CN221088698U

CN221088698U - Fiber pulling pliers

Info

Publication number: CN221088698U
Application number: CN202322722888.7U
Authority: CN
Inventors: 余宏国
Original assignee: Agricultural Bank Of China Ltd Ningxia Hui Autonomous Region Branch
Current assignee: Agricultural Bank Of China Ltd Ningxia Hui Autonomous Region Branch
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-06-07
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a fiber pulling clamp which comprises a first clamping body, a second clamping body and an adjustable chuck, wherein the first clamping body and the second clamping body are connected through a hinge shaft, and the first clamping body and the second clamping body form a clamp body structure capable of being opened and closed for clamping. The adjustable chuck comprises two chuck claws which are movably arranged at the clamping end of the first clamping body and matched with the clamping end of the second clamping body to clamp the optical fiber wire, and the chuck claws extend towards the direction of the second clamping body. When the adjustable chuck is in a first state, the two chuck claws are separated by a first distance and are used for clamping the double-core optical fiber in one-to-one correspondence with the two joints of the double-core optical fiber. When the adjustable chuck is in the second state, the two chuck claws are separated by a second distance, and the first distance is larger than the second distance and is used for simultaneously corresponding to the joint of the single-core optical fiber to clamp the single-core optical fiber. The fiber pulling pliers disclosed by the utility model can be used for clamping single-core optical fibers and double-core optical fibers, and have strong practicability.

Description

Fiber pulling pliers

Technical Field

The utility model relates to the technical field of auxiliary tools of communication equipment, in particular to a pair of fiber pulling pliers.

Background

With the increasing requirements of equipment communication capacity, the optical modules are densely arranged, the optical fibers are densely arranged, and the number of the optical modules is increased. Under normal conditions, the optical fiber is locked with the optical module through the buckle, and the optical fiber can be pulled out only by pressing the buckle; the optical module is locked with the shielding shell through the pull ring, the pull ring is pulled forward, the optical module can be separated from the shielding shell, even the optical module of part of the machine disc sinks into the machine disc, the optical fiber and the optical module cannot be directly plugged and pulled by hands, and at the moment, the optical fiber and the optical module are plugged and pulled by special tools.

The existing fiber pulling tool can only pull single-core optical fibers or double-core optical fibers, operators need to carry two kinds of tools at the same time in the maintenance process, and the tools are replaced in the use process, so that the practicability is low.

Therefore, how to make the fiber pulling pliers implement the clamping of the single-core optical fiber and the double-core optical fiber so as to improve the practicability of the fiber pulling pliers is a technical problem to be solved urgently by those skilled in the art.

Disclosure of utility model

In view of the above, an object of the present utility model is to provide a fiber pulling clamp for clamping a single-core optical fiber and a double-core optical fiber, and to improve the practicality of the fiber pulling clamp.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a fiber pulling clamp comprises a first clamping body, a second clamping body and an adjustable chuck, wherein the first clamping body and the second clamping body are connected through a hinge shaft;

the adjustable chuck comprises two chuck claws which are movably arranged at the clamping end of the first clamping body so as to be matched with the clamping end of the second clamping body to clamp the optical fiber wire;

When the adjustable chuck is in a first state, two chuck claws are spaced by a first distance and are used for clamping a double-core optical fiber; when the adjustable chuck is in a second state, the two chuck claws are separated by a second distance and are used for clamping the single-core optical fiber, and the first distance is larger than the second distance.

Optionally, in the fiber pulling pliers, the adjustable chuck includes:

the fixed shaft is arranged at the clamping end of the first clamping body;

the movable body is two, which are slidably arranged on the fixed shaft, and the chuck jaws are correspondingly connected with the movable body one by one;

And the compression spring is sleeved on the fixed shaft and positioned between the two movable bodies and used for pushing the two chuck jaws to be away from each other.

Optionally, in the fiber pulling pliers, the adjustable chuck further includes an opening and closing control portion, and the opening and closing control portion is slidably disposed at a clamping end of the first clamping body;

The movable body is provided with first limiting parts, and the first limiting parts are provided with opening and closing locking half holes;

When the adjustable chuck is in a first state, the two opening and closing locking half holes are staggered, and the opening and closing control part is abutted with the two first limiting parts; when the adjustable chuck is in the second state, the two opening and closing locking half holes are communicated and form an opening and closing locking hole, and the opening and closing control part is embedded into the opening and closing locking hole.

