CN210050168U

CN210050168U - Open type self-plugging rivet

Info

Publication number: CN210050168U
Application number: CN201920391113.7U
Authority: CN
Inventors: 高和平; 秦昆; 胡淑敏; 王明友
Original assignee: Shanghai Rivet Rivet Manufacturing Co Ltd
Current assignee: Shanghai Rivet Rivet Manufacturing Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-11
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses an opening type self-plugging rivet, including rivet nail core and rivet body, the one end welding of rivet body has the rivet end cap, and imbeds on the rivet body and be connected with the rivet nail core, the top integral type shaping of rivet nail core has the rivet expansion head, the top central point department of putting of rivet expansion head has connecting screw through connecting the detachable embedding screw connection of screw. The utility model discloses in, this opening type self-plugging rivet has connecting stud through at rivet end cap top screwed connection, and sliding connection has the cover frame of restrainting on the connecting stud simultaneously, can adjust the cover frame of restrainting through adjusting nut, thereby make the cover frame of restrainting to tighten up rivet body open-top when riveting, take off connecting stud after the completion of restrainting, thereby make rivet body open-top to tighten up the laminating on the rivet inflation is overhead, make more fastening stable when this opening type self-plugging rivet rivets riveting, strengthen this opening type self-plugging rivet's practicality.

Description

Open type self-plugging rivet

Technical Field

The utility model relates to a self-plugging rivet technical field especially relates to an opening type self-plugging rivet.

Background

After the open type self-plugging rivet is pulled and riveted, the rivet body expands and bulges, so that the rivet end cap is matched to play a riveting role, the open type self-plugging rivet has two types, one type is the flat-head open type self-plugging rivet, and the other type is the countersunk head open type self-plugging rivet, wherein the flat-head open type self-plugging rivet is most widely applied, and the countersunk head open type self-plugging rivet is suitable for riveting occasions with smooth surfaces.

When open type self-plugging rivet on the existing market is used, the rivet body has a larger opening under the effect of the rivet expansion head, but the opening generated by riveting the rivet body is really restricted, when the rivet expansion head is fixed, the stability of the rivet expansion head is poor, the riveting effect is easy to realize, and the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an open type self-plugging rivet.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an opening type self-plugging rivet, includes rivet mandrel and rivet body, the one end welding of rivet body has the rivet end cap, and the embedding is connected with the rivet mandrel on the rivet body, the top integral type shaping of rivet mandrel has the rivet inflation head, the top central point department of putting of rivet inflation head has connecting screw through the detachable threaded connection of connecting screw, sliding sleeve has been cup jointed on the connecting screw, and sliding sleeve's outside welding has the cover frame of restrainting.

The following steps are further described as the technical scheme:

the bundling sleeve frame is of an inverted bowl-shaped structure, and the diameter of an opening of the bundling sleeve frame is larger than that of the rivet expansion head.

As a further description of the above technical solution:

and an adjusting nut is spirally sleeved above the sliding sleeve on the connecting stud, and the outer diameter of the adjusting nut is larger than that of the sliding sleeve.

As a further description of the above technical solution:

the outside top welding of rivet nail core has the locking sand grip, and the welding of locking sand grip has four altogether, and four locking sand grips are about angular distribution such as rivet nail core moreover.

As a further description of the above technical solution:

the bottom of the locking convex strip on the rivet core is provided with a fracture annular groove, and the bottom of the outer side of the rivet core is provided with a connecting thread.

As a further description of the above technical solution:

the rivet body is of a hollow cylindrical structure, and four strip-shaped locking grooves are formed in the inner wall of the rivet body at equal angles.

As a further description of the above technical solution:

the four bar-shaped locking grooves are semi-cylindrical bar-shaped grooves, the positions of the four locking grooves correspond to the positions of the four locking convex strips one by one, and the diameter of each bar-shaped locking groove is smaller than that of each locking convex strip.

As a further description of the above technical solution:

and a riveting gasket is spirally sleeved on the outer side of the rivet end cap.

As a further description of the above technical solution:

and a connecting thread matched with the riveting gasket for use is arranged on the outer shell of the rivet end cap.

As a further description of the above technical solution:

the riveting gasket is of a disc-shaped structure with a circle center through hole in the center, and the diameter of the center through hole of the riveting gasket is equal to that of the rivet end cap.

