CN217814390U - Anti-drop rivet - Google Patents

Abstract

The utility model discloses an anti-drop rivet, including the riveting body, the riveting body runs through and sliding connection has the nail core, and the spacing cap one end welded connection that the riveting body was kept away from to the nail core has the nail core head, and the nail core head is equipped with the fracture recess with the hookup location of nail core, and the internal cell wall welded connection of riveting has the anticreep ring, and the one end outer arc wall welded connection that the near riveting body of nail core head has two relative anticreep pieces, and the slot has been seted up to the position of the relative anticreep piece of anticreep ring, and the anticreep ring has been seted up near one side inside groove of slot and has been prevented the run-off groove, the utility model has the advantages of it is following: through setting up the inner ring at the internal portion of rivet to set up fixed anticreep outer lug in the core nail head outside, be used for the anticreep cell body that the inner ring relative position was seted up through it, the anticreep piece is rotatory to enter into the anticreep inslot, realizes the anticreep effect of rivet.

Description

Anti-drop rivet

Technical Field

The utility model relates to a rivet technical field, concretely relates to anti-drop rivet.

Background

The rivet is a fixing piece for connecting two objects with holes, and after the rivet is inserted into a hole, the rivet core inside the rivet is lifted outwards by using a special lifting device, then the end of the rivet body of the rivet is extruded and expanded by the rivet core head, then the rivet core is separated from the rivet core head, and the two ends of the rivet are limited by the rivet cap and the rivet core head, so that the objects are fixed.

Present rivet is after long-term the use, and the risk that the core of a nail head appears corroding easily not hard up and drops takes place, and then causes the rivet to drop, and present rivet lacks anti-drop structure, can't provide a better fixed anticreep effect after the rivet is ageing, influences the fixed just production use of object.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-drop rivet for solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an anti-drop rivet, includes the rivet body, the rivet body runs through and sliding connection has the nail core, the spacing cap one end welded connection who the rivet body was kept away from to the nail core has the nail core head, the nail core head is equipped with the fracture recess with the hookup location of nail core, the internal cell wall welded connection of rivet has the anticreep ring, the nail core head is close to the one end outer arc wall welded connection of rivet body and has been connected two relative anticreep pieces, the slot has been seted up to the relative anticreep piece's of anticreep ring position, the anticreep ring has been close to one side inside groove of slot and has been seted up the anticreep groove.

As an optimal technical scheme of the utility model, two the anticreep groove is seted up in the clockwise inside groove that the anticreep ring is close to the slot.

As a preferred technical scheme of the utility model, the opposite both sides of anticreep piece outer wall all are equipped with the convex arc, the anticreep groove leans on interior and the position of relative convex arc to be equipped with the concave arc, the convex arc is connected with the concave arc joint.

As a preferred technical scheme of the utility model, the both sides wall that the relative anticreep groove of the rivet body leaned on interior one end runs through and is equipped with spacing hole, spacing hole runs through and the grafting is connected with the gag lever post, the gag lever post all runs through with anticreep piece and spike core head and pegs graft.

As a preferred technical scheme of the utility model, the position surface in the relative spacing hole in gag lever post both ends is equipped with the anticreep line.

The utility model discloses the beneficial effect who reaches is:

the rivet is characterized in that an inner ring is arranged in the rivet body, a fixed anti-falling outer lug is arranged on the outer side of the rivet core head, and an anti-falling groove body is formed in the relative position of the inner ring, so that the anti-falling block enters the anti-falling groove in a rotating manner, and the anti-falling effect of the rivet is realized; the rivet body, the anti-falling block and the rivet core head are connected in a penetrating and inserting mode through the limiting rod from the side face to limit, the anti-falling effect of the rivet is further improved, and the rivet is guaranteed to be used for a long time.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic view of the cross-sectional three-dimensional structure of the rivet body of the present invention;

FIG. 2 is a schematic front sectional view of the main body of the present invention;

FIG. 3 is a schematic perspective view of the stop lever of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural view of the utility model at B in fig. 2.

