CN210323472U - Sealing anti-sticking liquid protective cap for optical fiber and dustproof anti-sticking optical fiber - Google Patents

Abstract

The utility model provides an optic fibre is with sealed antiseized liquid helmet and dustproof prevent mucus optic fibre, optic fibre is with sealed prevent mucus helmet include the cap shell at least, the cap shell includes that an outer peripheral face establishes screwed threaded connection end, be equipped with the taper hole to the cap shell interior along cap shell axial on threaded connection end's the terminal surface, the aperture that the taper hole is close to threaded connection end one end is greater than the aperture of keeping away from threaded connection end one end. The end face of the threaded connecting end is also provided with a sinking groove surrounding the taper hole. Preferably, the outer peripheral wall of the middle part of the cap shell is provided with a retaining wall. When disinfecting optical fiber, the optical fiber can be protected by the sealed anti-sticking liquid protective cap and the end part with the mirror surface, and the mirror surface is prevented from being damaged due to the fact that the end face of the optical fiber head is stuck with disinfectant.

Description

Sealing anti-sticking liquid protective cap for optical fiber and dustproof anti-sticking optical fiber

Technical Field

The utility model relates to a medical laser optic fibre field, concretely relates to optic fibre is with sealed antiseized liquid helmet and dustproof antiseized liquid optic fibre.

Background

For the convenience of connection, as shown in fig. 2, an optical fiber connector is usually sleeved on the outer peripheral surface of the optical fiber connector, and a thread is provided inside the optical fiber connector, so that the optical fiber can be fixed after the optical fiber connector is connected with a connector thread of the device. The optical fiber head is often provided with a stage for convenient connection and convenient positioning of the optical fiber head. However, the optical fiber head is not in accordance with the disinfection mode of the bench stage, and is usually disinfected by using low-temperature plasma hydrogen peroxide, but the optical fiber head is of a mirror surface structure and is not suitable for wiping. Therefore, a device is needed to ensure that the mirror surface structure is not contaminated by the disinfectant in the hydrogen peroxide disinfection process, so as to avoid damaging the optical fiber head with the mirror surface.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: use conventional disinfection means directly to lead to the disinfection effect relatively poor to the optic fibre disinfection, and if use antiseptic solution to carry out whole disinfection and make the mirror surface structure damage of optic fibre tip easily, influence the normal use of optic fibre, long-term placing also makes the amasss dust of mirror surface end easily moreover.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

the utility model provides a sealing anti-sticking liquid protective cap for optical fiber, which at least comprises a cap shell, wherein the cap shell comprises a threaded connection end provided with external threads on the outer peripheral surface, the threaded connection end is provided with a taper hole extending axially into the cap shell, and the inner diameter of the taper hole is gradually reduced from one end close to the threaded connection end to one end far away from the threaded connection end; the end face of the threaded connecting end is also provided with a sink groove around the taper hole; the taper hole and the sink groove have deformation capacity.

Furthermore, a blocking wall is arranged on the peripheral wall of the cap shell.

Furthermore, the cap shell is made of high-temperature plastic.

The utility model also provides a dustproof antiseized liquid optic fibre, including the sealed antiseized liquid helmet for optic fibre as above, still include optic fibre, optic fibre includes optic fibre joint chair and optical fiber splice, be equipped with the screw hole in the optic fibre joint chair, and the optic fibre joint chair cover is located the optic fibre splice outside; the optical fiber connector comprises a bench stage and an optical fiber head, the optical fiber head is fixedly connected with the bench stage, and the free end of the optical fiber head is provided with a lens end face; the threaded connecting end is matched with the threaded hole, and the sinking groove is matched with the step section; the inner diameter of one end, close to the sinking groove, of the taper hole is larger than the outer diameter of the optical fiber head, and the inner diameter of one end, far away from the sinking groove, of the taper hole is smaller than the outer diameter of the optical fiber head; the optical fiber connecting seat is fixedly connected with the optical fiber protective cap for sealing and preventing liquid from adhering to the optical fiber through threads, the optical fiber head extends into the conical hole, and the sunken groove is just in sealing fit with the step section at the position where the optical fiber head is tightly attached to the conical hole.

