CN215293168U

CN215293168U - High-strength anti-loose self-plugging rivet

Info

Publication number: CN215293168U
Application number: CN202120734079.6U
Authority: CN
Inventors: 陈家栋; 戴国华
Original assignee: Wuxi Ruibeite Fastening System Co ltd
Current assignee: Wuxi Ruibeite Fastening System Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-24
Anticipated expiration: 2031-04-12

Abstract

The utility model relates to the technical field of self-plugging rivets, and discloses a high-strength anti-loose self-plugging rivet, which comprises a rivet core and a fastening mechanism, the fastening mechanism comprises a nail body, a nail head, a curved block, a first fastening sleeve and a second fastening sleeve, the right end of the nail core sequentially penetrates through the left side of the rivet edge and the left side of the nail body and extends to the right side of the nail body to be fixedly connected with the left side of the nail head, the fracture groove is arranged on the nail core, so that the nail core is convenient to fracture under the action of tensile force, set up the deformation groove through the surface at the nail body, be convenient for make bent type piece slowly sunken, first adapter sleeve is because of receiving the extrusion to take place to warp and outwards form the swell, and the final nail body warp, along with the swell is bigger and bigger, and the pretightning force that the rivet acted on the mounting panel also can bigger and bigger effect, through setting up first external screw thread, second external screw thread, plays the effect of supporting tightly.

Description

High-strength anti-loose self-plugging rivet

Technical Field

The utility model relates to a self-plugging rivet technical field specifically is a locking type self-plugging rivet of high strength.

Background

The self-plugging rivet is a rivet for single-side riveting, and needs to be riveted by using a special tool, namely a hand riveter (manual, electric and pneumatic). When riveting, the rivet core of the self-plugging rivet is pulled by a special riveter to expand the rivet body, thereby achieving the riveting effect. The rivet is particularly suitable for riveting occasions where common rivets (which need to be riveted from two sides) are inconvenient to adopt, so that the rivet is widely applied to products such as buildings, automobiles, ships, airplanes, machines, electric appliances, IT, furniture and the like.

However, when the blind rivet is used by a worker, the phenomenon that the blind rivet is loosened and not fastened after the blind rivet is used is reflected by the worker. There is a need for a high strength, anti-loosening blind rivet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking type self-plugging rivet of high strength reaches convenient to use's purpose.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength anti-loose type self-plugging rivet, includes nail core and fastening device, fastening device is including the nail body, pin fin, bent type piece, first adapter sleeve and second adapter sleeve, the right-hand member of nail core runs through the left side on riveting edge, the left side of the nail body in proper order and extends to the right side of the nail body and the left side fixed connection of pin fin.

Preferably, the right end of the rivet core is in sliding connection with the inner wall of a through hole formed in the left side of the through rivet edge, and the right side of the rivet edge is fixedly connected with the left side of the rivet body.

Preferably, the right end of the nail core is in sliding connection with the inner wall of a through hole formed in the left side of the nail body.

Preferably, the deformation groove has been seted up to the nail body, first external screw thread has been seted up to the left side outer wall of the nail body, the second external screw thread has been seted up to the right side outer wall of the nail body, through setting up the deformation groove, is convenient for warp, through setting up first external screw thread and second external screw thread, has reached the effect that plays the screw-thread fastening when using.

Preferably, the outer wall of the nail core is provided with a ring pulling groove and a fracture groove, the rivet gun with the rivet pulling function can be conveniently clamped by the ring pulling groove, the fracture groove is formed, the nail core can be conveniently fractured by pulling force, and fastening connection is completed.

Preferably, the left inner wall of the nail body is fixedly connected with the outer wall of the first fastening sleeve, a first internal thread A is arranged on the inner wall of the first fastening sleeve, a first external thread A matched with the first internal thread A is arranged on the outer wall of the nail core, the first internal thread A is in threaded connection with the first external thread A, and the right inner wall of the nail body is fixedly connected with the outer wall of the second fastening sleeve.

Preferably, the top of the nail core is fixedly connected with the bottom of the curved block, the left side of the curved block is in contact with the right side of the first fastening sleeve, and the right side of the curved block is in contact with the left side of the second fastening sleeve.

