Plasma torch optical fiber prefabricated member

Abstract

The utility model belongs to the field of optical fiber production, and discloses a plasma torch optical fiber prefabricated part which comprises a fixing ring, a push rod in threaded connection with an inner ring of the fixing ring, the push rod contracts from one end to the other end, supporting rods abut against the outer wall of the contracted end of the push rod, the supporting rods are annularly arrayed on a limiting ring, and the supporting rods are in sliding connection with the limiting ring. The other end of the supporting rod abuts against an anti-skid sleeve, the anti-skid sleeve is fixedly connected to the inner wall of the prefabricated rod and provided with a groove, the groove is in a regular octagon shape, the prefabricated rod comprises two parts, the upper part of the prefabricated rod is an equal-diameter glass rod, the lower part of the prefabricated rod is a variable-diameter glass rod, and the inner walls of the two parts are each provided with a groove. The push rod is arranged to abut against the supporting rod, so that sliding of the supporting rod is achieved, the anti-skid sleeve is fixed, the problem that the preform falls off due to heating in the wire drawing process is solved, and the dynamic fixing effect is achieved.

Description

TECHNICAL FIELD

[0001] The present disclosure belongs to the field of optical fiber production, and particularly relates to a kind of plasma torch optical fiber preform. BACKGROUND

[0002] Optical fiber preform is a component of optical cable, which can protect optical fiber from damage and external interference. When using optical fiber preform to produce optical fiber by drawing, it needs to be heated and drawn. Since the preform is made of glass, the fixed part of the preform at the upper end will slightly melt during heating, causing unstable fixation and leading to the preform falling off and unable to draw.

[0003] Therefore, it is desirable to optimize and improve the existing preform to adapt to the fixation of production personnel during drawing to achieve dynamic fixation. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the purpose of the present disclosure is to provide a kind of plasma torch optical fiber preform, which solves the fixation of the preform in the background art and achieves the effect of dynamically fixing the preform.

[0005] The purpose of the present disclosure can be achieved by the following technical solutions:

[0006] A kind of plasma torch optical fiber preform, comprising: a fixed ring, a push rod is screw connected in the fixed ring, the push rod is shrunk from one end to the other end, the outer wall of the push rod shrink end is abutted with a support rod, the support rod is arranged in an annular array on a limiting ring, the support rod is slidably connected with the limiting ring, the other end of the support rod is abutted with an anti-skid sleeve, and the anti-skid sleeve is fixedly connected to the inner wall of the preform rod.

[0007] In some disclosures, the inner wall of the preform rod is provided with a slot, and the slot is a regular octagon.

[0008] In some disclosures, the preform rod includes two parts, the upper part of the preform rod is an equal-diameter glass rod, and the lower part is a variable-diameter glass rod, and the inner walls of the two parts are provided with slots.

[0009] In some disclosures, the lower surface of the fixed ring is fixedly connected with an extension rod, and the movable end of the extension rod is fixedly connected with the preform rod.

[0010] In some disclosures, the push rod is fixedly connected with a rotating block at the end away from the slot.

[0011] In some disclosures, the limiting ring and the anti-skid sleeve are fixedly connected through a connecting rod.

[0012] In some disclosures, the anti-skid sleeve is made of soft silicone material and has the same shape as the slot.

[0013] In some disclosures, a limiting sleeve is arranged on the outer wall of the upper part of the preform, the limiting sleeve is contracted from one side to the other side, and the inner wall of the limiting sleeve abuts against the preform.

[0014] Fixed connection refers to the connection of parts or components after being fixed without any relative movement;

[0015] Rotary connection refers to the connection between parts that allows the parts to rotate relative to each other;

[0016] The beneficial effects of the present disclosure are:

[0017] By arranging the abutment of the push rod and the supporting rod to achieve the sliding of the supporting rod, the anti-skid sleeve is fixed, the problem of preform falling off due to heating during the drawing process is solved, and the effect of dynamic fixation is achieved BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0019] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present disclosure;

[0020] Figure 2 is a schematic diagram of the fixing device of the embodiment of the present disclosure;

[0021] Figure 3 is a schematic diagram of the pushing device of the embodiment of the present disclosure;

[0022] Figure 4 is a schematic diagram of the overall structure of the embodiment of the present disclosure. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present disclosure.

[0024] Hereinafter Figures 1 to 4 An embodiment of a plasma torch optical fiber preform is described. Specifically, the plasma torch optical fiber preform is configured in a split structure, including a push rod 101, a supporting rod 102, and an anti-skid sleeve 104. By arranging the abutment of the push rod 101 and the supporting rod 102 to achieve the sliding of the supporting rod 102, the anti-skid sleeve 104 is fixed to achieve the effect of dynamic fixation.

[0025] Please refer to Figures 1 to 4 A plasma torch optical fiber preform, comprising: a fixed ring 1, a push rod 101 is threadedly connected in the inner ring of the fixed ring 1, the push rod 101 is contracted from one end to the other end, the outer wall of the push rod 101 at the contracted end abuts against a support rod 102, the support rod 102 is arranged in an annular array in a limiting ring 103, the support rod 102 is slidably connected with the limiting ring 103, the other end of the support rod 102 abuts against an anti-skid sleeve 104, and the anti-skid sleeve 104 is fixedly connected to the inner wall of a preform rod 105.

[0026] The push rod 101 is threadedly connected in the inner ring of the fixed ring 1, so as to be extended forward by rotating and abutting against the support rod 102, and the support rod 102 abutting against the push rod 101 slides upward to be fixed.

[0027] The support rod 102 is slidably connected in the limiting ring 103, and the sliding of the support rod 102 is realized by the abutting of the push rod 102 until the support rod 102 abuts against the anti-skid sleeve 104 to be fixed.

[0028] When being fixed, the rotating block 5 is rotated to move the push rod 101 threadedly connected in the inner ring of the fixed ring to the contracted end, in the moving process, the push rod 101 abuts against the support rod 102 to make the support rod 102 slide upward to drive the anti-skid sleeve 104 to abut against and be fixed, in the wire drawing process, the preform rod 105 is expanded by being heated and is easy to fall off, and in the heating process, the rotating block 5 is continuously rotated to make the support rod 102 always abut against the anti-skid sleeve 104 to be fixed.

[0029] The inner wall of the preform rod 105 is provided with a slotted 2, and the slotted 2 is a regular octagon.

[0030] The slotted 2 provided in the inner wall of the preform rod 105 can make the optical fiber formed by wire drawing be in a hollow state, in some cases, the shape in the inside thereof can be replaced according to the application range of the required optical fiber, and the slotted 2 provided in the present application is a regular octagon, so that the inside of the formed optical fiber can be totally reflected when passing through the plasma, and the transmission efficiency of the optical fiber is improved.

[0031] The preform rod 105 comprises two parts, the upper part of the preform rod 105 is a constant-diameter glass rod, the lower part is a variable-diameter glass rod, and the inner walls of the two parts are provided with the slotted 2.

[0032] The preform rod 105 is divided into two parts to facilitate fixing and wire drawing, the upper part is used for fixing, and the lower part is used for heating and wire drawing, and the slotted 2 provided in the inside of the two parts can make the optical fiber formed by wire drawing be in a predetermined shape.

[0033] The fixed ring 1 lower surface is fixedly connected with the telescopic rod 4, and the telescopic rod 4 movable end is fixedly connected with the preform 105.

[0034] The telescopic rod 4 arranged on the lower surface of the fixed ring 1 is used for fixing the fixed ring 1, and in the drawing process, the preform 105 will be shortened and fall downward, at this time, the fixed ring 1 remains fixed, and the telescopic rod 4 falls downward along with the preform 105.

[0035] The push rod 101 far from the groove 2 end is fixedly connected with the rotating block 5.

[0036] The rotating block 5 fixedly connected with the push rod 101 far from the groove 2 end can be rotated to make the push rod 101 rotate and move to the inside of the preform 105 end, abut against the supporting rod 102, and complete the fixing adjustment.

[0037] The limiting ring 103 and the anti-skid sleeve 104 are fixedly connected through the connecting rod 6.

[0038] The connecting rod 6 arranged between the limiting ring 103 and the anti-skid sleeve 104 is used for fixing the limiting ring 103, and prevents the limiting ring 103 from falling off due to movement of the supporting rod 102 in the sliding process.

[0039] The anti-skid sleeve 104 is made of soft silica gel material and is consistent with the shape of the groove 2.

[0040] The anti-skid sleeve 104 is arranged and the shape thereof is consistent with the groove 2, which can prevent the anti-skid sleeve 104 from being separated from the preform 105 and the supporting rod 102 in the process of fixing the preform 105, so that the preform 105 does not fall off, and the anti-skid sleeve 104 is always close to the groove 2 in the fixing and adjusting process.

