CN218240464U - Optical fiber cutting device - Google Patents

Abstract

The utility model relates to the technical field of optical fiber processing, and discloses an optical fiber cutting device, which comprises a holding part, a tool rest component, a blade and an elastic piece, wherein the holding part is used for holding; the first end of the knife rest component is movably connected with the holding part, and the blade is connected with the second end of the knife rest component; the elastic piece both ends are connected with knife rest assembly and the portion of gripping respectively, and the elastic piece enables knife rest assembly to remove for the portion of gripping along predetermineeing the direction. The setting up of elastic component makes the blade be flexible cutting at the in-process of cutting optic fibre, and when the power of cutting optic fibre was great, the elastic component can be through warping the partial cutting force of absorption, avoids exerting too big cutting force because of the blade and leading to optic fibre to be pushed up absolutely, guarantees that optic fibre is cut off by the blade gradually for the optic fibre cutting plane is comparatively level and smooth, thereby improves the quality of optic fibre cutting, makes things convenient for the later stage to carry out processes such as fiber connection.

Description

Optical fiber cutting device

Technical Field

The utility model relates to an optic fibre processing technology field, in particular to optic fibre cutting device.

Background

The optical fiber cutting device is used for cutting optical fibers and is suitable for various production scenes such as optical fiber connection, optical device processing, optical fiber testing and the like.

The optical fiber cutting device in the prior art includes a grip portion and a blade connected to the grip portion. When the optical fiber cutting device is used, the blade is used for rigid cutting, and if the cutting force is too small, the optical fiber is difficult to cut; if the cutting force is too large, the optical fiber is directly cut off (instead of being directly cut off), so that the section of the optical fiber is sawed and rough, and further the subsequent processing and use of the optical fiber are influenced.

Therefore, a need exists for an optical fiber cleaver that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical fiber cutting device can improve the quality of optical fiber cutting, makes things convenient for the later stage to carry out processes such as optical fiber connection.

To achieve the purpose, the utility model adopts the following technical proposal:

an optical fiber cleaver device comprising:

a grip portion for gripping;

the first end of the knife rest component is movably connected with the holding part;

a blade connected to the second end of the carriage assembly;

the elastic piece, the elastic piece both ends respectively with the knife rest component with the portion of gripping is connected, the elastic piece enables the knife rest component moves for along preset direction the portion of gripping.

Preferably, a through hole extending along a preset direction is formed in the holding portion, and the first end of the tool rest assembly penetrates through the through hole and can slide in the through hole.

Preferably, the first end of the carriage assembly comprises:

the penetrating part penetrates through the through hole and can slide in the through hole;

the first bulge is connected to one end, close to the blade, of the penetrating part and can be abutted against the end face of one end of the penetrating hole;

and the second bulge part is connected to one end, far away from the blade, of the penetrating part and can be abutted against the end face of the other end of the penetrating hole.

Preferably, the elastic member is sleeved on the penetrating portion, one end of the elastic member is connected with the first protruding portion, and the other end of the elastic member is connected with the holding portion.

Preferably, the knife rest assembly comprises a knife rest and a movable piece, the knife rest and the movable piece are respectively penetrated through the through hole from two ends of the through hole and detachably connected, the first protruding portion is arranged on the knife rest, the second protruding portion is arranged on the movable piece, and the blade is connected with the knife rest.

Preferably, the blade is detachably connected with the blade carrier assembly.

Preferably, at least one side of the blade is provided with a plurality of grooves, the tool rest assembly is provided with a limiting part, and the limiting part can be inserted into any one of the grooves to limit the blade.

Preferably, the optical fiber cutting device further comprises a protective cover, wherein the protective cover is in sliding fit with the holding part and can slide to a first position where the protective cover is arranged on the blade or a second position where the protective cover is arranged to avoid the blade.

Preferably, the optical fiber cutting device further comprises a locking assembly, and the locking assembly can lock the protective cover at a first position covering the blade or a second position avoiding the blade.

Preferably, the outer surface of the holding part is provided with anti-skid grains; or

The outer surface of the holding part is provided with an anti-slip layer.