The utility model provides a locking type self-plugging rivet of high strength. The method has the following beneficial effects:

(1) the utility model discloses a set up the rupture groove on the nail core, the nail core of being convenient for receives the pulling force and splits, sets up the deformation groove through the surface at the nail body, is convenient for make curved type piece slowly sunken, and first adapter sleeve outwards forms the swell because of receiving the extrusion to take place to warp, and finally the nail body warp, and along with the swell is bigger and bigger, the rivet acts on the effect that the pretightning force on the mounting panel also can be bigger and bigger, through setting up first external screw thread, second external screw thread, plays to tight effect.

(2) The utility model discloses a set up first adapter sleeve, first internal thread A, first external screw thread A, second adapter sleeve, play along with the rotation of nail core, because first internal thread A, first external screw thread A threaded connection, move and carry out the extrusion to the internal portion of nail when the pin fin left direction to accomplish the effect of installation.

Drawings

FIG. 1 is a perspective view of the nail core of the present invention;

FIG. 2 is a front view of the core of the present invention;

FIG. 3 is a schematic view of the structure of the nail core of the present invention;

FIG. 4 is a schematic view of a first fastening sleeve structure of the present invention;

fig. 5 is a schematic view of a second fastening sleeve structure of the present invention.

In the figure: the riveting tool comprises a 1 nail core, a 2 rivet edge, a 3 fastening mechanism, a 301 nail body, a 302 nail head, a 303 deformation groove, a 304 first external thread, a 305 second external thread, a 306 pull ring groove, a 307 fracture groove, a 308 curved block, a 309 first fastening sleeve, a 310 first internal thread A, a 311 first external thread A, a 312 second fastening sleeve, 313 second internal thread A, 314 second external thread A, a 5 first plate block and a 6 second plate block.

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.

Examples of which are illustrated in the accompanying drawings, wherein like 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-5, the utility model provides a technical solution: a high-strength anti-loose blind rivet comprises a rivet core 1 and a fastening mechanism 3, wherein the fastening mechanism 3 comprises a rivet body 301, a rivet head 302, a deformation groove 303, a first external thread 304, a second external thread 305, a pull ring groove 306, a fracture groove 307, a curved block 308, a first fastening sleeve 309, a first internal thread A310, a first external thread A311 and a second fastening sleeve 312, the right end of the rivet core 1 sequentially penetrates through the left side of a rivet edge 2, the left side of the rivet body 301 and extends to the right side of the rivet body 301 to be fixedly connected with the left side of the rivet head 302, the right end of the rivet core 1 is slidably connected with the inner wall of a through hole formed through the left side of the rivet edge 2, the right side of the rivet edge 2 is fixedly connected with the left side of the rivet body 301, the right end of the rivet core 1 is slidably connected with the inner wall of the through hole formed through the left side of the rivet body 301, the rivet body 301 is provided with the deformation groove 303, the left outer wall of the rivet body 301 is provided with the first external thread 304, the right outer wall of the rivet body 301 is provided with the second external thread 305, the outer wall of the nail core 1 is provided with a pulling ring groove 306 and a breaking groove 307, the nail core 1 is conveniently broken by pulling force by arranging the breaking groove 307 on the nail core 1, the deformation groove 303 is arranged on the outer surface of the nail body 301 so as to facilitate the slow sinking of the curved block 308, the first fastening sleeve 309 deforms due to extrusion and outwards forms a bulge, finally the nail body 301 deforms, the pretightening force of the rivet on the mounting plate can be increased along with the increase of the bulge, the effect of resisting is achieved by arranging the first external thread 304 and the second external thread 305, the left inner wall of the nail body 301 is fixedly connected with the outer wall of the first fastening sleeve 309, the inner wall of the first fastening sleeve 309 is provided with a first internal thread A310, the outer wall of the nail core 1 is provided with a first external thread A311 matched with the first internal thread A310, and the first internal thread A310 is in threaded connection with the first external thread A311, the right side inner wall of the nail body 301 and the outer wall fixed connection of second adapter sleeve 312, the top of nail core 1 and the bottom fixed connection of bent type piece 308, the left side of bent type piece 308 and the right side contact of first adapter sleeve 309, the right side of bent type piece 308 and the left side contact of second adapter sleeve 312, through setting up first adapter sleeve 309, first internal thread A310, first external screw thread A311, second adapter sleeve 312, play the rotation along with nail core 1, because first internal thread A310, first external screw thread A311 threaded connection, remove and to nail body 301 inside the effect of carrying out the extrusion when pin head 302 left direction, thereby accomplish the effect of installation.

