CN201318364Y

CN201318364Y - Ring groove rivet connection pair

Info

Publication number: CN201318364Y
Application number: CNU2008201802141U
Authority: CN
Inventors: 吴利荣; 吴利锭
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-28
Filing date: 2008-11-28
Publication date: 2009-09-30
Anticipated expiration: 2018-11-28

Abstract

The utility model relates to a rivet, in particular to a ring groove rivet connection pair. The ring groove river connection pair comprises a rivet main body and a ring sleeve which is used for being fixed with the rivet main body in a riveting manner. the rivet main body comprises a cylindrical rod part, a head part is arranged at one end of the rod part, and the diameter of the head part is larger than that of the rod part; a necking part is arranged on the rod part, the rod part is divided into a main rod which is connected with the head part and a tail rod by the necking part, a plurality of main rod ring-shaped grooves are arranged on the outer surface of the main rod, and a plurality of tail rod ring-shaped grooves are arranged on the outer surface of the tail part of the tail rod. The rigidity of material of the rivet main body is larger than that of the ring sleeve which is fixed with the rivet main body in a riveting manner, and the material of the rivet main body is medium carbon steel, low carbon alloy steel, stainless steel or aluminum alloy. When in use, plastic deformation is incurred at the ring sleeve by a riveting device, so as to lead a part of metal of the ring sleeve to be extruded into the ring grooves on the rod part; meanwhile, the rivet main body is pulled cut at the position of a thin neck; therefore, the clamping force is large, the shock resisting property is good, and the connection pair is more firm and reliable compared with a bolt and the welding.

Description

The ring-grooved rivet auxiliary connection

Technical field

The utility model relates to a kind of rivet, is specially the cold riveting ring-grooved rivet auxiliary connection that a kind of steel structure connects usefulness.

Background technique

At present, the steel structure of machinery such as boats and ships, bridge, various kinds of vehicles connects the bolts that adopt more and connects, because bolt and nut is movable connection, hold being disassembled very much, yet bolt connects the loosening easily problem of existence, especially for high-end devices, after long-term the use, under sharp pounding, impulsive load, can not self-locking locking, thereby lost the fundamental function that connects.These deficiencys are all used to engineering and are brought hidden danger, even become the immediate cause that parts lost efficacy, and the bolt quality of connection is undesirable loosening easily, if can not find in time that consequence is hardly imaginable; Non-disconnectable connection mostly is welding, but welding easily makes part distortion produce stress; It is main conventional rivets that existing riveting technology mainly adopts rivet hot, and it is big that labor intensity is installed, and efficient is low, and noise is big, and the intensity after the riveted joint riveted joint is low, clamping force is less, and its mechanical property only is equivalent to 4.8 grades bolt, can not be used for high-intensity connection.

The model utility content

Technical problem to be solved in the utility model is the problem that solves the riveted joint of steel structure high strength.

In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted provides a kind of ring-grooved rivet auxiliary connection, comprise the rivet body and be used for the ring set of riveted fixing with it, described rivet body comprises that an end of a cylindric bar portion and this bar portion has the head of diameter greater than bar portion diameter, described bar portion is provided with a necking part, this necking part partly becomes bar mobile jib and the foot piece that is connected with head, the outer surface of described mobile jib is provided with some mobile jib annular grooves, and the afterbody outer surface of described foot piece is provided with some foot piece annular grooves.

In the such scheme, the material of described rivet body is middle-carbon steel, low-carbon alloy steel, stainless steel or aluminum alloy, the material of Dui Ying ring set is a low carbon steel with it, low-carbon alloy steel, stainless steel or aluminum alloy, and the hardness of rivet body material is greater than the hardness of the ring set of riveted fixing with it.

When the utility model uses, the riveting gun muzzle of riveting set is clamped the foot piece of rivet body, mould anvil in the muzzle withstands ring set, makes the foot piece tension, the ring set of mould anvil extruding simultaneously, make it to produce plastic deformation, a part of metal of ring set is clamp-oned in the annular groove in the bar portion, and when muzzle mould anvil withstood connecting plate, the metal that ring set is clamp-oned in the annular groove reached to greatest extent, the rivet body is broken at thin neck place simultaneously, and riveted joint is finished.Therefore, clamping force big and stressed evenly, be suitable for the locking fastening of never drop-off under the vibration environment, have good shock resistance, more firm more, reliable than bolt and welding, parts connect the interlock of back for the distortion of no gap, and no atmosphere or liquids immerse, and prevent the crevice corrosion between the component.

