CN104912897A - Extrusion assembly nut connecting pair and assembly method thereof - Google Patents

Extrusion assembly nut connecting pair and assembly method thereof Download PDF

Info

Publication number
CN104912897A
CN104912897A CN201510280904.9A CN201510280904A CN104912897A CN 104912897 A CN104912897 A CN 104912897A CN 201510280904 A CN201510280904 A CN 201510280904A CN 104912897 A CN104912897 A CN 104912897A
Authority
CN
China
Prior art keywords
nut
press fit
male fastener
threaded male
auxiliary connection
Prior art date
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.)
Pending
Application number
CN201510280904.9A
Other languages
Chinese (zh)
Inventor
严春雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Trucks Co ltd
Original Assignee
Dongfeng Trucks Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Trucks Co ltd filed Critical Dongfeng Trucks Co ltd
Priority to CN201510280904.9A priority Critical patent/CN104912897A/en
Publication of CN104912897A publication Critical patent/CN104912897A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • 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
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/284Locking by means of elastic deformation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

An extrusion assembly nut connecting pair comprises an extrusion assembly nut and an external thread fastener, wherein the extrusion assembly nut comprises a nut body, the nut body is a cylinder, a through hole is formed in the center of the nut body, the inner surface of the through hole is a smooth surface, the diameter of the through hole is larger than the external thread major diameter matched with the external thread fastener, and a flange surface with a wrenching structure is arranged at one end of a binding surface of the nut body; during assembly, the external thread fastener penetrates into an inner hole of the connecting piece, the extrusion assembly nut is sleeved on the tail portion of the external thread fastener and then abuts against the outer end face of the nut body, the tail portion of the external thread fastener is pulled to a designed clamping force, and meanwhile the outer circular face of the nut body is extruded to enable the outer circular face of the nut body to generate integral plastic deformation inwards, so that the inner surface of the through hole of the nut and the external thread tooth form of the external thread fastener are completely meshed to form an internal thread. The anti-loosening device is good in anti-loosening performance, simple in structure, low in cost, easy to assemble, easy to disassemble and capable of being repeatedly used.

