CN209342981U - A kind of novel and multifunctional optical-fiber laser coupler - Google Patents

Abstract

The utility model discloses a kind of novel and multifunctional optical-fiber laser coupler, including main line pipe, coupler connecting cylinders; main ring flange, main heat-dissipating cylinder, main cooling fin; from spool, from heat-dissipating cylinder, from cooling fin; from ring flange, sealing ring, main fiber; from optical fiber, scalable parallel adjusting mounting rack, anti-fiber kinks clamp block structure; dust protection adjustable protective cover structure and ring set, the main line pipe screw thread are connected to the left end of coupler connecting cylinder.The utility model installs bolt, and mounting base, main butt joint base, telescopic advance lever is conducive to increase and installs fixed convenience from the setting of butt joint base and attachment base, while can be convenient for adjusting dilatability, facilitates operation, increases and use function；Fixture nut, sliding seat, clamping screw, locking nut, movable holder, the setting of rotating handle and fixed rank seat are conducive to increase optical fiber fixed function, and the problem of traction fracture occurs in the optical fiber that can avoid connection, guarantee utilization rate.

Description

A kind of novel and multifunctional optical-fiber laser coupler

Technical field

The utility model belongs to optical-fiber laser coupler technologies field, more particularly to a kind of novel and multifunctional optical-fiber laser Coupler.

Background technique

Optical fiber laser has the advantages that excellent beam quality, high conversion efficiency, full light channel structure, easy to maintain, at present quilt Many industrial circles are widely used in: material cutting, drilling, welding, mark etc..High-capacity optical fiber laser at present, often Scheme is, with optical fiber bragg grating FBG, in addition Pump semiconductor laser and some based on fused biconical taper technique Passive device constitutes entire light path system.The problem of manufacturing process intrinsic due to FBG grating, device varies with temperature, performance There is large effect, in addition after long-term high power use, different degrees of variation, institute can also occur therewith for optical characteristics It is a bottleneck of entire laser system with this device.Based on LMA(large mode field diameter) optical fiber, unit area light can be reduced Density and reduction optical nonlinear effect, are now widely used for optical fiber laser light path system.Since LMA fiber supports high-order Mould, and in order to guarantee beam quality, general its fiber core NA is smaller, so this optical fiber is to bending, rather around very sensitive, When with such optical fiber fabrication passive device (devices such as fiber coupler, pattern matcher, ENDCAP): not only guaranteeing Energy loss wants small and it is necessary to guarantee that beam quality does not change as far as possible.Based on the passive device of fused biconical taper technique, Optical fiber needs to transfer to coat, so that optical fiber or fiber optic bundle are after heat source heating, fused biconical taper, the quality for boring area determines device The performance of part, however during actual fabrication, it is influenced due to being stretched platform stabilization, heat source stability etc., cone area exists There are some problems during actual fabrication, so that there are some losses in welding for optical fiber, general pumping depletion is in 2%-10% Left and right, loss of signal is in 5%-15%, and for the high-power component of KW rank, loss means to entire device, whole system There is test in thermal stability, and the efficiency of entire light path system reduces.

China Patent Publication No. is CN202837591U, and invention and created name is a kind of diaphragm type fiber laser coupler, Optical fiber, two cylinders are coupled including more laser transmission fibers and at least one, it is characterised in that: the more lasers are lost Fibre is fixed in the same cylinder, and the coupling optical fiber is fixed in another cylinder, is fixed on each light of two cylinder one end The fine even plated film in end face, fix two cylinders and make the plated film end face of the laser transmission fiber in two cylinders with couple optical fiber The contact of plated film end face.But existing optical-fiber laser coupler does not have safeguard function and installation there is also being not easy to install The problem of breaking is easy to appear after optical fiber.

Therefore, the novel and multifunctional optical-fiber laser coupler of one kind is invented to be very necessary.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of novel and multifunctional optical-fiber laser coupler, with Solving existing optical-fiber laser coupler, there is be not easy to install, do not have safeguard function and be easy to appear drawing after installing optical fiber Disconnected problem.

