CN110273512B

CN110273512B - Assembled stair subassembly, stair and building body

Info

Publication number: CN110273512B
Application number: CN201910646456.8A
Authority: CN
Inventors: 王征
Original assignee: Jindianshi Beijing Architectural Design Consulting Service Co ltd
Current assignee: Jindianshi Beijing Architectural Design Consulting Service Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-08-06
Anticipated expiration: 2039-07-17
Also published as: CN110273512A

Abstract

The embodiment of the invention discloses an assembly type stair component, a stair and a building body, which relate to the field of buildings and comprise the following components: the mounting surface is provided with a first mounting groove; a first mounting hole matched with the first mounting groove is formed in the stair tread; the stair tread is arranged on the mounting surface, and the first mounting groove corresponds to the first mounting hole; the first connecting piece comprises a first limiting part and a first inserting part; first grafting portion pegs graft and fixes in first mounting groove along first mounting hole, and first spacing portion fixes the stair tread on the installation face to the restriction stair tread breaks away from the installation face of girder. Through the fixed between first grafting portion and the first mounting groove, fix the stair tread on the installation face of girder, restriction stair tread breaks away from the installation face to just can make and form fixed Assembly between stair tread and the girder, the assembly is more stable between the two, transversely and vertically all can play the effect of restriction two separation.

Description

Assembled stair subassembly, stair and building body

Technical Field

The embodiment of the invention relates to the field of buildings, in particular to an assembly type stair assembly, a stair and a building body.

Background

According to Chinese building energy consumption research report (2017) issued by the Chinese building energy conservation Association, it is shown that steel products of 1/3 nationwide, 60-70% of cement, 1/3 urban construction land, 1/3 urban water and 40-50% of energy are consumed in the whole life cycle of the house building, and the influence on energy, resources and environment is huge. The traditional building industry is a highly-polluted, highly-energy-consuming and environment-unfriendly industry, has low industrialization degree, large water consumption, energy consumption, artificial garbage and sewage discharge amount, does not accord with the national sustainable development policy of energy conservation and environmental protection, and needs a large amount of labor force.

In recent years, with the continuous improvement of living standard of people, the requirements of people on building speed, building cost, construction quality, energy conservation, environmental protection and the like in the building industry such as houses and the like are also continuously improved, and in order to save resources and energy, reduce construction pollution, improve labor production efficiency and quality safety level, develop green buildings and advanced construction modes, the nation advocates a modern assembly type building system from 2016. The development of the assembly type building is a great change of the construction mode, is an important measure for promoting the structural reform of the supply side and the novel urbanization development, is favorable for saving resource and energy, reducing construction pollution, improving labor production efficiency and quality safety level, and is favorable for promoting the deep integration of the building industry and the information industrialization, cultivating new kinetic energy of new industry and promoting the excess capacity of chemical solution. The assembly type structure is adopted, standardized design, factory production, even product production, assembly construction, integrated decoration, informatization management and intelligent application can be realized, the construction efficiency is effectively improved, the cost is reduced, energy and resources are saved, construction waste and adverse effects on the environment are reduced, the technical level and the engineering quality are improved, and the transformation and the upgrade of the construction industry are promoted.

Building industrialization is the development direction of future building industry, and assembly type buildings are hot spots of research and development practices of institutions of various departments and schools and building enterprises in recent years, various prefabricated components are rich in form and variety, and novel, high-quality and different-performance prefabricated component products are developed rapidly and widely applied, but because China is weak and late in the field of assembly type buildings, many defects exist in the field, for example, the stairs of the existing assembly type buildings adopt the mode of traditional prefabricated stairs, the stairs are divided into three parts according to floor height and staircase size in factories, namely rest boards, stair beams and stair sections, and then the prefabricated components are respectively prefabricated in processing factories and assembled and welded during construction, so that on one hand, one component is decomposed into three parts, the workload of pouring and construction is increased, and further, the manufacturing and construction costs are increased, on the other hand, the disassembled stair component is not a standardized product, is still independently cast by independently adjusting a mold according to the floor height and the size of the stair well, is still a customized product, and has high cost.

Disclosure of Invention

The embodiment of the invention aims to provide an assembly type stair assembly, a stair and a building body, which are used for solving the technical problems of the existing assembly type stair in the prior art, such as increase of the workload of pouring and construction, increase of the cost of manufacturing and construction, customization instead of commercialization and the like.

To solve the above technical problem, an embodiment of the present invention provides a fabricated stair assembly, including:

the mounting structure comprises at least one main beam with a step-shaped mounting surface, wherein a first mounting groove is formed in the mounting surface; and the number of the first and second groups,

the stair tread is provided with a first mounting hole matched with the first mounting groove of the main beam; the stair treads are arranged on the mounting surface, and the first mounting holes correspond to the first mounting grooves; and the number of the first and second groups,

the first connecting piece comprises a first limiting part and a first inserting part which are connected with each other; the first inserting portion is inserted and fixed in the first mounting groove along the first mounting hole, and the stair tread is fixed on the mounting surface by the first limiting portion so as to limit the stair tread to be separated from the mounting surface.

