CN214750935U

CN214750935U - Optical fiber contact pin collimator assembly

Info

Publication number: CN214750935U
Application number: CN202120659523.2U
Authority: CN
Inventors: 翟海峰; 周永华; 付德康; 龚国星
Original assignee: Nantong Zhongrui Communication Technology Co ltd
Current assignee: Nantong Zhongrui Communication Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-16
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an optical fiber pin collimator assembly, which comprises an assembly body, wherein the assembly body comprises a pin assembly base, a ceramic ferrule, a ceramic sleeve, a pin assembly front cover and a C-lens sleeve, a first step hole, a second step hole and a third step hole are sequentially arranged in the pin assembly base from left to right, an outer circular boss, a flat position and an embedding position are fixedly arranged outside the pin assembly base, the ceramic ferrule is fixedly arranged in the second step hole, the ceramic ferrule is sleeved outside the ceramic ferrule, the bottom of the ceramic sleeve is fixedly connected with the inside of the third step hole, the optical fiber pin collimator assembly of the utility model is simple and convenient when the assembly body is manufactured and assembled, the production efficiency of the assembly body is improved, the ceramic ferrule is coaxially arranged with an optical axis, and the assembly body can be directly connected with an optical interface through an optical fiber jumper, the use is convenient, the instrument is a precision mechanical processing piece, and the precision of a finished product reaches the micron level.

Description

Optical fiber contact pin collimator assembly

Technical Field

The utility model relates to an optical fiber contact pin collimater subassembly technical field specifically is an optical fiber contact pin collimater subassembly.

Background

The general process of the existing optical fiber collimator assembly manufacturing process is as follows: the collimator assembling process is discrete coupling assembling, namely an optical fiber capillary tube and a C-lens are fixed through a clamp, a light source is connected to one end of a tail fiber of the optical fiber capillary tube, the spatial position of the C-lens and the optical fiber capillary tube is adjusted through an optical adjusting frame, light incident from the optical fiber capillary tube is transmitted to another optical fiber collimator through the C-lens to be received, the relative positions of the parts are adjusted, the insertion loss of the light entering the incident light, which is transmitted to an optical power meter after passing through a light path, is minimized, the optical fiber capillary tube and the C-lens are fixed through a glass sleeve, and the assembling is completed after the bonding and fixing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical fiber contact pin collimator subassembly to current optical fiber contact pin collimator subassembly that proposes in solving above-mentioned background art is comparatively loaded down with trivial details, and the equipment needs to align, wastes time and energy, reduces the production efficiency's of optical fiber collimator subassembly problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optic fibre contact pin collimater subassembly, includes the subassembly body, the subassembly body includes contact pin subassembly base, ceramic lock pin, ceramic sleeve, contact pin subassembly protecgulum and C-lens sleeve, first step hole, second step hole and third step hole have from left to right been seted up in proper order to the inside of contact pin subassembly base, the outside of contact pin subassembly base is fixed and is provided with excircle abrupt platform, flat position and inlays the position, the inside fixed mounting in second step hole has ceramic lock pin, the outside cover of ceramic lock pin is equipped with ceramic sleeve, the inside fixed connection in ceramic sleeve's bottom and third step hole, one side of contact pin subassembly base inlays and is equipped with the contact pin subassembly protecgulum, the inside fixed mounting in first step hole has C-lens sleeve, one side fixed connection of C-lens sleeve and ceramic lock pin.

As an optimized technical scheme of the utility model, C-lens telescopic one end sets up to circular-arc, C-lens telescopic other end sets up to the linearity, perhaps C-lens telescopic other end slope sets up.

As an optimized technical scheme of the utility model, the one end of pottery lock pin sets up to the PC face, the other end of pottery lock pin sets up to the APC face.

As an optimal technical scheme of the utility model, the other end of pottery lock pin and the inside fixed connection in second step hole, the one end fixed connection of the other end of ceramic sleeve and pottery lock pin.

As an optimal technical scheme of the utility model, flat position has been seted up at the middle part of excircle abrupt platform inner wall, the other end of pottery lock pin sets up with the bottom of flat position perpendicularly.

Compared with the prior art, the beneficial effects of the utility model are that: the subassembly body is simple and convenient when making the equipment, improves the production efficiency of subassembly body, and the ceramic lock pin sets up with the optical axis is coaxial, accessible optic fibre wire jumper and optical interface lug connection when the subassembly body uses, facilitates the use, and the instrument is accurate machined part, and the finished product precision reaches the micron order.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. a pin assembly base; 2. a ceramic ferrule; 3. a ceramic sleeve; 4. a pin assembly front cover; 5. a C-lens sleeve; 6. an assembly body; 7. a first stepped bore; 8. a second stepped bore; 9. a third stepped bore; 10. an outer circular boss; 11. flattening; 12. and (5) embedding positions.

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. 1-2, the present invention provides an optical fiber ferrule collimator assembly, which comprises an assembly body 6, wherein the assembly body 6 comprises a ferrule assembly base 1, a ferrule 2, a ferrule 3, a ferrule assembly front cover 4 and a C-lens sleeve 5, a first step hole 7, a second step hole 8 and a third step hole 9 are sequentially formed in the ferrule assembly base 1 from left to right, an outer circular boss 10, a flat position 11 and an embedding position 12 are fixedly arranged on the outer side of the ferrule assembly base 1, the ferrule 2 is fixedly arranged in the second step hole 8, the ferrule 3 is sleeved on the outer side of the ferrule 2, the bottom of the ferrule 3 is fixedly connected with the inner part of the third step hole 9, a ferrule assembly front cover 4 is embedded on one side of the ferrule assembly base 1, the C-lens sleeve 5 is fixedly arranged in the first step hole 7, one side of the C-lens sleeve 5 is fixedly connected with one side of the ferrule 2, the pin assembly base 1 and the pin assembly front cover 4 are precision mechanical workpieces, the precision of finished products reaches micron level, and the pin assembly base 1 and the pin assembly front cover 4 are used for connecting various optical components and ensuring the structure and the optical performance, and optical interfaces formed by the C-lens sleeve 5, the pin assembly base 1, the ceramic ferrule 2, the ceramic sleeve 3 and the pin assembly front cover 4 are of mutually matched structures, and can be of LC type or SC type, FC type, ST type and other structures.