In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: novel and multifunctional optical fiber Laser couplers, including main line pipe, coupler connecting cylinder, main ring flange, main heat-dissipating cylinder, main cooling fin, from spool, from heat dissipation Cylinder, from cooling fin, from ring flange, sealing ring, main fiber, from optical fiber, scalable parallel adjusting mounting rack, anti-fiber kinks are clamped Block structure, dust protection adjustable protective cover structure and ring set, the main line pipe screw thread are connected to the left end of coupler connecting cylinder； The right end of the coupler connecting cylinder of the left side setting is threaded in the left side middle position of main ring flange；The master dissipates Hot cylinder is laterally socketed in the outer wall middle position of coupler connecting cylinder；Laterally successively screw connects the main cooling fin from top to bottom It connects in the front surface middle position of main heat-dissipating cylinder；The slave spool is threaded in the right side for the coupler connecting cylinder that right side is arranged End；The slave heat-dissipating cylinder is laterally socketed in the outer wall middle position for the coupler connecting cylinder that right side is arranged；It is described from heat dissipation Successively screw is connected to from the front surface middle position of heat-dissipating cylinder piece from top to bottom；The coupler connecting cylinder of the right side setting Left end be threaded in from the right side middle position of ring flange；The main ring flange and from being provided with sealing between ring flange Circle；The main ring flange and from bolt and nut connection setting between ring flange；The main fiber extends transversely through main line pipe and inserts It connects in the bosom position of the coupler connecting cylinder of left side setting；The slave optical fiber extends transversely through from spool and is plugged on right side The bosom position of the coupler connecting cylinder of setting；It the main fiber and is connected with each other between optical fiber；Described stretches The parallel lower part for adjusting mounting rack and coupler connecting cylinder being set of contracting；The anti-fiber kinks clamp block structure and are separately positioned on The outside of main line pipe and outside from spool；The described dust protection adjustable protective cover structure setting is in main heat-dissipating cylinder and from heat dissipation Top between cylinder；The ring is set on the outside that anti-fiber kinks clamp block structure；The scalable parallel adjusting Mounting rack includes installing bolt, mounting base, main butt joint base, telescopic advance lever, from butt joint base and attachment base, the installation bolt Longitudinal screw is connected to middle position at left and right sides of the inside of mounting base respectively；The main butt joint base is respectively welded at mounting base Lower part at left and right sides of middle position；The slave butt joint base is respectively welded at middle position at left and right sides of the top of attachment base； One end axis connects in the bosom position of main butt joint base the telescopic advance lever respectively, and axis connects from butt joint base the other end respectively Bosom position.

Preferably, it includes fixture nut, sliding seat, clamping screw, locking screw that the anti-fiber kinks, which clamp block structure, Mother, movable holder, rotating handle and fixed rank seat, the fixture nut are embedded in the bosom position of sliding seat；Described Clamping screw longitudinal screw is connected to the bosom position of fixture nut；The locking nut is threaded in clamping screw Outer wall top；The movable holder axis connects in the lower end of clamping screw；The rotating handle lateral mid-point bolt peace Mounted in the upper end of clamping screw；The inner end axis of the sliding seat connects in the outer end of fixed rank seat.

Preferably, the dust protection adjustable protective cover structure includes the first connecting base, shield, telescopic rod, rotation Pipe, the second connecting base and thumb screw, bolt is mounted in the bottom left and right sides of shield first connecting base respectively Between position；One end is plugged on the inner upper end for rotating pipe to the telescopic rod respectively, and axis connects in the first connecting base the other end respectively Bosom position；Lower end axis connects in the bosom position of the second connecting base the rotation pipe respectively；Described is wing Screw is threaded in telescopic rod respectively and rotates the junction of pipe.

Preferably, the main heat-dissipating cylinder and aluminum barrel is respectively adopted from heat-dissipating cylinder.

Preferably, the main cooling fin and aluminium flake is respectively adopted from cooling fin.

Preferably, the sealing ring specifically uses rubber ring.

Preferably, the telescopic advance lever specifically uses three-level stainless steel telescopic rod, the telescopic advance lever setting There are two.

Preferably, cross bolts are mounted on the downside middle position of main heat-dissipating cylinder and from heat dissipations the attachment base respectively The downside middle position of cylinder.

Preferably, lateral inner ends bolt is mounted on the two sides up and down of main line pipe and from spool the described fixed rank seat respectively Two sides up and down.

