CN219038600U

CN219038600U - Shear force testing device for single-fiber-to-multi-fiber connection structure

Info

Publication number: CN219038600U
Application number: CN202222959674.7U
Authority: CN
Inventors: 游强
Original assignee: Jingmen Bochuang Optoelectronics Technology Co ltd
Current assignee: Jingmen Bochuang Optoelectronics Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-16
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a shear force testing device of a single-fiber-to-multi-fiber connection structure, which comprises a device base, a clamping assembly arranged on the device base, and a force measuring assembly for testing the shear force of a fiber jumper wire connection part; according to the utility model, the connector of the optical fiber jumper and the optical fiber can be clamped respectively through the clamping assembly, and then the movable clamping part is directly extruded by the force measuring assembly during the subsequent detection, so that the situation that the force measuring part cannot accurately and firmly extrude the optical fiber during the detection process and then slide to bend is avoided, meanwhile, the shrinkage of the detection end of the force measuring device can be limited during the detection process through the unidirectional limiting device, and the rebound of the detection end of the force measuring device is avoided, so that the position of the detection end of the force measuring device is maintained when the limit of the shearing force born by the optical fiber jumper is detected, and the subsequent recording of a detector is facilitated.

Description

Shear force testing device for single-fiber-to-multi-fiber connection structure

Technical Field

The utility model relates to the technical field of optical fiber manufacturing, in particular to a shear force testing device for a single-fiber-to-multi-fiber connection structure.

Background

The optical fiber is a common information transmission medium in modern communication, and has higher efficiency and smaller loss compared with the traditional electric signal transmission, wherein the optical fiber is divided into a single-mode optical fiber and a multimode optical fiber, the multimode optical fiber has poorer transmission performance, narrower frequency band and small capacity, is suitable for short-distance signal transmission, and has a transmission frequency bandwidth suitable for a trunk, large-capacity and long-distance system, so that the single-mode optical fiber and the multimode optical fiber in the system can be smoothly communicated, and people often use an optical fiber jumper to connect the single-mode optical fiber and the multimode optical fiber.

In the process of producing the optical fiber jumper wire, a shear force detection device is required to detect the firmness degree of connection between the connector and the patch cord so as to judge the limit stress state of a product during working according to the detection result, most of the existing shear force detection devices are used for fixing the connector through a clamping mechanism and then directly pushing the connection part of the connector and the patch cord through a thrust meter, after the thrust meter pushes the patch cord out of the connector, the maximum shear force which can be born by the optical fiber connection structure is detected in the thrust meter, but when the existing thrust meter is directly contacted with the patch cord, the surface of the unfixed patch cord is smoother, the force measuring end of the thrust meter is easily unstable in contact with the patch cord during pushing the patch cord, and unexpected sliding on the patch cord is easy to cause damage to the force measuring device while experimental results are affected.

Disclosure of Invention

Based on the expression, the utility model provides a shear force testing device with a single-fiber-to-multi-fiber connection structure, which aims to solve the technical problems that a clamp for clamping an adapter and a fixed wire is not arranged in the existing detection device, a force measuring device is easy to damage in the detection process, and the detection result is easy to influence.

The technical scheme for solving the technical problems is as follows:

a single fiber to multi-fiber connection shear force testing device comprising:

and a device base.

The clamping assembly comprises a fixed clamping part and a movable clamping part which are arranged on the device base, and is used for clamping the connector of the optical fiber jumper and the patch cord;

the force measuring assembly comprises a force measuring part connected with the movable clamping part and a power device connected with the force measuring part and is used for driving the force measuring part to move in the direction perpendicular to the optical fiber jumper connector clamped by the fixed clamping part.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the fixed clamping part comprises a first clamping seat arranged on the device base and a first clamping mechanism arranged on the first clamping seat.

Further, the movable clamping part comprises a second clamping seat arranged on the device base, a second clamping mechanism arranged on the second clamping seat, and a sliding mechanism connecting the device base and the second clamping seat.

Further, the force measuring part comprises a mounting seat arranged on the device base, a force measuring device arranged on the mounting seat, and a mounting and fixing structure for connecting the force measuring device with the mounting seat.

Further, the installation fixed knot constructs including locating the installation casing that is used for holding force measuring device on the mount pad and carrying out confined closing cap to the installation casing, the surface of installation casing is equipped with the opening that is used for force measuring device force measuring end to extend to the installation casing outside, and the surface of installation casing is equipped with the mouth of taking that is used for force measuring device to take out therefrom.