Description

A kind of press fit nut auxiliary connection and assembly method thereof
Technical field
The present invention relates to a kind of threaded connection pair, particularly relate to a kind of press fit nut auxiliary connection and assembly method thereof, be mainly applicable to improve auxiliary connection anti-loosening property.
Background technique
At present, thread connection technology has become most widely used assembly connection technology in automobile and the connection of various machinery, carry the fastening important task that to be linked and packed by various part, and once the situation of getting loose appears in threaded fastener, assembling will be caused to lose efficacy, jeopardize the normal work of the assemblies such as automobile and machinery.For the automobile of running at high speed, aircraft, on it, the important screw of the key position such as motor, transmission system is once in use get loose the serious consequence that phenomenon will cause machine (car) to ruin people to die.Therefore for the machinery of the high speed operations such as such as automobile, the locking unfailing performance improving its threaded fastener is very required and necessary.
The maximum threaded connection pair form of current application is that (screw) – nut connects bolt, but its internal and external threads matching part of these threaded connection pairs is Spielpassung, anti-loosening property is poor, once the decay of auxiliary connection assembling clamping force, it is just very easy to occur the problem lost efficacy that gets loose in-service.In order to solve the problem that conventional stud-nut thread auxiliary connection easily gets loose, occur that a kind of pulling rivet connects new product in recent years, pulling rivet is made up of a pulling rivet and the plasticity collar, make it to produce plastic deformation by the extruding collar cylindrical during assembling, therefore this new Connecting format has the advantages that not easily get loose, but because pulling rivet head and the collar are all circular, there is no twisting structure, pulling rivet bar is engaged position with the collar is simultaneously several parallel circular grooves, cause staking auxiliary connection that the mode of unscrewing of conventional stud auxiliary connection can not be adopted to dismantle, reusable performance is not possessed yet, because which limit its application on automobile product.
Chinese patent Authorization Notice No. is CN202926831U, authorized announcement date is the anti-loose structure that the model utility on May 8th, 2013 discloses a kind of threaded connection pair, it comprises nut, Cock screw, locking ring, bolt, described locking ring loads in nut, with Cock screw, nut is connected with locking ring, described nut and bolt carry out being threaded fastening, carry out embedding tightly locking in the groove of described locking ring stud bolt afterbody, described nut one end is provided with screw thread, the other end is provided with unthreaded hole band seam, and the afterbody of described Cock screw is provided with straight groove.Although it is locking that this model utility can compress locking ring by Cock screw, it still has following defect:
First, this model utility does not ensure the measure that Cock screw does not get loose and structure, once Cock screw gets loose, its anti-loosing effect is not also present in, and therefore, this model utility anti-loosening property is poor;
Secondly, the bolt of this model utility threaded connection pair, nut are special special purpose parts, and manufacture cost is higher, auxiliary connection also add locking ring, Cock screw, complex structure simultaneously, and auxiliary connection cost is higher, and assemble rundown process complexity, efficiency of assembling is very low.The occasion compared with major thread specification can only be applied to by its structural limitations.
Summary of the invention
The object of the invention is to overcome that the anti-loosening property existed in prior art is poor, complex structure and the high defect of cost and problem, provide that a kind of anti-loosening property is good, structure simple and the press fit nut auxiliary connection that cost is low and assembly method thereof.
For realizing above object, technical solution of the present invention is: a kind of press fit nut auxiliary connection, comprises press fit nut, threaded male fastener, and described press fit nut comprises nut body;
Described nut body is cylindrical body, and the center of nut body is provided with through hole, and the internal surface of through hole is smooth surface, and the diameter of through hole is greater than the large footpath of outside thread of threaded male fastener, and one end of nut body is provided with nut flange face.
The smallest radial size in described nut flange face is more than or equal to the outside dimension of nut body.
The structure in described nut flange face is quadrangle, hexagon, dodecagon, hexagonal flower shape or flat.
Described threaded male fastener is bolt, screw or stud.
The diameter of described through hole is than the large footpath of the outside thread of threaded male fastener large 0.05mm – 0.15mm.
The material of described press fit nut is low carbon steel, alloyed steel, stainless steel or aluminum alloy.
An assembly method for press fit nut auxiliary connection, described assembly method comprises the following steps successively:
First threaded male fastener is penetrated successively in the endoporus of a link, in the endoporus of No. two links, until fit in a right side of the left side of threaded male fastener head and a link, fit in a left side of a link and No. two right sides of No. two links, the afterbody of threaded male fastener passes No. two left sides of No. two links, again by press fit nut sleeve on the afterbody of threaded male fastener, so that fit in nut flange face and No. two left sides, then at A, B both direction props up the exterior edge face of the nut body relative with nut flange face, and on C direction, hold the afterbody of threaded male fastener, so that fit completely in left side and a right side of head, fit completely in a left side and No. two right sides, No. two left sides and flanged surface are fitted completely, simultaneously, make it inwardly to produce overall plastic deformation from the periphery of circumference lateral extrusion nut body, the internal surface of through hole is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener, now, described assembly method terminates.