When the self-plugging rivet is used, firstly, the assembled self-plugging rivet is inserted into a riveting hole of an element to be riveted, the head of the nail body 301 is enabled to be abutted against an orifice of the riveting hole of the element to be riveted, a rivet gun head is used for clamping the nail core 1 through the pull ring groove 306, and meanwhile, the self-plugging rivet is abutted against the mounting plate through the first external thread 304 and the second external thread 305 formed on the outer surface of the nail body 301 by using a rivet gun; when a riveter trigger is pressed, the riveter starts to work, a chuck in the interior of the riveter head can drive the nail core 1 to rotate at a certain speed, and the nail body 301 cannot rotate; on one hand, the left inner wall of the nail body 301 is fixedly connected with the outer wall of the first fastening sleeve 309, and on the other hand, the first internal thread A310 is in threaded connection with the first external thread A311, so that the nail head 302 moves leftwards and performs a squeezing action towards the inside of the nail body 301 along with the rotation of the nail core 1; under the effect of the extrusion force, the second fastening sleeve 312 deforms, a bulge is slowly formed, at this time, the deformation groove 303 and the curved block 308 are enabled to be slowly recessed, the first fastening sleeve 309 deforms due to extrusion, the bulge is outwards formed, finally, the nail body 301 deforms, the pretightening force of the rivet acting on the mounting plate is increased along with the increase of the bulge, when the bulge reaches a limit value, the nail body 301 cannot deform, at the moment, the first internal thread A310 and the first external thread A311 are damaged, the nail core 1 cannot rotate any more, the rivet can only break from the breaking groove 307 formed in the nail core 1 under the torsion effect of the chuck of the riveter, and therefore the whole mounting process is completed.

In summary, the breaking groove 307 is formed in the nail core 1, so that the nail core 1 is broken by tensile force, the deformation groove 303 is formed in the outer surface of the nail body 301, so that the curved block 308 is caused to slowly recess, the first fastening sleeve 309 deforms outwards due to extrusion to form a bulge, finally the nail body 301 deforms, the pretightening force of the rivet on the mounting plate is increased along with the increase of the bulge, and the effect of resisting the bulge is achieved by the arrangement of the first external thread 304 and the second external thread 305.

Through setting up first adapter sleeve 309, first internal thread A310, first external screw thread A311, second adapter sleeve 312, play along with the rotation of nail core 1, because first internal thread A310, first external screw thread A311 threaded connection, remove and carry out the extrusion to nail body 301 inside when pin fin 302 left direction to accomplish the effect of installation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high strength anti-loose type self-plugging rivet, includes nail core (1) and fastening device (3), its characterized in that: the fastening mechanism (3) comprises a nail body (301), a nail head (302), a curved block (308), a first fastening sleeve (309) and a second fastening sleeve (312), wherein the right end of the nail core (1) sequentially penetrates through the left side of the rivet edge (2), the left side of the nail body (301) and extends to the right side of the nail body (301) to be fixedly connected with the left side of the nail head (302).

2. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the right end of the rivet core (1) is in sliding connection with the inner wall of a through hole formed in the left side of the penetrating rivet edge (2), and the right side of the rivet edge (2) is fixedly connected with the left side of the rivet body (301).

3. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the right end of the nail core (1) is in sliding connection with the inner wall of a through hole formed in the left side of the nail body (301).

4. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the nail body (301) is provided with a deformation groove (303), the outer wall of the left side of the nail body (301) is provided with a first external thread (304), and the outer wall of the right side of the nail body (301) is provided with a second external thread (305).

5. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the outer wall of the nail core (1) is provided with a ring pulling groove (306) and a breaking groove (307).

6. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the utility model discloses a nail, including the nail body (301), the left side inner wall of nail body and the outer wall fixed connection of first adapter sleeve (309), first internal thread A (310) have been seted up to the inner wall of first adapter sleeve (309), the outer wall of nail core (1) is seted up with first external screw thread A (311) of first internal thread A (310) looks adaptation, first internal thread A (310) and first external screw thread A (311) threaded connection, the right side inner wall of nail body (301) and the outer wall fixed connection of second adapter sleeve (312).

7. A high-strength loose-proof blind rivet according to claim 1, characterized in that: the top of the nail core (1) is fixedly connected with the bottom of the curved block (308), the left side of the curved block (308) is in contact with the right side of the first fastening sleeve (309), and the right side of the curved block (308) is in contact with the left side of the second fastening sleeve (312).