CN110397658B - Knurling riveting sleeve structure applied to section bar support - Google Patents

Knurling riveting sleeve structure applied to section bar support Download PDF

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Publication number
CN110397658B
CN110397658B CN201910748232.8A CN201910748232A CN110397658B CN 110397658 B CN110397658 B CN 110397658B CN 201910748232 A CN201910748232 A CN 201910748232A CN 110397658 B CN110397658 B CN 110397658B
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Prior art keywords
sleeve
flange
circular
round
hole
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CN110397658A (en
Inventor
李军正
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Shanghai Nate Auto Standard Parts Co ltd
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Shanghai Nate Auto Standard Parts Co ltd
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Priority to CN201910748232.8A priority Critical patent/CN110397658B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/12Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention relates to the technical field of knurling sleeves, and discloses a knurling riveting sleeve structural design applied to profile support, which comprises a flange and a sleeve, wherein the sleeve is positioned at the lower end of the flange, a circular through hole is concaved inwards at the center of the upper surface of the flange, the diameter of an inner ring of the sleeve is matched with the diameter of the circular through hole concaved inwards at the upper surface of the flange, the upper surface of the sleeve is fixedly connected to the lower surface of the flange, the center point of a sleeve barrel hole and the center point of the circular barrel hole of the flange are arranged on the same vertical line, and threads are arranged on the inner wall of the sleeve barrel hole.

