions of the keels and the connecting pieces have structural gaps, so that the keels and the connecting pieces are connected loosely, the outward deformation displacement perpendicular to the wall surface direction is generated between the adjacent keels, and finally the formwork deformation and the quality reduction of the poured wall body are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a fastener, a keel connecting structure and a building template system.

The utility model aims to solve the technical problem that the fastener is used for fastening the keel and the U-shaped connecting piece along a first direction perpendicular to a poured wall surface and comprises a fixing part, a rod part and a movable part, wherein the rod part extends along the first direction, the fixing part is fixedly connected to one end of the rod part, the movable part is arranged at the other end, opposite to the fixing part, of the rod part, and the movable part can move towards or away from the fixing part along the first direction so as to be suitable for fastening the keel and the connecting piece between the fixing part and the movable part.

According to the keel connecting assembly, two adjacent keels are in butt joint along the end of the wall surface, the opening side of the U-shaped connecting piece is buckled in the butt joint area of the end ends of the two keels along the first direction, the fastener penetrates through the U-shaped connecting piece and the keels along the first direction, and the keels and the connecting piece are relatively pressed in the first direction by adjusting the position of the movable part of the fastener on the rod part, so that the matching gap between the keels and the U-shaped connecting piece is eliminated, outward deformation displacement perpendicular to the wall surface direction is avoided in the pouring process, the stable connection of templates is ensured, and the quality of the poured wall body is improved.

Further, according to the fastener of the present invention, the fixing portion is in a shape of a strip extending perpendicular to the first direction, the strip has a first length dimension, openings are provided on two sides of the keel, the openings have a first height dimension, and the first length dimension is greater than the first height dimension.

Further, according to the fastener of the present invention, the fixing portion is in a shape of a strip extending perpendicular to the first direction, the strip has a first width dimension, openings are formed on two sides of the keel, the openings have a first height dimension, a long hole is formed on one side of the U-shaped connecting member, the long hole has a second height dimension, and the first width dimension is smaller than the first height dimension and the second height dimension.

Further, in the fastener of the present invention, the fixing portion is in a strip shape extending perpendicular to the first direction, both ends of the strip shape are respectively provided with a stopping portion extending toward the other end of the rod portion, the U-shaped connecting member has a third height dimension, and a distance between the stopping portions is greater than the third height dimension.

Further, the fastener of the present invention, the shaft portion is at least partially externally threaded in the first direction, and the movable portion is an internally threaded member adapted such that the movable portion can be screwed to the shaft portion so that the movable portion can be moved toward or away from the fixed portion in the first direction.

Further, in the fastener of the present invention, the internal thread member includes a stopper piece and a nut.

Another object of the present invention is achieved by the following technical solution, in which a keel connecting structure includes a pair of keels, a U-shaped connector and at least a pair of fasteners, the keels have openings on both sides, the U-shaped connector has a long hole on one side, the keels are butted against each other along the same direction, the U-shaped connector is fastened to the end butt areas of the keels along a first direction perpendicular to a wall surface to make the long hole at least partially coincide with the openings of the keels, respectively, and the fasteners are the aforementioned fasteners so that the fasteners can pass through the long holes and the openings, respectively, to fasten the keels and the U-shaped connector along the first direction perpendicular to the wall surface.

Furthermore, the keel connecting structure further comprises a pair of pins, and the pair of pins are used for limiting the keel and the U-shaped connecting piece along the length direction of the keel along the height direction of the keel.

Another object of the present invention is achieved by providing a building form system including the aforementioned keel connecting structure.

Through the technical scheme, the utility model can realize the following effects:

by adopting the technical scheme, the outward deformation displacement perpendicular to the wall surface direction can be avoided between the adjacent keels in the pouring process, the stable connection of the templates is ensured, and the quality of the poured wall body is improved.

Drawings

The above and other objects, features and advantages of embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

figure 1 illustrates a first perspective assembled view of the keel connection of the utility model;

FIG. 2 shows a schematic view of a fastener of the present invention;

FIG. 3 shows a schematic view of a U-shaped connector of the present invention;

figure 4 shows an exploded view of the keel connection of the utility model;

figure 5 illustrates a second perspective assembled view of the keel connection of the utility model.

