CN220117571U - C-shaped keel, U-shaped keel, L-shaped keel, corner connecting piece and suspended ceiling supporting structure - Google Patents

Abstract

The utility model relates to a C-shaped keel, a U-shaped keel, an L-shaped keel, a corner connecting piece and a suspended ceiling supporting structure, and belongs to the technical field of suspended ceiling decoration. The cross section of the plate body of the C-shaped keel is C-shaped, a bottom plate of the C-shaped keel is provided with 3 bosses along the length direction, a plurality of connecting holes are uniformly distributed on one boss in the middle of the C-shaped keel, a plurality of countersunk holes are correspondingly formed in a side plate body of the U-shaped side keel and a side plate body of the L-shaped side keel respectively along the respective length direction, and after the C-shaped keel, the U-shaped side keel and the L-shaped keel are assembled, the C-shaped keel, the U-shaped side keel and the L-shaped keel are directly connected and fixed through the respective holes to form a suspended ceiling supporting structure, so that the construction efficiency of the keel supporting structure in suspended ceiling decoration is greatly improved.

Description

C-shaped keel, U-shaped keel, L-shaped keel, corner connecting piece and suspended ceiling supporting structure

Technical Field

The utility model relates to the technical field of support keels for indoor ceiling decoration, in particular to a C-shaped keel, a U-shaped keel, an L-shaped keel and a ceiling support structure.

Background

In the interior decoration construction process, the support structure for decoration needs to be manufactured by keels, the support structure is generally composed of side keels (connecting walls), transverse support keels, vertical support keels, corner keels and corner connectors (used for butting the transverse and vertical support keels), the transverse and vertical support keels are respectively connected with the walls and the roof through the side keels, the corner connectors are used for vertical butting of the transverse and vertical support keels, the corner connectors of the butting parts are connected into a whole by the corner keels to form a complete and stable support structure, and then decoration plates are installed on the keel support structure.

All side keels, transverse support keels, vertical support keels, angle keels and the like used by the existing keel support structure are basically not provided with pre-punching holes. The on-site assembly type needs to design the dosage of horizontal and vertical support keels and the connection positions of the side keels and the angle keels according to the demands of paying-off and supporting strength, and after the design is finished, the assembly connection positions of the keels are drilled by hand, and then the assembled keels are connected and fixed by rivets.

In addition, the current fossil fragments of present can be in the outside of fossil fragments plate body at the complete back of equipment, and when carrying out the decorative board installation, because the existence of rivet makes decorative board unable and fossil fragments closely laminating contact, especially be close to decorative board (like gypsum board) of rivet, can be pressed against the garrulous by the rivet, cause decorative board installation back roughness poor, it is unsightly, influence fitment quality.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model designs the C-shaped keel, the U-shaped keel, the L-shaped keel and the suspended ceiling supporting structure formed by the C-shaped keel, the U-shaped keel and the L-shaped keel which are matched for application, so as to solve the problems that the perforating operation is time-consuming and labor-consuming in the assembly process of the traditional keel supporting structure, and the decorative plate cannot be completely attached to the keel plate after the rivet connection and fixation.

The utility model discloses a C-shaped keel, wherein the cross section of a plate body of the C-shaped keel is C-shaped, 3 bosses protruding towards the inner side surface of the plate body are arranged on a bottom plate of the C-shaped keel along the length direction, and a plurality of connecting holes are uniformly distributed on one boss in the middle of the boss.

Furthermore, the two bosses on the two sides of the bottom plate are respectively formed by a plurality of square small bumps arranged along the length direction of the plate body.

Furthermore, the utility model also discloses a U-shaped keel matched with the U-shaped keel as an edge keel, the U-shaped keel comprises a left side plate, a right side plate and a bottom plate which are integrally bent and formed, a plurality of countersunk connecting holes are uniformly distributed on the left side plate along the length direction of the left side plate, the aperture of each countersunk connecting hole is the same as that of the connecting hole on the C-shaped keel, and each countersunk connecting hole is formed by protruding inwards from the outer side face of the plate body.

Further, the width of the left side plate is larger than that of the right side plate, and the top end of the plate body of the right side plate is tilted outwards.

