CN213926762U

CN213926762U - Connecting structure of single-node connecting piece of prefabricated house connecting piece system

Info

Publication number: CN213926762U
Application number: CN202021985268.2U
Authority: CN
Inventors: 张如堂; 胡永伟
Original assignee: Zhejiang Putian Integrated Housing Co ltd
Current assignee: Zhejiang Putian Integrated Housing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-08-10
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a connection structure of single node connecting piece of prefabricated house connecting piece system, including single node connecting piece, single node connecting piece includes first bottom plate and first roof, and first bottom plate and first roof are connected through first support, and a corner fittings is connected to first bottom plate, and first roof is connected with the single node stand. The utility model discloses a single node connecting piece has solved house frame and has installed the operation complicacy when the installation, and is inefficient, the precision not high and difficult shortcoming of dismantling.

Description

Connecting structure of single-node connecting piece of prefabricated house connecting piece system

Technical Field

The utility model belongs to the technical field of integrated house technique and specifically relates to a connection structure of single node connecting piece of prefabricated house connecting piece system is related to.

Background

The technology of the assembled integrated house in the 21 st century is rapidly popularized, and the construction development of the building house with low cost, high level and short construction period is realized mainly through specialized design, standardized production and modularized construction assembly. The integrated house has the advantages of convenience in installation, convenience in transportation, energy conservation, environmental friendliness and reusability.

The existing integrated house frame is generally fixed by welding at each node position during installation, the welding mode is complex to operate, low in efficiency and low in precision, professional welding personnel are needed, and the integrated house frame is not easy to disassemble, so that the integrated house frame is urgently needed to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a connection structure of single node connecting piece of prefabricated house connecting piece system, solved house frame when the installation operation complicated, it is inefficient, the precision is not high and difficult dismantlement's shortcoming.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including single node connecting piece, single node connecting piece includes first bottom plate and first roof, first bottom plate and first roof are connected through first support muscle, a corner fittings is connected to first bottom plate, first roof is connected with the single node stand.

The single-node connecting piece is connected with the single-node upright post in a welding mode.

One side of the first top plate, which is close to the single-node upright post, is provided with a first limiting rib, the single-node upright post is of a hollow structure, and the first limiting rib is inserted into the single-node upright post.

The single-node connecting piece is connected with the corner piece through bolts.

The upper surface and the lower surface of the corner piece are provided with threaded holes, the first base plate is provided with a first through hole which corresponds to the threaded holes and penetrates through the first base plate, and the bolt penetrates through the first through hole and is screwed into the threaded holes to be fixed.

The upper surface and the lower surface of the corner piece are also provided with positioning holes sunk into the corner piece, the first base plate extends outwards to be provided with first limiting convex points corresponding to the positioning holes of the corner piece, and the first limiting convex points are inserted into the positioning holes for positioning.

The first limiting salient point is of a conical structure, and the diameter of the section of the first limiting salient point is gradually reduced from the first base plate to the corner fitting.

The ascending outer profile face of the vertical side of first bottom plate flushes with first roof, the ascending outer profile face of the vertical side of single node stand flushes with first roof, first support muscle flushes with first bottom plate for the ascending outer profile face of cross muscle and vertical side.

The corner piece is L-shaped, and the openings at two ends of the corner piece are connected with the cross beam.

The utility model has the advantages that: 1. the single-node connecting piece and the single-node upright post are welded in a factory to form an integrated structure and then are connected with the corner piece through bolts, and a frame is not required to be welded and installed on site, so that the installation is convenient, and the installation efficiency is greatly improved; 2. the first limiting ribs can position the single-node stand column, so that the welding operation is convenient, and the welding precision is effectively ensured; 3. first spacing bump can play the positioning action and make first through-hole and screw hole one-to-one, makes things convenient for bolted connection.

Drawings

FIG. 1 is a first frame diagram of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 1 at C;

fig. 5 is a top view of a first frame of the present invention;

FIG. 6 is an exploded view at a single node connection;

FIG. 7 is an exploded view at a dual node connection;

FIG. 8 is an exploded view at a four node connection;

FIG. 9 is a schematic view of the corner fitting;

FIG. 10 is a schematic view of a single node connection;

FIG. 11 is a schematic structural view of a dual node connector;

FIG. 12 is a schematic structural view of a four-node connection;

FIG. 13 is a second frame diagram of the present invention;

FIG. 14 is an enlarged view of FIG. 12 at D;

FIG. 15 is an exploded view at the three node connection;

fig. 16 is a schematic view of the structure of the three-node connection.

