CN217519030U

CN217519030U - Detachable rivet

Info

Publication number: CN217519030U
Application number: CN202220711163.0U
Authority: CN
Inventors: 梅发银; 梅迪; 梅亮; 宋聚涛; 梅申保; 魏玲; 陈雪松
Original assignee: Anhui Boli Rivet Manufacturing Co ltd
Current assignee: Anhui Boli Rivet Manufacturing Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-30
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a detachable rivet, which comprises a rivet sleeve and a rivet core component; one end of the rivet sleeve is provided with an end cap, the rivet sleeve is provided with a mounting hole matched with the nail core assembly, and the nail core assembly penetrates through the mounting hole and is arranged in the rivet sleeve; the nail core subassembly is located the riveting cover and is close to end cap one end including dismantling the supporting rod and the riveting pole of connecting, and the supporting rod one end is kept away from to the riveting pole is equipped with the inflation head. The utility model provides a detachable rivet through setting the core assembly of the nail to can dismantle the supporting rod and the riveting rod of connection for when the user need install the rivet and dismantle the rivet, be connected the supporting rod with the riveting rod, thereby accomplish the installation fast, then dismantle down the supporting rod when not using, do not influence the normal use of rivet, moreover, the steam generator is simple in structure, the dismouting is convenient, convenient to use, and this supporting rod can carry out repetitious usage, improve the utilization ratio of supporting rod, reduction in production cost and use cost.

Description

Detachable rivet

Technical Field

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

Background

After the open type blind rivet is subjected to rivet pulling, the rivet body expands and bulges, so that the rivet end cap is matched to play a riveting role, the open type blind rivet has two types, one type is a flat-head open type blind rivet, and the other type is a countersunk head open type blind rivet. The flat-head open type self-plugging rivet is widely applied, and the countersunk head open type self-plugging rivet is suitable for riveting occasions with surfaces needing to be smooth. When the open type blind rivet is used, the rivet body has a large opening under the action of the rivet expansion head, so that riveting fixation is performed, and then the rivet core is cut off by means of a tool. After the rivet core is cut off, the rest part cannot be used continuously, and the rivet core is disposable, so that the use cost is increased, and the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a detachable rivet.

The utility model provides a detachable rivet, which comprises a rivet sleeve and a rivet core component;

one end of the rivet sleeve is provided with an end cap, the rivet sleeve is provided with a mounting hole matched with the nail core assembly, and the nail core assembly penetrates through the mounting hole and is arranged in the rivet sleeve;

the nail core subassembly is located the riveting cover and is close to end cap one end including dismantling the supporting rod and the riveting pole of connecting, and the supporting rod one end is kept away from to the riveting pole is equipped with the inflation head.

Preferably, the mandrel component further comprises a reset piece and a sliding block, a first sliding groove is formed in one end, close to the riveting rod, of the clamping rod, the reset piece is arranged in the first sliding groove, the sliding direction of the sliding block is perpendicular to the axial direction of the mounting hole, a sliding hole which is arranged along the axial direction is formed in the side wall of the rivet sleeve, the sliding hole is arranged corresponding to the first sliding groove, a protrusion which can slide along the sliding hole in a matched mode is arranged on one side, close to the sliding hole, of the sliding block, the reset piece is arranged on one side, far away from the sliding hole, of the sliding block, a first hook head is arranged on one side, close to the riveting rod, of the sliding block, and a second hook head which is locked in a matched mode with the first hook head is arranged on one end, close to the clamping rod, of the riveting rod.

Preferably, the cross-sectional area of the first chute in the axial direction is gradually reduced from the inside to the outside.

Preferably, the first hook head includes a first connection portion arranged in parallel with the mounting hole and a second connection portion arranged perpendicular to the mounting hole.

Preferably, the second hook head includes a third connection portion arranged in parallel with the mounting hole and a fourth connection portion arranged perpendicularly to the mounting hole.

Preferably, the outer fringe of riveting pole is equipped with spacing boss, is equipped with the second spout with spacing boss matched with on the inner wall of mounting hole.

Preferably, one end of the mounting hole, which is close to the expansion head, is provided with a chamfer matched with the expansion head.

Preferably, the clamping rod includes clamping body and connector, and the connector is located between clamping body and the riveting pole, and the clamping body is equipped with the external screw thread, clamping body and connector sliding connection, and the clamping body can rotate for the connector, the slip direction of clamping body and its pivot mutually perpendicular, pivot and the coaxial arrangement of mounting hole.

Preferably, the opposite surfaces of the clamping body and the connecting body are respectively provided with a limiting lug and a third sliding groove, and the limiting lug can slide and rotate in the third sliding groove.

