WO2022057244A1 - 装配式建筑的连接单元 - Google Patents

装配式建筑的连接单元 Download PDF

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Publication number
WO2022057244A1
WO2022057244A1 PCT/CN2021/086740 CN2021086740W WO2022057244A1 WO 2022057244 A1 WO2022057244 A1 WO 2022057244A1 CN 2021086740 W CN2021086740 W CN 2021086740W WO 2022057244 A1 WO2022057244 A1 WO 2022057244A1
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WIPO (PCT)
Prior art keywords
pipe body
sleeve
screw
nut
holes
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PCT/CN2021/086740
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English (en)
French (fr)
Inventor
洪求耀
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昊恒（福建）建材科技有限公司
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Publication of WO2022057244A1 publication Critical patent/WO2022057244A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2406—Connection nodes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2418—Details of bolting
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/246—Post to post connections

Definitions

  • the invention relates to the field of construction, in particular to a connection unit of a prefabricated building.
  • Prefabricated buildings have begun to appear and have received general attention in the construction industry.
  • Prefabricated buildings refer to buildings assembled on site with prefabricated components.
  • the advantages of this kind of building are that the construction speed is fast, and it is less restricted by climatic conditions, saving labor and improving the construction quality.
  • the purpose of the present invention is to provide a connection unit of a prefabricated building.
  • the connection unit of the prefabricated building is simple and quick to install, saves time and effort, and has strong structural stability of the assembly. Loosening and falling off will occur.
  • connection unit of a prefabricated building comprising a first pipe body, a second pipe body and a connecting piece connecting the first pipe body and the second pipe body, the connection The two ends of the connecting piece are respectively provided with a number of installation through holes, the first pipe body and the second pipe body are provided with a number of connecting through holes corresponding to the installation through holes, and the two ends of the connecting piece are respectively embedded in the first pipe body and the second pipe body.
  • the pipe body and the second pipe body are arranged so that the installation through holes correspond to the connection through holes one by one, and a bolt assembly passes through the connection through holes on the first pipe body, the second pipe body and the installation through holes on the connecting piece in turn, so that the The connector is connected with the first pipe body and the second pipe body;
  • the bolt assembly includes a screw rod and a nut with an internal thread
  • the screw rod includes a helical part with an external thread and a head located at one end of the helical part and whose outer diameter is larger than the outer diameter of the helical part, and the nut is mounted on the helical part of the screw rod ;
  • a sleeve is sleeved on the helical part between the head of the screw and the nut, the end face of one end of the sleeve is in contact with the head of the screw, and the end face of the other end of the sleeve is circumferentially spaced with a number of screws connected to the screw.
  • a wire groove parallel to the axial direction is provided, and a plurality of protruding strips for embedding in the wire groove are arranged at intervals along the circumferential direction on the outer surface of the nut;
  • the nut further comprises a first end with a protruding strip and a second end away from the sleeve, the outer surface of the first end is a conical surface, and the connection between the first end and the second end
  • the outer diameter of the nut is the maximum outer diameter of the nut, which is the same as the outer diameter of the sleeve;
  • the outer wall of one end of the sleeve away from the nut has a first flange portion extending radially outward, and one end face of the first flange portion is flush with the end face of the sleeve away from the nut to form a first contact surface
  • the outer wall of the screw head close to one end of the sleeve has a second flange portion extending radially outward, and one end face of the second flange portion is flush with the end face of the screw head close to the sleeve, forming a first two contact surfaces;
  • the first contact surface and the second contact surface are continuously provided with a plurality of tooth bodies arranged in the circumferential direction, so that a tooth slot is formed between adjacent tooth bodies, and the tooth bodies are respectively embedded in the corresponding tooth slots , the first contact surface and the second contact surface are clamped, one surface of the tooth body is a vertical surface parallel to the axial direction of the screw and the sleeve, and the other surface of the tooth body is an inclined surface.
  • the angle formed between the face and the inclined face is an acute angle.
  • the first pipe body 21 and the second pipe body 22 both comprise a square pipe body, and at least one corner of the square pipe body has a concave portion.
  • the angle formed between the vertical surface of the tooth body 11 and the inclined surface is 55° ⁇ 65°.
  • the outer diameter of the end of the first end portion 8 away from the second end portion 9 is smaller than the inner diameter of the sleeve 5 .
  • the three corners of the square tube body are respectively provided with a recessed portion penetrating up and down.
  • each of the four corners of the square tube body has a concave portion penetrating up and down.
  • the connecting member 23 is provided with a concave area corresponding to the concave portion on the first pipe body 21 and the second pipe body 22 .
  • the head of the screw and its helical portion are integrally formed.
  • the present invention has the following advantages compared with the prior art:
  • connection unit of the prefabricated building of the present invention adopts bolt assemblies instead of welding, which realizes the connection of two pipe bodies, and only needs to operate on the outside of the pipe bodies, which is simple, quick, time-saving and labor-saving, and greatly improves the construction efficiency.
