CN212202768U

CN212202768U - Rivet fastener

Info

Publication number: CN212202768U
Application number: CN202020856012.5U
Authority: CN
Inventors: 张畅
Original assignee: Dianshan Technology Suzhou Co ltd
Current assignee: Dianshan Technology Suzhou Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-22
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a rivet fastener, including rivet fixed cover and card cap, rivet fixed cover is including rivet the gasket and rivet the cover, and rivet the gasket welding on rivet the tip outer edge of cover, the annular distribution of the equidistance of four sides of the other end outer wall of rivet cover has the back-off, one side inner wall that rivet the cover is close to the back-off is equipped with the wedge recess, and rivet the inner wall of cover and pass through wedge recess fixed connection on the outer wall of card cap, the inner wall that rivet fixed cover and card cap is hollow structure, and the inner wall middle part of rivet fixed cover and card cap is pegged graft and is had the rivet. The utility model discloses on traditional rivet fixing structure, utilize card cap and rivet to overlap between fixed joint, all form expanding structure with rivet expansion end and card cap end, form the equal expanding joint fixed knot in both sides and construct, stability is better, and eccentric platform structure in the card cap end utilizes, will block the cap and be equipped with eccentric structure with the junction of rivet cover, has the side direction extrusion when forming the joint structure, and is difficult not hard up.

Description

Rivet fastener

Technical Field

The utility model relates to a fastener technical field especially relates to a rivet fastener.

Background

The rivet pulling fastener and a traditional bolt generate different fastening force by utilizing torsion rotation, the rivet pulling fastener utilizes Hooke's law principle, a bolt rod is stretched and a lantern ring is pushed under the action of unidirectional tension by using special rivet pulling equipment, and the lantern ring with smooth inside is extruded to a screw rod groove to enable the lantern ring and the bolt to form 100% combination, so that permanent fastening force is generated.

The end part of an existing rivet is expanded and fixed through a loose core, but the stability is poor, when some rivet heads fix thick parts, the expansion end is long, and the effect of the rivet head is not favorable for fixation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rivet fastener.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rivet fastener, includes the fixed cover of riveting and card cap, the fixed cover of riveting includes rivet pad and rivet cover, and rivet pad welding is on rivet cover's tip outer wall, the annular distribution of the equidistance in four sides of rivet cover's other end outer wall has the back-off, one side inner wall that rivet cover is close to the back-off is equipped with the wedge recess, and rivet cover's inner wall passes through wedge recess fixed connection on the outer wall of card cap, the inner wall of the fixed cover of riveting and card cap is hollow structure, and pegs graft at the inner wall middle part of the fixed cover of riveting and card cap has the rivet, the rivet includes rivet stem and expansion rod, and the outer wall of expansion rod pegs graft on rivet fixed cover and the hollow inner wall of card cap, the tip body coupling of rivet stem is on the other end outer wall of expansion rod.

As a further proposal, the outer wall of the rivet pad is distributed with anti-slip raised bars close to the equidistant ring on one side of the rivet sleeve.

As a further proposal of the utility model, the inverted sheet is of a right triangle structure, and the middle part of the outer wall of the inverted sheet is of a wedge-shaped structure.

As a further scheme of the utility model, the card cap includes hexagonal seat and eccentric platform, and the inner wall middle part of hexagonal seat is equipped with the spliced eye, the bottom outer wall welding of eccentric platform is on one side outer wall that hexagonal seat is close to the spliced eye.

As a further proposal, the equidistant annular distribution of one side outer wall that the eccentric platform was kept away from to the hexagonal seat has the helicla flute, and the outer wall of hexagonal seat passes through the looks joint between the top of helicla flute and expansion link.

The utility model has the advantages that:

1. the rivet fastening piece is provided with a clamping cap and a rivet sleeve based on a traditional rivet fixing structure, the clamping cap and the rivet sleeve are fixedly clamped, the rivet expansion end and the clamping cap end form an expansion structure, a clamping and fixing structure with both sides expanded is formed, and the stability is better;

2. this rivet fastener still utilizes interior eccentric platform structure at card cap end, will block the cap and be equipped with eccentric structure with the junction of rivet cover, has the side direction extrusion when forming joint structure, and the fall piece on the rivet cover is gone up in the cooperation, can stably fix on the fixture, is difficult not hard up.

Drawings

Fig. 1 is a schematic view of an installation structure of a rivet fastener provided by the present invention;

fig. 2 is a schematic top view of a fastening cap of a rivet fastener according to the present invention;

fig. 3 is the utility model provides a structural schematic diagram is looked to rivet sleeve side of rivet fastener.

