CN219973516U - Building structure and connection structure for modularized building structures - Google Patents

Abstract

The utility model relates to a building structure and a connecting structure for modular building structures, wherein the building structure comprises an upper plug-in component, a connecting component and a lower plug-in component; the upper plug-in component is used for being simultaneously clamped at the lower end parts of a plurality of first to-be-connected components; the lower plug-in component is used for being simultaneously clamped at the upper end parts of the second to-be-connected components; the connecting piece is connected between the lower end of the upper plug-in unit and the upper end of the lower plug-in unit, and the upper plug-in unit and the lower plug-in unit are respectively used for connecting a plurality of first to-be-connected pieces and a plurality of second to-be-connected pieces to the connecting piece. The multi-module splicing device has the beneficial effects that the stability of the whole structure is guaranteed, meanwhile, the upper plug-in and the lower plug-in can be respectively and simultaneously connected with a plurality of to-be-connected pieces, the problem that a construction space is lacked in the multi-module splicing process can be solved, and the operation is convenient.

Description

Building structure and connection structure for modularized building structures

Technical Field

The utility model relates to the technical field of modularized steel structure assembly, in particular to a building structure and a connecting structure for modularized building structures.

Background

The modularized steel structure building has the advantages of short construction period, high building quality, environment friendliness, low carbon, environment friendliness and the like, the modularized steel structure is spliced and combined among prefabricated modules by using the connecting nodes, so that a complete modularized building is formed, and the connecting nodes which are quick, universal, safe and reliable among the modules are key for fully exerting the quick construction advantages of the modularized steel structure building and guaranteeing the integral stress performance of the modularized steel structure. Therefore, in the modularized steel structure, the connection technology and the mechanical property research of the connection nodes between the modules have important significance.

At present, the connection nodes among the modularized steel structures mainly adopt modes of bolt connection, prestress pull rod connection, external flitch bolt connection and the like. However, the above connection method has the following problems: firstly, the connection node has complex structure, large factory processing difficulty, complex and complicated connection and installation operation on a construction site, high construction precision requirement and incapability of well meeting the requirement of rapid installation and construction of a modularized steel structure building; secondly, more holes are formed in the module beam columns, so that the overall performance of the structure is weakened; in addition, a plurality of modules are spliced to lack construction space, and cannot be constructed.

In order to solve the above technical problems, a new connection structure needs to be developed for modular steel structure building splicing.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and disadvantages of the prior art, the present utility model provides a building structure and a connection structure for modular building structures, which solves the technical problems of difficult installation and poor overall structure performance after installation caused by complex connection node structure between modular steel structures.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

in a first aspect, an embodiment of the present utility model provides a connection structure between modular building structures, including an upper insert, a connection member, and a lower insert; the upper plug-in component is used for being simultaneously clamped at the lower end parts of a plurality of first to-be-connected components; the lower plug-in component is used for being simultaneously clamped at the upper end parts of the second to-be-connected components; the connecting piece is connected between the lower end of the upper plug-in unit and the upper end of the lower plug-in unit, and the upper plug-in unit and the lower plug-in unit are respectively used for connecting a plurality of first to-be-connected pieces and a plurality of second to-be-connected pieces to the connecting piece.

Optionally, the connection structure between the modular building structures, the lower plug-in unit and the upper plug-in unit are in symmetrical structures relative to the connection piece; the upper plug-in comprises a plurality of upper plug-in parts; the upper plug-in parts are arranged above the connecting piece in the vertical direction, and are arranged at a first preset distance from each other; the upper plug-in parts are in one-to-one corresponding clamping connection with the lower end parts of the first to-be-connected pieces; the lower plug-in comprises a plurality of lower plug-in parts; the lower plug-in parts are arranged below the connecting piece in the vertical direction, and the lower plug-in parts are arranged at a second preset distance from each other; the lower plug-in parts are in one-to-one corresponding clamping connection with the upper end parts of the second to-be-connected pieces.

