CN113586566A - Oval pipe connector structure and supporting mechanism - Google Patents

Oval pipe connector structure and supporting mechanism Download PDF

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Publication number
CN113586566A
CN113586566A CN202110884187.6A CN202110884187A CN113586566A CN 113586566 A CN113586566 A CN 113586566A CN 202110884187 A CN202110884187 A CN 202110884187A CN 113586566 A CN113586566 A CN 113586566A
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CN
China
Prior art keywords
oval
pushing
base
inner core
joint
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110884187.6A
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Chinese (zh)
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CN113586566B (en
Inventor
迟达
余丽娟
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Tsinghua University
Suzhou Automotive Research Institute of Tsinghua University
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Tsinghua University
Suzhou Automotive Research Institute of Tsinghua University
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Priority to CN202110884187.6A priority Critical patent/CN113586566B/en
Publication of CN113586566A publication Critical patent/CN113586566A/en
Application granted granted Critical
Publication of CN113586566B publication Critical patent/CN113586566B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/0446—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof
    • F16B7/0453—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof the tubes being drawn towards each other
    • F16B7/0466—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof the tubes being drawn towards each other by a screw-threaded stud with a conical tip acting on an inclined surface
    • 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
    • E04B1/18—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
    • 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
    • E04B2001/2457—Beam to beam connections

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

Abstract

The invention relates to the technical field of fastening structures, and discloses an oval pipe connector structure and a supporting mechanism, wherein the oval pipe connector structure comprises a connecting base, an inner core pushing piece and an adjusting bolt, the connecting base comprises a base and at least two oval joints, the oval joints are arranged at the end part of the base, an oval pipe beam to be connected is sleeved on the oval joints, the oval joints are arranged in a hollow tubular structure, the inner core pushing piece is arranged in the oval joints in a sliding mode, one end of the inner core pushing piece is inserted into the base in a sliding mode, the adjusting bolt is in threaded connection with the base, the adjusting bolt can push the inner core pushing piece to slide towards a direction deviating from the base in the process of screwing in the base, and meanwhile, the inner core pushing piece pushes the oval joints to elastically deform outwards along the radial direction. This oval union coupling head structure is little with the fit clearance of oval tubular beam, and cooperation precision and intensity are all higher, and easy dismounting, are convenient for change oval tubular beam.