Advantageous effects

The utility model provides an opening type self-plugging rivet. The method has the following beneficial effects:

(1): this opening type self-plugging rivet has connecting stud through at rivet end cap top threaded connection, sliding connection has the cover frame of restrainting on the connecting stud simultaneously, can adjust the cover frame of restrainting through adjusting nut, thereby make the cover frame of restrainting tighten up rivet body open-top when riveting, take off connecting stud after the completion of restrainting, thereby make rivet body open-top tighten up the laminating on rivet inflation head, make more fastening stable when this opening type self-plugging rivet rivets riveting, reinforcing this opening type self-plugging rivet's practicality.

(2): this opening type self-plugging rivet is through being equipped with the locking sand grip in the rivet mandrel outside, and begins to have bar locking groove in rivet body inboard, when riveting rivet body, the locking sand grip can be embedded into bar locking groove to make rivet body and rivet mandrel relatively fixed locking, reinforcing rivet inflation head fixed stability improves this opening type self-plugging rivet's riveting effect.

(3): this opening type self-plugging rivet has the riveting gasket through at rivet end cap outside threaded connection, when riveting some work pieces that hardness is lower, can be with riveting gasket threaded connection on rivet end cap to increase the area of contact between rivet end cap and the work piece, the too big work piece surface deformation that leads to of pressure when preventing to rivet improves riveted quality.

Drawings

FIG. 1 is a schematic view of the overall structure of an open type blind rivet according to the present invention;

FIG. 2 is a schematic view of the assembly structure of the present invention;

FIG. 3 is a schematic view of the overall internal structure of the present invention;

fig. 4 is a schematic structural view of the rivet body of the present invention.

Illustration of the drawings:

1. a rivet core; 2. a rivet end cap; 3. a rivet body; 4. a rivet expansion head; 5. a connecting screw hole; 6. connecting a stud; 61. a sliding sleeve; 62. a bundling sleeve frame; 63. adjusting the nut; 7. locking the convex strips; 8. breaking the annular groove; 9. connecting the thread; 10. a strip-shaped locking groove; 11. connecting threads; 12. and riveting the gasket.

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.

Embodiment one, referring to fig. 1-2, an open type blind rivet comprises a rivet core 1 and a rivet body 3, wherein a rivet end cap 2 is welded at one end of the rivet body 3, the rivet core 1 is embedded and connected to the rivet body 3, a rivet expansion head 4 is integrally formed at the top end of the rivet core 1, a connection stud 6 is detachably and spirally connected to the top center position of the rivet expansion head 4 through a connection screw hole 5, when the blind rivet is not needed to be used, the connection stud 6 can be spirally disassembled so as to be reused, the blind rivet is more convenient to use, a sliding sleeve 61 is slidably sleeved on the connection stud 6, a bundling sleeve frame 62 is welded on the outer side of the sliding sleeve 61, the bundling sleeve frame 62 is in an inverted bowl-shaped structure, the opening diameter of the bundling sleeve frame 62 is larger than that of the rivet expansion head 4, an adjusting nut 63 is spirally sleeved on the connection stud 6 above the sliding sleeve 61, and the external diameter of adjusting nut 63 is greater than the external diameter of sliding sleeve 61, can turn to the regulation to adjusting nut 63 spiral to drive sliding sleeve 61 through adjusting nut 63 and carry out the slip regulation, then act on and restraint the top opening of set frame 62 to rivet body 3 and restraint.

In the second embodiment, referring to fig. 3-4, four locking convex strips 7 are welded on the top of the outer side of the rivet core 1, and the four locking convex strips 7 are distributed at equal angles with respect to the rivet core 1, a fracture ring groove 8 is formed in the bottom of the locking convex strip 7 on the rivet core 1, a connecting filing wire 9 is arranged at the bottom of the outer side of the rivet core 1, the rivet body 3 is of a hollow cylindrical structure, four strip-shaped locking grooves 10 are formed in the inner wall of the rivet body 3 at equal angles, the four strip-shaped locking grooves 10 are semi-cylindrical strip-shaped grooves, the strip-shaped locking grooves 10 of the semi-circular strip-shaped groove structure facilitate expansion of the rivet body 3, and simultaneously prevent the rivet body 3 from cracking, the positions of the four strip-shaped locking grooves 10 correspond to the positions of, so when riveting, four locking sand grips 7 can be embedded into four bar locking grooves 10, and can expand four bar locking grooves 10, then carry out interlock locking to four locking sand grips 7 through four bar locking grooves 10.

