CN203307967U

CN203307967U - Connection assembly of combined type frame

Info

Publication number: CN203307967U
Application number: CN201320263484XU
Authority: CN
Inventors: 陈毛宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-14
Filing date: 2013-05-14
Publication date: 2013-11-27
Anticipated expiration: 2023-05-14

Abstract

The utility model relates to a connection assembly of a combined type frame. The connection assembly comprises a connector and a plurality of sectional materials. The connection assembly is characterized in that an upwards-extending auxiliary connection rod is arranged on the upper portion of each sectional material, the upper end face of each auxiliary connection rod is higher than the upper end face of the connector, two clamping grooves which are arranged side by side are formed in each auxiliary connection rod, the clamping grooves penetrate through the auxiliary connection rods in the axial direction, a transition connection piece is connected to the upper end face of the connector, the upper end face of the transition connection piece is flush with the upper end faces of the auxiliary connection rods, the outer end face of the transition connection piece is in contact with the inner end faces of the corresponding auxiliary connection rods, transition clamping grooves are formed in the transition connection piece, the transition clamping grooves are communicated with the clamping grooves in the auxiliary connection rods in a one-to-one flush mode, and two adjacent transition clamping grooves are communicated to communicate the corresponding clamping grooves in the two adjacent auxiliary connection rods. When the connection assembly is used, four curtain edges with rubber friction strips are inserted in the clamping grooves and the transition clamping grooves respectively, two crossed curtain edges form the through connection transition at the positions of the transition clamping grooves, seamless connection is formed between a curtain and the edges of a frame, and the integrity of the curtain is higher.

Description

The connecting assembly of combined frame

Technical field

The utility model belongs to the technical field that building interior space is separated, and relates in particular to a kind of connecting assembly of combined frame.

Background technology

In office and in exhibition, the various frame type partition walls that often can see establishment are used for the compartment, this frame type partition wall to build requirement easy again fast, and the requirement that the orientation activity changes is also higher.The existing technology of setting up this framework, more employing has the Aluminum alloy column of multidirectional layout groove, the groove be folded on this column by aluminum alloy frame is built into frame construction, partition wall sheet material is set among aluminum alloy frame, form the frame type partition wall, this Aluminum alloy column height is determined, the height of the partition wall of building can't be increased again, also namely vertically can't splice again partition wall, and aluminum alloy frame and Aluminum alloy column are generally fixed by screw, on-the-spot installation is cumbersome, moreover aluminum alloy frame need bear the weight of partition wall, only rely on the fixing firm not of screw.

A kind of combined connecting structure for framework as the patent No. of the applicant application Chinese utility model patent " a kind of combined connecting structure for framework " that is ZL200520100782.2 (notification number is CN2777093Y) has disclosed, include the pedestal that is provided with protruding wall, contiguous block and section bar, section bar is cross, contiguous block has identical two, namely be fixed on pedestal the first contiguous block and at the second contiguous block of section bar end, the end face of contiguous block has the male part of at least one amesiality setting, this male part side has through hole, male part on the first contiguous block and the second contiguous block mirror image ground amalgamation separately is in the same place, and the through hole on two male part is aligned with each other and is bolted one, and on the end face of protruding wall, have screw, on contiguous block, also have through hole, be connected by screw aforementioned contiguous block and protruding wall.

Existing frame construction is basic identical, comprise joint, but this joint four-way connects a section bar, on the sidewall of section bar, have the clip slot axially run through, can in the clip slot of section bar, be embedded the various sheet materials such as hollowcore slab, plastic plate, glass plate, steel plate, form partition wall and, for the layout of exhibition position, also can be embedded curtain, placard, advertising cloth etc. for exhibition.