The utility model has the advantages that:

the utility model provides an optical fiber cutting device, blade and knife rest assembly are connected, and the elastic component both ends are connected with knife rest assembly and the portion of gripping respectively, and the elastic component enables knife rest assembly along predetermineeing the direction and removes for the portion of gripping. The setting up of elastic component makes the blade be flexible cutting at the in-process of cutting optic fibre, and when the power of cutting optic fibre was great, the elastic component can be through warping the partial cutting power of absorption, avoids exerting too big cutting power and leading to optic fibre by the top disconnected because of the blade, guarantees that optic fibre is cut off by the blade gradually for the optic fibre cutting plane is comparatively level and smooth, thereby improves the quality of optic fibre cutting, makes things convenient for the later stage to carry out processes such as optical fiber connection.

Drawings

Fig. 1 is a schematic structural diagram of an optical fiber cutting apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an optical fiber cutting apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of a tool holder assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a blade according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a locking assembly according to an embodiment of the present invention.

In the figure:

1. a grip portion; 11. a through hole; 12. a counter bore;

2. a tool holder assembly; 21. a penetration portion; 22. a first boss; 23. a second boss; 24. a tool holder; 241. a threaded hole; 242. a threaded through hole; 25. a movable member;

3. a blade; 31. a groove; 32. a through hole;

4. an elastic member;

5. a protective cover;

6. a locking assembly; 61. a ball screw; 62. a limiting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The embodiment provides an optical fiber cutting device which can be used in the technical field of optical fiber processing.

As shown in fig. 1 and 2, the X direction in the drawing indicates a preset direction. The optical fiber cutting device comprises a holding part 1, a knife rest component 2, a blade 3 and an elastic piece 4, wherein the first end of the knife rest component 2 is movably connected with the holding part 1, the second end of the knife rest component 2 is connected with the blade 3, two ends of the elastic piece 4 are respectively connected with the knife rest component 2 and the holding part 1, and the elastic piece 4 can enable the knife rest component 2 to move relative to the holding part 1 along a preset direction. The setting up of elastic component 4 makes blade 3 be flexible cutting at the in-process of cutting optic fibre, and when the power of cutting optic fibre was great, elastic component 4 can be through warping the partial cutting power of absorption, avoids exerting too big cutting power and leading to optic fibre to be pushed up absolutely because of blade 3, guarantees that optic fibre is cut off by blade 3 gradually for the optic fibre cutting plane is comparatively level and smooth, thereby improves the quality of optic fibre cutting, makes things convenient for the later stage to carry out processes such as optical fiber connection.

Preferably, as shown in fig. 1, the outer surface of the holding portion 1 is provided with anti-slip lines, so that the friction force of the outer surface of the holding portion 1 can be increased, the holding by a user is facilitated, and the user experience is improved. In other embodiments, the outer surface of the grip portion 1 may be coated with an anti-slip layer to increase the friction force on the outer surface of the grip portion 1.

Preferably, as shown in fig. 2, the grip portion 1 is provided with a through hole 11 extending along a predetermined direction, and the first end of the blade holder assembly 2 is inserted through the through hole 11 and can slide in the through hole 11. Through the arrangement of the through hole 11, the blade carrier assembly 2 can move relative to the holding portion 1 strictly along the preset direction on the one hand, and the blade carrier assembly 2 can move more stably along the preset direction on the other hand.

Preferably, as shown in fig. 2, the first end of the blade carrier assembly 2 comprises a through portion 21, a first protruding portion 22 and a second protruding portion 23, the through portion 21 is disposed through the through hole 11 and can slide in the through hole 11, and the through portion 21 enables the blade carrier assembly 2 to slide in the through hole 11 along a preset direction relative to the holding portion 1. The first bulge 22 is connected to one end of the penetrating part 21 close to the blade 3, and the first bulge 22 can be abutted against the end face of one end of the penetrating hole 11; the second protrusion 23 is connected to one end of the penetrating portion 21 away from the blade 3, and the second protrusion 23 can be abutted against an end face of the other end of the penetrating hole 11. The first protruding part 22 and the second protruding part 23 are respectively abutted against two end faces of the through hole 11 (i.e. the holding part 1), so that the limitation of the moving range of the tool holder assembly 2 relative to the holding part 1 is realized, the elastic piece 4 is ensured to deform in a proper range, and the tool holder assembly 2 can be prevented from being released from the through hole 11 in the process of sliding relative to the holding part 1. In this embodiment, the total length of the through-hole 21 is greater than the length of the through-hole 11.

