阅读说明：本技术 多用途剥纤钳 (Multipurpose fiber stripping pliers ) 是由 罗春晖 于 2019-09-16 设计创作，主要内容包括：一种多用途剥纤钳,包括：第一钳体(21)和第二钳体(22),所述第一钳体(21)和第二钳体(22)相互铰接在一起,第一钳体(21)和第二钳体(22)位于铰接处的一侧为钳口(5),另一侧为钳柄(1,9),其中钳口(5)具有相互配合用于玻璃裸纤涂覆层的刃部(6)；还包括支架(17),其设置在第一钳体(21)和第二钳体(22)的钳柄(1,9)之间,在支架(17)上具有一个通孔(171),该通孔(171)用于通过皮线光缆,并且该通孔(171)的侧壁用于对穿过其中的皮线光缆形成支撑；还包括第一剥刀(2)和第二剥刀(11),二者位于通孔(171)两侧,并能够随着钳柄(1,9)的相向运动向通孔(171)内运动,随着二者向通孔(171)内的运动第一剥刀(2)和第二剥刀(11)相互配合用于切割皮线光缆中的金属丝和表皮。该多用途剥纤钳能够方便地用于剥离皮线和/或光纤涂覆层。(A multipurpose fiber stripping pliers comprising: the glass bare fiber coating clamp comprises a first clamp body (21) and a second clamp body (22), wherein the first clamp body (21) and the second clamp body (22) are hinged together, one side of the first clamp body (21) and the second clamp body (22) at the hinged position is a clamp jaw (5), the other side of the first clamp body and the second clamp body is a clamp handle (1,9), and the clamp jaw (5) is provided with an edge part (6) which is matched with each other and used for coating a glass bare fiber; the clamp comprises a bracket (17) which is arranged between the clamp handles (1,9) of a first clamp body (21) and a second clamp body (22), a through hole (171) is formed in the bracket (17), the through hole (171) is used for allowing the rubber-insulated optical cable to pass through, and the side wall of the through hole (171) is used for supporting the rubber-insulated optical cable passing through; the wire stripper further comprises a first stripping knife (2) and a second stripping knife (11), wherein the first stripping knife (2) and the second stripping knife (11) are located on two sides of the through hole (171) and can move towards the inside of the through hole (171) along with the opposite movement of the clamp handles (1,9), and the first stripping knife (2) and the second stripping knife (11) are matched with each other along with the movement of the first stripping knife and the second stripping knife towards the inside of the through hole (171) and are used for cutting a metal wire and a skin in a covered wire optical. The multipurpose fiber stripper can be conveniently used for stripping a covered wire and/or an optical fiber coating layer.)

1. A multipurpose fiber stripping pliers comprising:

the glass bare fiber coating clamp comprises a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are hinged together, one side of the first clamp body and the second clamp body at the hinged position is a clamp opening, the other side of the first clamp body and the second clamp body is a clamp handle, and the clamp opening is provided with an edge part which is matched with each other and used for coating a glass bare fiber;

it is characterized by also comprising:

the bracket is arranged between the clamp handles of the first clamp body and the second clamp body, a through hole is formed in the bracket and used for allowing the rubber-insulated optical cable to pass through, and the side wall of the through hole is used for supporting the rubber-insulated optical cable passing through the through hole;

the first stripping knife and the second stripping knife are positioned on two sides of the through hole and can move towards the inside of the through hole along with the opposite movement of the clamp handles, and the first stripping knife and the second stripping knife are matched with each other along with the movement of the first stripping knife and the second stripping knife towards the inside of the through hole and are used for cutting the metal wire and the skin in the covered wire optical cable.

2. The multipurpose fiber stripping pliers according to claim 1, wherein: the first clamp body and the second clamp body are hinged together through a hinge shaft, and the support is hinged to the hinge shaft and can swing between the clamp handles of the first clamp body and the second clamp body.

3. The multipurpose fiber stripping pliers of claim 2, wherein: elastic elements are respectively arranged between the bracket and the handle of the first forceps body and the second forceps body.

4. The multipurpose fiber stripping pliers according to claim 1, wherein: the first stripping knife is provided with a first open slot, the second stripping knife is provided with a second open slot, and the first open slot and the second open slot are relatively applied to accommodate the optical fiber.

5. The multipurpose fiber stripping pliers according to claim 3, wherein: the elastic coefficient of the elastic element ranges from 300N/m to 10000N/m.

