CN214503968U

CN214503968U - Coupling device of laser coupling optical fiber

Info

Publication number: CN214503968U
Application number: CN202121004294.7U
Authority: CN
Inventors: 陈义红; 陈义兵; 戴能利; 杨旅云; 陈少祥; 张兆伟
Original assignee: WUHAN SINTEC OPTRONICS CO Ltd
Current assignee: WUHAN SINTEC OPTRONICS CO Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-10-26
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a coupling device of laser coupling optic fibre, including the coupling casing, the surface of coupling casing has seted up the jack, and the inside fixed mounting of jack has the one end of optic fibre line, and the inside fixed mounting of jack has the connecting pipe, and the inner wall fixed mounting of connecting pipe has the stopping cover, and the inner wall of stopping cover and the surface contact of optic fibre line, and the inside sliding connection of connecting pipe has the spacing ring, the utility model discloses a coupling device of laser coupling optic fibre, button drive spacing ring move in the connecting pipe, and the spacing ring is connected with stopping cover sliding connection for the surface contact of stopping cover and optic fibre, fixes optic fibre, and the process operation of fixed optic fibre is simple and convenient quick, and is difficult to damage, and life is longer; make sealed the pad to block between jack and connecting pipe for the coupling device casing possesses waterproof function, the relative bottom plate slope of connecting pipe, thereby let water can't enter into the connecting pipe with the help of external force, further improved the waterproof performance of device.

Description

Coupling device of laser coupling optical fiber

Technical Field

The utility model relates to a coupling device, in particular to coupling device of laser instrument coupling optic fibre.

Background

The optical fiber is also called as an optical fiber, the optical fiber is a light conduction tool, the light conduction has many advantages compared with the electrical conduction, the light conduction distance in the optical fiber is long, and the loss is small, so the optical fiber is often used as an information transmission tool, the laser is a device for emitting laser, the optical fiber is connected with the laser, so that a light source is transmitted to the laser, the optical fiber and the laser are fixed through an optical fiber coupling device, the existing optical fiber coupling device has various structures, and the use is very common.

However, the currently used coupling device for coupling the laser with the optical fiber has the following disadvantages:

1. the existing optical fiber coupling device is structurally characterized in that a lock catch is in threaded connection with the device to fix an optical fiber, although the optical fiber can be fixed in the mode, the operation process is complex, the thread is easy to damage, and the service life is short.

2. In addition, in the existing optical fiber coupling device, the optical fiber and the device lack a waterproof structure, and water easily flows into the device from a gap between the optical fiber and the device, so that the device is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling device of laser instrument coupling optic fibre to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coupling device of laser instrument coupling optic fibre, includes the coupling casing, the jack has been seted up on the surface of coupling casing, the inside fixed mounting of jack has the one end of optic fibre line, the inside fixed mounting of jack has the connecting pipe, the inner wall fixed mounting of connecting pipe has the obstruction sleeve, the inner wall of obstruction sleeve with the surface contact of optic fibre line, the inside sliding connection of connecting pipe has the spacing ring, the spacing ring with obstruction sleeve sliding connection, the one end of obstruction sleeve extends to the outside and the fixed mounting of connecting pipe have the connecting rod, the one end of connecting rod extends to the outside and the fixed mounting of coupling casing have the button, the inner wall fixed mounting of connecting pipe has sealed the pad.

As a preferred technical scheme of the utility model, the spout has been seted up to the inner wall of connecting pipe, the one end fixed mounting of stopping the cover has the slider, the slider with spout sliding connection.

As a preferred technical scheme of the utility model, the guide rail has been seted up on the surface of connecting pipe, the connecting rod with guide rail sliding connection, the one end of button with connecting rod fixed mounting, the other end of button with the surface sliding connection of coupling casing.

As a preferred technical scheme of the utility model, the arresting sleeve includes outer lane and inner circle, the inner circle with the inner wall fixed mounting of outer lane, the spacing ring with inner circle sliding connection.

As a preferred technical solution of the present invention, the sealing pad is in contact with the surface of the optical fiber line.

As an optimal technical scheme of the utility model, the bottom fixed mounting of coupling casing has the bottom plate.