  • the requirements for the professional level of personnel are low, and the structural stability of the assembly is strong, and there will be no slippage, follow-up, and long-term use.
  • the end face of one end of the sleeve is in contact with the head of the screw, and the end face of the other end of the sleeve is spaced along the circumferential direction with a number of wire grooves parallel to the axial direction of the spiral portion
  • the outer surface of the nut is provided with a number of protruding strips for embedding in the wire groove at intervals along the circumferential direction
  • the nut further comprises a first end with protruding strips and a second end away from the sleeve, the first end
  • the outer surface of the end portion is a conical surface
  • the outer diameter of the connection between the first end portion and the second end portion is the maximum outer diameter of the nut, and the maximum outer diameter is the same as the outer diameter of the sleeve.
  • the end part and the wire groove are embedded and clamped to ensure the relative fixation of the nut and the sleeve, so that the nut and the bolt can be quickly tightened only from the outside. Furthermore, it can also play a guiding role and cooperate with the first end
  • the conical surface of the nut is further moved toward the sleeve by the nut, and one end of the sleeve is stretched outwards, which further ensures the stability and connection strength of the connection structure and avoids the loose connection.
  • the outer wall of one end of the sleeve away from the nut has a first flange portion extending radially outward, and one end face of the first flange portion is connected to the outer wall of the sleeve away from the nut.
  • the end surfaces are flush to form a first contact surface
  • the outer wall of the screw head close to one end of the sleeve has a second flange portion extending radially outward, and one end face of the second flange portion is connected to the screw head
  • the end surface close to the sleeve is flush to form a second contact surface
  • a plurality of tooth bodies arranged in the circumferential direction are continuously arranged on the first contact surface and the second contact surface, so as to form a tooth body between adjacent tooth bodies.
  • the tooth body is embedded in the corresponding tooth groove respectively, and the first contact surface and the second contact surface are clamped.
  • One surface of the tooth body is a vertical surface parallel to the axial direction of the screw and the sleeve, so The other surface of the tooth body is an inclined surface, and the angle formed between the vertical surface and the inclined surface is an acute angle.
  • the tooth body is directly arranged on the sleeve and the head of the screw, the structural integrity and stability are good; further, the arrangement of the two flanges can increase the size of the sleeve and the screw
  • the contact area between the heads further enhances the engagement area between the upper teeth and the tooth slots, increases the resistance of the screw to reverse rotation, and further avoids the loosening of the connection caused by the rotation of the screw.
  • FIG. 5 is a schematic exploded view of the partial structure of the bolt assembly in the connection unit of the prefabricated building of the present invention.
  • Embodiment 1 A connection unit of a prefabricated building, comprising a first pipe body 21, a second pipe body 22, and a connecting piece 23 connecting the first pipe body 21 and the second pipe body 22.
  • the first pipe body 21 and the second pipe body 22 are respectively provided with a number of connecting through holes 25 corresponding to the mounting through holes 24, and the two ends of the connecting piece 23 are respectively Embedded in the first pipe body 21 and the second pipe body 22 so that the mounting through holes 24 correspond to the connecting through holes 25 one by one, and a bolt assembly passes through the connecting through holes on the first pipe body 21 and the second pipe body 22 in turn. 25 and the mounting through hole 24 on the connecting piece 23 to connect the connecting piece 23 with the first pipe body 21 and the second pipe body 22;
  • the bolt assembly includes a screw 1 and a nut 2 with an internal thread.
  • the screw 1 includes a helical portion 3 with an external thread and a head 4 located at one end of the helical portion 3 and having an outer diameter greater than the outer diameter of the helical portion 3.
  • the nut 2 is installed on the helical part 3 of the screw 1;
  • a sleeve 5 is sleeved on the helical part 3 between the head 4 of the screw 1 and the nut 2.
  • the end face of one end of the sleeve 5 is in contact with the head 4 of the screw 1, and the end face of the other end of the sleeve 5 is along the edge of the sleeve 5.
  • a number of wire grooves 6 parallel to the axial direction of the helical portion 3 are spaced circumferentially.
  • the outer surface of the nut 2 is provided with a plurality of protruding strips 7 for embedding into the wire grooves 6 at intervals along the circumferential direction.
  • the setting of the wire groove can ensure the relative fixation of the nut and the sleeve by inserting the end of the convex strip and the wire groove in the initial position, so as to realize the fast tightening of the nut and the bolt only from the outside. Further, it can also play a guiding role, cooperate with the conical surface of the first end, and further move the nut towards the sleeve direction, so as to spread one end of the sleeve outwards, and further ensure the stability and connection strength of the connection structure. Avoid loose connections, etc.;
  • the nut 2 further comprises a first end portion 8 with a protruding strip 7 and a second end portion 9 away from the sleeve 5.
  • the outer surface of the first end portion 8 is a conical surface, and the first end portion 8 is connected to the outer surface of the first end portion 8.