6. The multipurpose fiber stripping pliers according to claim 5, wherein: the elastic elements are symmetrically arranged about the support.

7. The multipurpose fiber stripping pliers according to claim 5, wherein: the first peeling knife is arranged on the first clamp body, and the second peeling knife is arranged on the second clamp body.

8. The multipurpose fiber stripping pliers according to claim 5, wherein: the first peeling knife and the second peeling knife are arranged in the support, and the first peeling knife and the second peeling knife can be pushed to move oppositely by the closing movement of the first clamp body and the second clamp body.

9. The multipurpose fiber stripping pliers according to claim 3, wherein: n cutting parts are arranged at the jaw, N is an integer larger than 1, and different cutting parts are used for processing coating layers of optical fibers with different diameters.

10. The multipurpose fiber stripping pliers of claim 9, wherein: the first cleaning component is arranged on the first clamp body, the second cleaning component is arranged on the second clamp body, and the first cleaning component and the second cleaning component can be driven to contact or separate by the movement of the first clamp body and the second clamp body.

11. The multipurpose fiber stripping pliers of claim 10, wherein: the first cleaning component and the second cleaning component are cylindrical and are respectively arranged on the first clamp body and the second clamp body through shafts.

12. The multipurpose fiber stripping pliers according to claim 3, wherein: the multipurpose fiber stripping pliers are also provided with a cutter.

13. The multipurpose fiber stripping pliers of claim 12, wherein: the first cutter is arranged on the first clamp body, the second cutter is arranged on the second clamp body, the first cutter and the second cutter are arranged on one side of the jaw in a corresponding position and can be closed along with the closing of the first clamp body and the second clamp body.

14. The multipurpose fiber stripping pliers of claim 13, wherein: the first cleaning component is arranged on the first clamp body, the second cleaning component is arranged on the second clamp body, the first cleaning component and the second cleaning component can be driven to be contacted or separated by the movement of the first clamp body and the second clamp body, the first cleaning component and the second cleaning component are arranged on the other side opposite to the cutter, and an adjusting device for adjusting the distance between the first clamp body and the second clamp body in a closed state is arranged between the first clamp body and the second clamp body on the other side.

15. The multipurpose fiber stripping pliers of claim 14, wherein: the adjusting device is a bolt, one end of the bolt is in threaded fit with one of the first clamp body and the second clamp body, the other end of the bolt is a free end, and when the first clamp body and the second clamp body are in a closed state, the free end is in contact with the other of the first clamp body and the second clamp body for limiting.

16. The multipurpose fiber stripping pliers according to claim 1, wherein: the through hole on the support is perpendicular to the planes where the first clamp body and the second clamp body are located, the through hole is a rectangular hole, and one short edge of the rectangular hole is located at a position close to the hinged position.

Technical Field

The invention relates to an optical fiber stripping tool, in particular to a multipurpose fiber stripping clamp.

Background

The optical fiber welding needs to peel off the end parts of two optical fibers, peel off the coating layer on the optical fibers, clean the optical fibers with alcohol and then weld the optical fibers. The sheath cable is widely used as one of the home-entry optical fibers, and a plurality of corresponding tools are needed to weld the sheath cable, so that the metal wires and the sheaths on two sides of the optical fibers in the sheath cable are firstly cut off, the optical fibers are exposed, and then the coating glass on the exposed optical fibers is coated. Stripping the sheath and cutting the wire requires special sheath wire stripping pliers, while stripping the fiber coating requires the use of miller pliers.

The rubber-insulated optical cable comprises an optical fiber positioned in the center, metal wires respectively arranged on two sides of the optical fiber, and a surface skin for coating the optical fiber and the metal wires. In the stripping, the surface and the wires on both sides need to be cut to leave the optical fiber at the center. In order to achieve a better cutting effect, the existing dermatoglyph wire stripping pliers generally adopt two handles which are respectively hinged on a base, and when the two handles are squeezed inwards, the cutting action is completed. For example, chinese utility model (publication No. CN204462445U), which discloses a rubber-insulated fiber cable stripping pliers, as shown in fig. 1, comprising a base with a horizontal wire inlet, two handles symmetrical to the wire inlet and hinged on the base, a wire inlet perpendicular to the wire inlet and passing through the base, and an upper blade and a lower blade respectively driven by the two handles and performing cutting motion along the wire inlet; the front side of the upper blade is provided with a support ridge which is suspended and extends downwards to be matched with the blade back of the lower blade to bend the steel wire in the optical fiber. Similar structure of the stripping pliers for the rubber-covered wires is disclosed in the Chinese invention patent (publication No. CN104238015B) and the Chinese utility model patent (publication Nos. CN201876566U, CN202794593U and CN 208351043U).