Further, the method also comprises the following steps:

the second connecting piece comprises a second limiting part and a second inserting part;

a first through hole is formed in the side wall of the main beam and communicated with the first mounting groove; the first inserting part is provided with a second through hole matched with the first through hole in position and size;

the second inserting portion is inserted and fixed in the first through hole and the second through hole so as to limit the first connecting piece to be separated from the first mounting groove.

Furthermore, a first sliding insertion structure is arranged on the second insertion part;

the hole walls of the inner holes of the first through hole and the second through hole are provided with second sliding insertion structures matched with the first sliding insertion structures;

the first sliding insertion structure penetrates through the first through hole and the second through hole along the second sliding insertion structure and can be clamped on the first insertion part to limit the second connecting piece to be separated from the first through hole and/or the second through hole.

Further, the second inserting part comprises an inserting column; the first sliding insertion structure is positioned at the end part of the insertion column body;

the inserting column is inserted into the first through hole and the second through hole, and the first sliding inserting structure can be clamped on the outer wall of the opposite side of the first inserting portion through rotation.

Further, the first sliding and inserting structure comprises a sliding block, and the second sliding and inserting structure comprises a sliding groove matched with the sliding block;

the inner wall of the opposite side of the first inserting part is provided with a clamping groove, and the sliding block is clamped in the clamping groove.

Furthermore, a first elastic piece is arranged on the second inserting part, and the first elastic piece is close to the second limiting part;

when the second inserting part is inserted into the first through hole and the second through hole, the first elastic piece is elastically abutted against the side wall of the main beam.

Further, the method also comprises the following steps:

the top end of at least one main beam extends to form a platform beam, and the rest platform is installed on the platform beam;

a second mounting groove is formed in the platform beam; a second mounting hole matched with the second mounting groove is formed in the rest platform, and the second mounting hole is connected with the second mounting groove through a third connecting piece;

the third connecting piece comprises a third limiting part and a third inserting part which are connected with each other; the third inserting portion is inserted and fixed in the second mounting groove along the second mounting hole, and the third limiting portion fixes the rest platform on the platform beam so as to limit the rest platform to be separated from the platform beam.

Further, the method also comprises the following steps:

the fourth connecting piece comprises a fourth limiting part and a fourth inserting part;

a third through hole is formed in the side wall of the platform beam and communicated with the second mounting groove; a fourth through hole matched with the third through hole in position and size is formed in the third plugging part;

the fourth plugging part is plugged and fixed in the third through hole and the fourth through hole so as to limit the third connecting piece to be separated from the second mounting groove.

Further, the method also comprises the following steps:

a beam and a beam stop block;

the end parts of the main beam and the platform beam are at least respectively provided with at least one first plug-in structure, and the cross beam is provided with at least one third plug-in structure matched with the cross beam; the first plug-in structure is plugged and assembled with the third plug-in structure; a fourth inserting structure is arranged at the end part of the cross beam, and the cross beam is inserted and assembled with the wall body through the fourth inserting structure;

the beam limiting blocks are arranged on the cross beams lapped between the 2 adjacent main beams and the platform beams so as to limit the adjacent main beams and the platform beams to approach oppositely; and the beam limiting block is provided with a second plug-in structure matched with the beam limiting block, and the second plug-in structure is in plug-in assembly with the third plug-in structure.

Further, the method also comprises the following steps:

the handrail assembly comprises a handrail and a plurality of insertion rods, and the insertion rods are uniformly arranged on the bottom end surface of the handrail; the inserting end of the inserting rod is provided with a locking block and a limiting plate;

the first connecting piece positioned on the same side is provided with a handrail jack, and a locking groove matched with the locking block is also arranged in the handrail jack; the insertion end is inserted and assembled in the handrail insertion hole, the locking block is inserted into the locking groove and locked in the locking groove through rotation of the insertion end; the limiting plate is abutted against the first connecting piece and used for limiting the inserting depth of the inserting end.

Furthermore, still install the second elastic component on the grafting end, the second elastic component is close to limiting plate connects.

The invention also provides a stair comprising the assembled stair assembly.

The invention also provides a building body which comprises the assembled stair component; or, comprise the staircase.