In the figure: crossbeam 1, upright 2, single-node upright 21, double-node upright 22, four-node upright 23, three-node upright 24, corner fitting 3, positioning hole 31, threaded hole 32, limiting ring 33, reinforcing rib 34, connecting piece 4, single-node connecting piece 41, first bottom plate 411, first top plate 412, first supporting rib 413, first limiting rib 414, first through hole 415, first limiting salient point 416, double-node connecting piece 42, second bottom plate 421, second top plate 422, second supporting rib 423, second limiting rib 424, second through hole 425, second limiting salient point 426, four-node connecting piece 43, third bottom plate 431, third top plate 432, third supporting rib 433, third limiting rib 434, third through hole 435, third limiting salient point 436, fourth through hole 437, three-node connecting piece 44, fourth bottom plate 411, fourth top plate 442, fourth supporting rib 443, fourth limiting rib 444, fifth through hole 445, third limiting salient point 446, Bolt 5, unit surface 6, frame 7.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 16, a connection structure of a single-node connector of a prefabricated building connector system comprises a single-node connector 41, wherein the single-node connector 41 comprises a first bottom plate 411 and a first top plate 412, the first bottom plate 411 and the first top plate 412 are connected through a first supporting rib 413, the first bottom plate 411 is connected with a corner piece 3, and the first top plate 412 is connected with a single-node upright post 21.

The single-joint connecting piece 41 is connected with the single-joint upright post 21 in a welding mode, a first limiting rib 414 is arranged on one side, close to the single-joint upright post 21, of the first top plate 412, the single-joint upright post 21 is of a hollow structure, and the first limiting rib 414 is inserted into the single-joint upright post 21;

the two sides about the corner fittings 3 are equipped with screw hole 32 and immerse the inside locating hole 31 of corner fittings 3, specifically do: the corner fitting 3 is connected with the single-node connecting piece 41 through a bolt 5, the first base plate 411 is provided with a first through hole 415 corresponding to the threaded hole 32 and penetrating through the first base plate 411, the bolt 5 penetrates through the first through hole 415 and is screwed into the threaded hole 32 for fixing, the first base plate 411 is provided with a first limiting salient point 416 extending outwards and corresponding to the positioning hole 31 of the single corner fitting 3, and the first limiting salient point 416 is inserted into the positioning hole 31 for positioning.

Compared with the prior art, the utility model discloses well first connecting piece 41 forms integrative structure with the welding of single node stand 21 earlier, a plurality of bolts of rethread 5 fix first connecting piece 21 on corner fittings 3, the power that every single node stand 21 received can be decomposed and carry out the dispersion on every bolt 5, just so power can not only concentrate on one of them is some, greatly increased the bearing capacity of frame, and when building frame 7, cancelled the welding and adopted the bolt 5 to connect, the efficiency of building frame 7 has been improved greatly, and the dismantlement in the later stage of being convenient for still.

Importantly, before the single-node connecting piece 41 is connected with the corner piece 3, the first limiting salient point 416 is firstly inserted into the positioning hole 31 for limiting, so that the first through hole 415 can be opposite to the threaded hole 32, the bolt 5 can be conveniently screwed in, and the assembling time is greatly saved.

Further, the first limit salient point 416 is in a conical structure, and the diameter of the cross section of the first limit salient point 416 is gradually reduced from the first bottom plate 411 to the corner fitting 3, so that the first limit salient point 416 has a guiding function, and the first limit salient point 416 can be conveniently inserted into the positioning hole 32.

Still further, outer profile face and first roof 412 on the vertical side of first bottom plate 411 flush, outer profile face and first roof 412 on the vertical side of single node stand 21 flush, first support muscle 413 is cross muscle and the ascending outer profile face of vertical side flushes with first bottom plate 411, and when single node connecting piece 421 welds on single node stand 21, the outline size is unanimous, connects first bottom plate 411 and first roof 412 through the first support muscle 413 of cross muscle structure, under the prerequisite of guaranteeing single node stand 41 bearing strength, can save material, practice thrift the cost.

The utility model discloses an integrated house connecting piece system of assembled includes one deck frame 7, every layer at least frame 7 is formed, every by the mutual concatenation of a plurality of cell faces 6 through stand 2 and connecting piece 4 the cell face 6 includes interconnect formation square planar crossbeam 1, crossbeam 1 passes through corner fittings 3 and connects, corner fittings 3 is the L type, 3 both ends opening part connecting beam 1 of corner fittings, wherein, individual layer frame 7 highly corresponds stand 2 and two connecting piece 4's height in addition, and in order to guarantee frame 7's firm reliable, Q235B steel is chooseed for use to crossbeam 1 and stand 2's material, and single crossbeam 1's length is no longer than six meters, and single stand 2's height is no longer than three meters, and frame 7 is no longer than the three-layer.