After the skin and the wire at the end of the covered wire optical cable are cut, the surface coating layer of the exposed optical fiber needs to be peeled off. Stripping of the fiber surface coating is typically performed using miller clamps. The utility model discloses a wire stripping pliers (miller pliers) in chinese utility model 201820441006.6, as shown in fig. 2, it includes the first pincers body and the second pincers body, is connected with first pincers handle on the first pincers body, is connected with the second pincers handle on the second pincers body, all is provided with the wire stripping groove that is used for the wire stripping on the cutting edge of the first pincers body and the second pincers body, and when the first pincers body and the second pincers body were closed, the coating on optical fiber surface can be peeled off in the wire stripping groove.

It is apparent that the use of a plurality of fiber strippers for the treatment of a covered wire optical cable causes inconvenience to users, and various attempts have been made to combine the functions of both the strippers into one. For example, in U.S. Pat. No. 3 (publication No. US09958610B2), there is disclosed a jacket cable optical fiber stripping knife, as shown in fig. 3, which comprises a first handle, a second handle, a first stripping knife, a second stripping knife, a reference block and a stroke adjusting device, the first handle and the second handle are movably connected with the reference block through handle rotating shafts, the first stripping knife and the second stripping knife are respectively arranged on the first handle and the second handle through blade rotating shafts, an optical fiber guide channel through which straight jacket cable optical fibers pass is arranged on the reference block, the optical fiber guide channel comprises a jacket cable jacket stripping sub-channel for stripping a jacket cable jacket and a bare fiber coating layer stripping sub-channel for stripping a bare fiber coating layer, the jacket cable jacket stripping sub-channel and the bare fiber coating layer stripping sub-channel are parallel, and a blade positioning guide channel which is far away from the first stripping knife and the second stripping knife is respectively arranged in an up-down shearing direction in which the optical fiber guide channel passes through, the first stripping knife and the second stripping knife move up and down in the blade positioning guide channel to shear the object to be sheared. The rubber-insulated-wire optical fiber stripping knife comprises a rubber-insulated-wire outer skin stripping sub-channel and a bare fiber coating layer stripping sub-channel, wherein the rubber-insulated-wire outer skin stripping sub-channel is used for stripping a rubber-insulated-wire outer skin, and the bare fiber coating layer stripping sub-channel is used for stripping a bare fiber coating layer. However, the flex cable optical fiber stripping blade is not convenient when used to strip bare fiber coatings alone.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a multipurpose fiber stripping pliers capable of stripping the outer skin of a stripped cable and the coating layer of a bare fiber.

In order to achieve the purpose, the invention adopts the technical scheme that:

a multipurpose fiber stripping pliers comprising:

the glass bare fiber coating clamp comprises a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are hinged together, one side of the first clamp body and the second clamp body at the hinged position is a clamp opening, the other side of the first clamp body and the second clamp body is a clamp handle, and the clamp opening is provided with an edge part which is matched with each other and used for coating a glass bare fiber;

it is characterized by also comprising:

the bracket is arranged between the clamp handles of the first clamp body and the second clamp body, a through hole is formed in the bracket and used for allowing the rubber-insulated optical cable to pass through, and the side wall of the through hole is used for supporting the rubber-insulated optical cable passing through the through hole;

the first stripping knife and the second stripping knife are positioned on two sides of the through hole and can move towards the inside of the through hole along with the opposite movement of the clamp handles, and the first stripping knife and the second stripping knife are matched with each other along with the movement of the first stripping knife and the second stripping knife towards the inside of the through hole and are used for cutting the metal wire and the skin in the covered wire optical cable.

Some preferred technical solutions of the present invention are as follows:

preferably, the first pliers body and the second pliers body are hinged together through a hinge shaft, and the bracket is hinged on the hinge shaft and can swing between the pliers handles of the first pliers body and the second pliers body.

Preferably, the through hole on the bracket is perpendicular to the plane where the first clamp body and the second clamp body are located, the through hole is a rectangular hole, and one short side of the rectangular hole is located at a position close to the hinge joint. The stripping knife can be conveniently arranged on the inner side of the clamp handle, and when the clamp handle is held tightly, the stripping knife moves oppositely to directly cut the rubber-insulated-wire optical cable.

