CN214375407U

CN214375407U - Optical fiber coupler

Info

Publication number: CN214375407U
Application number: CN202120497759.0U
Authority: CN
Inventors: 杨文平; 张高祥; 刘宁
Original assignee: Henan Shanding Communication Technology Co ltd
Current assignee: Henan Shanding Communication Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-08
Anticipated expiration: 2031-03-09

Abstract

The embodiment of the utility model relates to coupler technical field, concretely relates to fiber coupler, include the casing, be located the end cover at both ends about the casing, be located just make on the end cover the inside through-hole of being connected with the external world of casing, be located in the casing and with the switching body of casing internal surface fixed connection, be located both ends just are used for placing the standing groove of light about the switching body, still including being located the position of through-hole just is used for the adjustment mechanism of fixed different diameter optic fibre, is located the heat dissipation layer of switching body surface, be located the surface on heat dissipation layer just makes the switching body with the shock-absorbing layer that the casing is fixed, the beneficial effects of the embodiment of the utility model are that: the utility model discloses adjustment mechanism's setting is convenient for be applicable to not unidimensional optic fibre, and application range is wide, and the setting of buffer layer avoids external vibrations to lead to the optical fiber connection department pine to take off, guarantees the stability of connecting, and easy dismounting, improves work efficiency.

Description

Optical fiber coupler

Technical Field

The utility model relates to a coupler technical field, concretely relates to optical fiber coupler.

Background

The optical fiber coupler is a device for detachable (movable) connection between optical fibers, and is characterized in that two end faces of the optical fibers are precisely butted together, so that light energy output by a transmitting optical fiber can be coupled into a receiving optical fiber to the maximum extent, and the optical fiber is intervened in an optical link to minimize the influence on a system, different optical fibers are different in thickness, if the diameter of each optical fiber is slightly larger than the inlet of a sealing end of a shell, the optical fiber cannot be placed and the end of the optical fiber is damaged, the optical fiber cannot stably realize energy coupling, if the optical fiber with a smaller diameter is inserted, the coupling degree of energy between the input optical fiber and the output optical fiber is also influenced, in addition, the existing optical fiber coupler lacks of an anti-seismic device, the optical fiber coupler is easy to shake when being impacted, and when the shaking amplitude is larger, components in the optical fiber coupler are easy to misplace or even break, thus reducing the stability of use of the optical fiber coupler, and therefore, there is a need for an optical fiber coupler that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an embodiment of the present invention provides an optical fiber coupler.

The purpose of the utility model is realized like this:

the utility model provides an optical fiber coupler, includes the casing, is located the end cover at both ends about the casing, be located just make on the end cover the casing is inside with external through-hole of being connected, be located in the casing and with the switching body of casing internal surface fixed connection, be located both ends just are used for placing the standing groove of light about the switching body, still including being located the position of through-hole and the adjustment mechanism who is used for fixed different diameter optic fibre, be located the heat dissipation layer of switching body surface, be located the surface on heat dissipation layer just makes the switching body with the shock-absorbing layer that the casing is fixed, adjustment mechanism is including being located the first regulation body of through-hole top, being located the below of first regulation body and with the second regulation body that first regulation body symmetry set up, first regulation body with second regulation body combined action makes optic fibre fixed.

Preferably, the first adjusting body comprises a first connecting plate located in the horizontal direction, a first screw rod penetrating through the first connecting plate and in threaded connection with the first connecting plate, a first bearing seat connected with the bottom of the first screw rod, and first fixing bodies located on the left side and the right side of the first connecting plate and moving synchronously with the first connecting plate in the vertical direction, and the lower surface of the first bearing seat is fixedly connected with the upper surface of the housing.

Preferably, the number of the first fixing bodies is two, the two first fixing bodies are respectively fixedly connected with the left side and the right side of the first connecting plate, and the bottom of each first fixing body is located in the through hole and used for fixing the optical fiber.

Preferably, the first fixing body includes a first connecting rod fixedly connected to the lower surface of the first connecting plate and located in the vertical direction, a first annular plate fixedly connected to the bottom of the first connecting rod, and a first pressing plate connected to the lower surface of the first annular plate through the first spring, and the first annular plate, the first spring, and the first pressing plate are located in the through hole.

Preferably, the second adjusting body comprises a second connecting plate located in the horizontal direction, a second screw rod penetrating through the second connecting plate and in threaded connection with the second connecting plate, a second bearing seat connected with the top of the second screw rod, and second fixing bodies located on the left and right sides of the second connecting plate and moving synchronously with the second connecting plate in the vertical direction, and the upper surface of the second bearing seat is fixedly connected with the lower surface of the shell.

Preferably, the number of the second fixing bodies is two, the two second fixing bodies are respectively fixedly connected with the left side and the right side of the second connecting plate, the second fixing bodies and the first fixing bodies are symmetrically arranged, the top of the second fixing body is located in the through hole, and the first fixing body and the second fixing body jointly fix the optical fiber.