As an optimized technical scheme of the utility model, the connecting pipe is relative the bottom plate slope sets up, and inclination is less than 90 degrees and is greater than 45 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a coupling device of laser coupling optic fibre, through setting up the button, stop sleeve and spacing ring, press the button, the button drives the spacing ring and moves in the connecting pipe, spacing ring and stop sleeve sliding connection, make the surface contact of stop sleeve and optic fibre, fix the optic fibre, the process operation of fixed optic fibre is simple and convenient quick, and difficult to damage, life is longer;

2. the utility model relates to a coupling device of laser instrument coupling optic fibre, through setting up the connecting pipe of sealed pad and slope for sealed pad blocks between jack and connecting pipe, makes the coupling device casing possess waterproof function, and the relative bottom plate of connecting pipe slopes, thereby lets water can't enter into the connecting pipe with the help of not external force, has further improved the waterproof performance of device.

Drawings

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

FIG. 2 is a schematic view of the structure of the connecting tube of the present invention;

fig. 3 is a cross-sectional view of the internal structure of the coupling housing of the present invention.

In the figure: 1. a coupling housing; 2. a jack; 3. an optical fiber line; 4. a connecting pipe; 5. a blocking sleeve; 51. an outer ring; 52. an inner ring; 6. a limiting ring; 7. a connecting rod; 8. a button; 9. a gasket; 10. a chute; 11. a slider; 12. a guide rail; 13. a base plate.

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.

The first embodiment is as follows:

as shown in fig. 1, the utility model provides a coupling device of laser coupling optical fiber, which comprises a coupling shell 1, a jack 2 is arranged on the surface of the coupling shell 1, one end of an optical fiber 3 is fixedly arranged in the jack 2, a connecting pipe 4 is fixedly arranged in the jack 2, a stopping sleeve 5 is fixedly arranged on the inner wall of the connecting pipe 4, the inner wall of the stopping sleeve 5 is contacted with the surface of the optical fiber 3, a limiting ring 6 is slidably connected in the connecting pipe 4, the limiting ring 6 is slidably connected with the stopping sleeve 5, one end of the stopping sleeve 5 extends to the outside of the connecting pipe 4 and is fixedly provided with a connecting rod 7, one end of the connecting rod 7 extends to the outside of the coupling shell 1 and is fixedly provided with a button 8, a sealing gasket 9 is fixedly arranged on the inner wall of the connecting pipe 4, the stopping sleeve 5 and the limiting ring 6 are arranged by arranging the button 8, the button 8 is pressed, the button 8 drives the limiting ring 6 to move in the connecting pipe 4, the limiting ring 6 is connected with the blocking sleeve 5 in a sliding mode, the blocking sleeve 5 is in contact with the surface of the optical fiber, the optical fiber is fixed, the process of fixing the optical fiber is simple, convenient and quick to operate and not prone to damage, the service life is longer, the button 8 is pressed and moves towards the inside of the coupling shell 1, the connecting rod 7 is driven to move, the connecting rod 7 is provided with the limiting ring 6 to move, and the limiting ring 6 is connected with the blocking sleeve 5 in a sliding mode.

During the specific use, at first press button 8, button 8's one end moves to coupling casing 1 inside, button 8 drives connecting rod 7 and moves, connecting rod 7 takes spacing ring 6 to move, spacing ring 6 and stopping sleeve 5 sliding connection, then insert optic fibre line 3 in jack 2 and connecting pipe 4, loosen button 8, stopping sleeve 5 with the fixed surface of optic fibre line 3, make optic fibre line 3 fix in the inside of connecting pipe 4, sealed pad 9 contacts with the surface of optic fibre line 3, thereby water that has blockked the device outside has got into in the device from the clearance between connecting pipe 4 and the jack 2.

Example two:

as shown in fig. 2 and 3, a sliding groove 10 is formed on the inner wall of the connecting pipe 4, a sliding block 11 is fixedly installed at one end of the blocking sleeve 5, the sliding block 11 is slidably connected with the sliding groove 10, a guide rail 12 is formed on the surface of the connecting pipe 4, the connecting rod 7 is slidably connected with the guide rail 12, one end of the button 8 is fixedly installed with the connecting rod 7, the other end of the button 8 is slidably connected with the surface of the coupling housing 1, the blocking sleeve 5 comprises an outer ring 51 and an inner ring 52, the inner ring 52 is fixedly installed with the inner wall of the outer ring 51, the limiting ring 6 is slidably connected with the inner ring 52, the sealing gasket 9 is in contact with the surface of the optical fiber 3, a bottom plate 13 is fixedly installed at the bottom of the coupling housing 1, the connecting pipe 4 is obliquely arranged relative to the bottom plate 13, the inclination angle is smaller than 90 degrees and larger than 45 degrees, the sealing gasket 9 and the oblique connecting pipe 4 are arranged, so that the sealing gasket 9 is blocked between the jack 2 and the connecting pipe 4, and the coupling housing has a waterproof function, the connecting pipe 4 inclines relative to the bottom plate 13, so that water cannot enter the connecting pipe 4 without the help of external force, the waterproof performance of the device is further improved, the sliding block 11 slides in the sliding groove 10, the moving direction of the blocking sleeve 5 is limited, the blocking sleeve 5 is prevented from deviating from the inner wall of the connecting pipe 4, the guide rail 12 is used for limiting the moving direction of the connecting rod 7, the outer surface of the outer ring 51 is fixedly installed with the inner wall of the connecting pipe 4, the inner ring 52 is a metal sheet capable of being elastically restored, the limiting ring 6 drives the inner ring 52 to move, the inner ring 52 is bent, as the inclination angle of the connecting pipe 4 is smaller than 90 degrees and larger than 45 degrees, water cannot flow into the connecting pipe 4 by virtue of self gravity, and the waterproof performance of the device is improved.

During the specific use, press button 8, button 8 drives connecting rod 7 and removes in guide rail 12, connecting rod 7 drives spacing ring 6 and removes, spacing ring 6 drives slider 11 and removes in spout 10, spacing ring 6 and inner circle 52 contact, make the inner circle 52 crooked, loosen button 8, inner circle 52 reconversion fixes optic fibre line 3 in connecting pipe 4, bottom plate 13 is used for the bottom of sealed coupling casing 1, connecting pipe 4 inclination is less than 90 degrees and is greater than 45 degrees, water can't rely on self gravity to flow in connecting pipe 4.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The coupling device of the laser coupling optical fiber comprises a coupling shell (1) and is characterized in that a jack (2) is formed in the surface of the coupling shell (1), one end of an optical fiber wire (3) is fixedly mounted inside the jack (2), a connecting pipe (4) is fixedly mounted inside the jack (2), a blocking sleeve (5) is fixedly mounted on the inner wall of the connecting pipe (4), the inner wall of the blocking sleeve (5) is in contact with the surface of the optical fiber wire (3), a limiting ring (6) is connected inside the connecting pipe (4) in a sliding manner, the limiting ring (6) is connected with the blocking sleeve (5) in a sliding manner, one end of the blocking sleeve (5) extends to the outside of the connecting pipe (4) and is fixedly provided with a connecting rod (7), one end of the connecting rod (7) extends to the outside of the coupling shell (1) and is fixedly provided with a button (8), and a sealing gasket (9) is fixedly arranged on the inner wall of the connecting pipe (4).

2. The coupling device of claim 1, wherein: the inner wall of the connecting pipe (4) is provided with a sliding groove (10), one end of the stopping sleeve (5) is fixedly provided with a sliding block (11), and the sliding block (11) is in sliding connection with the sliding groove (10).

3. The coupling device of claim 1, wherein: guide rail (12) have been seted up on the surface of connecting pipe (4), connecting rod (7) with guide rail (12) sliding connection, the one end of button (8) with connecting rod (7) fixed mounting, the other end of button (8) with the surface sliding connection of coupling casing (1).

4. The coupling device of claim 1, wherein: the stopping sleeve (5) comprises an outer ring (51) and an inner ring (52), the inner ring (52) and the inner wall of the outer ring (51) are fixedly installed, and the limiting ring (6) is connected with the inner ring (52) in a sliding mode.

5. The coupling device of claim 1, wherein: the sealing gasket (9) is in contact with the surface of the optical fiber wire (3).

6. The coupling device of claim 1, wherein: and a bottom plate (13) is fixedly arranged at the bottom of the coupling shell (1).

7. The coupling device of claim 6, wherein: the connecting pipe (4) is obliquely arranged relative to the bottom plate (13), and the inclination angle is smaller than 90 degrees and larger than 45 degrees.