In the figure: the riveting device comprises a riveting gasket 1, a riveting sleeve 2, a 3-piece, a 4-clamp cap, a 5-rivet rod, a 6-expansion rod, a 7-eccentric table, a 8-hexagonal seat, a 9-inserting hole and a 10-antiskid convex strip.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a rivet fastening piece comprises a rivet fixing sleeve and a clamping cap 4, the rivet fixing sleeve comprises a rivet gasket 1 and a rivet sleeve 2, the rivet gasket 1 is welded on the outer edge of the end part of the rivet sleeve 2, four sides of the outer wall of the other end of the rivet sleeve 2 are distributed with inverted sheets 3 in an annular mode at equal intervals, the inner wall of one side, close to the inverted sheets 3, of the rivet sleeve 2 is provided with wedge-shaped grooves, the inner wall of the rivet sleeve 2 is fixedly connected to the outer wall of the clamping cap 4 through the wedge-shaped grooves, the inner walls of the rivet fixing sleeve and the clamping cap 4 are both of a hollow structure, rivets are inserted in the middle parts of the inner walls of the rivet fixing sleeve and the clamping cap 4, each rivet comprises a rivet rod 5 and an expansion rod 6, the outer wall of the expansion rod 6 is inserted in the hollow inner walls of the rivet fixing sleeve and the clamping cap 4, the end part of the rivet rod 5 is integrally connected to the outer wall of the other end part, the fillet 3 is the right angled triangle structure, and the outer wall middle part of fillet 3 is the wedge structure, card cap 4 includes hexagonal seat 8 and eccentric platform 7, and the inner wall middle part of hexagonal seat 8 is equipped with spliced eye 9, the bottom outer wall welding of eccentric platform 7 is on one side outer wall that hexagonal seat 8 is close to spliced eye 9, one side outer wall equidistance annular distribution that eccentric platform 7 was kept away from to hexagonal seat 8 has the helicla flute, and the outer wall of hexagonal seat 8 passes through the looks joint between the top of helicla flute and expansion link 6.

The working principle is as follows: this rivet fastener is when using, open the through-hole on the fixture, the through-hole both sides are fixed with rivet sleeve 2 and card cap 4, utilize gasket regulation hole depth and rivet sleeve 2 and card cap 4 between the cooperation interval, the rivet inserts from calorie cap 4 end, after loosing core, rivet inflation end is fixed on rivet spacer 1's outer wall, the opposite side will block in cap 4 joint goes into rivet sleeve 2, the junction that will block cap 4 and rivet sleeve 2 is equipped with eccentric structure, there is the side direction extrusion when forming the joint structure, pull the back-off 3 on the rivet sleeve 2 on the cooperation, can stably fix on the fixture, all form the expanded structure with rivet inflation end and card cap 4 end, form the equal expansion joint fixed knot structure in both sides, stability is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rivet fastener comprises a rivet fixing sleeve and a clamping cap (4), and is characterized in that the rivet fixing sleeve comprises a rivet gasket (1) and a rivet sleeve (2), the rivet gasket (1) is welded on the outer edge of the end part of the rivet sleeve (2), four sides of the outer wall of the other end of the rivet sleeve (2) are provided with inverted sheets (3) in an annular distribution mode at equal intervals, the inner wall of one side, close to the inverted sheets (3), of the rivet sleeve (2) is provided with a wedge-shaped groove, the inner wall of the rivet sleeve (2) is fixedly connected to the outer wall of the clamping cap (4) through the wedge-shaped groove, the inner walls of the rivet fixing sleeve and the clamping cap (4) are both of a hollow structure, rivets are inserted in the middle parts of the inner walls of the rivet fixing sleeve and the clamping cap (4), each rivet comprises a rivet rod (5) and an expansion rod (6), and the outer wall of each expansion rod (6) is inserted on the hollow inner walls of the rivet fixing sleeve, the end part of the rivet rod (5) is integrally connected to the outer wall of the other end of the expansion rod (6).

2. A blind rivet fastener according to claim 1, characterized in that the outer wall of the blind rivet pad (1) is provided with anti-slip raised strips (10) annularly distributed at equal intervals on one side close to the blind rivet sleeve (2).

3. A blind rivet fastener according to claim 1, characterized in that the inverted piece (3) is of a right-angled triangular structure, and the middle part of the outer wall of the inverted piece (3) is of a wedge-shaped structure.

4. A rivet fastener according to claim 1, characterized in that the clamping cap (4) comprises a hexagonal base (8) and an eccentric table (7), the middle part of the inner wall of the hexagonal base (8) is provided with an inserting hole (9), and the outer wall of the bottom end of the eccentric table (7) is welded on the outer wall of one side of the hexagonal base (8) close to the inserting hole (9).

5. A rivet fastener according to claim 4, characterized in that the outer wall of the hexagonal seat (8) on the side away from the eccentric table (7) is annularly distributed with spiral grooves at equal intervals, and the outer wall of the hexagonal seat (8) is clamped with the top end of the expansion rod (6) through the spiral grooves.