Preferably, bolt is mounted on the outside middle position between sliding seat to the ring set respectively.

Preferably, the second connecting base bolt of left side setting is mounted on the upper middle position of main heat-dissipating cylinder.

Preferably, the second connecting base bolt of right side setting is mounted on the upper middle position from heat-dissipating cylinder.

Preferably, the shield specifically uses curved stainless steel cover.

Compared with prior art, the utility model has the following beneficial effects:

1, in the utility model, the installation bolt, mounting base, main butt joint base, telescopic advance lever, from butt joint base and company The setting of joint chair is conducive to increase and installs fixed convenience, while can be convenient for adjusting dilatability, facilitates operation, increase makes Use function.

2, in the utility model, the fixture nut, sliding seat, clamping screw, locking nut, movable holder, rotation The setting of handle and fixed rank seat, is conducive to increase optical fiber fixed function, and the problem of traction fracture occurs in the optical fiber that can avoid connection, Guarantee utilization rate.

3, in the utility model, first connecting base, shield, telescopic rod, rotation pipe, the second connecting base and wing The setting of screw is conducive to play good protection effect, while can be convenient for adjusting protection height, convenient for operation.

4, in the utility model, the main ring flange and the setting from ring flange are conducive to dismantle installation maintenance, be convenient for Operation.

5, in the utility model, the main heat-dissipating cylinder, main cooling fin, from heat-dissipating cylinder and from the setting of cooling fin, favorably In playing good heat dissipation effect, guarantee the working efficiency of coupler.

6, in the utility model, the main fiber and the setting from optical fiber are conducive to the optical fiber outside connection docking, just In operation.

7, in the utility model, the setting of the sealing ring is conducive to play main ring flange and between ring flange Sealing function can carry out main ring flange from dust or rainwater and work from ring flange internal influence coupler.

8, in the utility model, the main line pipe, coupler connecting cylinder and the setting from spool are conducive to play good Enter line effect, guarantee connection when stability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the scalable parallel structural schematic diagram for adjusting mounting rack of the utility model.

Fig. 3 is that the anti-fiber kinks of the utility model clamp the structural schematic diagram of block structure.

Fig. 4 is the structural schematic diagram of the dust protection adjustable protective cover structure of the utility model.

In Fig. 1 to Fig. 4:

1, main line pipe；2, coupler connecting cylinder；3, main ring flange；4, main heat-dissipating cylinder；5, main cooling fin；6, from spool；7, From heat-dissipating cylinder；8, from cooling fin；9, from ring flange；10, sealing ring；11, main fiber；12, from optical fiber；13, scalable parallel tune Save mounting rack；131, bolt is installed；132, mounting base；133, main butt joint base；134, telescopic advance lever；135, from butt joint base； 136, attachment base；14, anti-fiber kinks clamp block structure；141, fixture nut；142, sliding seat；143, clamping screw；144, Locking nut；145, movable holder；146, rotating handle；147, fixed rank seat；15, dust protection adjustable protective cover structure；151, First connecting base；152, shield；153, telescopic rod；154, rotation pipe；155, the second connecting base；156, thumb screw；16, ring Set.