Preferably, as shown in fig. 2 and 3, the blade holder assembly 2 includes a blade holder 24 and a movable member 25, the first protrusion 22 is provided on the blade holder 24, the blade 3 is connected to the blade holder 24, and the second protrusion 23 is provided on the movable member 25. The blade holder 24 and the movable member 25 are respectively inserted through the through-hole 11 from both ends of the through-hole 11 and connected in the through-hole 11. In this embodiment, the portion of the tool holder 24 that can penetrate into the through-hole 11 and the portion of the movable element 25 that can penetrate into the through-hole 11 together constitute the through-portion 21.

Preferably, the elastic element 4 is sleeved on the through portion 21 of the tool holder assembly 2, one end of the elastic element 4 is connected with the first protruding portion 22, the other end of the elastic element 4 is connected with the holding portion 1, and the through portion 21 plays a role in guiding the deformation of the elastic element 4, so that the elastic element 4 can be deformed strictly along the preset direction. When the force applied during cutting of the optical fiber is too large, the penetration portion 21 slides in the through hole 11, and the elastic member 4 is pressed to contract the elastic member 4. Through the 4 shrink that warp of elastic component, can absorb partial cutting force, avoid exerting too big cutting force and leading to optic fibre to be pushed up absolutely because of blade 3, guarantee that optic fibre is cut off by blade 3 gradually for optic fibre cutting plane is comparatively level and smooth, thereby improves the quality of optic fibre cutting, makes things convenient for the later stage to carry out processes such as optical fiber connection.

Specifically, as shown in fig. 2, the through hole 11 is a stepped hole, a stepped portion is provided therein, one end of the elastic member 4 is connected to the first protruding portion 22, and the other end of the elastic member abuts against the stepped portion, at this time, an annular space is formed between the through hole 11 and the through portion 21, and the elastic member 4 is partially located in the annular space, which can play a more precise guiding role in the deformation direction of the elastic member 4. In other embodiments, a slot, a snap ring, or the like may be disposed in the through hole 11 to connect the elastic element 4, as long as the elastic element 4 can be conveniently installed, which is not limited herein.

Preferably, as shown in fig. 2, the elastic member 4 is a cylindrical spring, the cylindrical spring is sleeved on the through portion 21 of the tool holder assembly 2, one end of the cylindrical spring is connected with the first protruding portion 22, and the other end of the cylindrical spring abuts against the step portion. In other embodiments, the elastic member 4 may also be a rubber tube or a tower spring, etc., as long as the elastic member 4 can deform along a predetermined direction to absorb the cutting force, which is not limited herein.

Preferably, as shown in fig. 2, a counter bore 12 is formed in one end of the grip portion 1, which is away from the blade 3, the counter bore 12 is communicated with the through hole 11, and the second protruding portion 23 is disposed in the counter bore 12, so that the second protruding portion 23 is prevented from extending out of the grip portion 1, the optical fiber cutting device is compact in structure, and the overall structure is more beautiful.

Preferably, the blade carrier 24 is removably attached to the movable member 25, thereby enhancing the ease of attachment of the blade carrier assembly 2 to the gripping portion 1. In this embodiment, as shown in fig. 2, one end of the tool rest 24, which is far away from the blade 3, is provided with a threaded blind hole, one end of the movable member 25, which is close to the blade 3, is provided with an external thread, the external thread is matched with the internal thread of the threaded blind hole, and the external thread of the movable member 25 is screwed into the threaded blind hole, so that the tool rest 24 can be detachably connected with the movable member 25, and the tool rest 24 and the movable member 25 can be more conveniently and quickly connected. In other embodiments, the tool holder 24 and the movable element 25 may be connected by other means such as magnetic attraction in the through hole 11.

Preferably, one end of the movable member 25, which is far away from the blade 3, is provided with a mounting groove, and the movable member 25 can be screwed by inserting a tool such as a screwdriver into the mounting groove, so that the problem that the movable member 25 is difficult to screw after being placed into the through hole 11 and the counter bore 12 is solved. In this embodiment, the mounting groove is a cross-shaped mounting groove, and in other embodiments, the mounting groove may also be in other shapes such as a straight shape and a triangle shape, and the mounting groove may be flexibly arranged as required without limitation.

