CN201696420U

CN201696420U - Rivet fastening structure

Info

Publication number: CN201696420U
Application number: CN2010201794994U
Authority: CN
Inventors: 林士荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-26
Filing date: 2010-04-26
Publication date: 2011-01-05
Anticipated expiration: 2020-04-26

Abstract

The utility model relates to a rivet fastening structure, which comprises a T-shaped rivet rod and an inverted T-shaped rivet sleeve. A larger-diameter rivet head is formed on the end edge of a rod body of the rivet rod, the rivet sleeve is provided with a hollow sleeve, and the tail end of the sleeve extends outwards to form a stopper portion. Substantially, an extended rod section and a first fastening section are formed on the rod body of the rivet rod adjacent to the rivet head, a deforming section is formed at a proper position on the periphery of the middle section of the sleeve of the rivet sleeve, a second fastening section is formed on the inner wall of the tail end of the sleeve, when the rivet rod penetrating through the rivet sleeve is fastened with the second fastening section in an embedment manner by aid of the first fastening section, the extended rod section locally pushes the deforming section to expand outwards in a V form to deform, along with increasing of embedded parts of the first fastening section and the second fastening section, the area of the deformation section expanding outward is correspondingly increased, and therefore, the deforming section is utilized to press and push a fixed object so as to achieve the effect of the rivet fastening structure.

Description

The fastening structure of blind rivet

Technical field

The utility model refers to a kind of blind rivet, and is relevant with its fastening structure.

Background technique

Blind rivet is the abbreviation that draws the stamen rivet, is a kind of in order to two plates are fixed instrument together.General blind rivet can cooperate Rivet gun in the use, usage mode is for to put into the Rivet gun mouth with blind rivet, hold the Rivet gun handle, the blind rivet head is put into the nail hole of sheet material and tightly leaned against on the hole, hand is with defeating handle, the blind rivet head is subjected to the torsion of Rivet gun and expands outwardly, and makes the material fluid-tight engagement together, and always firmly till pulling the nail stalk and being torn.Blind rivet is applicable to the riveting work that one-sided construction can be finished, construction, operation is very easy, fast, can not destroy workpiece.

By prior art as can be known, general blind rivet is mainly metal material, and the intensity of metal blind rivet is enough and stationarity is good, and widely market is accepted, but also there are some shortcomings in the metal blind rivet, for example gets rusty easily, have electric conductivity, cost is relatively costly or the like.For dealing with the needs of some special occasions, the dealer also develops some plastics blind rivets, and the largest benefit of plastics blind rivet is waterproof non-corrosive, pliability advantage good and with low cost.Announce the disclosed creation of No. 492526 " structure-improved of blind rivet " patent case as TaiWan, China, its structural design roughly comprises a hollow snap-fastener, an one expansion block screw plug and a guiding pull-rod, the hollow snap-fastener has a cylinder section, one pit supporting part and a brim part, expansion block screw plug has one first end, one cone part and one second end, the cone part of expansion block screw plug is between first end and second end, the guiding pull-rod has a weight reducing end and a barred body portion, the weight reducing end can supply to be incorporated into second end of expansion block screw plug, and first end of expansion block screw plug is provided with a brake structure.Above-mentioned when commonly using case and using, the structure of head expansion and clipping object is also unstable, and main cause is that the area of head expansion is too little, causes the deficiency of packing clamped surface.In addition when blind rivet clipping workpiece during to stationary state, commonly use creation only utilize two sides be＜cone part of shape is fastened in the fastening structure in the cylinder section, and fixation workpiece really, causes the disappearance in the use, reality has necessity of further being improved.

The model utility content

Main purpose of the present utility model is to provide a kind of fastening structure of blind rivet, when making blind rivet clipping fixation workpiece, its clamping part can have bigger clamping area, and firm and difficult loosening fastening structure, promotes the steadiness and the effective utilization of blind rivet clamping workpiece.

For reaching above-mentioned purpose, the technical solution adopted in the utility model is:

A kind of fastening structure of blind rivet, comprise a nail bar and nail cover, this nail bar is the ailhead that a body of rod and ora terminalis form big footpath, and this nail overlaps the sleeve pipe with a hollow, and forms a stopper part in this tube ends, wherein, the body of rod of adjacent this ailhead of this nail bar forms a spreader bar section and first fastening section, should then form deformation section in sleeve pipe circumference suitable position by the nail cover, and be positioned at terminal second fastening section, the external diameter of this spreader bar section is greater than the internal diameter of this sleeve pipe.

This first fastening section and second fastening section are monolateral oblique tooth portion and are constituted by some respectively.

This first fastening section and second fastening section is made of some V-shaped taper tooth portions respectively.

The deformation section of this nail cover is along the circumferential direction to cut open in this cover section position, stage casing to establish some slotted eyes and constitute.

The body of rod of this nail bar inwardly shortens a neck in abutting connection with this appropriate location of first fastening section.

Adopt such scheme, because the body of rod of the utility model nail bar forms a spreader bar section and first fastening section, this nail cover then forms a deformation section and one second fastening section in sleeve pipe stage casing suitable position, when wearing this nail cover, the nail bar utilize this first fastening section and second fastening section chimeric when fastening, this spreader bar section is pushed this deformation section part and outwards is V-shape expansion and is out of shape, and along with this first fastening section increase with second fastening section chimeric part, the area that this deformation section expands outwardly also increases relatively, and then utilize this deformation section to compress, the object that packing is fixing, promote the spatial area of blind rivet clipping workpiece, and first fastening section be embedded mutually with second fastening section and combine fixingly, reaches the effect that increases the blind rivet fastening structure.