  • the outer diameter of the connection of the second end portion 9 is the maximum outer diameter of the nut 2, and the maximum outer diameter is the same as the outer diameter of the sleeve 5;
  • the outer wall of the end of the sleeve 5 away from the nut 2 has a first flange portion 13 extending radially outward, and one end surface of the first flange portion 13 is flush with the end surface of the sleeve 5 away from the nut 2, A first contact surface is formed.
  • the outer wall of the head 4 of the screw 1 close to the sleeve 5 has a second flange portion 14 extending radially outward. One end face of the second flange portion 14 is connected to the screw 1 The end face of the head 4 close to the sleeve 5 is flush to form a second contact surface.
  • the arrangement of the two flanges can increase the contact area between the sleeve and the screw head, and further strengthen the upper tooth body and tooth slot.
  • the area of engagement between them increases the resistance of the reverse rotation of the screw, and further avoids the loosening of the connection caused by the rotation of the screw;
  • the first contact surface and the second contact surface are continuously provided with a plurality of tooth bodies 11 arranged in the circumferential direction, so that a tooth slot 12 is formed between adjacent tooth bodies 11, and the tooth bodies 11 are respectively embedded in the corresponding tooth bodies.
  • the first contact surface and the second contact surface are clamped.
  • One surface of the tooth body 11 is a vertical surface parallel to the axial direction of the screw 1 and the sleeve 5, and the other surface of the tooth body 11 is a vertical surface.
  • One surface is an inclined surface, and the included angle formed between the vertical surface and the inclined surface is an acute angle.
  • the head 4 of the above-mentioned screw 1 and its helical part 3 are fixedly connected by threads; the angle formed between the vertical surface and the inclined surface of the above-mentioned tooth body 11 is 55°; the above-mentioned first end 8 is away from the second end 9 one end
  • the outer diameter of the square tube body is smaller than the inner diameter of the sleeve 5; the two adjacent corners of the square tube body are respectively provided with a concave part; the corresponding recessed area.
  • Embodiment 2 A connection unit of a prefabricated building, comprising a first pipe body 21, a second pipe body 22, and a connecting piece 23 connecting the first pipe body 21 and the second pipe body 22.
  • the first pipe body 21 and the second pipe body 22 are respectively provided with a number of connecting through holes 25 corresponding to the mounting through holes 24, and the two ends of the connecting piece 23 are respectively Embedded in the first pipe body 21 and the second pipe body 22 so that the mounting through holes 24 correspond to the connecting through holes 25 one by one, and a bolt assembly passes through the connecting through holes on the first pipe body 21 and the second pipe body 22 in turn. 25 and the mounting through hole 24 on the connecting piece 23 to connect the connecting piece 23 with the first pipe body 21 and the second pipe body 22;
  • the bolt assembly includes a screw 1 and a nut 2 with an internal thread.
  • the screw 1 includes a helical portion 3 with an external thread and a head 4 located at one end of the helical portion 3 and having an outer diameter greater than the outer diameter of the helical portion 3.
  • the nut 2 is installed on the helical part 3 of the screw 1;
  • a sleeve 5 is sleeved on the helical part 3 between the head 4 of the screw 1 and the nut 2.
  • the end face of one end of the sleeve 5 is in contact with the head 4 of the screw 1, and the end face of the other end of the sleeve 5 is along the edge of the sleeve 5.
  • a plurality of wire grooves 6 parallel to the axial direction of the helical portion 3 are arranged at intervals in the circumferential direction, and a plurality of protruding strips 7 for embedding into the wire grooves 6 are arranged on the outer surface of the nut 2 at intervals along the circumferential direction;
  • the nut 2 further comprises a first end portion 8 with a protruding strip 7 and a second end portion 9 away from the sleeve 5.
  • the outer surface of the first end portion 8 is a conical surface, and the first end portion 8 is connected to the outer surface of the first end portion 8.
  • the outer diameter of the connection of the second end portion 9 is the maximum outer diameter of the nut 2, and the maximum outer diameter is the same as the outer diameter of the sleeve 5;
  • the outer wall of the end of the sleeve 5 away from the nut 2 has a first flange portion 13 extending radially outward, and one end surface of the first flange portion 13 is flush with the end surface of the sleeve 5 away from the nut 2, A first contact surface is formed.
  • the outer wall of the head 4 of the screw 1 close to the sleeve 5 has a second flange portion 14 extending radially outward. One end face of the second flange portion 14 is connected to the screw 1 The end face of the head 4 close to the sleeve 5 is flush to form a second contact surface;
  • the first contact surface and the second contact surface are continuously provided with a plurality of tooth bodies 11 arranged in the circumferential direction, so that a tooth slot 12 is formed between adjacent tooth bodies 11, and the tooth bodies 11 are respectively embedded in the corresponding tooth bodies.
  • the first contact surface and the second contact surface are clamped.
  • One surface of the tooth body 11 is a vertical surface parallel to the axial direction of the screw 1 and the sleeve 5, and the other surface of the tooth body 11 is a vertical surface.
  • One surface is an inclined surface, and the included angle formed between the vertical surface and the inclined surface is an acute angle.