Optionally, in the fiber pulling pliers, the first clamping body is provided with a sliding groove for the opening and closing control part to slide, and when the adjustable chuck is in the second state, the sliding groove is communicated with the opening and closing locking hole;

The opening/closing control unit includes:

the opening and closing locking rod is in sliding fit with the sliding chute and is used for being embedded into the opening and closing locking hole;

The opening and closing button is exposed out of the chute;

The opening and closing connecting rod is connected between the opening and closing locking rod and the opening and closing button and is in sliding fit with the sliding groove.

Optionally, in the fiber pulling pliers, an elastic element is disposed at one end of the sliding groove away from the opening and closing locking hole, and the elastic element is connected with the opening and closing locking rod or the opening and closing connecting rod, and is used for pushing the opening and closing locking rod to slide into the opening and closing locking hole.

Optionally, in the fiber pulling pliers, the adjustable chuck includes:

the fixed shaft is arranged at the clamping end of the first clamping body;

The first movable body and the second movable body are both hinged on the fixed shaft and are respectively connected with one chuck claw;

The torsion spring is sleeved on the fixed shaft, and the first movable body and the second movable body are respectively connected with one torsion arm of the torsion spring and used for driving the two chuck jaws to be away from each other.

Optionally, in the fiber pulling pliers, the adjustable chuck further includes an opening and closing control portion, and the opening and closing control portion is slidably disposed on the first movable body;

The first movable body is provided with a first opening and closing locking half hole, the opening and closing control part corresponds to the position of the first opening and closing locking half hole, the second movable body is provided with a second limiting part, and the second limiting part is provided with a second opening and closing locking half hole;

When the adjustable chuck is in a first state, the first opening and closing locking half hole and the second opening and closing locking half hole are staggered, and the opening and closing control part is abutted with the second limiting part; when the adjustable chuck is in a second state, the first opening and closing locking half hole is communicated with the second opening and closing locking half hole, an opening and closing locking hole is formed, and the opening and closing control part is embedded into the opening and closing locking hole.

Optionally, in the fiber pulling pliers, the first movable body is provided with a chute for sliding the opening and closing control part, and the chute is communicated with the first opening and closing locking half hole;

The opening/closing control unit includes:

The opening and closing button is exposed out of the chute;

Optionally, in the fiber pulling pliers, an elastic element is disposed at one end of the sliding groove away from the first opening and closing locking half hole, and the elastic element is connected with the opening and closing locking rod or the opening and closing connecting rod, and is used for pushing the opening and closing locking rod to slide towards the direction where the first opening and closing locking half hole is located.

Optionally, in the fiber pulling pliers, the fiber pulling pliers further includes an illumination lamp assembly, wherein the illumination lamp of the illumination lamp assembly is disposed on an outer wall of the clamping end of at least one of the first clamping body and the second clamping body.

Optionally, in the fiber pulling pliers, the first clamping body is provided with a light guide groove, the illuminating lamp is arranged at a first end of the light guide groove, and a second end of the light guide groove extends to an end part of the clamping end of the first clamping body; and/or the number of the groups of groups,

The second clamping body is provided with a light guide groove, the illuminating lamp is arranged at the first end of the light guide groove, and the second end of the light guide groove extends to the end part of the clamping end of the second clamping body.

Optionally, in the fiber pulling pliers, the light guiding groove is gradually increased in width from the first end to the second end.

The fiber pulling clamp provided by the utility model comprises a first clamping body, a second clamping body and an adjustable chuck, wherein the first clamping body and the second clamping body are connected through a hinge shaft, and the first clamping body and the second clamping body form a clamp body structure capable of being opened and closed for clamping. The adjustable chuck comprises two chuck claws which are movably arranged at the clamping end of the first clamping body and matched with the clamping end of the second clamping body to clamp the optical fiber wire, and the chuck claws extend towards the direction of the second clamping body. When the adjustable chuck is in a first state, the two chuck claws are separated by a first distance and are used for clamping the double-core optical fiber in one-to-one correspondence with the two joints of the double-core optical fiber. When the adjustable chuck is in the second state, the two chuck claws are separated by a second distance, and the first distance is larger than the second distance and is used for simultaneously corresponding to the joint of the single-core optical fiber to clamp the single-core optical fiber.

