CN211979285U

CN211979285U - Optical fiber clamping assembly

Info

Publication number: CN211979285U
Application number: CN202021066206.1U
Authority: CN
Inventors: 罗浩瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-11-20
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses an optic fibre centre gripping subassembly, characterized by: including backup pad, first arm lock, second arm lock and connecting piece, the tail end of first arm lock and second arm lock all slides with the backup pad and is connected for first arm lock and second arm lock can be in opposite directions or backward movement, form between first arm lock and the second arm lock and press from both sides the mouth, be provided with the dogtooth in the head end of first arm lock and second arm lock and the inboard symmetry that lies in pressing from both sides the mouth, the dogtooth is arranged in getting into the hole site on the optical fiber splice, the connecting piece is located between two arm locks and is close to the backup pad, and the rear portion of first arm lock is connected with the connecting piece transmission through first connecting rod, and the rear portion of second arm lock is connected with the connecting piece transmission through the second connecting rod, still offer the through-hole that is used for supplying the external drive. The clamping assembly has the advantages of high efficiency, stability and uniform force of clamping action execution, and can clamp the optical fiber connector more stably, and the clamping assembly is suitable for various optical fiber quick connectors.

Description

Optical fiber clamping assembly

Technical Field

The utility model relates to an automatic interfacing apparatus of optic fibre, more specifically say, it relates to an optic fibre centre gripping subassembly.

Background

With the development of communication technology, optical fiber communication has become the mainstream of communication physical channels, in an optical fiber transmission line, one optical fiber cable usually includes a plurality of optical fibers, corresponding connection with another optical fiber cable or a plurality of optical fibers of an end user is realized in an optical fiber distribution frame (ODF) or an optical fiber cross-connect box (optical cross-connect box), the optical fiber physical channels in the ODF or the optical cross-connect box can be re-distributed according to the connection requirement in application, namely, re-plugging and butt-connecting, and manual maintenance operation also often exists.

Manual maintenance is labor intensive and time consuming, resulting in great difficulty. Chinese patent application No. 201920874878.6 discloses a small-sized tool clamp for automatically plugging and unplugging an optical fiber and an optical module, which comprises: the optical module plugging and unplugging device comprises a rack, an up-down translation system, a left-right translation system, an optical module plugging and unplugging system, an optical module clamping system and an optical fiber plugging and unplugging system; the up-down translation system is arranged on the rack, the left-right translation system is arranged on the up-down translation system, and the up-down translation system drives the left-right translation system to translate up and down; the optical module plugging system is arranged on the left-right translation system, and the left-right translation plate drives the optical module plugging system to translate left and right; the optical module clamping system is connected with the optical module plugging system, and the optical module plugging system drives the optical module clamping system to move back and forth; the optical fiber plugging system is connected with the optical module plugging system. The fixture can realize the repeated testing steps of automatically replacing manual optical fiber plugging and unplugging optical modules and the like.

However, in this tool clamp, the optical fiber splice is clamped by the movable claws which are movable on one side, and the movement of the movable claws is slow, and it takes a long time to change from the fully open state to the state of clamping the optical fiber splice, resulting in low efficiency of clamping the optical fiber.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide an optic fibre centre gripping subassembly can carry out the centre gripping action more high-efficiently.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an optic fibre centre gripping subassembly, includes backup pad, first arm lock, second arm lock and connecting piece, the tail end of first arm lock and second arm lock all slides with the backup pad and is connected for first arm lock and second arm lock can move dorsad in opposite directions, form between first arm lock and the second arm lock and press from both sides the mouth, the connecting piece is located between two arm locks and is close to the backup pad, the rear portion of first arm lock is connected with the connecting piece transmission through first connecting rod, and the rear portion of second arm lock is connected with the connecting piece transmission through the second connecting rod, still offer the through-hole that is used for supplying the external drive axle to pass in the backup pad.