  • the head 4 of the above-mentioned screw 1 and its helical part 3 are integrally formed; the angle formed between the vertical surface and the inclined surface of the above-mentioned tooth body 11 is 65°;
  • Each of the four corners of the square tube body has a concave portion penetrating through it up and down;
  • the nut By connecting the through hole and the installation through hole, and then using a wrench and other tools to fix the sleeve and rotate the screw, with the rotation of the screw, the nut moves along the axial direction of the screw toward the direction of the screw head, further making the protruding strips embedded in the sleeve Inside the wire groove on the barrel, and the sleeve opens outward under the action of the first end of the nut with the conical surface, when the nut moves to the proper position, the rotation of the screw is stopped.
  • the mutual cooperation of the tooth slots prevents the screw from rotating in the opposite direction and loosening the connection.
  • the bolt assembly is used instead of welding, which realizes the connection of the two pipe bodies, and only needs to operate on the outside of the pipe body, which is simple and fast, saves time and labor, and greatly improves the construction efficiency.
  • the professional level of personnel is low, and the structural stability of the assembly is strong, there will be no slippage, follow-up, and long-term use will not happen loose and fall off;
  • the relative fixation of the nut and the sleeve is ensured, so that the nut and the bolt can be quickly tightened only from the outside, and further, it can also play a guiding role.
  • the tapered surface at one end through the further movement of the nut towards the sleeve direction, stretches one end of the sleeve outward to further ensure the stability and connection strength of the connection structure and avoid the occurrence of loose connection;
  • the screw can only rotate in one direction, so as to avoid the connection loosening caused by the rotation after the installation is completed, and the tooth body is directly arranged on the sleeve and the screw head, and the structure is integrated. and good stability;