Compared with the prior art, the fiber pulling clamp provided by the utility model has the advantages that the structure is small and exquisite, the carrying is convenient, the clamping of single-core optical fibers and double-core optical fibers can be realized through the change of the interval distance between the two clamping jaws, the practicability is higher, and the fiber pulling clamp with the adjustable clamping jaws can be used for rapidly pulling out an optical fiber module.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a fiber pulling clamp according to an embodiment of the present utility model;

FIG. 2 is a left side view of a fiber pulling clamp according to an embodiment of the present utility model;

FIG. 3 is a right side view of a fiber pulling clamp according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of a first adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 5 is a schematic illustration of a first adjustable chuck in a second condition according to an embodiment of the present utility model;

FIG. 6 is a front view of a first adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 7 is a front view of a first adjustable chuck in a second condition according to an embodiment of the present utility model;

FIG. 8 is a side view of a first adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 9 is a side view of a first adjustable chuck in a second condition according to an embodiment of the present utility model;

FIG. 10 is a top view of a first adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 11 is a top view of a first adjustable chuck in a second state according to an embodiment of the present utility model;

FIG. 12 is a front view of the mounting structure of the movable body and collet chuck device disclosed in the embodiment of the utility model;

FIG. 13 is a side view of a mounting structure for a movable body and chuck jaws according to an embodiment of the present utility model;

FIG. 14 is a top view of a mounting structure for a movable body and chuck jaws according to an embodiment of the present utility model;

fig. 15 is a schematic structural diagram of an opening/closing control portion according to an embodiment of the present utility model;

FIG. 16 is a schematic view of a second adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 17 is a schematic view of a second adjustable chuck in a second state according to an embodiment of the present utility model;

FIG. 18 is a side view of a second adjustable chuck in a first condition according to an embodiment of the present utility model;

FIG. 19 is a top view of a second adjustable chuck in a first state according to an embodiment of the present utility model;

FIG. 20 is a top view of a first adjustable chuck in a second condition according to an embodiment of the present utility model;

FIG. 21 is a front view of a mounting structure of an illumination lamp according to an embodiment of the present utility model;

fig. 22 is a side view of a mounting structure of an illumination lamp according to an embodiment of the present utility model.

Wherein 100 is a clamping body, 101 is a handle anti-slip edge, 102 is a light guide groove, 103 is a chuck anti-slip edge, 110 is a hinge shaft, and 120 is a main frame spring;

200 is an adjustable chuck, 201 is a chuck fixing shaft hole, 202 is an opening and closing locking half hole, 210 is a chuck claw, 220 is an opening and closing button, 221 is an opening and closing locking rod, 222 is an opening and closing connecting rod, 230 is a chuck spring, and 240 is a fixed shaft;

300 is a lamp switch, 310 is a lamp, and 320 is a lamp battery.

Detailed Description

The core of the utility model is to disclose a fiber pulling clamp, so that the fiber pulling clamp can clamp a single-core optical fiber and a double-core optical fiber, and the practicability of the fiber pulling clamp is improved.

Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.

Referring to fig. 3, the fiber pulling clamp according to the embodiment of the present utility model includes a first clamping body and a second clamping body connected by a hinge shaft 110, and an adjustable chuck 200, where the first clamping body and the second clamping body form a clamp structure that can be opened and closed to clamp. The adjustable collet 200 includes two collet fingers 210, the collet fingers 210 being movably disposed at the clamping end of the first clamping body to cooperate with the clamping end of the second clamping body to clamp the optical fiber, as shown in fig. 1, the collet fingers 210 extending in the direction of the second clamping body.

Referring to fig. 4 and 5, when the adjustable clamp 200 is in the first state, the two clamp jaws 210 are spaced apart by a first distance for clamping the dual-core optical fiber in one-to-one correspondence with the two splices of the dual-core optical fiber. When the adjustable collet 200 is in the second state, the two collet fingers 210 are spaced apart by a second distance, and the first distance is greater than the second distance, for simultaneously corresponding to the splice of a single-core optical fiber for gripping the single-core optical fiber.

