CN218161202U

CN218161202U - DFB tail fiber laser diode for OTDR transmission

Info

Publication number: CN218161202U
Application number: CN202222656807.3U
Authority: CN
Inventors: 陈祥宝
Original assignee: Shenzhen Bokesi Photoelectric Technology Co ltd
Current assignee: Shenzhen Bokesi Photoelectric Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-27
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a DFB tail optical fiber laser diode for OTDR transmission, including terminal, organism and plug wire, the outside side cover of organism is equipped with the swivel nut, the outside side welding of one side of swivel nut has the commentaries on classics board, the branch cover is installed to one side of swivel nut, the welding of swivel nut opposite side has the insert ring, the card has the ball on the insert ring, the spout has been seted up to the opposite side of organism, the inboard card of spout has the slider, the spring is installed to the inboard of spout, and this a DFB tail optical fiber laser diode for OTDR transmission can adjust the angle and the position of plug wire according to the different mode of arranging of interface, makes its phase-match with the interface on the required mounted position, and then can adapt to different DFB uses, can keep laser diode and the complete horizontally outwards extraction of interface effectively, and then avoids making a round trip or crooked the plug wire of leading to buckle even fracture because of laser diode, ensures the safety of plug wire, is applicable to the production of laser and uses.

Description

DFB tail fiber laser diode for OTDR transmission

Technical Field

The utility model relates to a laser diode equipment technical field specifically is a DFB tail optical fiber laser diode for OTDR transmission.

Background

The laser diode is a common laser generator, can be applied to a plurality of fields, the existing laser diode basically has the advantages of small volume, light weight, convenient installation, firm installation, difficult looseness, low working energy consumption, low working heat productivity, easy heat dissipation, long service life and the like, and can meet the use requirement of laser required by OTDR (optical time domain reflectometry) operation; on the other hand, when needing to take out laser diode equipment from the interface, because the plug wire is connected comparatively firmly for cause the buckling of plug wire and lead to the fracture easily when extracting, be unfavorable for the safety of guarantee plug wire.

Therefore, how to design a DFB pigtailed laser diode for OTDR transmission becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a not enough to prior art exists, the utility model aims at providing an improve a DFB tail optical fiber laser diode for OTDR transmission to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be applicable to the production of laser and use.

In order to achieve the above object, the utility model provides a following technical scheme: a DFB pigtail laser diode for OTDR transmission comprises a laser diode body, wherein the laser diode body comprises a terminal, a machine body and a plug wire, the terminal is installed on one side of the machine body, the plug wire is installed on the other side of the machine body, a threaded sleeve is sleeved on the outer side of the machine body, a rotating plate is welded on the outer side of one side of the threaded sleeve, a support sleeve is installed on one side of the threaded sleeve, an insert ring is welded on the other side of the threaded sleeve, a ball is clamped on the insert ring, a sliding groove is formed in the other side of the machine body, a sliding block is clamped on the inner side of the sliding groove, and a spring is installed on the inner side of the sliding groove.

As a preferred embodiment of the present invention, the plug wire is welded to one side of the slider, and the slider is connected to the machine body through an electric wire.

As a preferred embodiment of the utility model, the one end welding of spring is in one side of slider, the other end welding of spring is on the inner wall of spout, the quantity of spout, slider and plug wire is 3.

As a preferred embodiment of the present invention, the inner side of the screw sleeve is provided with an internal thread, the outer side of the machine body is provided with an external thread, and the internal thread is matched with the external thread.

As an optimized embodiment of the present invention, the ring groove is opened on one side of the supporting sleeve, and the inserting ring is clamped inside the ring groove.

As a preferred embodiment of the utility model, the inboard of inserting the ring all passes through the inboard of ball card at the branch cover with the outside, the internal diameter of branch cover is greater than the external diameter of organism.

Has the advantages that: 1. this a DFB pigtail laser diode for OTDR transmission owing to be provided with terminal, organism, plug wire, swivel nut, commentaries on classics board, branch cover, insert ring, ball, spout, slider and spring, can be when will installing, can adjust the angle and the position of plug wire according to the different mode of arranging of interface effectively, make its and the required phase-match of the interface on the mounted position, and then can adapt to different DFB equipment and use.

2. This a DFB pigtail laser diode for OTDR transmission owing to be provided with terminal, organism, plug wire, swivel nut, commentaries on classics board, branch cover, insert ring, ball, spout, slider and spring, when extracting laser diode from the kneck, can keep laser diode and the complete horizontally of interface outwards to extract effectively, and then avoid making a round trip to rock or crooked lead to the plug wire to buckle or even fracture because of laser diode, ensure the safety of plug wire.

3. The DFB pigtail laser diode for OTDR transmission has reasonable design, is relatively efficient and convenient to use, and is suitable for laser generation and use.