C direction is strained the afterbody of threaded male fastener to auxiliary connection clamping force desired value, screw thread specification, the strength grade of auxiliary connection clamping force desired value and threaded male fastener are relevant.
When described press fit nut auxiliary connection assembled rear needs dismantle time, dismantled by the head of twisting threaded male fastener and nut flange face.
Compared with prior art, beneficial effect of the present invention is:
1, because the auxiliary connection structure in the present invention's a kind of press fit nut auxiliary connection and assembly method thereof comprises press fit nut and threaded male fastener, structure is simple, the center of described nut body is provided with through hole, the internal surface of through hole is smooth surface, the diameter of through hole is greater than the large footpath of outside thread of coupling threaded male fastener, when press fit nut auxiliary connection assembles, press fit nut is extruded bulk deformation, the internal surface of through hole is engaged completely with the outside thread tooth form of threaded male fastener, realize screw connection point blind-mate, the anti-loosening property of auxiliary connection can be improved greatly, simultaneously, internal surface due to through hole is smooth surface, not pre-threaded hole, low cost of manufacture.Therefore, anti-loosening property of the present invention is good, and structure is simple, cost is low.
2, because the press fit nut auxiliary connection in the present invention's a kind of press fit nut auxiliary connection and assembly method thereof is when assembling, first threaded male fastener is penetrated successively a link, in the endoporus of No. two links, on the afterbody again press fit nut sleeve passed in threaded male fastener, then at A, B both direction props up the exterior edge face of nut body, C direction is held threaded male fastener afterbody, make it to produce overall plastic deformation at the periphery of circumference lateral extrusion nut body, the internal surface of through hole is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener, not only achieve screw connection point blind-mate, improve the anti-loosening property of auxiliary connection, and whole process only needs just can complete whole assembly manipulation in press fit nut one end, assembling is simple, save labour turnover.Therefore, anti-loosening property of the present invention good, be easy to assembling, cost is low.
3, because one end of the nut body in the present invention's a kind of press fit nut auxiliary connection and assembly method thereof is provided with nut flange face, and nut flange face is quadrangle, hexagon, dodecagon, hexagonal flower shape or flat etc. can twisting structures, when press fit nut auxiliary connection assembled rear needs dismantle time, modal threaded fastener twisting instrument can be utilized, dismantled by the head of twisting threaded male fastener and nut flange face, and after the dismounting of press fit nut auxiliary connection, the nut of standard can also be equipped with under abnormal condition, possesses good applicability, can reuse.Therefore, the present invention is quick detachable, reusable.
Accompanying drawing explanation
Fig. 1 is erection drawing of the present invention.
Fig. 2 is the structural representation of press fit nut in the present invention.
Fig. 3 is the plan view of press fit nut in the present invention.
In figure: press fit nut 1, nut body 11, through hole 12, nut flange face 13, exterior edge face 14, threaded male fastener 2, head 21, left side 42, link No. 41, two, 4, No. two right sides, No. 32, two, left side, afterbody 22, link No. 31, one, 3, right side.
Embodiment
Illustrate that the present invention is further detailed explanation with embodiment below in conjunction with accompanying drawing.
See Fig. 1 to Fig. 3, a kind of press fit nut auxiliary connection, comprises press fit nut 1, threaded male fastener 2, and described press fit nut 1 comprises nut body 11;
Described nut body 11 is cylindrical body, and the center of nut body 11 is provided with through hole 12, and the internal surface of through hole 12 is smooth surface, and the diameter of through hole 12 is greater than the large footpath of outside thread of threaded male fastener 2, and one end of nut body 11 is provided with nut flange face 13.
The smallest radial size in described nut flange face 13 is more than or equal to the outside dimension of nut body 11.
The structure in described nut flange face 13 is quadrangle, hexagon, dodecagon, hexagonal flower shape or flat.
Described threaded male fastener 2 is bolt, screw or stud.
The diameter of described through hole 12 is than the large footpath of the outside thread of threaded male fastener 2 large 0.05mm – 0.15mm.
The material of described press fit nut 1 is low carbon steel, alloyed steel, stainless steel or aluminum alloy.
An assembly method for press fit nut auxiliary connection, described assembly method comprises the following steps successively:
First threaded male fastener 2 is penetrated successively in the endoporus of a link 3, in the endoporus of No. two links 4, until fit in a right side 31 of the left side of threaded male fastener 2 head 21 and a link 3, fit in a left side 32 of a link 3 and No. two right sides 41 of No. two links 4, the afterbody 22 of threaded male fastener 2 passes No. two left sides 42 of No. two links 4, again press fit nut 1 is enclosed within the afterbody 22 of threaded male fastener 2, so that fit in nut flange face 13 and No. two left sides 42, then at A, B both direction props up the exterior edge face 14 of the nut body 11 relative with nut flange face 13, and on C direction, hold the afterbody 22 of threaded male fastener 2, so that fit completely in left side and a right side 31 of head 21, fit completely in a left side 32 and No. two right sides 41, fit completely with flanged surface 13 in No. two left sides 42, simultaneously, make it inwardly to produce overall plastic deformation from the periphery of circumference lateral extrusion nut body 11, the internal surface of through hole 12 is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener 2, now, described assembly method terminates.
C direction is strained afterbody 22 to the auxiliary connection clamping force desired value of threaded male fastener 2, and screw thread specification, the strength grade of auxiliary connection clamping force desired value and threaded male fastener 2 are relevant.
When described press fit nut auxiliary connection assembled rear needs dismantle time, dismantled by the head 21 of twisting threaded male fastener 2 and nut flange face 13.