Description of drawings

Fig. 1 is the utility model rivet main body structure schematic representation;

Fig. 2 a, Fig. 2 b are respectively the forward and backward sectional drawing of riveted joint of the utility model ring set;

Fig. 3 is a schematic representation before the riveted joint of the utility model ring-grooved rivet auxiliary connection;

Fig. 4 is the utility model ring-grooved rivet auxiliary connection riveted joint back schematic representation.

Among the figure: the 1-head; 2-bar portion; The 3-ring set; The 4-mobile jib; The 5-foot piece; The 6-necking part; 7-mobile jib annular groove; 8-foot piece annular groove; 9-rivet body.

Embodiment

Below in conjunction with accompanying drawing the utility model is made detailed explanation.

As Fig. 1, shown in Figure 2, the utility model ring-grooved rivet auxiliary connection comprises rivet body 9 and is used for the ring set 3 of riveted fixing with it, rivet body 9 comprises that an end of a cylindric bar portion 2 and this bar portion 2 has the head 1 of diameter greater than bar portion diameter, its king-rod portion 2 is provided with a necking part 6, this necking part 6 is divided into bar portion 2 mobile jib 4 and the foot piece 5 that is connected with head 1, the outer surface of mobile jib 4 is provided with some mobile jib annular grooves 7, this mobile jib annular groove 7 is annular grooves that multiple tracks be arranged in parallel, the afterbody outer surface of described foot piece 5 is provided with some foot piece annular grooves 8, foot piece 5 plays guiding with foot piece annular groove 8 and is subjected to the main pulling force effect, the internal diameter of ring set 3 is bigger 0.1～0.2 millimeter than the maximum outside diameter of mobile jib 4 and mobile jib annular groove 7, and the hardness of ring set 3 is less than the hardness of rivet body 9.5 of foot pieces are provided with some foot piece annular grooves 8 at its afterbody, barrel portion between foot piece annular groove 8 and bar portion 2 necking parts 6 play the guiding role on the one hand, strengthened the intensity of foot piece 5 on the other hand greatly, when stretching, fractureed and can not split off at foot piece annular groove 8 places in necking part 6 places to guarantee bar portion 2.

As shown in Figure 3, Figure 4, the riveted joint mode of the utility model ring-grooved rivet auxiliary connection is as follows: at first the bar portion 2 with rivet body 9 inserts in the member attachment hole, ring set 3 is enclosed within the position of the mobile jib annular groove 7 on the mobile jib 4; Clamp the foot piece 5 of rivet body 9 then with riveting gun, press the riveting gun air valve, rivet body 9 is stretched, and riveting gun inwardly pushes ring set 3 simultaneously, and the Internal Hole Deformation of ring set 3 is inwardly shunk, produce plastic deformation, a part of metal of ring set 3 is clamp-oned in the mobile jib annular groove 7 on the mobile jib 4, and when muzzle mould anvil withstood connecting plate, the metals that ring set 3 is clamp-oned in the mobile jib annular groove 7 reached to greatest extent, rivet body 9 is broken at necking part 6 places simultaneously, and riveted joint is finished.The riveted joint of rivet is to adopt special-purpose Riveting Tool---hydraulic pressure ring-grooved rivet auxiliary connection riveting set.

The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technological scheme, all fall within the protection domain of the present utility model.

Claims

1, ring-grooved rivet auxiliary connection, comprise the rivet body and be used for the ring set of riveted fixing with it, described rivet body comprises that an end of a cylindric bar portion and this bar portion has the head of diameter greater than bar portion diameter, it is characterized in that described bar portion is provided with a necking part, this necking part partly becomes bar mobile jib and the foot piece that is connected with head, the outer surface of described mobile jib is provided with some mobile jib annular grooves, and the afterbody outer surface of described foot piece is provided with some foot piece annular grooves.

2, ring-grooved rivet auxiliary connection as claimed in claim 1, the material that it is characterized in that described rivet body is middle-carbon steel, low-carbon alloy steel, stainless steel or aluminum alloy, the material of Dui Ying ring set is a low carbon steel with it, low-carbon alloy steel, stainless steel or aluminum alloy, and the hardness of rivet body material is greater than the hardness of the ring set of riveted fixing with it.