In the technical scheme, the main beam is provided with a step-shaped mounting surface, and the step-shaped mounting surface can be matched with a stair tread. The stair tread is characterized in that a first mounting groove is formed in the mounting surface, and is matched with the first mounting groove, and a first mounting hole which can correspond to the first mounting groove is formed in the stair tread. When the stair tread is installed on the installation surface, the first installation hole and the first installation groove can be mutually butted, and the stair tread is fixed on the main beam through the first connecting piece. When the stair treads are placed on each layer of the stepped installation surface of the main beam, the first installation grooves and the first installation holes can correspond to each other. At the moment, the first inserting part is inserted into the first mounting groove along the first mounting hole, so that the first inserting part is inserted into the first mounting groove and fixed in the first mounting groove, and the stair treads can be mounted on the main beam to form a stair. And the first limiting part can be close to and abut against the outer edge of the first mounting hole along with the first inserting part, the stair tread is fixed on the mounting surface through the fixation between the first inserting part and the first mounting groove, and the stair tread is limited to be separated from the mounting surface, so that the fixed assembly between the stair tread and the main beam can be formed, the assembly between the stair tread and the main beam is more stable, the effect of limiting the separation between the stair tread and the main beam can be achieved in the transverse direction and the longitudinal direction, and the assembly stability is improved. In addition, this assembled stair subassembly not only can be applicable to the dual-race stair, can also be applicable to structures such as single race stair, three-race stair, four-race stair and arc stair.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

FIG. 1 is a perspective view of a main beam in one embodiment of the present invention;

FIG. 2 is a perspective view of a stair tread according to one embodiment of the present invention;

FIG. 3 is a perspective view of a first connector in accordance with one embodiment of the present invention;

FIG. 4 is a perspective view of a first connector of another embodiment of the present invention, FIG. 1;

FIG. 5 is a perspective view 2 of the first connector shown in FIG. 4;

FIG. 6 is a perspective view 3 of the first connector shown in FIG. 4;

FIG. 7 is a block diagram of a first mounting slot in accordance with one embodiment of the present invention;

FIG. 8 is a block diagram of a first mounting slot in one embodiment of the present invention FIG. 2;

FIG. 9 is a perspective view of a second connector of one embodiment of the present invention, FIG. 1;

FIG. 10 is a perspective view of a second connector of one embodiment of the present invention, FIG. 2;

FIG. 11 is a perspective view of a second through hole in one embodiment of the present invention;

FIG. 12 is a schematic view of a splice end in accordance with an embodiment of the present invention;

FIG. 13 is an exploded view of a main beam, beam stops, and cross beams in one embodiment of the present invention;

FIG. 14 is an assembly view of the stair of FIG. 1 in accordance with one embodiment of the present invention;

FIG. 15 is an assembly view of the staircase of FIG. 2 in accordance with one embodiment of the present invention;

fig. 16 is an assembly view of the staircase of fig. 3 in accordance with one embodiment of the invention.

1. A main beam; 2. a stair tread;

3. a first connecting member; 4. a second connecting member;

5. a platform beam; 6. a resting platform;

7. an armrest assembly; 8. a beam stop block;

9. a cross beam;

11. a mounting surface; 12. a first mounting groove;

13. a first through hole; 14. a spacer block;

21. a first mounting hole; 212. a limiting step;

31. a first limiting part; 32. a first insertion part;

33. a second through hole;

311. pressing the plate body;

321. a first patch panel; 322. a second patch panel;

323. a first insertion groove; 324. a second insertion groove;

41. a second limiting part; 42. a second insertion part;

43. a first slide-insertion structure; 44. a second slide-insertion structure;

45. a card slot; 46. a first elastic member; 47. a rotating groove;

51. a first plug-in structure;

71. a handrail insertion hole; 72. a locking groove;

73. a handrail; 74. a plug rod;

75. a plug end; 76. a locking block;

77. a limiting plate; 78. a spring;

81. a second plug-in structure;

91. a third plug-in structure;

92. and a fourth plug structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

Embodiments of the present invention relate to a fabricated stair assembly comprising:

the mounting structure comprises at least one main beam 1 with a step-shaped mounting surface 11, wherein a first mounting groove 12 is formed in the mounting surface 11 of the main beam 1; the stair tread 2 is provided with a first mounting hole 21 matched with the first mounting groove 12 of the main beam 1; the stair treads 2 are arranged on the mounting surface 11 of the main beam 1, and the first mounting grooves 12 correspond to the first mounting holes 21; the first connecting piece 3 comprises a first limiting part 31 and a first inserting part 32; the first inserting portion 32 of the first connecting member 3 is inserted and fixed in the first mounting groove 12 along the first mounting hole 21, and the first limiting portion 31 fixes the stair tread 2 on the mounting surface 11 of the main beam 1 so as to limit the stair tread 2 from being separated from the mounting surface 11 of the main beam 1.

As shown in fig. 3 to 6, the first connecting member 3 includes a first position-limiting portion 31 and a first inserting portion 32, and when the stair treads 2 are placed on the stepped mounting surfaces 11 of each floor of the main beam 1, the first mounting grooves 12 and the first mounting holes 21 can correspond to each other. At this time, the first inserting portion 32 of the first connecting member 3 may be inserted into the first mounting groove 12 along the first mounting hole 21, so that the first inserting portion 32 is inserted and fixed into the first mounting groove 12, and meanwhile, the first limiting portion 31 may approach and abut against the outer edge of the first mounting hole 21 along with the first inserting portion 32, and the stair tread 2 is fixed on the mounting surface 11 of the main beam 1 by fixing the first inserting portion 32 and the first mounting groove 12, so as to limit the stair tread 2 from being separated from the mounting surface 11, and thus the fixed assembly between the stair tread 2 and the main beam 1 is formed.