Principle of the present invention is described as follows:
1, anti-loosening property is good
Because the center of the nut body 11 in the design's a kind of press fit nut auxiliary connection and assembly method thereof is provided with through hole 12, the internal surface of through hole 12 is smooth surface, the diameter of through hole 12 is greater than the large footpath of outside thread of threaded male fastener, when press fit nut auxiliary connection is when assembling, first threaded male fastener 2 is penetrated a link 3 successively, in the endoporus of No. two links 4, again press fit nut 1 is enclosed within afterbody 22 that threaded male fastener 2 passes, then staking assembly equipment is adopted, at A, B both direction prop up the exterior edge face 14 of nut body 11 and on C direction, hold threaded male fastener 2 afterbody 22 to assembling clamping force desired value, make it to produce overall plastic deformation at the periphery of circumference lateral extrusion nut body 11 simultaneously, the internal surface of through hole 12 is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener 2, the assembly equipment of pulling rivet is adopted to carry out straining rear press fit, the accurate control to auxiliary connection assembling clamping force can be realized, drastically increase the assembly quality of auxiliary connection, described press fit nut 1 adopts low carbon steel, alloyed steel, stainless steel, the moulding good material such as aluminum alloy, so that during assembling press fit nut 1 by monolithic extruded distortion, thus the internal surface of through hole 12 is engaged completely with the outside thread tooth form of threaded male fastener 2, achieve screw connection point blind-mate, greatly can improve the anti-loosening property of auxiliary connection.Therefore, the design's anti-loosening property is good.
2, structure is simple, cost is low
Because the auxiliary connection structure in the design's a kind of press fit nut auxiliary connection and assembly method thereof only comprises press fit nut 1 and threaded male fastener 2, structure is simple, and the center of described nut body 11 is provided with through hole 12, the internal surface of through hole 12 is smooth surface, not pre-threaded hole, low cost of manufacture.In addition, described press fit nut 1 can mate with the threaded male fastener such as the bolt of existing standard, screw, stud and be connected, and the threaded fastener of the existing maturation of maximized employing, reduces the cost that fastening piece connects.When press fit nut auxiliary connection assembles, first threaded male fastener 2 is penetrated a link 3 successively, in the endoporus of No. two links 4, again press fit nut 1 is enclosed within afterbody 22 that threaded male fastener 2 passes, then the assembly equipment of pulling rivet is adopted, at A, B both direction prop up the exterior edge face 14 of nut body 11 and on C direction, hold threaded male fastener 2 afterbody 22 to assembling clamping force desired value, make it to produce plastic deformation at the periphery of circumference lateral extrusion nut body 11 simultaneously, the internal surface of through hole 12 is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener 2, whole process only needs just can complete whole assembly manipulation in press fit nut 1 one end, assembling is simple, save labour turnover.Therefore, the design's structure is simple, cost is low.
3, quick detachable, reusable
Because one end of the nut body 11 in the design's a kind of press fit nut auxiliary connection and assembly method thereof is provided with nut flange face 13, and nut flange face 13 be quadrangle, hexagon, dodecagon, hexagonal flower shape or flat etc. can twisting structures, the threaded male fastener 2 of mating with press fit nut 1 have employed the standard piece such as standard bolt common at present, screw, stud, and its head of these threaded male fastener all has the structure can implementing twisting.When press fit nut auxiliary connection assembled rear needs dismantle time, the modal threaded fastener twisting such as spanner, sleeve instrument can be utilized, dismantled by the head of twisting threaded male fastener and nut flange face, convenient disassembly, and after the dismounting of press fit nut auxiliary connection, the nut of standard can also be equipped with under abnormal condition, possess good applicability, can reuse.Therefore, the design is quick detachable, reusable.
Embodiment:
See Fig. 1 to Fig. 3, a kind of press fit nut auxiliary connection, comprises press fit nut 1, threaded male fastener 2, and described press fit nut 1 comprises nut body 11; Described nut body 11 is cylindrical body, the center of nut body 11 is provided with through hole 12, the internal surface of through hole 12 is smooth surface, the diameter of through hole 12 is greater than the large footpath of outside thread of threaded male fastener 2, one end of nut body 11 is provided with nut flange face 13, and the structure in nut flange face 13 is quadrangle, hexagon, dodecagon, hexagonal flower shape or flat.
By such scheme, a kind of assembly method of press fit nut auxiliary connection, described assembly method comprises the following steps successively: first threaded male fastener 2 penetrated in the endoporus of a link 3 successively, in the endoporus of No. two links 4, until fit in a right side 31 of the left side of threaded male fastener 2 head 21 and a link 3, fit in a left side 32 of a link 3 and No. two right sides 41 of No. two links 4, the afterbody 22 of threaded male fastener 2 passes No. two left sides 42 of No. two links 4, again press fit nut 1 is enclosed within the afterbody 22 of threaded male fastener 2, so that fit in nut flange face 13 and No. two left sides 42, then at A, B both direction props up the exterior edge face 14 of the nut body 11 relative with flanged surface 13, and on C direction, hold the afterbody 22 of threaded male fastener 2, so that fit completely in left side and a right side 31 of head 21, fit completely in a left side 32 and No. two right sides 41, fit completely with flanged surface 13 in No. two left sides 42, simultaneously, make it inwardly to produce overall plastic deformation from the periphery of circumference lateral extrusion nut body 11, the internal surface of through hole 12 is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener 2, now, described assembly method terminates, when described press fit nut auxiliary connection assembled rear needs dismantle time, dismantled by the head 21 of twisting threaded male fastener 2 and flanged surface 13.

