阅读说明：本技术 轻钢龙骨石膏板吊顶结构及其施工工艺 (Light steel keel gypsum board suspended ceiling structure and construction process thereof ) 是由 彭苏诺 彭志远 于 2021-10-18 设计创作，主要内容包括：本申请涉及房屋建筑的领域,尤其是涉及一种轻钢龙骨石膏板吊顶结构及其施工工艺,一种轻钢龙骨石膏板吊顶结构包括轻钢副龙骨、轻钢承托骨以及石膏板材；轻钢承托骨预制于轻钢副龙骨的外表面；轻钢承托骨与轻钢副龙骨的外表面之间留有插接缝；插接缝供石膏板材插接；轻钢副龙骨和轻钢承托骨相对的表面均供石膏板材抵接。本申请具有降低施工人员持续托举石膏板材的劳动强度,减轻施工人员安装吊顶的劳动强度的效果。(The application relates to the field of house construction, in particular to a light steel keel gypsum board suspended ceiling structure and a construction process thereof, wherein the light steel keel gypsum board suspended ceiling structure comprises a light steel auxiliary keel, a light steel bearing bone and a gypsum board; the light steel bearing bone is prefabricated on the outer surface of the light steel auxiliary keel; a splicing seam is reserved between the light steel bearing bone and the outer surface of the light steel auxiliary keel; the inserting joint is used for inserting the gypsum board; the opposite surfaces of the light steel auxiliary keel and the light steel bearing bone are used for the abutment of the gypsum board. This application has the intensity of labour who reduces constructor and continuously lifts gypsum board, alleviates constructor installation furred ceiling's intensity of labour's effect.)

1. The utility model provides a light gauge steel gypsum board furred ceiling structure which characterized in that: comprises a light steel auxiliary keel (1), a light steel bearing bone (2) and a gypsum plate (3); the light steel bearing bone (2) is prefabricated on the outer surface of the light steel auxiliary keel (1); a splicing seam (4) is reserved between the light steel bearing bone (2) and the outer surface of the light steel auxiliary keel (1); the inserting joint (4) is used for inserting the gypsum board (3); the opposite surfaces of the light steel auxiliary keel (1) and the light steel bearing bone (2) are used for the abutment of the gypsum board (3).

2. The light gauge steel gypsum board ceiling structure of claim 1, wherein: the outer surface of the light steel auxiliary keel (1) is provided with a mounting groove (13); telescopic grooves (14) are formed in the inner side walls of the mounting grooves (13); the light steel bearing bone (2) is fixedly provided with two elastic sheets (23); a gap is reserved between the two elastic sheets (23); the two elastic pieces (23) respectively correspond to the opposite side walls of the mounting groove (13); a bending part (231) is arranged on one side of the elastic sheet (23) far away from the light steel bearing bone (2); the surface of the elastic sheet (23) is used for abutting against the side wall of the gypsum board (3); the telescopic groove (14) is used for moving in and placing the bending part (231); a space for the elastic sheet (23) to elastically bend is reserved in the mounting groove (13); a notch of the telescopic groove (14) is provided with a barrier strip (15); the barrier strip (15) is used for limiting the bending part (231) to move out of the telescopic groove (14).

3. The light gauge steel gypsum board ceiling structure of claim 2, wherein: the telescopic groove (14) is provided with a space for the bending part (231) to move in the telescopic groove (14) along the width direction of the light steel auxiliary keel (1).

4. A light gauge steel drywall ceiling construction as set forth in claim 2 or claim 3, wherein: the bending part (231) is provided with a sound attenuation layer (7); the inner wall of the telescopic groove (14) is abutted by the sound attenuation layer (7).

5. A light gauge steel drywall ceiling construction according to any one of claims 1 to 3, wherein: at least two screw rods (21) are fixedly arranged on the surface of the light steel bearing bone (2); at least two through holes (12) are formed in the surface of the light steel auxiliary keel (1) in a penetrating mode; the through hole (12) is used for the screw rod (21) to pass through; the screw rod (21) is in threaded connection with a nut (211); the screw rod (21) is limited by the nut (211) to be separated from the light steel auxiliary keel (1).