Further, the detection end of the force measuring device is connected with the second clamping seat, and a one-way limiting device is arranged between the second clamping seat and the mounting seat.

Further, the unidirectional limiting device comprises a unidirectional movable plate arranged on the second clamping seat and a unidirectional limiting piece arranged on the mounting seat and contacted with the unidirectional movable plate, and a movable groove for the unidirectional movable plate to extend into is formed in the mounting seat.

Further, the surface of the unidirectional movable plate is uniformly provided with a plurality of clamping teeth, one surface of the clamping teeth facing the second clamping seat is perpendicular to the unidirectional movable plate, and the unidirectional limiting part consists of an elastic plate with one end in contact with the perpendicular surface of the clamping teeth and a fixing strip connected with the elastic plate.

Further, a connecting mechanism for installing the unidirectional limiting piece on the mounting seat is arranged between the unidirectional limiting piece and the mounting seat.

Further, the connecting mechanism comprises a connecting plate arranged on the fixing strip of the unidirectional limiting piece and the mounting seat, and a fixing piece for connecting the unidirectional limiting piece and the connecting plate on the mounting seat together.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

according to the utility model, the connector of the optical fiber jumper and the optical fiber can be clamped respectively through the clamping assembly, and then the movable clamping part is directly extruded by the force measuring assembly during the subsequent detection, so that the situation that the force measuring part cannot accurately and firmly extrude the optical fiber during the detection process and then slide to bend is avoided, meanwhile, the shrinkage of the detection end of the force measuring device can be limited during the detection process through the unidirectional limiting device, and the rebound of the detection end of the force measuring device is avoided, so that the position of the detection end of the force measuring device is maintained when the limit of the shearing force born by the optical fiber jumper is detected, and the subsequent recording of a detector is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of a shear force testing device with a single-fiber-to-multi-fiber connection structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is an enlarged partial schematic view of the area A in FIG. 2;

FIG. 4 is a schematic structural view of a unidirectional limiting member according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a unidirectional limiting plate according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. a device base; 2. a clamping assembly; 21. a fixed clamping part; 211. a first clamping seat; 212. a first clamping mechanism; 22. a movable clamping part; 221. a second clamping seat; 222. a second clamping mechanism; 3. a force measuring assembly; 31. a force measuring section; 311. a mounting base; 312. a force measuring device; 313. a mounting shell; 314. a closing cap; 32. a power device; 33. a unidirectional limiting device; 331. a unidirectional movable plate; 332. a one-way limiting member; 333. a connecting plate; 334. and a fixing piece.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements.

Referring to fig. 1-5, the shear force testing device for a single-fiber to multi-fiber connection structure of the present utility model includes a device base 1, a clamping assembly 2 disposed on the device base 1, and a force measuring assembly 3 for performing a shear force test on a fiber patch cord connection.

The clamping assembly 2 includes a fixed clamping portion 21 and a movable clamping portion 22 disposed on the device base 1, and can clamp the connector and the patch cord of the optical fiber patch cord respectively in the detection process, so as to avoid errors in the subsequent shear force testing process.

Specifically, the fixed clamping portion 21 includes a first clamping seat 211 disposed on the device base 1, and a first clamping mechanism 212 disposed on the first clamping seat, and the movable clamping portion 22 includes a second clamping seat 221 disposed on the device base 1, a second clamping mechanism 222 disposed on the second clamping seat 221, and a sliding mechanism connecting the device base 1 and the second clamping seat 221.

The first clamping structure and the second clamping structure 222 in the fixed clamping part 21 and the movable clamping part 22 can be conventional common clamping mechanisms, can be composed of single or multiple components, and can be composed of a base, a fixed plate arranged on the base and a movable plate connected on the base through a screw rod by using the clamping mechanisms of the threaded rod matched with the clamping plates, so that a user can drive the movable plate to approach the fixed plate by screwing the screw rod, and further clamp and fix the connector of the optical fiber jumper with the optical fiber.

It should be noted that, the clamping grooves adapted to the optical fiber jumper connector and the patch cord are disposed between the fixed plate and the movable plate in the first clamping mechanism 212 and the second clamping mechanism 222, so as to stably clamp the overall structure of the optical fiber jumper.

The force measuring assembly 3 comprises a force measuring part 31 connected with the movable clamping part 22, and a power device 32 connected with the force measuring part 31 and used for driving the force measuring part 31 to move in a direction perpendicular to the optical fiber jumper connector clamped by the fixed clamping part 21.

