CN106245840A

CN106245840A - A kind of overlap stable ceiling joist

Info

Publication number: CN106245840A
Application number: CN201610859996.0A
Authority: CN
Inventors: 范柏联
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-29
Filing date: 2016-09-29
Publication date: 2016-12-21

Abstract

The invention discloses and a kind of overlap stable ceiling joist, including main joist, false keel and bridge piece, the main base of described main joist is provided with several dead bolt hole, and the secondary side of the two of false keel is arranged with flanging and the crotch of varus, and bridge piece is provided with tongue and two hangers；Described main joist and the mutually orthogonal overlap joint of axis of false keel；The tongue of bridge piece and the dead bolt hole of main joist fasten and are wrapped in the major side edges of main joist, and two hangers of bridge piece are connected in flanging and the crotch of the secondary side of false keel two.The present invention uses and arranges several dead bolt hole on main joist, solve and open a grade orientation problem between false keel, bridge piece is used to connect major and minor Os Draconis so that major and minor Os Draconis overlap joint is stable firmly, secondary overlap joint is simple and easy to do, has simple in construction, easy construction and the advantage used manpower and material resources sparingly.

Description

A kind of overlap stable ceiling joist

Technical field

Invention relates to technical field of construction and decoration materials, a kind of overlaps stable ceiling joist.

Background technology

In recent years, along with developing rapidly of building industry, building and ornament materials are also constantly updating, and lightgage steel joist is exactly near One of building and ornament materials fast-developing over Nian, are widely used on office building, market and the finishing of furred ceiling at home, furred ceiling Os Draconis are that main joist, false keel overlap in " well " font, and in construction: one, the shelves of opening between main joist or false keel position Needing accurately to control, prior art is all to be measured by workmen to position enforcement ceiling construction, the problem existed It is which is not only taken a lot of work arduously, and accuracy is low, the defect of poor stability；Its two, taking between main joist and false keel Connecing and to stablize firmly, secondary overlap joint wants convenient easy, and prior art is all to use direct clamping type overlap joint, there is problems of, directly blocks Formula overlap joint bond strength little, easily break off relations, the bearing capacity causing false keel is limited, especially for upper people's Os Draconis, the most easily Degeneration, poor stability, but also there is potential safety hazard；Additionally, due to the air-conditioning arranged in modern finishing furred ceiling, fire-fighting, water power And lighting installation is various, maintenance of equipment or situation about setting up are unavoidable, and after ceiling joist is installed, partial disassembly just becomes with secondary overlap joint For certainty, there is problems of, the buckle easy fracture of direct clamping type overlap joint, just cannot realize once fracture secondary overlap joint, need to tear open Unload and change the Os Draconis of correspondence, cause the waste of manpower and materials.

Summary of the invention

It is an object of the invention to provide for the deficiencies in the prior art a kind of overlaps stable ceiling joist, the present invention Use and several dead bolt hole is set on main joist, solve grade orientation problem of opening between false keel, use at main joist with secondary Bridge piece is set between Os Draconis so that main joist is stable with false keel overlap joint firmly, secondary overlap joint is simple and easy to do, has structure letter Single, stability is strong, and firm performance increases more than half, fixed point location, easy construction and the advantage used manpower and material resources sparingly.

The concrete technical scheme realizing goal of the invention is:

A kind of overlapping stable ceiling joist, its feature includes main joist, false keel and bridge piece, and described main joist is by main base Constituting, with two major side edges, the section bar that cross section is " door " font, main base is interval with several dead bolt hole, false keel is by secondary base Constituting, with two secondary sides, the section bar that cross section is " door " font, the top of two secondary sides is arranged with flanging and the crotch of varus, takes Fitting is the stamping parts of rectangular patch, and rectangular sheet is divided into folded section, gusset section and hanger section, gusset Duan Shangyu both sides from top to bottom Limit is parallel is provided with two convex tendons, is provided with tongue between two convex tendons, hanger section be symmetrically arranged on two with two hangers, two hangers and hanging It is provided with reinforcement between the base of ear section；

Described main joist is mutually orthogonal with the axis of false keel, and false keel " door " font is opening up, main joist " door " font Open horizontal is also overlapped on false keel；Bridge piece gusset section is fitted on the main base of main joist, the tongue of bridge piece and master The dead bolt hole of Os Draconis fastens, and bridge piece folded section is wrapped in a major side edges of main joist, two hanger cards of bridge piece hanger section It is connected in flanging and the crotch of the secondary side of false keel two.

