CN208294908U - A kind of antiseep rivet - Google Patents

Abstract

A kind of antiseep rivet, including riveting shell, riveting shell cap and blind rivet, the riveting shell and riveting shell cap are monolithic construction, the two constitutes sleeve shaped riveting shell, the blind rivet includes sequentially connected ailhead, follow closely neck, follow closely body, follow closely tail, the ailhead, it follows closely neck and nail body constitutes two-stage boss, nail tail is screw rod, through-hole inside the ailhead and nail neck and riveting shell is interference fitted, the rivet is mounted in the riveted holes of riveting object, blind rivet in the utility model is under the stretching action of pressure pulling rivet machine, make blind rivet and riveting hull shape at 100% tight combination, generate permanent fastening, final realize has high shearing, high-tensile strength, against shock, the rivet of leakproof.

Description

A kind of antiseep rivet

Technical field

The utility model relates to fastener areas, and in particular to a kind of antiseep rivet.

Background technique

With the rapid development of China's industry, it is badly in need of antiseep rivet currently on the market, for example vehicle water tank, roof are prevented Water, outdoor air-conditioner waterproof etc., most of rivet be that riveting acts on both at home and abroad at present, without anti-leakage function, and city The structure of some antiseep rivets is often complex on face, high production cost, and persistence and environmental suitability are poor, therefore In order to ensure non-leakage to liquefied gas after the completion of rivet, a kind of novel anti-leakage rivet is a problem to be solved.

Summary of the invention

To solve the above problems, the utility model provides a kind of leakproof rivet, high shearing, height can be realized to riveting position Pulling force, against shock, drip-preventing function.

1. a kind of antiseep rivet, including riveting shell, riveting shell cap and blind rivet, the riveting shell and riveting shell cap are monoblock type knot Structure, the two constitute sleeve shaped riveting shell, and the blind rivet includes sequentially connected ailhead, nail neck, nail body, nail tail, the ailhead, nail neck Two-stage boss is constituted with nail body, nail tail is screw rod, and the through-hole inside the ailhead and nail neck and riveting shell is interference fitted, the rivet It is mounted in the riveted holes of riveting object.

As the further preferred of the utility model, the ailhead side forms arc along perpendicular to axis direction outwardly convex Shape bottle cap type structure, the nail neck is plug type structure, is equipped with multiple ring-shaped grooves with the nail, between two ring-shaped grooves Annular protrusion is in dentalation.

As the further preferred of the utility model, the nail neck diameter is greater than nail body diameter, and the ailhead diameter is greater than Follow closely neck diameter.

As the further preferred of the utility model, the ring-shaped groove depth opened up with the nail is nail body diameter 5%-10%。

As the further preferred of the utility model, the nail neck is equipped with chamfering with one end that body is connect is followed closely.

The utility model has the beneficial effects that the utility model passes through pressure pulling rivet machine compared with the vehicle rivet of the prior art Under the action of unidirectional pulling force, riveting shell and riveting plate hole are generated into interference fit and compress closed, riveting shell pushes away under force It squeezes riveting shell and compresses riveted plating until riveting shell plays drum, while external force is applied to riveting shell cap, make inside riveting shell cap with circular ring shape Protrusion tube wall be expressed in the groove of the blind rivet with a plurality of annular ditch groove, make blind rivet and riveting hull shape at 100% tight knot It closes, generates permanent fastening, final realize has high shearing, high-tensile strength, against shock, antiseep rivet.

Detailed description of the invention

Fig. 1 is the riveting shell structure schematic diagram before improving；

Fig. 2 is the blind rivet structural schematic diagram before improving；

Fig. 3 is the assembling schematic diagram of riveting shell and blind rivet before improving；

Fig. 4 is improved riveting shell structure schematic diagram；

Fig. 5 is improved blind rivet structural schematic diagram；

Fig. 6 is the assembling schematic diagram of improved riveting shell and blind rivet；

Fig. 7 is status diagram after improved staking；

1- follows closely body, 2- ailhead, and 3- follows closely body, and 4- follows closely tail, and 5- rivets object, 6- ring-shaped groove, 7- riveting shell, 8- riveting shell cap.

Specific embodiment

Technical solution provided by the utility model is described in detail below with reference to specific embodiment, it should be understood that following Specific embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Under it should be noted that Word "front", "rear" used in the description of face, "left", "right", "up" and "down" refer to the direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.