Crossbeam 1 and corner fittings 3 adopt welded connection, crossbeam 1 is the square roof beam of cavity, 3 sides of corner fittings are equipped with spacing ring 33 with the junction of crossbeam 1 to outside extension, spacing ring 33 inserts inside crossbeam 1, the utility model discloses a crossbeam 1 is the standard component, and when crossbeam 1 welded with corner fittings 3, at first insert crossbeam 1 through spacing ring 33 inside and carry on spacingly, then welding operation is carried out in junction between them, and this kind of structure not only can be convenient for welding operation, improves welding efficiency, but also can guarantee welded precision, and the welding between crossbeam 1 and the corner fittings 3 can directly be processed in the mill and accomplish, later transport the scene and carry out putting up of frame 7 through connecting piece 4 connecting post 2, has improved work efficiency greatly.

Inside the extending of corner fittings 3 is equipped with many strengthening ribs 34, strengthening rib 34 is the L type and the direction is unanimous with corner fittings 3, and when corner fittings 3 atress, strengthening rib 34 plays the supporting role to corner fittings 3, can improve corner fittings 3's anti ability of buckling through strengthening rib 34, prevents that corner fittings 3 warp, and wherein, the material of corner fittings 3 is Q335 steel, and is higher than crossbeam 1's intensity, and consequently the unit face 6 that forms also has stronger bearing capacity.

The side face of the corner fitting 3 is flush with the side face of the cross beam 1, so that the surface of a unit face 6 formed by the corner fitting and the cross beam is flat, and the placement of a rear beam plate built by the frame 7 is facilitated.

The corner fittings 3 of two adjacent unit surfaces 6 up and down distributed along the Z-axis direction are connected with single-node connecting pieces 41, a single-node upright post 21 is connected between the two adjacent single-node connecting pieces 41 up and down, the frame 7 at least comprises four edge angles, and the two corresponding single-node connecting pieces 41 up and down positioned at the edge angles are connected through the single-node upright post 21;

as shown in fig. 3, 7 and 11, the column 2 includes a double-node column 22, the connecting member 4 includes a double-node connecting member 42, two adjacent unit surfaces 6 distributed along the X-axis or Y-axis direction are connected by the double-node connecting member 42, the double-node connecting member 42 connects two adjacent corner members 3 on the same layer, the double-node column 22 is connected between two adjacent double-node connecting members 42 on the upper and lower layers, and the double-node column 22 connects the upper and lower layers of unit surfaces 6 outside the frame 7 except the outer edge angle of the frame 7;

the double-node connecting piece 42 is connected with the double-node upright post 22 in a welding mode, the double-node connecting piece 42 comprises a second bottom plate 421 and a second top plate 422, the second bottom plate 421 and the second top plate 422 are connected through a second supporting rib 423, a second limiting rib 424 is arranged on one side, close to the double-node upright post 22, of the second top plate 422, the double-node upright post 22 is of a hollow structure, and the second limiting rib 424 is inserted into the double-node upright post 22;

the double-node connecting piece 42 adopts a bolt 5 to connect two adjacent corner fittings 3, the second base plate 421 is provided with a second through hole 425 corresponding to the threaded holes 32 of the two corner fittings 3, the second through hole 425 penetrates through the second base plate 421, the bolt 5 penetrates through the second through hole 425 and is screwed into the threaded hole 32, the second base plate 421 extends outwards to be provided with a second limit salient point 426 corresponding to the positioning holes 31 of the two corner fittings 3, and the second limit salient points 426 are respectively inserted into the positioning holes 31 of the two corner fittings 3 for positioning.

Wherein, the double-node connecting piece 42 is firstly welded with the double-node upright post 22 to form an integral structure, and then the double-node connecting piece 42 is connected to two adjacent corner pieces 3 through a plurality of bolts 5, so as to fixedly connect two adjacent unit surfaces 6 together, wherein the number of the second through holes 425 is twice of the number of the threaded holes 32 on one of the upper surface and the lower surface of a single corner piece 3, namely the number of the second through holes 425 on the double-node connecting piece 42 is the sum of the number of the threaded holes 32 on the same surface of two corner pieces 3.