Optionally, the connection structure between the modularized building structures, the upper plug-in connection part comprises a first plate body and a second plate body which are connected with each other; the intersection line of one edge of the first plate body and one edge of the second plate body extends along the vertical direction, and a first preset angle is formed between the first plate body and the second plate body; the lower plug-in part comprises a third plate body and a fourth plate body which are connected with each other; the intersection line of one edge of the third plate body and one edge of the fourth plate body extends along the vertical direction, and a second preset angle is formed between the third plate body and the fourth plate body.

Optionally, in the connection structure between the modularized building structures, the lower end of the first to-be-connected piece and the upper end of the second to-be-connected piece are in a symmetrical structure relative to the connection piece; the upper plug-in unit further comprises a plurality of first cover plates; the first cover plates are in one-to-one correspondence with the upper plug-in parts, and the shape of the first cover plates is matched with the outer side of the lower end of the first to-be-connected piece; the first cover plate is used for detachably fixing the upper plug-in connection part and the first to-be-connected piece; the lower insert further comprises a plurality of second cover plates; the second cover plates are in one-to-one correspondence with the lower plug-in parts, and the shape of the second cover plates is matched with the outer side of the upper end of the second to-be-connected piece; the second cover plate is used for detachably fixing the lower plug-in connection part and the second to-be-connected piece.

Optionally, the connection structure between the modular building structures, the upper insert further comprises a plurality of first pairs of pull parts; the first pair of pull parts are arranged on the two adjacent upper plug-in parts and the first cover plate positioned at the outer sides of the two upper plug-in parts in a penetrating way; the lower insert further includes a plurality of second pair of pull portions; the second pair of pull parts are arranged on the two adjacent lower plug-in parts and the second cover plate positioned at the outer sides of the two lower plug-in parts in a penetrating way.

Optionally, the connection structure between the modularized building structures, the upper plug-in connection part and the lower plug-in connection part are all 4, and the first preset angle and the second preset angle are both right angles.

Optionally, in the connection structure between the modularized building structures, 4 upper plug-in parts enclose a cross-shaped space; 4 lower plug-in parts enclose a cross-shaped space.

In a second aspect, an embodiment of the present utility model provides a building structure, including the connection structure of the first aspect, a plurality of first to-be-connected members, and a plurality of second to-be-connected members; the upper plug-in is simultaneously clamped at the lower end parts of the first to-be-connected pieces; the lower plug-in is simultaneously clamped at the upper end parts of the second to-be-connected pieces; the upper plug-in and the lower plug-in correspondingly connect a plurality of first to-be-connected pieces and a plurality of second to-be-connected pieces to the connecting pieces.

(III) beneficial effects

The beneficial effects of the utility model are as follows: according to the building structure and the connecting structure for the modularized building structures, the upper plug-in components, the connecting components and the lower plug-in components are integrally arranged from top to bottom, and meanwhile, the to-be-connected components above and below in the vertical direction form an integral structure formed by a plurality of to-be-connected components by being clamped on the connecting components, so that the integral stress performance of the structure can be improved, and the integral structure stability is ensured; meanwhile, the upper plug-in and the lower plug-in can be respectively and simultaneously connected with a plurality of to-be-connected pieces, so that the problem that a construction space is lacking in the multi-module splicing process can be solved, and the operation is convenient.

In addition, through the cooperation of first apron and first to drawing portion, improved the stability of waiting to connect piece and upper and lower plug-in components to optimize the atress performance of overall structure after the installation.

Drawings

Fig. 1 is a schematic perspective view of a building structure and a connection structure of embodiment 1 for a connection structure between modular building structures according to the present utility model;

FIG. 2 is a schematic perspective view of a building structure and a connection structure for modular building structures according to embodiment 2 of the present utility model;

fig. 3 is another perspective view of a building structure according to the present utility model and the building structure of embodiment 2 for a connection structure between modular building structures.

[ reference numerals description ]

1: a connection structure; 11: an upper insert; 111: an upper plug-in part; 1111: a first plate body; 1112: a second plate body; 112: a first cover plate; 113: a first pair of pull portions; 12: a connecting piece; 13: a lower plug-in; 131: a lower plug-in part; 1311: a third plate body; 1312: a fourth plate body; 132: a second cover plate; 133: a second pair of pull portions; 2: a first part to be connected; 3: the second to-be-connected piece; a: a first preset angle; b: a second preset angle.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "etc. are made with reference to the orientation of fig. 1.

According to the building structure and the connecting structure for the modularized building structures, which are provided by the embodiment of the utility model, aiming at the technical problems that the connection node structure between modularized steel structures is complex, the installation is difficult and the overall structure performance is poor after the installation, because the upper plug-in components, the connecting components and the lower plug-in components are integrally arranged from top to bottom, and meanwhile, the to-be-connected components above and below in the vertical direction form an overall structure formed by a plurality of to-be-connected components through being clamped on the connecting components, the stress performance of the whole structure can be improved, and the stability of the overall structure is ensured; meanwhile, the upper plug-in and the lower plug-in can be respectively and simultaneously connected with a plurality of to-be-connected pieces, so that the problem that a construction space is lacking in the multi-module splicing process can be solved, and the operation is convenient.

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Example 1:

referring to fig. 1 and 2, an embodiment of the present utility model provides a connection structure 1 between modular building structures, provided with an upper insert 11, a connection member 12 and a lower insert 13; the upper plug-in 11 is used for being simultaneously clamped at the lower end parts of the first to-be-connected pieces 2; the lower plug-in 13 is used for being simultaneously clamped at the upper end parts of the second to-be-connected pieces 3; the connecting pieces 12 are connected between the lower end of the upper plug-in 11 and the upper end of the lower plug-in 13, the upper plug-in 11 and the lower plug-in 13 are respectively used for connecting a plurality of first to-be-connected pieces 2 and a plurality of second to-be-connected pieces 3 to the connecting pieces 12, the first to-be-connected pieces 2 and the second to-be-connected pieces 3 are of the same structure, for example, 4 first to-be-connected pieces 2 positioned above the connecting structure 1 and 4 corresponding second to-be-connected pieces 3 positioned below the connecting structure 1 are also arranged, so that the connecting structure 1 can simultaneously realize the connection of 8 to-be-connected pieces 12 (modularized steel structures), the problem that construction space is lacked in the multi-module splicing process can be solved, and the operation is convenient; in addition, the connecting piece 12 is a plate body, and the shape of the plate body is matched with the outline of the outermost periphery of the aggregate of the connecting pieces 12 on the upper surface and the lower surface of the plate body, so as to be capable of receiving all the connecting pieces 12 without affecting the overall aesthetic property, for example, the plate body is quadrilateral; because the connecting piece 12 is fixedly connected with the upper plug-in 11 and the lower plug-in 13, for example, welding, the whole connecting structure 1 is of an integrated structure from top to bottom, and meanwhile, the connecting pieces 12 to be connected which are positioned above and below in the vertical direction form an integrated structure formed by a plurality of connecting pieces 12 to be connected by being clamped on the connecting pieces 12, so that the integral stress performance of the structure can be increased, and the stability of the integrated structure is ensured.

Referring to fig. 1 and 2, in order to further increase the stress performance of the whole structure and facilitate the connection operation of the two end to-be-connected members 12, the lower insert 13 and the upper insert 11 are in a symmetrical structure with respect to the connecting members 12, wherein the upper insert 11 is provided with a plurality of upper plug-in portions 111, the upper plug-in portions 111 are arranged above the connecting members 12 along the vertical direction, the plurality of upper plug-in portions 111 are distributed around the vertical direction, the upper plug-in portions 111 are arranged at a first preset distance from each other, the plurality of upper plug-in portions 111 are in one-to-one corresponding clamping connection with the lower end portions of the plurality of first to-be-connected members 2, and the first preset distance is used for facilitating the two adjacent first to-be-connected members 2 to be sleeved outside the two adjacent plug-in portions to be clamped to the connecting members 12, so that the first preset distance is equal to 2 times the first to-be-connected thickness. Symmetrically, the lower plug-in unit 13 is provided with a plurality of lower plug-in parts 131, the lower plug-in parts 131 are arranged below the connecting piece 12 along the vertical direction, the lower plug-in parts 131 are arranged at a second preset distance from each other, the plurality of lower plug-in parts 131 are in one-to-one corresponding clamping connection with the upper end parts of the plurality of second to-be-connected pieces 3, and specifically, the second preset distance is equal to the first preset distance.