6. The light gauge steel gypsum board ceiling structure of claim 5, wherein: the surface of the light steel auxiliary keel (1) departing from the light steel bearing bone (2) is provided with a groove (11); the through hole (12) penetrates through the bottom of the groove (11); an elastic arch sheet (5) is arranged in the groove (11); two sides of the elastic arch sheet (5) which are far away from each other are respectively fixedly connected with the inner wall opposite to the groove (11); the highest point of the horizontal position of the elastic arched sheet (5) is positioned on the central line of the perforation (12); the surface of the elastic arch sheet (5) is provided with at least two limiting holes (51) in a penetrating way; at least two limiting holes (51) correspond to at least two through holes (12) one by one; the limiting hole (51) is opposite to the through hole (12); the limiting hole (51) is used for the screw rod (21) to pass through; the surface of the elastic arch piece (5) departing from the groove bottom of the groove (11) is used for the nut (211) to abut against.

7. A light gauge steel drywall ceiling construction according to any one of claims 1 to 3, wherein: a chamfer (22) is arranged on the side wall of the light steel bearing bone (2); the chamfer (22) is used for guiding the gypsum board (3) to be inserted into the insertion joint (4).

8. The light gauge steel gypsum board ceiling structure of claim 7, wherein: a placing groove (31) is formed in the side wall of the gypsum board (3); when the gypsum plate (3) is inserted into the insertion joint (4), the wall of the placement groove (31) is abutted to the surface of the light steel bearing bone (2), and the surface of the gypsum plate (3) is coplanar with the surface of the light steel bearing bone (2).

9. The light gauge steel gypsum board ceiling structure of claim 8, wherein: an adsorption layer (6) is arranged on the surface of the light steel supporting bone (2) far away from the light steel auxiliary keel (1); the adsorption layer (6) is used for coating adhesion.

10. The light steel keel gypsum board suspended ceiling construction process is characterized by comprising the following steps:

s1: constructing a suspended ceiling network foundation: clamping and fixing the light steel auxiliary keel (1) and the light steel main keel;

s2: suspending the gypsum board (3): inserting the gypsum board (3) into the insertion joint (4) between the light steel auxiliary keel (1) and the light steel bearing bone (2);

s3: fixing the gypsum board (3): and (3) connecting and fixing the gypsum board (3) and the light steel auxiliary keel (1) by using self-tapping nails.

Technical Field

The application relates to the field of house construction, in particular to a light steel keel gypsum board suspended ceiling structure and a construction process thereof.

Background

The suspended ceiling is a decoration for decorating the top of the residential environment of a house. In short, it refers to the decoration of ceiling, which is one of the important parts of indoor decoration.

The suspended ceiling mainly comprises a hanging rod, a light steel main keel, a light steel auxiliary keel and a gypsum board. During construction, a constructor firstly determines the installation position of the suspension rod on the ceiling, and then the suspension rod is installed and fixed on the ceiling. And then, the constructor takes the light steel main keel, passes the suspender through the preset hole of the light steel main keel and then locks the suspender by using the nut, so that the light steel main keel is hung below the ceiling. Then constructors take the light steel auxiliary keel again, the light steel auxiliary keel and the light steel main keel are clamped and fixed to form a suspended ceiling network, finally the constructors lift the gypsum boards, the gypsum boards and the light steel auxiliary keel are connected and fixed through self-tapping screws, after the plurality of gypsum boards cover the ceiling, the constructors use paints such as putty and varnish to paint the gypsum boards, and then the installation process of the suspended ceiling can be completed.

To the correlation technique among the above-mentioned, the inventor thinks that constructor needs to continuously lift gypsum panel, just can be through the self-tapping nail, is connected gypsum panel and light steel false keel, increases the intensity of labour of the furred ceiling of constructor installation.

Disclosure of Invention

In order to reduce the labor intensity of a constructor for installing a suspended ceiling, the application provides a light steel keel gypsum board suspended ceiling structure and a construction process thereof.

