CN111910907A

CN111910907A - Buckle lock connecting piece for scaffold

Info

Publication number: CN111910907A
Application number: CN202010813406.7A
Authority: CN
Inventors: 潘李林; 王宏桥; 李庆霞
Original assignee: Jieshou Shenjihe Automation Technology Co ltd
Current assignee: Anhui Aoniao Information Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-10
Anticipated expiration: 2040-08-13
Also published as: CN111910907B

Abstract

The invention discloses a padlock connecting piece for a scaffold, and relates to the technical field of scaffold building. The invention comprises a connecting piece, a locking piece, a horizontal pull pipe and a vertical pull pipe, wherein vertical pull pipe sleeves are arranged on the front end surface and the rear end surface of the connecting piece, and horizontal pull pipe sleeves are arranged on the other end surfaces of the connecting piece; the bottom of each horizontal pull pipe sleeve is fixed with a lock catch; the upper surface of the locking fastener is provided with a pair of hinged supports; both hinged supports are hinged with a lock catch; the bottom of the lock catch is provided with a limiting plate; connecting rods are arranged at two ends of the horizontal pulling pipe; one end of the connecting rod is provided with a limiting column; and cross-shaped limiting columns are arranged at the two ends of the vertical pull tube. According to the invention, the lock catch piece is arranged in each horizontal pull pipe sleeve, the horizontal pull pipes are inserted into the four horizontal pull pipe sleeves of the connecting piece, the vertical pull pipes are inserted into the vertical pull pipe sleeves, and the lock catch pieces are used for fixing the horizontal pull pipes and the vertical pull pipes, so that the installation steps of the scaffold are simplified, the scaffold is convenient to disassemble and assemble, and the safety coefficient of the scaffold is improved.

Description

Buckle lock connecting piece for scaffold

Technical Field

The invention belongs to the technical field of scaffold construction, and particularly relates to a buckle connecting piece for a scaffold.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The scaffold is generally formed by temporarily erecting, and the upright posts and the horizontal pull pipes are fixedly installed through bolts, so that the scaffold is convenient to disassemble and assemble and transport; however, during installation, the bolt needs to be screwed down by using a tool, during disassembly, the bolt still needs to be unscrewed by using the tool, the use is very inconvenient, time and labor are wasted, parts are too many and are easy to lose, the scaffold is used for being temporarily erected on a construction site, the site construction is directly influenced, and meanwhile, after the scaffold is used for a long time, the bolt is screwed down by using the nut, the bolt is easy to loosen, and the safety factor needs to be improved.

Disclosure of Invention

The invention aims to provide a buckle connecting piece for a scaffold, which solves the problems of excessive scaffold parts, troublesome disassembly and assembly and easy loosening of nuts and bolts by installing a buckle piece in each horizontal pull pipe sleeve, inserting a horizontal pull pipe in four horizontal pull pipe sleeves and inserting a vertical pull pipe in a vertical pull pipe sleeve of the connecting piece, fixing the horizontal pull pipes and fixing the vertical pull pipes by utilizing the buckle pieces and using a fixing cylinder.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a buckle connecting piece for a scaffold, which comprises a connecting piece, a locking piece, a horizontal pull pipe and a vertical pull pipe, wherein the connecting piece is a square box body; vertical pull pipe sleeves are arranged on the front end face and the rear end face of the cube box body; the other end faces of the square box body are provided with horizontal pull pipe sleeves; the bottom of each horizontal pull pipe sleeve is fixed with a lock catch; the lock catch piece is a frame body; the upper surface of the lock catch piece is provided with a pair of hinged supports; both the two hinged supports are hinged with a lock catch; the bottom of the lock catch is provided with a limiting plate; one side of the bottom of the lock catch is provided with a convex column; the convex columns of the two lock catches are connected through a spring; connecting rods are arranged at two ends of the horizontal pulling pipe; one end of the connecting rod is provided with a limiting column; and cross-shaped limiting columns are arranged at the two ends of the vertical pull pipe.

Further, a first external thread is arranged on the outer surface of the vertical pulling pipe sleeve; the outer surfaces of the left end and the right end of the vertical pull pipe are provided with second external threads; a fixed cylinder is movably sleeved on the vertical pull pipe; the inner surface of the fixed cylinder is provided with an internal thread; the internal thread is respectively matched with the first external thread of the vertical pull pipe sleeve and the second external thread of the vertical pull pipe.

Furthermore, the cross section of the lock catch is comma-shaped; one side of each lock catch opposite to the corresponding lock catch is provided with a semicircular groove; the two semicircular grooves are matched with the limiting columns to form limiting; the top end of the lock catch is an inclined plane.

Further, under the normal state of the spring of the lock catch, the two limiting plates are parallel to each other, and the distance between the two limiting plates is the same as the width of one side arm of the cross-shaped limiting column.