Description

Oval pipe connector structure and supporting mechanism
Technical Field
The invention relates to the technical field of fastening structures, in particular to an oval pipe connector structure and a supporting mechanism.
Background
The oval tubular beams are used as common pipes and are often used as load-bearing members in the fields of buildings and the like, and a plurality of oval tubular beams are generally required to be assembled and connected to form an integral load-bearing support structure.
At present, one of the commonly used connecting methods is welding, namely a plurality of oval tubular beams are welded together directly, but a plurality of components are welded together with time and labor waste, and are fixedly connected with one another and cannot be disassembled, and when the oval tubular beams are damaged or need to be replaced by the oval tubular beams of other models, the oval tubular beams are not convenient to replace.
Another common connection method is to provide a plug-in connector to connect a plurality of oval tubular beams in a plug-in manner, but the connection method has large fit clearance, low precision and low strength.
Therefore, there is a need for an elliptical tube connector structure and a support mechanism to overcome the above-mentioned problems.
Disclosure of Invention
Based on the above, the invention aims to provide an elliptical tube connector structure and a support mechanism, wherein the elliptical tube connector structure has a small fit clearance with an elliptical tube beam, has higher fit precision and strength, is convenient to disassemble and assemble, and is convenient to replace the elliptical tube beam.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first aspect provides an oval pipe connector structure, including connection base, inner core top pushing piece and adjusting bolt, connection base includes base and oval joint, oval joint be provided with two at least, just oval joint all set up in the tip of base, the oval pipe beam cover of treating the connection is located on the oval joint, oval joint sets up to hollow tubular structure, inner core top pushing piece slide set up in oval joint, the one end slide insert of inner core top pushing piece is located in the base, adjusting bolt with base threaded connection, adjusting bolt is twisting the in-process of base can promote inner core top pushing piece slides towards the direction that deviates from the base, simultaneously inner core top pushing piece pushes away oval joint is along radial outside elastic deformation.
As an optional technical solution of the oval tube connector structure, the inner core pushing member includes an inner core pushing block, a pushing inclined plane is arranged on the periphery of the inner core pushing block, the pushing inclined plane is gradually far away from the inner wall of the oval connector along the direction of the pushing inclined plane far away from the base, an inward-protruding pushing portion is arranged on the inner wall of the oval connector, and in the process that the inner core pushing member slides in the direction of departing from the base, the pushing inclined plane can press against the pushing portion and push the oval connector to elastically deform outwards along the radial direction through the pushing portion.
As an optional technical solution of the oval pipe connector structure, the base is provided with an ejector hole extending in the same direction as the oval connector, and a threaded hole vertically penetrating through the ejector hole, the inner core ejector further comprises an ejector rod, the ejector rod penetrates through the ejector hole, a first end of the ejector rod is connected with the inner core ejector block, the adjusting bolt is in threaded connection with the threaded hole, and the adjusting bolt is screwed into the threaded hole and can eject a second end of the ejector rod so that the ejector rod slides in a direction deviating from the base.
As an optional technical scheme of the elliptical pipe connector structure, a conical pressing part is arranged at the second end of the ejector rod and/or one end, far away from the nut, of the adjusting bolt.
As an optional technical scheme of the oval pipe connector structure, the pushing part comprises a plurality of circular bosses which are uniformly distributed along the circumferential direction of the oval connector.
As an optional technical scheme of the oval pipe connector structure, the pushing part comprises an annular boss, and the annular boss is arranged along the circumferential direction of the oval connector.
As an optional technical scheme of the structure of the oval pipe connector, a plurality of groove-shaped openings are formed in the oval connector and are arranged along the axial direction.
As an optional technical scheme of the oval pipe connector structure, anti-slip patterns are arranged on the outer surface of the oval connector.
As an optional technical scheme of the oval pipe connector structure, the oval connector is provided with a yielding step, and the oval pipe beam is sleeved on the yielding step.
The second aspect still provides a supporting mechanism, including oval tubular beams and as above oval union coupling head structure, oval tubular beams with oval union coupling head structure all is equipped with a plurality ofly, pass through between the oval tubular beams oval union coupling head structural connection.
The invention has the beneficial effects that:
the elliptical pipe connector structure provided by the invention is used for connecting elliptical pipe beams. In the non-connection state, the oval joint is in a natural state and does not elastically deform; after the oval coupling is located to oval tubular beams cover, twist adjusting bolt in the base, adjusting bolt promotes inner core top and pushes away the piece and slide towards the direction that deviates from the base to with the inner wall butt of oval coupling, further screw up adjusting bolt, inner core top pushes away the inner wall of oval coupling gradually and makes oval coupling radially outwards elastic deformation, enlarges the joint section of oval coupling, until the outer wall of oval coupling and the inner wall top of oval tubular beams tightly, make and realize interference fit between oval coupling and the oval tubular beams and be connected. When the pipe connector needs to be detached or replaced, only the adjusting bolt needs to be unscrewed, the pushing force of the inner core pushing piece on the oval pipe connector disappears, the oval pipe connector can restore to a natural state, and the oval pipe beam can be easily separated from the oval pipe connector structurally. The elliptical pipe connector structure provided by the invention has the advantages of small fit clearance with the elliptical pipe beam, higher fit precision and strength, convenience in disassembly and assembly and convenience in replacement of the elliptical pipe beam.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural view of an oval tube connector structure provided by the present invention;