Referring to fig. 1 and 2, in order to further improve the connection stability, the upper plug portion 111 is provided with a first board 1111 and a second board 1112 connected to each other, an intersection line of one edge of the first board 1111 and one edge of the second board 1112 is extended along a vertical direction, and a first preset angle a is formed between the first board 1111 and the second board 1112, wherein the first preset angle a is matched with the inside of the lower end of the first to-be-connected member 2, for example, a right angle or any other angle; the first plate 1111 and the second plate 1112 may be the same or different, and specifically, are matched with each other by an internal matching shape at the lower end of the first part to be connected 2; symmetrically, the lower plug portion 131 is provided with a third plate 1311 and a fourth plate 1312 that are connected; the intersection line of one edge of the third plate body 1311 and one edge of the fourth plate body 1312 extends along the vertical direction, and a second preset angle b is formed between the third plate body 1311 and the fourth plate body 1312, where the third plate body 1311 and the second plate body 1112 are the same, the fourth plate body 1312 is the same as the first plate body 1111, the second preset angle b is the same as the first preset angle a, for example, when the upper plug-in portion 111 and the lower plug-in portion 131 are 4 as shown in fig. 1, the first preset angle a and the second preset angle b are both right angles, two plate bodies of each upper plug-in portion 111 are respectively arranged opposite to one plate body of the adjacent plug-in portion 111, and the distances between every two adjacent plate bodies of different plug-in portions 111 are the same, that is, the intersection line of two plate bodies of each upper plug-in portion 111 is located in the central area of the cross section of the upper plug-in portion 11, so that the middle of 4 upper plug-in portions 111 forms a cross-shaped space, and the lower plug-in portion 131 is the upper plug-in portion 111, which is not described in detail; the upper plug-in part 111 and the lower plug-in part 131 are arranged at a certain angle and are matched and plugged with the to-be-connected piece 12, so that the relative rotation of the plug-in part and the to-be-connected piece 12 is avoided, and the plug-in stability can be improved to a certain extent.

Referring to fig. 1 and 2, in order to prevent play between the connection structure 1 and the first to-be-connected member 2 and the second to-be-connected member 3, the connection stability is further improved; the upper insert 11 is further provided with a plurality of first cover plates 112; the first cover plates 112 are in one-to-one correspondence with the upper plug-in parts 111, the shape of each first cover plate 112 is matched with the outer side of the lower end of the corresponding first part to be connected 2, each first cover plate 112 is used for detachably fixing the corresponding upper plug-in part 111 and the corresponding first part to be connected 2, namely, after the corresponding first part to be connected 2 is clamped with the corresponding upper plug-in part 11, each first cover plate 112 is attached to the outer side of the lower end of the corresponding first part to be connected 2, and then the corresponding upper plug-in part 11, the corresponding first part to be connected 2 and the corresponding first cover plate 112 are fixed together through bolts, rivets or other fixing modes; because the lower end of the first to-be-connected member 2 and the upper end of the second to-be-connected member 3 are in a symmetrical structure relative to the connecting member 12, correspondingly, the lower plug-in member 13 is further provided with a plurality of second cover plates 132, the plurality of second cover plates 132 are in one-to-one correspondence with the plurality of lower plug-in parts 131, the shape of the second cover plates 132 is adapted to the outer side of the upper end of the second to-be-connected member 3, the second cover plates 132 are used for detachably fixing the lower plug-in parts 131 and the second to-be-connected member 3, and the fixing mode of the second to-be-connected member 3 is referred to the first to-be-connected member 2, which is not repeated herein.