Preferably, as shown in fig. 2-4, the blade 3 is detachably connected to the blade carrier assembly 2, and the blade 3 can be replaced when the blade 3 is worn or discarded. Specifically, the insert 3 is provided with a through hole 32, the tool holder 24 is provided with a threaded hole 241, and a bolt is threaded through the through hole 32 and screwed into the threaded hole 241, so that the insert 3 can be mounted, and when the insert 3 needs to be dismounted, the bolt can be dismounted. In other embodiments, the blade 3 and the blade carrier assembly 2 may also be connected in other manners such as clamping, as long as the detachable connection between the blade 3 and the blade carrier assembly 2 is facilitated, which is not limited herein.

Preferably, as shown in fig. 2 and 4, the blade 3 is a circular blade 3, and when the blade edge is worn, the blade 3 can be rotated and the blade edge at other positions can be used to fully utilize the blade 3.

Preferably, as shown in fig. 1 and 4, at least one side of the blade 3 is provided with a plurality of grooves 31, and the blade carrier assembly 2 is provided with a limiting member (not shown), which can be inserted into any one of the grooves 31 to limit the blade 3. Specifically, as shown in fig. 3, a threaded through hole 242 is provided on the tool holder assembly 2, and the limiting member is a bolt, and the bolt passes through the threaded through hole 242 and is inserted into the groove 31 to limit the insert 3. In this embodiment, the both sides of blade 3 all are provided with a plurality of recesses 31 for blade 3 both sides are comparatively symmetrical, thereby avoid 3 barycenter skews of blade to influence the optic fibre cutting effect. In other embodiments, the recess 31 may be provided on only one side of the blade 3.

Preferably, as shown in fig. 1 and 4, the plurality of grooves 31 are distributed in a circular array around the center of the blade 3, and when the blade is worn, the blade 3 may be rotated and the stopper may be inserted into another groove 31 to use the blade at another position. The grooves 31 can increase the identification degree, and can help a user to better determine the rotating angle of the blade 3 when the blade 3 is rotated, so that the blade 3 can be uniformly rotated, the blade 3 can be fully utilized, and the utilization rate of the blade 3 can be improved. In this embodiment, the number of the grooves 31 is 16 to fully utilize the blade 3, and in other embodiments, the number of the grooves 31 may also be 10 or 12, and the like, and the grooves may be flexibly arranged according to needs, and are not limited herein.

Preferably, as shown in fig. 1 and 2, the optical fiber cutting device further includes a protective cover 5, the protective cover 5 is sleeved outside the blade 3, and the protective cover 5 is slidably engaged with the grip portion 1, so that the protective cover 5 can slide to a first position covering the blade 3 or a second position avoiding the blade 3. When cutting the optical fiber, the protective cover 5 is slid to the second position of the avoiding blade 3. After the cutting is completed, the protective cover 5 can be slid to cover the first position of the blade 3, thereby protecting the blade 3 and preventing the blade 3 from being damaged due to impact, extrusion or friction. Slidable safety cover 5 uses comparatively conveniently, also can prevent that safety cover 5 from losing, has promoted user's experience and has felt.

Preferably, as shown in fig. 1 and 5, the optical fiber cleaver further includes a locking assembly 6, and the locking assembly 6 can lock the protection cover 5 at a first position covering the blade 3 or a second position avoiding the blade 3. When the protective cover 5 is locked at the second position of the avoiding blade 3, the influence on cutting caused by the sliding of the protective cover 5 when the optical fiber is cut can be avoided. When the protective cover 5 is locked at the first position covering the blade 3, the reduction of the protective effect on the blade 3 due to the sliding of the protective cover 5 can be avoided.

Preferably, as shown in fig. 1 and 5, the locking assembly 6 comprises a wave ball screw 61 and two limiting grooves 62 which are arranged on the holding part 1 at intervals. One of the retaining grooves 62 corresponds to a first position of the shield 5 and the other retaining groove 62 corresponds to a second position of the shield 5. The wave ball screw 61 comprises spring, steel ball and casing, is provided with the installation cavity on the safety cover 5, and wave ball screw 61 is fixed in the installation cavity, and the one end at wave ball screw 61's steel ball place sets up towards portion 1 that grips, and the spring can drive the steel ball and stretch out the installation cavity with the joint in arbitrary one spacing groove 62 to with the locking of safety cover 5 in primary importance or second place.

