CN214144710U

CN214144710U - Step tightening fastener for building construction

Info

Publication number: CN214144710U
Application number: CN202023123427.0U
Authority: CN
Inventors: 刘静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-07
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a step-by-step fastening piece for building construction, which belongs to the technical field of building appliances and comprises a main clamping rod, wherein one end of the main clamping rod is provided with a U-shaped hook rod, the main clamping rod is provided with a movable clamping rod, a U-shaped opening of the hook rod is punched towards the movable clamping rod, the end part of the U-shaped opening of the hook rod is provided with a fixed part, one side of the fixed part facing the movable clamping rod is provided with a fastening plate, the side of the fixed part corresponding to the fastening plate is provided with a groove, part of the fastening plate extends into the groove, and the fastening plate can move in the direction far away from or close to the groove; the utility model discloses a mounting plate that can slightly move about on the activity kelly fixed part can make the face of mounting plate as far as with the surface contact of template to guaranteed area of contact between pin and the template, made have sufficient frictional force between pin and the grinding plate, the utility model discloses not hard up phenomenon can not appear, guaranteed the shaping effect of stand, and effectual elimination production potential safety hazard.

Description

Step tightening fastener for building construction

Technical Field

The utility model relates to a building appliances technical field, concretely relates to tight firmware of step of construction usefulness.

Background

In the construction process of a building site, an outer mold is generally needed for pouring concrete columns, so that the concrete is conveniently solidified in a pouring box body to form columns with regular properties, in the manufacturing process of the outer mold, a template is generally needed to enclose a cuboid cavity, then the periphery of the template is clamped by a fastener, the existing common fastener comprises a main clamping rod, a hook rod and a movable clamping rod, the hook rod is arranged at one end of the main clamping rod and can be in a long strip shape or a U shape, the movable clamping rod can slide along the main clamping rod, the hook rod and the movable clamping rod are respectively arranged at two ends of the template when the concrete column is used, the template is fixed by knocking the movable clamping rod, namely, the friction force between the hook rod, the movable clamping rod and the template and the friction force between the movable clamping rod and the main clamping rod are utilized, and the lever principle is utilized to realize the fixation.

In the in-service use process, because the surface of template is not level and smooth, often appear that the frictional force between pin and the template is not enough to lead to the not hard up condition of fastener, not only have serious influence to the shaping of stand, still can have certain production potential safety hazard.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of tight firmware step by step of construction usefulness through the mounting plate that can slightly move about on the movable clamping bar fixed part, can guarantee area of contact between pin and the template, makes and has sufficient frictional force between pin and the grinding plate, the not hard up phenomenon can not appear, has guaranteed the shaping effect of stand, has eliminated the production potential safety hazard.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a step-by-step fastening firmware for construction, includes main kelly, the one end of main kelly is equipped with the hooked pole of U-shaped, be equipped with on the main kelly and follow the gliding movable clamping bar of main kelly, the U-shaped mouth of hooked pole towards movable clamping bar, the tip of the U-shaped mouth of hooked pole be equipped with main kelly vertically fixed part, the fixed part towards one side of movable clamping bar is equipped with the mounting plate, the fixed part corresponds be equipped with the recess on the side of mounting plate, part the mounting plate stretches into in the recess, the mounting plate can be kept away from or be close to move in the direction of recess.

As a preferable technical solution, the width of the notch of the groove is smaller than the width of the groove inside the groove, a protrusion is arranged at a position of the fastening plate corresponding to the inside of the groove, and the width of the protrusion is larger than the width of the notch.

As a preferred technical scheme, a movable plate is arranged in the groove, a spring is arranged between the movable plate and the bottom of the groove, and the protrusion is abutted to the movable plate.

As a preferred technical scheme, one end of the groove is provided with a positioning bolt for positioning the fastening plate.

As a preferable technical scheme, a rubber layer is arranged on the side surface of the fastening plate facing the movable clamping rod.

As a preferable technical solution, the movable clamping rod is also formed into a U shape, an end of a U-shaped opening of the movable clamping rod is provided with a secondary fixing portion perpendicular to the main clamping rod, and one side of the secondary fixing portion facing the hook rod is provided with a secondary fastening plate.

The utility model has the advantages of that:

the utility model discloses a mounting plate that can slightly move about on the movable clamping bar fixed part can make the face of mounting plate as far as with the surface contact of template to guaranteed area of contact between pin and the template, made have sufficient frictional force between pin and the grinding plate, the utility model discloses not hard up phenomenon can not appear, guaranteed the shaping effect of stand, and effectual elimination production potential safety hazard.

Drawings

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

fig. 2 is a cross-sectional view of the fixing portion of the present invention.