As a preferable scheme: and convex teeth are symmetrically arranged at the head ends of the first clamping arm and the second clamping arm and positioned at the inner sides of the clamping openings, and the convex teeth are used for entering the groove positions on the surface of the optical fiber connector.

As a preferable scheme: the both sides of first arm lock and second arm lock are located the mouth of pressing from both sides and all are provided with the flange, the flange is to pressing from both sides the central protrusion of mouth, the flange is used for contacting with optical fiber splice's outer wall.

As a preferable scheme: one side of the supporting plate is symmetrically provided with a pair of guide strips, the two guide strips are coaxial, movable blocks are arranged on the two guide strips, the movable blocks are connected with the guide strips in a sliding mode, and the tail ends of the first clamping arm and the second clamping arm are fixedly connected with the two movable blocks respectively.

Compared with the prior art, the utility model has the advantages that: the clamping assembly adopts a structure of double movable clamping arms, the two groups of clamping arms can move oppositely or reversely, and the two groups of clamping arms simultaneously act when clamping or loosening, so that the completely opened state can be changed into the state of clamping an optical fiber connector more quickly, the efficiency of clamping action execution is higher, and the two groups of clamping arms are in transmission connection with the same power source through connecting rods which are symmetrically distributed, the synchronous action of the two groups of clamping arms can be realized, the stability of action and the uniformity of clamping force of the two groups of clamping arms are ensured, and the efficiency of clamping execution and the stability of action can be greatly improved through the design; in addition, the two groups of clamping arms are provided with the convex teeth, and after the clamping assembly clamps the optical fiber connector, the convex teeth are clamped into the groove position on the optical fiber connector, so that the optical fiber connector is locked, slipping is avoided, subsequent plugging and unplugging actions are guaranteed to be carried out smoothly, and the reliability of the clamping assembly is higher.

Drawings

FIG. 1 is a cross-sectional view of a clamping assembly.

1, a support plate; 2. a guide strip; 3. a through hole; 4. a movable block; 5. a first clamp arm; 6. a second clamp arm; 7. a first link; 8. a second link; 9. a connecting member; 10. a convex tooth; 11. and (7) blocking edges.

Detailed Description

Referring to fig. 1, an optical fiber clamping assembly includes a supporting plate 1, a first clamping arm 5 and a second clamping arm 6, a pair of guide bars 2 are symmetrically disposed on one side of the supporting plate 1, the two guide bars 2 are coaxial, a movable block 4 is disposed on each of the two guide bars 2, the movable block 4 is connected to the guide bars 2 in a sliding manner, the first clamping arm 5 and the second clamping arm 6 point to the same direction, the first clamping arm 5, the second clamping arm 6 and the guide bars 2 are disposed on the same side of the supporting plate 1, the tail ends of the first clamping arm 5 and the second clamping arm 6 are respectively connected and fixed to the two movable blocks 4, a clamping opening is formed between the first clamping arm 5 and the second clamping arm 6, protruding teeth 10 are symmetrically disposed at the head ends of the first clamping arm 5 and the second clamping arm 6 and on the inner side of the clamping opening, the protruding teeth 10 are used for entering into a slot on the surface of an optical fiber connector, a connecting piece 9, and a first connecting rod 7 and a second connecting rod 8, wherein the connecting piece 9 is located between two arm lock and the connecting piece 9 is close to the backup pad 1, the one end of first connecting rod 7 is articulated with the rear portion of first arm lock 5 and the other end of first connecting rod 7 is articulated with the connecting piece 9, the one end of second connecting rod 8 is articulated with the rear portion of second arm lock 6 and the other end of second connecting rod 8 is articulated with the connecting piece 9, through-hole 3 has been seted up on the backup pad 1.