When using the flexible material such as curtain as divisional plane or display surface, need in the clip slot of section bar, arrange in order to strain the take-up device of curtain, the other end of take-up device is fixed with curtain.It is a kind of for the cloth tensioning device on display frame as the patent No. Chinese utility model patent " a kind of for the cloth tensioning device on display frame " that is ZL200520014200.9 (notification number is CN2838430Y) has disclosed, comprise and be located on framework and have the holder of screw, substantially be pulling buckle and the bolt that L-type and end are provided with clip slot, wherein the pulling buckle other end has through hole, and the one side is provided with the groove be communicated with its through hole, size and the bolt of this groove adapt, and bolt passes the through hole on pulling buckle and is fixed among the screw of holder.During use, among the C type clip slot that the pull bar of cloth one end is embedded in pulling buckle, thereby be fixed on pulling buckle, and other several ends of cloth also can be as required, by the identical cloth tensioning device be arranged on framework, be fixed on framework, thereby make whole cloth being placed on framework tightly.

Curtain is existed to such defect by the framework that take-up device is connected to existing structure, between curtain edge and section bar sidewall, larger gap is arranged, after assembling product completes, between the edge, surrounding of curtain and each self-corresponding section bar, all leave gap, between curtain and framework, the globality of combination is poor, causes curtain partition space effect and aesthetic property undesirable.

The utility model content

Technical problem to be solved in the utility model is that a kind of connecting assembly that can realize forming between curtain and the leg of frame edge combined frame of seamless combination is provided for above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technical scheme adopted: a kind of connecting assembly of combined frame, comprise that joint and Duo Gen are connected to the section bar of joint week side end face, it is characterized in that: the top of described each section bar has the auxiliary extension bar of the setting of extending upward, the upper surface of auxiliary extension bar is higher than the upper surface of joint, on described auxiliary extension bar, have two clip slots that run through vertically and be arranged side by side, on the upper surface of described joint, be connected with transition piece, the upper surface of transition piece flushes with the upper surface of auxiliary extension bar, the outer face of transition piece contacts with the inner face of respective secondary adjuvant grafting bar, on transition piece, have with each auxiliary extension bar on the clip slot transition clip slot that aligns one by one and communicate, and adjacent two transition clip slots communicate with each other and are communicated with the corresponding clip slot by adjacent two auxiliary extension bars.

The section of above-mentioned section bar is cross, has the groove axially run through on each wall of section bar, and the end of section bar is fixed with and is criss-cross the first contiguous block, on the end face of the first contiguous block, has the first male part of four amesiality projections; On described joint, be provided with protruding wall, protruding wall is pressed the six direction setting in space, and, in each direction, all be cross, on the joint end face be connected with section bar, be fixed with and be criss-cross the second contiguous block, on the end face of the second contiguous block, have the second male part of four amesiality projections; Described the first contiguous block is relative with the second contiguous block while fastening, and each first male part and the second male part mirror image amalgamation accordingly one by one are in the same place, and with threaded connector, amalgamation the first male part and the second male part are together fixed; Described auxiliary extension bar and section bar are two parts independently, and described auxiliary extension bar detachably is fixed on the wall on section bar top; The lower end of described transition piece is plugged on the protruding wall of upper end of joint.

It is a kind of specific constructive form of combined frame, by the protruding wall of multiaspect and multi-direction setting and the combination of the first contiguous block, fix, and the combination of identical the second contiguous block dexterously with the first contiguous block in section bar end is fixed, realized a kind of brand-new mode of building framework, can be according to the orientation of building, random partition wall or the placing articles of setting up; And this combined connecting structure, only need externally directly fix and just can set up easily by screw and bolt, and on-the-spot combined and instant is quick, and very laborsaving, easy.Auxiliary extension bar is detachable, and passable after assisting extension bar to disassemble, this combined frame can be used as the conventional frame structure and uses.

The bottom of above-mentioned auxiliary extension bar has holding tank, and this holding tank is clamped on the wall on section bar top, and the two side of holding tank is threaded with the wall on section bar top by connecting screw respectively.By the clamping of holding tank and wall, and the connection of screw, can will assist on the firm wall that is fixed on section bar of extension bar.

