CN216768023U

CN216768023U - Rotary self-plugging rivet

Info

Publication number: CN216768023U
Application number: CN202123191876.3U
Authority: CN
Inventors: 陈立胜; 王行兵; 蔡成健
Original assignee: Taicang Shengshuo Industrial Products Co ltd
Current assignee: Huilian Electric (Yangzhou) Co.,Ltd.
Priority date: 2021-12-19
Filing date: 2021-12-19
Publication date: 2022-06-17
Anticipated expiration: 2031-12-19

Abstract

The utility model discloses a rotary blind rivet, belonging to the technical field of blind rivets, and particularly relating to a rotary blind rivet, wherein a core bar is arranged in a shell, the core bar penetrates through the shell and extends to the outer sides of the left wall and the right wall of the shell, a nail head is arranged on the right side of the core bar, a hollow tube is arranged on the left wall of the nail head, a first internal thread is arranged on the inner wall of the hollow tube, an external thread is arranged on the left side of the outer wall of the shell, a nail cap is screwed on the left side of the outer wall of the shell, a screw hole is arranged in the nail cap, a second internal thread is arranged in the screw hole, a screwing groove is arranged on the right side of the outer wall of the core bar, the screwing groove is close to the nail head, the screwing groove is positioned in the hollow tube, and the broken core bar can be replaced by the screwed screw rod after the core bar is disconnected from the screwing groove, the stability of the structure of the hollow part is ensured, sundries are not easy to enter, and the screw rod cannot fall off.

Description

Rotary self-plugging rivet

Technical Field

The utility model relates to the technical field of blind rivets, in particular to a rotary blind rivet.

Background

The rivet is used for riveting when being connected in a narrow space area, the self-plugging rivet can be used for single-side riveting, the rivet is simple and practical, the rotary rivet is generally applied to aerospace equipment relative to the rivet type rivet, and the structure is more attractive.

The existing rotary self-plugging rivet is connected, the broken part of the core rod is hollow, sundries easily enter the hole, the cleaning is inconvenient, the structure of the hollow part is unstable, and the screw rod is inserted to plug and is also easy to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary blind rivet, which solves the problems that after the existing rotary blind rivet in the background technology is connected, the broken part of a core rod is hollow, impurities easily enter the hole, the cleaning is inconvenient, the structure of the hollow part is unstable, and a screw rod is inserted for plugging and is easy to fall off.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotatory self-plugging rivet, includes the shell, the inside core bar that is equipped with of shell, the core bar runs through the shell inside and extends to the shell about two walls outside, the core bar right side is equipped with the pin fin, pin fin left side wall is equipped with the hollow tube, first internal thread has been seted up to the hollow tube inner wall, the external screw thread has been seted up on shell outer wall left side, shell outer wall left side spiro union has the nut, the inside screw of having seted up of nut, the inside second internal thread that is of screw.

Preferably, the right side of the outer wall of the core rod is provided with a twisting-off groove, the twisting-off groove is close to the nail head, the twisting-off groove is located on the right side of the nail cap, and the twisting-off groove is located inside the hollow tube.

Preferably, the left end of the core rod is provided with a clamping head, and the length between the clamping head and the nail cap is greater than the length between the nail head and the nail cap.

Preferably, the right wall of the hollow pipe is welded with the surface of the left wall of the nail head, and the hollow pipe is positioned inside the shell.

Preferably, the shell is in threaded connection with the nail cap through an external thread, and the external thread is matched with the second internal thread.

Compared with the prior art, the utility model has the beneficial effects that: through the common cooperation between the hollow tube and the first internal thread in the hollow tube, after the core bar breaks from twisting off the groove, can twist the screw rod with the hollow tube is inside, and the screw rod of twisting can replace disconnected core bar, guarantees the stability of hollow department structure, and difficult entering debris, and the screw rod can not drop.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic cross-sectional view of a hollow tube of the present invention;

FIG. 4 is a side view of the nut of the present invention;

fig. 5 is a schematic front view of the housing of the present invention.