Referring to fig. 1 and 2, in order to further enhance the mechanical properties of the overall structure after installation, the upper insert 11 is further provided with a plurality of first pair of pull portions 113, where the first pair of pull portions 113 are disposed on two adjacent upper plug portions 111 and the first cover plates 112 located outside the two upper plug portions 111 respectively, that is, the first pair of pull portions 113 can fix two adjacent first to-be-connected members 2 simultaneously, and the plurality of first to-be-connected members 2, the plurality of first cover plates 112 and the plurality of upper plug portions 111 are sequentially connected around the vertical direction to form an overall structure, so that the mechanical properties are integrally improved; the first split bolt 113 may be a split bolt, and two split bolts may be arranged at intervals along the vertical direction in order to improve the fixing effect of the split bolt; symmetrically, the lower insert 13 is also provided with a plurality of second pair of pull-out portions 133; the second pair of pull portions 133 are disposed on two adjacent lower plug portions 131 and the second cover plate 132 disposed outside each of the two lower plug portions 131, and refer specifically to the description of the upper plug portion 111, which is not described in detail herein.

In addition, after the first to-be-connected members 2 and the second to-be-connected members 3 are respectively connected and fixed with the upper plug-in component 11 and the lower plug-in component 13, the first to-be-connected members 2 and the second to-be-connected members 3 are welded on the connecting members 12 to form an integral structure, so that the stress performance of the integral structure can be further increased.

It should be emphasized that, since the present embodiment relates to the connection of the modular steel structures, that is, the to-be-connected members 12 are all of the same structure, the plurality of upper plugging portions 111 are also the same, but the adaptation of the upper plugging portions 111 is not affected on the basis of the present embodiment, so as to match the to-be-connected members 12 different from each other, for example, the upper plugging portions 111 may be divided into two groups, the first group is that two upper plugging portions 111 with preset angle of 120 degrees are oppositely arranged, the second group is that upper plugging portions 111 with preset angle of 60 degrees are oppositely arranged, and the two groups of upper plugging portions 111 are distributed above the connecting members 12 around the vertical direction; the lower plug-in portion 131 may be the same as or different from the upper plug-in portion 111, so as to achieve the fixed connection of the upper and lower parts of the to-be-connected member 12.

Example 2:

referring to fig. 2 and 3, the present embodiment provides a building structure provided with a connection structure 1, a plurality of first members to be connected 2, and a plurality of second members to be connected 3 in embodiment 1; the upper plug-in component 11 is simultaneously clamped at the lower end parts of the first to-be-connected components 2; the lower plug-in 13 is simultaneously clamped at the upper end parts of the second to-be-connected pieces 3; the upper plug-in 11 and the lower plug-in 13 correspondingly connect the first to-be-connected pieces 2 and the second to-be-connected pieces 3 to the connecting pieces 12, wherein the sizes of the first to-be-connected pieces 2 and the second to-be-connected pieces 3 are determined according to the actual stress requirements of the first to-be-connected pieces 2 and the second to-be-connected pieces 3, and the connecting structure 1 is matched with the size of the to-be-connected pieces 12.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (8)

1. A connection structure between modular building structures, characterized in that:

comprises an upper plug-in (11), a connecting piece (12) and a lower plug-in (13);

the upper plug-in component (11) is used for being simultaneously clamped at the lower end parts of the first to-be-connected components (2);

the lower plug-in component (13) is used for being simultaneously clamped at the upper end parts of the second to-be-connected components (3);

the connecting piece (12) is connected between the lower end of the upper plug-in piece (11) and the upper end of the lower plug-in piece (13), and the upper plug-in piece (11) and the lower plug-in piece (13) are respectively used for connecting a plurality of first to-be-connected pieces (2) and a plurality of second to-be-connected pieces (3) to the connecting piece (12).