[0041] The limiting sleeve 8 is arranged on the outer wall of the preform 105 upper part, the limiting sleeve 8 is contracted from one side to the other side, and the inner wall of the limiting sleeve 8 abuts against the preform 105.

[0042] The limiting sleeve 8 arranged on the outer wall of the preform 105 can prevent the preform 105 from falling off in the drawing process, and has a double protection effect, since the preform 105 is in a vertical state in the drawing process, the preform 105 can fall off due to unstable fixation, and the limiting sleeve 8 is contracted to abut against the preform 105 to achieve fixation.

[0043] The application further provides a kind of plasma torch optical fiber preform.

[0044] A kind of plasma torch optical fiber preform, comprising:

[0045] The fixed ring 1 is internally threaded with a push rod 101, the push rod 101 is shrunk from one end to the other end, the outer wall of the push rod 101 is abutted with a support rod 102, the support rod 102 is annularly arranged on a limiting ring 103, the support rod 102 is slidably connected with the limiting ring 103, the other end of the support rod 102 is abutted with an anti-skid sleeve 104, and the anti-skid sleeve 104 is fixedly connected to the inner wall of a prefabricated rod 105.

[0046] The inner wall of the prefabricated rod 105 is provided with a slot 2, and the slot 2 is a regular octagon.

[0047] The prefabricated rod 105 includes two parts, the upper part of the prefabricated rod 105 is an equal-diameter glass rod, the lower part is a variable-diameter glass rod, and the inner walls of the two parts are provided with slots 2.

[0048] The lower surface of the fixed ring 1 is fixedly connected with an extension rod 4, and the movable end of the extension rod 4 is fixedly connected with the prefabricated rod 105.

[0049] The push rod 101 is fixedly connected with a rotating block 5 away from the slot 2.

[0050] The limiting ring 103 and the anti-skid sleeve 104 are fixedly connected through a connecting rod 6.

[0051] The anti-skid sleeve 104 is made of soft silica gel material and has the same shape as the slot 2.

[0052] The outer wall of the upper part of the prefabricated rod 105 is provided with a limiting sleeve 8, the limiting sleeve 8 is shrunk from one side to the other side, and the inner wall of the limiting sleeve 8 is abutted with the prefabricated rod 105.

[0053] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The basic principles, main features and advantages of the present disclosure are shown and described above. Those skilled in the art should understand that the present disclosure is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, various changes and improvements can be made to the present disclosure, and these changes and improvements all fall within the scope of the claimed present disclosure.

Claims

1. A plasma torch optical fiber preform, characterized by, Include: The fixed ring (1) is internally threaded with a push rod (101), the push rod (101) is shrunk from one end to the other end, the outer wall of the push rod (101) is abutted with a support rod (102), the support rod (102) is annular array on the limiting ring (103), the support rod (102) is slidingly connected with the limiting ring (103), the other end of the support rod (102) is abutted with an anti-skid sleeve (104), the anti-skid sleeve (104) is fixedly connected on the inner wall of the prefabricated rod (105).

2. A plasma torch optical fiber preform according to claim 1, wherein, The inner wall of the prefabricated rod (105) is provided with a slot (2), and the slot (2) is a regular octagon.

3. A plasma torch optical fiber preform according to claim 2, wherein, The prefabricated rod (105) includes two parts, the upper part of the prefabricated rod (105) is an equal-diameter glass rod, the lower part is a variable-diameter glass rod, and the inner walls of the two parts are provided with slots (2).

4. A plasma torch optical fiber preform according to claim 1 wherein, The lower surface of the fixed ring (1) is fixedly connected with a telescopic rod (4), and the movable end of the telescopic rod (4) is fixedly connected with the prefabricated rod (105).

5. A plasma torch optical fiber preform according to claim 2, wherein, The push rod (101) is fixedly connected with a rotating block (5) away from the slot (2).

6. A plasma torch optical fiber preform according to claim 1 wherein, The limiting ring (103) and the anti-skid sleeve (104) are fixedly connected through a connecting rod (6).

7. A plasma torch optical fiber preform according to claim 2 wherein, The anti-skid sleeve (104) is made of soft silica gel material, and is consistent with the shape of the slot (2).

8. A plasma torch optical fiber preform according to claim 1 wherein, The outer wall of the upper part of the prefabricated rod (105) is provided with a limiting sleeve (8), the limiting sleeve (8) is shrunk from one side to the other side, and the inner wall of the limiting sleeve (8) is abutted with the prefabricated rod (105).

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