CN200946619Y

CN200946619Y - Pull nail

Info

Publication number: CN200946619Y
Application number: CN 200620131211
Authority: CN
Inventors: 黄彦皓; 梁金柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-18
Filing date: 2006-08-18
Publication date: 2007-09-12
Anticipated expiration: 2016-08-18

Abstract

The utility model relates to a pulling rivet, which is a core-pulling rivet for fixing more than two board bodies together and comprises a rod-shaped pulling core and an external sleeve tube packing one end of the pulling core, wherein the external sleeve tube has two ends including a sealed end and an open end; the open end has a retaining edge protruding radially; the ring circumferential wall of the external sleeve tube end near the closed end has a radially recessed neck; one end of the pulling core has a head extending into sealed end of the external sleeve tube; the rod body of the pulling core is provided with a recess-shaped neck corresponding to neck of the external sleeve tube so that the pulling core can not be separated from the external sleeve tube. When the sealed end of the external sleeve tube, with the pulling core head, passes through the board bodies, and anther end of the pulling core is drawn with a rivet gun, the circumferential wall of the external sleeve tube will be pressed by the pulling core head to expand outward and deform and thereby clamp the board bodies between two ends of the external sleeve tube. Because the deformation end of the external sleeve tube is sealed, water permeable cracks can seldom by produced in expansion and deformation.

Description

Blind rivet

Technical field

The utility model is to belong to a kind of technical field with the fastening device together of two plates, particularly relates to a kind of blind rivet.

Background technique

" blind rivet " is for drawing the abbreviation of stamen rivet, be a kind of in order to two plates are fixed utensil together, mainly comprise and draw stamen, an outer sleeve, draw a wherein end of stamen to form a head, to be placed through in the outer sleeve, and contiguous head place is provided with a neck, outer sleeve is placed through on two plates, draws the stamen drawing, promptly can force head to strut outer sleeve with the Rivet gun clipping, and will draw stamen to break, promptly with two plate body clippings together by the outer sleeve two ends by neck.Structure kenel about blind rivet is numerous, wherein also is no lack of the monopolist of getting permission, as No. 492526 " structure-improved of blind rivet " novel patent case of TaiWan, China patent announcement, M265178 number " blind rivet improvement structure " novel patent case, the novel patent case of M258200 number " blind rivet ", No. 404461 " can forward guide the blind rivet of expansion " novel patent case.The right outer sleeve of seeing all each patent cases is two ends and connects shape, draws the head of stamen to force a wherein end of outer sleeve to strut with utilization, and obtains block, and two plate bodys are fixing together.

Yet, though this kind blind rivet form can obtain purpose that two plate bodys are combined, but very easily make outer sleeve when being strutted, split, when its during as body surface, situation promptly can seep water.

So the structure of existing blind rivet has necessity of further improvement.

This shows that above-mentioned existing blind rivet obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that blind rivet exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of blind rivet of new structure, just becoming the current industry utmost point needs improved target.

Because the defective that above-mentioned existing blind rivet exists, the design people is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of blind rivet of new structure, can improve general existing blind rivet, make it have more practicability.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

Bad in order to improve existing blind rivet structural design, promptly cause outer sleeve very easily to break and the disappearance that seeps water, the blind rivet structure of splitting when main purpose of the present utility model is to provide can prevent outer sleeve to strut.Based on above-mentioned purpose, design concept of the present utility model is that outer sleeve is made as closed end so as to strutting this end, is difficult for when it is strutted breaking and difficult infiltration, thereby is suitable for practicality more.

The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.According to a kind of blind rivet that the utility model proposes, it comprises: a shaft-like stamen that draws, and draw the wherein end of stamen to be made as outer rim and be radially outstanding head, the stamen body of rod that draws of contiguous head this end is provided with a neck that is recessed into ringwise; One outer sleeve, for having the hollow tube at two ends, wherein an end is made as closed end, and the other end is an opening end, ring-like outer periphery in opening end are provided with a radially outstanding retaining edge, and the described head of stamen that draws promptly is sheathed on closed end, and on the ring-like perisporium of outer sleeve, be provided with a radially recessed neck corresponding to the neck position deployment of drawing stamen, and the neck internal and external peripheral wall of outer sleeve is in the same way towards being recessed.

The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.

Aforesaid blind rivet, the wherein said neck section of being located on the outer sleeve is V-arrangement wide outside and narrow inside.

The utility model compared with prior art has tangible advantage and beneficial effect.

Via as can be known above-mentioned, the utility model be a kind of in order to plural plate body fixing together draw the stamen rivet, it comprises a shaft-like stamen that draws, one is sheathed on and draws the wherein outer sleeve of an end of stamen, outer sleeve has two ends, be made as closed end respectively, opening end, be provided with a radially outstanding retaining edge in opening end, the ring-like perisporium of contiguous this end of closed end of outer sleeve is provided with radially recessed neck, and draw stamen wherein an end be made as the head that stretches into the outer sleeve closed end, and in drawing the stamen body of rod to be provided with and the corresponding invaginated type neck of outer sleeve neck, make and draw stamen and can't break away from outer sleeve, when with the closed end of outer sleeve together with drawing the stamen head to pass plate body, and when drawing the stamen the other end with the Rivet gun drawing, promptly extend out distortion by the crowded outer sleeve perisporium of the head that draws stamen, and then with the plate body clipping between the outer sleeve two ends because outer sleeve is out of shape this end and is made as closed shape, seep water so be difficult for the generation crack when extending out distortion.