Preferably, the second fixing body comprises a second connecting rod fixedly connected with the upper surface of the second connecting plate and located in the vertical direction, a second annular plate fixedly connected with the top of the second connecting plate, and a second extrusion plate connected with the upper surface of the second annular plate through a second spring, wherein the second annular plate, the second spring and the second extrusion plate are located in the through hole, the first extrusion plate and the second extrusion plate are symmetrically arranged, and the first annular plate and the second annular plate are symmetrically arranged.

The utility model discloses beneficial effect does: the utility model discloses adjustment mechanism's setting is convenient for be applicable to not unidimensional optic fibre, and application range is wide, and the setting of buffer layer avoids external vibrations to lead to the optical fiber connection department pine to take off, guarantees the stability of connecting, and easy dismounting, improves work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic structural diagram of the first adjustment body of the present invention;

fig. 4 is a schematic structural view of a second adjustment body of the present invention;

FIG. 5 is a schematic structural view of the A-direction adjustment mechanism;

in the figure: the heat absorption device comprises a shell 1, an end cover 2, an adapter body 3, a heat absorption layer 4, a through hole 5, a placing groove 6, an adjusting mechanism 7, a first adjusting body 8, a second adjusting body 9, a damping layer 10, a first connecting plate 11, a first fixing body 12, a first screw 13, a first bearing seat 14, a first connecting rod 15, a first annular plate 16, a first spring 17, a first extrusion plate 18, a second connecting plate 19, a second fixing body 20, a second screw 21, a second bearing seat 22, a second connecting rod 23, a second annular plate 24, a second spring 25 and a second extrusion plate 26.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, an optical fiber coupler includes a housing 1, end caps 2 at left and right ends of the housing 1, through holes 5 on the end caps 2 and connecting the inside of the housing 1 with the outside, an adapter body 3 in the housing 1 and fixedly connected to the inner surface of the housing 1, two placement grooves 6 at left and right ends of the adapter body 3 and used for placing light, the two placement grooves 6 being respectively located at left and right sides of the adapter body 3 and used for inserting optical fibers, an adjusting mechanism 7 at the position of the through holes 5 and used for fixing optical fibers of different diameters, a heat dissipation layer 4 located on the outer surface of the adapter body 3, a shock absorption layer 10 located on the outer surface of the heat dissipation layer 4 and used for fixing the adapter body 3 and the housing 1, the shock absorption layer 10 and the heat absorption layer 4 can wrap and fix the adapter body 3 in the housing 1, avoid external vibrations to lead to the optical fiber connection department pine to take off, guarantee the stability of connection, and easy dismounting, improve work efficiency, adjustment mechanism 7 sets up two, and two adjustment mechanism 7 are located the through-hole 5 of the left and right sides of casing 1 respectively and are used for the fixed optic fibre that gets into in casing 1 and the optic fibre of output casing 1, adjustment mechanism 7 is including being located the first regulating body 8 of through-hole top, being located the below of first regulating body 8 and with the second regulating body 9 that the symmetry of first regulating body 8 set up, first regulating body 8 with the second regulating body 9 combined action makes optic fibre fixed, and adjustment mechanism 7's setting is convenient for be applicable to not unidimensional optic fibre, and application range is wide.

First regulating body 8 is including the first connecting plate 11 that is located the horizontal direction, pass first connecting plate 11 and with first connecting plate 11 threaded connection's first screw rod 13, with first bearing 14 that the bottom of first screw rod 13 is connected, be located the left and right sides of first connecting plate 11 and with first connecting plate 11 is at vertical direction synchronous movement's first fixed body 12, first bearing 14's lower surface with the last fixed surface of casing 1 is connected, first fixed body 12 sets up two, two first fixed body 12 respectively with the left and right sides fixed connection of first connecting plate 11, the bottom of first fixed body 12 is located be used for fixed optic fibre in through-hole 5. The first fixing body 12 includes a first connecting rod 15 fixedly connected to the lower surface of the first connecting plate 11 and located in the vertical direction, a first annular plate 16 fixedly connected to the bottom of the first connecting rod 15, a first pressing plate 18 connected to the lower surface of the first annular plate 16 by the first spring 17, the first annular plate 16, the first spring 17 and the first extrusion plate 18 are all positioned in the through hole 5, a first hole for the first connecting rod 15 to pass through is formed in the shell 1 and the end cover 2, the first connecting rod 15 moves up and down in the first hole, when it is necessary to adjust the positions of the first annular plate 16 and the first compression plate 18 in the vertical direction, the first bolts 13 are screwed clockwise or counterclockwise, since the first connecting rods 15 are provided in two, the first connecting plate 11 is moved in the vertical direction with respect to the first bolt, that is, the positions of the first annular plate 16 and the second pressing plate 18 in the vertical direction are adjusted.