Preferably, the cross-sectional area of the third runner decreases gradually from the inside to the outside in the axial direction.

The utility model discloses in, the detachable rivet that provides, through setting the shank subassembly to can dismantle the supporting rod and the riveting rod of connection, when making the user need install the rivet and dismantle the rivet, be connected supporting rod and riveting rod, thereby accomplish the installation fast, then dismantle the supporting rod down when not using, do not influence the normal use of rivet, moreover, the steam generator is simple in structure, the dismouting is convenient, convenient to use, and this supporting rod can carry out repetitious usage, improve the utilization ratio of supporting rod, and the production cost and use cost are reduced.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a detachable rivet according to the present invention.

Fig. 2 is a schematic axial sectional structure view of a first embodiment of a detachable rivet according to the present invention.

Fig. 3 is a schematic view of a partial axial cross-section structure at the position M of a first embodiment of a detachable rivet according to the present invention.

Fig. 4 is a schematic structural diagram of a second embodiment of a detachable rivet according to the present invention.

Fig. 5 is a schematic axial sectional structure view of a second embodiment of a detachable rivet according to the present invention.

Fig. 6 is a schematic view of a second embodiment of a detachable rivet according to the present invention, showing a structure of a partial axial section at N.

Fig. 7 is a schematic structural diagram of a connector of a detachable rivet according to the present invention.

Detailed Description

As shown in fig. 1-7, fig. 1 is a schematic structural view of a first embodiment of a detachable rivet according to the present invention. Fig. 2 is a schematic axial sectional structure view of a first embodiment of a detachable rivet according to the present invention. Fig. 3 is a schematic view of a partial axial cross-section structure at the position M of a first embodiment of a detachable rivet according to the present invention. Fig. 4 is a schematic structural diagram of a detachable rivet according to a second embodiment of the present invention. Fig. 5 is a schematic axial sectional structure view of a second embodiment of a detachable rivet according to the present invention. Fig. 6 is a schematic view of a second embodiment of a detachable rivet according to the present invention, showing a structure of a partial axial cross section at N. Fig. 7 is a schematic structural diagram of a connector of a detachable rivet according to the present invention.

Referring to fig. 1-3, the utility model provides a detachable rivet, which comprises a rivet sleeve 1 and a rivet core assembly;

one end of the rivet sleeve 1 is provided with an end cap 11, the rivet sleeve 1 is provided with a mounting hole 12 matched with the rivet core assembly, and the rivet core assembly penetrates through the mounting hole 12 and is arranged in the rivet sleeve 1;

the mandrel component comprises a clamping rod 2 and a riveting rod 3 which are detachably connected, the clamping rod 2 is located at one end, close to the end cap 11, of the rivet sleeve 1, and the end, far away from the clamping rod 2, of the riveting rod 3 is provided with an expansion head 31.

In the concrete working process of the detachable rivet of this embodiment, during the use, link together holding rod 2 and riveting rod 3 earlier, then with holding

rod

2 and 3 coaxial arrangements of riveting rod in mounting hole 12, the rivet driver stimulates holding rod 2, holding rod 2 drives riveting rod 3 and removes to holding rod 2 one side, rivet, will treat that adapting unit links together a plurality of when the rivet, dismantle holding rod 2 from riveting rod 3, thereby accomplish the riveting process.

In this embodiment, the detachable rivet that provides, through setting the mandrel subassembly to detachable connection's supporting rod 2 and riveting rod 3, when making the user need install the rivet and dismantle the rivet, be connected supporting rod 2 and riveting rod 3, thereby accomplish the installation fast, then dismantle supporting rod 2 down when not using, do not influence the normal use of rivet, moreover, the steam generator is simple in structure, the dismouting is convenient, convenient to use, and this supporting rod 2 can carry out repetitious usage, improve supporting rod 2's utilization ratio, and reduction in production cost and use cost.

In the first embodiment, the mandrel component further includes a reset piece 4 and a slider 5, a first sliding groove 21 is formed in one end, close to the riveting rod 3, of the clamping rod 2, the reset piece 4 and the slider 5 are arranged in the first sliding groove 21, the sliding direction of the slider 5 is perpendicular to the axial direction of the mounting hole 12, a sliding hole 13 arranged along the axial direction is formed in the side wall of the rivet sleeve 1, the sliding hole 13 is arranged corresponding to the first sliding groove 21, a protrusion 51 capable of sliding along the sliding hole 13 in a matched manner is arranged on one side, close to the sliding hole 13, of the slider 5, the reset piece 4 is arranged on one side, far away from the sliding hole 13, of the slider 5, a first hook head 52 is arranged on one side, close to the riveting rod 3, and a second hook head 32 locked in a matched manner with the first hook head 52 is arranged on one end, close to the clamping rod 2, of the riveting rod 3.

