Novel back ridge connecting bolt

Abstract

The utility model relates to the technical field of steel formworks, and discloses a novel back ridge connecting bolt which comprises a hook plate, a screw rod, a base plate and a nut, and is characterized in that the screw rod is welded at the top of the hook plate, the nut is in threaded connection with the screw rod, a through groove for the screw rod to penetrate through is formed in the top of the base plate, and the base plate is arranged on the outer side of the screw rod in a sleeved mode. According to the utility model, through the hook plate, the screw rod, the base plate and the nut, the hook plate and the screw rod are welded into a whole and are in reinforced connection with a back ridge through the base plate and the nut, one side of the hook plate is provided with the hook, and the hook plate can be matched with reinforced channel steel; the hook plate limits the position of the reinforcing channel steel, so that the reinforcing channel steel does not move any more, installation is convenient, fixing can be achieved without forming holes in the formwork, and therefore the steel formwork can be rapidly installed and fixed, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel formwork technical field, concretely is a novel back lath connecting bolt. BACKGROUND

[0002] Steel formwork is steel formwork for concrete pouring and molding, and is widely used in building engineering. Steel formwork is classified according to use, including civil construction (house building) steel formwork, bridge steel formwork and the like. Specific types include high-speed railway beam body steel formwork, high-speed railway pier column steel formwork, highway bridge formwork, port engineering and shipping steel formwork, water conservancy and hydropower steel formwork and building steel formwork and the like.

[0003] When fixing the steel formwork traditionally, it is necessary to first open a hole in the steel formwork and then fix it, which is complicated to install and is not convenient for quickly installing the steel formwork, thereby reducing installation work efficiency, so we need to propose a novel back lath connecting bolt. UTILITY MODEL CONTENTS

[0004] The utility model discloses a novel back lath connecting bolt, through the gasket, nut and screw rod and hook plate reinforcing connection, again through the hook plate one side with the hook, can cooperate with the reinforced channel steel, when the nut locks, the hook plate will limit the position of the reinforced channel steel, makes it no longer moves, to solve the problem in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A novel back lath connecting bolt, including hook plate, screw rod, gasket and nut, the top of hook plate is welded with screw rod, the nut is connected in screw rod on the screw, the top of gasket is set with the through slot of screw rod, the gasket is set on the outside of screw rod, the gasket is set below the nut, the bottom of hook plate one end is integrally formed with the hook.

[0007] Preferably, it further includes a reinforced channel steel, the reinforced channel steel is arranged in a shape of, the inner top of the reinforced channel steel is connected with the hook.

[0008] Preferably, the top of the reinforced channel steel is provided with two groups of steel formworks, the screw rod is arranged between the two groups of steel formworks, and the gasket is arranged above the two groups of steel formworks.

[0009] Preferably, a slip-resistant gasket is arranged below the gasket, and the bottom of the slip-resistant gasket is in contact with the top of the two groups of steel formworks.

[0010] Preferably, a spring gasket is arranged on the outside of the screw rod, and the spring gasket is located between the nut and the gasket.

[0011] Preferably, a straight plate is integrally formed at the other end of the hook plate, the hook plate is arranged in an inclined manner on both sides, and the hook is arranged in an L shape.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a hook plate, screw rod, backing plate, nut, wherein hook plate and screw rod weld integrative, and pass through backing plate, nut and back lath reinforcing connection, and one side of hook plate has the hook, can cooperate with the reinforced channel steel, when the nut locks, the position of reinforced channel steel is restricted to hook plate, makes it no longer moves, and the installation is convenient, need not the hole on the formwork and can be fixed, thereby can install and fix the steel mould fast, improves the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the schematic diagram of hook plate and screw rod structure of the utility model;

[0016] Fig. 3 It is the structural schematic diagram of the utility model anti -skid spacer.

[0017] In the drawing: 1, hook plate;101, hook;102, straight plate;2, screw rod;3, backing plate;4, nut;5, reinforced channel steel;6, steel mould;7, anti -skid spacer;8, spring spacer. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0020] A novel back lath connecting bolt, including hook plate 1, screw rod 2, backing plate 3 and nut 4, the top of hook plate 1 is welded with screw rod 2, nut 4 is screwed on screw rod 2, the top of backing plate 3 is provided with the through slot for the penetration of screw rod 2, backing plate 3 is set on the outside of screw rod 2, and backing plate 3 is set below nut 4, and the one end of the bottom of hook plate 1 is integrally formed with hook 101.