In the figure: 1-hook rod, 2-fixed part, 3-positioning bolt, 4-fastening plate, 5-secondary fastening plate, 6-secondary fixed part, 7-movable clamping rod, 8-main clamping rod, 9-rubber layer, 10-movable plate and 11-spring.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a step-by-step fastening member for building construction, which includes a main clamping bar 8, a U-shaped hook bar 1 is disposed at one end of the main clamping bar 8, a movable clamping bar 7 capable of sliding along the main clamping bar 8 is disposed on the main clamping bar 8, and the fixing of a formwork can be realized by respectively disposing the hook bar 1 and the movable clamping bar 7 at two sides of the formwork and clamping the same; the U-shaped opening of the hook rod 1 is punched towards the movable clamping rod 7, the end part of the U-shaped opening of the hook rod 1 is provided with a fixing part 2 vertical to the main clamping rod 8, one side of the fixing part 2 facing the movable clamping rod 7 is provided with a fastening plate 4, and the surface of the fastening plate 4 can be tightly attached to the surface of the template in the clamping process; the side surface of the fixing part 2 corresponding to the fastening plate 4 is provided with a groove, and part of the fastening plate 4 extends into the groove, so that the fastening plate 4 can be movably fixed in the groove; the fastening plate 4 can move in the direction of keeping away from or being close to the recess for in the clamping process, the fastening plate 4 can move under the effect of external force, until the 4 surfaces of fastening plate closely laminate with the surface of template and reach the stress balance position, guaranteed the frictional force between fastening plate 4 and the template.

Further, the width of the notch of recess is less than the inside groove width of recess, and the inside position department that mounting plate 4 corresponds the recess is equipped with the arch, and bellied width is greater than the width of notch, and the one end of recess link up fixed part 2, and mounting plate 4 can follow this link up and insert in the recess to fix in the recess through protruding slip.

Further, a movable plate 10 is arranged in the groove, a spring 11 is arranged between the movable plate 10 and the bottom of the groove, the protrusion abuts against the movable plate 10, the movable plate 10 can apply certain elastic force to the protrusion, and the fastening plate 4 is promoted to move to realize stress balance.

Further, the one end of recess is equipped with positioning bolt 3 of location mounting plate 4, and positioning bolt 3 is located the through mouth department of recess, and after putting into mounting plate 4, it can be spacing and fixed mounting plate 4 to screw up positioning bolt 3.

Furthermore, the side surface of the fastening plate 4 facing the movable clamping rod 7 is provided with a rubber layer 9, and the rubber layer 9 can further improve the friction force between the fastening plate 4 and the template.

Furthermore, the movable clamping rod 7 is also designed to be U-shaped, a secondary fixing part 6 perpendicular to the main clamping rod 8 is arranged at the end part of a U-shaped opening of the movable clamping rod 7, a secondary fastening plate 5 is arranged on one side, facing the hook rod 1, of the secondary fixing part 6, and the movable clamping rod 7 is also identical to the fastening plate 4 in structure, so that the friction force between the movable clamping rod 7 and a template can be increased, and the clamping effect is improved.

The utility model discloses the same with the application method of traditional fastener for building, but, through the utility model discloses a mounting plate 4 that can slightly move about on 7 fixed parts 2 of activity clamping bar can make the face of mounting plate 4 as far as with the surface contact of template to guaranteed the area of contact between collude pole 1 and the template, made have sufficient frictional force between collude pole 1 and the grinding plate, the utility model discloses not hard up phenomenon can not appear, the shaping effect of stand has been guaranteed to effectual production potential safety hazard of having eliminated

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a step-by-step fastening firmware for construction, characterized by, includes main kelly, the one end of main kelly is equipped with the hooked pole of U-shaped, be equipped with on the main kelly and follow the gliding movable clamping bar of main kelly, the U-shaped mouth of hooked pole towards the movable clamping bar, the tip of the U-shaped mouth of hooked pole be equipped with main kelly vertically fixed part, the fixed part towards one side of movable clamping bar is equipped with the mounting plate, the fixed part corresponds be equipped with the recess on the side of mounting plate, part the mounting plate stretches into in the recess, the mounting plate can be kept away from or be close to move in the direction of recess.

2. The step tightening fastener for building construction according to claim 1, wherein the width of the notch of the groove is smaller than the width of the groove inside the groove, and the fastening plate is provided with a projection at a position corresponding to the inside of the groove, the projection having a width larger than the width of the notch.

3. The step tightening fastener for building construction as claimed in claim 2, wherein a movable plate is provided in the recess, a spring is provided between the movable plate and the bottom of the recess, and the protrusion abuts against the movable plate.

4. The step-tightening fastener for building construction according to claim 1, wherein a positioning bolt for positioning the fastening plate is provided at one end of the recess.

5. The step fastener for building construction as claimed in claim 1, wherein a rubber layer is provided on a side of said fastening plate facing said movable clamping bar.

6. The step tightening fastener for building construction according to claim 1, wherein the movable clamping bar is also formed in a U-shape, a secondary fixing portion perpendicular to the main fastening bar is provided at an end of the U-shaped opening of the movable clamping bar, and a secondary fastening plate is provided at a side of the secondary fixing portion facing the hooking bar.