Further, the second limit salient points 426 are conical structures, the diameter of the cross section of the second limit salient points 426 decreases gradually from the second bottom plate 421 to the corner fittings 3, the number of the second limit salient points 426 is equal to the sum of the number of the positioning holes 31 on the same surface of the two corner fittings 3, when the two unit surfaces are connected, the two unit surfaces 6 are firstly close to each other, the second limit salient points 426 are respectively inserted into the positioning holes 31 of the two adjacent corner fittings 3 of the two unit surfaces 6, the two unit surfaces 6 are initially pulled to be not easy to be separated, after the second limit salient points 426 are inserted into the positioning holes 31, the second through holes 425 on the two node connecting pieces 42 correspond to the threaded holes 32 on the two corner fittings 3 one by one, and then the two through holes are connected and fixed through bolts 5.

Still further, the outer contour surface of the second bottom plate 421 in the vertical direction is flush with the second top plate 422, the outer contour surface of the two-node pillar 22 in the vertical direction is flush with the second top plate 422, and the outer contour surface of the second support rib 423 in the vertical direction is flush with the second bottom plate 421.

As shown in fig. 4, 8 and 12, the upright 2 includes a four-node upright 23, the connecting member 4 includes a four-node connecting member 43, the four unit surfaces 6 located on the same layer are connected by the four-node connecting member 43 to form a field-shaped plane, the four-node connecting member 43 is located at the center of the field-shaped plane, the four-node upright 23 is connected between two adjacent four-node connecting members 43, and the four-node upright 23 is connected with two adjacent layer unit surfaces 6 inside the frame 7;

the four-node connecting piece 43 is connected with the four-node upright 23 in a welding manner, the four-node connecting piece 43 comprises a third bottom plate 431 and a third top plate 432, the third bottom plate 431 and the third top plate 432 are connected through a third supporting rib 433, a third limiting rib 434 is arranged on one side, close to the four-node upright 23, of the third top plate 432, the four-node upright 23 is of a hollow structure, and the third limiting rib 434 is inserted into the four-node upright 23;

the four-node connecting piece 43 is connected with four corner pieces 3 by bolts 5, the third bottom plate 431 is provided with third through holes 435 corresponding to the threaded holes 32 of the four corner pieces 3, the number of the third through holes 435 is four times that of the threaded holes 32 on one of the upper and lower surfaces of a single corner piece 3, the third through holes 435 penetrate through the third bottom plate 431, the bolts 5 penetrate through the third through holes 435 and are screwed into the threaded holes 32, third limiting salient points 436 corresponding to the positioning holes 31 of the four corner pieces 3 are arranged on the third bottom plate 431 in an outward extending mode, and the third limiting salient points 436 are inserted into the positioning holes 31 of the four corner pieces 3 respectively for positioning.

The four-node connecting piece 43 and the four-node upright post 23 are welded to form an integral structure, and then the four-node connecting piece 43 is connected to four corner pieces 3 which are adjacent to each other in the middle of four unit faces 6 which enclose a Chinese character tian-shaped plane through a plurality of bolts 5, so that the four unit faces 6 are fixedly connected together.

Furthermore, the third limiting salient points 436 are conical structures, the diameter of the cross section of the third limiting salient points 436 gradually decreases from the third bottom plate 431 to the corner fitting 3, the number of the third limiting salient points 436 is four times that of the positioning holes 31 on one of the upper and lower surfaces of the single corner fitting 3, when four rectangular unit surfaces are connected, the four unit surfaces 6 are firstly inserted into the positioning holes 31 of the four corner fittings 3 through the third limiting salient points 436 on the four-node connecting piece 43, and then are connected and fixed through the bolts 5.

Still further, the outer contour surface of the third bottom plate 431 in the vertical direction is flush with the third top plate 432, the outer contour surface of the four-node upright post 23 in the vertical direction is flush with the third top plate 432, and the outer contour surface of the third support rib 433 in the vertical direction is flush with the third bottom plate 431, wherein a fourth through hole 437 which is communicated with the upper surface and the lower surface of the four-node connecting member 43 is arranged in the middle of the four-node connecting member 43, and the fourth through hole 437 is designed to save material cost and weight on the premise of ensuring the bearing capacity of the four-node connecting member 43.

As shown in fig. 1 to 12, the frame 7 is constructed by matching a cross beam 1, a single-node upright post 21, a double-node upright post 22, a four-node upright post 23, a corner fitting 3, a single-node connecting piece 41, a double-node connecting piece 42 and a four-node connecting piece 43, and the plane of each layer of the frame 7 is at least composed of four mutually adjacent unit surfaces 6 forming a Chinese character 'tian'.