Compared with the prior art, the fiber pulling clamp disclosed by the embodiment of the utility model has the advantages of small structure, portability, strong practicality and capability of realizing clamping of a single-core optical fiber and a double-core optical fiber through the change of the interval distance between the two clamping jaws 210, and can be used for rapidly pulling out an optical fiber module.

As shown in fig. 1, two clamping bodies 100 (a first clamping body and a second clamping body) are hinged by a hinge shaft 110.

In a particular embodiment of the present disclosure, the adjustable collet 200 includes a stationary shaft 240, a movable body, and a compression spring (collet spring 230). The fixed shaft 240 is disposed at an end of the clamping end of the first clamping body, and the movable body is two slidably disposed on the fixed shaft 240, and the chuck jaws 210 are connected with the movable body in a one-to-one correspondence manner, so as to drive the chuck jaws 210 to slide on the movable body. The compression spring is sleeved on the fixed shaft 240 and is located between the two movable bodies, and the compression spring is used for pushing the two chuck jaws 210 to move away from each other, and when the chuck jaws move to the limit position, the adjustable chuck 200 is in the first state, so that the dual-core optical fiber is pulled out.

Referring to fig. 1, the movable body is disposed along the extending direction of the clamping end of the first clamping body, the clamping jaw 210 is perpendicular to the movable body and extends toward the second clamping body, and the clamping jaw 210 can hook the optical fiber module or press the fixed elastic sheet of the LC single-core or double-core optical fiber connector to realize the drawing of the optical fiber.

In this embodiment, when the adjustable chuck 200 is in the first state, the two movable bodies are parallel to each other, so that the stability is high, and the requirement on the hardness of the material is relatively low.

Further, in order to achieve the holding of the collet chuck jaws 210 in a state of being close to each other for gripping the single-core optical fiber, the adjustable collet 200 further includes an opening/closing control portion slidably disposed at the gripping end of the first gripping body. Referring to fig. 12, a first limiting portion is provided on each of the two movable bodies, and an opening/closing locking half hole 202 is provided on each of the first limiting portions. Referring to fig. 6, 8 and 10, when the adjustable chuck 200 is in the first state, the two opening and closing locking half holes 202 are staggered, the opening and closing control part is abutted with the two first limiting parts, and the two chuck claws 210 are far away from each other; referring to fig. 7, 9 and 11, when the adjustable chuck 200 is in the second state, the two open-close locking half holes 202 are communicated and form an open-close locking hole, and the open-close control part is embedded in the open-close locking hole to fix the positions of the chuck jaws 210, so that the two chuck jaws 210 are close to each other, and the chuck jaws 210 are kept in a state of being close to each other.

The position of the opening and closing locking half hole 202 may be set according to actual requirements to control the second distance, as shown in fig. 12, where the opening and closing locking half hole 202 is located at the connection position of the movable body and the first limiting portion. Referring to fig. 10, the two first limiting portions are mutually retracted so as to respectively abut against different positions of the end face of the opening and closing control portion.

A sliding groove for sliding the opening and closing control part is formed at the clamping end of the first clamping body, and the sliding groove is communicated with the opening and closing locking hole when the adjustable chuck 200 is in the second state.

Referring to fig. 15, the opening and closing control part includes an opening and closing locking lever 221, an opening and closing button 220, and an opening and closing connecting lever 222. The opening and closing locking rod 221 is slidably matched with the sliding groove and is used for being embedded into the opening and closing locking hole, and the opening and closing button 220 is exposed out of the sliding groove and is used for being used by a user. The opening and closing connecting rod 222 is connected between the opening and closing locking rod 221 and the opening and closing button 220, and is in sliding fit with the sliding groove.

The user can slide the opening and closing locking rod 221 out of the opening and closing locking hole by sliding the opening and closing button 220, and the chuck jaws 210 are mutually far away under the action of the compression spring, so that the second state is switched to the first state. The user pushes the chuck jaws 210 toward each other until the two open-close locking half holes 202 are opposite, and at this time, the open-close locking rod 221 is pushed into the open-close locking hole, that is, the second state is switched to the first state.

