CN213927449U

CN213927449U - Rotary fastener

Info

Publication number: CN213927449U
Application number: CN202022396671.8U
Authority: CN
Inventors: 刘建国; 唐世荣; 姚平
Original assignee: China MCC5 Group Corp Ltd
Current assignee: China MCC5 Group Corp Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-10
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to the field of building construction, aiming at solving the problem that the stable connection between the outer side cross braces and the vertical rods is difficult to realize due to the interval between the outer side cross braces and the vertical rods of the existing steel pipe scaffold, the utility model provides a rotary fastener, which comprises two fasteners, wherein the fastener comprises a fastener seat and a fastener cover; the bottom surfaces of the fastening seats of the two fasteners are opposite at intervals, and a cushion block is arranged between the bottom surfaces of the two fastening seats; the cushion block is provided with a through hole, a rotary rivet penetrates through the through hole, and two ends of the rotary rivet are respectively and rotatably connected with the corresponding buckle seats. The beneficial effects of the utility model are that can also inject two lateral separation by the connecting steel pipe reliably on the basis that realizes the interval steel pipe connection, have and connect reliable and stable beneficial effect.

Description

Rotary fastener

Technical Field

The utility model relates to a construction field particularly, relates to a rotatory fastener.

Background

In the building construction, the bridging that leans on outer one side is owing to with the distance of having separated a steel pipe between the pole setting, leads to the bridging in the outside can't be connected with the pole setting is effectual and stable through rotatory fastener to can't reach the connection requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotating fastener to solve the interval and be difficult to realize the stable problem of connecting of outside bridging and pole setting between current steel pipe scaffold outside bridging and the pole setting.

The embodiment of the utility model is realized like this:

a rotary fastener comprises two fasteners, wherein each fastener comprises a fastener seat and a fastener cover; the bottom surfaces of the fastening seats of the two fasteners are opposite at intervals, and a cushion block is arranged between the bottom surfaces of the two fastening seats; the cushion block is provided with a through hole, a rotary rivet penetrates through the through hole, and two ends of the rotary rivet are respectively and rotatably connected with the corresponding buckle seats.

When the rotary fastener in this scheme was used, in will two spaced steel pipes buckled into two fasteners respectively each other, but through the connection of two steel pipes of the different connection angle of two rotatory fasteners adaptation. In this scheme, because the mode that sets up of cushion and rotatory rivet, can also inject the horizontal interval of two connected steel pipes reliably on the basis of realizing the interval steel pipe connection, have the reliable and stable beneficial effect of connecting.

In one embodiment:

the bottom surface of the buckle seat and the surface corresponding to the cushion block are both provided with rough pattern surfaces.

In one embodiment:

the bottom surface of the buckle seat is correspondingly attached to the two end surfaces of the cushion block or the distance between the bottom surface of the buckle seat and the two end surfaces of the cushion block is smaller than 1 mm.

In one embodiment:

the bottom surface of the buckle seat is provided with a convex part, and the outer surface of the convex part is provided with the pattern surface and corresponds to the end surface of the cushion block.

In one embodiment:

the cushion block is cylindrical, and the corresponding bulge part is cylindrical.

In one embodiment:

the buckle base is provided with a rotary matching hole, and two ends of the rotary rivet are respectively and rotatably matched in the rotary matching holes of the corresponding buckle base.

In one embodiment:

the buckling seat and the buckling cover are rotationally connected together through a rotating shaft, and the buckling cover can be opened or closed in a rotating mode relative to the buckling seat; the buckle is characterized in that a screw rod is further arranged on the buckle seat, a through hole is formed in the buckle cover, the buckle cover can rotate to penetrate through the through hole of the buckle cover, and the buckle cover is locked on the buckle seat through a nut in threaded connection with the screw rod, so that the pipe fitting is clamped.

In one embodiment:

the fasteners and the cushion block are made of malleable cast iron or cast steel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.

FIG. 1 is an elevation view of a steel pipe scaffold;

FIG. 2 is a view showing the positional relationship between lower vertical rods and outer cross brace rods of some connecting nodes;

fig. 3 is a schematic structural view of a rotating fastener according to an embodiment of the present invention;

FIG. 4 is a bottom view of the buckle base;

fig. 5 is an end view of the spacer.