In the figure: 1. riveting a body; 2. a nail core; 3. nailing a core print; 4. the anti-drop ring; 5. an anti-drop block; 6. a slot; 7. a drop-proof groove; 8. a convex arc; 9. a concave arc; 10. a limiting hole; 11. a limiting rod; 12. and (4) preventing wrinkles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: as shown in fig. 1-5, the utility model relates to an anti-drop rivet, including the rivet body 1, rivet body 1 runs through and sliding connection has the mandrel 2, mandrel 2 keeps away from the spacing cap one end welded connection of rivet body 1 has mandrel head 3, mandrel head 3 is equipped with the fracture recess with mandrel 2's hookup location, 1 interior cell wall welded connection of rivet body has anticreep ring 4, mandrel head 3 is close to the one end outer arc wall welded connection of rivet body 1 and has two relative anticreep pieces 5, anticreep ring 4 has seted up slot 6 in the relative anticreep piece 5's of position, anticreep ring 4 has seted up anticreep groove 7 near one side inside groove of slot 6, mandrel head 3 slides in anticreep groove 7 through anticreep piece 5 and realizes its spacing anticreep, the risk that drops can not appear also after guaranteeing the rivet ageing.

Wherein, two anticreep grooves 7 are the clockwise and offer in anticreep 4 inside grooves of ring, and 5 opposite both sides of outer wall of anticreep piece and the relative inside groove in anticreep groove 7 are equipped with convex arc 8 and concave arc 9 respectively, and convex arc 8 is connected with concave arc 9 joint, through convex arc 8 and concave arc 9 cooperation joint, further promotes the stability of anticreep piece 5 in anticreep groove 7, prevents to take place not hard up.

Wherein, rivet body 1 runs through and is equipped with spacing hole 10 relative anticreep groove 7 both sides wall, and spacing hole 10 plug-in connection has gag lever post 11, and anticreep piece 5 and mandrel head 3 all are equipped with the through-hole and run through with gag lever post 11 and peg graft, and 11 both ends surfaces of gag lever post are equipped with anticreep line 12, at the anti-disengaging structure position of rivet gag lever post 11 of pegging graft, and the stable use of promotion rivet that can step forward guarantees the anticreep effect of rivet.

Specifically, the utility model discloses during the use, at first peg graft respectively from the both sides in object hole with rivet body 1 and peg core 2 and cup joint, later use pivoted promotion rifle pulling peg core 2, peg core 2 drives peg core head 3 this moment and struts its end to 1 inside groove removal of rivet body, it is spacing to realize the both ends of rivet, simultaneously this moment anticreep piece 5 pegs graft in anticreep ring 4's slot 6, later rotate peg core 2 and peg core head 3, anticreep piece 5 slides and enters into 7 inside grooves in anticreep groove this moment, simultaneously convex arc 8 and 9 lock joints of concave arc, later insert gag lever post 11 through spacing hole 10, gag lever post 11 and rivet body 1 this moment, 5 ends of anticreep piece and peg core head 3 run through the grafting, inner wall through anticreep line 12 and spacing hole 10 increases frictional force simultaneously, the problem that gag lever post 11 drops appears in the reduction, later can accomplish the installation of rivet with peg core 2 and peg core head 3 separation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an anti-drop rivet, includes the rivet body (1), rivet body (1) runs through and sliding connection has core (2), the spacing cap one end welded connection that rivet body (1) was kept away from in core (2) has core head (3), core head (3) are equipped with fracture recess, its characterized in that with the hookup location of core (2): the rivet is characterized in that an anti-falling ring (4) is welded on the inner wall of the rivet body (1), two opposite anti-falling blocks (5) are welded on the outer arc wall of one end, close to the rivet body (1), of the rivet core head (3), a slot (6) is formed in the position, opposite to the anti-falling blocks (5), of the anti-falling ring (4), and an anti-falling groove (7) is formed in an inner groove in one side, close to the slot (6), of the anti-falling ring (4).

2. A drop-proof rivet according to claim 1, characterized in that two drop-proof slots (7) are provided in the drop-proof ring (4) adjacent to the clockwise inner slot of the socket (6).

3. An anti-drop rivet according to claim 1, characterized in that the two opposite sides of the outer wall of the anti-drop block (5) are provided with convex arcs (8), the anti-drop groove (7) is provided with concave arcs (9) at the inner part and the positions opposite to the convex arcs (8), and the convex arcs (8) are connected with the concave arcs (9) in a clamping manner.

4. An anti-drop rivet according to claim 1, characterized in that two side walls of the rivet body (1) close to the inner end of the anti-drop groove (7) are provided with limiting holes (10) in a penetrating manner, the limiting holes (10) are connected with limiting rods (11) in a penetrating and inserting manner, and the limiting rods (11) are connected with the anti-drop block (5) and the mandrel head (3) in a penetrating and inserting manner.

5. An anti-drop rivet according to claim 4, characterized in that the surface of the position of the two ends of the limiting rod (11) opposite to the limiting hole (10) is provided with anti-drop lines (12).

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