Above-mentioned criss-cross section bar has four, before being separately fixed at joint, after, left, on four right all side end faces, described transition piece is cross, transition clip slot on transition piece has eight, vertical two adjacent transition clip slots communicate with each other, the bottom of transition piece is provided with the draw-in groove that is crossing distribution, the transition piece bottom that is positioned at each draw-in groove intersection has the reference column to lower convexity, the center position of described upper end of joint face is provided with locating hole, at transition piece, be installed under the state on joint, described each draw-in groove is fastened on respectively on the protruding wall of upper end of joint, simultaneously, reference column is plugged in locating hole.

Above-mentioned criss-cross section bar has three, before being separately fixed at joint, left, on three right all side end faces, described transition piece is in T shape, transition clip slot on transition piece has six, vertical two adjacent transition clip slots communicate with each other, two other transition clip slot level connects, the bottom of transition piece is provided with the draw-in groove of distribution in T shape, the transition piece bottom that is positioned at each draw-in groove intersection has the reference column to lower convexity, the center position of described upper end of joint face is provided with locating hole, at transition piece, be installed under the state on joint, described each draw-in groove is fastened on respectively the protruding wall of upper end of joint, simultaneously, reference column is plugged in locating hole.

Above-mentioned criss-cross section bar has two, before being separately fixed at joint, on two left all side end faces, described transition piece is the L font, transition clip slot on transition piece has four, vertical two adjacent transition clip slots communicate with each other, the bottom of transition piece is provided with and is the draw-in groove that the L font distributes, the transition piece bottom that is positioned at each draw-in groove intersection has the reference column to lower convexity, the center position of described upper end of joint face is provided with locating hole, at transition piece, be installed under the state on joint, described each draw-in groove is fastened on respectively the protruding wall of upper end of joint, simultaneously, reference column is plugged in locating hole.

Orientation and size that the radical of section bar is built according to framework arrange, the section bar correspondence of different radicals make transition piece profile, and transition clip slot position respective change occurs to adapt to, in addition between joint and transition piece by the blocking of draw-in groove and the protruding wall of joint, and the coordinating of reference column and locating hole, make transition piece relative firm with the joint combination.

Above-mentioned joint is cube-shaped, described transition piece bottom has the fixture block of a plurality of downward protrusions, described joint has the pit of corresponding described fixture block respectively on the side in order to connect, described transition piece is embedded into respectively in pit corresponding on joint by described a plurality of fixture blocks and is connected with joint; Described auxiliary extension bar and section bar are integrated part.It is the combined frame of another kind of form of structure.

Above-mentioned section bar has four, is separately fixed on four all side end faces of joint front, rear, left and right, and described transition piece is cross, and the transition clip slot on transition piece has eight, and vertical two adjacent transition clip slots communicate with each other.

Above-mentioned section bar has three, before being separately fixed at joint, on left and right three all side end faces, described transition piece is in T shape, and the transition clip slot on transition piece has six, vertical two adjacent transition clip slots communicate with each other, and two other transition clip slot level connects.

Above-mentioned section bar has two, and before being separately fixed at joint, on left two all side end faces, described transition piece is the L font, and the transition clip slot on transition piece has four, and vertical two adjacent transition clip slots communicate with each other.

Compared with prior art, the utility model has the advantage of: on transition piece, have with each auxiliary extension bar on the clip slot transition clip slot that aligns one by one and communicate, and adjacent two transition clip slots communicate with each other and are communicated with the corresponding clip slot by adjacent two auxiliary extension bars, during use, connecting assembly is set up and is between the grid with one or more rectangular cells, four edges with the rubber friction bar of curtain are inserted respectively in the clip slot and transition clip slot of surrounding between grid, curtain intersects two edges and in the transition clip slot position of the center of transition piece, forms the switching transition, between edge between the single grid of curtain and framework, form seamless combination, the globality of curtain is stronger, curtain partition space effect and aesthetic property are good, the direction of insertion at curtain edge is mutually vertical with the direction of curtain display surface in addition, and the resultant direction that curtain forms is fully towards section bar, and it is firm that curtain is combined with framework, without extra cloth tensioning device, two clip slots again on each auxiliary extension bar, on corresponding transition piece, corresponding identical transition clip slot is arranged, but the curtain between the grid of this structure adjacent frame on unit can cubic infinite expanding, gap between curtain on adjacent two grid is only the width at the elongated shape edge between two clip slots on same auxiliary extension bar, almost can ignore in this gap after large-scale framework is set up, the whole segmentation effect of framework is good, and the pattern between each grid on curtain also can complete slit and be connected.