Third embodiment, referring to fig. 4, the outside spiral shell of rivet end cap 2 has connect riveting gasket 12, set up on the outside casing of rivet end cap 2 and cooperate and connect connecting thread 11 that riveting gasket 12 used, thereby can be through connecting thread 11 with riveting gasket 12 spiral shell coupling on rivet end cap 2, connect the back, riveting gasket 12 top horizontal direction and rivet end cap 2's top are located same horizontal plane, riveting gasket 12 has the discoid structure of centre of a circle through-hole for the center, and riveting gasket 12's central through-hole diameter equals with rivet end cap 2's diameter.

The working principle is as follows: when riveting, at first connect the one end of rivet stem 1 on the riveter, then drive rivet stem 1 through the riveter and remove, rivet stem 1 acts on rivet body 3 through rivet inflation head 4, rivet body 3 begins the inflation at the effect of rivet inflation head 4 down body, then cooperation rivet end cap 2 carries out the riveting fixed to the work piece, after the riveting fixed completion, can cooperate sliding sleeve 61 to restraint set frame 62 through adjusting nut 63 and adjust, thereby make and restraint 3 top openings of rivet body when set frame 62 is to the riveting and restraint, make 3 top openings of rivet body contract and restraint the laminating on rivet inflation head 4, make the fastening more stable when this opening type self-plugging rivet rivets the riveting.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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. The utility model provides an opening type self-plugging rivet, includes rivet mandrel (1) and rivet body (3), its characterized in that, the one end welding of rivet body (3) has rivet end cap (2), and the embedding is connected with rivet mandrel (1) on rivet body (3), the top integral type shaping of rivet mandrel (1) has rivet inflation head (4), the top central point department of putting of rivet inflation head (4) has connecting screw (6) through connecting the detachable spiral connection of screw (5), sliding sleeve has been cup jointed on connecting screw (6) sliding sleeve (61), and the outside welding of sliding sleeve (61) has to receive and restraint set frame (62).

2. Open blind rivet according to claim 1, characterized in that the bundling frame (62) is an inverted bowl-shaped structure and the opening diameter of the bundling frame (62) is larger than the diameter of the rivet expansion head (4).

3. Open blind rivet according to claim 1, characterized in that the adjusting nut (63) is screwed onto the connecting stud (6) above the sliding sleeve (61), and the outer diameter of the adjusting nut (63) is greater than the outer diameter of the sliding sleeve (61).

4. An open blind rivet according to claim 1, characterized in that four locking ribs (7) are welded to the top of the outside of the rivet shank (1), and the four locking ribs (7) are equiangularly distributed about the rivet shank (1).

5. An open type blind rivet according to claim 1, characterized in that the rivet core (1) is provided with a breaking annular groove (8) at the bottom of the locking protrusion (7), and the bottom of the outer side of the rivet core (1) is provided with a connecting filing wire (9).

6. An open type blind rivet according to claim 1, characterized in that the rivet body (3) is a cylindrical structure with a hollow interior, and four strip-shaped locking grooves (10) are formed on the inner wall of the rivet body (3) at equal angles.

7. An open blind rivet according to claim 6, characterized in that the four strip-shaped locking grooves (10) are all semi-cylindrical strip-shaped grooves, and the positions of the four locking grooves (10) correspond to the positions of the four locking ribs (7) one by one, and the diameter of the strip-shaped locking grooves (10) is smaller than that of the locking ribs (7).

8. Open blind rivet according to claim 1, characterized in that the rivet end cap (2) is screwed on the outside with a riveting washer (12).

9. An open blind rivet according to claim 1, characterised in that the outer shell of the rivet end cap (2) is provided with a connecting thread (11) for engaging with a riveting washer (12).

10. Open blind rivet according to claim 8, characterized in that the riveting washer (12) is a disk-shaped structure with a central through hole, and the diameter of the central through hole of the riveting washer (12) is equal to the diameter of the rivet end cap (2).