Laser optical fiber bundle assembly tool

Abstract

The utility model provides a laser fiber bundle assembly tool, which is used for assembling a laser fiber bundle, the laser fiber bundle comprises an inner tube extending along the axial direction and a plurality of optical fibers tightly arranged around the inner tube, the assembly tool comprises a first shaping piece, a second shaping piece and a rotating device, the first shaping piece and the second shaping piece are provided with sleeve structures, and the rotating device is provided with a rotating shaft. The inner tube positioning cavity and the optical fiber positioning cavity extend in the axial direction, the inner tube positioning cavity is used for penetrating through an inner tube, the optical fiber positioning cavity is used for penetrating through a plurality of optical fibers, the first shaping piece and the second shaping piece are sleeved at intervals and fix the inner tube and the optical fibers, and the rotating device can clamp the second shaping piece and drive the second shaping piece to rotate around the axis relative to the first shaping piece. And the plurality of optical fibers between the first shaping piece and the second shaping piece are twisted by 15-45 degrees along the circumferential direction. According to the assembly tool provided by the utility model, the optical fiber bundle is twisted, so that the optical fibers can be tightly arranged, the radial size of the optical fiber bundle is reduced, and the trafficability of an optical fiber conduit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a laser optical fiber bundle assembly tool. Background Art

[0002] The laser fiber bundle is a core component of laser ablation catheters, and the reliability of its structural assembly directly impacts laser transmission effectiveness. Fiber bundles have various structures depending on the treatment needs, and the multiple optical fibers within the bundle typically need to be tightly arranged to achieve optimal laser transmission. Summary of the Invention

[0003] Based on this, the purpose of the present invention is to provide a laser fiber bundle assembly tool that is suitable for assembling fiber bundles of various structures.

[0004] The purpose of the present utility model is to provide a laser fiber bundle assembly tool for assembling a laser fiber bundle, wherein the laser fiber bundle includes an inner tube extending axially and a plurality of optical fibers tightly arranged around the inner tube, and the assembly tool includes a first shaping member, a second shaping member and a rotating device, wherein the first shaping member and the second shaping member have a sleeve structure, and have an inner tube positioning cavity and an optical fiber positioning cavity extending axially, the inner tube positioning cavity is used to pass the inner tube, and the optical fiber positioning cavity is used to pass the plurality of optical fibers, the first shaping member and the second shaping member are spaced apart and fixed to the inner tube and the plurality of optical fibers, the rotating device can clamp the second shaping member and drive the second shaping member to rotate around the axis relative to the first shaping member, so that the plurality of optical fibers between the first shaping member and the second shaping member are twisted 15-45° circumferentially.

[0005] Furthermore, when the first shaping member and the second shaping member are sleeved outside the optical fiber bundle, the distance between the first shaping member and the second shaping member is 1-5 cm.

[0006] Furthermore, the first shaping member and the second shaping member both include an outer sleeve and an inner sleeve inserted into the inner cavity of the outer sleeve, the inner cavity of the inner sleeve defines the inner tube positioning cavity; the optical fiber positioning cavity is defined between the inner wall of the outer sleeve and the outer wall of the inner sleeve.

[0007] Furthermore, a connecting rib is provided between the outer sleeve and the inner sleeve, and the connecting rib is used to connect the outer sleeve and the inner sleeve.

[0008] Furthermore, the rotating device includes a fixed seat, a chuck and a rotating drive member. The fixed seat remains fixed during the assembly process of the optical fiber bundle. The chuck is movably mounted on the fixed seat and is used to clamp the second shaping member. The rotating drive member is connected to the chuck and is used to drive the chuck to rotate around the axis.

[0009] Furthermore, the rotating device further includes a driving motor, which is connected to the rotating driving member and is used to drive the rotating driving member to rotate.

[0010] Furthermore, the assembly tool also includes a fixing device, which is used to fix the first shaping member; driving the rotating device to drive the second shaping member to rotate around the axis can cause the multiple optical fibers in the optical fiber bundle to be twisted 15-45° around the circumference.