In one embodiment, there is also provided a manner of mounting the first plug portion 32 and the first mounting slot 12 relative to each other, the assembly stair further comprising: the second connecting piece 4 comprises a second limiting part 41 and a second inserting part 42; a first through hole 13 is formed in the side wall of the main beam 1, and the first through hole 13 is communicated with the first mounting groove 12; the first inserting part 32 of the first connecting piece 3 is provided with a second through hole 33 matched with the first through hole 13 in position and size; the second inserting portion 42 of the second connecting member 4 is inserted and fixed in the first through hole 13 and the second through hole 33 to limit the first connecting member 3 from being separated from the first mounting groove 12.

According to the above structure and as shown in fig. 9 to 11, the second connection member 4 is provided to fix the first insertion part 32 of the first connection member 3 in the first mounting groove 12. In cooperation with the first through hole 13 and the second through hole 33 on the first inserting portion 32 are disposed on the side wall of the main beam 1. The first through hole 13 and the second through hole 33 are corresponding to each other, and the second connecting piece 4 can be inserted after the first through hole 13 and the second through hole 33 are corresponding to each other.

When the second inserting portion 42 is inserted into the first through hole 13 and the second through hole 33, the second limiting portion 41 may abut against an outer wall of the main beam 1, that is, an outer periphery of the first through hole 13, and the second inserting portion 42 of the second connecting member 4 may be prevented from being excessively inserted into the first through hole 13 and the second through hole 33 by a limiting function of the second limiting portion 41, so as to avoid a problem of unstable stress caused by excessive insertion.

In one embodiment, a fixing manner for fixing the second insertion-connection part 42 in the first through hole 13 and the second through hole 33 is further provided, and the second insertion-connection part 42 of the second connection member 4 is provided with a first sliding insertion structure 43; the hole walls of the inner holes of the first through hole 13 and the second through hole 33 are provided with second sliding insertion structures 44 matched with the first sliding insertion structures 43; the first sliding-insertion structure 43 of the second connecting member 4 passes through the first through hole 13 and the second through hole 33 along the second sliding-insertion structure 44, and can be clamped in the first insertion portion 32 to limit the second connecting member 4 from being separated from the first through hole 13 and/or the second through hole 33.

As can be seen from the above structure and with continued reference to fig. 9 to 11, in order to fix the second insertion part 42 in the first through hole 13 and the second through hole 33, the end of the second insertion part 42 is provided with a first sliding insertion structure 43, and the first sliding insertion structure 43 can perform sliding and clamping functions. And the hole walls of the inner holes of the first through hole 13 and the second through hole 33 are both provided with a second sliding insertion structure 44 matched with the first sliding insertion structure 43, so that the second insertion part 42 can be inserted into the first through hole 13 and the second through hole 33 in the process of inserting, and the first sliding insertion structure 43 on the second insertion part 42 can smoothly enter the first through hole 13 and the second through hole 33 along the second sliding insertion structure 44 in the process of inserting.

When the second insertion part 42 is inserted into the first through hole 13 and the second through hole 33 and inserted into a predetermined position, that is, the first sliding insertion structure 43 on the second insertion part 42 reaches a predetermined position capable of being relatively fixed to the second insertion part 42 in a clamping manner, the first sliding insertion structure 43 on the second insertion part 42 may be rotated to be relatively dislocated from the second sliding insertion structure 44, and after the dislocation, the first sliding insertion structure 43 cannot reversely return along the second sliding insertion structure 44, so that the first sliding insertion structure 43 is clamped on the outer wall of the opposite side of the first insertion part 32.

At this time, the first sliding-insertion structure 43 is in a clamping state and cannot return along the second sliding-insertion structure 44, so that the second connector 4 can be limited from being separated from the first through hole 13 and the second through hole 33, and the second connector 4 is fixed to the first through hole 13 and the second through hole 33. Thereby also ensuring that the first connecting piece 3 cannot be separated from the first mounting groove 12, and forming stable assembly between the stair tread 2 and the main beam 1.

Preferably, the second plug part 42 comprises a plug cylinder; the first sliding insertion structure 43 is located at the end of the insertion column; the plug column is plugged in the first through hole 13 and the second through hole 33, and the first sliding plug structure 43 can be clamped on the outer wall of the opposite side of the first plugging portion 32 through rotation.

With continued reference to fig. 9 to 11, the second insertion portion 42 may adopt a structure of an insertion cylinder, and when the insertion cylinder is inserted into the first through hole 13 and the second through hole 33, the insertion cylinder can flexibly rotate in the first through hole 13 and the second through hole 33, and the position of the first sliding insertion structure 43 on the second insertion portion 42 is arbitrarily rotated, so that the first sliding insertion structure 43 is clamped on a proper position of the outer wall of the opposite side of the first insertion portion 32, and a reasonable position margin can be selected according to a stress relationship. Not only is the rotation flexible and the assembly easy, but also the relative position relationship between the first sliding insertion structure 43 and the second sliding insertion structure 44 can be determined arbitrarily.