Below in conjunction with preferred embodiment and conjunction with figs. the utility model is elaborated.

Description of drawings

Fig. 1 is a three-dimensional combination figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3,3A, 3B are combination section of the present utility model;

Fig. 4,4A, 4B are another combination section of the present utility model;

Fig. 5 is a use schematic representation of the present utility model;

Fig. 6 is the schematic representation that is used to complete of the present utility model.

The primary component symbol description

10 nail bars, 11 bodies of rod, 12 ailheads

14 fastening sections 15 necks of 13 spreader bar sections

20 nail covers, 21 sleeve pipes, 211 slotted eyes

24 second fastening sections of 22 stopper parts, 23 deformation sections

Embodiment

See also Fig. 1 to shown in Figure 6, be the fastening structure of blind rivet of the present utility model, it comprises a nail bar 10 and nail cover 20, utilizes this nail bar 10 to wear after nail overlaps 20, pulls this nail bar 10 ends by Rivet gun 30, reaches the purpose of clipping, fixation workpiece, wherein:

This nail bar 10 generally is the T font, is the ailhead 12 that a body of rod 11 and ora terminalis form big footpath, and this body of rod 11 is connected the position of these ailheads 12 simultaneously, forms the spreader bar section 13 in big bar footpath, and first fastening a section 14 of being made of plurality of teeth portion.Shown in Fig. 3,3A, 3B, 4,4A, 4B, this tooth portion of first fastening section 14 is monolateral oblique tooth portion, or the taper tooth portion of V-arrangement.This body of rod 11 inwardly shortens a neck 15 in abutting connection with this appropriate location of first fastening section 14 again, when finishing mounting article as blind rivet, and the design of the terminal docking of this nail bar.

This nail cover 20 is the font of falling T, sleeve pipe 21 with a hollow, and the stopper part 22 that is shaped in these sleeve pipe 21 ends, along the circumferential direction cut open in this position, sleeve pipe 21 stage casing and to be provided with some slotted eyes 211 and to constitute a deformation section 23, form second fastening section 24 that constitutes by plurality of teeth portion simultaneously and in these sleeve pipe 21 inner wall at end faces.This second fastening section 24 identical with this tooth portion of first fastening section 14, can be monolateral oblique tooth portion, or the taper tooth bilge construction of V-arrangement.

When the utility model blind rivet uses, shown in Fig. 3,5,6, this nail cover 20 worn the fixing workpiece inner edge of two desires after, should follow closely bar 10 again and wear, and make Rivet gun 30 and the body of rod 11 ends of following closely bar 10 fix to this sleeve pipe 21 inner edges.When these Rivet gun 30 starts are pullled this nail bar 10 and are made this first fastening section 14 and second fastening section 24 chimeric, because the external diameter of this spreader bar section 13 is greater than deformation section 23 internal diameters of this sleeve pipe 21, so this spreader bar section 13 can be pushed these deformation section 13 parts and outwards is the V-shape expansion and is out of shape.Along with the increase at this first fastening section 14 and second fastening section 24 chimeric position, the area that this deformation section 23 expands outwardly also increases relatively.As shown in Figure 6, when this nail cover 10 and nail cover 20 utilize first fastening section 14 with second fastening section 24 chimeric and when being attached to the limit, these body of rod 11 meetings be ruptured from neck 15 positions; And deformation section 23 can be extruded and is flat, and further compressing is resisted against workpiece surface, and then increases the fixing lifting surface area of workpiece clipping.This first fastening section 14 and second fastening section 24 can present firm fixed structure by closely being embedded of tooth portion and tooth portion simultaneously, can avoid the fixed structure generation of workpiece loosening, reaches the effect that increases the blind rivet fastening structure.

In sum, the utility model has its splendid progressive practicability in fact in like product, the foregoing description, only in order to illustrate the utility model, and unrestricted enforcement of the present utility model, the various equivalences of doing not breaking away from the utility model are replaced, are modified and use, and all should fall into category of the present utility model.

Claims

1. the fastening structure of a blind rivet comprises a nail bar and nail and overlaps, and this nail bar is the ailhead that a body of rod and ora terminalis form big footpath, and this nail overlaps the sleeve pipe with a hollow, and forms a stopper part in this tube ends, it is characterized in that:

The body of rod of adjacent this ailhead of this nail bar forms a spreader bar section and first fastening section, should then form deformation section in sleeve pipe circumference suitable position by the nail cover, and be positioned at terminal second fastening section, and the external diameter of this spreader bar section is greater than the internal diameter of this sleeve pipe.

2. the fastening structure of blind rivet as claimed in claim 1 is characterized in that: this first fastening section and second fastening section are monolateral oblique tooth portion and are constituted by some respectively.

3. the fastening structure of blind rivet as claimed in claim 1, it is characterized in that: this first fastening section and second fastening section is made of some V-shaped taper tooth portions respectively.

4. the fastening structure of blind rivet as claimed in claim 1 is characterized in that: the deformation section of this nail cover is along the circumferential direction to cut open in this cover section position, stage casing to establish some slotted eyes and constitute.

5. the fastening structure of blind rivet as claimed in claim 1, it is characterized in that: the body of rod of this nail bar inwardly shortens a neck in abutting connection with this appropriate location of first fastening section.