Furthermore, the utility model also discloses an L-shaped keel matched with the L-shaped keel as an angle keel, wherein a plurality of countersunk head mounting holes are uniformly distributed on two side plate bodies of the L-shaped keel along the length direction of the L-shaped keel respectively, the aperture of each countersunk head mounting hole is the same as that of a connecting hole on the C-shaped keel, and each countersunk head mounting hole is formed by protruding from the outer side to the inner side of the plate body.

Furthermore, the utility model also discloses a corner connecting piece matched with the corner connecting piece, the corner connecting piece is in a right angle shape, the corner connecting piece is provided with two mutually perpendicular U-shaped platy connecting parts, the bottom plates of the two connecting parts are respectively inwards formed with bulges, the heights of the bulges are the same as the widths and the heights of the three bosses, the bulges are provided with a plurality of butt joint holes, and the pore diameters of the butt joint holes are the same as those of the connecting holes.

The utility model discloses a suspended ceiling supporting structure of a linear stacking suspended ceiling system, which consists of a first side keel, a second side keel, a plurality of transverse supporting keels, a plurality of vertical supporting keels, a plurality of L-shaped corner keels and a plurality of corner connectors, wherein the transverse supporting keels and the vertical supporting keels are the same in number and are vertically arranged, one ends of the transverse supporting keels are connected through the first side keel, one ends of the vertical supporting keels are connected through the second side keel, the other ends of the transverse supporting keels and the vertical supporting keels are vertically butted through the corner connectors, the transverse supporting keels and the vertical supporting keels are C-shaped keels as described above, the first side keels and the second side keels are U-shaped keels as described above, the L-shaped corner keels are L-shaped keels as described above, the corner connectors are connected and fixed through rivets passing through corresponding connecting holes, and the two connectors are respectively spliced in C-shaped grooves of the transverse supporting keels and the vertical supporting keels and are respectively connected and fixed through the rivets at the outer sides of the L-shaped keels through the connectors.

The utility model further discloses a suspended ceiling supporting structure of the light trough suspended ceiling system, the suspended ceiling supporting structure is composed of a first side keel, a second side keel, a plurality of transverse supporting keels, a plurality of vertical supporting keels and a plurality of corner connectors, the quantity of the transverse supporting keels is the same as that of the vertical supporting keels, the vertical supporting keels are vertically arranged, one ends of the transverse supporting keels are connected through the first side keel, one ends of the vertical supporting keels are connected through the second side keel, the other ends of the vertical supporting keels are vertically butted in the middle of the transverse supporting keels through corner connectors, the other ends of the transverse supporting keels are connected through L-shaped keels or U-shaped keels, the transverse supporting keels and the vertical supporting keels are the U-shaped keels as described above, the L-shaped keels are the L-shaped keels as described above, the corner connectors are the corner connectors as described above, two notches are symmetrically formed in the positions of the reverse folding plates of the tops of the corresponding C-shaped keels at two sides of one connecting part of the corner connectors, the left side keels are in contact with the C-shaped keels through the bottom plates and pass through the corresponding C-shaped keels, the C-shaped keels are also fixedly connected through the corresponding rivets in the two side plates and pass through the corresponding C-shaped rivets and are respectively connected in the corresponding grooves.

The utility model also discloses a suspended ceiling supporting structure of the suspended ceiling system of the curtain box, which consists of a first side keel, a second side keel, a plurality of first transverse supporting keels, a second transverse supporting keels, vertical supporting keels, L-shaped angle keels and a plurality of corner connecting pieces, wherein the first transverse supporting keels calculate specific numbers and intervals according to the specific weight of the suspended objects, the second transverse supporting keels and the vertical supporting keels are the same in number and are vertically arranged, one ends of the first transverse supporting keels are connected through the first side keels, one ends of the vertical supporting keels are connected through the second side keels, the other ends of the first transverse supporting keels are connected through U-shaped keels and vertically butted in the middle of the vertical supporting keels, the other end of a plurality of vertical support keels is through the perpendicular butt joint of the one end of corner connecting piece and the horizontal support fossil fragments of second, first horizontal support fossil fragments, the horizontal support fossil fragments of second and vertical support fossil fragments are C type fossil fragments as above, first limit fossil fragments, second limit fossil fragments and U type fossil fragments are U type fossil fragments as above, corner connecting piece is the corner connecting piece as above, L type angle fossil fragments are L type fossil fragments as above, the left side board of U type fossil fragments contacts with the bottom plate of C type fossil fragments to pass corresponding connecting hole through the rivet and connect fixedly, two connecting pieces of corner connecting piece are pegged graft respectively in horizontal, the C type groove of vertical support fossil fragments, and connect fixedly through the rivet respectively, L type fossil fragments connect in the outside of corner connecting piece, and connect fixedly through the rivet.