Further, a rotating groove 47 is formed in the second limiting portion 41 and used for rotating the inserting column. As shown in fig. 9, the rotation groove 47 can be used to insert an operating member such as a rotating handle to be engaged therewith, thereby rotating the insertion cylinder by the rotating handle. The rotation groove 47 may be in the form of a straight line, or may be in the form of a cross, a triangle, a hexagon, or the like.

Preferably, the first sliding-insertion structure 43 includes a sliding block, and the second sliding-insertion structure 44 includes a sliding slot matched with the sliding block. As shown in fig. 11, the second sliding-insertion structure 44 located on the second through hole 33 adopts a sliding groove structure (the second sliding-insertion structure 44 on the first through hole 13 is identical to the second sliding-insertion structure 44 on the second through hole 33), when the second through hole 33 is provided with a sliding groove structure, the first sliding-insertion structure 43 on the corresponding second insertion portion 42 needs to be provided with a sliding block structure corresponding to the sliding groove, and the sliding groove and the sliding block can be in relative sliding fit, so that the second insertion portion 42 can smoothly enter the first through hole 13 and the second through hole 33 in the sliding process between the sliding groove and the sliding block.

Further, a clamping groove 45 is formed in the inner wall of the opposite side of the first inserting portion 32, and the sliding block is clamped in the clamping groove 45. As shown in fig. 3 and 4, the slider can be clamped in the clamping groove 45 by using the clamping groove 45, so that the assembly is more stable.

Further, a first elastic member 46 is arranged on the second inserting portion 42 of the second connecting member 4, and the first elastic member 46 is close to the second limiting portion 41 of the second connecting member 4; when the second inserting portion 42 of the second connecting member 4 is inserted into the first through hole 13 and the second through hole 33, the first elastic member 46 elastically abuts against the sidewall of the main beam 1.

The first elastic member 46 has an elastic force, and the first elastic member 46 is close to the second limiting portion 41 of the second connecting member 4, and when the second inserting portion 42 of the second connecting member 4 is inserted into the first through hole 13 and the second through hole 33, the first elastic member 46 can elastically abut against the side wall of the main beam 1. At this time, the second inserting portion 42 of the second connecting member 4 is fixed in the second through hole 33 in a clamping manner through the first sliding inserting structure 43, and on one side of the second connecting member 4 close to the second limiting portion 41, two ends of the first elastic member 46 are respectively elastically abutted between the side wall of the main beam 1 and the second limiting portion 41, so that the second inserting portion 42 forms an elastic fastening effect in the axial direction of the first through hole 13 and the second through hole 33, the second connecting member 4 can further press the first connecting member 3 in the axial direction of the first through hole 13 and the second through hole 33, and the first connecting member 3 is more firmly pressed in the first mounting groove 12, so that the assembly between the stair tread 2 and the main beam 1 is more stable, and the looseness caused by vibration in the using process is avoided.

Preferably, the first elastic member 46 includes a spring; the spring is sleeved on the second insertion part 42 of the second connecting piece 4. Based on the structure of the spring, because the spring has an axial center hole, the spring can be entirely sleeved on the second insertion part 42 through the center hole of the spring, so that another process step of relatively assembling the first elastic piece 46 and the second insertion part 42 is omitted, and the sleeving connection of the spring and the second insertion part 42 belongs to mechanical connection, so that the connection is more stable.

Preferably, the first limiting portion 31 includes a pressing plate 311, and the first inserting portion 32 includes a first inserting plate 321 and a second inserting plate 322; the first plug board 321 and the second plug board 322 are vertically installed on the side wall of the pressing plate 311, and the first plug board 321 and the second plug board 322 are relatively parallel; a first inserting groove 323 is formed in the first inserting plate 321, and a second inserting groove 324 is formed in the second inserting plate 322; the first inserting groove 323 and the second inserting groove 324 have the same width and are corresponding to each other; the first installation groove 12 is internally provided with a spacing block 14, and the first insertion groove 323 and the second insertion groove 324 are both in relatively limited insertion connection with the spacing block 14.

Referring to fig. 3, based on the above structure, the first socket plate 321 has a first socket groove 323, and the second socket plate 322 has a second socket groove 324. As shown in fig. 7 and 8, correspondingly, a spacing block 14 is disposed in the first mounting groove 12 and is opposite to and matched with the first insertion groove 323 and the second insertion groove 324. Therefore, the first insertion groove 323 and the second insertion groove 324, which are equal in width and also correspond in position to each other, can be simultaneously inserted into the spacer block 14.