The accompanying drawing explanation

Fig. 1 is the perspective view of first embodiment of the utility model;

Fig. 2 is the stereochemical structure exploded view of first embodiment of the utility model;

Fig. 3 is the front schematic perspective view of transition piece in first embodiment of the utility model;

Fig. 4 is the back side schematic perspective view of transition piece in first embodiment of the utility model;

Fig. 5 is the connection diagram of first embodiment medium section of the utility model and joint;

Fig. 6 is that first embodiment of the utility model is used state diagram;

Fig. 7 is the perspective view of second embodiment of the utility model;

Fig. 8 is the front schematic perspective view of transition piece in second embodiment of the utility model;

Fig. 9 is the back side schematic perspective view of transition piece in second embodiment of the utility model;

Figure 10 is the perspective view of the 3rd embodiment of the utility model;

Figure 11 is the front schematic perspective view of transition piece in the 3rd embodiment of the utility model;

Figure 12 is the back side schematic perspective view of transition piece in the 3rd embodiment of the utility model;

Figure 13 is the perspective view of the 4th embodiment of the utility model;

Figure 14 is the stereochemical structure exploded view of the 4th embodiment of the utility model;

Figure 15 is the front schematic perspective view of transition piece in the 4th embodiment of the utility model;

Figure 16 is the back side schematic perspective view of transition piece in the 4th embodiment of the utility model;

Figure 17 is the perspective view of the 5th embodiment of the utility model;

Figure 18 is the front schematic perspective view of transition piece in the 5th embodiment of the utility model;

Figure 19 is the back side schematic perspective view of transition piece in the 5th embodiment of the utility model;

Figure 20 is the perspective view of the 6th embodiment of the utility model;

Figure 21 is the front schematic perspective view of transition piece in the 6th embodiment of the utility model;

Figure 22 is the back side schematic perspective view of transition piece in the 6th embodiment of the utility model.

The specific embodiment

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

As shown in Fig. 1～5, be first embodiment of the present utility model.

A kind of connecting assembly of combined frame, comprise that joint 1 and Duo Gen are connected to the section bar 3 of joint week side end face, the section of section bar 3 is cross, criss-cross section bar 3 has four, be separately fixed on four all side end faces of joint 1 front, rear, left and right, on each wall 31 of section bar 3, have the groove 32 axially run through, the end of section bar 3 is fixed with on the end face that is criss-cross the first contiguous block 6, the first contiguous blocks 6 the first male part 61 with four amesiality projections by screw; On joint 1, be provided with protruding wall 11, protruding wall 11 is by the six direction setting in space, and, in each direction, all be cross, on joint end face with section bar 3 is connected, be fixed with on the end face that is criss-cross the second contiguous block 7, the second contiguous blocks 7 the second male part 71 with four amesiality projections by screw; The first contiguous block 6 is during with the relative fastening of the second contiguous block 7, and each first male part 61 and the second male part 71 mirror image amalgamation accordingly one by one are in the same place, and with threaded connector 4, amalgamation the first male part 61 and the second male part 71 are together fixed.

The lower end of transition piece 5 is plugged on the protruding wall 11 of joint 1 upper end.The bottom of auxiliary extension bar 2 has holding tank 22, and this holding tank 22 is clamped on the wall 31 on section bar 3 tops, and the two side of holding tank 22 is threaded with the wall 31 on section bar 3 tops by connecting screw 8 respectively.