FIG. 2 is a partial cross-sectional view of an oval tube connector configuration provided by the present invention;
FIG. 3 is a front view of an oval tube connector configuration provided by the present invention;
figure 4 is a left side view of the oval tube connector configuration provided by the present invention.
In the figure:
100. a connection base; 1. a base; 2. an elliptical joint; 21. a abdicating step; 3. a pushing part; 4. a slot-shaped opening; 5. pushing the hole; 6. a threaded hole; 7. lightening holes; 8. sinking a groove; 200. the inner core pushes the piece; 210. an inner core top block; 211. pushing the inclined plane; 220. pushing the push rod; 300. and adjusting the bolt.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides an elliptical pipe joint structure for connecting pipes, in the present embodiment, the pipe to be connected is an elliptical pipe beam. Oval pipe connector structure includes connection base 100, inner core top pushes away piece 200 and adjusting bolt 300, connection base 100 includes base 1 and oval joint 2, oval joint 2 is provided with at least two, and oval joint 2 all sets up in the tip of base 1, the oval pipe beam cover of treating the connection locates on oval joint 2, oval joint 2 sets up to hollow tubular structure, inner core top pushes away piece 200 and slides and set up in oval joint 2, the one end sliding insertion of inner core top pushes away piece 200 locates in base 1, adjusting bolt 300 and base 1 threaded connection, adjusting bolt 300 can promote inner core top to push away piece 200 and slide towards the direction that deviates from base 1 at the in-process of twisting base 1, inner core top pushes away piece 200 and pushes away oval joint 2 along radial outside elastic deformation simultaneously.
Specifically, the oval pipe joint structure provided by this embodiment is used for connecting oval tubular beams. In the non-connection state, the elliptical joint 2 is in a natural state and does not elastically deform; after the oval coupling 2 is located to oval tubular beams cover, twist adjusting bolt 300 in base 1, adjusting bolt 300 promotes inner core top and pushes away piece 200 and slides towards the direction that deviates from base 1 to with the inner wall butt of oval coupling 2, further screw up adjusting bolt 300, inner core top pushes away the inner wall that piece 200 pushed away oval coupling 2 gradually and makes oval coupling 2 along radial outside elastic deformation, enlarge the connection cross-section of oval coupling 2, until the outer wall of oval coupling 2 and the inner wall top of oval tubular beams tightly, make and realize interference fit between oval coupling 2 and the oval tubular beams and be connected. When the pipe connector needs to be detached or replaced, only the adjusting bolt 300 needs to be unscrewed, the pushing force of the inner core pushing piece 200 on the oval pipe connector disappears, the oval pipe connector can restore to a natural state, and the oval pipe beam can easily break away from the oval pipe connector structurally. The oval pipe connection head structure that this embodiment provided is little with oval tubular beam's fit clearance, and cooperation precision and intensity are all higher, and easy dismounting, are convenient for change oval tubular beam.
Further, the inner core pushing member 200 includes an inner core pushing block 210, as shown in fig. 2, a pushing inclined plane 211 is disposed on a periphery of the inner core pushing block 210, the pushing inclined plane 211 gradually keeps away from an inner wall of the elliptical joint 2 along a direction of the pushing inclined plane 211 away from the base 1, an inward protruding pushing portion 3 is disposed on the inner wall of the elliptical joint 2, and in a process that the inner core pushing member 200 slides in a direction away from the base 1, the pushing inclined plane 211 can press against the pushing portion 3, and the elliptical joint 2 is pushed by the pushing portion 3 to elastically deform radially outward. Due to the arrangement of the pushing inclined plane 211, the elastic deformation of the oval joint 2 is larger as the inner core pushing block 210 is far away from the base 1.
In the present embodiment, the pushing portion 3 includes a plurality of circular bosses which are uniformly distributed along the circumferential direction of the oval joint 2. When the inner core top block 210 slides in the direction away from the base 1, the pushing inclined plane 211 presses against each circular boss, and the pushing inclined plane 211 pushes the elliptical joint 2 to elastically deform outwards along the radial direction through the circular boss so as to press the inner wall of the elliptical pipe beam.
Of course, in other embodiments of the present invention, the pushing part 3 may also include an annular boss disposed along the circumference of the oval joint 2. When the inner core top block 210 slides in the direction away from the base 1, the pushing inclined plane 211 presses against the annular boss, and the pushing inclined plane 211 pushes the elliptical joint 2 to elastically deform outwards along the radial direction through the annular boss so as to press the inner wall of the elliptical pipe beam.
Further, as shown in fig. 2, a pushing hole 5 extending in the same direction as the elliptical joint 2 is formed in the base 1, and a threaded hole 6 vertically penetrating through the pushing hole 5 is formed in the base 1, the inner core pushing piece 200 further comprises a pushing rod 220, the pushing rod 220 penetrates through the pushing hole 5, a first end of the pushing rod 220 is connected with the inner core pushing block 210, the adjusting bolt 300 is in threaded connection with the threaded hole 6, and the adjusting bolt 300 is screwed into the threaded hole 6 to push a second end of the pushing rod 220 in the process of screwing the adjusting bolt 300 into the threaded hole 6, so that the pushing rod 220 slides in the direction away from the base 1.
Optionally, a tapered pressing portion is provided at a second end of the ejector rod 220 and/or an end of the adjusting bolt 300 away from the nut. In this embodiment, the second end of the ejector rod 220 and the end of the adjusting bolt 300 away from the nut are both provided with a conical pressing portion, and the two conical pressing portions are abutted against each other, so that the adjusting bolt 300 pushes the ejector rod 220 to slide.
Optionally, one end of the threaded hole 6 is provided with a sinking groove 8, the sinking groove 8 is communicated with the threaded hole 6, and the sinking groove 8 is used for accommodating a nut of the adjusting bolt 300, so that the adjusting bolt 300 is prevented from being exposed from the connecting base 100, and the risk of interference with an external structure or personnel is reduced.
Optionally, a plurality of groove-shaped openings 4 are axially formed in the oval connector 2, so that the overall rigidity of the oval connector 2 is reduced, and the oval connector 2 is convenient to elastically deform.
Preferably, the oval joint 2 is provided with the abdicating step 21, when the oval tubular beam 400 is connected with the oval joint 2, the oval tubular beam 400 is sleeved on the abdicating step 21, the end of the oval tubular beam 400 abuts against the end face of the abdicating step 3 or the corresponding end face on the base 1, so as to limit the position of the oval tubular beam 400 in the inserting direction and improve the connection precision.
Optionally, the outer surface of the oval joint 2 is provided with anti-slip patterns for improving the friction between the oval joint 2 and the oval tubular beam, and further improving the connection strength and the connection reliability.
Optionally, the base 1 is provided with lightening holes 7 for reducing the overall mass of the elliptical tube connector structure. In the present embodiment, two lightening holes 7 are provided in the base 1.
Optionally, two elliptical joints 2 are arranged in the connection base 100, and the included angle between the two elliptical joints 2 is 90 degrees or 180 degrees.
Optionally, three elliptical joints 2 are arranged in the connection base 100, and the included angle between adjacent elliptical joints 2 is 120 degrees.
Optionally, four elliptical joints 2 are arranged in the connection base 100, and the included angle between adjacent elliptical joints 2 is 90 degrees.
Optionally, the oval joints 2 in the connection base 100 are provided in plurality, and the oval joints 2 are not all arranged in the same plane, for example, the oval joints 2 are provided in six, the base 1 is provided in a hexagonal structure, and the six oval joints 2 are arranged on six circumferential surfaces of the base 1 in a one-to-one correspondence manner.
This embodiment still provides a supporting mechanism, including oval tubular beams and as above oval union coupling head structure, oval tubular beams and oval union coupling head structure all are equipped with a plurality ofly, through oval union coupling head structural connection between the oval tubular beams.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides an oval tube connector structure, its characterized in that, includes connection base (100), inner core top pushing member (200) and adjusting bolt (300), connection base (100) are including base (1) and oval joint (2), oval joint (2) are provided with at least two, just oval joint (2) all set up in the tip of base (1), the oval pipe roof beam cover of treating to connect is located on oval joint (2), oval joint (2) set up to hollow tubular structure, inner core top pushing member (200) slide set up in among oval joint (2), the one end of inner core top pushing member (200) is slided and is inserted and locate in base (1), adjusting bolt (300) with base (1) threaded connection, adjusting bolt (300) is twisting the in-process of base (1) can promote inner core top pushing member (200) are faced away from the direction slip of base (1) is pushed And simultaneously, the inner core pushing piece (200) pushes the oval joint (2) to elastically deform outwards along the radial direction.
2. The oval pipe joint structure according to claim 1, wherein the inner core pushing member (200) comprises an inner core pushing block (210), a pushing inclined plane (211) is arranged on the periphery of the inner core pushing block (210), the pushing inclined plane (211) gradually keeps away from the inner wall of the oval joint (2) along the direction of the pushing inclined plane (211) far away from the base (1), an inward-protruding pushing portion (3) is arranged on the inner wall of the oval joint (2), and in the process that the inner core pushing member (200) slides in the direction of keeping away from the base (1), the pushing inclined plane (211) can press against the pushing portion (3) and pushes the oval joint (2) to elastically deform outwards along the radial direction through the pushing portion (3).
3. The oval pipe connector structure according to claim 2, wherein the base (1) is provided with a pushing hole (5) extending in the same direction as the oval connector (2) and a threaded hole (6) vertically penetrating through the pushing hole (5), the inner core pushing member (200) further comprises a pushing rod (220), the pushing rod (220) is arranged in the pushing hole (5) in a penetrating manner, a first end of the pushing rod (220) is connected with the inner core ejector block (210), the adjusting bolt (300) is in threaded connection with the threaded hole (6), and the adjusting bolt (300) can push a second end of the pushing rod (220) in a screwing process into the threaded hole (6) so that the pushing rod (220) slides in a direction away from the base (1).
4. The oval tube connector structure according to claim 3, wherein a tapered pressing portion is provided at a second end of the ejector pin (220) and/or at an end of the adjusting bolt (300) away from the nut.
5. Elliptical tube connector structure according to claim 2, characterized in that the pushing part (3) comprises a plurality of circular bosses evenly distributed along the circumference of the elliptical joint (2).
6. Elliptical tube connector structure according to claim 2, characterized in that the push-off part (3) comprises an annular boss, which is arranged along the circumference of the elliptical joint (2).
7. Oval tube connection according to claim 1, characterized in that the oval connection (2) is provided with a plurality of axially arranged slotted openings (4).
8. Oval pipe joint structure according to claim 1, characterized in that the outer surface of the oval joint (2) is provided with anti-slip patterns.
9. The elliptical pipe joint structure as claimed in claim 1, wherein an abdicating step (21) is provided on the elliptical joint (2), and the elliptical pipe beam (400) is sleeved on the abdicating step (21).
10. A support mechanism, comprising an elliptical tube beam and an elliptical tube connector structure as claimed in any one of claims 1 to 9, wherein a plurality of elliptical tube beams and elliptical tube connector structures are provided, and the elliptical tube beams are connected through the elliptical tube connector structures.
CN202110884187.6A 2021-08-03 2021-08-03 Oval tube connector structure and supporting mechanism Active CN113586566B (en)

