CN218990882U

CN218990882U - Scaffold steel pipe connecting fastener for building construction

Info

Publication number: CN218990882U
Application number: CN202223008823.8U
Authority: CN
Inventors: 王子翼
Original assignee: Jiaxing Mingde Property Management Co ltd
Current assignee: Jiaxing Mingde Property Management Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-09
Anticipated expiration: 2032-11-11

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 connecting fastener for building construction

Technical Field

The utility model belongs to the technical field of connecting fasteners, and particularly relates to a scaffold steel pipe connecting fastener for building construction.

Background

The scaffold is used on the building site in places where the outer wall, the interior decoration or the storey height is higher and cannot be directly constructed, and a three-dimensional scaffold structure is formed by connecting and bridging steel pipes through connecting buckles, so that constructors can conveniently go up and down, live or peripheral safety net enclosure, high-altitude installation components and the like.

Chinese patent CN201921078909.3 discloses a "scaffold connecting fastener", in which two connected disc fasteners 100 are provided, the disc fastener 100 comprises: the left clamp 1, its one end is protruding to stretch and is formed left engaging lug 11, left connecting hole 13 has been seted up on the left clamp 1, right clamp 2, at least one right engaging lug 21 has been seted up to its one end is protruding to stretch, pin shaft hole 10 has been seted up on the right engaging lug 21, the left engaging hole 13 of left clamp 1 of two dish fasteners 100 can be inserted to the round pin axle 30, the round pin axle 30 is used for fixed two adjacent dish fasteners, left clamp 1, right clamp 2 lock in the outside of pipe together, insert the round pin shaft hole 10 on left engaging lug 11 with connecting piece 3 and the round pin axle hole 10 on right engaging lug 21, insert bolt 4 and locate the bolt hole 20 on left connecting portion 12 and the bolt hole 20 on right connecting portion 22, thereby fix left clamp 1 and right clamp 2 outside the pipe. However, in the structure, the two disc fasteners are connected with each other in a rotating way through the pin shaft, so that the stability of the connection of the scaffold steel pipes is poor, and the two disc fasteners fasten the steel pipes through bolts, and the steel pipes are of hollow structures; when the bolts are fastened, the end parts of the steel pipes are easy to deform, and the actual use requirement cannot be met.

Disclosure of Invention

The utility model aims to provide a scaffold steel pipe connecting fastener for building construction, which is characterized in that through the cooperation of a first half ring buckle, a second half ring buckle, a fastening screw, a nut, a limiting guide seat, a limiting end cylinder and a compression spring, two disc fasteners are mutually sleeved with the limiting end cylinder through a connecting end rod, and under the action of the compression spring, a polygonal clamping head at the end part of the connecting end rod is mutually spliced with a polygonal clamping groove at the inner end part of the limiting end cylinder, so that the rotation between the two disc fasteners can be limited, and the problems are solved.

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

the utility model relates to a scaffold steel pipe connecting fastener for building construction, which comprises two disc fasteners which are symmetrically arranged, 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; a limiting guide seat is clamped between the inner walls of the first half ring buckle and the second half ring buckle; 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; and a compression spring is sleeved inside the limiting end cylinder and between the two multi-side clamping heads.

As a preferable technical scheme of the utility model, one end part of the first half ring buckle is provided with a first hinge shaft; the other end of the first half ring buckle is provided with a second hinge shaft which is hinged with the end part of the fastening screw rod; the inner wall of the first half ring buckle is provided with a first rectangular clamping groove.

As a preferable technical scheme of the utility model, one end part of the second semi-ring buckle is provided with a first hinging seat matched with the first hinging shaft; the other end of the second semi-ring buckle is provided with a U-shaped end lug matched with the fastening screw rod; an inner groove matched with the nut is formed in one surface of the U-shaped end lug, which is far away from the inner wall of the second semi-ring buckle; the inner wall of the second semi-ring buckle is provided with a second rectangular clamping groove.

As a preferable technical scheme of the utility model, the limit guide seat comprises an end plate which is mutually attached to the inner walls of the first half ring buckle and the second half ring buckle; two limit clamping blocks matched with the first rectangular clamping groove and the second rectangular clamping groove are respectively arranged on the peripheral side surface of the end plate; and cross end clamps are arranged on two end surfaces of the end plate.

