CN218990882U - Scaffold steel pipe connecting fastener for building construction - Google Patents

Abstract

The utility model discloses a scaffold steel pipe connecting fastener for building construction, which relates to two disc fasteners which are symmetrically arranged in the technical field of connecting fasteners, wherein each disc fastener comprises a first half ring fastener; one end part of the first half ring buckle is hinged with a second half ring buckle; the other end of the first half ring buckle is hinged with a fastening screw rod; the other end of the fastening screw rod is mutually clamped and fixed with the second semi-ring buckle through a nut; the peripheral side surfaces of the two first half buckles are provided with connecting end rods; the end part of the connecting end rod is fixedly provided with a polygonal clamping head; a limiting end cylinder which is mutually spliced with the polygonal clamping head is arranged between the end parts of the two connecting end rods; a compression spring is sleeved inside the limiting end cylinder and between the two multi-side chucks. The utility model includes. According to the utility model, the two disc fasteners are mutually sleeved with the limiting end cylinder through the connecting end rod, and the polygonal clamping head at the end part of the connecting end rod and the polygonal clamping groove at the inner end part of the limiting end cylinder are mutually spliced under the action of the compression spring, so that the rotation between the two disc fasteners can be limited, and the stability is high.

Description

Scaffold steel pipe connection fastener for building construction

technical field

The utility model belongs to the technical field of connecting fasteners, in particular to a steel pipe connecting fastener for scaffolding used in building construction.

Background technique

Scaffolding is used on construction sites for exterior walls, interior decoration, or places where direct construction is too high. By using connecting buckles to connect steel pipes to form a three-dimensional shelf structure, it is convenient for construction workers to work up and down or peripheral safety nets Enclosure and high-altitude installation components, etc.

Chinese patent CN201921078909.3 discloses a "scaffold connection fastener". In its embodiment, there are two connected disk fasteners 100. The disk fastener 100 includes: a left clamp 1, one end of which protrudes to form a left connection ear 11, The left clamp 1 is provided with a left connection hole 13, and one end of the right clamp 2 protrudes to form at least one right connection ear 21, and the right connection ear 21 is provided with a pin hole 10, and the pin shaft 30 can be inserted into two The left connecting hole 13 of the left clamp 1 of the disc fastener 100, the pin shaft 30 is used to fix two adjacent disc fasteners, the left clamp 1 and the right clamp 2 are fastened together on the outside of the round pipe, and the connecting Part 3 is inserted into the pin shaft hole 10 on the left connecting ear 11 and the pin shaft hole 10 on the right connecting ear 21, and the bolt 4 is inserted into the bolt hole 20 on the left connecting part 12 and the bolt on the right connecting part 22 Hole 20, so that the left clamp 1 and the right clamp 2 are fixed on the outside of the round pipe. However, in its structure, the two disc fasteners are connected to each other through the pin shaft. For the connection of scaffold steel pipes, the stability is poor, and the two coil fasteners are used to fasten the steel pipes through bolts. Since the steel pipes are hollow structures; when the bolts It is easy to cause deformation at the end of the steel pipe during fastening, which cannot meet the needs of actual use.

Utility model content

The purpose of this utility model is to provide a steel pipe connection fastener for scaffolding used in building construction, through the first half ring buckle, the second half ring buckle, the fastening screw rod, the nut, the limit guide seat, the limit end cylinder and the compression spring Used in conjunction, the two disc fasteners are nested with each other through the connecting end rod and the limit end cylinder, and under the action of the compression spring, the polygonal chuck at the end of the connecting end rod and the polygonal clamp at the inner end of the limit end cylinder The slots are inserted into each other, and the rotation between the two disk fasteners can be limited, which solves the above-mentioned problems.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model relates to a steel pipe connection fastener for scaffolding used in building construction, comprising two disk fasteners arranged symmetrically with each other, the disk fasteners include a first half ring buckle; one end of the first half ring buckle is hinged with a second Two half buckles; the other end of the first half buckle is hinged with a fastening screw; the other end of the fastening screw is locked and fixed with the second half buckle by a nut; the first half buckle is connected to the second half buckle The limited guide seat is clamped between the inner walls of the half ring buckles; the outer peripheral sides of the two first half ring buckles are provided with connecting end rods; the ends of the connecting end rods are fixed with multilateral chucks; the ends of the two connecting end rods A position-limiting end cylinder that is plugged with the multilateral chucks is arranged between the parts; a compression spring is sleeved inside the position-limiting end cylinder and between the two multilateral chucks.