After the first inserting portion 32 of the first connecting member 3 is inserted into the first mounting groove 12, the first inserting groove 323 and the second inserting groove 324 are inserted into the spacing block 14 in the first mounting groove 12. At this time, the first inserting-connecting part 32 of the first connecting member 3 can be restricted from moving in the first mounting groove 12 by restricting the first inserting-connecting groove 323 and the second inserting-connecting groove 324 by the spacer 14, and even if the structure of the first inserting-connecting part 32 of the first connecting member 3 is not completely matched with the structure of the first mounting groove 12, the first inserting-connecting part 32 can be stably inserted in the first mounting groove 12, thereby saving the design time and the design cost of the first mounting groove 12 and the first inserting-connecting part 32 on the structure. After the first inserting portion 32 is inserted into the first mounting groove 12, the force of the external force is firstly applied between the spacer block 14 and the first inserting groove 323 and the second inserting groove 324, so as to prevent the problem of unstable structure caused by excessive stress on other parts.

In addition, the structure of the plate body of the first limiting part 31 also facilitates packaging and transportation.

Preferably, the first limiting portion 31 includes a pressing plate 311, and the first inserting portion 32 includes at least one inserting plate; the plug board body is vertically installed on one side surface of the press-fit board body 311. In addition to the above-described embodiments, in order to simplify the overall mounting structure, only the first limiting portion 31 of the first connector 3 may be provided in the form of a plate body structure of the press-fit plate body 311, the first insertion portion 32 may be provided in the form of a plate body structure of the insertion plate body, and the first limiting portion 31 may be formed by the press-fit plate body 311 and the insertion plate body.

During installation, the inserting plate body is inserted into the first installing groove 12, and the pressing plate body 311 is used for fixing the stair tread 2 on the main beam 1, so that the assembly is formed between the stair tread 2 and the main beam 1. And, through the second grafting portion 42 grafting of second connecting piece 4 on first through-hole 13 and second through-hole 33, form the locking to first connecting piece 3, make first connecting piece 3 unable to break away from first mounting groove 12, thus make and constitute stable assembly structure between stair tread 2 and the girder 1. In particular, reference is also made to the above description.

Preferably, a limit step 212 corresponding to the first limit portion 31 of the first connector 3 is arranged on a circumference of an inner ring of the first mounting hole 21, and the structure of the first limit portion 31 is matched with the structure of the outer circumference of the limit step 212.

As shown in fig. 2, a limit step 212 is disposed around the inner ring of the first mounting hole 21, and the limit step 212 is disposed in cooperation with the first limit portion 31 of the first connecting member 3, so that the first limit portion 31 of the first connecting member 3 can be accommodated in the first mounting hole 21. The first stopper 31 has the same structure as the outer circumference of the stopper step 212. For example, when the first position-limiting portion 31 has a rectangular structure, the position-limiting step 212 has a rectangular structure, and the height or thickness of the two is the same, so that the first position-limiting portion 31 is integrally located inside the first mounting hole 21 when the stair tread 2 is fixed, and is assembled with the position-limiting step 212 inside the first mounting hole 21 in a relatively engaged manner.

Through the relative fit assembly of the first limiting part 31 and the limiting step 212, the first connecting piece 3 can be completely positioned in the first mounting hole 21 during assembly, and the surface of the stair tread 2 is ensured to be a flat surface without a protruding or sunken structure. During the use of the stair tread 2, the user does not have the problem of walking inconvenience due to the inconsistent raised or recessed structures.

Preferably, the number of the main beams 1 is 2; the 2 main beams 1 are arranged in parallel relatively, and the first mounting grooves 12 on the 2 main beams 1 are arranged close to the outer sides of the main beams 1.

As shown in fig. 12, when the main beams 1 and the stair treads 2 are assembled relatively, the number of the main beams 1 is 2, and after the 2 main beams 1 are arranged relatively in parallel, the stair treads 2 can be assembled on the 2 main beams 1. The two ends of the stair tread 2 are respectively erected on the two main beams 1 which are parallel to each other, the stress at the two ends is even, and the stability is high. As shown in fig. 2, the first installation groove 12 is provided toward the outer side of the main beam 1, which allows the installation structure between the stair tread 2 and the main beam 1 to be provided toward both ends of the stair tread 2.

Further, the method also comprises the following steps: a rest platform 6; the top end of at least one main beam 1 extends to form a platform beam 5, and the rest platform 6 is installed on the platform beam 5. As shown in fig. 12 to 15, the fabricated stairway assembly may be provided with a platform beam 5 for assembling a rest platform 6, by which the rest platform 6 can be mounted on the main beam 1 by means of the platform beam 5. As shown in fig. 15, the main beam 1 with the mounting platform 6 is extended from the platform beam 5 at one end, and the rest platform 6 is mounted on the platform beam 5 to form a stair structure. The structure can be assembled and used in a multi-storey or high-rise building.

Further, a second mounting groove is formed in the platform beam 5; a second mounting hole matched with the second mounting groove is formed in the rest platform 6, and the second mounting hole is connected with the second mounting groove through a third connecting piece; the third connecting piece comprises a third limiting part and a third inserting part which are connected with each other; the third inserting portion is inserted and fixed in the second mounting groove along the second mounting hole, and the third limiting portion fixes the rest platform 6 on the platform beam 5 so as to limit the rest platform 6 to be separated from the platform beam 5.