2. The modular building inter-structure connection of claim 1, wherein:

the lower plug-in piece (13) and the upper plug-in piece (11) are in a symmetrical structure relative to the connecting piece (12);

the upper insert (11) comprises a plurality of upper plug-in parts (111);

the upper plug-in parts (111) are arranged above the connecting piece (12) along the vertical direction, and the upper plug-in parts (111) are arranged at a first preset distance from each other;

the upper plug-in parts (111) are correspondingly clamped with the lower end parts of the first to-be-connected pieces (2) one by one;

the lower insert (13) comprises a plurality of lower plug-in parts (131);

the lower plug-in parts (131) are arranged below the connecting piece (12) along the vertical direction, and the lower plug-in parts (131) are arranged at a second preset distance from each other;

the lower plug-in parts (131) are in one-to-one corresponding clamping connection with the upper end parts of the second to-be-connected pieces (3).

3. The modular building inter-structure connection of claim 2, wherein:

the upper plug-in part (111) comprises a first plate body (1111) and a second plate body (1112) which are connected with each other;

an intersection line of one edge of the first plate body (1111) and one edge of the second plate body (1112) extends along a vertical direction, and a first preset angle (a) is formed between the first plate body (1111) and the second plate body (1112);

the lower plug-in part (131) comprises a third plate body (1311) and a fourth plate body (1312) which are connected with each other;

an intersection line of one edge of the third plate body (1311) and one edge of the fourth plate body (1312) extends along the vertical direction, and a second preset angle (b) is formed between the third plate body (1311) and the fourth plate body (1312).

4. The modular building inter-structure connection of claim 2, wherein:

the lower end of the first to-be-connected piece (2) and the upper end of the second to-be-connected piece (3) are in a symmetrical structure relative to the connecting piece (12);

the upper insert (11) further comprises a plurality of first cover plates (112);

the first cover plates (112) are in one-to-one correspondence with the upper plug-in parts (111), and the shape of the first cover plates (112) is matched with the outer side of the lower end of the first part (2) to be connected;

the first cover plate (112) is used for detachably fixing the upper plug-in part (111) and the first part to be connected (2);

the lower insert (13) further comprises a plurality of second cover plates (132);

the second cover plates (132) are in one-to-one correspondence with the lower plug-in parts (131), and the shape of the second cover plates (132) is matched with the outer side of the upper end of the second to-be-connected piece (3);

the second cover plate (132) is used for detachably fixing the lower plug-in part (131) and the second to-be-connected piece (3).

5. The modular building inter-structure connection of claim 4, wherein:

the upper insert (11) further comprises a plurality of first pairs of pull portions (113);

the first pair of pull parts (113) are arranged on the two adjacent upper plug parts (111) in a penetrating way and the first cover plates (112) positioned on the outer sides of the two upper plug parts (111) respectively;

the lower insert (13) further comprises a plurality of second pair of pull-ups (133);

the second pair of pull parts (133) are arranged on the two adjacent lower plug parts (131) in a penetrating way and the second cover plates (132) positioned on the outer sides of the two lower plug parts (131) respectively.

6. A modular building inter-structure connection as claimed in claim 3, wherein:

the number of the upper plug-in parts (111) and the number of the lower plug-in parts (131) are 4, and the first preset angle (a) and the second preset angle (b) are right angles.

7. The modular building inter-structure connection of claim 6, wherein:

4 upper plug-in parts (111) enclose a cross-shaped space;

4 lower plug-in parts (131) enclose a cross-shaped space.

8. A building structure, characterized in that:

comprising a connection according to any one of claims 1 to 7, a plurality of first members to be connected (2) and a plurality of second members to be connected (3);

the upper plug-in component (11) is simultaneously clamped at the lower end parts of the first to-be-connected components (2);

the lower plug-in component (13) is simultaneously clamped at the upper end parts of the second to-be-connected components (3);

the upper plug-in (11) and the lower plug-in (13) correspondingly connect a plurality of the first to-be-connected pieces (2) and a plurality of the second to-be-connected pieces (3) to the connecting pieces (12).