The top of each section bar 3 has the auxiliary extension bar 2 of the setting of extending upward, and auxiliary extension bar 2 and section bar 3 are two parts independently, assist extension bar 2 detachably to be fixed on the wall 31 on section bar 3 tops, the upper surface of auxiliary extension bar 2 is higher than the upper surface of joint 1, on auxiliary extension bar 2, have two clip slots that run through vertically and be arranged side by side 21, on the upper surface of joint 1, be connected with transition piece 5, transition piece 5 is cross, the upper surface of transition piece 5 flushes with the upper surface of auxiliary extension bar 2, the outer face of transition piece 5 contacts with the inner face of respective secondary adjuvant grafting bar 2, on transition piece 5, have with each auxiliary extension bar 2 on the clip slot 21 transition clip slot 51 that aligns one by one and communicate, transition clip slot 51 on transition piece 5 has eight, vertical two adjacent transition clip slots 51 communicate with each other vertically adjacent two to assist the corresponding clip slot 21 on extension bars 2 to be communicated with, these eight transition clip slots 51 form four groups of L-shaped grooves that run through on transition piece 5.

The bottom of transition piece 5 is provided with the draw-in groove 52 that is crossing distribution, transition piece 5 bottoms that are positioned at each draw-in groove 52 intersections have the reference column 53 to lower convexity, the center position of joint 1 upper surface is provided with locating hole 12, at transition piece 5, be installed under the state on joint 1, each draw-in groove 52 is fastened on respectively on the protruding wall 11 of joint 1 upper end, simultaneously, reference column 53 is plugged in locating hole 12.

As shown in Fig. 7～9, be second embodiment of the present utility model.

The difference of the present embodiment and first embodiment is: criss-cross section bar 3 has three, before being separately fixed at joint 1, left, on three right all side end faces, transition piece 5 is in T shape, transition clip slot 51 on transition piece 5 has six, vertical two adjacent transition clip slots 51 communicate with each other, 51 levels of two other transition clip slot connect, the bottom of transition piece 5 is provided with the draw-in groove 52 of distribution in T shape, transition piece 5 bottoms that are positioned at each draw-in groove 52 intersections have the reference column 53 to lower convexity, the center position of joint 1 upper surface is provided with locating hole 12, at transition piece 5, be installed under the state on joint 1, each draw-in groove 52 is fastened on respectively the protruding wall 11 of joint 1 upper end, simultaneously, reference column 53 is plugged in locating hole 12.

As shown in Figure 10～12, be the 3rd embodiment of the present utility model.

The difference of the present embodiment and first embodiment is: criss-cross section bar 3 has two, before being separately fixed at joint 1, on two left all side end faces, transition piece 5 is the L font, transition clip slot 51 on transition piece 5 has four, vertical two adjacent transition clip slots 51 communicate with each other, the bottom of transition piece 5 is provided with and is the draw-in groove 52 that the L font distributes, transition piece 5 bottoms that are positioned at each draw-in groove 52 intersections have the reference column 53 to lower convexity, the center position of joint 1 upper surface is provided with locating hole 12, at transition piece 5, be installed under the state on joint 1, each draw-in groove 52 is fastened on respectively the protruding wall 11 of joint 1 upper end, simultaneously, reference column 53 is plugged in locating hole 12.

As shown in Figure 13～16, be the 4th embodiment of the present utility model.

The difference of the present embodiment and first embodiment is: joint 1 is cube-shaped, transition piece 5 bottoms have the fixture block 54 of a plurality of downward protrusions, joint 1 has the pit 13 of corresponding fixture block 54 respectively on the side in order to connect, transition piece 5 is embedded into respectively in pit corresponding on joint 1 13 by described a plurality of fixture blocks 54 and is connected with joint 1; Auxiliary extension bar 2 is integrated part with section bar 1.The cross section of the section bar 3 in the present embodiment is rounded, can certainly be square, section bar 3 has four, be separately fixed on four all side end faces of joint 1 front, rear, left and right, described transition piece 5 is cross, transition clip slot 51 on transition piece 5 has eight, and vertical two adjacent transition clip slots 51 communicate with each other.

As shown in Figure 17～19, be the 5th embodiment of the present utility model.

The difference of the present embodiment and the 4th embodiment is: section bar 3 has three, before being separately fixed at joint 1, on left and right three all side end faces, transition piece 5 is in T shape, transition clip slot 51 on transition piece 5 has six, vertical two adjacent transition clip slots 51 communicate with each other, and 51 levels of two other transition clip slot connect.