Further, the method also comprises the following steps: the fourth connecting piece comprises a fourth limiting part and a fourth inserting part; a third through hole is formed in the side wall of the platform beam 5 and communicated with the second mounting groove; a fourth through hole matched with the third through hole in position and size is formed in the third plugging part; the fourth plugging part is plugged and fixed in the third through hole and the fourth through hole so as to limit the third connecting piece to be separated from the second mounting groove.

It should be noted that the mounting between the platform beam 5 and the resting platform 6 may also adopt an assembly structure of a second mounting groove and a second mounting hole and matching with a third connecting piece and a fourth connecting piece. The second mounting groove, the second mounting hole, the third connecting member, the fourth connecting member and the related structures may all refer to the assembly manner of the first mounting groove, the first mounting hole, the first connecting member, the second connecting member and the related structures in the foregoing, and thus, the details are not repeated herein.

Further, the method also comprises the following steps: a beam 9 and a beam stopper 8; the end parts of the main beam 1 and the platform beam 5 are at least respectively provided with at least one first plug-in structure 51, and the cross beam 9 is provided with at least one third plug-in structure 91 matched with the first plug-in structure; the first plug structure 51 is plugged and assembled with the third plug structure 91; a fourth plug structure 92 is arranged at the end part of the cross beam 9, and the cross beam 9 is in plug assembly with a wall body through the fourth plug structure 92; the beam limiting blocks 8 are arranged on the cross beams 9 which are lapped between 2 adjacent main beams 1 and platform beams 5 so as to limit the adjacent main beams 1 and platform beams 5 from approaching to each other; and a second plug-in structure 81 matched with the beam limiting block 8 is arranged on the beam limiting block 8, and the second plug-in structure 81 is in plug-in assembly with the third plug-in structure 91.

As shown in fig. 13, the first plug structure 51 is located at the end portions of the platform beam 5 and the main beam, when the assembly type stair assembly is assembled with the cross beam 9, the first plug structure 51 can be directly and oppositely plugged and matched with the third plug structure 91 on the cross beam 9, meanwhile, the first plug structure 51 on the main beam 1 is plugged and assembled with the cross beam 9, and two ends of the cross beam 9 are plugged and assembled with the building wall through the fourth plug structure, so that the assembly of the building can be quickly realized. The number of the first plugging structures 51 can be set to be multiple, and a group of integral structures can be formed by the multiple first plugging structures 51 so as to have a more stable assembling effect when being plugged and assembled with the cross beam 9. Meanwhile, the lower end of the main beam 1 corresponding to the platform beam 5 is also provided with a cross beam 9, and the cross beam is spliced and assembled with the main beam 1.

Meanwhile, the beam limiting blocks 8 can limit the adjacent main beams 1 and the platform beams 5 to approach each other oppositely. As shown in fig. 13 to 16, when the fabricated stair assembly is used by multi-assembly matching to form a multi-story stair, the beam stopper 8 may be installed between the platform beams 5 of adjacent stories. The assembled stair assemblies of the adjacent layers extend along the height direction and are combined in a folding structure mode to form the structural form of the conventional stair. The position between the adjacent platform roof beam 5 utilizes roof beam stopper 8 spacing relatively, can make adjacent platform roof beam 5 can not be close to relatively and cause crooked, guarantees to keep parallel relative state between the adjacent platform roof beam 5 to guarantee the precision and the stability of assembly.

Preferably, the first plug structure 51 comprises a socket and/or a plug. For example, the first plug structure 51 adopts a structure of a socket; correspondingly; the cross beam 9 may adopt a structure of an insertion block, or any structure capable of being matched and inserted with an insertion slot, etc. Similarly, the first plugging structure 51 adopts a structure of a plugging block; correspondingly, the cross beam 9 can adopt a structure of a slot, or a structure which can be matched and spliced with an insertion block at will, and the like. Moreover, the first plugging structure 51 may also adopt a structure that a slot is matched with a plugging block; correspondingly, any structure and the like capable of being matched and plugged with the first plugging structure 51 can be adopted on the cross beam 9.

Preferably, the second plug structure 81 comprises a socket and/or a plug. For example, the second plug structure 81 adopts a structure of a slot; correspondingly; the cross beam 9 may adopt a structure of an insertion block, or any structure capable of being matched and inserted with an insertion slot, etc. Similarly, the second inserting structure 81 adopts an inserting block structure; correspondingly, the cross beam 9 can adopt a structure of a slot, or a structure which can be matched and spliced with an insertion block at will, and the like. Moreover, the second inserting structure 81 can also adopt a structure that the inserting slot is matched with the inserting block; correspondingly, any structure which can be matched and plugged with the second plugging structure 81 can be adopted on the cross beam 9.