Further, in order to compress the opening and closing locking rod 221 in the opening and closing locking hole, the first state is maintained, an elastic member is disposed at one end of the chute away from the opening and closing locking hole, and the elastic member is connected with the opening and closing control portion (the opening and closing locking rod 221 or the opening and closing connecting rod 222) to automatically push the opening and closing control portion to slide into the opening and closing locking hole, and the adjustable chuck 200 is locked in the second state.

The user pushes the chuck jaws 210 to approach each other until the two opening and closing locking half holes 202 are opposite, and the opening and closing locking rod 221 is automatically embedded into the opening and closing locking holes under the pushing of the elastic piece, so that the switching from the second state to the first state is realized.

The holding of the two collet fingers 210 in the second state may be achieved by a single stopper provided separately, in addition to the opening and closing control section described above. Specifically, the limiting member is provided with a limiting groove, and after the two chuck jaws 210 are pushed and approach to a certain distance by a user, the two movable bodies are embedded into the limiting groove, so that the second state is maintained.

As shown in fig. 13 and 14, in an embodiment, the movable body is slidably disposed at an end portion of the clamping end of the first clamping body, the movable body is provided with a chuck fixing shaft hole 201, the fixing shaft 240 is disposed in the chuck fixing shaft hole 201 in a penetrating manner, the compression spring is sleeved on the fixing shaft 240 and is located between the two movable bodies, so as to realize the switching of the adjustable chuck 200 between the first state and the second state.

In another specific embodiment of the present disclosure, referring to fig. 16 and 17, an adjustable chuck 200 includes a fixed shaft 240, a first movable body, a second movable body, and a torsion spring (chuck spring 230). The fixed shaft 240 is arranged at the clamping end of the first clamping body, and the first movable body and the second movable body are both hinged on the fixed shaft 240 and are respectively connected with a chuck claw 210; the torsion spring is sleeved on the fixed shaft 240, the first movable body and the second movable body are respectively connected with one torsion arm of the torsion spring, and the torsion spring can drive the two chuck jaws 210 to move in a direction away from each other by the torsion of the torsion spring so as to open in a cross manner.

In this implementation, in the first state, two movable bodies are triangular opening, simple structure, and the practicality is good, and is relatively higher to the requirement of material hardness, and in the second state, two movable bodies laminating, the interval is 0.

In order to achieve the holding of the chuck jaws 210 in the first state, referring to fig. 18, the adjustable chuck 200 further includes an opening and closing control portion slidably disposed on the first movable body; the first movable body is provided with a first opening and closing locking half hole, the opening and closing control part corresponds to the position of the first opening and closing locking half hole, the second movable body is provided with a second limiting part, and the second limiting part is provided with a second opening and closing locking half hole; as shown in fig. 19, when the adjustable chuck 200 is in the first state, the first opening and closing locking half hole and the second opening and closing locking half hole are staggered, and the opening and closing control part is abutted with the second limiting part; as shown in fig. 20, when the adjustable chuck 200 is in the second state, the first opening and closing locking half hole and the second opening and closing locking half hole are communicated, and an opening and closing locking hole is formed, and the opening and closing control part is embedded in the opening and closing locking hole.

It should be noted that, the first movable body is provided with an avoidance groove, so that the structure of the second limiting portion is avoided in the process that the second limiting portion rotates along with the second movable body.

The second limiting part can be arc-shaped, so that the opening and closing control part can be blocked better in the process that the first movable body and the second movable body are close to each other.

In another specific embodiment disclosed in connection with fig. 16, a limiting torsion spring is disposed on the first movable body, a torsion arm of the limiting torsion spring extends out of an opening of the first opening and closing locking half hole, when the adjustable chuck 200 is in the first state, the torsion arm is abutted against the opening and closing limiting part and limits the opening and closing control part to the outside of the first opening and closing locking half hole, when the adjustable chuck 200 is in the second state, the torsion arm is pushed away by the second limiting part, the first opening and closing locking half hole is communicated with the second opening and closing locking half hole, and an opening and closing locking hole is formed, and the opening and closing control part is embedded into the opening and closing locking hole.

In this embodiment, the second limiting portion may be smaller in size, and only when the adjustable chuck 200 is in the second state, the torque arm of the limiting torsion spring may be pushed away, so that the first opening and closing locking half hole and the second opening and closing locking half hole are communicated.