Furthermore, the sealing anti-mucus protective cap for the optical fiber is made of high-temperature plastic.

The design has the advantages that after the threaded connection end is in threaded connection with the optical fiber connecting seat, the sinking groove has deformation capacity, so that the platform stage and the sinking groove can be in sealing fit, and disinfectant cannot seep into the taper hole when the step section part is disinfected; similarly, the end part of the optical fiber head can be in sealing fit with the hole wall of the taper hole. Even if a small amount of disinfectant permeates into the taper hole, the disinfectant can not contact the end mirror surface of the optical fiber head, so that the end surface of the lens is protected; when the sealed anti-sticky protective cap is taken down, the optical fiber head can not be stuck with the disinfectant when the optical fiber head is pulled out because no disinfectant is stuck on the hole wall in the taper hole; or even if part of the disinfection solution permeates into the optical fiber head, when the optical fiber head is pulled out, the aperture of the taper hole at the corresponding position in the moving process of the optical fiber head is continuously increased, so that a small amount of disinfection solution on the wall of the taper hole can not be adhered to the optical fiber head, and the protection effect is further provided for the optical fiber head. Meanwhile, the protective cap can play a dustproof role when the optical fiber is not used.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of an optical fiber splice;

FIG. 3 is a schematic view of an embodiment of a dust and mucus resistant optical fiber;

description of reference numerals: 1-a cap shell, 2-a taper hole, 3-a threaded connection end, 31-a threaded hole, 4-a sink groove, 5-a blocking wall, 10-an optical fiber connection seat, 20-an optical fiber head, 21-a lens end face, 30-a stage and 31-a threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

The utility model discloses a preferred embodiment is shown in fig. 1, at least including cap shell 1, the one end of cap shell 1 is equipped with threaded connection end 3, be equipped with the screw thread on threaded connection end 3's the periphery wall. Follow on the terminal surface of threaded connection end 3 to being equipped with taper hole 2 along axial extension in the cap shell 1, the internal diameter that taper hole 2 is close to 3 one ends of threaded connection end is greater than the internal diameter of keeping away from 3 one ends of threaded connection end. Meanwhile, a sunk groove 4 surrounding the taper hole 2 is also formed in the end face of the threaded connecting end 3.

Preferably, the outer peripheral wall of the middle portion of the cap housing 1 is provided with a blocking wall 5, and the blocking wall 5 and the optical fiber connector 10 are mutually limited to provide an installation positioning function.

Preferably, the cap shell 1 is made of high-temperature plastic to withstand medical sterilization conditions.

Fig. 2 is a schematic diagram of a conventional optical fiber connector, which includes an optical fiber head 20 and a step section 30 fixedly connected to the optical fiber head 20, wherein the optical fiber head 20 has a lens end face 21 with a lens, an optical fiber socket 10 is sleeved outside the step section 30, and threads are disposed on an inner wall of the optical fiber socket 10. The threaded end 3 is adapted to the threaded hole 31, and the counter sink 4 is also adapted to the step section 30. Simultaneously, in order to make lens terminal surface 21 can be isolated with the lateral wall of optical fiber head 20 after installing sealed antiseized liquid helmet, the one end aperture that taper hole 2 is close to threaded connection end 3 is greater than the external diameter of optical fiber head 20, the one end aperture that threaded connection end 3 was kept away from to taper hole 2 is less than the external diameter of optical fiber head 20, and then make optical fiber head 20 insert behind the sealed antiseized liquid helmet for optic fibre, the tip of optical fiber head 20 can be pressed on the pore wall of taper hole 2, and then separate lens terminal surface 21 and the lateral wall of optical fiber head 20, liquid glues on lens terminal surface 21 when avoiding disinfecting.