Claims (9)

1. a press fit nut auxiliary connection, comprises press fit nut (1), threaded male fastener (2), and described press fit nut (1) comprises nut body (11), it is characterized in that:
Described nut body (11) is cylindrical body, the center of nut body (11) is provided with through hole (12), the internal surface of through hole (12) is smooth surface, the diameter of through hole (12) is greater than the large footpath of outside thread of threaded male fastener (2), and one end of nut body (11) is provided with nut flange face (13).
2. a kind of press fit nut auxiliary connection according to claim 1, is characterized in that: the smallest radial size of described nut flange face (13) is more than or equal to the outside dimension of nut body (11).
3. a kind of press fit nut auxiliary connection according to claim 1, is characterized in that: the structure of described nut flange face (13) is quadrangle, hexagon, dodecagon, hexagonal flower shape or flat.
4. a kind of press fit nut auxiliary connection according to claim 1, is characterized in that: described threaded male fastener (2) is bolt, screw or stud.
5. according to a kind of press fit nut auxiliary connection in claim 1 – 4 described in any one, it is characterized in that: the diameter of described through hole (12) is than the large footpath of the outside thread large 0.05mm – 0.15mm of threaded male fastener (2).
6. according to a kind of press fit nut auxiliary connection in claim 1 – 4 described in any one, it is characterized in that: the material of described press fit nut (1) is low carbon steel, alloyed steel, stainless steel or aluminum alloy.
7. an assembly method for a kind of press fit nut auxiliary connection according to claim 1, is characterized in that: described assembly method comprises the following steps successively:
First threaded male fastener (2) is penetrated successively in the endoporus of a link (3), in the endoporus of No. two links (4), until a right side (31) of the left side of threaded male fastener (2) head (21) and a link (3) is fitted, a left side (32) of a link (3) and No. two right sides (41) of No. two links (4) are fitted, the afterbody (22) of threaded male fastener (2) passes No. two left sides (42) of No. two links (4), again press fit nut (1) is enclosed within the afterbody (22) of threaded male fastener (2), so that nut flange face (13) and No. two left sides (42) are fitted, then at A, B both direction props up the exterior edge face (14) of the nut body (11) relative with nut flange face (13), and on C direction, hold the afterbody (22) of threaded male fastener (2), so that left side and a right side (31) of head (21) are fitted completely, a left side (32) is fitted completely with No. two right sides (41), No. two left sides (42) are fitted completely with nut flange face (13), simultaneously, make it inwardly to produce overall plastic deformation from the periphery of circumference lateral extrusion nut body (11), the internal surface of through hole (12) is made to be engaged to form internal thread completely with the outside thread tooth form of threaded male fastener (2), now, described assembly method terminates.
8. the assembly method of a kind of press fit nut auxiliary connection according to claim 7, it is characterized in that: on C direction, strain the afterbody (22) of threaded male fastener (2) to auxiliary connection clamping force desired value, screw thread specification, the strength grade of auxiliary connection clamping force desired value and threaded male fastener (2) are relevant.
9. the assembly method of a kind of press fit nut auxiliary connection according to claim 7, is characterized in that:
When described press fit nut auxiliary connection assembled rear needs dismantle time, dismantled by the head (21) of twisting threaded male fastener (2) and nut flange face (13).
CN201510280904.9A 2015-05-28 2015-05-28 Extrusion assembly nut connecting pair and assembly method thereof Pending CN104912897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510280904.9A CN104912897A (en) 2015-05-28 2015-05-28 Extrusion assembly nut connecting pair and assembly method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510280904.9A CN104912897A (en) 2015-05-28 2015-05-28 Extrusion assembly nut connecting pair and assembly method thereof