The utility model also discloses a suspended ceiling supporting structure for the central air-conditioning suspended ceiling system and the false beam suspended ceiling system, the suspended ceiling supporting structure is composed of a first side keel, a second side keel, a plurality of transverse supporting keels, a plurality of first vertical supporting keels, a plurality of second vertical supporting keels, a first L-shaped keel, a second L-shaped keel and a plurality of corner connecting pieces, the numbers of the transverse supporting keels, the first vertical supporting keels and the second vertical supporting keels are the same, one ends of the first vertical supporting keels are connected through the first side keels, one ends of the second vertical supporting keels are connected through the second side keels, two ends of the transverse supporting keels are vertically butted with the other ends of the first vertical supporting keels and the second vertical supporting keels through the corner connecting pieces respectively, and connect into a whole through first L type fossil fragments and second L type fossil fragments respectively, horizontal support fossil fragments, first vertical support fossil fragments and second vertical support fossil fragments are C type fossil fragments as above, first limit fossil fragments and second limit fossil fragments are U type fossil fragments as above, the corner connecting piece is the corner connecting piece as above, first L type fossil fragments and second L type fossil fragments are L type fossil fragments as above, the left side board of U type fossil fragments contacts with the bottom plate of C type fossil fragments to pass corresponding connecting hole through the rivet and connect fixedly, two connecting pieces of corner connecting piece are pegged graft respectively in horizontal, vertical support fossil fragments's C type groove, and connect fixedly through the rivet respectively, L type fossil fragments connect in the outside of corner connecting piece, and connect fixedly through the rivet.

Compared with the prior art, the improvement of the C-shaped keel, the U-shaped keel, the L-shaped keel and the suspended ceiling supporting structure disclosed by the utility model is that: the bottom plate of the C-shaped keel is provided with the boss, a plurality of connecting holes are formed in one boss in the middle, the U-shaped keel and the L-shaped keel which are matched with the boss are provided with countersunk connecting holes protruding inwards, when the boss is combined with the C-shaped keel, firstly, as all the keels are provided with the connecting holes in advance, when in site construction, the keels are combined only by selecting the connecting holes with proper positions, then, the rivet is directly used for penetrating through the pre-opened connecting holes to be connected and fixed, the site opening operation is omitted, the construction efficiency is greatly improved, and the assembly construction efficiency of the supporting structure of various suspended ceiling systems by referring to the keels disclosed by the patent can be improved by 3-5 times through site construction measurement and calculation; moreover, the U-shaped keels and the L-shaped keels used as the side keels and the corner keels are all countersunk holes, the protruding parts of the countersunk holes measured in the plate body can be completely clamped in the grooves formed on the back of the plate body like the boss of the C-shaped keel bottom plate, after the rivet is connected, the stop heads at the end parts of the rivet can sink into the connecting holes and cannot be exposed on the surface of the plate body, the flatness of the surface of the keel plate body is guaranteed, and the fitting degree and the decoration quality of the installation of the decorative plate are improved. The bottom plate of the corner connecting piece is provided with a bulge, the bulge also forms a wide groove on the back side of the plate body, after the bulge is inserted into the C-shaped keel, the 3 bosses on the bottom plate of the C-shaped keel can be clamped into the grooves on the back of the corner connecting piece, after the bulge and the boss are connected by anchoring, the blocking heads of the rivets can be sunk into the grooves on the back side of the boss of the C-shaped keel, and the outer side surface of the keel plate cannot be higher.

Drawings

Fig. 1 is a schematic view of the bottom view of the C-shaped keel.

Fig. 2 is a schematic side view of a C-shaped keel.

Fig. 3 is a schematic elevational view of the U-shaped keel.

Fig. 4 is a schematic side view of a U-shaped keel.

Fig. 5 is a schematic elevational view of the L-shaped keel.

Fig. 6 is a schematic side view of an L-shaped keel.

