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CN-122018089-A - Optical fiber buckle and optical fiber adapter

CN122018089ACN 122018089 ACN122018089 ACN 122018089ACN-122018089-A

Abstract

The invention belongs to the technical field of optical communication, and discloses an optical fiber buckle and an optical fiber adapter, wherein the optical fiber buckle comprises an internal connection part, the internal connection part comprises an internal connection frame and a locking arm, the internal connection frame is surrounded to form an internal connection groove, the internal connection frame can be inserted into a shell of an optical module along a first direction, the locking arm extends along first direction, and one side that the locking arm deviates from the inscription groove is provided with locking protruding head, and when the inscription frame cartridge was in the casing, locking protruding head was supported in the inner wall of casing along the second direction, and the second direction perpendicular to first direction, and the optical fiber adapter includes above-mentioned optical fiber buckle. According to the optical module, the inner connecting frame ensures that the optical fiber buckle can be stably inserted into the shell of the optical module along the first direction, the locking arm is propped against the inner wall of the shell along the second direction perpendicular to the first direction through the locking convex head on the inner connecting frame, so that the optical fiber buckle cannot shake when being inserted into the shell of the optical module, and the reliability and stability of coupling conduction of the external optical fiber and the internal optical fiber in the optical module are ensured.

Inventors

  • FU CONGXIN
  • GAO MINSHENG
  • LIN YIZENG
  • LV JIANWEN

Assignees

  • 东莞讯滔电子有限公司
  • 东莞立讯技术有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (10)

  1. 1. Optical fiber buckle, characterized by comprising an inner joint part (11), the inner joint part (11) comprising: An inner frame (111), wherein an inner groove (1111) is formed around the inner frame (111), and the inner frame (111) can be inserted into a housing (100) of the optical module along a first direction; The locking arm (112), the locking arm (112) is along first direction extension, the locking arm (112) deviate from one side of inscription groove (1111) is provided with locking protruding head (1121), when inscription frame (111) cartridge in casing (100), locking protruding head (1121) along the second direction support in the inner wall of casing (100), the second direction perpendicular to first direction.
  2. 2. The optical fiber buckle according to claim 1, wherein an inner avoidance groove (1112) is formed at one end of the inner frame (111) facing the notch of the inner avoidance groove (1111), the inner avoidance groove (1112) penetrates through to the groove wall of the inner groove (1111), the inner groove (1111) is communicated with the outside through the inner avoidance groove (1112), and the locking arm (112) is arranged at the groove bottom of the inner avoidance groove (1112).
  3. 3. The optical fiber buckle according to claim 2, wherein two inner avoidance grooves (1112) are provided, the two inner avoidance grooves (1112) are located on two opposite sides of the inner connection groove (1111), and one locking arm (112) is provided in each inner avoidance groove (1112).
  4. 4. The fiber optic clasp according to claim 2, wherein the locking arm (112) is provided with an interference rib (1122) on a side facing the inscription groove (1111).
  5. 5. The fiber optic clasp of claim 1, further comprising an external connection (12) connected to the internal connection (11), wherein an outer wall of the external connection (12) is provided with a clamping block (1213), the clamping block (1213) being configured to be clamped in a clamping groove of the housing (100).
  6. 6. Optical fiber adapter, characterized by comprising an optical fiber plug (2) and the optical fiber buckle according to any of claims 1-5, wherein the optical fiber plug (2) is inserted into the inscription groove (1111).
  7. 7. The optical fiber adapter according to claim 6, wherein a first sinking groove (23) is arranged at one end of the optical fiber plug (2) deviating from the optical fiber buckle, a second sinking groove (24) is arranged at the groove bottom of the first sinking groove (23), a plurality of penetrating grooves (25) are arranged side by side on the groove wall of the second sinking groove (24), a plurality of penetrating holes (26) are arranged side by side on the groove bottom of the second sinking groove (24), the penetrating grooves (25) extend along the first direction, one end penetrates to the groove bottom of the first sinking groove (23), the other end penetrates to the groove bottom of the second sinking groove (24), and a plurality of penetrating grooves (25) are opposite to the penetrating holes (26) one by one.
  8. 8. The fiber optic adapter according to claim 6, further comprising a pin (3), wherein the fiber optic plug (2) is provided with a connection hole (27), the fiber optic buckle further comprises an external connection portion (12) connected to the internal connection portion (11), an external connection groove (1211) is provided at one end of the external connection portion (12) facing away from the internal connection portion (11), and the pin (3) is inserted into the connection hole (27), and one end of the pin extends into the external connection groove (1211).
  9. 9. The fiber optic adapter according to claim 8, further comprising a securing member (4), the securing member (4) being disposed on a side of the fiber optic plug (2) facing away from the fiber optic catch, the securing member (4) being provided with a snap-in hole (41), the pin (3) being snapped into the snap-in hole (41).
  10. 10. The optical fiber adapter according to claim 9, wherein the fixing member (4) is in a frame structure, the fixing member (4) is provided with the clamping hole (41) and a channel hole (42) communicated with the clamping hole (41) towards the wall plate of the optical fiber plug (2), the distance between two side hole walls of the channel hole (42) is gradually increased along the direction deviating from the clamping hole (41), the contact pin (3) comprises a first connecting section (31), a middle section (32) and a second connecting section (33) which are coaxially and sequentially connected, the diameter of the middle section (32) is smaller than the diameter of the first connecting section (31) and the diameter of the second connecting section (33), the first connecting section (31) can pass through the channel hole (42), the middle section (32) can move into the clamping hole (41) from the channel hole (42), and the middle section (32) is positioned in the clamping hole (41) towards the wall plate of the optical fiber plug (2).