As shown in fig. 13 to 16, the column 2 further includes a three-node column 24, the connecting member 4 further includes a three-node connecting member 44, when any one unit surface 6 of the four unit surfaces 6 enclosing a Chinese character tian shape is removed, the other three unit surfaces 6 are connected by the three-node connecting member 44, the three-node connecting member 44 connects three adjacent corner members 3, and the three-node column 24 is connected between two adjacent three-node connecting members 44;

the three-node connecting piece 44 is in an L shape, the three-node connecting piece 44 is connected with the three-node upright post 24 by welding, the three-node connecting piece 44 comprises a fourth bottom plate 441 and a fourth top plate 442, the fourth bottom plate 441 and the fourth top plate 442 are connected by a fourth supporting rib 443, a fourth limiting rib 444 is arranged on one side, close to the three-node upright post 24, of the fourth top plate 442, the three-node upright post 24 is of a hollow structure, and the fourth limiting rib 444 is inserted into the three-node upright post 24;

the upper surface and the lower surface of the corner fitting 3 are provided with threaded holes 32 and positioning holes 31 sunk into the corner fitting 3, the three-joint connecting piece 44 is connected with three adjacent corner fittings 3 by bolts 5, the fourth base plate 441 is provided with fifth through holes 445 corresponding to the threaded holes 32 of the three corner fittings 3, the fifth through holes 445 penetrate through the fourth base plate 441, the bolts 5 penetrate through the fifth through holes 445 and are screwed into the threaded holes 32, the fourth base plate 441 outwards extends to be provided with fourth limit salient points 446 corresponding to the positioning holes 31 of the three corner fittings 3, and the fourth limit salient points 446 are respectively inserted into the positioning holes 31 of the two corner fittings 3 for positioning.

The frame 7 formed by the three-node connecting piece 44 is a special-shaped frame, and the three-node connecting piece 44 connects three corner pieces 3 which are close to each other on three unit surfaces 6 together through bolts 5 to form the frame 7 with at least one notch.

Further, the fourth limit protruding points 446 are conical structures, the cross-sectional diameter of the fourth limit protruding points 446 gradually decreases from the fourth bottom plate 441 to the corner fitting 3, and the number of the fourth limit protruding points 446 is the number of the positioning holes 31 on one of the upper and lower surfaces of the corner fitting 3.

Still further, the outer contour surface of the fourth bottom plate 441 in the vertical direction is flush with the fourth top plate 442, the outer contour surface of the three-node pillar 24 in the vertical direction is flush with the fourth top plate 442, and the outer contour surface of the fourth support rib 443 in the vertical direction is flush with the fourth bottom plate 441.

In order to ensure the strength of the frame 7, the bolts 5 used are M20 high-strength bolts, and the specific strength grade can be 10.9 grade or 12.9 grade.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a connection structure of single node connecting piece of prefabricated house connecting piece system which characterized in that: including single node connecting piece (41), single node connecting piece (41) include first bottom plate (411) and first roof (412), first bottom plate (411) and first roof (412) are connected through first brace rod (413), a corner fittings (3) are connected to first bottom plate (411), first roof (412) are connected with single node stand (21).

2. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: the single-node connecting piece (41) is connected with the single-node upright post (21) in a welding mode.

3. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: one side of the first top plate (412) close to the single-node upright post (21) is provided with a first limiting rib (414), the single-node upright post (21) is of a hollow structure, and the first limiting rib (414) is inserted into the single-node upright post (21).

4. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: the single-node connecting piece (41) is connected with the corner piece (3) through a bolt (5).

5. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 4, wherein: the corner fitting is characterized in that threaded holes (32) are formed in the upper surface and the lower surface of the corner fitting (3), a first through hole (415) which corresponds to the threaded hole (32) and penetrates through the first bottom plate (411) is formed in the first bottom plate (411), and the bolt (5) penetrates through the first through hole (415) and is screwed into the threaded hole (32) for internal fixation.

6. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: two sides still are equipped with about angle spare (3) and sink into inside locating hole (31) of angle spare (3), outside extension of first bottom plate (411) is equipped with first spacing bump (416) that correspond with locating hole (31) of angle spare (3), location in first spacing bump (416) insert locating hole (31).

7. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 6, wherein: the first limit salient points (416) are of conical structures, and the cross section diameter of the first limit salient points (416) is gradually reduced from the first base plate (411) to the corner fitting (3).

8. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: the outer profile surface of first bottom plate (411) vertical direction flushes with first roof (412), outer profile surface and first roof (412) of single node stand (21) vertical direction flush, first support muscle (413) flush with first bottom plate (411) for the outer profile surface of cross muscle and vertical direction.

9. The connecting structure of a single-joint connector of a prefabricated building connector system according to claim 1, wherein: the corner piece is characterized by further comprising a cross beam (1), the corner piece (3) is L-shaped, and openings at two ends of the corner piece (3) are connected with the cross beam (1).