Fig. 7 is a schematic elevational view of the corner connector.

Fig. 8 is a schematic side view of a corner connector.

FIG. 9 is a schematic side view of a ceiling support structure of a linear stacked ceiling system.

FIG. 10 is a schematic side view of a ceiling support structure of a troffer ceiling system.

Fig. 11 is a schematic side view of a ceiling support structure of a box curtain ceiling system.

FIG. 12 is a schematic side view of a ceiling support structure incorporating a central air conditioning ceiling system and a false beam ceiling system.

In the figure, a first side keel, a second side keel, a 3 transverse supporting keel, a 4 vertical supporting keel, a 5-L-shaped angle keel, a 6-U-shaped keel, a 7-corner connecting piece, an 8 first transverse supporting keel, a 9 second transverse supporting keel, a 10 first vertical supporting keel, an 11 second vertical supporting keel, a 12 first L-shaped keel, a 13 second L-shaped keel, a 101 boss, a 102 connecting hole, a 103 positive direction lug, a 201 left side plate, a 202 right side plate, a 203 bottom plate, a 204 countersunk head connecting hole, a 301 countersunk head mounting hole, a 401 connecting part, a 402 boss, a 403 butt joint hole and a 404 notch.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific examples. The technical solutions in the embodiments of the present utility model are clearly and completely described, and the described embodiments are only some embodiments, but not all embodiments, of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model disclosed herein without departing from the scope of the utility model.

Example 1

As shown in fig. 1 and 2, the present utility model designs an embodiment of a C-shaped keel, in which the C-shaped keel is integrally bent and formed, and the cross section of the plate body is C-shaped. 3 bosses 101 protruding towards the inner side surface of the plate body are arranged on the bottom plate of the C-shaped keel along the length direction, one boss 101 in the middle of the C-shaped keel is a smooth plate body protrusion, and two bosses on two sides are respectively formed by a plurality of square bumps 103 which are formed by punching and are arranged along the length direction of the plate body and are 8mm x and 8 mm.

Meanwhile, a plurality of connecting holes 102 are uniformly distributed and arranged on a boss 101 in the middle of the bottom plate along the length direction of the plate body.

Example 2

As shown in fig. 3 and 4, the present utility model designs an embodiment of a U-shaped keel, in which the U-shaped keel includes a left side plate 201, a right side plate 202 and a bottom plate 203 that are integrally bent and formed, wherein a plurality of countersunk connecting holes 204 are uniformly distributed on the left side plate 201 along the length direction thereof, and the countersunk connecting holes 204 are formed by stamping and protruding from the outer side to the inner side of the plate body. The countersunk attachment holes 204 have the same diameter as the attachment holes 102 in the C-shaped keels described in example 1.

In addition, the left side panel 201 of the U-shaped keel is wider than the right side panel 202. The plate body top of the right side plate 202 is tilted outwards, so that the C-shaped keels can be quickly inserted into the U-shaped grooves of the U-shaped keels when being assembled with the C-shaped keels.

Example 3

As shown in fig. 5 and 6, the present utility model designs an embodiment of an L-shaped keel, in this embodiment, a plurality of countersunk mounting holes 301 are uniformly distributed on two side plate bodies of the L-shaped keel along the length direction of the two side plate bodies, and the countersunk mounting holes 301 are formed by stamping and protruding from the outer side surface to the inner side surface of the plate body. The bore diameter of the counter mount hole 301 is the same as the bore diameter of the attachment hole 102 on the C-shaped keel as described in example 1.

Example 4

As shown in fig. 7 and 8, the present utility model provides an embodiment of a corner connector, in which the corner connector is rectangular, and is formed by integrally stamping and bending a metal plate, and has two mutually perpendicular U-shaped plate-shaped connecting portions 401, wherein the bottom plates of the two connecting portions 401 respectively form protrusions 402 inward, and the protrusions 402 are disposed along the length direction of the plate body.

The height of the protrusion 402 is the same as the overall width and height of the three bosses 101 of the C-shaped keel described in embodiment 1, the connecting portion 401 of the corner connector can be fit into the C-shaped keel, and the 3 bosses of the C-shaped keel can be snapped into the grooves of the connecting portion 401 on the back side of the protrusion 402.