Specific embodiment

The utility model is specifically described with reference to the accompanying drawing, as shown in Figure 1 and Figure 2, the utility model institute The novel and multifunctional optical-fiber laser coupler of the one kind stated, including main line pipe 1, coupler connecting cylinder 2, main ring flange 3, main heat dissipation Cylinder 4, main cooling fin 5, from spool 6, from heat-dissipating cylinder 7, from cooling fin 8, from ring flange 9, sealing ring 10, main fiber 11, from optical fiber 12, scalable parallel adjusting mounting rack 13, anti-fiber kinks clamp block structure 14, dust protection adjustable protective cover structure 15 and ring Set 16, the main line pipe 1 is threaded in the left end of coupler connecting cylinder 2；The coupler connecting cylinder 2 of the left side setting Right end be threaded in the left side middle position of main ring flange 3；The main heat-dissipating cylinder 4 is laterally socketed in coupler connecting cylinder 2 outer wall middle position；Laterally successively screw is connected in the front surface of main heat-dissipating cylinder 4 the main cooling fin 5 from top to bottom Between position；The slave spool 6 is threaded in the right end for the coupler connecting cylinder 2 that right side is arranged；The slave heat-dissipating cylinder 7 is horizontal To the outer wall middle position for being socketed in the coupler connecting cylinder 2 that right side is arranged；The slave cooling fin 8 successively screw from top to bottom It is connected to from the front surface middle position of heat-dissipating cylinder 7；The left end of the coupler connecting cylinder 2 of the right side setting is threaded in From the right side middle position of ring flange 9；The main ring flange 3 and from being provided with sealing ring 10 between ring flange 9；The master Ring flange 3 and between ring flange 9 bolt and nut connection setting；The main fiber 11 extends transversely through main line pipe 1 and is plugged on a left side The bosom position of the coupler connecting cylinder 2 of side setting；The slave optical fiber 12 extend transversely through from spool 6 be plugged on right side set The bosom position for the coupler connecting cylinder 2 set；It the main fiber 11 and is connected with each other between optical fiber 12；Described can The flexible parallel lower part for adjusting mounting rack 13 and coupler connecting cylinder 2 being set；The anti-fiber kinks clamp block structure 14 and divide The outside of main line pipe 1 is not set and from the outside of spool 6；The setting of dust protection adjustable protective cover structure 15 is dissipated main Hot cylinder 4 and from the top between heat-dissipating cylinder 7；The outside that anti-fiber kinks clamp block structure 14 is arranged in the ring set 16；Institute The scalable parallel adjusting mounting rack 13 stated includes installation bolt 131, mounting base 132, main butt joint base 133, telescopic advance lever 134, from butt joint base 135 and attachment base 136, longitudinal screw is connected to the inside of mounting base 132 to the installation bolt 131 respectively Left and right sides middle position；The main butt joint base 133 is respectively welded at middle position at left and right sides of the lower part of mounting base 132； The slave butt joint base 135 is respectively welded at middle position at left and right sides of the top of attachment base 136；The telescopic advance lever 134 respectively one end axis connect in the bosom position of main butt joint base 133, axis connects in the inside from butt joint base 135 other end respectively Mounting base 132 when installation, is mounted on suitable metope or on mechanical equipment by installation bolt 131, is led to by middle position The length of telescopic adjustment telescopic advance lever 134, i.e., the length of changeable installation are crossed, while also guaranteeing that the coupler is in living always Dynamic state, preferably to carry out fiber alignment work.

In the present embodiment, in conjunction with shown in attached drawing 3, it includes fixture nut that the anti-fiber kinks, which clamp block structure 14, 141, sliding seat 142, clamping screw 143, locking nut 144, movable holder 145, seat 147 is held in the mouth in rotating handle 146 and fixation, described Fixture nut 141 be embedded in the bosom position of sliding seat 142；143 longitudinal screw of clamping screw is connected to solid Determine the bosom position of nut 141；The locking nut 144 is threaded in the outer wall top of clamping screw 143；It is described 145 axis of movable holder connect in the lower end of clamping screw 143；The 146 lateral mid-point bolt of rotating handle is mounted on folder The upper end of tight screw rod 143；The inner end axis of the sliding seat 142 connects in the outer end of fixed rank seat 147, in order to avoid optical fiber and master , there is the case where bending or being broken in optical fiber 11 and while being docked respectively from optical fiber 12, can be by loosening locking nut 144, hand It holds rotating handle 146 and rotates position of the clamping screw 143 inside fixture nut 141, until fiber gripper is by movable holder 145 Only, preferably to carry out mating operation, guarantee the working condition of coupler.

In the present embodiment, in conjunction with shown in attached drawing 4, the dust protection adjustable protective cover structure 15 includes the first linking Seat 151, shield 152, telescopic rod 153 rotate pipe 154, the second connecting base 155 and thumb screw 156, first linking Bolt is mounted on middle position at left and right sides of the bottom of shield 152 to seat 151 respectively；The telescopic rod 153 is distinguished one end and is inserted The inner upper end in rotation pipe 154 is connect, axis connects in the bosom position of the first connecting base 151 other end respectively；The rotation Lower end axis connects in the bosom position of the second connecting base 155 tube 154 respectively；The thumb screw 156 is distinguished screw thread and is connected Connecing can be existed in the junction of telescopic rod 153 and rotation pipe 154 by loosening thumb screw 156 with telescopic adjustment telescopic rod 153 Rotate the position inside pipe 154, i.e., the height of changeable shield 152, will pass through shield 152 to the junction of coupler Good screening dirt protective action is played, can avoid dust influences, and after adjusting properly, thumb screw 156 can be locked, so as to more preferable Carry out hide dirt protected working.