In the drawings, like or corresponding reference numerals designate like or corresponding parts throughout the several views:

1-fastener, 11-fixing part, 111-stopping part, 12-rod part, 13-stopping sheet, 14-nut, 2-keel, 21-opening, 3-U-shaped connecting piece, 31-elongated hole and 4-pin.

Detailed Description

The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the utility model, and are not intended to limit the scope of the utility model in any way.

It should be noted that, for the purposes of the present disclosure, the term "first direction X" is defined as the direction perpendicular to the wall surface to be poured, as shown in fig. 1, "up" is the direction facing the sky perpendicular to the horizontal ground surface, and "down" is the direction facing the ground perpendicular to the horizontal ground surface.

The keel connecting structure is used for template hooping of a building pouring template system, and after the end ends of two adjacent keels in a plane wall area are butted, the two adjacent keels are stably connected by using the keel connecting structure. The connecting structure comprises two adjacent keels 2, a U-shaped connecting piece 3 and a pair of fasteners 1.

As shown in fig. 2, the fastener 1 of the present invention comprises a fixing portion (11), a rod portion (12) extending along the first direction (X), a stop piece 13 and a nut 14, wherein the fixing portion (11) is fixedly connected to one end of the rod portion (12), the stop piece 13 and the nut 14 are arranged at the other end of the rod portion (12) opposite to the fixing portion (11), and the stop piece 13 and the nut 14 can move towards or away from the fixing portion (11) along the first direction (X) to be suitable for being matched with the fixing portion 11 to fasten the keel (2) and the connecting member (3).

The fixing portion 11 of the fastener 1 of the present invention has a strip shape having a first length dimension (L1) and a first width dimension (B1). Specifically, when the fastener 1 is used, the strip-like length direction is made horizontal, the fixing portion 11 is inserted into the elongated hole 31 of the U-shaped connector 3 and the opening 21 of the keel 2 and is then inserted out of the other side opening 21 of the keel 2, and the rod portion 12 is rotated so that the strip-like length direction is perpendicular to the horizontal direction. In order to enable the strip to pass through the strip hole 31 and the opening 21, a first width dimension (B1) of the strip is ensured to be smaller than a second height dimension (H2) of the strip hole 31 and a first height dimension (H1) of the opening 21.

Then, embolia the other end of pole portion 12 with backstop piece 13 and nut 14 in proper order, through screwing nut 14 soon, promote backstop piece 13 and move gradually towards fixed part 11 direction along pole portion 12, until backstop piece 13 supports tightly on U type connecting piece 3, fixed part 11 is kept away from wall direction pulling fossil fragments 2 along first direction X orientation this moment, and meanwhile backstop piece 13 is close to wall direction promotion U type connecting piece 3 along first direction X orientation to fasten fossil fragments 2 and U type connecting piece 3 each other on first direction X. In order to make the fixing portion 11 pull the keel 2, it is required to ensure that the strip-shaped first length dimension L1 of the fixing portion 11 is greater than the first height dimension H1 of the opening 21 of the keel 2.

In another embodiment, the two ends of the strip are respectively provided with a stopping part (111) extending towards the other end of the rod part (12), the U-shaped connecting piece (3) is provided with a third height dimension (H3), and the distance between the stopping parts (111) is larger than the third height dimension (H3), so that the U-shaped connecting piece (3) is limited in the direction perpendicular to the horizontal plane, and the U-shaped connecting piece (3) is prevented from moving up and down.

The building formwork system assembly process of the present invention is described in detail below.