The two connecting parts 401 of the corner connecting piece are respectively provided with a series of butt-joint holes 403 which are formed by a plurality of perforations along the central line of the bulge 402 of the bottom plate, and the aperture of each perforation of the butt-joint holes 403 is the same as that of the connecting hole 102 of the C-shaped keel in the embodiment 1.

In addition, the two connecting parts 401 of the corner connecting piece are respectively provided with three independent oval perforations along the width direction of the respective floors at the bending connection parts near the two connecting parts. The two sides of the bottom plate of the connecting part at one side are respectively provided with a notch 404 at the bending connecting part near the two sides, and the positions of the notches 404 correspond to the positions of the reverse bending plates at the top ends of the two side plates of the C-shaped keel in the embodiment 1.

Example 5

As shown in fig. 9, the present utility model discloses an embodiment of a ceiling supporting structure of a linear stacking ceiling system, where the ceiling supporting structure is composed of a first side keel 1, a second side keel 2, a plurality of transverse supporting keels 3, a plurality of vertical supporting keels 4, an L-shaped angle keel 5 and a plurality of corner connectors 7.

The quantity of horizontal support fossil fragments 3 is the same with vertical support fossil fragments 4, sets up perpendicularly, and the one end of a plurality of horizontal support fossil fragments 3 is connected with the wall body through first limit fossil fragments 1, and the one end of a plurality of vertical support fossil fragments 4 is connected with the roof through second limit fossil fragments 2, and the other end of horizontal support fossil fragments 3 and vertical support fossil fragments 4 is through the perpendicular butt joint of corner connecting piece 7.

The transverse support keels 3 and the vertical support keels 4 in this embodiment are C-shaped keels as described in embodiment 1, the first side keels 1 and the second side keels 2 are U-shaped keels as described in embodiment 2, the L-shaped angle keels 5 are L-shaped keels as described in embodiment 3, and the corner connectors 7 are corner connectors as described in embodiment 4.

During assembly, the left side plate of the U-shaped keel forming the side keel is contacted with the bottom plate of the C-shaped keel forming the horizontal and vertical support keels, and the left side plate is fixedly connected through the corresponding connecting holes by rivets, and the stop heads of the rivets can sink into the countersunk connecting holes of the U-shaped keels after the rivet is fixed. The two connecting parts of the corner connecting piece are respectively inserted into the C-shaped grooves of the transverse support keel and the vertical support keel and are respectively connected and fixed through rivets. The L-shaped keels are connected to the outer sides of the corner connecting pieces and are connected into a whole, the L-shaped keels are connected and fixed through rivets, and the stop heads of the rivets after the fixing can sink into countersunk mounting holes of the L-shaped keels.

Example 6

As shown in fig. 10, the present utility model discloses an embodiment of a suspended ceiling supporting structure of a suspended ceiling system with a light trough, wherein the suspended ceiling supporting structure in this embodiment is composed of a first edge keel 1, a second edge keel 2, a plurality of transverse supporting keels 3, a plurality of vertical supporting keels 4 and a plurality of corner connectors 7.

The quantity of horizontal support fossil fragments 3 is the same with the vertical support fossil fragments 4, sets up perpendicularly, and the one end of a plurality of horizontal support fossil fragments 3 is connected with the wall body through first limit fossil fragments 1, and the one end of a plurality of vertical support fossil fragments 4 is connected with the roof through second limit fossil fragments 2. The other ends of the vertical support keels 4 are vertically butted in the middle of the transverse support keels 3 through corner connectors 7, and the other ends of a plurality of transverse support keels 3 are connected through L-shaped angle keels 5.

In this embodiment, the transverse supporting keels 3 and the vertical supporting keels 4 are C-shaped keels as described in embodiment 1, the first side keels 1 and the second side keels 2 are U-shaped keels as described in embodiment 2, the L-shaped angle keels 5 are L-shaped keels as described in embodiment 3, and the corner connectors are corner connectors as described in embodiment 4. One connecting part of the corner connecting piece 7 is clamped in the transverse supporting keel 3, and the reverse folding plates at the top ends of the two side plates of the transverse supporting keel 3 are respectively clamped in the notches at two sides of the other connecting part of the corner connecting piece 7.

During assembly, the left side plate of the U-shaped keel forming the side keel is contacted with the bottom plate of the C-shaped keel forming the horizontal and vertical support keels, and the left side plate is fixedly connected through the corresponding connecting holes by rivets, and the stop heads of the rivets can sink into the countersunk connecting holes of the U-shaped keels after the rivet is fixed. The two connecting parts of the corner connecting piece are respectively connected and fixed with the transverse and vertical support keels through rivets. The L-shaped keels are connected to the other ends of the transverse support keels 3, are connected into a whole, are fixedly connected through rivets, and the stop heads of the rivets after the fixing can sink into the countersunk head mounting holes of the L-shaped keels.

Example 7

As shown in fig. 11, the present utility model discloses an embodiment of a suspended ceiling supporting structure of a suspended ceiling system of a curtain box, wherein the suspended ceiling supporting structure in the embodiment is composed of a first side keel 1, a second side keel 2, a plurality of first transverse supporting keels 8, a second transverse supporting keel 9, a vertical supporting keel 4, an L-shaped angle keel 5 and a plurality of corner connectors 7.

The concrete quantity and interval are calculated according to the concrete weight of external object when first horizontal support fossil fragments 8 are designed, the quantity of second horizontal support fossil fragments 9 and vertical support fossil fragments 4 is the same, set up perpendicularly, the one end of a plurality of first horizontal support fossil fragments 8 is connected with the wall body through first limit fossil fragments 1, the one end of a plurality of vertical support fossil fragments 4 is connected with the roof through second limit fossil fragments 2, the other end of first horizontal support fossil fragments 8 is connected and vertically dock at the middle part of vertical support fossil fragments 4 through U type fossil fragments 6, the other end of a plurality of vertical support fossil fragments 4 is through the perpendicular dock of one end of corner connecting piece 7 and second horizontal support fossil fragments 9.

The first lateral support runner 8, the second lateral support runner 9 and the vertical support runner 4 are C-shaped runners as described in example 1, the first side runner 1, the second side runner 2 and the U-shaped runner 6 are U-shaped runners as described in example 2, the corner connectors are corner connectors as described in example 4, and the L-shaped corner runner 5 is an L-shaped runner as described in example 3.

During assembly, the left side plate of the U-shaped keel forming the side keel is contacted with the bottom plate of the C-shaped keel forming the horizontal and vertical support keels, and the left side plate is fixedly connected through the corresponding connecting holes by rivets, and the stop heads of the rivets can sink into the countersunk connecting holes of the U-shaped keels after the rivet is fixed. The two connecting parts of the corner connecting piece are respectively connected and fixed with the transverse and vertical support keels through rivets. The L-shaped keels are connected to the outer sides of the corner connecting pieces, are connected into a whole and are fixedly connected through rivets, and the stop heads of the rivets after the fixing can sink into countersunk head mounting holes of the L-shaped keels.

Example 8

As shown in fig. 12, the present utility model discloses an embodiment of a suspended ceiling supporting structure for a central air conditioner suspended ceiling system and a false beam suspended ceiling system, wherein the suspended ceiling supporting structure in the embodiment is composed of a first side keel 1, a second side keel 2, a plurality of transverse supporting keels 3, a plurality of first vertical supporting keels 10 and a plurality of second vertical supporting keels 11, a first L-shaped keel 12, a second L-shaped keel 13 and a plurality of corner connectors 7.

The number of the transverse supporting keels 3, the number of the first vertical supporting keels 10 and the number of the second vertical supporting keels 11 are the same, one ends of a plurality of first vertical supporting keels 10 are connected with a roof through a first side keel 1, one ends of a plurality of second vertical supporting keels 11 are connected with the roof through a second side keel 2, two ends of the transverse supporting keels 3 are respectively vertically butted with the other ends of the first vertical supporting keels 10 and the second vertical supporting keels 11 through corner connectors 7, and are respectively connected into a whole through a first L-shaped keel 12 and a second L-shaped keel 13.

In this embodiment, the transverse support runner 3, the first vertical support runner 10 and the second vertical support runner 11 are C-shaped runners as described in embodiment 1, the first side runner 1 and the second side runner 2 are U-shaped runners as described in embodiment 2, the corner connector 7 is a corner connector as described in embodiment 4, and the first L-shaped runner 12 and the second L-shaped runner 13 are L-shaped runners as described in embodiment 3.

During assembly, the left side plate of the U-shaped keel forming the side keel is contacted with the bottom plate of the C-shaped keel forming the horizontal and vertical support keels, and the left side plate is fixedly connected through the corresponding connecting holes by rivets, and the stop heads of the rivets can sink into the countersunk connecting holes of the U-shaped keels after the rivet is fixed. The two connecting parts of the corner connecting piece are respectively inserted into the C-shaped grooves of the transverse support keel and the vertical support keel and are respectively connected and fixed through rivets. The L-shaped keels are connected to the outer sides of the corner connecting pieces and are connected into a whole, the L-shaped keels are connected and fixed through rivets, and the stop heads of the rivets after the fixing can sink into countersunk mounting holes of the L-shaped keels.

The foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the utility model, i.e., all such modifications and variations are within the scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a C type fossil fragments, the plate body cross-section of C type fossil fragments is the C type, its characterized in that, be provided with 3 boss along length direction on the bottom plate of C type fossil fragments, the equipartition is arranged on one boss in the middle of it has a plurality of connecting holes.

2. The C-shaped keel according to claim 1, wherein the two bosses on the two sides of the bottom plate are respectively formed by a plurality of square small projections arranged along the length direction of the plate body.

3. The U-shaped keel comprises a left side plate, a right side plate and a bottom plate which are integrally bent and formed, and is characterized in that a plurality of countersunk connecting holes are uniformly distributed on the left side plate along the length direction of the left side plate, the aperture of each countersunk connecting hole is identical to that of the connecting hole on the C-shaped keel according to claim 1, and each countersunk connecting hole is formed by protruding inwards from the outer side face of the plate body.

4. A U-shaped keel according to claim 3, wherein the left side plate has a greater width than the right side plate, and wherein the top of the right side plate is tilted outwardly.

5. The utility model provides an L type fossil fragments, its characterized in that, a plurality of countersunk mounting holes have been arranged along its length direction equipartition respectively on the both sides board body of L type fossil fragments, countersunk mounting hole's aperture is the same with the aperture of the connecting hole on the C type fossil fragments of claim 1, countersunk mounting hole is formed by the outside of board body towards inboard arch.

6. The corner connecting piece is characterized in that the corner connecting piece is in a right angle shape, two mutually perpendicular U-shaped platy connecting parts are arranged, the bottom plates of the two connecting parts are respectively inwards formed with bulges, a plurality of butt joint holes are formed in the bulges, the heights of the bulges are the same as the widths and the heights of the three bosses in claim 1, and the pore diameters of the butt joint holes are the same as those of the connecting holes in claim 1.

7. The utility model provides a furred ceiling bearing structure, furred ceiling bearing structure is furred ceiling bearing structure of level furred ceiling system is folded to straight line, by first limit fossil fragments, second limit fossil fragments, a plurality of horizontal support fossil fragments and vertical support fossil fragments, L type angle fossil fragments and a plurality of corner connecting piece constitute, the quantity of horizontal support fossil fragments and vertical support fossil fragments is the same, perpendicular setting, and the one end of a plurality of horizontal support fossil fragments is connected through first limit fossil fragments, and the one end of a plurality of vertical support fossil fragments is connected through the second limit fossil fragments, the other end of horizontal support fossil fragments and vertical support fossil fragments is through the perpendicular butt joint of corner connecting piece, its characterized in that, horizontal support fossil fragments and vertical support fossil fragments are C type fossil fragments according to claim 2, first limit fossil fragments and second limit fossil fragments are U type fossil fragments according to claim 4, L type angle fossil fragments are L type fossil fragments according to claim 5, corner connecting piece is the corner connecting piece according to claim 6 the left side board of U type fossil fragments contacts with the bottom plate of C type fossil fragments to pass corresponding connecting hole through the rivet and connect fixedly, two corner connecting pieces are connected respectively in the C type fossil fragments, the perpendicular connection groove is connected through the fixed rivet respectively in the lateral connection, the C type is connected respectively.