The through hole 3 is used for the external driving shaft to pass through, and the connection and the external driving shaft are connected and fixed. The external drive shaft drives the connecting member 9 back and forth. When the connecting piece 9 moves forwards (i.e. to the right in the figure), the first connecting rod 7 and the second connecting rod 8 swing anticlockwise, so that the first clamping arm 5 and the second clamping arm 6 are driven to move away from each other, and the clamping opening is opened; conversely, when the connecting member 9 moves backward (i.e., to the left in the drawing), the first link 7 and the second link 8 swing clockwise, thereby driving the first clamp arm 5 and the second clamp arm 6 to approach each other and closing the clamp opening. When the clamping mouth is closed, the convex teeth 10 on the first clamping arm 5 and the second clamping arm 6 can just be clamped into the groove positions on the surface of the optical fiber connector, so that the optical fiber connector is clamped and locked.

In the present embodiment, as shown in fig. 1, flanges 11 are disposed at two sides of the first clamping arm 5 and the second clamping arm 6 and located in the clamping openings, the flanges 11 protrude toward the center of the clamping opening, and the flanges 11 are used for contacting with the outer wall of the optical fiber splice. After the optical fiber connector is clamped by the clamping assembly, the flanges 11 on the two sides of the clamping arm can clamp the outer walls of the two sides of the optical fiber connector, so that the optical fiber connector can be prevented from being twisted, the optical fiber connector is locked by the convex teeth 10 to prevent the optical fiber connector from slipping around, and the optical fiber connector can be prevented from position deviation and ensuring the butting precision by matching the convex teeth 10 with the flanges 11.

The clamping assembly adopts a structure of double movable clamping arms, the two groups of clamping arms can move oppositely or reversely, and the two groups of clamping arms simultaneously act when clamping or loosening, so that the completely opened state can be changed into the state of clamping an optical fiber connector more quickly, the efficiency of clamping action execution is higher, and the two groups of clamping arms are in transmission connection with the same power source through connecting rods which are symmetrically distributed, the synchronous action of the two groups of clamping arms can be realized, the stability of action and the uniformity of clamping force of the two groups of clamping arms are ensured, and the efficiency of clamping execution and the stability of action can be greatly improved through the design; in addition, because two sets of arm lock all have dogtooth 10, after the centre gripping subassembly presss from both sides tight fiber splice, dogtooth 10 card is gone into in the trench on fiber splice surface to deadlocking fiber splice avoids appearing skidding, guarantees that subsequent plug action goes on smoothly, therefore this centre gripping subassembly reliability is higher.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An optical fiber clamping assembly, comprising: including backup pad, first arm lock, second arm lock and connecting piece, the tail end of first arm lock and second arm lock all slides with the backup pad and is connected for first arm lock and second arm lock can move dorsad or in opposite directions, form between first arm lock and the second arm lock and press from both sides the mouth, the connecting piece is located between two arm locks and is close to the backup pad, the rear portion of first arm lock is connected with the connecting piece transmission through first connecting rod, the rear portion of second arm lock is connected with the connecting piece transmission through the second connecting rod, still offer the through-hole that is used for supplying the external drive axle to pass in the backup pad.

2. The fiber holding assembly of claim 1, wherein: and convex teeth are symmetrically arranged at the head ends of the first clamping arm and the second clamping arm and positioned at the inner sides of the clamping openings, and the convex teeth are used for entering the groove positions on the surface of the optical fiber connector.

3. The fiber holding assembly of claim 1, wherein: the both sides of first arm lock and second arm lock are located the mouth of pressing from both sides and all are provided with the flange, the flange is to pressing from both sides the central protrusion of mouth, the flange is used for contacting with optical fiber splice's outer wall.

4. The fiber holding assembly of claim 1, wherein: one side of the supporting plate is symmetrically provided with a pair of guide strips, the two guide strips are coaxial, movable blocks are arranged on the two guide strips, the movable blocks are connected with the guide strips in a sliding mode, and the tail ends of the first clamping arm and the second clamping arm are fixedly connected with the two movable blocks respectively.