Description

Optical fiber buckle and optical fiber adapter Technical Field The present invention relates to the field of optical communications technologies, and in particular, to an optical fiber buckle and an optical fiber adapter. Background The optical fiber adapter in the optical module is used for fixedly coupling the external optical fiber with the internal optical fiber, and comprises an optical fiber buckle, an optical fiber plug, a fixing piece and a contact pin, wherein the optical fiber adapter is assembled in a shell of the optical module through the optical fiber buckle, the internal optical fiber is arranged on the optical fiber plug, the optical fiber plug is fixedly arranged on the optical fiber buckle, the fixing piece is used for fixedly positioning and fixing the optical fiber plug and the contact pin, and the optical fiber buckle is used for fixedly coupling the external optical fiber with the internal optical fiber on the optical fiber plug. The existing optical fiber buckle has an assembly gap when being installed in a shell of an optical module due to the manufacturing tolerance or the assembly tolerance of the optical fiber buckle, when the assembly gap is too large, the optical fiber buckle easily generates larger shaking in the shell of the optical module, so that the outer optical fiber is shaken after being inserted into the optical fiber buckle, and poor coupling conduction between the outer optical fiber and the inner optical fiber in the optical module is caused. Disclosure of Invention The invention aims to provide an optical fiber buckle and an optical fiber adapter, which enable the optical fiber buckle to be assembled stably and reliably. To achieve the purpose, the invention adopts the following technical scheme: optical fiber buckle, including inscription portion, inscription portion includes: an inner frame, which encloses an inner groove, and can be inserted into the housing of the optical module along a first direction; The locking arm extends along the first direction, a locking protruding head is arranged on one side, away from the inner connecting groove, of the locking arm, and when the inner connecting frame is inserted into the shell, the locking protruding head abuts against the inner wall of the shell along the second direction, and the second direction is perpendicular to the first direction. Preferably, an inner avoidance groove is formed in one end, facing the notch of the inner avoidance groove, of the inner connection frame, the inner avoidance groove penetrates through the groove wall of the inner connection groove, the inner connection groove is communicated with the outside through the inner avoidance groove, and the locking arm is arranged at the groove bottom of the inner avoidance groove. Preferably, two inner avoidance grooves are formed, the two inner avoidance grooves are located on two opposite sides of the inner connection groove, and each inner avoidance groove is internally provided with one locking arm. Preferably, an interference convex rib is arranged on one side of the locking arm facing the inner connecting groove. Preferably, the device further comprises an external connection part connected to the internal connection part, wherein a clamping block is arranged on the outer wall of the external connection part and is configured to be clamped in a clamping groove of the shell. The optical fiber adapter comprises an optical fiber plug and the optical fiber buckle, and the optical fiber plug is inserted into the inscription groove. Preferably, one end of the optical fiber plug, which deviates from the optical fiber buckle, is provided with a first sinking groove, the bottom of the first sinking groove is provided with a second sinking groove, the groove walls of the second sinking groove are provided with a plurality of penetrating grooves side by side, the groove bottoms of the second sinking groove are provided with a plurality of penetrating holes side by side, the penetrating grooves extend along the first direction, one end of the penetrating grooves penetrates through the groove bottoms of the first sinking groove, the other end of the penetrating grooves penetrate through the groove bottoms of the second sinking groove, and the penetrating grooves and the penetrating holes are opposite to each other. Preferably, the optical fiber connector further comprises a contact pin, the optical fiber plug is provided with a connecting hole, the optical fiber buckle further comprises an external connection part connected to the internal connection part, one end of the external connection part, deviating from the internal connection part, is provided with an external connection groove, the contact pin is arranged in the connecting hole in a penetrating mode, and one end of the contact pin extends into the external connection groove. Preferably, the optical fiber connector further comprises a fixing piece, wherein the fixing piece is arranged on one side, aw