Referring to fig. 3, 6-7, further, the cross-sectional area of the first slide groove 21 in the axial direction gradually decreases from the inside to the outside.

Referring to fig. 3 and 6, further, the first hook head 52 includes a first connection portion a arranged in parallel with the mounting hole 12 and a second connection portion B arranged perpendicular to the mounting hole 12.

Further, the second hook head 32 includes a third connection portion C arranged in parallel with the mounting hole 12 and a fourth connection portion D arranged perpendicularly to the mounting hole 12.

When the rivet is used, firstly, the clamping rod 2 is inserted into the mounting hole 12 from one side of the rivet sleeve 1 close to the end cap 11, the riveting rod 3 is inserted into the mounting hole 12 from one side far away from the end cap 11, the resetting piece 4 and the sliding block 5 are sequentially installed into the first sliding groove 21 through the sliding hole 13, the bulge 51 is pressed inwards, the clamping rod 2 is pressed towards one side of the rivet rod, so that the fourth connecting part D is positioned above the second connecting part B, the bulge 51 is released, under the action of the resetting piece 4, the first hook head 52 and the second hook head 32 form a locking structure, at the moment, the clamping rod 2 is connected with the riveting rod 3, the riveting rod 2 is pulled by the rivet pulling device to drive the riveting rod 3 to carry out rivet pulling, after a plurality of pieces to be connected are connected together by the rivet, the bulge 51 is pressed inwards at the moment, the first hook head 52 and the second hook head 32 are separated from each other, at the moment, the clamping rod 2 is pulled upwards by the rivet pulling device, when the second connecting part B is located above the fourth connecting part D, the protrusion 51 is released, the slider 5 and the reset piece 4 are taken out of the first sliding groove 21 through the sliding hole 13, and the rivet pulling device continues to pull the clamping rod 2 until the clamping rod is separated from the mounting hole 12, so that the riveting process is completed.

Furthermore, the outer edge of the riveting rod 3 is provided with a limiting boss 33, and the inner wall of the mounting hole 12 is provided with a second sliding groove 14 matched with the limiting boss 33, so that the limiting boss 33 and the second sliding groove 14 are matched with each other for limiting, and the riveting rod 3 is prevented from being excessively riveted to cause scrapping.

Further, the end of the mounting hole 12 near the expansion head 31 is provided with a chamfer cooperating with the expansion head 31 to facilitate the entry of the expansion head 31 into the mounting hole 12.

Referring to fig. 4 to 6, in a second embodiment, in order to make the rivet suitable for a rivet driver using a threaded connection, the clamping rod 2 includes a clamping body E and a connecting body F, the connecting body F is located between the clamping body E and the riveting rod 3, the clamping body E is provided with an external thread, the clamping body E is slidably connected with the connecting body F, and the clamping body E can rotate relative to the connecting body F, the sliding direction of the clamping body E is perpendicular to the rotating shaft thereof, and the rotating shaft is coaxially arranged with the mounting hole 12.

Furthermore, the opposite surfaces of the clamping body E and the connecting body F are respectively provided with a limiting lug G and a third sliding groove H, and the limiting lug G can slide and rotate in the third sliding groove H.

Referring to fig. 3, 6-7, further, the cross-sectional area of the third link H is gradually reduced from the inside to the outside in the axial direction.