As shown in Figure 20～22, be the 6th embodiment of the present utility model.

The difference of the present embodiment and the 4th embodiment is: section bar 3 has two, before being separately fixed at joint 1, on left two all side end faces, described transition piece 5 is the L font, and the transition clip slot 51 on transition piece 5 has four, and vertical two adjacent transition clip slots 51 communicate with each other.

As shown in Figure 6, during use, connecting assembly is set up and is between the grid with one or more rectangular cells, 9 four edges with the rubber friction bar of curtain are inserted respectively in the clip slot 21 and transition clip slot 51 of surrounding between grid, curtain 9 intersects two edges and in transition clip slot 51 positions of the center of transition piece 5, forms the switching transition always, between edge between the single grid of curtain 9 and framework, form seamless combination, the globality of curtain 9 is stronger, and curtain 9 partition space effects and aesthetic property are good; The direction of insertion at curtain 9 edges is mutually vertical with the direction of curtain 9 display surfaces in addition, and the resultant direction that curtain 9 forms is fully towards section bar 3, and it is firm that curtain 9 is combined with framework, without extra cloth tensioning device; Two clip slots 21 again on each auxiliary extension bar 2, on corresponding transition piece 5, corresponding identical transition clip slot 51 is arranged, but the curtain 9 between the grid of this structure adjacent frame on unit can cubic infinite expanding, gap between curtain 9 on adjacent two grid is only the width at the elongated shape edge between two clip slots on same auxiliary extension bar, almost can ignore in this gap after large-scale framework is set up, the whole segmentation effect of framework is good, and the pattern between each grid on curtain 9 also can complete slit and be connected.

Claims

1. the connecting assembly of a combined frame, comprise joint (1) and the many section bars (3) that are connected to joint week side end face, it is characterized in that: the top of described each section bar (3) has the auxiliary extension bar (2) of the setting of extending upward, the upper surface of auxiliary extension bar (2) is higher than the upper surface of joint (1), on described auxiliary extension bar (2), have two clip slots that run through vertically and be arranged side by side (21), on the upper surface of described joint (1), be connected with transition piece (5), the upper surface of transition piece (5) flushes with the upper surface of auxiliary extension bar (2), the outer face of transition piece (5) contacts with the inner face of respective secondary adjuvant grafting bar (2), on transition piece (5), have with each auxiliary extension bar (2) on clip slot (21) the transition clip slot (51) that aligns one by one and communicate, and adjacent two transition clip slots (51) communicate with each other and are communicated with the corresponding clip slot (21) by adjacent two auxiliary extension bars (2).

2. the connecting assembly of combined frame according to claim 1, it is characterized in that: the section of described section bar (3) is cross, on each wall (31) of section bar (3), have the groove (32) axially run through, the end of section bar (3) is fixed with and is criss-cross the first contiguous block (6), on the end face of the first contiguous block (6), has first male part (61) of four amesiality projections; On described joint (1), be provided with protruding wall (11), protruding wall (11) is by the six direction setting in space, and, in each direction, all be cross, on the joint end face with section bar (3) is connected, be fixed with and be criss-cross the second contiguous block (7), on the end face of the second contiguous block (7), have second male part (71) of four amesiality projections; Described the first contiguous block (6) is during with relative fastening of the second contiguous block (7), each first male part (61) and the second male part (71) mirror image amalgamation accordingly one by one, and are fixed amalgamation the first male part (61) and the second male part (71) together with threaded connector (4) together; Described auxiliary extension bar (2) and section bar (3) are two parts independently, and described auxiliary extension bar (2) detachably is fixed on the wall (31) on section bar (3) top; The lower end of described transition piece (5) is plugged on the protruding wall (11) of joint (1) upper end.

3. the connecting assembly of combined frame according to claim 2, it is characterized in that: the bottom of described auxiliary extension bar (2) has holding tank (22), this holding tank (22) is clamped on the wall (31) on section bar (3) top, and the two side of holding tank (22) is threaded with the wall (31) on section bar (3) top by connecting screw (8) respectively.