Preferably, elastic elements are respectively arranged between the support and the handle of the first forceps body and the handle of the second forceps body.

Preferably, the first stripping knife is provided with a first open slot, the second stripping knife is provided with a second open slot, and the first open slot and the second open slot are relatively applied to accommodate the optical fiber.

Preferably, the elastic element has an elastic modulus ranging from 300N/m to 10000N/m.

Preferably, the resilient element is symmetrically arranged about the support.

Preferably, the first peeling knife is installed on the first clamp body, and the second peeling knife is installed on the second clamp body.

Preferably, the first peeling knife and the second peeling knife are arranged in the bracket, and the first peeling knife and the second peeling knife can be pushed to move towards each other by the closing movement of the first clamp body and the second clamp body.

Preferably, the jaw is provided with N blades, N being an integer greater than 1, the different blades being for treating coating layers of optical fibers of different diameters.

Preferably, a first cleaning component is arranged on the first pliers body, a second cleaning component is arranged on the second pliers body, and the first cleaning component and the second cleaning component can be driven to be contacted or separated by the movement of the first pliers body and the second pliers body.

Preferably, the first cleaning member and the second cleaning member are cylindrical and are respectively attached to the first caliper body and the second caliper body by a shaft.

Preferably, a cutter is further arranged on the multipurpose fiber stripping pliers.

Preferably, a first cutter is arranged on the first forceps body, a second cutter is arranged on the second forceps body, the first cutter and the second cutter are arranged on one side of the jaw in a corresponding position and can be closed along with the closing of the first forceps body and the second forceps body.

Preferably, the first cleaning member and the second cleaning member are provided on the other side opposite to the cutter, and an adjusting device for adjusting the distance between the first caliper body and the second caliper body in the closed state is provided between the first caliper body and the second caliper body on the one side.

Preferably, the adjusting device is a bolt, one end of the bolt is in threaded fit with one of the first clamp body and the second clamp body, and the other end of the bolt is a free end which is in contact with the other of the first clamp body and the second clamp body for limiting when the first clamp body and the second clamp body are in a closed state.

The invention has the beneficial effects that: the jaw can be used for stripping the optical fiber coating layer, and the first stripping knife and the second stripping knife can be effectively used for cutting off the metal wire and the skin in the covered wire optical cable through the matching of the first stripping knife and the second stripping knife with the bracket, so that a user can complete the work of stripping the covered wire and the optical fiber coating layer under the condition of not replacing pliers, and the jaw can also be independently used for stripping the covered wire or the optical fiber coating layer. In some preferred embodiments of the invention, the operations of stripping the rubber-covered wire and the optical fiber coating layer, removing the loose tube and the polyester yarn of the optical fiber and cleaning the optical fiber can be completed without replacing the pliers. The advantages of the present invention will be further described with reference to the following specific embodiments.

Drawings

Fig. 1-3 are schematic diagrams of the prior art.

FIG. 4 is a schematic diagram of an embodiment of the present invention.

Fig. 5 is a rear view of the embodiment shown in fig. 4.

Fig. 6 is a cross-sectional view taken along M-M in the embodiment of fig. 4.

Fig. 7 is a schematic view of the bracket in the embodiment of fig. 4.

Fig. 8 to 9 are schematic views of another embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the various embodiments of the invention, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with the following embodiments, it will be understood that they are not intended to limit the invention to these embodiments. On the contrary, the invention is intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention. Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components, and materials have not been described in detail so as not to unnecessarily obscure aspects of the present invention.

One embodiment of the present invention, as shown in fig. 4, is a multipurpose fiber stripper, which comprises a first body 21 and a second body 22, wherein the first body 21 and the second body 22 are hinged together by a hinge shaft 15. The first plier body 21 and the second plier body 22 are provided with a plier mouth 5 at one side of the hinged position and a plier handle 1 and a plier handle 9 at the other side, wherein the plier mouth 5 is provided with an edge part 6 which is matched with each other and is used for coating glass bare fibers. The blade 6 may be designed with a plurality of openings of different sizes as required for accommodating coating layers (e.g., 0.2mm, 0.5mm, 1mm openings, etc.) for stripping optical fibers of different diameters.

The design of the clamp body, the clamp jaw, the hinge shaft and the clamp handle can refer to the structure of the existing fiber stripping clamp or the clamp, and the skilled person can adjust the design according to the requirements, such as: different shapes or specifications are selected by referring to the design of the jaw or the handle of the existing Miller forceps.

The fiber stripper of the present embodiment is further provided with a bracket 17 between the clamp handle 1 and the clamp handle 9, and as shown in fig. 4 and 6, the bracket 17 is provided with a through hole 171, the direction of the through hole 171 is perpendicular to the plane of the clamp handle 1 and the clamp handle 9, and through holes 172 are provided on both sides of the through hole 171. The through-hole 171 is typically sized slightly larger than or uniform with the outer profile of the covered wire cable (e.g., the through-hole 171 may be a 2mm by 3mm rectangular hole with the long side of the rectangle approximately parallel to the forceps handle) through which the covered wire cable can pass, and the through-hole 171 is shaped so that the fiber is centered in the covered wire cable passing therethrough, with the wires above and below the fiber (i.e., one wire near the jaws and the other wire near the open ends of the forceps handle 1 and forceps handle 9). The through holes 172 are used as a passage for the passage of the stripping knives, and the stripping knives on both sides cut the covered optical fiber at the positions of the through holes 171. Blind holes 173 are further provided on both sides of the bracket 17, the blind holes 173 are used for mounting springs, springs 13 are mounted between the blind holes 173 on one side of the bracket 17 and the caliper handle 1, and springs 12 are mounted between the blind holes 173 on the other side of the bracket 17 and the caliper handle 9. The springs 12 and 13 are generally symmetrically arranged to provide a certain resilient return force to maintain the bracket 17 at a position intermediate or near intermediate the handles 1 and 9. In some embodiments, the spring constants of the springs 12 and 13 range from 300N/m to 10000N/m (e.g., 300N/m, 500N/m, 3000N/m, etc.), and the selection of the appropriate spring constant can balance the forces applied by the stripping blade to the covered wire cable when cutting different covered wire cables, thereby achieving a good cutting effect. In various embodiments, the spring constant of the spring 12 or the spring 13 can be selected arbitrarily, or in some embodiments, the spring 12 and the spring 13 can be eliminated, and only the holding bracket 17 can be pivoted between the forceps handles 1 and 9.

As shown in fig. 4 and 5, a first stripping knife 2 is installed on a clamp handle 1, a second stripping knife 11 is installed on a clamp handle 9, a first open slot (for example, an open slot with a width of 0.8mm, which can be applied to a single-core covered wire optical cable or a double-core covered wire optical cable) is formed in the first stripping knife, a second open slot is formed in the second stripping knife, and the first open slot and the second open slot are relatively applied to accommodate an optical fiber. Therefore, when the pliers handle 1 and the pliers handle 9 move oppositely, the first stripping knife 2 and the second stripping knife 11 are driven to move oppositely, the first stripping knife 2 and the second stripping knife 11 enter the through holes 172 on two sides of the through hole 171 respectively and gradually converge on two sides of the covered wire optical cable in the through hole 171, when the first stripping knife 2 and the second stripping knife 11 continue to move oppositely, the covered wire optical cable is cut, the metal wire and the skin in the covered wire optical cable are cut off, and the optical fiber part is reserved in a space formed by matching the first open slot and the second open slot. After the covered wire optical cable enters the through hole 171, the covered wire optical cable can be well positioned on the side wall of the through hole 171, then the first stripping knife 2 and the second stripping knife 11 cut the covered wire optical cable through the side edge, and the first stripping knife 2 and the second stripping knife 11 are matched with the side wall of the through hole 171 to well position the covered wire optical cable. Since a strong stress is applied to the cut portion when the metal wire of the covered wire optical cable is cut, if the covered wire optical cable cannot form a good support in the through hole 171 any more, the covered wire optical cable is unevenly stressed at the cut portion, and thus bending or cutting failure occurs. In other embodiments, the stripping knife can be mounted in the bracket, the stripping knife can slide in the bracket and cut the rubber-insulated optical cable in the through hole, the stripping knife is pushed by the clamp handle through a transmission component, such as a protrusion or other commonly used pushing components, the arrangement can ensure that the stripping knife only makes a linear cutting motion along a direction perpendicular to the through hole or along a certain line, and after the cutting is completed, the stripping knife is reset through the resetting device. The resetting device can adopt an elastic element or other mechanical resetting devices commonly used in the field.