Fig. 3 shows the schematic diagram of the dustproof and mucus-proof optical fiber, after the connection is completed, because the sinking groove 4 can deform slightly, thus form a sealing fit between the stage 30 and the sinking groove 4, the disinfection solution in the threaded hole 31 can not permeate into the taper hole 2, and at this position, the end of the optical fiber head 20 can just compress the taper hole 2, similarly, because the taper hole 2 has a certain micro-deformation capability, the optical fiber head 20 and the taper hole 2 form a sealing fit after compressing, even because the stage 30 and the sinking groove 4 do not cooperate and lead to a small amount of disinfection solution to permeate into the taper hole sufficiently, this part of disinfection solution can not flow to the position of the lens end face 21, and secondary protection is provided for the lens end face 21.

Furthermore, when the optical fiber is taken down, the disinfection solution is not arranged in the taper hole 2, so that the disinfection solution cannot be adhered to the lens end surface 21; and the aperture of the position through which the lens end face 21 passes is gradually increased in the process of pulling out the optical fiber head 20, and even if a small amount of disinfectant permeates into the taper hole 2 and adheres to the hole wall, the lens end face 21 cannot be adhered with the disinfectant in the process of pulling out the optical fiber head 20.

The optical fiber is provided with the protective cap, the sealing anti-sticking liquid protective cap for the optical fiber can provide disinfection protection for the optical fiber head, and meanwhile, the optical fiber can also provide a dustproof function, so that the optical fiber can be used in the disinfection process and can also provide protection for the optical fiber head when being placed daily.

In summary, the present invention can separate each part of the optical fiber during the disinfection process, so that when one part is disinfected, other parts will not be affected, the lens end surface 21 is protected, and the lens end surface 21 is prevented from being damaged during the disinfection process; meanwhile, in the process of taking off the cap shell 1, the aperture of the taper hole 2 at the corresponding position in the moving process of the lens end surface 21 is gradually increased, so that the disinfection solution cannot be adhered to the lens end surface 21.

In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (5)

1. The sealing anti-sticking liquid protective cap for the optical fiber is characterized by at least comprising a cap shell (1), wherein the cap shell (1) comprises a threaded connection end (3) with an external thread on the outer peripheral surface, the threaded connection end (3) is provided with a taper hole (2) extending into the cap shell (1) along the axial direction, and the inner diameter of the taper hole (2) is gradually reduced from one end close to the threaded connection end (3) to one end far away from the threaded connection end (3); the end face of the threaded connecting end (3) is also provided with a sink groove (4) surrounding the taper hole (2); the taper hole (2) and the sink groove (4) have deformation capacity.

2. A sealing and anti-sticking liquid protective cap for optical fiber according to claim 1, characterized in that a blocking wall (5) is provided on the outer peripheral wall of said cap shell (1).

3. The sealing anti-sticking liquid protective cap for optical fiber according to claim 1 or 2, characterized in that the cap shell (1) is made of high temperature plastic.

4. A dustproof anti-sticking liquid optical fiber, comprising the sealing anti-sticking liquid protective cap for the optical fiber according to claim 1 or 2, and further comprising an optical fiber, wherein the optical fiber comprises an optical fiber joint seat (10) and an optical fiber joint, a threaded hole (31) is arranged in the optical fiber joint seat (10), and the optical fiber joint seat (10) is sleeved outside the optical fiber joint; the optical fiber connector comprises a bench stage (30) and an optical fiber head (20), the optical fiber head (20) is fixedly connected with the bench stage (30), and the free end of the optical fiber head (20) is provided with a lens end face (21);

the device is characterized in that the threaded connecting end (3) is matched with the threaded hole (31), and the sinking groove (4) is matched with the platform stage (30); the inner diameter of one end, close to the sinking groove (4), of the taper hole (2) is larger than the outer diameter of the optical fiber head (20), and the inner diameter of one end, far away from the sinking groove (4), of the taper hole (2) is smaller than the outer diameter of the optical fiber head (20);

the optical fiber connecting seat (10) is fixedly connected with the optical fiber through threads of a sealing anti-sticking liquid protective cap, the optical fiber head (20) extends into the inner portion of the taper hole (2), and the sinking groove (4) is arranged at the position where the optical fiber head (20) and the taper hole (2) are tightly attached to be just in sealing fit with the platform stage (30).

5. The dustproof liquid-repellent optical fiber according to claim 4, wherein the sealing and liquid-repellent protective cap for the optical fiber is made of high-temperature plastic.

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