CN212562444U

CN212562444U - Butt joint fastener of scaffold

Info

Publication number: CN212562444U
Application number: CN202021069836.4U
Authority: CN
Inventors: 刘晓峰; 邢彦富; 邢红军; 孙玉政; 于昌仟; 刘进
Original assignee: Yantai Heli Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Yantai Heli Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-19
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a butt joint fastener of scaffold frame, including last casing and lower casing, still include: the nut is connected with the upper shell in a clamping manner, the outer surface wall of the vertical end of the nut is movably connected with a profile rod, and the L-shaped rod is elastically connected with a U-shaped rod; the retaining ring is fixedly connected with the lower shell, and the U-shaped rod is connected with the retaining ring in a clamping manner. The utility model discloses in, in the butt joint fastener installation of scaffold frame, rotate U type pole, U type pole area rotates of nut, nut and screw rod interlock, the butt joint fastener is fixed, upset U type pole this moment, U type pole area L type pole rotates, with U type pole block on the buckle, when demolising the fastener, pull out U type pole from the buckle, it drives the nut rotation to rotate U type pole, because the nut is connected with last casing block, also prevented coming off of nut in nut pivoted, unnecessary economic loss has also been reduced when improving dismouting efficiency.

Description

Butt joint fastener of scaffold

Technical Field

The utility model relates to a connection fastener technical field of scaffold frame especially relates to a butt joint fastener of scaffold frame.

Background

The fastener generally refers to the intermediate junction part of connecting two components, is used for the fixed of the steel pipe scaffold that the external diameter is 48mm in building engineering mostly, and the fastener divide into right angle fastener (cross fastener and directional fastener), rotatory fastener (activity fastener and universal fastener), butt joint fastener (a word fastener and direct fastener) etc..

The butt joint fastener of present scaffold still exists not enoughly, and the butt joint fastener dismouting in-process of scaffold frame need carry out the dismouting of nut with the help of the instrument usually, and at the dismouting in-process, because the nut passes through threaded connection with the screw rod, the nut easily receives external factor's influence, makes the nut easily drop, has still caused unnecessary economic loss when having reduced scaffold frame dismouting efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the invention provides a butt fastener of a scaffold.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a butt joint fastener of scaffold frame, includes upper housing and lower casing, still includes:

the nut is connected with the upper shell in a clamping mode, the outer surface wall of the vertical end of the nut is movably connected with an L-shaped rod, and the L-shaped rod is elastically connected with a U-shaped rod;

the retaining ring is fixedly connected with the lower shell, and the U-shaped rod is connected with the retaining ring in a clamping mode.

As a further description of the above technical solution:

the upper surface of the upper shell is fixedly connected with a fixing rod, an annular bulge is arranged on the outer wall of the fixing rod, and the annular bulge is connected with the nut in a clamping mode through a concave groove.

As a further description of the above technical solution:

the inner cavity of the U-shaped rod is fixedly connected with a spring, and the U-shaped rod is elastically connected with the L-shaped rod through the spring.

As a further description of the above technical solution:

the inner surface walls of the upper shell and the lower shell are provided with bulges.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, in the butt joint fastener installation of scaffold frame, rotate U type pole, the rotation of U type pole area nut, nut and screw rod interlock, the butt joint fastener is fixed, upset U type pole this moment, U type pole area L type pole rotates, with U type pole block on the buckle, also prevent that the nut from receiving the influence of external factor to take place to deflect when fixed to the nut, when demolising the fastener, pull out U type pole from the buckle, U type pole and L type pole pass through spring elastic connection, L type pole receives the elasticity of spring, the shrink is in the inner chamber of U type pole, space utilization has been improved, it rotates to rotate U type pole drive nut, because the nut is connected with last casing block, also prevent droing of nut in nut pivoted, unnecessary economic loss has also been reduced when improving dismouting efficiency.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a U-shaped rod fixing structure provided according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a structure of rotation of a nut according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram illustrating the extension and retraction of an L-shaped rod according to an embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a protrusion provided according to an embodiment of the present invention.