Furthermore, the horizontal pulling pipe is inserted into the horizontal pulling pipe sleeve; the vertical pull pipe is inserted in the vertical pull pipe sleeve; the limiting column of the horizontal pulling pipe is matched with the locking piece; the cross-shaped limiting column of the vertical pull tube is matched with the limiting plate.

The invention has the following beneficial effects:

according to the invention, the lock catch piece is arranged in each horizontal pull pipe sleeve, the horizontal pull pipes are inserted into the four horizontal pull pipe sleeves of the connecting piece, and the limit is formed by the mutual matching of the limit columns at one end of the horizontal pull pipes and the lock catch pieces, so that the installation of the horizontal pull pipes can be completed; inserting vertical pull tubes into the two vertical pull tube sleeves, and utilizing cross-shaped limiting columns at one ends of the vertical pull tubes to form limiting with limiting plates so as to prevent the horizontal pull tubes from being pulled out; and the vertical pull pipe is sleeved on the fixed cylinder and matched with the vertical pull pipe sleeve, so that the vertical pull pipe is prevented from being pulled out, the mounting steps of the scaffold are simplified, the scaffold is convenient to mount and dismount, and the safety coefficient of the scaffold is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a locking connector for a scaffold according to the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of a connector structure;

fig. 6 is a schematic view of the fastener structure;

FIG. 7 is a schematic view of a horizontal pull tube configuration;

FIG. 8 is a schematic view of a riser configuration;

fig. 9 is a schematic view of the structure of the locking member and the plain tube;

in the drawings, the components represented by the respective reference numerals are listed below:

1-connecting piece, 2-locking piece, 3-horizontal pulling pipe, 4-vertical pulling pipe, 5-vertical pulling pipe sleeve, 6-horizontal pulling pipe sleeve, 201-hinged support, 202-locking piece, 203-limiting plate, 204-convex column, 205-spring, 301-connecting rod, 302-limiting column, 401-cross-shaped limiting column, 402-fixing cylinder, 403-second external thread and 501-first external thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention is a locking connector for scaffolding, which comprises a connector 1, a locking member 2, a horizontal pulling pipe 3 and a vertical pulling pipe 4,

the connecting piece 1 is a square box body; vertical pull pipe sleeves 5 are arranged on the front end face and the rear end face of the square box body; the other four end surfaces of the square box body are provided with horizontal drawing pipe sleeves 6; the bottom of each horizontal pull pipe sleeve 6 is fixed with a lock catch piece 2;

the locking fastener 2 is a frame body; the upper surface of the locking element 2 is provided with a pair of hinged supports 201, and the hinged supports 201 are concave plates; the two hinged bases 201 are both hinged with a lock catch 202 through a rotating shaft; the bottom of the lock catch 202 is provided with a limit plate 203; one side of the bottom of the lock catch 202 is provided with a convex column 204; the convex columns 204 of the two lock catches 202 are connected through a spring 205;

the two ends of the horizontal pulling pipe 3 are both provided with connecting rods 301; one end of the connecting rod 301 is provided with a limiting column 302;

the two ends of the vertical pull tube 4 are both provided with cross-shaped limiting columns 401.

Wherein, the outer surface of the vertical pipe sleeve 5 is provided with a first external thread 501; the outer surfaces of the left end and the right end of the vertical pull tube 4 are provided with second external threads 403; a fixed cylinder 402 is movably sleeved on the vertical pull tube 4; the inner surface of the fixed cylinder 402 is provided with internal threads; the internal thread is respectively matched with the first external thread 501 of the vertical pulling pipe sleeve 5 and the second external thread 403 of the vertical pulling pipe 4, so that the vertical pulling pipe 4 is prevented from being pulled out.

Wherein, the cross section of the lock catch 202 is comma-shaped; one side of the two lock catches 202 opposite to each other is provided with a semicircular groove; the two semicircular grooves are matched with the limiting column 302 to form limiting, so that the flat pull pipe is prevented from being pulled out; the top of the latch 202 is a bevel, which is used to facilitate the insertion of the position-limiting post 302 into the two semicircular grooves.

Wherein, the spring 205 of hasp 202 is under normal condition, and two limiting plate 203 are parallel to each other and the distance between two limiting plate 203 is the same with the width of one side arm of cross spacing post 401, when taking out or inserting from hasp 202, all need open hasp 202, then can make two limiting plate 302 inwards extrude like this, and when the joint was accomplished or was taken out from the completion, hasp 202 under the effect of spring 205 elasticity, can directly resume into the parallel state of two limiting plate 203.