Description

Knurling riveting sleeve structure applied to section bar support
Technical Field
The invention relates to the technical field of knurling sleeves, in particular to a knurling riveting sleeve structure applied to section bar support.
Background
The new energy battery tray aluminum profile is often embedded with sleeve supporting function and is assembled and connected with a fastening bolt, and the industry is often connected in a welding mode, so that the connection mode has great limitation: the steel and the aluminum can not be welded, the section is usually an aluminum product, and the sleeve is mostly made of steel; the welding is needed, equipment investment and welding procedures are needed, and the cost is high; the welding spots are irregular and have bad appearance, and the irregular welding spots are required to be subjected to secondary grinding and polishing treatment.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a knurled riveting sleeve structure applied to section bar support, which has the advantages of simple structure, convenient and quick installation, no need of welding, avoidance of welding spot treatment procedures after welding and the like, and solves the problem that the tray aluminum section bar is often embedded into a sleeve and then needs to be welded.
(II) technical scheme
In order to achieve the aim of being convenient and quick to install, the invention provides the following technical scheme: the utility model provides a be applied to annular knurl riveting sleeve structure that section bar supported, including flange and sleeve, the sleeve is located the lower extreme of flange, the central department indent of flange upper surface is a circular through-hole, telescopic inner circle diameter size and the diameter size of the circular through-hole of flange upper surface indent coincide, telescopic upper surface fixed connection is at the lower surface of flange, the central point of sleeve barrel hole is in a perpendicular line with the central point of the circular through-hole of flange, be provided with the screw thread on the inner wall of sleeve barrel hole, telescopic surface upper end is provided with round knurl tooth, thereby can satisfy the pushing force and avoid the section bar up end to collapse when being greater than or equal to one kilonewton, the knurl tooth does not skid when guaranteeing the assembly bolt, make the part after the assembly can not drop in transportation and follow-up assembly, the pushing force: the pull-out force generated by the flange diameter mainly meets the guarantee load of the internal thread of the sleeve, the pull-out force is required by the flange diameter requirement of a common flange nut (GB/T6177.1), the pull-out force is the force required by the sleeve when the sleeve is pulled out of the section from the lower end and the flange passes through the upper hole and the lower hole of the section, the value corresponds to the axial force of the subsequent bolt assembly, the anti-rotation torque generated by the interference locking anti-rotation of the knurling teeth and the section is greater than or equal to the assembly torque of the bolt, and the anti-rotation torque: for the sleeve with internal threads, when the threaded hole in the sleeve is used for assembling the bolt, the maximum assembly torque of the bolt corresponds to the anti-rotation torque of the sleeve, the sleeve is pressed into the profile, passes through the upper hole of the profile and is directly pressed on the lower layer plate of the profile, and does not pass through the lower hole of the profile, the total height of the sleeve assembly section (the total length below the lower surface of the flange) is slightly smaller than the total height of the profile, is slightly zero to one millimeter (the longer the sleeve is according to the total height of the sleeve, the greater the height difference between the sleeve and the sleeve is), the profile can be slightly crushed and deformed during assembly, the lower end surface of the sleeve and the upper end surface and the lower end surface of the flange are ensured to be attached, the upper surface of the flange is internally recessed with two circular grooves, the inner walls of the two circular grooves are respectively provided with threads, the lower surfaces of the two circular grooves are internally recessed with a cylindrical groove, and the lower surfaces of the circular grooves are communicated with the upper surface of the cylindrical grooves, a round rod is respectively arranged in the two round grooves, the upper end of the side surface of the round rod is provided with a thread which is consistent with the thread on the inner wall of the round groove, the size of the round rod is consistent with the size of the round groove, the lower surface of the round rod is fixedly connected with a round block, the diameter of the round block is consistent with the diameter of the cylindrical groove, the round block is positioned in the cylindrical groove, the upper surface of the round rod is internally recessed with a semicircular groove, the semicircular groove is internally provided with a semicircular rod, the size of the semicircular rod is consistent with the size of the semicircular groove, the upper end of the inner wall of the semicircular groove is internally recessed with an arc-shaped groove, two cross rods are respectively positioned at the left side and the right side of the semicircular groove and fixedly connected with the inner wall of the semicircular groove, the outer surfaces of the two cross rods are respectively sleeved with a cylinder, the left end and the right end of the semicircular rod are respectively and fixedly connected with the two cylinders.
Preferably, the sleeve body is formed by cold heading, and the knurling teeth are formed by hobbing extrusion.
Preferably, the outer diameter of the knurling teeth is two to four millimeters relative to the zero point interference zero point of the aperture on the profile.
Preferably, the two circular grooves are respectively positioned at the left side and the right side of the circular through hole with the concave upper surface of the flange.
(III) beneficial effects
Compared with the prior art, the invention provides a knurled riveting sleeve structure applied to section bar support, which has the following beneficial effects:
1. the knurling riveting sleeve structure for section bar support has the advantages that the outer diameter of the knurling teeth is two to four millimeters from the zero point of the hole diameter interference on the section bar, so that the pushing force is more than or equal to one kilonewton, the crushing of the upper end surface of the section bar is avoided, the knurling teeth are not slipped when the assembly bolt is ensured, and the assembled part cannot fall off during transportation and subsequent assembly.
2. The total height (total length below the lower surface of the flange) of the sleeve assembly section is slightly smaller than the total height of the section, and is slightly smaller than zero to one millimeter (according to the total height of the sleeve, the longer the sleeve is, the larger the height difference between the sleeve and the sleeve is), the section can be slightly crushed and deformed during assembly, the lower end surface of the sleeve and the upper end surface and the lower end surface of the flange are guaranteed to be attached to the section, and therefore the section and the section are attached to each other.
3. The knurling riveting sleeve structure for section bar support is convenient and quick to install, does not need welding, is low in equipment investment, and avoids welding spot treatment procedures after welding.
4. The knurling riveting sleeve structure applied to section bar support has a simple structure and can realize repeated disassembly and assembly of products.
5. This be applied to knurl riveting sleeve structure that section bar supported shifts out semicircular rod in semicircular groove through the arc recess, drives the rotation of round rod at rotatory semicircular rod to make round rod upwards remove in the circular recess, pulling semicircular rod in the upward direction can make the sleeve break away from in the section bar this moment, thereby be convenient for rivet sleeve pull out in the section bar from the section bar, thereby convenient to detach.
Drawings
Fig. 1 is a schematic perspective view of a knurled riveting sleeve structure applied to section bar support.
Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present invention.
FIG. 3 is a schematic view of the flange of FIG. 1 according to the present invention.
Fig. 4 is a schematic view of the round bar of fig. 1 according to the present invention.
Fig. 5 is a schematic view of the circular groove and the cylindrical groove of fig. 1 according to the present invention.