Icon: the steel pipe scaffold comprises a rotary fastener 10, a fastener 11, a fastener seat 12, a fastener cover 13, a cushion block 14, a rotary rivet 15, a pattern surface 16, a boss 17, a rotary matching hole 18, a rotating shaft 19, a screw rod 20, a nut 21, a gasket 22, a steel pipe scaffold 30, a stand column 31, a cross brace outer rod 32 and a gap 33.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Examples

Referring to fig. 1 and 2, the steel pipe scaffold 30 is mainly composed of columns 31 and cross braces, and at some nodes, outer cross brace rods 32 and vertical rods need to be connected, but a space 33 exists between the two rods due to inner cross brace rods 34.

Referring to fig. 3, the present embodiment provides a rotating fastener 10, which includes two fasteners 11, where the fastener 11 includes a fastener base 12 and a fastener cover 13; the bottom surfaces of the fastening seats 12 of the two fasteners 11 are opposite at intervals, and a cushion block 14 is arranged between the bottom surfaces of the two fastening seats 12; the cushion block 14 is provided with a through hole, a rotating rivet 15 penetrates through the through hole, and two ends of the rotating rivet 15 are respectively and rotatably connected with the corresponding buckle seats 12.

When the rotary fastener 10 in this scheme is used, two steel pipes spaced from each other are respectively buckled into the two fasteners 11, and the two steel pipes with different connection angles can be connected by rotating the two fasteners 11. In this scheme, because the mode that sets up of cushion 14 and rotatory rivet 15, can also inject the horizontal interval of two connected steel pipes reliably on the basis of realizing the interval steel pipe connection, have the reliable and stable beneficial effect of connecting.

In this embodiment, the fastener 11 and the spacer 14 may be made of malleable cast iron or cast steel.

Referring to fig. 4 and 5, in the present embodiment, the bottom surface of the fastener seat 12 and the corresponding surface of the pad 14 are both provided with a rough pattern surface 16. Optionally, the base of the button holder 12 has a protrusion 17, and the outer surface of the protrusion 17 is provided with a pattern 16 and corresponds to the end surface of the pad 14. In this embodiment, optionally, the pad 14 is cylindrical, and the corresponding protrusion 17 is cylindrical. The friction between the middle cushion block 14 and the buckle base 12 can be increased by providing the pattern surface 16. Furthermore, the bottom surface of the bases 12 and the two end surfaces of the cushion block 14 are correspondingly attached or the distance between the two end surfaces is less than 1mm, so that the cushion block 14 can support the two bases 12. The arrangement of a certain distance can reduce the resistance to the relative rotation of the buckle base 12.

In this embodiment, the buckle seat 12 is provided with a rotation fitting hole 18, and both ends of the rotation rivet 15 are respectively rotatably fitted in the rotation fitting holes 18 of the corresponding buckle seat 12. The buckle seat 12 and the buckle cover 13 are rotationally connected together through a rotating shaft 19, and the buckle cover 13 can be opened or closed in a rotating mode relative to the buckle seat 12; the buckle seat 12 is further provided with a screw rod 20, the buckle cover 13 is provided with a through hole, and the buckle cover 13 can rotate to pass through the screw rod 20 through the through hole and is locked on the buckle seat 12 through a nut 21 which is connected to the screw rod 20 through threads, so that the pipe fitting can be clamped. A washer 22 may be provided under the nut.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotational fastener characterized by:

the fastener comprises two fasteners, wherein each fastener comprises a fastener seat and a fastener cover;

the bottom surfaces of the fastening seats of the two fasteners are opposite at intervals, and a cushion block is arranged between the bottom surfaces of the two fastening seats;

the cushion block is provided with a through hole, a rotary rivet penetrates through the through hole, and two ends of the rotary rivet are respectively and rotatably connected with the corresponding buckle seats.

2. The rotating fastener of claim 1, wherein:

3. The rotating fastener of claim 2, wherein:

4. The rotating fastener of claim 2, wherein:

5. The rotating fastener of claim 4, wherein:

6. The rotating fastener of claim 1, wherein:

7. The rotating fastener of claim 1, wherein:

8. The rotating fastener of claim 1, wherein: