CN213682740U - Connecting assembly of suspended ceiling for interior decoration - Google Patents

Abstract

The utility model discloses a connecting component of a suspended ceiling for interior decoration, which comprises an expansion pipe and a pin body, wherein a second connecting port which is aligned and communicated with the first connecting port is arranged on the top surface of the pipe body of the expansion pipe; the bottom of the pipe body extends into the mounting hole, and a buckling position which laterally extends into the side wall of the mounting hole is arranged on the side surface of the bottom of the pipe body; the pin body is clamped in the tube body, the bottom of the pin body extrudes the expansion tube and tightly presses the buckling position against the back plate, and a third connecting port which is aligned with and communicated with the second connecting port is further arranged on the pin body; the retaining member will fossil fragments the expansion pipe with the round pin body locking is fixed, the backplate of plate body is fixed in the knot position of expansion pipe with between the fossil fragments. The utility model provides a lack among the prior art can realize reliable, quick and adjustable position's connecting piece's technical problem with the big board.

Description

Connecting assembly of suspended ceiling for interior decoration

Technical Field

The utility model relates to a building decoration technical field especially relates to a coupling assembling of furred ceiling for interior decoration.

Background

With the continuous change of the concept of home decoration, suspended ceilings are gradually accepted and accepted by the public and become one of the components in modern home decoration. In recent years, the house world has silently created a large plate wind tide, and nowadays, the wind tide is scraped to the integrated ceiling industry, and the large plate ceiling is more and more popular. The big board mainly indicates aluminium honeycomb composite sheet, compares the biggest change of traditional aluminium suspended ceiling and is exactly that the monolithic size is big, and whole performance is effectual, has obvious pleasing to the eye advantage.

In the existing large plate ceiling mounting structure, four edges of a large plate are fixedly connected with keels, and the keels are connected with a ceiling system of a top wall, so that the large plate is mounted. The existing large plate mounting structure mainly comprises a keel splicing frame structure and an I-shaped (or inverted T-shaped keel) lapping plate structure, and is different from the prior art that the keel is firstly connected with a large plate or is firstly connected with a ceiling system of a top wall.

However, the installation structure for fixing the keels and the four sides of each honeycomb plate has obvious defects and hinders the further popularization of the large plate, and the method is as follows: 1. after the large plate is installed, a keel structure can be seen between each plate, so that the appearance is influenced; 2. the keel sectional material is linear due to the processing mode, and the large plate can be cut into a straight line or a circle or a curve, so that the expressive force of the large plate is limited; 3. under the condition of two layers of suspended ceilings, the relative height or relative position of the keel and the installation structure fixed on four sides of the cellular board between the two layers of ceilings is difficult to process when needing to be adjusted, and a multi-layer suspended ceiling is difficult to install; 4. the material cost and the installation effectiveness of fossil fragments are low, especially when involving two or more layers of furred ceiling. If the back aluminum plate of fossil fragments and every honeycomb panel is fixed, the suspended ceiling system production of rethread fossil fragments and top wall is connected, then above-mentioned installation problem of solution that can be fine.

In the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems:

in the prior art, the thickness of the large plate is very thin (between 0.2mm and 0.6 mm) under the limitation of cost factors, the keel and the large plate cannot be reliably connected by fixing the keel and the large plate through conventional screws, the keel and the large plate are fixed by gluing, rapid installation and position adjustment cannot be realized because the curing period of glue is usually longer than 12-24 hours, and the key reason that the large plate and the keel cannot be reliably, rapidly and position-adjustable connected is that a connecting piece which can be reliably, rapidly and position-adjustable with the large plate is lacked in the prior art.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a coupling assembling of furred ceiling for interior decoration, has solved and has lacked the technical problem that can realize reliable, quick and adjustable position's connecting piece with the big board among the prior art.

In order to solve the above problems, an embodiment of the present application provides a connection assembly for a suspended ceiling for interior decoration, where the suspended ceiling includes a plate body and a keel, and a first connection port is formed on the keel; the plate body includes backplate and panel, the mounting hole has been seted up on the backplate, coupling assembling be used for with the backplate of plate body with fossil fragments link to each other, coupling assembling include:

the expansion pipe comprises a pipe body, and a second connecting port which is aligned with and communicated with the first connecting port is arranged on the top surface of the pipe body; the bottom of the pipe body extends into the mounting hole, and a buckling position which laterally extends into the side wall of the mounting hole is arranged on the side surface of the bottom of the pipe body so as to upwards extrude the back plate;

the pin body is clamped in the pipe body, the bottom of the pin body extrudes the expansion pipe and tightly presses the buckling position against the back plate, and a third connecting port which is aligned with and communicated with the second connecting port is further arranged on the pin body;

retaining member, retaining member run through first connector the second connector extends to in the third connector, will fossil fragments the expansion pipe with the cotter body locking is fixed, the backplate of plate body is fixed in the knot position of expansion pipe with between the fossil fragments.

Further, the retaining member be the screw, first connector the second connector with the third connector is first screw via hole, second screw via hole and third screw via hole respectively, the screw runs through first screw via hole the second screw via hole extends to in the third screw via hole, and will the backplate of plate body is locked the expansion pipe detain the position with between the fossil fragments.

Furthermore, a fork opening used for providing elasticity is formed in the side face of the bottom of the pipe body.

Furthermore, the opening size of the fork mouth gradually decreases from the bottom port of the pipe body to the middle of the pipe body.

Further, the buckling position is arranged along the circumferential direction of the pipe body, and the buckling position is gradually narrowed from top to bottom along the axial direction of the pipe body.

Further, the expansion pipe comprises at least two pipe bodies used for preventing the expansion pipe from rotating along with the screw, and the adjacent pipe bodies are connected through a connecting body.

Furthermore, the cross section of the pipe body of the expansion pipe is circular, a flange protruding towards the middle of the pipe body is arranged on the inner wall of the pipe body, and the flange is in interference fit with the top section.

Further, the pin body comprises a top section and a bottom section, the cross-sectional shape of the top section is a polygon for preventing the pin body from rotating in the expansion pipe, and the cross-sectional shape of the bottom section is a circle.

Furthermore, the outer edge of the side face of the bottom section of the pin body exceeds the outer edge of the side face of the top section of the pin body, so that the buckling position is pressed in the mounting hole outwards.

Furthermore, the bottom section of the pin body is a circular truncated cone, and the small end of the circular truncated cone is connected with the top section.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

(1) the coupling assembling of the interior decoration plate body furred ceiling structure that this application embodiment provided is different completely with current mainstream mounting structure, designs out the unique structure of expansion pipe and round pin body through the innovation, can produce reliable and fast and be connected with the thinner backplate of plate body, very big reduction the installation degree of difficulty of plate body, and improved the installation effectiveness. Therefore, the coupling assembling of furred ceiling for interior decoration the embodiment of this application solve and lack among the prior art can realize reliable, quick and adjustable position's connecting piece's technical problem with the plate body, realized the installation degree of difficulty of very big reduction plate body, improved the installation effectiveness, connect reliable and adjustable position's beneficial effect.

(2) The embodiment of the application expansion pipe and the pin body mutually support, are locking first screw during, the pin body rebound to upwards pushing up to both sides simultaneously and leaning on the expansion pipe inside wall, thereby make it upwards extrudees to detain the position the backplate of plate body, then the backplate is pressed from both sides tightly be in the expansion pipe outside detain the position with between the back dress fossil fragments, realized the backplate with the reliable connection of back dress fossil fragments.

(3) The expansion pipe design of this application embodiment be double-end or bull structure, can prevent first screw expansion pipe rotates when locking or unscrewing, has also increaseed simultaneously the area of contact of expansion pipe knot position and backplate to it is more reliable to make the connection.

(4) The utility model provides a body bottom the side seted up and provided elastic fork mouth, the fork mouth make body bottom has certain elasticity, thereby be convenient for make the inflation pipe is impressed in the mounting hole of backplate.

(5) The round pin body of this application embodiment including being used for seting up the top section of third screw via hole, the cross sectional shape of top section is the polygon, because the cross sectional shape of body is circular, can effectively prevent when the screw locking the round pin body rotates to it is more reliable to make the connection.

(6) This application embodiment the outward flange of bottom segment side surpasss the outward flange of top segment side is locking first screw during, the round pin body rebound, the bottom segment takes advantage of the situation and gets into in the body and crowd the expansion pipe inside wall, make it upwards extrudees to detain the position the backplate of plate body, then the backplate is pressed from both sides tightly the knot position in the expansion pipe outside with between the back dress fossil fragments, realized the backplate with the reliable connection of back dress fossil fragments. In addition, the bottom section of the pin body is a circular truncated cone body, so that the pin body can be gradually abutted against the buckling position in the upward moving process.

Drawings

Fig. 1 is a schematic structural diagram of a suspended ceiling for interior decoration according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a plate body of a suspended ceiling for interior decoration according to an embodiment of the present disclosure;

fig. 3 is a side view of a plate body of a suspended ceiling for interior decoration according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is a schematic structural view of an back keel of a suspended ceiling for interior decoration according to an embodiment of the application.

Fig. 6 is a schematic structural diagram of an expansion pipe of a connecting component of a suspended ceiling for interior decoration according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a pin body of a connection assembly of a suspended ceiling for interior decoration according to an embodiment of the present disclosure;

FIG. 8 is an enlarged view of the structure at B in FIG. 1;

fig. 9 is an exploded view of a connection part constructed by the connection component of the suspended ceiling for interior decoration according to the second embodiment of the present application;

fig. 10 is a perspective view of a connecting part constructed by the connecting component of the suspended ceiling for interior decoration according to the second embodiment of the present application;

fig. 11 is an exploded view of a back-assembled patched keel matched with a connecting component of a suspended ceiling for interior decoration according to the second embodiment of the application;

fig. 12 is a schematic structural diagram of a plate body provided with the mounting hole in a drilling manner in the third embodiment of the present application;

FIG. 13 is a schematic view of an opening structure of a plate body in the third embodiment of the present application;

FIG. 14 is a schematic view showing a state where a pin body is inserted into a mounting hole in the third embodiment of the present application;

fig. 15 is a schematic view showing a state where the tubular body of the expansion pipe is pressed into the mounting hole in the third embodiment of the present application;

fig. 16 is a schematic view illustrating a state that the first catching groove of the back keel is sleeved into the corresponding expansion pipe in the third embodiment of the present application;

fig. 17 is a schematic view illustrating a state in which the second fastening groove of the back-assembled abutted seam keel is sleeved in the corresponding expansion pipe in the third embodiment of the present application;

fig. 18 is a schematic view of the connection assembly connected with the back-mounted keel according to the third embodiment of the application;

fig. 19 is a schematic view of the connection state of the connection assembly and the back assembled patchwork keel in the third embodiment of the application.

Detailed Description

The embodiment of the application provides a coupling assembling of furred ceiling for interior decoration, has solved and has lacked the technical problem that can realize reliable, quick and adjustable position's connecting piece with the plate body among the prior art.

In order to solve the technical problem of the crosstalk, the technical scheme in the embodiment of the present application has the following general idea:

because the plate body is thin, reliable connection cannot be achieved by using screws, and installation efficiency is low and position adjustment is inconvenient by using glue for connection, the applicant thinks that the plate body is fixed on the main keel by using buckle connection, and the main keel is connected with the back plate of the plate body without damaging the panel of the plate body. Only need the buckle firmly can make the plate body with produce reliable connection between the main joist, joint strength can not be restricted the thickness of plate body even thinner back of the body aluminum plate also can produce quick reliable connection.

The key that main joist and plate body buckle are connected is to produce reliable connection with the plate body, and for making the buckle connect have sufficient joint strength and simple to operate swift, the applicant has designed coupling assembling specially and has come to be connected with the plate body, and the expansion pipe is inserted and is established in the mounting hole on the backplate, the round pin position in the expansion pipe, round pin body and connection fossil fragments are locked through first retaining member (first screw), crowded leaning on in round pin body bottom detain the position on the expansion pipe, and will the backplate of plate body presss from both sides tightly detain the position in the expansion pipe outside and connect between the fossil fragments, thereby make coupling assembling with the plate body is reliably connected.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example one

Fig. 1 is a schematic structural view of a suspended ceiling for interior decoration according to the present embodiment, and as shown in fig. 1, the suspended ceiling includes at least one suspended ceiling layer, and the suspended ceiling layer includes main runners 300, plate bodies 200, and connecting portions.

The main keel 300 is horizontally arranged, the main keel 300 is fixedly connected with a top wall 910 through a hanging rod 711, and a plurality of clamping parts 310 are arranged on the main keel 300 at intervals. Specifically, the main runner 300 is fixed with a main runner hanger 320, the top end of the suspension bar 711 is fixed on the top wall 910 by a bolt, the bottom end of the suspension bar 711 extends vertically downward and is inserted into the main runner hanger 320, and the main runner hanger 320 is screwed by a nut, so that the main runner 300 is fixed.

Fig. 2 and 3 are a schematic structural view and a side view of a panel body of a suspended ceiling for interior decoration according to an embodiment, and as shown in fig. 2 and 3, the panel body 200 is horizontally laid below the main runner 300, and the panel body 200 includes a back panel 210 (facing a top wall when installed) and a front panel 230 (facing indoors when installed). Specifically, in the present embodiment, the plate body 200 is an aluminum honeycomb composite plate, and as shown in fig. 3, the aluminum honeycomb composite plate includes a back plate 210 (back aluminum plate), a face plate 230 (back aluminum plate), and a honeycomb core 220 disposed between the back plate 210 and the face plate 230.

The bottom end of the connecting portion is connected to the back plate 210 of the plate body 200 by means of a snap fit, and the top end of the connecting portion is connected to the locking portion 310 by means of a snap fit, so that the plate body 200 is fixed to the main runner 300.

Fig. 4 is an enlarged view of a structure shown in fig. 1, and fig. 4 is a view showing a structure of a connecting portion constructed by the connecting assembly of the suspended ceiling for interior decoration — as shown in fig. 4, the locking portion 310 includes a locking piece 311 and a locking keel 314.

The clip 311 is fixed on the main keel 300, a first clip groove 312 which is open downwards is arranged at the bottom of the clip 311, and the notch of the first clip groove 312 is narrower than the groove bottom of the first clip groove 312. A first clamping head 314 clamped in the first clamping groove 313 is arranged above the clamping keel 314, the top of the first clamping head 314 is wider than the bottom of the first clamping head 314, and the top of the first clamping head 314 is provided with hanging lugs 312 which can be inserted into the first clamping groove 313 and extend towards two sides of the first clamping groove 313, so that the first clamping head 314 is prevented from slipping out of the first clamping groove 313; the below of joint fossil fragments 314 have the inflation and insert chamber 315, the bottom surface that the chamber 315 was inserted in the inflation is connected with the plug-in groove 316, plug-in groove 316 be narrower in the inflation is inserted the chamber 315, the top mouth of plug-in groove 316 with the chamber 315 intercommunication is inserted in the inflation, the bottom mouth vertical extension downwards of plug-in groove 316. Specifically, in this embodiment, the locking keel 314 is a triangular keel, and the latch 311 is a triangular keel latch.

As shown in fig. 1, 2 and 3, the plate body 200 is provided with a mounting hole 240, the bottom end of the connecting portion is connected to the mounting hole 240 in a snap-fit manner, specifically, the back plate 210 is recessed into the plate body 200 to form the mounting hole 240, the mounting hole 240 is a circular hole, and the mounting hole 240 is a blind hole, so as to ensure the integrity of the panel 230 of the plate body 200, and further ensure the overall aesthetic property of the suspended ceiling.

As shown in fig. 4, the connection part includes a back-mounted keel 400 and a connection assembly 100. Fig. 5 is a schematic structural view of a back-mounted keel 400 matched with the connecting component of the suspended ceiling for interior decoration. As shown in fig. 4 and 5, the back-mounted keel 400 includes a first insert 410 and a first fastening groove 420, a first expansion plug 411 is connected to a top end of the first insert 410, and the first expansion plug 411 extends vertically upward to be clamped into the expansion plug cavity 315 through the plug passage 316. One side of the top of the first catching groove 420 is connected with the bottom end of the first plug-in unit 410, the notch of the first catching groove 420 faces downward, the bottom of the first catching groove 420 faces upward, and a first screw through hole 430 is formed in the bottom of the first catching groove 420.

Further, as shown in fig. 4, the outer side of the first expansion plug 411 is a plane, so as to be inserted into the expansion plug cavity 315 through the plug passage 316, the inner side of the first expansion plug is a convex structure with a small top and a large bottom, so as to be inserted into the expansion plug cavity 315 through the plug passage 316, and the widest part of the first expansion plug 411 is wider than the plug passage 316, so as to prevent the first expansion plug from slipping out of the expansion plug cavity 315.

As shown in fig. 4, the connection assembly 100 includes an expansion tube 110, a pin body 120, and a first screw 130. Fig. 6 is a schematic structural view of an expansion pipe 110 of a connection assembly for a suspended ceiling for interior decoration according to this embodiment, as shown in fig. 4 and 6, the expansion pipe 110 includes a pipe body 111 disposed in the first catching groove 420, and a second screw through hole 113 aligned with and penetrating through the first screw through hole 430 is formed on a top surface of the pipe body 111; the bottom of the tube 111 extends into the mounting hole 240, and a lateral buckling position 114 extending horizontally into the side wall of the mounting hole 240 is disposed on the side surface of the bottom of the tube 111 to hook the back plate 210 of the plate 200 upward.

Fig. 7 is a schematic structural view of the pin body 120 of the connection assembly of the suspended ceiling for interior decoration according to the embodiment, as shown in fig. 4 and 7, the pin body 120 is clamped in the tube body 111, the pin body 120 presses the expansion tube 110 and presses the fastening position 114 in the plate body 200, and the pin body 120 is further provided with a third screw through hole 123 aligned with and penetrating through the second screw through hole 113.

Further, the buckling position 114 is disposed along the circumferential direction of the tube 111, and the buckling position 114 is gradually narrowed from top to bottom along the axial direction of the tube 111. In this embodiment, the cross-sectional shape of the fastening portion 114 is triangular, so that the tube 111 can be inserted between the pin 120 and the mounting hole during installation and has a larger contact surface with the back plate.

The first screw 130 penetrates through the first screw through hole 430, the second screw through hole 113 and extends into the third screw through hole 123, and the plate body 200 is screwed between the fastening position 114 and the back-mounted keel 400, so that the plate body 200 is fixed on the back-mounted keel 400.

Specifically, in the installation process, when the first screw 130 is locked, the pin body 120 moves upward and presses against the inner side wall of the expansion pipe 110 upward and to both sides, so that the fastening position 114 presses the back plate 210 of the plate body 200 upward, and the back plate 210 is clamped between the fastening position 114 on the outer side of the expansion pipe 110 and the back keel 400, thereby realizing the reliable connection between the back plate 210 and the back keel 400.

Further, a flange 115 protruding toward the middle of the pipe body 111 is provided on an inner wall surface of the middle of the pipe body 111, and the flange 115 is in interference fit with the pin body 120. Specifically, only the flange 115 is in interference fit with the pin body 120, rather than the interference fit between the inner wall surface of the whole tube 111 and the pin body 120, so that friction force can be reduced, and the pin body 120 can be moved upwards more easily when the first screw 130 is locked.

Further, the notch of the first catching groove 420 of the back-mounted keel 400 is connected with a first interference surface 440 extending sideward to interfere with the back plate 210 at both sides of the mounting hole 240.

Further, as shown in fig. 6, the expansion tube 110 includes at least two tube bodies 111, and two adjacent tube bodies 111 are connected by a connecting body 112, so that the expansion tube 110 is prevented from rotating when the first screw 130 is screwed. Specifically, in this embodiment, the connecting body is connected to the top surfaces of the pipe bodies and is kept flush with the top surfaces of the pipe bodies, when the expansion pipe 110 has two pipe bodies 111, the expansion pipe 110 is double-headed, when the expansion pipe 110 has more than two pipe bodies 111, the expansion pipe 110 is multi-headed, and the expansion pipe 110 is designed to be a double-headed or multi-headed structure, so that the expansion pipe can be prevented from rotating when the first screw 130 is locked or loosened, and meanwhile, the contact area between the buckling position 114 of the expansion pipe 110 and the back plate 210 is increased, thereby enabling the connection to be more reliable.

Further, as shown in fig. 6, a side surface of the bottom of the tube 111 is provided with a fork 115 for providing elasticity. Specifically, the bottom port of the tube 111 is recessed toward the tube 111 to form the slit 115, and the opening size of the slit 115 is gradually reduced from the bottom port of the tube 111 toward the middle of the tube 111. The slit 115 provides a certain elasticity to the bottom of the tubular body 111, thereby facilitating the pressing of the expansion tube 110 into the mounting hole 240 of the back plate.

Further, as shown in fig. 7, the pin body 120 includes a top section 121 for opening the third screw through hole 123, and a cross-sectional shape of the top section 121 is a polygon. Specifically, the cross-sectional shape of the tube 111 is circular, and the cross-sectional shape of the top segment 121 is polygonal (for example, in the embodiment, the cross-sectional shape of the top segment 121 is octagonal) so as to prevent the pin 120 from rotating when the screw is locked, thereby making the connection more reliable. And the flange 115 is an interference fit with the top section 121.

Further, as shown in fig. 7, the pin body 120 further includes a bottom section 122 for abutting the fastening position 114 in the mounting hole 240, and an outer edge of a side of the bottom section 122 exceeds an outer edge of a side of the top section 121. In this embodiment, the bottom section 122 is a circular truncated cone, and the small end of the circular truncated cone is connected to the top section. In this way, the pin 120 is moved upward to gradually press the bottom section 122 against the fastening position 114.

Specifically, the outer edge of the side surface of the bottom section 122 exceeds the outer edge of the side surface of the top section 121, when the first screw 130 is locked, the pin body 120 moves upward, the bottom section 122 enters the tube body 111 along the trend and presses against the inner side wall of the expansion tube 110, so that the fastening position 114 presses the back plate 210 of the plate body 200 upward, and the back plate 210 is clamped between the fastening position 114 on the outer side of the expansion tube 110 and the back keel 400, thereby realizing the reliable connection between the back plate 210 and the back keel 400. In addition, the bottom section 122 of the pin body 120 is a truncated cone, which facilitates the pin body 120 to gradually abut against the fastening position 114 in the process of moving upwards.

In summary, the connection assembly of the ceiling structure of the panel body for interior decoration provided by the embodiment is completely different from the existing mainstream installation structure, and by innovating the unique structures of the expansion pipe 110 and the pin body 120, the connection assembly can be quickly and reliably connected with the thin back plate (aluminum back plate) of the panel body 200 (generally, an aluminum honeycomb composite plate), so that the installation difficulty of the panel body 200 is greatly reduced, and the installation efficiency is improved. Therefore, the coupling assembling of furred ceiling for interior decoration the embodiment of this application solve and lack among the prior art can realize reliable, quick and adjustable position's connecting piece's technical problem with the plate body, realized very big reduction plate body 300 the installation degree of difficulty, improved the installation effectiveness, connect reliable and adjustable position's beneficial effect.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

(1) the coupling assembling of a panel body furred ceiling structure for interior decoration that this embodiment provided is totally different with current mainstream mounting structure, through the unique structure of innovative design expansion pipe 110 and round pin body 120, can produce reliable and fast and be connected with the thinner backplate (aluminium backing plate) of panel body 200 (generally for aluminium honeycomb composite sheet), very big reduction the installation degree of difficulty of panel body 200, and improved the installation effectiveness. Therefore, the coupling assembling of furred ceiling for interior decoration the embodiment of this application solve and lack among the prior art can realize reliable, quick and adjustable position's connecting piece's technical problem with the plate body, realized very big reduction plate body 300 the installation degree of difficulty, improved the installation effectiveness, connect reliable and adjustable position's beneficial effect.

(2) In the present embodiment, the expansion tube 110 and the pin body 120 are mutually matched, when the first screw 130 is locked, the pin body 120 moves upward and presses against the inner side wall of the expansion tube 110 upward to both sides, so that the fastening position 114 presses the back plate 210 of the plate body 200 upward, and the back plate 210 is clamped between the fastening position 114 outside the expansion tube 110 and the back keel 400, thereby realizing reliable connection between the back plate 210 and the back keel 400.

(3) The expansion tube 110 of this embodiment is designed as a double-head or multi-head structure, which can prevent the expansion tube from rotating when the first screw 130 is locked or loosened, and increase the contact area between the buckling position 114 of the expansion tube 110 and the back plate 210, thereby making the connection more reliable.

(4) In this embodiment, the side surface of the bottom of the tube body 111 is provided with a fork 115 for providing elasticity, and the fork 115 makes the bottom of the tube body 111 have certain elasticity, so that the expansion tube 110 is conveniently pressed into the mounting hole 240 of the back plate.

(5) The pin body 120 of this embodiment includes a top section 121 for forming the third screw through hole 123, and the cross-sectional shape of the top section 121 is polygonal, and since the cross-sectional shape of the tube body 111 is circular, the pin body 120 can be effectively prevented from rotating when the screw is locked, so that the connection is more reliable.

(6) The outer edge of the side surface of the bottom section 122 exceeds the outer edge of the side surface of the top section 121, when the first screw 130 is locked, the pin body 120 moves upwards, the bottom section 122 enters the tube body 111 along the trend and presses against the inner side wall of the expansion tube 110, so that the fastening position 114 presses the back plate 210 of the plate body 200 upwards, and the back plate 210 is clamped between the fastening position 114 on the outer side of the expansion tube 110 and the back keel 400, thereby realizing the reliable connection of the back plate 210 and the back keel 400. In addition, the bottom section 122 of the pin body 120 is a truncated cone, which facilitates the pin body 120 to gradually abut against the fastening position 114 in the process of moving upwards.

Example two

The difference between this embodiment and the first embodiment is: the coupling assembling cooperate with the back assembled patchwork keel 500 to realize the connection of the board body 200 and the main keel 300.

Fig. 8 is an enlarged view of a structure at B in fig. 1, fig. 8 is a second schematic structural view of a connecting portion constructed by the connecting assembly of the suspended ceiling for interior decoration, fig. 9 and 10 are an exploded view and a perspective view of the connecting portion constructed by the connecting assembly of the suspended ceiling for interior decoration according to the present embodiment, respectively, and fig. 11 is an exploded view of a back-mounted patchwork keel 500 matched with the connecting assembly of the suspended ceiling for interior decoration according to the present embodiment. As shown in fig. 8 to 11, the back-assembled patchwork keel 500 includes a second insert 510, a second catching groove 520 and a pressing member 550.

A second expansion plug 511 is connected to the top end of the second plug-in unit 510, and the second expansion plug 511 extends vertically upwards to be clamped into the expansion plug cavity 315 through the plug passage 316; one side of the top of the second catching groove 520 is connected with the bottom end of the second plug-in unit 510, the notch of the second catching groove 520 is open downward, the bottom of the second catching groove 520 is upward, and a fourth screw through hole 530 is formed on the bottom of the second catching groove 520; the pressing member 550 is disposed at one side of the second fastening groove 520 and extends horizontally, the pressing member 550 is located below the second plug-in unit 510, and the bottom surface 560 of the pressing member 550 is connected with the notch at one side of the second fastening groove 520 and is flush with the notch of the second fastening groove 520, so as to synchronously abut downwards on the back plate 210 of the plate body 200.

Further, the outer side of the second expansion plug 511 is a plane, so as to be inserted into the expansion plug cavity 315 through the plug passage 316, the convex structure of the inner side of the second expansion plug 511, which is small at the top and large at the bottom, is also convenient to be inserted into the expansion plug cavity 315 through the plug passage 316, and the widest part of the second expansion plug 511 is wider than the plug passage 316, so as to prevent the second expansion plug 511 from slipping out of the expansion plug cavity 315.

Further, the notch on the other side of the second slot 520 extends horizontally to two side edges to form a second contact surface 540 contacting with the back plate 210 on two sides of the mounting hole 240, and the second contact surface 540 is flush with and connected to the bottom surface 560 of the pressing member 550 so as to be attached to the back plate 210 of the plate body 200.

Back of the body dress piece seam fossil fragments 500 concatenation is adjacent two the concrete connection structure of plate body 200 is: two adjacent plate bodies 200 are respectively connected with one back assembling abutted seam keel 500, and the two back assembling abutted seam keels 500 are symmetrically arranged about the abutted seams of the two adjacent plate bodies 200, wherein the second catching grooves 520 of the two back assembling abutted seam keels 500 are respectively connected with the two plate bodies 200 through the connecting assembly 100; the second expansion plugs 511 of the two back-mounted abutted seam keels 500 are clamped into the same expansion socket 315 located above; the pressing pieces 550 of the two back assembled tailor keels 500 are adjacent to each other and abut against the back plate 210 of the plate body 200 downward to keep the plate body 200 horizontal.

Further, as shown in fig. 8, a seam beautifying decorative strip 250 is further disposed between two adjacent plate bodies 200, a plug capable of being hung on a seam between two adjacent plate bodies 200 is disposed at one end of the seam beautifying decorative strip 250, and the other end of the seam beautifying decorative strip 250 is screwed on the panel 220 through a nut.

Various modifications and specific examples of the connecting assembly of an interior ceiling of the first embodiment are also applicable to the connecting assembly of an interior ceiling of the second embodiment, and the connecting assembly of an interior ceiling of the first embodiment is clearly known to those skilled in the art from the foregoing detailed description of the connecting assembly of an interior ceiling, and therefore, for the sake of brevity of description, detailed description thereof is omitted here.

EXAMPLE III

In the foregoing embodiment, the mounting steps of the connecting assembly connecting the plate body and the main keel are as follows:

step 10, installing the top main keel 300, specifically:

fixedly connecting the main keel 300 positioned at the uppermost layer with a top wall 910 through a hanging rod 711, installing the clamping part 310 at a corresponding position on the main keel 300, and installing an edge inserting and closing strip 820 on a side wall 920;

step 20, installing the suspended ceiling layer of the first layer, specifically:

step 21: drilling the mounting hole 240 in the back plate 210 of the plate body 200, as shown in fig. 12;

specifically, when two mounting holes 240 are drilled in the back plate 210 of the plate body 200, a distance a between the mounting holes 240 and the edge of the back plate 210 and a hole distance b between the two mounting holes 240 are ensured by a drilling jig, as shown in fig. 13.

Step 22: placing the pins 120 into the mounting holes 240 in sequence, as shown in fig. 14;

step 23: pressing the tubular bodies 111 of the expansion pipes 110 into the mounting holes 240 one by one, as shown in fig. 15;

step 24: the back-mounted keel 400 is used in the middle of the plate body 200, and the back-mounted abutted seam keel 500 is used on the side surface of the plate body 200 connected with the vertical plate 700 and at the joint part of the adjacent plate body 200; sleeving the first catching grooves 420 of the back-assembled keel 400 or the second catching grooves 520 of the back-assembled splice keel 500 into the corresponding tube bodies 110 of the expansion tubes 110 one by one, as shown in fig. 16 and 17;

step 25: inserting the first screw 130 into the back-assembled keel 400 and the corresponding expansion tube and pin body, and inserting the first screw 130 into the back-assembled patchwork keel 500 and the corresponding expansion tube and pin body; tightening the first screw, the pin body moving upwards and pressing against the expansion pipe, thereby clamping the back plate 210 of the plate body 200 between the buckling position on the outer side of the expansion pipe 120 and the back-mounted keel or the back-mounted patchwork keel, and further connecting the plate body 200 with the back-mounted keel or the back-mounted patchwork keel, as shown in fig. 18 and 19;

step 26: the first insert 410 of the back-pack keel 400 and the second insert 510 of the back-pack patchwork keel 500 are inserted into the mating expansion insertion cavities 315.

It should be understood that terms of orientation such as outer, middle, inner, etc., referred to or as may be referred to in this specification are defined relative to the configuration shown in the drawings and are relative terms, such that the terms may be changed correspondingly according to the position and the use state of the terms. Therefore, these and other directional terms should not be construed as limiting terms.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; moreover, any equivalent alterations, modifications and variations of the above-described embodiments according to the spirit and techniques of this application are intended to be within the scope of the claims of this application.

Claims (10)

1. A connecting component of a suspended ceiling for interior decoration comprises a plate body and a keel, wherein a first connecting port is formed in the keel; the plate body includes backplate and panel, the mounting hole has been seted up on the backplate, coupling assembling be used for with the backplate of plate body with fossil fragments link to each other, its characterized in that, coupling assembling include:

the expansion pipe comprises a pipe body, and a second connecting port which is aligned with and communicated with the first connecting port is arranged on the top surface of the pipe body; the bottom of the pipe body extends into the mounting hole, and a buckling position which laterally extends into the side wall of the mounting hole is arranged on the side surface of the bottom of the pipe body so as to upwards extrude the back plate;

the pin body is clamped in the pipe body, the bottom of the pin body extrudes the expansion pipe and tightly presses the buckling position against the back plate, and a third connecting port which is aligned with and communicated with the second connecting port is further arranged on the pin body;

retaining member, retaining member run through first connector the second connector extends to in the third connector, will fossil fragments the expansion pipe with the cotter body locking is fixed, the backplate of plate body is fixed in the knot position of expansion pipe with between the fossil fragments.

2. A connecting member of a suspended ceiling for interior decoration according to claim 1, wherein: the retaining member be the screw, first connector the second connector with the third connector is first screw via hole, second screw via hole and third screw via hole respectively, the screw runs through first screw via hole the second screw via hole extends to in the third screw via hole, and will the backplate of plate body is locked the expansion pipe detain the position with between the fossil fragments.

3. A connecting member of a suspended ceiling for interior decoration according to claim 1, wherein: and a fork opening for providing elasticity is formed in the side surface of the bottom of the pipe body.

4. A connecting member for a suspended ceiling for interior decoration according to claim 3, wherein: the opening size of the fork mouth gradually decreases from the bottom port of the pipe body to the middle of the pipe body.

5. A connecting member of a suspended ceiling for interior decoration according to claim 1, wherein: the buckling positions are arranged along the circumferential direction of the pipe body, and the buckling positions are gradually narrowed from top to bottom along the axial direction of the pipe body.

6. A connecting member for a suspended ceiling for interior decoration according to claim 2, wherein: the expansion pipe comprises at least two pipe bodies used for preventing the expansion pipe from rotating along with the screw, and the adjacent pipe bodies are connected through a connecting body.

7. A connecting member of a suspended ceiling for interior decoration according to claim 1, wherein: the cross section shape of the pipe body of the expansion pipe is circular, a flange protruding towards the middle of the pipe body is arranged on the inner wall of the pipe body, and the flange is in interference fit with the top section.

8. A connecting member for a suspended ceiling for interior decoration according to claim 7, wherein: the pin body comprises the top section and the bottom section, the cross section of the top section is polygonal for preventing the pin body from rotating in the expansion pipe, and the cross section of the bottom section is circular.

9. A connecting member for a suspended ceiling for interior decoration according to claim 8, wherein: the outer edge of the side face of the bottom section of the pin body exceeds the outer edge of the side face of the top section of the pin body, so that the buckling position is outwards abutted against the mounting hole.

10. A connecting member for a suspended ceiling for interior decoration according to claim 9, wherein: the bottom section of the pin body is a circular truncated cone, and the small end of the circular truncated cone is connected with the top section.

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