In the figure: 1. a housing; 2. a core bar; 3. a nail cap; 4. a nail head; 5. a clamping head; 6. an external thread; 7. twisting off the groove; 8. a hollow tube; 9. a first internal thread; 10. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a rotatory self-plugging rivet, includes shell 1, shell 1 is aluminium system, easily takes place deformation, and durable corrosion-resistant, long service life, 1 inside core bar 2 that is equipped with of shell, core bar 2 runs through 1 inside and extends to the shell about 1 two walls outsides, 2 right sides of core bar are equipped with pin fin 4, and when 2 with the core bar stimulate to the left side, pin fin 4 can cause deformation with 1 right-hand member of shell, 4 left walls of pin fin are equipped with hollow tube 8, first internal thread 9 has been seted up to 8 inner walls of hollow tube, external screw thread 6 has been seted up on the left of 1 outer wall of shell, 1 outer wall left side spiro union of shell has nut 3, nut 3 is inside has seted up screw 10, the inside second internal thread that is of screw 10.

The right side of the outer wall of the core rod 2 is provided with a breaking groove 7, the breaking groove 7 is close to the nail head 4, the breaking groove 7 is located on the right side of the nail cap 3, the breaking groove 7 is located inside the hollow tube 8, the left end of the core rod 2 is provided with the clamping head 5, the length between the clamping head 5 and the nail cap 3 is larger than the length between the nail head 4 and the nail cap 3, the right wall of the hollow tube 8 is welded with the surface of the left wall of the nail head 4, the hollow tube 8 is located inside the shell 1, the shell 1 is in threaded connection with the nail cap 3 through an external thread 6, and the external thread 6 is matched with the second internal thread.

The working principle is as follows: core bar 2 is from twisting off 7 fracture backs in groove, the original core bar 2 department that is located 1 inside of shell becomes hollow form, 1 right-hand member of shell warp and the nut 3, jointly cooperate between remaining core bar 2 and rivet two connectors from the unilateral, choose for use and be good at inside the screw rod of hollow length of department twists hollow tube 8, external screw thread 6 has been seted up to the screw rod outer wall, the screw rod is twisted inside hollow tube 8, carry out the spiro union through the first internal thread 9 that the 8 inner walls of hollow tube were seted up, the screw rod carries out the shutoff with hollow department and is difficult for dropping.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. A rotary blind rivet comprises a shell (1), and is characterized in that: the novel nail-free nail-pulling device is characterized in that a core rod (2) is arranged inside the shell (1), the core rod (2) penetrates through the inside of the shell (1) and extends to the outer sides of the left wall and the right wall of the shell (1), a nail head (4) is arranged on the right side of the core rod (2), a hollow tube (8) is arranged on the left wall of the nail head (4), a first internal thread (9) is arranged on the inner wall of the hollow tube (8), an external thread (6) is arranged on the left side of the outer wall of the shell (1), a nail cap (3) is screwed on the left side of the outer wall of the shell (1), a screw hole (10) is formed inside the nail cap (3), and a second internal thread is formed inside the screw hole (10).

2. A rotary blind rivet according to claim 1, characterized in that: the right side of the outer wall of the core rod (2) is provided with a twisting groove (7), the twisting groove (7) is close to the nail head (4), the twisting groove (7) is located on the right side of the nail cap (3), and the twisting groove (7) is located inside the hollow pipe (8).

3. A rotary blind rivet according to claim 1, characterized in that: the left end of the core rod (2) is provided with a clamping head (5), and the length between the clamping head (5) and the nail cap (3) is greater than the length between the nail head (4) and the nail cap (3).

4. A rotary blind rivet according to claim 1, characterized in that: the right wall of the hollow pipe (8) is welded with the surface of the left wall of the nail head (4), and the hollow pipe (8) is positioned inside the shell (1).

5. A rotary blind rivet according to claim 1, characterized in that: the shell (1) is in threaded connection with the screw cap (3) through an external thread (6), and the external thread (6) is matched with the second internal thread.