Preferably, one end of the C-lens sleeve 5 is set to be circular-arc-shaped, and the other end of the C-lens sleeve 5 is set to be linear, or the other end of the C-lens sleeve 5 is set to be inclined, so that the right end surface inclined plane of the C-lens sleeve 5 is parallel to the left end surface of the ferrule 2, or the right end surface plane of the C-lens sleeve 5 is disposed to correspond to the inclined plane of the ferrule 2.

Preferably, one end of the ceramic ferrule 2 is set as a PC surface, the other end of the ceramic ferrule 2 is set as an APC surface, the ceramic ferrule 2 is a precise-structure ceramic part, and the precision of a finished product reaches a submicron level and is used for realizing physical butt joint of optical fibers and ensuring transmission performance.

Preferably, the other end of the ferrule 2 is fixedly connected with the inside of the second stepped hole 8, the other end of the ferrule 3 is fixedly connected with one end of the ferrule 2, and the ferrule 2 is coaxially arranged with the optical axis.

Preferably, the flat position 11 is opened at the middle part of the inner wall of the outer circular boss 10, the other end of the ferrule 2 is perpendicular to the bottom of the flat position 11, the left end face of the ferrule 2 is an inclined face facing to the left lower side, and the included angle between the left end face of the ferrule 2 and the perpendicular direction is six to eight degrees.

When the optical fiber contact pin collimator assembly is used, collimated light incident at the left end of the assembly body 6 is converged through Lens, converged light emitted from the Lens end is converged into optical fibers in the ceramic contact pin to be transmitted through the contact pin assembly base 1 and the ceramic insert core 2, and the incident light is led out through a general optical port structure consisting of the ceramic sleeve 3 and the contact pin assembly front cover 4 and an external optical fiber jumper wire; or vice versa, the light incident at the right end of the assembly body 6 is inserted into an optical interface consisting of the ferrule 3, the ferrule 2 and the ferrule assembly front cover 4 through an external optical fiber jumper, the incident light is emitted to Lens through the left end face of the ferrule 2 and is converted into collimated light to be emitted after passing through the Lens, the finished product precision of the ferrule 2 reaches submicron level for realizing the physical butt joint of optical fibers and ensuring the transmission precision of the device, the ferrule 2 is coaxially arranged with an optical axis, the left end face of the ferrule 2 is an inclined face facing to the lower left, the included angle between the left end face of the ferrule 2 and the vertical direction is six to eight degrees, the right end face inclined face of the C-Lens sleeve 5 is parallel to the left end face of the ferrule 2, or the right end face plane of the C-Lens sleeve 5 is correspondingly placed with the inclined face of the ferrule 2, the ferrule assembly base 1 and the ferrule assembly front cover 4 are precision mechanical workpieces, the precision of the finished product reaches the micron level, and the method is used for connecting various optical components and ensuring the structure and the optical performance.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An optical fiber stub collimator assembly, includes subassembly body (6), its characterized in that: the pin assembly comprises an assembly body (6) and is characterized in that the assembly body (6) comprises a pin assembly base (1), a ceramic ferrule (2), a ceramic sleeve (3), a pin assembly front cover (4) and a C-lens sleeve (5), a first step hole (7), a second step hole (8) and a third step hole (9) are sequentially formed in the pin assembly base (1) from left to right, an outer circular boss (10), a flat position (11) and an embedding position (12) are fixedly arranged on the outer side of the pin assembly base (1), the ceramic ferrule (2) is fixedly installed in the second step hole (8), the ceramic sleeve (3) is sleeved on the outer side of the ceramic ferrule (2), the bottom of the ceramic sleeve (3) is fixedly connected with the inner part of the third step hole (9), the pin assembly front cover (4) is embedded in one side of the pin assembly base (1), the C-lens sleeve (5) is fixedly installed in the inner part of the first step hole (7), one side of the C-lens sleeve (5) is fixedly connected with one side of the ceramic ferrule (2).

2. A fiber stub collimator assembly as claimed in claim 1 wherein: one end of the C-lens sleeve (5) is arc-shaped, and the other end of the C-lens sleeve (5) is linear or the other end of the C-lens sleeve (5) is inclined.

3. A fiber stub collimator assembly as claimed in claim 1 wherein: one end of the ceramic ferrule (2) is set to be a PC surface, and the other end of the ceramic ferrule (2) is set to be an APC surface.

4. A fiber stub collimator assembly as claimed in claim 1 wherein: the other end of the ceramic ferrule (2) is fixedly connected with the inside of the second stepped hole (8), and the other end of the ceramic sleeve (3) is fixedly connected with one end of the ceramic ferrule (2).

5. A fiber stub collimator assembly as claimed in claim 1 wherein: the middle part of the inner wall of the outer circular boss (10) is provided with a flat position (11), and the other end of the ceramic ferrule (2) is perpendicular to the bottom of the flat position (11).