First aspect, the application provides a light gauge steel gypsum board furred ceiling structure adopts following technical scheme:

a suspended ceiling structure of a light steel keel gypsum board comprises a light steel auxiliary keel, a light steel bearing bone and a gypsum board; the light steel bearing bone is prefabricated on the outer surface of the light steel auxiliary keel; a splicing seam is reserved between the light steel bearing bone and the outer surface of the light steel auxiliary keel; the inserting joint is used for inserting the gypsum board; the opposite surfaces of the light steel auxiliary keel and the light steel bearing bone are used for the abutment of the gypsum board.

Through adopting above-mentioned technical scheme, after constructor fixed with light steel false keel and light steel main joist joint, constructor alright lift gypsum board, peg graft gypsum board in the plug joint between light steel bearing bone and the light steel false keel, alright make gypsum board hang in the below of ceiling temporarily, then constructor alright with use self-tapping nail with gypsum board and light steel false keel be connected fixedly. Through light steel bearing bone, make gypsum board can peg graft in the plug joint on the one hand, reduce constructor and continuously lift gypsum board's intensity of labour to alleviate constructor installation furred ceiling's intensity of labour, on the other hand adjacent gypsum board's clearance can be covered by light steel false keel, thereby reduce the risk that follow-up steam got into in the space between gypsum board and the ceiling, reduce the risk that the ceiling was corroded by steam water.

Optionally, the outer surface of the light steel auxiliary keel is provided with a mounting groove; telescopic grooves are formed in the inner side walls opposite to the mounting grooves; the light steel bearing bone is fixedly provided with two elastic pieces; a gap is reserved between the two elastic pieces; the two elastic pieces respectively correspond to the opposite side walls of the mounting groove; a bending part is arranged on one side of the elastic sheet, which is far away from the light steel bearing bone; the surface of the elastic sheet is used for abutting against the side wall of the gypsum board; the telescopic groove is used for moving in and placing the bending part; the mounting groove is provided with a space for the elastic sheet to elastically bend; a notch of the telescopic groove is provided with a barrier strip; the barrier strip is used for limiting the bending part to move out of the telescopic groove.

Through adopting above-mentioned technical scheme, constructor pegs graft gypsum panel in the plug joint back, gypsum panel's lateral wall butt in the surface of flexure strip, the equal elastic deformation of flexure strip in the mounting groove and the flexible inslot, and elasticity through flexure strip and flexure strip restores power, forces light steel to hold the bone and support gypsum panel the surface of tight light steel false keel, reduces gypsum panel and breaks away from the risk of plug joint. In addition, when two adjacent gypsum boards support simultaneously in same root light steel bearing bone, the expansion joint of two adjacent gypsum boards is regarded as in the clearance between two flexure strips, reduce adjacent gypsum board and wet the cracked risk of mutual extrusion atress, through the setting of flexure strip and flexion, not only realize light steel bearing bone and light steel false keel and be connected fixed effect, realize the width adjustable effect of plug joint simultaneously, make the gypsum board homoenergetic of different thickness peg graft in the plug joint.

Optionally, a space for the bending portion to move in the telescopic groove along the width direction of the light steel false keel is reserved in the telescopic groove.

Through adopting above-mentioned technical scheme, provide the displacement space in flexible inslot for the flexion to peg graft in the plug joint simultaneously in the both sides that constructor kept away from gypsum board each other, reduce the elasticity restoring force of flexure strip and hinder constructor's risk of pegging graft gypsum board.

Optionally, the bending part is provided with a sound attenuation layer; the noise reduction layer is used for abutting against the inner wall of the telescopic groove.

Through adopting above-mentioned technical scheme, when gypsum panel is pegged graft in the plug joint, the lateral wall of flexion will rub with the inner wall in flexible groove, probably leads to the sound production of dazzling, and the introduction of amortization layer weakens the sound of rubbing between flexion and the flexible groove, reduces the risk that sound damage constructor hearing of dazzling.

Optionally, at least two screws are fixedly arranged on the surface of the light steel supporting bone; at least two through holes are formed in the surface of the light steel auxiliary keel in a penetrating manner; the through hole is used for the screw to pass through; the screw is in threaded connection with a nut; the screw rod is limited by the nut to be separated from the light steel auxiliary keel.

Through adopting above-mentioned technical scheme, the setting of screw rod and nut realizes that light steel bearing bone and light steel false keel are connected fixed effect, is convenient for prefabricate light steel bearing bone on light steel false keel earlier in the earlier stage, and the constructor of also being convenient for is connected light steel bearing bone and light steel false keel at the furred ceiling erection site, and light steel bearing bone is simple and convenient with the connected mode of light steel false keel, and easy the one's hand reduces constructor's learning cost.

Optionally, the surface of the light steel auxiliary keel, which faces away from the light steel bearing bone, is provided with a groove; the through hole penetrates through the groove bottom of the groove; an elastic arch sheet is arranged in the groove; two sides of the elastic arch sheet, which are far away from each other, are fixedly connected with the inner wall opposite to the groove respectively; the highest point of the horizontal position of the elastic arch sheet is positioned on the central line of the through hole; the surface of the elastic arch sheet is provided with at least two limiting holes in a penetrating way; the at least two limiting holes correspond to the at least two through holes one by one; the limiting hole is opposite to the through hole; the limiting hole is used for the screw to pass through; the surface of the elastic arch sheet departing from the bottom of the groove is used for the nut to abut.

Through adopting above-mentioned technical scheme, constructor pegs graft the gypsum board of different thickness in the plug joint back, and the elasticity hunch piece will produce the elastic deformation of different ranges, and through the elastic restoring force of elasticity hunch piece, force light steel bearing bone to support gypsum board tightly light steel false keel, reduce the risk that gypsum board breaks away from the plug joint to make the plug joint adapt to the gypsum board of different thickness. In addition, in the elastic deformation process of the elastic arch sheet, the elastically deformed elastic arch sheet props up the notch of the groove, so that the joint between the light steel auxiliary keel and the light steel main keel is tightly connected, the risk of connection looseness of the joint between the light steel auxiliary keel and the light steel main keel is reduced, and the connection firmness of the light steel auxiliary keel and the light steel main keel is improved.

Optionally, a chamfer is arranged on the side wall of the light steel bearing bone; the chamfer is used for guiding the gypsum board to be inserted into the insertion joint.

Through adopting above-mentioned technical scheme, the introduction of chamfer improves constructor and pegs graft the efficiency in the spliced seam with gypsum panel to reduce constructor and need accurate counterpoint just can peg graft the intensity of labour in the spliced seam with gypsum panel.

Optionally, a placing groove is formed in the side wall of the gypsum board; when the gypsum board is inserted into the insertion joint, the groove wall of the placing groove is abutted against the surface of the light steel bearing bone, and the surface of the gypsum board is coplanar with the surface of the light steel bearing bone.

Through adopting above-mentioned technical scheme, the introduction of standing groove reduces gypsum panel and pegs graft in the plug-in connection in the back with the risk that light steel bearing bone formed the section drop, improves the roughness behind the furred ceiling installation completion, the follow-up constructor of being convenient for whitewashes, processes such as the furred ceiling of polishing.

Optionally, an adsorption layer is arranged on the surface of the light steel supporting bone far away from the light steel auxiliary keel; the adsorption layer is used for coating adhesion.

Through adopting above-mentioned technical scheme, after follow-up gypsum board and light steel false keel installation, constructor applies paint the process with a brush to gypsum board, and through the setting of adsorbed layer, the coating of being convenient for is attached to the adsorbed layer to reduce the furred ceiling and apply paint the split sense on accomplishing the back sight sense with a brush, improve the uniformity that the furred ceiling was whole to be perceived.

In a second aspect, the application provides a light steel keel gypsum board suspended ceiling construction process adopts following technical scheme:

a light steel keel gypsum board suspended ceiling construction process comprises the following steps:

s1: constructing a suspended ceiling network foundation: clamping and fixing the light steel auxiliary keel and the light steel main keel;

s2: hanging the gypsum board: inserting the gypsum board into the insertion joint between the light steel auxiliary keel and the light steel bearing bone;

s3: fixing the gypsum board: and connecting and fixing the gypsum board and the light steel auxiliary keel by using self-tapping nails.