A sliding groove for sliding the opening and closing control part is formed in the first movable body and is communicated with the first opening and closing locking half hole.

The opening and closing control part includes an opening and closing locking lever 221, an opening and closing button 220, and an opening and closing connecting lever 222. The opening and closing locking rod 221 is in sliding fit with the sliding groove and is used for being embedded into the opening and closing locking hole, and the opening and closing button 220 is exposed out of the sliding groove and is used for being pushed by a user; the opening and closing connecting rod 222 is connected between the opening and closing locking rod 221 and the opening and closing button 220, and is in sliding fit with the sliding groove.

Further, an elastic member is disposed at one end of the chute away from the first opening and closing locking half hole, and the elastic member is connected with the opening and closing locking rod 221 or the opening and closing connecting rod 222, so as to push the opening and closing control portion to abut against the second limiting portion and slide towards the direction in which the first opening and closing locking half hole is located.

In this embodiment, the retention of the collet fingers 210 in the first state may also be achieved by the separately provided stop members described above.

In order to extract the optical fiber in the case of insufficient light, in a specific embodiment of the present disclosure, the fiber pulling pincer further includes an illumination lamp assembly, and an illumination lamp 310 of the illumination lamp assembly is disposed on an outer wall of the clamping end of at least one of the first clamping body and the second clamping body.

The illuminating lamp assembly can solve the problems of dark light and difficult positioning when the optical fiber wire and the optical fiber module are manually pulled out, and is beneficial to maintenance personnel to quickly inspect and solve the problems of the optical fiber wire and the optical fiber module.

A battery mounting hole is provided on the handle end of at least one of the first clamping body and the second clamping body, the illumination lamp battery 320 is provided in the battery mounting hole, and correspondingly, the control switch of the illumination lamp is also provided on the handle end of the first clamping body or the second clamping body.

Referring to fig. 21 and 22, the first clamping body is provided with a light guide groove 102, and an illumination lamp 310 is provided at a first end of the light guide groove 102, and a second end of the light guide groove 102 extends toward an end of the clamping end of the first clamping body.

Referring to fig. 2, the second clamping body is provided with a light guide groove 102, and an illumination lamp 310 is disposed at a first end of the light guide groove 102, and a second end of the light guide groove 102 extends toward an end of the clamping end of the second clamping body.

An illumination lamp fixing hole is provided at the bottom of the light guide groove 102, and an illumination lamp 310 is provided in the illumination lamp fixing hole and electrically connected with the illumination lamp battery and the illumination lamp switch 300.

Further, the width of the light guiding groove 102 increases from the first end to the second end, so as to improve the light guiding effect.

Referring to fig. 1, a main frame spring hole is provided on a surface of the first clamping body and the second clamping body where the handle ends thereof are close to each other, and a main frame spring 120 for keeping the handle ends of the first clamping body and the second clamping body away from each other is connected between the main frame spring holes.

A handle slip prevention rib 101 is provided on a surface of the first and second clamping bodies where the handle ends are away from each other.

Referring to fig. 1, a grip anti-slip rib 103 is provided on the inner surface of the grip end of the second grip body.

The terms first and second and the like in the description and in the claims, are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The fiber pulling clamp is characterized by comprising a first clamping body, a second clamping body and an adjustable clamping head (200), wherein the first clamping body and the second clamping body are connected through a hinge shaft (110);

The adjustable chuck (200) comprises two chuck claws (210), and the chuck claws (210) are movably arranged at the clamping ends of the first clamping body so as to be matched with the clamping ends of the second clamping body to clamp the optical fiber;

When the adjustable chuck (200) is in a first state, two chuck claws (210) are spaced apart by a first distance and are used for clamping a double-core optical fiber; the adjustable collet (200) is in a second state with two collet fingers (210) spaced apart a second distance for gripping a single core optical fiber, the first distance being greater than the second distance.

2. The fiber-pulling clamp according to claim 1, characterized in that the adjustable clamp head (200) comprises:

A fixed shaft (240) provided at a clamping end of the first clamping body;

The movable body is two, which are slidably arranged on the fixed shaft (240), and the chuck claws (210) are correspondingly connected with the movable body one by one;

And the compression spring is sleeved on the fixed shaft (240) and positioned between the two movable bodies and is used for pushing the two chuck jaws (210) to be away from each other.