Illustration of the drawings:

1. an upper housing; 2. a lower housing; 3. an L-shaped rod; 4. a U-shaped rod; 5. a retaining ring; 6. fixing the rod; 7. an annular projection; 8. a concave groove; 9. a nut; 10. a spring; 11. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a butt joint fastener of scaffold frame, includes upper housing 1 and lower casing 2, still includes:

the nut 9 is clamped and connected with the upper shell 1, the outer surface wall of the vertical end of the nut 9 is movably connected with an L-shaped rod 3, and the L-shaped rod 3 is elastically connected with a U-shaped rod 4;

the retaining ring 5, the retaining ring 5 and the lower shell 2 are fixedly connected, and the U-shaped rod 4 is clamped and connected with the retaining ring 5.

Specifically, as shown in fig. 1, a fixing rod 6 is fixedly connected to the upper surface of the upper housing 1, an annular protrusion 7 is disposed on the outer wall of the fixing rod 6, and the annular protrusion 7 is connected with a nut 9 in a clamping manner through a concave groove 8, so as to prevent the nut 9 from falling off due to the influence of the outside.

Specifically, as shown in fig. 4, the spring 10 is fixedly connected to the inner cavity of the U-shaped rod 4, and the U-shaped rod 4 is elastically connected to the L-shaped rod 3 through the spring 10, so that the space utilization rate is improved.

Specifically, as shown in fig. 5, the inner surface walls of the upper housing 1 and the lower housing 2 are both provided with protrusions 11, so that the fasteners are engaged with the scaffold more tightly.

The working principle is as follows: when in use, in the installation process of the butt joint fastener of the scaffold, the U-shaped rod 4 is rotated, the U-shaped rod 4 drives the nut 9 to rotate, the nut 9 is meshed with the screw rod, the butt-joint fastener is fixed, at the moment, the U-shaped rod 4 is turned over, the U-shaped rod 4 drives the L-shaped rod 3 to rotate, the U-shaped rod 4 is clamped on the retaining ring 5, the nut 9 is fixed and the nut 9 is prevented from deflecting under the influence of external factors, when the fastener is disassembled, the U-shaped rod 4 is pulled out from the retaining ring 5, the U-shaped rod 4 is elastically connected with the L-shaped rod 3 through the spring 10, the L-shaped rod 3 is contracted in the inner cavity of the U-shaped rod 4 under the elastic force of the spring 10, the space utilization rate is improved, the U-shaped rod 4 is rotated to drive the nut 9 to rotate, and the nut 9 is clamped and connected with the upper shell 1, the nut 9 is prevented from falling off while the nut 9 rotates, and unnecessary economic loss is reduced while the disassembly and assembly efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a butt joint fastener of scaffold frame, includes casing (1) and casing (2) down, its characterized in that still includes:

the nut (9) is connected with the upper shell (1) in a clamping mode, the outer surface wall of the vertical end of the nut (9) is movably connected with an L-shaped rod (3), and the L-shaped rod (3) is elastically connected with a U-shaped rod (4); the buckle (5), buckle (5) and lower casing (2) fixed connection, U type pole (4) and buckle (5) block are connected.

2. The butt fastener of a scaffold according to claim 1, wherein a fixing rod (6) is fixedly connected to the upper surface of the upper housing (1), an annular protrusion (7) is arranged on the outer surface wall of the fixing rod (6), and the annular protrusion (7) is connected with a nut (9) in a clamping manner through a concave groove (8).

3. A scaffold butt-joint fastener according to claim 1, characterized in that the inner cavity of the U-shaped rod (4) is fixedly connected with a spring (10), and the U-shaped rod (4) is elastically connected with the L-shaped rod (3) through the spring (10).

4. A scaffolding butt-joint fastener according to claim 1, characterized in that the inner surface walls of the upper and lower cases (1, 2) are provided with protrusions (11).