Through adopting above-mentioned technical scheme, constructor with light steel false keel and light steel main joist joint fixed back, constructor alright lift gypsum board, peg graft gypsum board in the plug joint between light steel bearing bone and the light steel false keel, alright make gypsum board hang in the below of ceiling temporarily, then constructor alright with use self-tapping nail with light steel bearing bone, gypsum board and light steel false keel be connected fixedly. Reduce constructor on the one hand and continuously lift the intensity of labour of gypsum panel, on the other hand improves the fastness of being connected of gypsum panel and light steel false keel.

In summary, the present application includes at least one of the following beneficial technical effects:

through the light steel bearing bone, on one hand, the gypsum boards can be inserted into the insertion joints, the labor intensity of construction personnel for continuously lifting the gypsum boards is reduced, and therefore the labor intensity of the construction personnel for installing the suspended ceiling is reduced, on the other hand, the gap between the adjacent gypsum boards can be covered by the light steel auxiliary keel, so that the risk that subsequent water vapor enters the space between the gypsum boards and the ceiling is reduced, and the risk that the ceiling is corroded by the water vapor is reduced;

through the arrangement of the elastic sheet and the bending part, the effect of connecting and fixing the light steel bearing bone and the light steel auxiliary keel is realized, and the effect of adjusting the width of the insertion joint is realized at the same time, so that gypsum plates with different thicknesses can be inserted into the insertion joint;

through the elastic arch piece, after the gypsum board is inserted into the insertion joint, the elastic arch piece is elastically deformed, and the elastically deformed elastic arch piece can open the notch of the groove to force the joint between the light steel auxiliary keel and the light steel main keel to be tightly connected, so that the risk of the joint between the light steel auxiliary keel and the light steel main keel being loosened is reduced, and the connection firmness of the light steel auxiliary keel and the light steel main keel is improved.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is an enlarged view of a portion a of fig. 1.

FIG. 3 is a schematic view of the entire structure of embodiment 2.

Fig. 4 is an enlarged view of fig. 3 at a portion B.

Fig. 5 is a flow chart of a light steel keel gypsum board suspended ceiling construction process.

Description of reference numerals: 1. light steel false keel; 11. a groove; 12. perforating; 13. mounting grooves; 14. a telescopic groove; 15. blocking strips; 2. a light steel support frame; 21. a screw; 211. a nut; 22. chamfering; 23. an elastic sheet; 231. a bending section; 3. gypsum board material; 31. a placement groove; 4. splicing seams; 5. an elastic arch piece; 51. a limiting hole; 6. an adsorption layer; 7. and a sound attenuation layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The suspended ceiling mainly comprises a suspender, a light steel main keel, a light steel auxiliary keel and a gypsum board, wherein the suspender is fixed at the designated position of the ceiling through an expansion bolt. The light steel main keel is fixed with the suspender through a nut which is connected with the suspender through threads. The light steel auxiliary keels and the light steel main keels are clamped and fixed to form a suspended ceiling network. The gypsum board is lifted by constructors and is fixedly connected with the light steel auxiliary keel by using self-tapping screws.

The embodiment of the application discloses light gauge steel gypsum board furred ceiling structure to reduce the intensity of labour that constructor lastingly lifted gypsum board.

Example 1:

referring to fig. 1 and 2, the light steel keel gypsum board suspended ceiling structure comprises light steel auxiliary keels 1, light steel bearing bones 2 and gypsum boards 3, wherein the light steel auxiliary keels 1 and the light steel bearing bones 2 are consistent in length. The light steel auxiliary keel 1 is fixedly connected with the light steel bearing bone 2, a splicing seam 4 is formed between the surface of the light steel auxiliary keel 1 and the surface of the light steel bearing bone 2, and the splicing seam 4 is used for splicing the gypsum board 3. Insert in bayonet joint 4 through gypsum panel 3, alright hang gypsum panel 3 in the below of light steel false keel 1 in advance, realize reducing constructor and continuously lift the intensity of labour of gypsum panel 3.