  • the arrangement of the two flanges can increase the contact area between the sleeve and the screw head, further enhance the engagement area between the upper teeth and the tooth slots, and increase the resistance of the screw to reverse rotation. , to further prevent the screw rotation from causing the connection to loosen.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

本发明公开一种装配式建筑的连接单元，包括第一管体、第二管体和连接第一管体、第二管体的连接件，所述连接件的两端分别设置有若干个安装通孔，所述第一管体、第二管体上设置有若干个与安装通孔对应的连接通孔，所述连接件的两端分别嵌入第一管体、第二管体内，使得安装通孔与连接通孔一一对应，一螺栓组件依次穿过第一管体、第二管体上的连接通孔和连接件上的安装通孔，将连接件与第一管体、第二管体连接；所述螺栓组件包括螺杆和具有内螺纹的螺母，所述螺杆包括具有外螺纹的螺旋部和位于螺旋部一端且外径大于螺旋部外径的头部。本发明安装简单快捷，且装配的结构稳定性强，完全不会出现打滑、跟转，长期使用不会发生松动脱落的情况。

Description

装配式建筑的连接单元 技术领域
本发明涉及建筑领域，尤其涉及装配式建筑的连接单元。
背景技术
随着技术的成熟，装配式建筑已经开始出现并受到建筑行业的普遍关注。装配式建筑是指用预制的构件在工地装配而成的建筑。这种建筑的优点是建造速度快，受气候条件制约小，节约劳动力并可提高建筑质量。
对于装配式建筑中各种管状部件的连接，《轻型钢结构住宅技术规程》(JGJ209-2010)一书中的做法为用钢套筒套结在钢管柱上，然后再在钢套筒上采用点焊使钢管柱与钢套筒焊接在一起。但是，这一做法有不足之处，其钢套筒与钢管柱的结合力不强，整体性能不足、装配复杂耗时，好过分依赖施工人员的专业程度。
发明内容
本发明的目的是提供一种装配式建筑的连接单元，该装配式建筑的连接单元安装简单快捷、省时省力，且装配的结构稳定性强，完全不会出现打滑、跟转，长期使用不会发生松动脱落的情况。
为达到上述目的，本发明采用的技术方案是：一种装配式建筑的连接单元，包括第一管体、第二管体和连接第一管体、第二管体的连接件，所述连接件的两端分别设置有若干个安装通孔，所述第一管体、第二管体上设置有若干个与安装通孔对应的连接通孔，所述连接件的两端分别嵌入第一管体、第二管体内，使得安装通孔与连接通孔一一对应，一螺栓组件依次穿过第一管体、第二管体上的连接通孔和连接件上的安装通孔，将连接件与第一管体、第二管体连接；
所述螺栓组件包括螺杆和具有内螺纹的螺母，所述螺杆包括具有外螺纹的螺旋部和位于螺旋部一端且外径大于螺旋部外径的头部，所述螺母安装于螺杆的螺旋部上；
位于螺杆的头部与螺母之间的螺旋部上套装有一套筒，此套筒一端的端面与螺杆的头部接触，所述套筒另一端的端面上沿周向间隔开设有若干个与螺旋部轴向平行的线槽，所述螺母的外表面上沿周向间隔设置有若干个供嵌入线槽内的凸条；
所述螺母进一步包括具有凸条的第一端部和远离套筒的第二端部，所述第一端部的外表面为锥形面，该第一端部与第二端部的连接处的外径为所述螺母的最大外径，该最大外径与套筒的外径相同；
所述套筒远离螺母一端的外壁上具有一沿径向向外延伸的第一凸缘部，该第一凸缘部的一个 端面与套筒远离螺母的端面齐平，形成第一接触面，所述螺杆头部靠近套筒一端的外壁上具有一沿径向向外延伸的第二凸缘部，此第二凸缘部的一个端面与螺杆头部靠近套筒的端面齐平，形成第二接触面；
所述第一接触面、第二接触面上均连续设置有若干沿周向排布的齿体，从而在相邻齿体之间形成一齿槽，所述齿体分别嵌入对应的齿槽内，将第一接触面、第二接触面卡接，所述齿体的一个面为平行于螺杆、套筒轴向的竖直面，所述齿体的另一个面为倾斜面，该竖直面与倾斜面之间形成的夹角为锐角。
上述技术方案中进一步改进的方案如下：
1.上述方案中，所述第一管体21、第二管体22均包括方管本体，所述方管本体的至少一个拐角处具有一凹陷部。
2.上述方案中，所述齿体11的竖直面与倾斜面之间形成的夹角为55°～65°。
3.上述方案中，所述第一端部8远离第二端部9一端的外径小于套筒5的内径。
4.上述方案中，所述方管本体相邻的两个拐角处分别具有一凹陷部。
5.上述方案中，所述方管本体的三个拐角处分别具有一上下贯穿的凹陷部。
6.上述方案中，所述方管本体的四个拐角处均具有一上下贯穿的凹陷部。
7.上述方案中，所述连接件23上设置有与第一管体21、第二管体22上的凹陷部对应的凹陷区。
8.上述方案中，所述螺杆的头部与其螺旋部为一体成型结构。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：
1、本发明装配式建筑的连接单元，其采用螺栓组件代替焊接，实现了对两个管体的连接，仅需在管体外侧进行操作，简单快捷、省时省力，大大提高了施工效率，对人员专业程度要求低，且装配的结构稳定性强，完全不会出现打滑、跟转，长期使用不会发生松动脱落的情况。