8. The utility model provides a furred ceiling bearing structure, furred ceiling bearing structure is the furred ceiling bearing structure of light trough furred ceiling system, by first limit fossil fragments, second limit fossil fragments, a plurality of horizontal support fossil fragments and vertical support fossil fragments, a plurality of corner connecting piece constitute, the quantity of horizontal support fossil fragments and vertical support fossil fragments is the same, perpendicular setting, the one end of a plurality of horizontal support fossil fragments is connected through first limit fossil fragments, the one end of a plurality of vertical support fossil fragments is connected through the second limit fossil fragments, the other end of vertical support fossil fragments passes through the corner connecting piece and vertically docks at the middle part of horizontal support fossil fragments, and the other end of a plurality of horizontal support fossil fragments passes through L type angle fossil fragments or U type fossil fragments to be connected, its characterized in that, horizontal support fossil fragments and vertical support fossil fragments are C type fossil fragments as claim 2, first limit fossil fragments, second limit fossil fragments and U type fossil fragments are U type fossil fragments as claim 5, L type angle fossil fragments are as claim 5L type fossil fragments, corner connecting piece be as claim 6 corner connecting piece, the both sides of a connecting piece's of corner connecting piece are in the corresponding C type fossil fragments 1 turn over the corner connecting piece respectively the U type fossil fragments of turning over the type fossil fragments, C type fossil fragments respectively, the opposite to C type fossil fragments and C type side plate and the fixed connection through two side plate and C type fixed rivet, C type side plate and C type connecting piece are connected respectively, and C type side plate and C type fossil fragments are fixed respectively.

9. A suspended ceiling supporting structure of a suspended ceiling system of a curtain box comprises a first side keel, a second side keel, a plurality of first transverse supporting keels, a second transverse supporting keels, vertical supporting keels, L-shaped angle keels and a plurality of corner connectors, wherein the first transverse supporting keels calculate specific numbers and intervals according to specific weights of externally hung objects, the numbers of the second transverse supporting keels are the same with the number of the vertical supporting keels, the vertical arrangement is carried out, one ends of the first transverse supporting keels are connected through the first side keels, one ends of the vertical supporting keels are connected through the second side keels, the other ends of the first transverse supporting keels are connected through U-shaped keels and vertically butted in the middle of the vertical supporting keels, the other ends of the vertical supporting keels are vertically butted with one ends of the second transverse supporting keels through the corner connectors, the U-shaped corner connector is characterized in that the first transverse supporting keels, the second transverse supporting keels and the vertical supporting keels are C-shaped keels according to claim 2, the first side keels, the second side keels and the U-shaped keels are U-shaped keels according to claim 5, the corner connector is the corner connector according to claim 6, the L-shaped corner keels are L-shaped keels according to claim 6, the left side plate of the U-shaped keels is in contact with the bottom plate of the C-shaped keels, the left side plate of the U-shaped keels is fixedly connected through rivets penetrating through corresponding connecting holes, and the two connecting parts of the corner connector are respectively inserted into the C-shaped grooves of the transverse supporting keels and the C-shaped keels and are respectively fixedly connected through rivets, and the L-shaped keels are connected to the outer sides of the corner connector and are fixedly connected through rivets.

10. The suspended ceiling supporting structure comprises a first side keel, a second side keel, a plurality of transverse supporting keels, a plurality of first vertical supporting keels, a plurality of second vertical supporting keels, a first L-shaped keel, a second L-shaped keel and a plurality of corner connecting pieces, wherein the numbers of the transverse supporting keels, the first vertical supporting keels and the second vertical supporting keels are the same, one ends of the first vertical supporting keels are connected through the first side keel, one ends of the second vertical supporting keels are connected through the second side keel, two ends of the transverse supporting keels are respectively vertically butted with the other ends of the first vertical supporting keels and the second vertical supporting keels through the corner connecting pieces, the U-shaped corner connector is characterized in that the transverse support keels, the first vertical support keels and the second vertical support keels are C-shaped keels according to claim 2, the first side keels and the second side keels are U-shaped keels according to claim 4, the corner connector is the corner connector according to claim 6, the first L-shaped keels and the second L-shaped keels are L-shaped keels according to claim 6, the left side plate of the U-shaped keels is in contact with the bottom plate of the C-shaped keels, the two connecting pieces are fixedly connected through rivets penetrating through corresponding connecting holes, are respectively inserted into the C-shaped grooves of the transverse support keels and the C-shaped grooves of the vertical support keels, are fixedly connected through rivets, and are connected to the outer sides of the corner connector through rivets.