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Application Number Priority Date Filing Date Title
CN202110884187.6A CN113586566B (en) 2021-08-03 2021-08-03 Oval tube connector structure and supporting mechanism

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Application Number Priority Date Filing Date Title
CN202110884187.6A CN113586566B (en) 2021-08-03 2021-08-03 Oval tube connector structure and supporting mechanism

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CN113586566A true CN113586566A (en) 2021-11-02
CN113586566B CN113586566B (en) 2024-06-21

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5961242A (en) * 1997-11-28 1999-10-05 Iron Eagle Industries Inc. Bracket for a fencing system
US6543751B1 (en) * 2000-08-22 2003-04-08 James F. Spruill Rail and fence bracket apparatus
CN1503869A (en) * 2001-02-15 2004-06-09 李戴俊 Tubular structure and modular building assembly using the same
CN1735736A (en) * 2002-12-03 2006-02-15 亨里咨询有限公司 Structural building element
CN1912301A (en) * 2006-08-31 2007-02-14 赛海钢 Section bar frame and module structure and house constructed by section bar frame and constructing method
CN101561063A (en) * 2009-05-21 2009-10-21 浙江大学 Ferrule type pipe connector
CN101818522A (en) * 2010-05-13 2010-09-01 朱建华 Connecting structure of nested composite section material
CN108560707A (en) * 2018-02-27 2018-09-21 中材科技股份有限公司 Can Space Expanding prefabricated house landing nipple part and beam column connection part
CN215409607U (en) * 2021-08-03 2022-01-04 清华大学苏州汽车研究院（吴江） Oval pipe connector structure and supporting mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5961242A (en) * 1997-11-28 1999-10-05 Iron Eagle Industries Inc. Bracket for a fencing system
US6543751B1 (en) * 2000-08-22 2003-04-08 James F. Spruill Rail and fence bracket apparatus
CN1503869A (en) * 2001-02-15 2004-06-09 李戴俊 Tubular structure and modular building assembly using the same
CN1735736A (en) * 2002-12-03 2006-02-15 亨里咨询有限公司 Structural building element
CN1912301A (en) * 2006-08-31 2007-02-14 赛海钢 Section bar frame and module structure and house constructed by section bar frame and constructing method
CN101561063A (en) * 2009-05-21 2009-10-21 浙江大学 Ferrule type pipe connector
CN101818522A (en) * 2010-05-13 2010-09-01 朱建华 Connecting structure of nested composite section material
CN108560707A (en) * 2018-02-27 2018-09-21 中材科技股份有限公司 Can Space Expanding prefabricated house landing nipple part and beam column connection part
CN215409607U (en) * 2021-08-03 2022-01-04 清华大学苏州汽车研究院（吴江） Oval pipe connector structure and supporting mechanism

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