[0011] Furthermore, the fixing device includes a fixing plate and a pressure block, the fixing plate is provided with a groove for passing the first shaping piece, the first shaping piece with the optical fiber bundle passed through is passed through the groove, the first shaping piece slightly protrudes above the top wall of the groove, and the pressure block is covered on the fixing plate and the first shaping piece from above the groove, thereby fixing the first shaping piece.

[0012] Furthermore, the assembly tool also includes a mounting seat, the rotating device and the fixing device are fixed on the mounting seat, and the clamping direction of the chuck is aligned with the penetration direction of the slot on the fixing plate, so that the optical fiber bundle remains axially extended during the assembly process.

[0013] Furthermore, the assembly tool also includes a glue dispensing device. When the rotating device drives the second shaping member to rotate around the axis relative to the first shaping member, the glue dispensing device can be used to inject glue between the multiple optical fibers in the optical fiber bundle.

[0014] The assembly tool provided by the utility model has a simple structure and is easy to operate, and is convenient for quickly and tightly arranging the optical fiber bundle. At the same time, by twisting the optical fiber bundle, the optical fibers in the optical fiber bundle can be further tightly arranged, thereby reducing the radial size of the optical fiber bundle and making the assembled optical fiber conduit have better passability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of assembling an optical fiber bundle using an assembly tool in the first embodiment of the present utility model.

[0017] Figure 2This is a structural diagram of the first embodiment of the present invention, in which the first shaping member and the second shaping member are spaced apart and sleeved with an optical fiber bundle.

[0018] Figure 3 Schematic diagram of the structure of the assembled optical fiber bundle in the first embodiment of the present invention.

[0019] Figure 4 This is a radial cross-sectional view of the first shaping member in the first embodiment of the present invention.

[0020] Figure 5 It is a structural schematic diagram of the rotating device in the first embodiment of the present utility model.

[0021] Figure 6 It is a structural schematic diagram of the fixing device in the first embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides a laser fiber bundle assembly tool for assembling a laser fiber bundle, which includes an inner tube extending axially and a plurality of optical fibers evenly arranged around the inner tube. The assembly tool includes a first shaping piece, a second shaping piece and a rotating device. The first shaping piece and the second shaping piece have a sleeve structure for spacing and fixing the inner tube and the plurality of optical fibers of the fiber bundle; the rotating device can clamp the second shaping piece and can drive the second shaping piece to rotate around the axis relative to the first shaping piece, so that the plurality of optical fibers between the first shaping piece and the second shaping piece are twisted 15-45° around the circumference.

[0024] The utility model provides a laser fiber bundle assembly tool with a simple structure and easy operation, which facilitates the rapid and tight arrangement of the fiber bundle. At the same time, by twisting the fiber bundle, the optical fibers in the fiber bundle can be further tightly arranged. The optical fibers can thereby reduce the radial size of the fiber bundle, so that the assembled optical fiber conduit has better passability.

[0025] refer to Figures 1 to 6The first embodiment of the present invention provides an assembly tool 10 for assembling an optical fiber bundle 20. The optical fiber bundle 20 includes an inner tube 21 extending in the axial direction and a plurality of optical fibers 22 evenly arranged around the inner tube. The assembly tool 10 includes a first shaping member 11, a second shaping member 12 and a rotating device 13. The first shaping member 11 and the second shaping member 12 have the same sleeve structure. In this embodiment, the structure of the first shaping member 11 is used as an example for explanation. The first shaping member 11 has an inner tube positioning cavity 111 extending in the axial direction and The optical fiber positioning cavity 112 and the inner tube positioning cavity 111 are used to pass the inner tube 21 of the optical fiber bundle 20, and the optical fiber positioning cavity 112 is used to pass the multiple optical fibers 22 of the optical fiber bundle 20. The first shaping member 11 and the second shaping member 12 are spaced apart and fixed to the inner tube 21 and the multiple optical fibers 22 of the optical fiber bundle 20; the rotating device 13 can clamp the second shaping member 12 and drive the second shaping member 12 to rotate around the axis relative to the first shaping member 11, so that the multiple optical fibers between the first shaping member 11 and the second shaping member 12 are twisted 15-45° along the circumferential direction.