3. The fiber pulling clamp according to claim 2, wherein the adjustable clamp head (200) further comprises an opening and closing control part slidably arranged at a clamping end of the first clamping body;

The movable body is provided with first limiting parts, and the first limiting parts are provided with opening and closing locking half holes (202);

When the adjustable chuck (200) is in a first state, the two opening and closing locking half holes (202) are staggered, and the opening and closing control part is abutted with the two first limiting parts; when the adjustable chuck (200) is in the second state, the two opening and closing locking half holes (202) are communicated and form an opening and closing locking hole, and the opening and closing control part is embedded into the opening and closing locking hole.

4. A fiber pulling clamp according to claim 3, wherein the first clamping body is provided with a chute for the opening and closing control part to slide, and the chute is communicated with the opening and closing locking hole when the adjustable clamping head (200) is in the second state;

The opening/closing control unit includes:

An opening and closing locking rod (221) which is in sliding fit with the sliding chute and is used for being embedded into the opening and closing locking hole;

an opening and closing button (220) exposed out of the chute;

The opening and closing connecting rod (222) is connected between the opening and closing locking rod (221) and the opening and closing button (220) and is in sliding fit with the sliding groove.

5. The fiber pulling clamp according to claim 4, wherein an elastic member is arranged at one end of the sliding groove away from the opening and closing locking hole, and the elastic member is connected with the opening and closing locking rod (221) or the opening and closing connecting rod (222) and is used for pushing the opening and closing locking rod (221) to slide into the opening and closing locking hole.

6. The fiber-pulling clamp according to claim 1, characterized in that the adjustable clamp head (200) comprises:

A fixed shaft (240) provided at a clamping end of the first clamping body;

The first movable body and the second movable body are both hinged on the fixed shaft (240) and are respectively connected with one chuck claw (210);

The torsion spring is sleeved on the fixed shaft (240), and the first movable body and the second movable body are respectively connected with one torsion arm of the torsion spring and used for driving the two chuck jaws (210) to be away from each other.

7. The fiber pulling clamp according to claim 6, wherein the adjustable clamp head (200) further comprises an opening and closing control part slidably arranged on the first movable body;

When the adjustable chuck (200) is in a first state, the first opening and closing locking half hole and the second opening and closing locking half hole are staggered, and the opening and closing control part is abutted with the second limiting part; when the adjustable chuck (200) is in the second state, the first opening and closing locking half hole is communicated with the second opening and closing locking half hole, an opening and closing locking hole is formed, and the opening and closing control part is embedded into the opening and closing locking hole.

8. The fiber pulling clamp according to claim 7, wherein a chute for sliding the opening and closing control part is formed in the first movable body, and the chute is communicated with the first opening and closing locking half hole;

The opening/closing control unit includes:

an opening and closing button (220) exposed out of the chute;

9. The fiber pulling clamp according to claim 8, wherein an elastic member is arranged at one end of the sliding groove away from the first opening and closing locking half hole, and the elastic member is connected with the opening and closing locking rod (221) or the opening and closing connecting rod (222) and is used for pushing the opening and closing locking rod (221) to slide towards the direction of the first opening and closing locking half hole.

10. The fiber pulling clamp according to any one of claims 1 to 9, further comprising a lamp assembly, wherein a lamp (310) of the lamp assembly is provided on an outer wall of the clamping end of at least one of the first clamping body and the second clamping body.

11. The fiber pulling clamp according to claim 10, wherein the first clamping body is provided with a light guide groove (102), the illuminating lamp (310) is arranged at a first end of the light guide groove (102), and a second end of the light guide groove (102) extends to an end part of the clamping end of the first clamping body; and/or the number of the groups of groups,

The second clamping body is provided with a light guide groove (102), the illuminating lamp (310) is arranged at the first end of the light guide groove (102), and the second end of the light guide groove (102) extends to the end part of the clamping end of the second clamping body.

12. The fiber-pulling clamp as defined in claim 11, characterized in that the light-guiding groove (102) has a width increasing from the first end in the direction of the second end.