The working principle is as follows: arranging a limit bump G on a clamping body E, arranging a connecting body F with a third chute H, horizontally moving the clamping body E during installation, driving the limit bump G to slide into the third chute H by the clamping body E, enabling the limit bump G and the third chute H to form limit locking due to the fact that the cross-sectional area of the third chute H is gradually reduced from inside to outside along the axial direction, connecting the clamping body E and the connecting body F together, then enabling the clamping body E and the connecting body F to penetrate into a mounting hole 12 from one side of a rivet sleeve 1 close to an end cap 11, enabling a riveting rod 3 to penetrate into the mounting hole 12 from one side far away from the end cap 11, installing a reset piece 4 and a slider 5 into a first chute 21 through a sliding hole 13 in sequence, pressing a bulge 51 inwards, pressing the clamping body E towards one side of the rivet rod, enabling a fourth connecting part D to be positioned above a second connecting part B, releasing the bulge 51, and under the action of the reset piece 4, so that the first hook head 52 and the second hook head 32 form a locking structure, at this time, the connecting body F is connected with the riveting rod 3, the rivet driver is matched with the external thread of the clamping body E through the threaded hole of the rivet driver to be in threaded connection, the rivet driver pulls the clamping holder to drive the connecting piece to move towards one side of the connecting sleeve, which is close to the end cap 11, the connecting body F performs rivet driving on the riveting rod 3, when the riveting rod 3 drives the limiting boss 33 to abut against the bottom of the second chute 14, the rivet connects a plurality of parts to be connected together, at this time, the bulge 51 is pressed inwards, the first hook head 52 and the second hook head 32 are separated from each other, at this time, the rivet driver is adopted to continue to pull the clamping body E towards the side far from the rivet rod, when the second connecting part B is positioned above the fourth connecting part D, the bulge 51 is released, the sliding block 5 and the resetting piece 4 are taken out from the first chute 21 through the sliding hole 13, the rivet driver continues to pull the clamping body E, until the connecting body F is separated from the mounting hole 12, the clamping body E is horizontally moved and drives the limiting bump G to be detached from the third sliding groove H on the connecting body F, so that the riveting process is completed.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A detachable rivet is characterized by comprising a rivet sleeve (1) and a rivet core component;

one end of the rivet sleeve (1) is provided with an end cap (11), the rivet sleeve (1) is provided with a mounting hole (12) matched with the rivet core assembly, and the rivet core assembly penetrates through the mounting hole (12) and is arranged in the rivet sleeve (1);

the rivet core assembly comprises a clamping rod (2) and a riveting rod (3) which are detachably connected, the clamping rod (2) is located at one end, close to the end cap (11), of the rivet sleeve (1), and an expansion head (31) is arranged at one end, far away from the clamping rod (2), of the riveting rod (3).

2. The detachable rivet according to claim 1, wherein the rivet core assembly further comprises a reset piece (4) and a slider (5), a first sliding groove (21) is formed in one end, close to the riveting rod (3), of the clamping rod (2), the reset piece (4) and the slider (5) are arranged in the first sliding groove (21), the sliding direction of the slider (5) is perpendicular to the axial direction of the mounting hole (12), a sliding hole (13) arranged along the axial direction is formed in the side wall of the rivet sleeve (1), the sliding hole (13) is arranged corresponding to the first sliding groove (21), a protrusion (51) capable of sliding along the sliding hole (13) in a matched manner is arranged on one side, close to the sliding hole (13), of the slider (5), the reset piece (4) is arranged on one side, far away from the sliding hole (13), of the slider (5) and close to the riveting rod (3) are provided with a first hook head (52), and a second hook head (32) matched and locked with the first hook head (52) is arranged on one end, close to the clamping rod (2), of the riveting rod (3).

3. Rivet according to claim 2, characterised in that the first runner (21) has a cross-sectional area which decreases in the axial direction from the inside to the outside.

4. Rivet according to claim 2, characterized in that the first hook head (52) comprises a first connection (a) arranged parallel to the mounting hole (12) and a second connection (B) arranged perpendicular to the mounting hole (12).

5. Rivet according to claim 2, characterized in that the second hook head (32) comprises a third connection (C) arranged parallel to the mounting hole (12) and a fourth connection (D) arranged perpendicular to the mounting hole (12).

6. Detachable rivet according to claim 1, characterized in that the outer edge of the riveting rod (3) is provided with a limit boss (33), and the inner wall of the mounting hole (12) is provided with a second sliding groove (14) which is matched with the limit boss (33).

7. Removable rivet according to claim 1, characterized in that the end of the mounting hole (12) close to the expansion head (31) is provided with a chamfer cooperating with the expansion head (31).

8. Detachable rivet according to claim 1, characterised in that the holding shank (2) comprises a holding body (E) and a connecting body (F), the connecting body (F) being located between the holding body (E) and the rivet shank (3), the holding body (E) being provided with an external thread, the holding body (E) being slidably connected to the connecting body (F) and the holding body (E) being rotatable relative to the connecting body (F), the sliding direction of the holding body (E) being perpendicular to its axis of rotation, which is arranged coaxially with the mounting hole (12).

9. The detachable rivet according to claim 8, wherein the opposite surfaces of the holding body (E) and the connecting body (F) are respectively provided with a limit projection (G) and a third sliding groove (H), and the limit projection (G) can slide and rotate in the third sliding groove (H).

10. Rivet according to claim 9, characterised in that the cross-sectional area of the third runner (H) decreases from the inside to the outside in the axial direction.