4. according to the connecting assembly of claim 2 or 3 described combined frames, it is characterized in that: described criss-cross section bar (3) has four, be separately fixed at joint (1) front, after, left, on four right all side end faces, described transition piece (5) is cross, transition clip slot (51) on transition piece (5) has eight, vertical two adjacent transition clip slots (51) communicate with each other, the bottom of transition piece (5) is provided with the draw-in groove (52) that is crossing distribution, transition piece (5) bottom that is positioned at each draw-in groove (52) intersection has the reference column (53) to lower convexity, the center position of described joint (1) upper surface is provided with locating hole (12), at transition piece (5), be installed under the state on joint (1), described each draw-in groove (52) is fastened on respectively on the protruding wall (11) of joint (1) upper end, simultaneously, reference column (53) is plugged in locating hole (12).

5. according to the connecting assembly of claim 2 or 3 described combined frames, it is characterized in that: described criss-cross section bar (3) has three, be separately fixed at joint (1) front, left, on three right all side end faces, described transition piece (5) is in T shape, transition clip slot (51) on transition piece (5) has six, vertical two adjacent transition clip slots (51) communicate with each other, two other transition clip slot (51) level connects, the bottom of transition piece (5) is provided with the draw-in groove (52) of distribution in T shape, transition piece (5) bottom that is positioned at each draw-in groove (52) intersection has the reference column (53) to lower convexity, the center position of described joint (1) upper surface is provided with locating hole (12), at transition piece (5), be installed under the state on joint (1), described each draw-in groove (52) is fastened on respectively the protruding wall (11) of joint (1) upper end, simultaneously, reference column (53) is plugged in locating hole (12).

6. according to the connecting assembly of claim 2 or 3 described combined frames, it is characterized in that: described criss-cross section bar (3) has two, be separately fixed at joint (1) front, on two left all side end faces, described transition piece (5) is the L font, transition clip slot (51) on transition piece (5) has four, vertical two adjacent transition clip slots (51) communicate with each other, the bottom of transition piece (5) is provided with and is the draw-in groove (52) that the L font distributes, transition piece (5) bottom that is positioned at each draw-in groove (52) intersection has the reference column (53) to lower convexity, the center position of described joint (1) upper surface is provided with locating hole (12), at transition piece (5), be installed under the state on joint (1), described each draw-in groove (52) is fastened on respectively the protruding wall (11) of joint (1) upper end, simultaneously, reference column (53) is plugged in locating hole (12).

7. the connecting assembly of combined frame according to claim 1, it is characterized in that: described joint (1) is cube-shaped, described transition piece (5) bottom has the fixture block (54) of a plurality of downward protrusions, described joint (1) has the pit (13) of corresponding described fixture block (54) respectively on the side in order to connect, it is interior and be connected with joint (1) that described transition piece (5) is embedded into respectively the upper corresponding pit (13) of joint (1) by described a plurality of fixture blocks (54); Described auxiliary extension bar (2) is integrated part with section bar (1).

8. the connecting assembly of combined frame according to claim 7, it is characterized in that: described section bar (3) has four, be separately fixed on four all side end faces of joint (1) front, rear, left and right, described transition piece (5) is cross, transition clip slot (51) on transition piece (5) has eight, and vertical two adjacent transition clip slots (51) communicate with each other.

9. the connecting assembly of combined frame according to claim 7, it is characterized in that: described section bar (3) has three, be separately fixed on three front, left and right all side end faces of joint (1), described transition piece (5) is in T shape, transition clip slot (51) on transition piece (5) has six, vertical two adjacent transition clip slots (51) communicate with each other, and two other transition clip slot (51) level connects.

10. the connecting assembly of combined frame according to claim 7, it is characterized in that: described section bar (3) has two, be separately fixed on two front, left all side end faces of joint (1), described transition piece (5) is the L font, transition clip slot (51) on transition piece (5) has four, and vertical two adjacent transition clip slots (51) communicate with each other.