Referring to fig. 2, specifically, the surface of the light steel false keel 1 is provided with a groove 11, that is, the light steel false keel 1 is a C-shaped light steel false keel, a plurality of through holes 12 are formed in the groove bottom of the groove 11 in a penetrating manner, and the through holes 12 are arranged along the length direction of the light steel false keel 1 at equal intervals. An elastic arch sheet 5 is riveted in the groove 11, the elastic arch sheet 5 extends along the length direction of the light steel auxiliary keel 1, the elastic arch sheet 5 is a steel sheet, two sides, far away from each other, of the elastic arch sheet 5 are respectively riveted on the opposite inner side walls of the groove 11, and the highest point of the horizontal position of the elastic arch sheet 5 is located on the central line of the through hole 12. The surface of the elastic arch piece 5 is provided with a plurality of limiting holes 51 in a penetrating way, the number of the limiting holes 51 is consistent with that of the through holes 12, and the central lines of the limiting holes 51 are superposed with that of the through holes 12.

Referring to fig. 2, a plurality of screws 21 are welded on the surface of the light steel supporting bone 2, the screws 21 correspond to the through holes 12 one by one, and the through holes 12 and the limiting holes 51 are provided for the screws 21 to pass through. The light steel bearing bone 2 is positioned under the surface of the light steel auxiliary keel 1 far away from the groove opening of the groove 11. The screw 21 is in threaded connection with a nut 211, the nut 211 abuts against the surface of the elastic arched sheet 5 departing from the bottom of the groove 11, namely the surface of the highest point of the horizontal position of the elastic arched sheet 5, and the nut 211 is used for limiting the screw 21 to be separated from the light steel false keel 1. Borrow this design, constructor pegs graft the gypsum board 3 of different thickness in plug joint 4 back, and elasticity hunch piece 5 will produce the elastic deformation of different ranges, through elasticity restoring force of elasticity hunch piece 5, forces light steel bearing bone 2 to support gypsum board 3 tightly light steel false keel 1, reduces the risk that gypsum board 3 breaks away from plug joint 4 to make plug joint 4 adapt to the gypsum board 3 of different thickness. In addition, in the process of elastic deformation of the elastic arch piece 5, the elastically deformed elastic arch piece 5 props up the notch of the groove 11, so that the joint between the light steel auxiliary keel 1 and the light steel main keel is tightly connected, the risk of connection looseness of the joint between the light steel auxiliary keel 1 and the light steel main keel is reduced, and the connection firmness of the light steel auxiliary keel 1 and the light steel main keel is improved.

Referring to fig. 2, an adsorption layer 6 is fixedly adhered to the surface of the light steel bearing bone 2 away from the notch of the groove 11, and the adsorption layer 6 is used for attaching paint, wherein the paint can be putty, varnish or paint. The adsorption layer 6 can be paper, putty or cloth. The significance of designing the adsorption layer 6 is: after subsequent gypsum board 3 and light steel false keel 1 installation are accomplished, the constructor brushes the process with a brush to gypsum board 3, through the setting of adsorbed layer 6, and the coating of being convenient for is attached to adsorbed layer 6 to reduce the furred ceiling and brush the division sense of accomplishing the on-the-spot look sense of back, improve the uniformity that the furred ceiling was whole to look the sense.

Referring to fig. 2, the side wall of the light steel bearing bone 2 is provided with a circular arc chamfer 22, and the chamfer 22 is used for guiding the gypsum board 3 to be inserted into the insertion joint 4 so as to improve the efficiency of inserting the gypsum board 3 into the insertion joint 4 by constructors.

Referring to fig. 2, standing groove 31 has been seted up to gypsum board 3's lateral wall, and when gypsum board 3 pegged graft in plug joint 4, the cell wall of standing groove 31 and light steel bearing bone 2's surface butt, the surface of gypsum board 3 and light steel bearing bone 2's surface coplane, borrow this design, improve the roughness of the furred ceiling after the completion.