[0026] In this embodiment, the structure of the first shaping member 11 can be designed according to the requirements of the optical fiber bundle to be assembled. In this embodiment, the inner tube 21 of the optical fiber bundle 20 is located at the center position, and multiple optical fibers 22 are tightly arranged around the inner tube 21; the first shaping member 11 includes an outer sleeve and an inner sleeve coaxially inserted into the outer sleeve, wherein the inner sleeve defines an inner tube positioning cavity 111, and an optical fiber positioning cavity 112 is defined between the outer sleeve and the inner sleeve.

[0027] In an alternative embodiment of the present invention, the inner tube of the optical fiber bundle is eccentrically arranged, and the multiple optical fibers are evenly arranged around the inner tube; accordingly, the inner sleeve and the outer sleeve of the first shaping member are eccentrically arranged.

[0028] It should be noted that the assembly tool provided by the present invention can also be used to assemble multi-core optical fiber bundles. Specifically, the number of inner sleeves in the first shaping member can be determined based on the number of inner tubes in the optical fiber bundle. In another alternative embodiment of the present invention, the optical fiber bundle has a multi-core structure and has two inner tubes, with multiple optical fibers evenly arranged around the inner tubes; accordingly, the first shaping member includes two inner sleeves, which are disposed within the inner cavity of the outer sleeve.

[0029] It should be noted that, in this embodiment, the outer sleeve and the inner sleeve of the first shaping member 11 are connected and supported by connecting ribs.

[0030] The optical fiber bundle assembled by the assembly tool 10 provided in this embodiment has a length of usually 1-5 m. Therefore, the distance between the first shaping member 11 and the second shaping member 12 can be set to 1-5 cm, preferably 2.5-3 cm.

[0031] In this embodiment, the rotating device 13 is used to clamp and drive the second forming member 12 to rotate around the axis. The rotating device 13 includes a fixed seat 131, a chuck 132 and a rotating drive member 133, wherein the fixed seat 131 can remain fixed during the assembly process, and the chuck 132 is movably installed on the fixed seat 131. The rotating drive member 131 is connected to the chuck 132 and is used to drive the chuck to rotate around the axis, thereby driving the second forming member 12 to rotate around the axis.

[0032] It should be noted that the rotation driving member 131 can be driven manually or by a motor.

[0033] In this embodiment, the assembly tool 10 also includes a fixing device 14, which is used to fix the first shaping member 11, thereby fixing one end of the optical fiber bundle 20; by driving the rotating device 13 to drive the second shaping member 12 to rotate around the axis, the multiple optical fibers in the optical fiber bundle 20 can be twisted circumferentially, and the twisting angle is 15-45°.

[0034] In the present invention, the fixing device 14 can have various structures, for example, it can be a mechanical claw structure for clamping the first shaping member 11 from the outside, or it can be a clamping plate structure.

[0035] In this embodiment, the fixing device 14 includes a fixing plate 141 and a pressure block 142. The fixing plate 141 is provided with a groove for passing the first shaping member 11. The first shaping member 11 with the optical fiber bundle 20 is passed through the groove. The first shaping member 11 slightly protrudes above the top wall of the groove. The pressure block 142 is covered on the fixing plate 141 and the first shaping member 11 from above the groove, thereby fixing the first shaping member 11.

[0036] The fixing device 14 provided in this solution has a simple structure and operation, and can fix the first shaping member 11 without providing an additional driving device.

[0037] In this embodiment, the assembly tool 10 also includes a mounting base 15, the rotating device 13 and the fixing device 14 are fixed on the mounting base 15, and the clamping direction of the chuck 132 is aligned with the penetration direction of the slot on the fixing plate 141, so that the optical fiber bundle 20 can maintain axial extension during the assembly process.