The present invention uses and arranges several dead bolt hole on main joist, solves and opens a grade orientation problem between false keel, adopts It is used between main joist and false keel and bridge piece is set so that main joist is stable with false keel overlap joint firmly, secondary overlap joint simplicity Easy, have simple in construction,

Easy construction and the advantage used manpower and material resources sparingly.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention；

Fig. 2 is that the A A of Fig. 1 is to structural representation；

Fig. 3 is the structural representation of main joist of the present invention；

Fig. 4 is the side view of Fig. 3；

Fig. 5 is the structural representation of false keel of the present invention；

Fig. 6 is the structural representation of bridge piece of the present invention；

Fig. 7 is the side view of Fig. 6.

Detailed description of the invention

Refering to Fig. 1, Fig. 2, the present invention includes main joist 1, false keel 2 and bridge piece 3；

Refering to Fig. 3, Fig. 4, described main joist 1 is made up of the cross section section bar for " door " font, main base main base and two major side edges On be interval with several dead bolt hole 11；

Refering to Fig. 5, described false keel 2 is constituted the cross section section bar for " door " font by secondary base and two secondary sides, two secondary sides Top is arranged with flanging 21 and the crotch 22 of varus；

Refering to Fig. 6, Fig. 7, described bridge piece 3 is the stamping parts of rectangular patch, and rectangular sheet is divided into folded section, gusset section from top to bottom And hanger section, gusset Duan Shangyu dual-side is parallel is provided with two convex tendons 31, is provided with tongue 32 between two convex tendons 31, hanger section It is symmetrically arranged on two with between two hangers 33, two hangers 33 and the base of hanger section and is provided with reinforcement 34；

Refering to Fig. 1, Fig. 2, described main joist 1 is mutually orthogonal with the axis of false keel 2, and false keel 2 " door " font is opening up, Main joist 1 " door " font open horizontal is also overlapped on false keel 2；Bridge piece 3 gusset section is fitted in the main base of main joist 1 On, the tongue 32 of bridge piece 3 fastens with the dead bolt hole 11 of main joist 1, and bridge piece 3 folded section is wrapped in a master of main joist 1 Bian Shang, two hangers 33 of bridge piece 3 hanger section are connected in flanging 21 and the crotch 22 of 2 liang of secondary sides of false keel.

Inventive embodiments:

Below in conjunction with the embodiment of the present invention and accompanying drawing, the present invention is further described as follows:

The installation of furred ceiling of the present invention

Refering to Fig. 1～Fig. 7, by design requirement, on the main base of main joist 1, arrange away from setting gradually number by the design of false keel 2 Individual dead bolt hole 11；By the line-spacing of main joist 1 design, main joist 1 is lifted on roof and levelling successively, by first bridge piece Two hangers 33 of 3 are connected in flanging 21 and the crotch 22 of 2 liang of secondary sides of false keel, make the axis phase of false keel 2 and main joist 1 The most orthogonal, bridge piece 3 gusset section is fitted on the main base of main joist 1, and makes the tongue 32 of bridge piece 3 penetrate main joist 1 Dead bolt hole 11 and fasten, finally bridge piece 3 folded section is wrapped in the major side edges above main joist 1；Depend on by above-mentioned steps Secondary complete second bridge piece 3 ..., until the n-th bridge piece 3 and the assembling of main joist 1, complete first false keel 2 with main The assembling of Os Draconis 1 each row node；It is sequentially completed second false keel 2 by above-mentioned steps ..., until the main dragon of nth root false keel 2 The assembling of bone 1, along with the tongue 32 of second false keel 2 bridge piece 3 penetrates the dead bolt hole 11 of main joist 1 and fastens, false keel 2 Between row limit away from by the dead bolt hole 11 of main joist 1, to this end, grade orientation problem of opening between false keel is i.e. settled a dispute by the parties concerned themselves, hang Top Os Draconis have overlapped in " well " font.