The implementation principle of the embodiment 1 is as follows: after constructor fixes light steel false keel 1 and light steel main joist joint, constructor alright lift gypsum board 3, peg graft gypsum board 3 in the plug joint 4 between light steel bearing bone 2 and the light steel false keel 1, alright make gypsum board 3 hang in the below of ceiling temporarily, then constructor alright with use the self-tapping nail with light steel bearing bone 2, gypsum board 3 and light steel false keel 1 be connected fixedly. Subsequent constructors use paints such as putty and varnish to brush the surfaces of the gypsum boards 3 and the adsorption layer 6, so that gaps between the gypsum boards 3 and the light steel bearing bones 2 can be covered by the paints, and the consistency of the appearance after the ceiling is finished is improved.

Example 2:

referring to fig. 3 and 4, the difference between the embodiment and embodiment 1 is that an installation groove 13 is formed in the outer surface of the light steel false keel 1 facing the light steel supporting bone 2, and the installation groove 13 extends along the length direction of the light steel false keel 1. Telescopic grooves 14 are formed in the inner side walls opposite to the mounting grooves 13, and the telescopic grooves 14 extend along the length direction of the light steel auxiliary keel 1.

Referring to fig. 4, the surface of the light steel supporting rib 2 welded and fixed with the screw 21 is defined as the front surface of the light steel supporting rib 2, two elastic sheets 23 are welded and fixed on the front surface of the light steel supporting rib 2, the elastic sheets 23 are made of steel sheets, and the elastic sheets 23 extend along the length direction of the light steel false keel 1. A gap is reserved between the two elastic sheets 23, the screw 21 is positioned in the gap between the two elastic sheets 23, a gap is reserved between the elastic sheets 23 and the side wall of the screw 21, and the surfaces of the two elastic sheets 23, which are far away from each other, are used for abutting against the side wall of the gypsum board 3. The two elastic pieces 23 correspond to the opposite side walls of the mounting groove 13, namely one elastic piece 23 corresponds to one telescopic groove 14. The side of the elastic sheet 23 away from the light steel supporting bone 2 is bent with a bending part 231.

Referring to fig. 4, the mounting groove 13 leaves a space for the elastic piece 23 to elastically bend. The telescopic groove 14 is used for the bending part 231 to move in and place, the surface of the bending part 231 is coated with the sound attenuation layer 7, the sound attenuation layer 7 can be paper or cloth, and the inner wall of the telescopic groove 14 is abutted by the sound attenuation layer 7. The expansion groove 14 has a space for the bending portion 231 to move in the expansion groove 14 in the width direction of the light steel false keel 1. The notch integrated into one piece of flexible groove 14 has blend stop 15, and blend stop 15 extends the setting along the length direction of light steel false keel 1, and blend stop 15 is used for restricting flexion 231 to move out outside flexible groove 14.

The implementation principle of the embodiment 2 is as follows: constructor pegs graft gypsum board 3 in bayonet joint 4 back, gypsum board 3's lateral wall butt in the surface of flexure strip 23, the equal elastic deformation of flexure 231 in flexure strip 23 and the flexible groove 14 in the mounting groove 13, elastic restoring force through flexure strip 23 and flexure 231, force light steel bearing bone 2 to support gypsum board 3 tight light steel false keel 1's surface, the expansion joint of two adjacent gypsum board 3 is regarded as in the clearance between two flexure strips 23 simultaneously, reduce the cracked risk of mutual extrusion atress after adjacent gypsum board 3 wets.

The embodiment of the application also discloses a light steel keel gypsum board suspended ceiling construction process.

Referring to fig. 5, the light steel keel gypsum board suspended ceiling construction process comprises the following steps:

s1: constructing a suspended ceiling network foundation;

s11: the screw 21 passes through the through hole 12 and the limiting hole 51, and the nut 211 is rotated to connect and fix the light steel bearing bone 2 and the light steel auxiliary keel 1;

s12: clamping and fixing the light steel auxiliary keel 1 and the light steel main keel;

s2: hanging a gypsum board 3;

s21: polishing the side wall of the gypsum plate 3 by using a polisher to form a placing groove 31;

s22: inserting the polished gypsum board 3 into an insertion joint 4 between the light steel auxiliary keel 1 and the light steel bearing bone 2;

s3: fixing the gypsum board 3;

s31: and (3) connecting and fixing the light steel bearing bone 2, the gypsum plate 3 and the light steel auxiliary keel 1 by using self-tapping nails.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.