2、本发明装配式建筑的连接单元，其套筒一端的端面与螺杆的头部接触，所述套筒另一端的端面上沿周向间隔开设有若干个与螺旋部轴向平行的线槽，所述螺母的外表面上沿周向间隔设置有若干个供嵌入线槽内的凸条，螺母进一步包括具有凸条的第一端部和远离套筒的第二端部，所述第一端部的外表面为锥形面，该第一端部与第二端部的连接处的外径为所述螺母的最大外径，该最大外径与套筒的外径相同，通过凸条端部与线槽的嵌入卡接，保证螺母与套筒的相对固定，从而实现仅从外侧即可快速实现对螺母与螺栓的拧紧，进一步的，还可以起到导向作用，配合第一端部的锥形面，通过螺母的进一步向套筒方向移动，将套筒一端向外撑开，进一步保证连接结构的稳定性和连接强度，避免发生连接松动等情况。
3、本发明装配式建筑的连接单元，其套筒远离螺母一端的外壁上具有一沿径向向外延伸的第一凸缘部，该第一凸缘部的一个端面与套筒远离螺母的端面齐平，形成第一接触面，所述螺杆头部靠近套筒一端的外壁上具有一沿径向向外延伸的第二凸缘部，此第二凸缘部的一个端面与螺杆头部靠近套筒的端面齐平，形成第二接触面，所述第一接触面、第二接触面上均连续设置有若干沿周向排布的齿体，从而在相邻齿体之间形成一齿槽，所述齿体分别嵌入对应的齿槽内，将第一接触面、第二接触面卡接，所述齿体的一个面为平行于螺杆、套筒轴向的竖直面，所述齿体的另一个面为倾斜面，该竖直面与倾斜面之间形成的夹角为锐角，通过截面为直角三角形的斜齿之间的相互配合，使得螺杆只可以往一个方向旋转，避免安装完成后发生回转导致连接松动，且将齿体直接设置于套筒和螺杆头部，结构一体性和稳定性好；进一步的，两个凸缘部的设置，可以增大套筒与螺杆头部之间的接触面积，进一步增强其上齿体、齿槽之间卡合的面积，增大螺杆反向转动的阻力，进一步避免螺杆回转导致连接松动。
附图说明
附图1为本发明装配式建筑的连接单元结构示意图；
附图2为本发明装配式建筑的连接单元局部结构分解示意图；
附图3为本发明装配式建筑的连接单元中螺栓组件的结构示意图；
附图4为本发明装配式建筑的连接单元中螺栓组件的结构分解示意图；
附图5为本发明装配式建筑的连接单元中螺栓组件的局部结构分解示意图。
以上附图中：1、螺杆；2、螺母；3、螺旋部；4、头部；5、套筒；6、线槽；7、凸条；8、第一端部；9、第二端部；11、齿体；12、齿槽；13、第一凸缘部；14、第二凸缘部；21、第一管体；22、第二管体；23、连接件；24、安装通孔；25、连接通孔。
具体实施方式
实施例1：一种装配式建筑的连接单元，包括第一管体21、第二管体22和连接第一管体21、第二管体22的连接件23，所述连接件23的两端分别设置有若干个安装通孔24，所述第一管体21、第二管体22上设置有若干个与安装通孔24对应的连接通孔25，所述连接件23的两端分别嵌入第一管体21、第二管体22内，使得安装通孔24与连接通孔25一一对应，一螺栓组件依次穿过第一管体21、第二管体22上的连接通孔25和连接件23上的安装通孔24，将连接件23与第一管体21、第二管体22连接；
所述螺栓组件包括螺杆1和具有内螺纹的螺母2，所述螺杆1包括具有外螺纹的螺旋部3和位于螺旋部3一端且外径大于螺旋部3外径的头部4，所述螺母2安装于螺杆1的螺旋部3上；
位于螺杆1的头部4与螺母2之间的螺旋部3上套装有一套筒5，此套筒5一端的端面与螺杆1的头部4接触，所述套筒5另一端的端面上沿周向间隔开设有若干个与螺旋部3轴向平行的线槽6，所述螺母2的外表面上沿周向间隔设置有若干个供嵌入线槽6内的凸条7，通过凸条与线槽的设置，既可以在初始位置时，通过凸条端部与线槽的嵌入卡接，保证螺母与套筒的相对固定，从而实现仅从外侧即可快速实现对螺母与螺栓的拧紧，进一步的，还可以起到导向作用，配合第一端部的锥形面，通过螺母的进一步向套筒方向移动，将套筒一端向外撑开，进一步保证连接结构的稳定性和连接强度，避免发生连接松动等情况；
所述螺母2进一步包括具有凸条7的第一端部8和远离套筒5的第二端部9，所述第一端部8的外表面为锥形面，该第一端部8与第二端部9的连接处的外径为所述螺母2的最大外径，该最大外径与套筒5的外径相同；
所述套筒5远离螺母2一端的外壁上具有一沿径向向外延伸的第一凸缘部13，该第一凸缘部13的一个端面与套筒5远离螺母2的端面齐平，形成第一接触面，所述螺杆1头部4靠近套筒5一端的外壁上具有一沿径向向外延伸的第二凸缘部14，此第二凸缘部14的一个端面与螺杆1头部4靠近套筒5的端面齐平，形成第二接触面，两个凸缘部的设置，可以增大套筒与螺杆头部之间的接触面积，进一步增强其上齿体、齿槽之间卡合的面积，增大螺杆反向转动的阻力，进一步避免螺杆回转导致连接松动；
所述第一接触面、第二接触面上均连续设置有若干沿周向排布的齿体11，从而在相邻齿体11之间形成一齿槽12，所述齿体11分别嵌入对应的齿槽12内，将第一接触面、第二接触面卡接，所述齿体11的一个面为平行于螺杆1、套筒5轴向的竖直面，所述齿体11的另一个面为倾斜面，该竖直面与倾斜面之间形成的夹角为锐角，通过截面为直角三角形的斜齿之间的相互配合，使得螺杆只可以往一个方向旋转，避免安装完成后发生回转导致连接松动，且将齿体直接设置于套筒和螺杆头部，结构一体性和稳定性好。
上述螺杆1的头部4与其螺旋部3通过螺纹固定连接；上述齿体11的竖直面与倾斜面之间形成的夹角为55°；上述第一端部8远离第二端部9一端的外径小于套筒5的内径；上述方管本体相邻的两个拐角处分别具有一凹陷部；上述连接件23上设置有与第一管体21、第二管体22上的凹陷部对应的凹陷区。