Owing to described main joist 1 is mutually orthogonal with the axis of false keel 2, and two hanger 33 clampings of bridge piece 3 hanger section In the flanging 21 and crotch 22 of 2 liang of secondary sides of false keel, bridge piece 3 gusset section is fitted on the main base of main joist 1, takes again The tongue 32 of fitting 3 and the dead bolt hole 11 of main joist 1 fasten, the folded section of bridge piece 3 is wrapped in a major side edges of main joist 1 On, this structure makes false keel 2 orthogonal laminating tight with main joist 1, and the bearing capacity of the stability of connection and false keel 2 is big Width improves.

Refering to Fig. 1, Fig. 6, Fig. 7, for improving the stability that main joist 1 is connected with false keel 2, the present invention is by bridge piece The gusset Duan Shangyu dual-side of 3 is parallel is provided with two convex tendons 31, is provided with reinforcement between two hangers 33 and the base of hanger section 34, by the setting of convex tendon 31 with reinforcement 34, enhance the rigidity of bridge piece 3 self, when the axle of main joist 1 with false keel 2 During the mutually orthogonal overlap joint of line, the stability of connection is made to be greatly improved.

Refering to Fig. 1, Fig. 6, Fig. 7, the bridge piece 3 of the present invention can independent dismounting and change, even if the tongue of false keel 2 bridge piece 3 32 fasten for more than 11 time with the dead bolt hole of main joist 1, cause the tongue 32 of bridge piece 3 to rupture, only need to be individually replaced bridge piece 3, False keel 2 or main joist 1 need not be changed, it is simple to the node overlapped ceiling joist in " well " font carries out single partial disassembly And maintenance so that ceiling joist secondary overlap joint is simple and easy to do.

Refering to Fig. 1, Fig. 3, Fig. 4, the lock spacing of tongue apertures 11 of the main base of main joist 1 of the present invention is arranged away from rule by false keel 2 The greatest common divisor of model is arranged, with meet different lines away from the demand of ceiling joist.

Claims

1. the ceiling joist that an overlap joint is stable, it is characterised in that it includes main joist (1), false keel (2) and bridge piece (3), Described main joist (1) is made up of the cross section section bar for " door " font main base and two major side edges, main base is interval with several Dead bolt hole (11), false keel (2) is constituted the cross section section bar for " door " font, the top of two secondary sides by secondary base and two secondary sides Being arranged with flanging (21) and the crotch (22) of varus, bridge piece (3) is the stamping parts of rectangular patch, and rectangular sheet divides from top to bottom For folded section, gusset section and hanger section, gusset Duan Shangyu dual-side is parallel is provided with two convex tendons (31), between two convex tendons (31) Being provided with tongue (32), being symmetrically arranged on two with between two hangers (33), two hangers (33) and the base of hanger section of hanger section is provided with Reinforcement (34)；Described main joist (1) is mutually orthogonal with the axis of false keel (2), and false keel (2) " door " font opening court On, main joist (1) " door " font open horizontal is also overlapped on false keel (2)；Bridge piece (3) gusset section is fitted in main joist (1), on main base, the tongue (32) of bridge piece (3) fastens with the dead bolt hole (11) of main joist (1), bridge piece (3) folded section Being wrapped in a major side edges of main joist (1), two hangers (33) of bridge piece (3) hanger section are connected in the secondary side of false keel (2) two In the flanging (21) on limit and crotch (22).