As a preferred technical solution of the present invention, one end of the first half buckle is provided with a first hinge shaft; the other end of the first half buckle is provided with a second hinge joint hinged with the end of the fastening screw. Shaft; the inner wall of the first half ring is provided with a first rectangular slot.

As a preferred technical solution of the present invention, one end of the second half buckle is provided with a first hinge seat matched with the first hinge shaft; the other end of the second half buckle is provided with a fastening screw Cooperating U-shaped ear; the surface of the U-shaped end ear away from the inner wall of the second half buckle is provided with an inner groove matching with the nut; the inner wall of the second half buckle is provided with a second rectangular slot.

As a preferred technical solution of the present invention, the position-limiting guide seat includes an end plate that fits with the inner wall of the first half buckle and the second half buckle; the outer peripheral side of the end plate is respectively provided with two The first rectangular card slot and the second rectangular card slot cooperate with the limit card block; both ends of the end plate are provided with cross end cards.

As a preferred technical solution of the present invention, both ends of the position-limiting end cylinder are open structures and are socketed with the connecting end rods; Snap-on multilateral card slots.

The utility model has the following beneficial effects:

1. The utility model is used in cooperation with the first half ring buckle, the second half ring buckle, the fastening screw rod, the nut, the limit guide seat, the limit end cylinder and the compression spring. The limiting end cylinders are nested with each other, and under the action of the compression spring, the multilateral chuck at the end of the connecting end rod and the multilateral card slot at the inner end of the limiting end cylinder are inserted into each other. The rotation between them is limited, and its stability is strong.

2. The utility model uses the first rectangular slot on the inner wall of the first half ring buckle and the second rectangular slot on the inner wall of the second half ring buckle to limit the position of the limit guide seat. The end of the steel pipe is inserted into the cross end card, and the The end of the steel pipe is protected to avoid deformation of the end of the steel pipe when the bolts are fastened, and the end of the steel pipe is supported to meet the needs of actual use.

Of course, any product implementing the present utility model does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a structural schematic diagram of a steel pipe connection fastener for scaffolding used in building construction according to the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a steel pipe connection fastener for scaffolding used in building construction.

Fig. 3 is a structural schematic diagram of the first half ring buckle.

Fig. 4 is a structural schematic diagram of the second half ring buckle.

Fig. 5 is a schematic diagram of the structure of the position-limiting guide seat.

Fig. 6 is a schematic structural view of the position-limiting end barrel.

In the accompanying drawings, the list of parts represented by each label is as follows:

1-first half ring buckle, 2-second half ring buckle, 3-fastening screw rod, 4-nut, 5-limiting guide seat, 6-limiting end cylinder, 7-compression spring, 101-connecting end rod , 102-multilateral chuck, 103-first hinge shaft, 104-second hinge shaft, 105-first rectangular slot, 201-first hinge seat, 202-U-shaped end ear, 203-inner groove, 204 - second rectangular card slot, 501 - end plate, 502 - limit card block, 503 - cross end card, 601 - multilateral card slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Specific examples:

Please refer to Fig. 1-6, the utility model is a steel pipe connecting fastener for scaffolding used in building construction, which includes two disc fasteners arranged symmetrically with each other. The disc fastener includes a first half ring buckle 1; One end of the buckle 1 is hinged with a second half buckle 2; the other end of the first half buckle 1 is hinged with a fastening screw 3; one end of the first half buckle 1 is provided with a first hinge shaft 103; the first half buckle 1 The other end is provided with the second articulated shaft 104 that is hinged with the ends of the fastening screw 3; the inner wall of the first half ring buckle 1 is provided with a first rectangular draw-in groove 105; Buckles 2 are locked and fixed to each other; one end of the second half buckle 2 is provided with a first hinge seat 201 matched with the first hinge shaft 103; the other end of the second half buckle 2 is provided with a fastening screw 3 matched U-shaped end ear 202; U-shaped end ear 202 is provided with an inner groove 203 matched with the nut 4 on a surface away from the inner wall of the second half ring buckle 2; the inner wall of the second half ring buckle 2 is provided with a second rectangular slot 204; The limit guide seat 5 is clamped between the inner wall of the first half ring buckle 1 and the second half ring buckle 2; Plate 501; the outer peripheral side of the end plate 501 is respectively provided with two limit blocks 502 which match the first rectangular slot 105 and the second rectangular slot 204; both ends of the end plate 501 are provided with cross end cards 503; The outer peripheral side of the first half ring buckle 1 is provided with a connection end bar 101; the end of the connection end bar 101 is fixedly provided with a multilateral chuck 102; The position end cylinder 6; both ends of the position limit end cylinder 6 are open structures and are socketed with the connecting end rod 101; 601 ; the compression spring 7 is sheathed inside the limiting end cylinder 6 and between the two multilateral chucks 102 .

