CN-224219625-U - Plug pin type replaceable connection structure

Abstract

The utility model belongs to the technical field of jewelry connection structures, in particular to a plug-in type replaceable connection structure, which comprises a connection pin and a connection sleeve which is in sleeve joint fit with the connection pin, wherein the other end of the connection sleeve is also connected with an adjusting sleeve, a lock block is formed on the side surface of the connection pin, a butt joint groove, a rotary groove and a lock groove are formed in the connection sleeve and are matched with the lock block, a sinking groove is formed in the connection sleeve, a rubber block is arranged in the sinking groove and is abutted against a supporting block at the bottom of the connection pin so as to lock the lock block in the lock groove, and the connection of the lock groove and the lock block can be realized through the rubber block and under the pressing and rotating forces in actual use.

Inventors

• LIANG JIANPENG

Assignees

• 深圳市朵拉金银珠宝有限公司

Dates

Publication Date

20260512

Application Date

20250701

Claims (6)

1. 1. The plug pin type replaceable connecting structure is characterized by comprising a connecting pin (1) and a connecting sleeve (2) which is sleeved and matched with the connecting pin (1), wherein the other end of the connecting sleeve (2) is also connected with an adjusting sleeve (4), a locking piece (11) is formed on the side face of the connecting pin (1), a butt joint groove (22), a rotary groove (23) and a locking groove (24) are formed in the connecting sleeve (2) and matched with the locking piece (11), a sinking groove (21) is also formed in the connecting sleeve (2), and a rubber block (3) is arranged in the sinking groove (21) and abuts against a supporting block (12) at the bottom of the connecting pin (1) so as to lock the locking piece (11) in the locking groove (24), and then the connecting pin (1), the connecting sleeve (2), the adjusting sleeve (4) and an ornament (5) are connected.
2. 2. The plug pin type replaceable connecting structure according to claim 1, wherein the ornament (5) is provided with a through connecting hole (51), compression grooves (52) with diameters larger than those of the connecting hole (51) are formed at two ends of the connecting hole (51), the upper end of the connecting pin (1) is provided with a first cap (13) which is matched with the compression groove (52) at one end, and the bottom of the adjusting sleeve (4) is provided with a second cap (42) which is matched with the compression groove (52) at the other end.
3. 3. The plug pin type replaceable connecting structure according to claim 1, wherein a threaded column (25) is formed at one end of the connecting sleeve (2) far away from the connecting pin (1), and an inner threaded groove (41) is formed in the adjusting sleeve (4) and is in threaded fit with the threaded column (25).
4. 4. A plug-in type replaceable connecting structure according to claim 2, characterized in that the connecting pin (1) is in plug-in fit with the sinking groove (21).
5. 5. A plug-in type replaceable connecting structure according to claim 2, wherein the first cap (13) is externally formed with a first connecting lug (14), and the second cap (42) is externally formed with a second connecting lug (43).
6. 6. The plug pin type replaceable connecting structure according to claim 1, wherein the butt joint groove (22) is axially inserted and matched with the locking piece (11), the rotary groove (23) is rotationally matched with the locking piece (11), and the locking groove (24) is far away from the rotary groove (23) and is close to one end of the sinking groove (21).

Description

Plug pin type replaceable connection structure Technical Field The utility model belongs to the technical field of jewelry connection structures, and particularly relates to a plug pin type replaceable connection structure. Background Jewelry refers to ornaments worn on various parts of the human body, and are usually made of precious or decorative materials such as precious metals, precious stones, pearls, enamels and the like, and cover various forms such as rings, necklaces, earrings, bracelets, brooches and the like. However, most of ornaments on the traditional jewelry and chains for wearing adopt an integral connecting structure or a connecting structure which is not easy to detach, so that the matching limitation is caused in the actual use, for example, one chain cannot be quickly replaced with different ornaments according to the needs and the favorites; In order to solve the above-mentioned problems, the present application provides a plug-pin type replaceable connection structure. Disclosure of utility model In order to solve the problems in the prior art, the utility model provides a plug-pin type replaceable connecting structure, which has the characteristics. In order to achieve the purpose, the plug pin type replaceable connecting structure comprises a connecting pin and a connecting sleeve which is in sleeve joint fit with the connecting pin, an adjusting sleeve is further connected to the other end of the connecting sleeve, a locking piece is formed on the side face of the connecting pin, a butt joint groove, a rotary groove, a locking groove and a locking piece are formed in the connecting sleeve to be matched, a sinking groove is formed in the connecting sleeve, and a rubber block is arranged in the sinking groove and abuts against a supporting block at the bottom of the connecting pin to lock the locking piece in the locking groove, so that the connecting pin, the connecting sleeve and the adjusting sleeve are connected with ornaments. As a preferable technical scheme of the utility model, a penetrating connecting hole is formed in the ornament, compression grooves with diameters larger than those of the connecting hole are formed at two ends of the connecting hole, a first cap is formed at the upper end of the connecting pin and matched with the compression groove at one end, and a second cap is formed at the bottom of the adjusting sleeve and matched with the compression groove at the other end of the adjusting sleeve. As a preferable technical scheme of the utility model, one end of the connecting sleeve, which is far away from the connecting pin, is provided with a threaded column, and an internal thread groove is formed in the adjusting sleeve and is in spiral fit with the threaded column. As a preferable technical scheme of the utility model, the connecting pin is in plug-in fit with the sinking groove. As a preferable technical scheme of the utility model, the first connecting lug is formed outside the first cap, and the second connecting lug is formed outside the second cap. As a preferable technical scheme of the utility model, the butt joint groove is in axial plug-in fit with the locking piece, the rotary groove is in rotary fit with the locking piece, and the locking groove is far away from the rotary groove and is close to one end of the sinking groove. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the locking grooves and the locking blocks which are connected with each other are formed at the two ends of the ornaments, so that the ornaments can be disassembled and assembled through the rubber blocks under the pressing and rotating forces in actual use, the ornaments can be replaced conveniently and differently, the connection is simplified, and meanwhile, the connection reliability can be ensured; According to the utility model, through setting the adjustment between the connecting sleeve and the adjusting sleeve, the connecting sleeve can be connected with ornaments with different sizes and models in an adjusting range in actual use, and the adaptability and the flexibility are better. Drawings The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings: FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic diagram of the present utility model in front view and semi-section; FIG. 3 is a schematic view of the split structure of the present utility model; 1, a connecting pin; 11, a locking block, 12, a supporting block, 13, a first cap, 14, a first connecting lug, 2, a connecting sleeve, 21, a sinking groove, 22, a butt joint groove, 23, a rotating groove, 24, a locking groove, 25, a threaded column, 3, a rubber block, 4, an adju