As shown in fig. 1-5, after the formwork is erected, the formwork is tightened using the keel 2. In the plane wall body region, carry out end butt joint with two adjacent fossil fragments earlier, butt joint department can adopt concrete structure reciprocal anchorage, also can only the interval place and not carry out reciprocal anchorage. Then, push U type connecting piece 3 along first direction X towards the wall and push the end butt joint region of two adjacent fossil fragments, push and use round pin 4 to insert corresponding locating hole after targetting in place, tentatively fix fossil fragments 2 with U type connecting piece 3. Finally, the fastening of the keel 2 to the U-shaped connector 3 is accomplished by using a pair of fasteners which are passed through the U-shaped connector 3 and the keel 2 and nuts 14 are screwed to bring the stopper pieces 13 and the fixing portions 11 into close proximity to each other to clamp the U-shaped connector 3 and the keel 2.

It is not intended to be exhaustive or to limit the utility model to the precise form disclosed, and modifications and variations are possible in light of the above teachings or may be acquired from practice of the utility model. The embodiments were chosen and described in order to explain the principles of the utility model and its practical application to enable one skilled in the art to utilize the utility model in various embodiments and with various modifications as are suited to the particular use contemplated.

Claims

1. A fastener is used for fastening a keel (2) and a U-shaped connecting piece (3) along a first direction (X) perpendicular to a poured wall surface, and is characterized in that: including fixed part (11), edge pole portion (12) and the movable part that first direction (X) extends, fixed part (11) fixed connection in the one end of pole portion (12), the movable part set up in pole portion (12) with the other end that fixed part (11) is relative, just the movable part can be followed first direction (X) orientation or keep away from fixed part (11) remove, with be suitable for will between fixed part (11) and the movable part fossil fragments (2) and connecting piece (3) fastening.

2. The fastener of claim 1 wherein: the fixing portion (11) is in a strip shape extending perpendicular to the first direction (X), the strip shape is provided with a first length dimension (L1), openings (21) are formed in two sides of the keel (2), the openings (21) are provided with a first height dimension (H1), and the first length dimension (L1) is larger than the first height dimension (H1).

3. The fastener of claim 1 wherein: fixed part (11) are the perpendicular to the strip that first direction (X) extended, the strip has first width dimension (B1), fossil fragments (2) both sides have opening (21), opening (21) have first height dimension (H1), U type connecting piece (3) one side has rectangular hole (31), rectangular hole (31) have second height dimension (H2), first width dimension (B1) are less than first height dimension (H1) and second height dimension (H2).

4. The fastener of claim 1 wherein: the fixing portion (11) is in a strip shape extending perpendicular to the first direction (X), stopping portions (111) extending towards the other end of the rod portion (12) are arranged at two ends of the strip shape respectively, the U-shaped connecting piece (3) is provided with a third height dimension (H3), and the distance between the stopping portions (111) is larger than the third height dimension (H3).

5. The fastener of claim 1 wherein: the stem (12) has an external thread at least partially along the first direction (X), and the mobile part is an internal thread adapted to be screwed to the stem (12) so that it can move towards or away from the fixed part (11) along the first direction (X).

6. The fastener of claim 5 wherein: the internal thread piece comprises a stop sheet (13) and a nut (14).

7. The utility model provides a keel connecting structure, includes a pair of fossil fragments (2), a U type connecting piece (3) and at least a pair of binding (1), fossil fragments (2) both sides have opening (21), U type connecting piece (3) one side has rectangular hole (31), a pair of fossil fragments (2) are along same direction end butt joint, U type connecting piece (3) are in along the first direction (X) lock joint of perpendicular to pouring wall a pair of fossil fragments (2) end butt joint region makes rectangular hole (31) at least partially with a pair of fossil fragments (2) opening (21) coincide respectively, its characterized in that: the pair of fasteners (1) is according to any one of claims 1-6 adapted such that the pair of fasteners (1) can be passed through the elongated hole (31) and the opening (21), respectively, such that the keel (2) and the U-shaped connector (3) are fastened in a first direction (X) perpendicular to the casting wall.

8. The keel connection structure of claim 7, wherein: still include a pair of round pin (4), a pair of round pin (4) are used for along the direction of height of fossil fragments (2) will fossil fragments (2) with U type connecting piece (3) are followed the length direction of fossil fragments (2) is spacing.

9. A building template system, characterized by: comprising a keel connection according to claim 7 or 8.