In the present embodiment, specifically, the main heat-dissipating cylinder 4 and aluminum barrel is respectively adopted from heat-dissipating cylinder 7.

In the present embodiment, specifically, the main cooling fin 5 and aluminium flake is respectively adopted from cooling fin 8.

In the present embodiment, specifically, the sealing ring 10 specifically uses rubber ring.

In the present embodiment, specifically, the telescopic advance lever 134 specifically uses three-level stainless steel telescopic rod, it is described Telescopic advance lever 134 setting there are two.

In the present embodiment, specifically, cross bolts are mounted on the downside of main heat-dissipating cylinder 4 to the attachment base 136 respectively Middle position and downside middle position from heat-dissipating cylinder 7.

In the present embodiment, specifically, lateral inner ends bolt is mounted on main line pipe 1 to the fixed rank seat 147 respectively Upper and lower two sides and the two sides up and down from spool 6.

In the present embodiment, specifically, bolt is mounted among the outside between sliding seat 142 ring set 16 respectively Position.

In the present embodiment, specifically, 155 bolt of the second connecting base that the left side is arranged is mounted on main heat-dissipating cylinder 4 Upper middle position.

In the present embodiment, specifically, 155 bolt of the second connecting base that the right side is arranged is mounted on from heat-dissipating cylinder 7 Upper middle position.

In the present embodiment, specifically, the shield 152 specifically uses curved stainless steel cover.

Working principle

In the utility model, when installation, mounting base 132 is mounted on suitable metope by installation bolt 131 or On mechanical equipment, by the length of telescopic adjustment telescopic advance lever 134, i.e., the length of changeable installation, while also guaranteeing the coupling Clutch is in active state always, preferably to carry out fiber alignment work, in order to avoid optical fiber and main fiber 11 and from light There is the case where bending or being broken when being docked respectively in fibre 12, can hold rotating handle 146 by loosening locking nut 144 Position of the clamping screw 143 inside fixture nut 141 is rotated, until movable holder 145 is by fiber gripper, so as to more preferable Carry out mating operation, guarantee the working condition of coupler, can be with telescopic adjustment telescopic rod 153 by loosening thumb screw 156 Position inside rotation pipe 154, i.e., the height of changeable shield 152, will pass through connection of the shield 152 to coupler Good screening dirt protective action is played at place, and can avoid dust influences, and after adjusting properly, thumb screw 156 can be locked, so as to more Good carries out screening dirt protected working.

Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model It encloses.

Claims (10)