实施例2：一种装配式建筑的连接单元，包括第一管体21、第二管体22和连接第一管体21、第二管体22的连接件23，所述连接件23的两端分别设置有若干个安装通孔24，所述第一管体21、第二管体22上设置有若干个与安装通孔24对应的连接通孔25，所述连接件23的两端分别嵌入第一管体21、第二管体22内，使得安装通孔24与连接通孔25一一对应，一螺栓组件依次穿过第一管体21、第二管体22上的连接通孔25和连接件23上的 安装通孔24，将连接件23与第一管体21、第二管体22连接；
所述螺栓组件包括螺杆1和具有内螺纹的螺母2，所述螺杆1包括具有外螺纹的螺旋部3和位于螺旋部3一端且外径大于螺旋部3外径的头部4，所述螺母2安装于螺杆1的螺旋部3上；
位于螺杆1的头部4与螺母2之间的螺旋部3上套装有一套筒5，此套筒5一端的端面与螺杆1的头部4接触，所述套筒5另一端的端面上沿周向间隔开设有若干个与螺旋部3轴向平行的线槽6，所述螺母2的外表面上沿周向间隔设置有若干个供嵌入线槽6内的凸条7；
所述螺母2进一步包括具有凸条7的第一端部8和远离套筒5的第二端部9，所述第一端部8的外表面为锥形面，该第一端部8与第二端部9的连接处的外径为所述螺母2的最大外径，该最大外径与套筒5的外径相同；
所述套筒5远离螺母2一端的外壁上具有一沿径向向外延伸的第一凸缘部13，该第一凸缘部13的一个端面与套筒5远离螺母2的端面齐平，形成第一接触面，所述螺杆1头部4靠近套筒5一端的外壁上具有一沿径向向外延伸的第二凸缘部14，此第二凸缘部14的一个端面与螺杆1头部4靠近套筒5的端面齐平，形成第二接触面；
所述第一接触面、第二接触面上均连续设置有若干沿周向排布的齿体11，从而在相邻齿体11之间形成一齿槽12，所述齿体11分别嵌入对应的齿槽12内，将第一接触面、第二接触面卡接，所述齿体11的一个面为平行于螺杆1、套筒5轴向的竖直面，所述齿体11的另一个面为倾斜面，该竖直面与倾斜面之间形成的夹角为锐角。
上述螺杆1的头部4与其螺旋部3一体成型结构；上述齿体11的竖直面与倾斜面之间形成的夹角为65°；
上述方管本体的四个拐角处均具有一上下贯穿的凹陷部；上述连接件23上设置有与第一管体21、第二管体22上的凹陷部对应的凹陷区。
使用时，先将螺杆、螺母与套筒组装成为一体的螺栓组件，使螺母上的凸条一端嵌入到套筒上的线槽内，从而使得螺母与套筒保持相对固定，再将螺栓组件穿过连接通孔和安装通孔，然后通过扳手等工具固定套筒、旋转螺杆，随着螺杆的旋转，螺母沿着螺杆的轴向朝着靠近螺杆头部的方向移动，进一步使得凸条嵌入套筒上的线槽内，同时套筒在螺母具有锥形面的第一端部作用下向外张开，当螺母移动到适当位置，停止旋转螺杆，通过螺杆头部与套筒上齿体与齿槽的相互配合，避免螺杆发生反向旋转而使连接松动。
采用上述装配式建筑的连接单元时，其采用螺栓组件代替焊接，实现了对两个管体的连接，仅需在管体外侧进行操作，简单快捷、省时省力，大大提高了施工效率，对人员专业程度要求低，且装配的结构稳定性强，完全不会出现打滑、跟转，长期使用不会发生松动 脱落的情况；
通过凸条端部与线槽的嵌入卡接，保证螺母与套筒的相对固定，从而实现仅从外侧即可快速实现对螺母与螺栓的拧紧，进一步的，还可以起到导向作用，配合第一端部的锥形面，通过螺母的进一步向套筒方向移动，将套筒一端向外撑开，进一步保证连接结构的稳定性和连接强度，避免发生连接松动等情况；
通过截面为直角三角形的斜齿之间的相互配合，使得螺杆只可以往一个方向旋转，避免安装完成后发生回转导致连接松动，且将齿体直接设置于套筒和螺杆头部，结构一体性和稳定性好；
进一步的，两个凸缘部的设置，可以增大套筒与螺杆头部之间的接触面积，进一步增强其上齿体、齿槽之间卡合的面积，增大螺杆反向转动的阻力，进一步避免螺杆回转导致连接松动。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (9)

  1. 一种装配式建筑的连接单元，其特征在于：包括第一管体(21)、第二管体(22)和连接第一管体(21)、第二管体(22)的连接件(23)，所述连接件(23)的两端分别设置有若干个安装通孔(24)，所述第一管体(21)、第二管体(22)上设置有若干个与安装通孔(24)对应的连接通孔(25)，所述连接件(23)的两端分别嵌入第一管体(21)、第二管体(22)内，使得安装通孔(24)与连接通孔(25)一一对应，一螺栓组件依次穿过第一管体(21)、第二管体(22)上的连接通孔(25)和连接件(23)上的安装通孔(24)，将连接件(23)与第一管体(21)、第二管体(22)连接；
    所述螺栓组件包括螺杆(1)和具有内螺纹的螺母(2)，所述螺杆(1)包括具有外螺纹的螺旋部(3)和位于螺旋部(3)一端且外径大于螺旋部(3)外径的头部(4)，所述螺母(2)安装于螺杆(1)的螺旋部(3)上；
    位于螺杆(1)的头部(4)与螺母(2)之间的螺旋部(3)上套装有一套筒(5)，此套筒(5)一端的端面与螺杆(1)的头部(4)接触，所述套筒(5)另一端的端面上沿周向间隔开设有若干个与螺旋部(3)轴向平行的线槽(6)，所述螺母(2)的外表面上沿周向间隔设置有若干个供嵌入线槽(6)内的凸条(7)；
    所述螺母(2)进一步包括具有凸条(7)的第一端部(8)和远离套筒(5)的第二端部(9)，所述第一端部(8)的外表面为锥形面，该第一端部(8)与第二端部(9)的连接处的外径为所述螺母(2)的最大外径，该最大外径与套筒(5)的外径相同；