Wherein, the horizontal drawing pipe 3 is inserted in the horizontal drawing pipe sleeve 6; the vertical pull pipe 4 is inserted in the vertical pull pipe sleeve 5; the limiting column 302 of the horizontal pulling pipe 3 is matched with the locking piece 2; the cross-shaped limiting columns 401 and the limiting plates 203 of the vertical pull tubes 4 are matched with each other, the two limiting plates 302 can be extruded inwards due to the fact that the lock catches 202 are opened, side arms of the cross-shaped limiting columns 401 can be inserted between the two limiting plates 203, the two limiting plates 203 are prevented from moving inwards, therefore, the four lock catches 202 are locked through the cross-shaped limiting columns 401, and the four horizontal pull tubes 3 can be locked in the horizontal pull tube sleeves 6; after the vertical pulling pipe 3 is inserted into the vertical pulling pipe sleeve 5, the vertical pulling pipe 3 is fixed in the vertical pulling pipe sleeve 5 through the fixing cylinder 402 sleeved on the vertical pulling pipe 3.

One specific application of this embodiment is:

when the scaffold is assembled in a construction site, a corresponding number of horizontal pulling pipes are inserted into the four horizontal pulling pipe sleeves according to actual needs, the limiting column at one end of each horizontal pulling pipe is inserted between the two lock catches, the limiting column enters the semicircular groove along the inclined plane at the top end of each lock catch and is clamped between the two semicircular grooves to form limiting, and the two limiting plates are parallel to each other under the action of elastic force of the springs; when the vertical pull rod is inserted into the vertical pull pipe sleeve of the connecting piece according to actual needs, the side arm of the cross-shaped limiting column of the vertical pull rod can be inserted between the two limiting plates to prevent the two limiting plates from moving inwards, so that the four lock catches are locked by the cross-shaped limiting column, and the four horizontal pull pipes can be locked in the horizontal pull pipe sleeve; after the vertical pull pipe is inserted into the vertical pull pipe sleeve, the vertical pull pipe is fixed in the vertical pull pipe sleeve by utilizing the mutual matching of the threads of the fixed cylinder and the threads of the vertical pull pipe through the fixed cylinder sleeved on the vertical pull pipe.

When carrying out the dismantlement of scaffold frame in the building site, rotate earlier the solid fixed cylinder, pull down the solid fixed cylinder from founding the pipe box, take out the spacing post of cross that will found the trombone slide from the back, can take out remaining four flat trombone slides and remove.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a padlock connecting piece for scaffold frame, includes connecting piece (1), hasp piece (2), flat stay tube (3) and found stay tube (4), its characterized in that:

the connecting piece (1) is a square box body; vertical pull pipe sleeves (5) are arranged on the front end face and the rear end face of the square box body; the other end faces of the square box body are provided with horizontal drawing pipe sleeves (6); the bottom of each horizontal pulling pipe sleeve (6) is fixed with a lock catch piece (2);

the lock catch piece (2) is a frame body; the upper surface of the locking fastener (2) is provided with a pair of hinged supports (201); both the hinged supports (201) are hinged with a lock catch (202); a limiting plate (203) is arranged at the bottom of the lock catch (202); one side of the bottom of the lock catch (202) is provided with a convex column (204); the convex columns (204) of the two lock catches (202) are connected through a spring (205);

both ends of the horizontal pulling pipe (3) are provided with connecting rods (301); one end of the connecting rod (301) is provided with a limiting column (302);

and cross-shaped limiting columns (401) are arranged at two ends of the vertical pull tube (4).

2. A snap-lock connection for scaffolding according to claim 1, characterised in that the riser sleeve (5) is provided with a first external thread (501) on its outer surface;

the outer surfaces of the left end and the right end of the vertical pull pipe (4) are provided with second external threads (403); a fixed cylinder (402) is movably sleeved on the vertical pull tube (4); the inner surface of the fixed cylinder (402) is provided with internal threads;

the internal threads are respectively matched with the first external threads (501) of the vertical pulling pipe sleeve (5) and the second external threads (403) of the vertical pulling pipe (4).

3. A coupler lock connection for scaffolding according to claim 1, wherein the lock (202) is comma-shaped in cross-section; one side of each of the two lock catches (202) opposite to each other is provided with a semicircular groove; the two semicircular grooves are matched with the limiting column (302) to form limiting.

4. A coupler according to claim 3, wherein the top of the coupler (202) is a bevel.

5. A coupler according to claim 1 or 3, wherein the spring (205) of the coupler (202) is normal, the two limiting plates (203) are parallel to each other and the distance between the two limiting plates (203) is the same as the width of one side arm of the cross-shaped limiting post (401).

6. A snap-lock connection for scaffolding according to claim 1, characterized in that the plain tube (3) is plugged inside a plain tube sleeve (6); the limiting column (302) of the flat pull pipe (3) is matched with the locking piece (2).

7. A coupler according to claim 6, characterized in that the riser (4) is inserted inside the riser sleeve (5); the cross-shaped limiting column (401) of the vertical pull tube (4) is matched with the limiting plate (203).