Drawings

Fig. 1 is a schematic structural diagram of a DFB pigtailed laser diode for OTDR transmission according to the present invention;

fig. 2 is a cross-sectional view of a DFB pigtailed laser diode for OTDR transmission according to the present invention;

fig. 3 is a cross-sectional side view of a DFB pigtailed laser diode for OTDR transmission according to the present invention;

in the figure: 1. a terminal; 2. a body; 3. inserting wires; 4. a threaded sleeve; 5. rotating the plate; 6. supporting a sleeve; 7. inserting a ring; 8. a ball bearing; 9. a chute; 10. a slider; 11. a spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a DFB pigtail laser diode for OTDR transmission comprises a laser diode body, wherein the laser diode body comprises a terminal 1, a machine body 2 and a plug wire 3, the terminal 1 is installed on one side of the machine body 2, the plug wire 3 is installed on the other side of the machine body 2, a threaded sleeve 4 is sleeved on the outer side of the machine body 2, a rotating plate 5 is welded on the outer side of one side of the threaded sleeve 4, a support sleeve 6 is installed on one side of the threaded sleeve 4, an insert ring 7 is welded on the other side of the threaded sleeve 4, a ball 8 is clamped on the insert ring 7, a sliding groove 9 is formed in the other side of the machine body 2, a sliding block 10 is clamped on the inner side of the sliding groove 9, a spring 11 is installed on the inner side of the sliding groove 9, electric energy can be converted into laser through the machine body 1 and sent out through the terminal 1, and the mechanism can be conveniently produced and used.

As a preferred embodiment of the present invention, the plug wire 3 is welded on one side of the slider 10, and the slider 10 is connected to the machine body 2 through an electric wire.

As an optimized implementation mode the one end welding of spring 11 is in one side of slider 10, the other end welding of spring 11 is on the inner wall of spout 9, the quantity of spout 9, slider 10 and plug wire 3 is 3, when will installing, according to the different mode of arranging of interface, promotes slider 10 extrusion spring 11, and then makes slider 10 remove in spout 9, and slider 10 drives plug wire 3 and removes, adjusts plug wire 3's angle and position, makes the phase-match of its interface on with required mounted position, and then can adapt to different DFB equipment and use.

As a preferred embodiment of the present invention, the inner side of the threaded sleeve 4 is provided with an internal thread, the outer side of the body 2 is provided with an external thread, and the internal thread is matched with the external thread.

As a preferred embodiment of the present invention, an annular groove is provided on one side of the support sleeve 6, and the insert ring 7 is clamped inside the annular groove.

As an optimal implementation mode of the utility model, insert the inboard of ring 7 and the inboard of outside all through 8 cards at branch sleeve 6 of ball, the internal diameter of branch sleeve 6 is greater than organism 2's external diameter, when needs extract laser diode from the kneck, rotate swivel nut 4 through commentaries on classics board 5 for swivel nut 4 drives insert ring 7 and rotates in one side of branch sleeve 6 through

ball

8, and 6 cards of branch sleeve are in the outside of kneck, and swivel nut 4 outwards promotes organism 2 through the screw thread, can keep laser diode and the complete horizontally of interface outwards to extract effectively, and then avoid making a round trip to rock or crooked 3 buckles of plug wire or fracture even because of laser diode, guarantee plug wire 3's safety.

This a DFB pigtail laser diode for OTDR transmission when will installing, according to the different mode of arranging of interface, promote slider 10 extrusion spring 11, and then make slider 10 remove in spout 9, slider 10 drives plug wire 3 and removes, adjust plug wire 3's angle and position, make its and the required assorted of the interface on the mounted position, and then can adapt to different DFB equipment and use, when needs pull out laser diode from the kneck, rotate swivel nut 4 through rotor plate 5, make swivel nut 4 drive insert ring 7 rotate in one side of branch sleeve 6 through ball 8, branch sleeve 6 card is in the outside of kneck, swivel nut 4 outwards promotes organism 2 through the screw thread, can keep laser diode and the complete horizontally of interface outwards extracting effectively, and then avoid shaking or crooked lead to the plug wire 3 to buckle or even fracture because of laser diode round trip, ensure plug wire 3's safety.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A DFB pigtailed laser diode for OTDR transmission comprising a laser diode body, characterized in that: the laser diode body includes terminal (1), organism (2) and plug wire (3), one side at organism (2) is installed in terminal (1), the opposite side at organism (2) is installed in plug wire (3), the outside side cover of organism (2) is equipped with swivel nut (4), the outside side welding of one side of swivel nut (4) has changeed board (5), branch cover (6) are installed to one side of swivel nut (4), swivel nut (4) opposite side welding has insert ring (7), the card has ball (8) on insert ring (7), spout (9) have been seted up to the opposite side of organism (2), the inboard card of spout (9) has slider (10), spring (11) are installed to the inboard of spout (9).

2. A DFB pigtailed laser diode for OTDR transmission according to claim 1, characterized in that: plug wire (3) welding is in one side of slider (10), slider (10) are connected with organism (2) through the electric wire.

3. A DFB pigtailed laser diode for OTDR transmission according to claim 1, characterized in that: one end of the spring (11) is welded on one side of the sliding block (10), the other end of the spring (11) is welded on the inner wall of the sliding groove (9), and the number of the sliding groove (9), the number of the sliding block (10) and the number of the plug wires (3) are 3.

4. A DFB pigtailed laser diode for OTDR transmission according to claim 1, characterized in that: an internal thread is formed on the inner side of the threaded sleeve (4), an external thread is formed on the outer side of the machine body (2), and the internal thread is matched with the external thread.

5. A DFB pigtailed laser diode for OTDR transmission according to claim 1, characterized in that: an annular groove is formed in one side of the supporting sleeve (6), and the inserting ring (7) is clamped on the inner side of the annular groove.

6. A DFB pigtailed laser diode for OTDR transmission according to claim 1, characterized in that: the inner side and the outer side of the insert ring (7) are clamped on the inner side of the support sleeve (6) through balls (8), and the inner diameter of the support sleeve (6) is larger than the outer diameter of the machine body (2).