In the figure: 1 flange, 2 circular through holes, 3 knurling teeth, 4 sleeves, 5 round rods, 6 arc grooves, 7 cross rods 8 semicircular rods, 9 circular grooves, 10 round blocks, 11 semicircular grooves, 12 cylinders and 13 cylindrical grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, a knurling riveting sleeve structure for profile support comprises a flange 1 and a sleeve 4, wherein the sleeve 4 is positioned at the lower end of the flange 1, a circular through hole 2 is concaved inwards at the center of the upper surface of the flange 1, the diameter of the inner ring of the sleeve 4 is identical to that of the circular through hole 2 concaved inwards at the upper surface of the flange 1, the upper surface of the sleeve 4 is fixedly connected to the lower surface of the flange 1, the center point of the sleeve 4 barrel hole and the center point of the circular through hole 2 of the flange 1 are arranged on a vertical line, threads are arranged on the inner wall of the sleeve 4 barrel hole, a circle of knurling teeth 3 is arranged at the upper end of the outer surface of the sleeve 4, the sleeve 4 main body is formed by upsetting and cold forming, the knurling teeth 3 are formed by extrusion forming, and the outer diameter of the knurling teeth 3 is two to four millimeters relative to the diameter interference zero point of the profile, so that the upper end surface of the profile is prevented from being crushed when the pushing force is more than or equal to one kilonewton, the part is prevented from slipping when the assembling bolt is ensured, and the assembled part cannot fall off in transportation and subsequent assembly: the force pushed out from the profile in the opposite direction (from bottom to top) of the sleeve 4 mainly depends on the pull-out force generated by the diameter of the flange 1 to meet the guarantee load of the internal thread of the sleeve 4, the pull-out force can be obtained by referring to the flange diameter requirement of a common flange nut (GB/T6177.1), the pull-out force is the force required by the sleeve 4 to pull out from the profile from the lower end when the flange 1 passes through the upper hole and the lower hole of the profile, the force corresponds to the axial force of the subsequent bolt assembly, the anti-rotation torque generated by the interference locking anti-rotation of the knurling teeth 3 and the profile is greater than or equal to the assembly torque of the bolt, and the anti-rotation torque: for the sleeve 4 with internal threads, when the threaded hole in the sleeve 4 is used for assembling the bolt, the maximum assembly torque of the bolt corresponds to the anti-rotation torque of the sleeve 4, the sleeve 4 is pressed into the profile, passes through the upper hole of the profile and is directly pressed on the lower plate of the profile, and does not pass through the lower hole of the profile, the total height of the assembly section of the sleeve 4 (the total length below the lower surface of the flange 1) is slightly smaller than the total height of the profile, and is slightly zero to one millimeter (the longer the sleeve 4 is according to the total height of the sleeve 4, the greater the height difference between the sleeve 4 and the flange 1 is), the profile can be slightly crushed and deformed during assembly, the lower end surface of the sleeve 4 and the supporting surface of the flange 1 are guaranteed to be attached to the upper end surface and the lower end surface of the profile, the upper surface of the flange 1 is internally provided with two circular grooves 9, the two circular grooves 9 are respectively positioned at the left side and the right side of the circular through holes 2 which are internally recessed on the upper surface of the flange 1, the inner walls of the two circular grooves 9 are provided with threads, the lower surfaces of the two circular grooves 9 are internally recessed with a cylindrical groove 13, the lower surfaces of the circular grooves 9 are communicated with the upper surface of the cylindrical groove 13, a circular rod 5 is respectively arranged in the two circular grooves 9, the upper ends of the side surfaces of the circular rods 5 are provided with threads which are matched with the threads on the inner wall of the circular grooves 9, the size of the circular rods 5 is matched with the size of the circular grooves 9, the lower surfaces of the circular rods 5 are fixedly connected with a circular block 10, the diameter of the circular block 10 is matched with the diameter of the cylindrical groove 13, the circular block 10 is positioned in the cylindrical groove 13, the upper surface of the circular rod 5 is internally recessed with a semicircular groove 11, a semicircular rod 8 is arranged in the semicircular groove 11, the size of the semicircular rod 8 is matched with the size of the semicircular groove 11, the upper end of the inner wall of the semicircular groove 11 is internally recessed with an arc-shaped groove 6, the semicircular groove 11 is internally provided with two cross rods 7, the two cross bars 7 are respectively positioned at the left side and the right side in the semicircular groove 11, the two cross bars 7 are respectively fixedly connected with the inner wall of the semicircular groove 11, the outer surfaces of the two cross bars 7 are respectively sleeved with a cylinder 12, and the left end and the right end of the semicircular rod 8 are respectively fixedly connected with the two cylinders 12.
When in use, the sleeve 4 is pressed into the profile, passes through the upper hole of the profile and is directly pressed on the lower layer plate of the profile, does not pass through the lower hole of the profile, and the total height of the assembly section of the sleeve 4 (the total length below the lower surface of the flange 1) is slightly smaller than the total height of the profile and is slightly smaller than zero to one millimeter (according to the total height of the sleeve 4, the longer the sleeve 4 is, the larger the height difference between the sleeve and the profile is), so that the profile is slightly crushed and deformed during assembly, and the lower end surface of the sleeve 4 and the supporting surface of the flange 1 are ensured to be attached to the upper end surface and the lower end surface of the profile.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Be applied to knurl riveting sleeve structure that section bar supported, including flange (1) and sleeve (4), its characterized in that: the sleeve (4) is positioned at the lower end of the flange (1), a circular through hole (2) is concaved inwards at the center of the upper surface of the flange (1), the diameter of the inner ring of the sleeve (4) is matched with the diameter of the circular through hole (2) concaved inwards at the upper surface of the flange (1), the upper surface of the sleeve (4) is fixedly connected to the lower surface of the flange (1), the center point of the sleeve hole of the sleeve (4) and the center point of the circular through hole (2) of the flange (1) are on the same vertical line, threads are arranged on the inner wall of the sleeve hole of the sleeve (4), and a circle of knurling teeth (3) are arranged at the upper end of the outer surface of the sleeve (4);
the upper surface of the flange (1) is internally recessed with two circular grooves (9), the two circular grooves (9) are respectively positioned at the left side and the right side of a circular through hole (2) with the upper surface recessed inwards of the flange (1), threads are arranged on the inner walls of the two circular grooves (9), the lower surface of the two circular grooves (9) is internally recessed with a cylindrical groove (13), and the lower surface of the circular grooves (9) is communicated with the upper surface of the cylindrical groove (13);
a round rod (5) is respectively arranged in the two round grooves (9), and threads which are consistent with the threads on the inner walls of the round grooves (9) are arranged at the upper ends of the side surfaces of the round rods (5); the size of the round rod (5) is in accordance with the size of the round groove (9), the lower surface of the round rod (5) is fixedly connected with a round block (10), the diameter of the round block (10) is in accordance with the diameter of the cylindrical groove (13), and the round block (10) is positioned in the cylindrical groove (13);
the utility model discloses a semicircular groove (11) of upper surface indent of round bar (5), be provided with a semicircular rod (8) in semicircular groove (11), the size of semicircular rod (8) accords with the size of semicircular groove (11), an arc recess (6) of upper end indent of semicircular groove (11) inner wall, be provided with two horizontal poles (7) in semicircular groove (11), two horizontal poles (7) are located the left and right sides in semicircular groove (11) respectively, and two horizontal poles (7) are in the same place with the inner wall fixed connection of semicircular groove (11) respectively, and a drum (12) are cup jointed respectively to the surface of two horizontal poles (7).
2. A knurled rivet sleeve structure for profile support according to claim 1, characterized in that: the left end and the right end of the semicircular rod (8) are respectively and fixedly connected with the two cylinders (12).
3. A process for the production of a knurled riveted sleeve structure for profile support as defined in any one of claims 1-2, characterized in that: when the knurled riveting sleeve is produced, the main body of the sleeve (4) is formed by cold heading, and the knurled teeth (3) are formed by hobbing extrusion.
4. A process for the production of a knurled riveted sleeve structure for profile support according to claim 3, characterized in that: the outer diameter of the knurling tooth (3) is two to four millimeters relative to the aperture interference zero point on the profile.
CN201910748232.8A 2019-08-14 2019-08-14 Knurling riveting sleeve structure applied to section bar support Active CN110397658B (en)