A specific application of this embodiment is: when used for connecting the ends of steel pipes, the ends of the two sections of steel pipes are respectively sleeved in the two cross end clips 503 of the limit guide seat 5, and the first half ring buckle 1 and the second The half buckle 2 is turned over by the first hinge shaft 103 and the first hinge seat 201, the first rectangular slot 105 on the inner wall of the first half buckle 1 and the second rectangular slot 204 on the inner wall of the second half buckle 2 and The limit blocks 502 on the side of the end plate 501 are inserted into each other to fix the limit guide seat 5, and the fastening screw 3 is turned over and inserted into the U-shaped end ear 202. After the nut 4 is tightened, it is located at the U-shaped end ear. The inner groove 203 on the surface of 202 limits the nut 4 to prevent the fastening screw 3 from falling off; when it is used for connecting the middle part of the steel pipe, the limit guide seat 5 can be removed; the two first half ring buckles 1 pass through the connecting end The rod 101 and the limiting end cylinder 6 are mutually socketed, and the polygonal chuck 102 located at the end of the connecting end rod 101 is under the action of the compression spring 7 inside the limiting end cylinder 6, and the polygon at the inner end of the limiting end cylinder 6. The slots 601 are inserted into each other to prevent the two fasteners from rotating relative to each other, thereby ensuring the overall stability of the scaffold and meeting the needs of actual use.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific 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 present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details, nor do they limit the utility model to the described specific implementations. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a scaffold steel pipe connection fastener for construction, includes two dish fasteners that set up each other symmetrically, its characterized in that:

the disc fastener comprises a first half ring fastener (1); one end part of the first half ring buckle (1) is hinged with a second half ring buckle (2); the other end of the first half ring buckle (1) is hinged with a fastening screw rod (3); the other end of the fastening screw (3) is clamped and fixed with the second half ring buckle (2) through a nut (4);

a limiting guide seat (5) is clamped between the inner walls of the first half ring buckle (1) and the second half ring buckle (2);

the outer peripheral side surfaces of the two first half buckles (1) are provided with connecting end rods (101); the end part of the connecting end rod (101) is fixedly provided with a polygonal clamping head (102); a limiting end cylinder (6) which is mutually spliced with the polygonal clamping head (102) is arranged between the end parts of the two connecting end rods (101); the limiting end cylinder (6) is internally sleeved with a compression spring (7) between the two multi-side clamping heads (102).

2. The scaffold steel pipe connecting fastener for building construction according to claim 1, wherein a first hinge shaft (103) is arranged at one end of the first half ring (1); the other end of the first half ring buckle (1) is provided with a second hinge shaft (104) hinged with the end part of the fastening screw rod (3); a first rectangular clamping groove (105) is formed in the inner wall of the first half ring buckle (1).

3. The scaffold steel pipe connecting fastener for building construction according to claim 2, wherein a first hinging seat (201) matched with the first hinging shaft (103) is arranged at one end part of the second half ring fastener (2); the other end of the second half ring buckle (2) is provided with a U-shaped end lug (202) matched with the fastening screw rod (3); an inner groove (203) matched with the nut (4) is formed in one surface of the U-shaped end lug (202) far away from the inner wall of the second half ring buckle (2); a second rectangular clamping groove (204) is formed in the inner wall of the second half ring buckle (2).

4. A scaffold steel pipe connecting fastener for building construction according to claim 3, wherein the limit guide seat (5) comprises an end plate (501) which is mutually attached to the inner walls of the first half ring buckle (1) and the second half ring buckle (2); two limit clamping blocks (502) matched with the first rectangular clamping groove (105) and the second rectangular clamping groove (204) are respectively arranged on the peripheral side surface of the end plate (501); both end faces of the end plate (501) are provided with cross end clamps (503).

5. The scaffold steel pipe connecting fastener for building construction according to claim 1, wherein both ends of the limiting end cylinder (6) are of an opening structure and are sleeved with the connecting end rod (101); the inner walls of the two ends of the limiting end cylinder (6) are respectively provided with a polygonal clamping groove (601) which is mutually clamped with the polygonal clamping head (102).

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