Implement after the above-mentioned technological means, the utility model can reach following advantage:

Operation the utility model with two with upper plate body fixedly the time, be to make the head that draws stamen force the body distortion expansion of the contiguous closed end of outer sleeve, and support under the pressure of the plate body surface, because the outer sleeve perisporium is a closed shape so as to strutting this section of fixed plate body, have preferable intensity and be difficult for splitting, to improve the outer sleeve of existing blind rivet, be made as the open end in order to strut this end of change, produce the disappearance of crack infiltration when causing dilatating and deformable.

In sum, the utlity model has above-mentioned plurality of advantages and use value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing blind rivet has the multinomial effect of enhancement, thereby is suitable for practicality more, really is a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is a combination generalized section in plane of the present utility model.

Fig. 2 utilizes the utility model in conjunction with the combination of the plane at the beginning of plate body generalized section.

Fig. 3 is that the utility model draws stamen, makes the plane combination generalized section of outer sleeve deformation fixing board body.

Fig. 4 is the stamen fracture of drawing of the present utility model, the floor map that the part is shifted out.

10: draw stamen 11: head

12: connecting part 13: neck

20: outer sleeve 21: closed end

22: retaining edge 23: neck

30: Rivet gun 40,41: plate body

400,410: perforation

Embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of blind rivet, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also shown in Figure 1, blind rivet provided by the utility model is to comprise that one shaft-like draws stamen 10 and to be sheathed on to draw the wherein outer sleeve 20 of an end of stamen 10, wherein, outer sleeve 20 has two ends, wherein an end is made as closed end 21, the other end is made as opening end, be provided with a radially outstanding retaining edge 22 in opening end, the ring-like perisporium of outer sleeve 20 contiguous closed end 21 these ends is provided with radially recessed neck 23, and the internal and external peripheral wall of neck 23 is in the same way towards being recessed, in the middle of this preferred embodiment, neck 23 is to be made as to extend out interior narrow V-type.

And the described shaft-like stamen 10 that draws also has two ends, it stretches into outer sleeve 20 these ends and is made as head 11, head 11 is to be correspondingly positioned in the scope of closed end 21, the other end then is made as connecting part 12, borrow and combine with Rivet gun, the shape of connecting part 12 has a variety of, because its non-pass the utility model emphasis, so no longer to limit.In addition on the body of rod that draws stamen 10,, be provided with the recessed neck 13 of a ring, make and draw stamen 10 to form the blocking states and can't deviate from by neck 13 and outer sleeve 20 corresponding to neck 23 positions of outer sleeve 20.

See also shown in Figure 2, utilize the utility model in conjunction with

plate body

40,41 o'clock, be to be provided with the perforation 400,410 of passing prior to

plate body

40,41 in advance for outer sleeve 20, during operation, the connecting part 12 of drawing stamen 10 is incorporated on the Rivet gun 30, the retaining edge 22 of outer sleeve 20 pastes and is butted on Rivet gun 30 ends, then outer sleeve 20 is passed the perforation 400,410 of

plate body

40,41 by closed end 21, to keeping off edge 22 till reaching plate body 40 end faces, at this moment, the closed end 21 of outer sleeve 20 and neck 23 all protrude in plate body 41.

Then start Rivet gun 30, to draw stamen 10 toward Rivet gun 30 direction drawings, promptly make and draw stamen 10 displacements, because drawing the head 11 of stamen 10 is to be coated in the middle of the closed end 21 of outer sleeve 20, can not break away between the two, so the closed end 21 of outer sleeve 20 can be along with drawing stamen 10 by drawing, yet its retaining edge 22 is propped up again, so in the process of drawing stamen 10 to move, can push the body stage casing of outer sleeve 20 as shown in Figure 3, make the distortion of outer sleeve 20 bodys and expansion outwardly, block is established each

plate body

40,41 riveting fixing in plate body 41 end faces.When pulling on when being pulled stamen 10, promptly can will draw stamen 10 to shift out as shown in Figure 4 from its neck 13 fractures together with Rivet gun 30, draw 11 on the head of stamen 10 to be embedded at closed end 21 inside of outer sleeve 20.

Because outer sleeve is made as sealing so as to strutting this section of fixed plate body, has preferable intensity, is difficult for splitting and is difficult for seeping water.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1, a kind of blind rivet, it comprises:

The one shaft-like stamen that draws draws the wherein end of stamen to be made as outer rim and is radially outstanding head, and the stamen body of rod that draws of contiguous head this end is provided with a neck that is recessed into ringwise;

One outer sleeve, for having the hollow tube at two ends, wherein an end is made as closed end, and the other end is an opening end, is provided with a radially outstanding retaining edge in the ring-like outer periphery of opening end, it is characterized in that:

The described head of stamen that draws promptly is sheathed on closed end, and on the ring-like perisporium of outer sleeve, be provided with a radially recessed neck corresponding to the neck position deployment of drawing stamen, and the neck internal and external peripheral wall of outer sleeve is in the same way towards being recessed.

2, blind rivet according to claim 1 is characterized in that the wherein said neck section of being located on the outer sleeve is V-arrangement wide outside and narrow inside.