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CN201910748232.8A CN110397658B (en) 2019-08-14 2019-08-14 Knurling riveting sleeve structure applied to section bar support

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Application Number Priority Date Filing Date Title
CN201910748232.8A CN110397658B (en) 2019-08-14 2019-08-14 Knurling riveting sleeve structure applied to section bar support

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CN110397658B true CN110397658B (en) 2024-03-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115320730B (en) * 2022-08-23 2024-03-26 奇瑞汽车股份有限公司 Profile threaded sleeve connecting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29704342U1 (en) * 1997-03-11 1998-07-16 HEWI Heinrich Wilke GmbH, 34454 Bad Arolsen Connection sleeve and device for attaching objects to walls or the like.
CN205858921U (en) * 2016-06-27 2017-01-04 湖北恒隆汽车系统集团有限公司 A kind of flange surface nut of applicable Al-alloy casing assembling
CN206563024U (en) * 2016-12-23 2017-10-17 宁波恒源轴业有限公司 Bearing pin
CN207485830U (en) * 2017-11-27 2018-06-12 深圳市寸金实业有限公司 A kind of self-clinching nut for inlaying nylon ring
CN207921089U (en) * 2018-02-23 2018-09-28 湖北博士隆科技股份有限公司 The crowded expanding swivel nut of cavity proximate matter
CN210660989U (en) * 2019-08-14 2020-06-02 上海纳特汽车标准件有限公司 Knurling riveting sleeve structure applied to section bar support

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29704342U1 (en) * 1997-03-11 1998-07-16 HEWI Heinrich Wilke GmbH, 34454 Bad Arolsen Connection sleeve and device for attaching objects to walls or the like.
CN205858921U (en) * 2016-06-27 2017-01-04 湖北恒隆汽车系统集团有限公司 A kind of flange surface nut of applicable Al-alloy casing assembling
CN206563024U (en) * 2016-12-23 2017-10-17 宁波恒源轴业有限公司 Bearing pin
CN207485830U (en) * 2017-11-27 2018-06-12 深圳市寸金实业有限公司 A kind of self-clinching nut for inlaying nylon ring
CN207921089U (en) * 2018-02-23 2018-09-28 湖北博士隆科技股份有限公司 The crowded expanding swivel nut of cavity proximate matter
CN210660989U (en) * 2019-08-14 2020-06-02 上海纳特汽车标准件有限公司 Knurling riveting sleeve structure applied to section bar support

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