[0021] It further includes reinforced channel steel 5, and the reinforced channel steel 5 is arranged in a shape of a Chinese character, the inner top of the reinforced channel steel 5 is clamped with the hook 101, and the hook 101 on one side of the hook plate 1 can be matched with the reinforced channel steel 5 to play a limiting role.

[0022] The top of the reinforced channel steel 5 is provided with two groups of steel molds 6, the screw rod 2 is arranged between the two groups of steel molds 6, and the gasket plate 3 is arranged above the two groups of steel molds 6, which plays a connecting role before the steel mold 6 and the nut 4, facilitates tightening of the nut 4 to fix the steel mold 6, prevents damage caused by direct contact of the workpiece, increases the stress area, plays a supporting and protecting role.

[0023] The lower portion of the gasket plate 3 is provided with an anti-skid washer 7, the bottom of the anti-skid washer 7 is in contact with the top of the two groups of steel molds 6, which prevents the gasket plate 3 from directly contacting the steel mold 6, plays a protecting role, and also increases the friction force to prevent the gasket plate 3 from sliding when contacting the steel mold 6.

[0024] The outer side of the screw rod 2 is sleeved with a spring washer 8, the spring washer 8 is located between the nut 4 and the gasket plate 3, and facilitates disassembly of the nut 4.

[0025] The other end of the hook plate 1 is integrally formed with a straight plate 102, the two sides of the hook plate 1 are arranged in an inclined manner, and the bent hook 101 is arranged in an L-shaped manner, so that the hook plate 1 can limit the position of the reinforced channel steel 5 and prevent it from moving.

[0026] Working principle: the two groups of steel molds 6 are placed on the reinforced channel steel 5, the welded screw rod 2 and hook plate 1 are placed between the two groups of steel molds 6, the bent hook 101 on one side of the hook plate 1 is clamped in the reinforced channel steel 5, then the gasket plate 3 and the spring washer 8 are sequentially sleeved on the screw rod 2, and finally the nut 4 is tightened on the screw rod 2, the hook plate 1 limits the position of the reinforced channel steel 5 and prevents it from moving, so that the steel mold 6 can be quickly installed and fixed.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of back-lap joint bolt comprising a hook plate (1), a screw rod (2), a gasket plate (3) and a nut (4), characterized in that: The top of the hook plate (1) is welded with a screw rod (2), the nut (4) is threaded on the screw rod (2), the top of the backing plate (3) is provided with a through slot for the screw rod (2) to penetrate, the backing plate (3) is sleeved outside the screw rod (2), the backing plate (3) is arranged below the nut (4), and one end of the bottom of the hook plate (1) is integrally formed with a bent hook (101).

2. A new type of back-lap joint bolt according to claim 1, characterized in that: Further comprising a reinforcing channel steel (5), the reinforcing channel steel (5) is arranged in a type, and the inner top of the reinforcing channel steel (5) is clamped with the bent hook (101).

3. A new type of back-lap joint bolt according to claim 2, characterized in that: The top of the reinforcing channel steel (5) is provided with two groups of steel molds (6), the screw rod (2) is arranged between the two groups of steel molds (6), and the backing plate (3) is arranged above the two groups of steel molds (6).

4. A new type of back-lap joint bolt according to claim 3, characterized in that: The bottom of the backing plate (3) is provided with an anti-skid pad (7), and the top of the two groups of steel molds (6) is in contact with the bottom of the anti-skid pad (7).

5. A new type of back-lap joint bolt according to claim 1, characterized in that: The outer side of the screw rod (2) is sleeved with a spring pad (8), and the spring pad (8) is located between the nut (4) and the backing plate (3).

6. A new type of back-lap joint bolt according to claim 1, characterized in that: The other end of the hook plate (1) is integrally formed with a straight plate (102), and the two sides of the hook plate (1) are arranged in an inclined manner, and the bent hook (101) is arranged in an L-shaped manner.

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