1. a kind of novel and multifunctional optical-fiber laser coupler, which is characterized in that the novel and multifunctional optical-fiber laser coupler Including main line pipe (1), coupler connecting cylinder (2), main ring flange (3), main heat-dissipating cylinder (4), main cooling fin (5), from spool (6), From heat-dissipating cylinder (7), from cooling fin (8), from ring flange (9), sealing ring (10), main fiber (11) is scalable flat from optical fiber (12) Row adjusts mounting rack (13), and anti-fiber kinks clamp block structure (14), dust protection adjustable protective cover structure (15) and ring set (16), the main line pipe (1) is threaded in the left end of coupler connecting cylinder (2)；The coupler of the left side setting connects The right end of connect cylinder (2) is threaded in the left side middle position of main ring flange (3)；The main heat-dissipating cylinder (4) is laterally socketed in The outer wall middle position of coupler connecting cylinder (2)；Laterally successively screw is connected to main dissipate to the main cooling fin (5) from top to bottom The front surface middle position of hot cylinder (4)；The slave spool (6) is threaded in the coupler connecting cylinder (2) that right side is arranged Right end；The slave heat-dissipating cylinder (7) is laterally socketed in the outer wall middle position for the coupler connecting cylinder (2) that right side is arranged；It is described Slave cooling fin (8) successively screw is connected to the front surface middle position from heat-dissipating cylinder (7) from top to bottom；The right side setting The left end of coupler connecting cylinder (2) be threaded in the right side middle position from ring flange (9)；The main ring flange (3) And from being provided with sealing ring (10) between ring flange (9)；The main ring flange (3) and from bolt and nut between ring flange (9) Connection setting；The main fiber (11) extend transversely through main line pipe (1) be plugged on left side be arranged coupler connecting cylinder (2) it is interior Portion middle position；The slave optical fiber (12) extends transversely through from spool (6) and is plugged on the coupler connecting cylinder (2) that right side is arranged Bosom position；It the main fiber (11) and is connected with each other between optical fiber (12)；The scalable parallel adjusting peace (13) setting is shelved in the lower part of coupler connecting cylinder (2)；The anti-fiber kinks clamp block structure (14) and are separately positioned on The outside of main line pipe (1) and outside from spool (6)；The dust protection adjustable protective cover structure (15) is arranged in main heat dissipation Cylinder (4) and from the top between heat-dissipating cylinder (7)；Ring set (16) setting clamps the outer of block structure (14) in anti-fiber kinks Side；The scalable parallel adjusting mounting rack (13) includes installing bolt (131), mounting base (132), main butt joint base (133), Telescopic advance lever (134), from butt joint base (135) and attachment base (136), longitudinal screw connects the installation bolt (131) respectively Connect the middle position at left and right sides of the inside of mounting base (132)；The main butt joint base (133) is respectively welded at mounting base (132) middle position at left and right sides of lower part；The top that the slave butt joint base (135) is respectively welded at attachment base (136) is left Right two sides middle position；One end axis connects in the bosom position of main butt joint base (133) telescopic advance lever (134) respectively It sets, axis connects in the bosom position from butt joint base (135) other end respectively.

2. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the anti-fiber kinks Clamping block structure (14) includes fixture nut (141), sliding seat (142), clamping screw (143), locking nut (144), activity Holder (145), rotating handle (146) and fixed rank seat (147), the fixture nut (141) are embedded in the interior of sliding seat (142) Portion middle position；Described clamping screw (143) longitudinal screw is connected to the bosom position of fixture nut (141)；It is described Locking nut (144) be threaded in the outer wall top of clamping screw (143)；Described movable holder (145) axis, which connects, to be pressed from both sides The lower end of tight screw rod (143)；Described rotating handle (146) the lateral mid-point bolt is mounted on the upper end of clamping screw (143)； The inner end axis of the sliding seat (142) connects in the outer end of fixed rank seat (147).

3. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the dust protection is adjustable Section protection cover structure (15) includes the first connecting base (151), shield (152), telescopic rod (153), rotation pipe (154), and second Connecting base (155) and thumb screw (156), bolt is mounted on the bottoms of shield (152) to first connecting base (151) respectively Middle position at left and right sides of portion；One end is plugged on the inner upper end that (154) are managed in rotation to the telescopic rod (153) respectively, another Axis connects in the bosom position of the first connecting base (151) respectively at end；Lower end axis connects second the rotation pipe (154) respectively The bosom position of connecting base (155)；The thumb screw (156) is threaded in telescopic rod (153) and rotation respectively Manage the junction of (154).

4. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the main heat-dissipating cylinder (4) and from heat-dissipating cylinder (7) aluminum barrel is respectively adopted.

5. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the main cooling fin (5) and from cooling fin (8) aluminium flake is respectively adopted.

6. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the sealing ring (10) Specifically use rubber ring.

7. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the telescopic advance lever (134) three-level stainless steel telescopic rod is specifically used, there are two the telescopic advance lever (134) settings.

8. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the attachment base (136) cross bolts are mounted on the downside middle position of main heat-dissipating cylinder (4) and the downside interposition from heat-dissipating cylinder (7) respectively It sets.

9. novel and multifunctional optical-fiber laser coupler as claimed in claim 2, which is characterized in that the fixed rank seat (147) lateral inner ends bolt is mounted on the two sides up and down of main line pipe (1) and from the two sides up and down of spool (6) respectively.

10. novel and multifunctional optical-fiber laser coupler as described in claim 1, which is characterized in that the ring set (16) Bolt is mounted on the outside middle position between sliding seat (142) respectively.