The second adjusting body 9 includes a second connecting plate 19 located in the horizontal direction, a second screw 21 passing through the second connecting plate 19 and in threaded connection with the second connecting plate 19, a second bearing seat 22 connected to the top of the second screw 21, and second fixing bodies 20 located on the left and right sides of the second connecting plate 19 and moving synchronously with the second connecting plate 19 in the vertical direction, and the upper surface of the second bearing seat 22 is fixedly connected to the lower surface of the housing 1. The number of the second fixing bodies 20 is two, the two second fixing bodies 20 are respectively fixedly connected with the left side and the right side of the second connecting plate 19, the second fixing bodies 20 and the first fixing bodies 12 are symmetrically arranged, the top of the second fixing bodies 20 is located in the through hole 5, and the first fixing bodies 12 and the second fixing bodies 20 jointly fix the optical fibers. The second fixing body 20 includes a second connecting rod 23 fixedly connected to the upper surface of the second connecting plate 19 and located in the vertical direction, a second annular plate 23 fixedly connected to the top of the second connecting plate 19, and a second pressing plate 26 connected to the upper surface of the second annular plate 23 through a second spring 24, the second annular plate 24, a second spring 25, and the second pressing plate 26 are all located in the through hole 5, the first pressing plate 18 and the second pressing plate 26 are symmetrically disposed, the first annular plate 16 and the second annular plate 24 are symmetrically disposed, the housing 1 and the end cap 2 are provided with a second opening through which the second connecting rod 19 passes, the second connecting rod 19 moves up and down in the second opening, when the positions of the second annular plate 24 and the first pressing plate 26 in the vertical direction need to be adjusted, the second bolt 21 is screwed clockwise or counterclockwise, and the number of the second connecting rods 23 is two, the second connecting plate 19 is moved in the vertical direction with respect to the second bolt 21, that is, the positions of the second annular plate 24 and the second pressing plate 26 in the vertical direction are adjusted, so that the second pressing plate 26 and the first pressing plate 18 press and fix the optical fiber.

The utility model discloses adjustment mechanism's setting is convenient for be applicable to not unidimensional optic fibre, and application range is wide, and the setting of buffer layer avoids external vibrations to lead to the optical fiber connection department pine to take off, guarantees the stability of connecting, and easy dismounting, improves work efficiency.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. The utility model provides an optical fiber coupler, includes the casing, is located the end cover at both ends about the casing, be located on the end cover and make the inside through-hole of being connected with the external world of casing, be located in the casing and with the adapter body of casing internal surface fixed connection, be located both ends just are used for placing the standing groove of light about the adapter body, its characterized in that: still including being located the position of through-hole and be used for fixed different diameter optic fibre adjustment mechanism, be located the heat dissipation layer on adaptor body surface, be located the surface on heat dissipation layer just makes the adaptor body with the shock-absorbing layer that the casing is fixed, adjustment mechanism is including being located the first regulation body of through-hole top, being located the below of first regulation body and with the second regulation body that first regulation body symmetry set up, first regulation body with the second regulation body combined action makes optic fibre fixed.

2. The fiber optic coupler of claim 1, wherein: the first adjusting body comprises a first connecting plate located in the horizontal direction, a first screw rod penetrating through the first connecting plate and in threaded connection with the first connecting plate, a first bearing seat connected with the bottom of the first screw rod, and first fixing bodies located on the left side and the right side of the first connecting plate and moving synchronously with the first connecting plate in the vertical direction, and the lower surface of the first bearing seat is fixedly connected with the upper surface of the shell.

3. The fiber optic coupler of claim 2, wherein: the first fixing bodies are arranged in two numbers, the two first fixing bodies are fixedly connected with the left side and the right side of the first connecting plate respectively, and the bottoms of the first fixing bodies are located in the through holes and used for fixing optical fibers.

4. The fiber optic coupler of claim 3, wherein: the first fixing body comprises a first connecting rod, a first annular plate and a first extrusion plate, wherein the first connecting rod is fixedly connected with the lower surface of the first connecting plate and is located in the vertical direction, the first annular plate is fixedly connected with the bottom of the first connecting rod, the first extrusion plate is connected with the lower surface of the first annular plate through a first spring, and the first annular plate, the first spring and the first extrusion plate are located in the through hole.

5. The fiber optic coupler of claim 4, wherein: the second adjusting body comprises a second connecting plate located in the horizontal direction, a second screw rod penetrating through the second connecting plate and in threaded connection with the second connecting plate, a second bearing seat connected with the top of the second screw rod, and second fixing bodies located on the left side and the right side of the second connecting plate and moving synchronously with the second connecting plate in the vertical direction, and the upper surface of the second bearing seat is fixedly connected with the lower surface of the shell.

6. The fiber optic coupler of claim 5, wherein: the second fixing bodies are arranged in two numbers, the two second fixing bodies are fixedly connected with the left side and the right side of the second connecting plate respectively, the second fixing bodies and the first fixing bodies are symmetrically arranged, the tops of the second fixing bodies are located in the through holes, and the first fixing bodies and the second fixing bodies jointly fix the optical fibers.

7. The fiber optic coupler of claim 6, wherein: the second fixed body include with the upper surface fixed connection of second connecting plate and be located vertical direction the second connecting rod, with the top fixed connection's of second connecting plate second annular slab, with the upper surface of second annular slab passes through second spring connection's second stripper plate, second annular slab, second spring and second stripper plate all are located the through-hole, first stripper plate with second stripper plate symmetry sets up, first annular slab with second annular slab symmetry sets up.