Publications (1)

Publication Number Publication Date
CN104912897A true CN104912897A (en) 2015-09-16

Family

ID=54082254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510280904.9A Pending CN104912897A (en) 2015-05-28 2015-05-28 Extrusion assembly nut connecting pair and assembly method thereof

Country Status (1)

Country Link
CN (1) CN104912897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372847A (en) * 2018-12-06 2019-02-22 康为同创集团有限公司 A kind of fixing means of fixed device and flange and bellows

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102974A (en) * 1985-04-29 1987-02-18 赫克制造公司 But alterable clamping force fastening piece and clamping means thereof that workpiece is clamped together
CN86102960A (en) * 1985-04-29 1987-04-29 赫克制造公司 Anchor bolt with expansion lock and pin stop
US5604968A (en) * 1989-05-31 1997-02-25 Huck Patents, Inc. Fastener system including a swage fastener and tool for installing same
CN1369041A (en) * 1999-08-06 2002-09-11 赫克国际公司 Low swage load fastener and fastening system
CN204664109U (en) * 2015-05-28 2015-09-23 东风商用车有限公司 Extrusion assembly nut connecting pair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102974A (en) * 1985-04-29 1987-02-18 赫克制造公司 But alterable clamping force fastening piece and clamping means thereof that workpiece is clamped together
CN86102960A (en) * 1985-04-29 1987-04-29 赫克制造公司 Anchor bolt with expansion lock and pin stop
US5604968A (en) * 1989-05-31 1997-02-25 Huck Patents, Inc. Fastener system including a swage fastener and tool for installing same
CN1369041A (en) * 1999-08-06 2002-09-11 赫克国际公司 Low swage load fastener and fastening system
CN204664109U (en) * 2015-05-28 2015-09-23 东风商用车有限公司 Extrusion assembly nut connecting pair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372847A (en) * 2018-12-06 2019-02-22 康为同创集团有限公司 A kind of fixing means of fixed device and flange and bellows
CN109372847B (en) * 2018-12-06 2023-08-25 康为同创集团有限公司 Fixing device and fixing method of flange and corrugated pipe

Similar Documents

Publication Publication Date Title
CN204664109U (en) Extrusion assembly nut connecting pair
CN105937538A (en) Structure of locknut and locking adjusting method for locknut
CN204664107U (en) A kind of nylon locking nut
CN203067490U (en) Locknut
CN106224355A (en) Elastic cone wedging type stop nut
CN204477001U (en) External thread fastener with pre-grooved tail end capable of realizing riveting assembly
CN203348282U (en) Locking device for large-specification bolt connecting piece
CN205744788U (en) One presses solidly nut retainer
CN104912897A (en) Extrusion assembly nut connecting pair and assembly method thereof
CN206092662U (en) Elastic cone wedging formula locknut
CN203532475U (en) Nut of grooving anti-loose bolt and nut fastening connection device
CN202182098U (en) Locknut special for contact networks in railways
CN104595329A (en) External thread fastener with pre-grooved tail end and capable of realizing riveting assembly and using method thereof
CN104930040B (en) A kind of stop nut assembly
CN204664117U (en) A kind of flanged surface nylon nut
CN201973046U (en) Connecting structure for steel plate riveted nylon self-locking nuts
CN205744833U (en) A kind of structure of stop nut
EP3303016A1 (en) Tire valve for a pneumatic tire of a vehicle
CN202883627U (en) Screw joint device easy to disassemble and assemble
CN210218371U (en) Combined lock nut
CN201554751U (en) Tensile high-locking nut
CN201439792U (en) Automobile brake drum connecting bolt
CN210318112U (en) Cap-shaped nut with good anti-theft performance
CN211343638U (en) Novel clutch master cylinder stud mounting structure
CN202402444U (en) Fastening lock bolt

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150916