Specifically, when the protection cover 5 slides to the first position where the blade 3 is covered, the steel ball of the ball screw 61 is opposite to the corresponding limiting groove 62, and the spring drives the steel ball to be clamped in the limiting groove 62, so that the protection cover 5 is locked at the first position. Similarly, when the protecting cover 5 slides to the second position of the dodging blade 3, the steel balls of the wave ball screw 61 are opposite to the corresponding limiting groove 62, and at the moment, the spring drives the steel balls to be clamped in the limiting groove 62, so that the function of locking the protecting cover 5 at the second position is realized. When the locking state needs to be released, the steel balls of the wave ball screw 61 can be pushed out from the limiting groove 62 by pushing the protective cover 5 with force, so that the locking state is released. It should be noted that the bead screw 61 is a mature component in the prior art, and the detailed principle thereof is not described herein.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and for those skilled in the art, there may be variations on the specific embodiments and the application range according to the ideas of the present invention, and the contents of the present specification should not be construed as limitations to the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An optical fiber cleaver, comprising:

a grip portion (1), the grip portion (1) being used for gripping;

the first end of the knife rest component (2) is movably connected with the holding part (1);

a blade (3), the blade (3) being connected to the second end of the carriage assembly (2);

the elastic piece (4), elastic piece (4) both ends respectively with knife rest assembly (2) with portion of gripping (1) is connected, elastic piece (4) enable knife rest assembly (2) along preset direction for portion of gripping (1) removes.

2. The optical fiber cutting device according to claim 1, wherein the holding portion (1) is provided with a through hole (11) extending along a predetermined direction, and the first end of the blade holder assembly (2) is inserted through the through hole (11) and can slide in the through hole (11).

3. The optical fiber cleaver device of claim 2, wherein the first end of the carriage assembly (2) comprises:

a penetrating part (21) which penetrates through the through hole (11) and can slide in the through hole (11);

the first bulge (22) is connected to one end, close to the blade (3), of the penetrating part (21), and the first bulge (22) can be abutted against the end face of one end of the through hole (11);

and the second bulge (23) is connected to one end, far away from the blade (3), of the penetrating part (21), and the second bulge (23) can be abutted to the end face of the other end of the through hole (11).

4. The optical fiber cutting device according to claim 3, wherein the elastic member (4) is sleeved on the penetrating portion (21), one end of the elastic member (4) is connected with the first protruding portion (22), and the other end is connected with the holding portion (1).

5. The optical fiber cleaver device according to claim 3, wherein the blade holder assembly (2) comprises a blade holder (24) and a movable member (25), the blade holder (24) and the movable member (25) are respectively inserted into the through hole (11) from both ends of the through hole (11) and detachably connected, the first protrusion portion (22) is provided on the blade holder (24), the second protrusion portion (23) is provided on the movable member (25), and the blade (3) is connected to the blade holder (24).

6. An optical fiber cleaver device according to any of claims 1-5, wherein the blade (3) is removably attached to the carriage assembly (2).

7. The optical fiber cleaver of claim 6, wherein at least one side of the blade (3) is provided with a plurality of grooves (31), and the blade carrier assembly (2) is provided with a stopper that can be inserted into any one of the grooves (31) to stop the blade (3).

8. The optical fiber cleaver device of any of claims 1-5, further comprising a protective cover (5), wherein the protective cover (5) is slidably engaged with the grip portion (1) to be slidable to a first position covering the blade (3) or a second position avoiding the blade (3).

9. The optical fiber cleaver of claim 8, further comprising a locking assembly (6), wherein the locking assembly (6) is capable of locking the protective cover (5) in a first position covering the blade (3) or in a second position avoiding the blade (3).

10. The optical fiber cutting device according to any one of claims 1 to 5, wherein the outer surface of the grip portion (1) is provided with anti-slip lines; or

The outer surface of the holding part (1) is provided with an anti-skid layer.

Images