In order to facilitate the user to perform a plurality of treatments on the optical fiber to be processed (fusion-spliced) without replacing the pincer, in addition to the above-described embodiment, the first cleaning member 4 may be attached to the first pincer body 21, and the second cleaning member 3 may be attached to the second pincer body 22, as shown in fig. 4 and 7. The movement of the first and second forceps bodies 21 and 22 can bring the first cleaning member 4 and the second cleaning member 3 into contact or apart. In the present embodiment, the first cleaning member 4 and the second cleaning member 3 are cylindrical cleaning cloths, and are attached to the first caliper body 21 and the second caliper body 22, respectively, via shafts. The cleaning cotton can wipe the optical fiber with the coating layer removed after being dipped in alcohol, for example, after the optical fiber with the coating layer removed is taken out from the jaw 5, the optical fiber is placed between the cleaning cotton, the clamp handle is then held tightly, the two cleaning cotton are contacted, the optical fiber is clamped between the two cleaning cotton, and the optical fiber is pulled to finish wiping. The cleaning cotton can rotate around the shaft, the wiping effect is better, and the cleaning cotton can be conveniently taken down and replaced after being dirty.

In other embodiments, a cutting blade 7 can be further disposed on the multipurpose stripper, as shown in fig. 4 and 7, and the cutting blade 7 is disposed on the first clamp body 21, on the outer side of the jaw 5, opposite to the cleaning cotton. The cutter 7 may be used to cut the fiber strand in a sheath or covered wire cable.

In other embodiments, the cutters may be respectively disposed on the first and second forceps bodies 21 and 22, for example, as shown in fig. 4, a first cutter 10 is disposed on the first forceps body 21, a second cutter 9 is disposed on the second forceps body 22, the first cutter 10 and the second cutter 9 are correspondingly disposed and disposed at one side of the jaw 5, and the first cutter 10 and the second cutter 9 can be closed along with the first forceps body and the second forceps body.

In some embodiments, as shown in fig. 7, the first cleaning member 4 and the second cleaning member 3 are disposed at the opposite sides of the cutting blades 10 and 9. And an adjusting device 18 for adjusting the distance between the first and second jaw bodies 21 and 22 in the closed state is provided between the first and second jaw bodies 21 and 22 behind the cleaning members 4 and 3. In particular, the adjusting device 18 may be a bolt, one end of which is engaged with the first clamp body 21 by a thread, and the other end of which is a free end that is in contact with the second clamp body 22 when the first and second clamp bodies are in the closed state. By adjusting the depth of the bolt fed into the first caliper body 21, the distance between the first caliper body 21 and the second caliper body 22 in the closed state can be adjusted.

In another embodiment of the invention, shown in fig. 8 and 9, the jaws and handles are arranged similarly to the embodiment shown in fig. 4, with the bracket 27 mounted at the articulation axis of the handles and able to pivot through a range of rotation (e.g., 10 °). The difference between this embodiment and the embodiment shown in fig. 1 mainly lies in the structure of the bracket 27, as shown in fig. 9, the through hole 271 of the bracket 27 penetrates along the length direction of the bracket (i.e. the direction approximately parallel to the clamp handle), the optical fiber 28 can pass through the through hole 271, through holes 272 are provided on both sides of the through hole 271, and the stripping knife can move in the through hole 272, thereby stripping and cutting the covered wire optical cable. In this embodiment, the through-hole 271 is a rectangular hole having a length of about 3mm in the axial direction of the hinge shaft and a length of about 2mm in the other direction. Such a through hole 271 may be provided to facilitate the placement of the peeling blade directly on the handle of the pliers.

Technical personnel in the field can set up the through-hole on the support according to own needs to design the direction of motion of broach according to this, only need the broach homoenergetic of both sides can get into the through-hole and cut the rubber-insulated-wire cable can, in the cutting process, the through-hole needs support the rubber-insulated-wire cable, avoids the stress at cutting department to lead to the rubber-insulated-wire cable to produce serious buckling, leads to peeling and cutting difficulty or failure.

The technical solutions of the above embodiments of the present invention are not intended to limit the present invention to these embodiments. On the basis of the described embodiments of the invention, a person skilled in the art will be able to derive other embodiments without making any inventive contribution, which are within the scope of legal protection afforded to this invention.

Moreover, all of the features, measures or treatments disclosed herein (unless specified and/or treated as mutually exclusive) can be combined in any way and combined in any possible combination. Unless otherwise indicated, the features disclosed in the specification, claims, abstract, and drawings may be replaced by other equivalent features or features having similar objects, purposes, and/or functions.