As shown in Figure 1-3, a kind of antiseep rivet of the present embodiment, including riveting shell 7, riveting shell cap 8 and blind rivet, the blind rivet It is connected together by way of interference fit with riveting shell, the magnitude of interference between the blind rivet and riveting shell is 0.1-0.2mm, riveting shell 7 and riveting shell cap 8 be monolithic construction, the two constitutes sleeve shaped riveting shell, and the material of the riveting shell is aluminium, which includes being sequentially connected Ailhead 1, nail neck 2, nail body 3, nail tail 4, in the present embodiment, ailhead 1, nail neck 2 and follow closely the center line of body 3 and coincide, follow closely tail For screw rod, when blind rivet staking, the sliding between blind rivet and riveting gun working position, more conducively the staking effect of blind rivet are prevented.

In the present embodiment, the side of ailhead 1 forms arcuation bottle cap type structure along perpendicular to axis direction outwardly convex, follows closely neck 2 be plug type structure, and ailhead 1, nail neck 2 and nail body 3 constitute two-stage boss structure, and nail neck 2 and nail body 3 constitute first order boss, It follows closely 2 diameter of neck and is greater than nail 3 diameter of body, ailhead 1 and nail neck 2 constitute second level boss, and 1 diameter of ailhead is greater than nail 2 diameter of body, two-stage Projective table type structure design, so that blind rivet is the process of a gradual change to the expansion of riveting shell wall during staking, keeps staking more suitable Benefit guarantees that blind rivet head does not leak out outside fabrication hole to preferably make blind rivet match with the fabrication hole for riveting object, in nail neck The one end connecting with nail body is additionally provided with chamfering.

When pulling rivet blind rivet to be mounted on to the fabrication hole of riveting nothing, first blind rivet is mounted in the through-hole of riveting shell, then Blind rivet blind rivet is stretched by tool, blind rivet head pushes riveting shell under force and compresses riveted plating until riveting shell plays drum, Rear blind rivet tail portion (screw rod) is installed to break, it is final to realize leakproof rivet.

As the modified of the present embodiment, as shown in figs. 4-7, the size of the riveting shell cap 8 accounts for the ratio of riveting shell size more Greatly, 8 outer wall of riveting shell cap is parallel with riveting columella line, and nail body 3 is equipped with several ring-shaped grooves 6, and the annular between two ring-shaped grooves Protrusion is in dentalation, and after the completion of staking, for riveting shell cap under the extruding of external force, the tube wall of riveting shell is expressed to the ring-shaped groove It is interior, make blind rivet and riveting hull shape at 100% tight combination, the ring-shaped groove 6 and pawl shape annular protrusion being capable of effective locking nails Core and riveting shell, improve the shock resistance of rivet, in general, in order to reach good antiseep effect, the ring opened up with the nail 6 depth of shape groove is to follow closely the 5%-10% of the diameter of body 3.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the above embodiments do not limit the invention in any form, it is all to be obtained by the way of equivalent substitution or equivalent transformation The technical solution obtained, falls within the scope of protection of the present invention.

Claims (5)

1. a kind of antiseep rivet, which is characterized in that including riveting shell, riveting shell cap and blind rivet, the riveting shell and riveting shell cap are Monolithic construction, the two constitute sleeve shaped riveting shell, and the blind rivet includes sequentially connected ailhead, nail neck, nail body, follows closely tail, described Ailhead, nail neck and nail body constitute two-stage boss, and nail tail is screw rod, and the ailhead and nail neck are matched with the through-hole interference inside riveting shell It closes, the rivet is mounted in the riveted holes of riveting object.

2. a kind of antiseep rivet according to claim 1, which is characterized in that the ailhead side is along perpendicular to axis side Arcuation bottle cap type structure is formed to outwardly convex, the nail neck is plug type structure, is equipped with multiple ring-shaped grooves with the nail, Annular protrusion between two ring-shaped grooves is in dentalation.

3. a kind of antiseep rivet according to claim 1, which is characterized in that the nail neck diameter is greater than nail body diameter, The ailhead diameter is greater than nail neck diameter.

4. a kind of antiseep rivet according to claim 2, which is characterized in that the annular ditch groove depth opened up with the nail Degree is the 5%-10% of nail body diameter.

5. a kind of antiseep rivet according to claim 1, which is characterized in that the nail neck is set with one end that body is connect is followed closely There is chamfering.