As a preferable technical scheme of the utility model, both ends of the limiting end cylinder are of an opening structure and are sleeved with the connecting end rod; the inner walls of the two ends of the limiting end cylinder are respectively provided with a polygonal clamping groove which is mutually clamped with the polygonal clamping head.

The utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the first half ring buckle, the second half ring buckle, the fastening screw, the nut, the limiting guide seat, the limiting end barrel and the compression spring, the two disc fasteners are mutually sleeved with the limiting end barrel through the connecting end rod, and the polygonal clamping head at the end part of the connecting end rod is mutually spliced with the polygonal clamping groove at the inner end part of the limiting end barrel under the action of the compression spring, so that the rotation between the two disc fasteners can be limited, and the stability is higher.

2. According to the utility model, the limiting guide seat is limited through the first rectangular clamping groove of the inner wall of the first half ring buckle and the second rectangular clamping groove of the inner wall of the second half ring buckle, the end part of the steel pipe is inserted into the cross end clamp to protect the end part of the steel pipe, deformation of the end part of the steel pipe caused by fastening of a bolt is avoided, and the end part of the steel pipe is supported, so that the requirement of actual use is met.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a scaffold steel pipe connecting fastener for building construction.

Fig. 2 is a schematic cross-sectional view of a scaffold steel pipe connecting fastener for construction.

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

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

Fig. 5 is a schematic structural view of the limiting guide.

Fig. 6 is a schematic structural view of the limiting end cylinder.

In the drawings, the list of components represented by the various numbers is as follows:

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

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples:

referring to fig. 1-6, the utility model relates to a scaffold steel pipe connecting fastener for building construction, which comprises two disc fasteners symmetrically arranged with each other, wherein each 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 3; 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 hinging shaft 104 which is mutually hinged with the end part of the fastening screw 3; the inner wall of the first half ring buckle 1 is provided with a first rectangular clamping groove 105; the other end of the fastening screw 3 is mutually clamped and fixed with the second half ring buckle 2 through a nut 4; a first hinging seat 201 matched with the first hinging shaft 103 is arranged at one end part of the second half-ring buckle 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 3; an inner groove 203 matched with the nut 4 is formed on one surface of the U-shaped end lug 202 far away from the inner wall of the second half ring fastener 2; a second rectangular clamping groove 204 is formed in the inner wall of the second half ring fastener 2; 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 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; cross end clamps 503 are arranged on both end faces of the end plate 501; 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; both end parts 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; the limiting end cylinder 6 is internally sleeved with a compression spring 7 between the two polygonal chucks 102.

One specific application of this embodiment is: when the two sections of steel pipe ends are connected, the two sections of steel pipe ends are respectively sleeved in two cross end clamps 503 of a limiting guide seat 5, a first half ring buckle 1 and a second half ring buckle 2 are mutually turned over through a first hinge shaft 103 and a first hinge seat 201, a first rectangular clamping groove 105 positioned on the inner wall of the first half ring buckle 1 and a second rectangular clamping groove 204 positioned on the inner wall of the second half ring buckle 2 are mutually inserted into a limiting clamping block 502 on the peripheral side surface of an end plate 501, the limiting guide seat 5 is fixed, a fastening screw 3 is turned over and inserted into a U-shaped end lug 202, and after a nut 4 is screwed, an inner groove 203 positioned on the surface of the U-shaped end lug 202 limits the nut 4, so that the fastening screw 3 is prevented from falling off; when the limiting guide seat 5 is used for connecting the middle parts of the steel pipes, the limiting guide seat 5 is taken down; the two first half buckles 1 are mutually sleeved with the limiting end cylinder 6 through the connecting end rod 101, and the polygonal clamping head 102 positioned at the end part of the connecting end rod 101 is mutually spliced with the polygonal clamping groove 601 at the inner end part of the limiting end cylinder 6 under the action of the compression spring 7 in the limiting end cylinder 6, so that the relative rotation of the two disc fasteners is avoided, the overall stability of the scaffold is ensured, and the requirement of actual use is met.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

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).