[0038] In this embodiment, the assembly tool 10 further includes a glue dispensing device (not shown) that dispenses glue between the plurality of optical fibers 22 as the rotating device 13 rotates. After the glue solidifies, a stable laser fiber bundle structure is obtained.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A laser fiber bundle assembly tool for assembling a laser fiber bundle, wherein the laser fiber bundle comprises an inner tube extending in an axial direction and a plurality of optical fibers closely arranged around the inner tube, characterized in that: The assembly tool includes a first shaping piece, a second shaping piece and a rotating device. The first shaping piece and the second shaping piece have a sleeve structure, with an inner tube positioning cavity and an optical fiber positioning cavity extending in the axial direction. The inner tube positioning cavity is used to pass the inner tube, and the optical fiber positioning cavity is used to pass the multiple optical fibers. The first shaping piece and the second shaping piece are spaced apart and fix the inner tube and the multiple optical fibers. The rotating device can clamp the second shaping piece and drive the second shaping piece to rotate around the axis relative to the first shaping piece, so that the multiple optical fibers between the first shaping piece and the second shaping piece are twisted 15-45° along the circumferential direction.

2. The laser fiber bundle assembly tool according to claim 1, characterized in that: When the first shaping member and the second shaping member are sleeved outside the optical fiber bundle, the distance between the first shaping member and the second shaping member is 1-5 cm.

3. The laser fiber bundle assembly tool according to claim 1, characterized in that: The first shaping member and the second shaping member both include an outer sleeve and an inner sleeve inserted into the inner cavity of the outer sleeve, the inner cavity of the inner sleeve defines the inner tube positioning cavity; the optical fiber positioning cavity is defined between the inner wall of the outer sleeve and the outer wall of the inner sleeve.

4. The laser fiber bundle assembly tool according to claim 3, characterized in that: A connecting rib is provided between the outer sleeve and the inner sleeve, and the connecting rib is used to connect the outer sleeve and the inner sleeve.

5. The laser fiber bundle assembly tool according to claim 3, characterized in that: The rotating device includes a fixed seat, a chuck and a rotating drive member. The fixed seat remains fixed during the assembly process of the optical fiber bundle. The chuck is movably mounted on the fixed seat and is used to clamp the second shaping member. The rotating drive member is connected to the chuck and is used to drive the chuck to rotate around the axis.

6. The laser fiber bundle assembly tool according to claim 5, characterized in that: The rotating device further includes a driving motor, which is connected to the rotating driving member and is used to drive the rotating driving member to rotate.

7. The laser fiber bundle assembly tool according to claim 5, characterized in that: The assembly tool also includes a fixing device, which is used to fix the first shaping member; driving the rotating device to drive the second shaping member to rotate around the axis can cause multiple optical fibers in the optical fiber bundle to be twisted 15-45° around the circumference.

8. The laser fiber bundle assembly tool according to claim 7, characterized in that: The fixing device includes a fixing plate and a pressure block. The fixing plate is provided with a groove for passing the first shaping piece. The first shaping piece with the optical fiber bundle passed through is passed through the groove. The first shaping piece slightly protrudes above the top wall of the groove. The pressure block is covered on the fixing plate and the first shaping piece from above the groove to fix the first shaping piece.

9. The laser fiber bundle assembly tool according to claim 8, characterized in that: The assembly tool also includes a mounting seat, the rotating device and the fixing device are fixed on the mounting seat, and the clamping direction of the chuck is aligned with the penetration direction of the slot on the fixing plate, so that the optical fiber bundle remains extended axially during the assembly process.

10. The laser fiber bundle assembly tool according to claim 1, characterized in that: The assembly tool further includes a glue dispensing device. When the rotating device drives the second shaping member to rotate around the axis relative to the first shaping member, the glue dispensing device can be used to inject glue between the multiple optical fibers in the optical fiber bundle.

Images