    所述套筒(5)远离螺母(2)一端的外壁上具有一沿径向向外延伸的第一凸缘部(13)，该第一凸缘部(13)的一个端面与套筒(5)远离螺母(2)的端面齐平，形成第一接触面，所述螺杆(1)头部(4)靠近套筒(5)一端的外壁上具有一沿径向向外延伸的第二凸缘部(14)，此第二凸缘部(14)的一个端面与螺杆(1)头部(4)靠近套筒(5)的端面齐平，形成第二接触面；
    所述第一接触面、第二接触面上均连续设置有若干沿周向排布的齿体(11)，从而在相邻齿体(11)之间形成一齿槽(12)，所述齿体(11)分别嵌入对应的齿槽(12)内，将第一接触面、第二接触面卡接，所述齿体(11)的一个面为平行于螺杆(1)、套筒(5)轴向的竖直面，所述齿体(11)的另一个面为倾斜面，该竖直面与倾斜面之间形成的夹角为锐角。
  2. 根据权利要求1所述的装配式建筑的连接单元，其特征在于：所述第一管体(21)、第二管体(22)均包括方管本体，所述方管本体的至少一个拐角处具有一凹陷部。
  3. 根据权利要求1或2所述的装配式建筑的连接单元，其特征在于：所述齿体(11)的竖直面与倾斜面之间形成的夹角为55°～65°。
  4. 根据权利要求3所述的装配式建筑的连接单元，其特征在于：所述第一端部(8)远离第二端部(9)一端的外径小于套筒(5)的内径。
  5. 根据权利要求2所述的装配式建筑的连接单元，其特征在于：所述方管本体相邻的两个拐角处分别具有一凹陷部。
  6. 根据权利要求2所述的装配式建筑的连接单元，其特征在于：所述方管本体的三个拐角处分别具有一上下贯穿的凹陷部。
  7. 根据权利要求2所述的装配式建筑的连接单元，其特征在于：所述方管本体的四个拐角处均具有一上下贯穿的凹陷部。
  8. 根据权利要求2所述的装配式建筑的连接单元，其特征在于：所述连接件(23)上设置有与第一管体(21)、第二管体(22)上的凹陷部对应的凹陷区。
  9. 根据权利要求1或2所述的装配式建筑的连接单元，其特征在于：所述螺杆(1)的头部(4)与其螺旋部(3)为一体成型结构。
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939643A (zh) * 2017-02-23 2017-07-11 张春巍 一种装配式巨型筒中筒圆形钢管柱异型组合结构及安装方法
WO2017199714A1 (ja) * 2016-05-19 2017-11-23 三協フロンテア株式会社 ユニットハウス用引張接合構造
CN210395669U (zh) * 2019-08-07 2020-04-24 济源职业技术学院 一种装配式建筑的连接结构
CN211007082U (zh) * 2019-08-23 2020-07-14 广东玖米空间科技有限公司 装配式建筑结构体系及其装配式建筑对接管体连接装置
CN111549904A (zh) * 2020-06-17 2020-08-18 国家建筑材料展贸中心 一种钢结构装配式建筑的梁柱节点结构
CN211285967U (zh) * 2019-06-27 2020-08-18 江苏省建筑设计研究院有限公司 一种采用半锁锚式套筒的预制型钢混凝土柱节点
CN111576742A (zh) * 2020-05-28 2020-08-25 中冶建工集团有限公司 装配式剪力墙、柱中主筋连接装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2718307Y (zh) * 2004-08-04 2005-08-17 徐尚仁 热处理增硬防盗膨胀螺丝
CN108869496A (zh) * 2017-05-12 2018-11-23 龙口中集来福士海洋工程有限公司 适用于贯穿孔的固定卡件及其施工方法
CN208686782U (zh) * 2018-04-20 2019-04-02 梁智 一种自锁螺栓
CN208363420U (zh) * 2018-05-23 2019-01-11 厦门昊恒工贸有限公司 用于装配式建筑的柱体单元

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017199714A1 (ja) * 2016-05-19 2017-11-23 三協フロンテア株式会社 ユニットハウス用引張接合構造
CN106939643A (zh) * 2017-02-23 2017-07-11 张春巍 一种装配式巨型筒中筒圆形钢管柱异型组合结构及安装方法
CN211285967U (zh) * 2019-06-27 2020-08-18 江苏省建筑设计研究院有限公司 一种采用半锁锚式套筒的预制型钢混凝土柱节点
CN210395669U (zh) * 2019-08-07 2020-04-24 济源职业技术学院 一种装配式建筑的连接结构
CN211007082U (zh) * 2019-08-23 2020-07-14 广东玖米空间科技有限公司 装配式建筑结构体系及其装配式建筑对接管体连接装置
CN111576742A (zh) * 2020-05-28 2020-08-25 中冶建工集团有限公司 装配式剪力墙、柱中主筋连接装置
CN111549904A (zh) * 2020-06-17 2020-08-18 国家建筑材料展贸中心 一种钢结构装配式建筑的梁柱节点结构

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