As shown in fig. 4 and 15, the present invention further includes: the handrail assembly 7 comprises a handrail 73 and a plurality of insertion rods 74, wherein the insertion rods 74 are uniformly arranged on the bottom end surface of the handrail 73; a locking block 76 and a limiting plate 77 are arranged on the inserting end 75 at the lower part of the inserting rod 74; the first connecting piece 3 positioned on the same side is provided with a handrail insertion hole 71, and a locking groove 72 matched with the locking block 76 is also arranged in the handrail insertion hole 71; the insertion end 75 is inserted into the handle insertion hole 71, the locking block 76 is inserted into the locking groove 72, and is locked in the locking groove 72 by the rotation of the insertion end 75; the limit plate 77 abuts against the first connector 3 for limiting the insertion depth of the insertion end 75.

As can be seen from fig. 4 and 12, the stair may be further provided with a handrail assembly 7, and the handrail assembly 7 may be assembled to fit a handrail insertion hole 71 formed in the first limiting portion 31 of the first connecting member 3. The first connecting piece 3 matched with the first installing hole 21 of the longitudinal column at one side of the stair tread 2 can be provided with a handrail inserting hole 71, and the handrail component 7 is assembled in the handrail inserting hole 71 in an inserted mode. During assembly, the locking block 76 can be inserted into the locking groove 72 along with the insertion, at the moment, the locking block 76 can be locked in the locking groove 72 by rotating the insertion end 75, and the limiting plate 77 can limit the insertion depth to ensure the accuracy of insertion.

Furthermore, still install the second elastic component on the grafting end, the second elastic component is close to limiting plate connects. Utilize the second elastic component can pass through elastic force butt between the border of limiting plate 77 and handrail jack 71 to what make behind the relative locking of latch segment 76 and locking groove 72 can be connected is more firm, avoids taking place to rock.

Preferably, the cross sections of the first mounting groove 12 and the first mounting hole 21 are rectangular structures. For the first installation groove 12, the rectangular structure has edges and corners, and after the first connecting piece 3 is inserted into the first installation groove 12, the edges and corners have the effect of limiting the movement of the first connecting piece 3. Similarly, the rectangular structure of the first mounting hole 21 has the same effect.

As shown in fig. 13 to 16, the invention also provides a stair, which comprises the assembled stair assembly.

Since the specific structure, functional principle and technical effect of the assembly type stair component are described in detail in the foregoing, detailed description is omitted here. The assembly type stair component can be used independently, and can also be matched with multiple components for use, so that the stair with different layers from two layers to high layers is formed, and the assembly type stair component is suitable for buildings at all layers. When the multi-component collocation is used, a plurality of assembly type stair components are required to be arranged along the height direction, and the adjacent assembly type stair components are in turn-back structure assembly, and the structure of the conventional stair is not different. In addition, this assembled stair subassembly not only can be applicable to the dual-race stair, can also be applicable to the structure such as single race stair, three-race stair, four-race stair and arc stair, and the field of technical staff can select to construct according to actual demand and run structures such as single race stair, dual-race stair, three-race stair, four-race stair and arc stair.

The invention also provides a building body which comprises the assembled stair component; or, comprise the staircase. As shown in fig. 16, the structure of the staircase is shown as an example of the staircase structure assembled in the building body.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims

1. A fabricated stair assembly, comprising:

the first connecting piece comprises a first limiting part and a first inserting part which are connected with each other; the first inserting part is inserted and fixed in the first mounting groove along the first mounting hole, and the first limiting part fixes the stair tread on the mounting surface so as to limit the stair tread to be separated from the mounting surface;

the second connecting piece comprises a second limiting part and a second inserting part; a first through hole is formed in the side wall of the main beam and communicated with the first mounting groove; the first inserting part is provided with a second through hole matched with the first through hole in position and size; the second inserting portion is inserted and fixed in the first through hole and the second through hole so as to limit the first connecting piece to be separated from the first mounting groove.

2. The assembly stair assembly of claim 1, wherein the second plug portion has a first slip insert structure disposed thereon;

3. The fabricated stair assembly of claim 2, wherein the second plug portion comprises a plug post; the first sliding insertion structure is positioned at the end part of the insertion column body;

4. The fabricated stair assembly of claim 3, wherein the first slide insert structure comprises a slide block and the second slide insert structure comprises a slide slot that mates with the slide block;

5. The assembly stair assembly of claim 4, wherein the second plug portion has a first resilient member disposed thereon, the first resilient member being proximate the second stop portion;

6. The fabricated stair assembly of claim 5, further comprising:

7. The fabricated stair assembly of claim 6, further comprising:

8. The fabricated stair assembly of claim 7, further comprising:

a beam and a beam stop block;

9. The fabricated stair assembly of claim 8, further comprising:

10. The assembly stair assembly of claim 9, wherein a second resilient member is further mounted to the plug end, the second resilient member being connected proximate the limit plate.

11. A staircase comprising a fabricated staircase assembly according to any of claims 1-10.

12. A building body, comprising:

the fabricated stair assembly of any one of claims 1-10; alternatively, the first and second electrodes may be,

a staircase according to claim 11.