The force measuring portion 31 includes a mounting seat 311 disposed on the device base 1, a force measuring device 312 disposed on the mounting seat 311, and a mounting and fixing structure for connecting the force measuring device 312 and the mounting seat 311, where the force measuring device 312 is preferably a thrust meter, a force measuring end of the force measuring device is in a telescopic rod structure, the force measuring end can display the force after being pressed, and the force measuring end of the force measuring device 312 is perpendicular to the clamping groove in the first clamping seat.

In order to facilitate maintenance and replacement of the force measuring device 312 after long-term use, the installation fixing structure comprises an installation shell 313 arranged on the installation base 311 and used for accommodating the force measuring device 312, and a closing cover 314 for closing the installation shell 313, a detection end of the force measuring device 312 is connected with the second clamping base 221, a one-way limiting device 33 is arranged between the second clamping base 221 and the installation base 311, an opening for extending the force measuring end of the force measuring device 312 to the outside of the installation shell 313 is arranged on the surface of the installation shell 313, a taking opening for taking out the force measuring device 312 is arranged on the surface of the installation shell 313, wherein the closing cover 314 can be connected with the installation shell 313 through bolts, a user can open the closing cover 314 when the force measuring device 312 needs to be maintained or replaced, the force measuring device 312 can be directly taken out of the installation shell 313, the operation is simple and convenient, and meanwhile, the closing cover 314 can be made of transparent materials when the force measuring device 312 is a detection device for independently displaying the detection result, and a user can observe the result displayed by the force measuring device 312.

In order to limit the displacement of the detection head of the force measuring device 312 in the subsequent detection process, the unidirectional limiting device 33 includes a unidirectional movable plate 331 disposed on the second clamping seat 221, and a unidirectional limiting member 332 disposed on the mounting seat 311 and contacted with the unidirectional movable plate 331, and a movable slot for the unidirectional movable plate 331 to extend into is disposed inside the mounting seat 311.

Specifically, a plurality of latches are uniformly arranged on the surface of the unidirectional movable plate 331, one surface of each latch facing the second clamping seat 221 is perpendicular to the unidirectional movable plate 331, the unidirectional limiting piece 332 is composed of an elastic plate with one end in contact with the perpendicular surface of each latch and a fixing strip connected with the elastic plate, and the unidirectional movable plate 331 can move in the mounting seat 311 along with the reduction of the interval between the second clamping seat 221 and the mounting seat 311, and the position of the unidirectional movable plate 331 after the movement is limited, so that when an optical fiber jumper is cut off in a shearing force test, the force measuring device 312 keeps a force measuring result when the optical fiber jumper is cut off, and the observation of a user is facilitated.

For convenience of multiple detection, a connection mechanism for installing the unidirectional limiting piece 332 on the installation seat 311 is arranged between the unidirectional limiting piece 332 and the installation seat 311, the connection mechanism comprises a connection plate 333 arranged on a fixing strip of the unidirectional limiting piece 332 and the installation seat 311, and a fixing piece 334 for connecting the unidirectional limiting piece 332 with the connection plate 333 on the installation seat 311, after detection, an operator can detach the unidirectional limiting piece 332 through the fixing piece 334, so that the second clamping seat 221 is promoted to reset, and subsequent detection is performed.

In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A single fiber to multi-fiber connection shear force testing device, comprising:

a device base (1);

the clamping assembly (2) comprises a fixed clamping part (21) and a movable clamping part (22) which are arranged on the device base (1) and used for clamping the connector of the optical fiber jumper and the patch cord;

the force measuring assembly (3) comprises a force measuring part (31) connected with the movable clamping part (22) and a power device (32) connected with the force measuring part (31) and is used for driving the force measuring part (31) to move in the direction perpendicular to the optical fiber jumper connector clamped by the fixed clamping part (21).

2. The shear force testing device of a single fiber to multi fiber connection structure according to claim 1, wherein the fixed clamping part (21) comprises a first clamping seat (211) arranged on the device base (1), and a first clamping mechanism (212) arranged on the first clamping seat.

3. The shear force testing device of a single fiber to multi fiber connection structure according to claim 2, wherein the movable clamping part (22) comprises a second clamping seat (221) arranged on the device base (1), a second clamping mechanism (222) arranged on the second clamping seat (221), and a sliding mechanism for connecting the device base (1) and the second clamping seat (221).

4. A single fiber to multi fiber connection structure shear force testing device according to claim 3, wherein the force measuring part (31) comprises a mounting seat (311) arranged on the device base (1), a force measuring device (312) arranged on the mounting seat (311), and a mounting and fixing structure for connecting the force measuring device (312) and the mounting seat (311).

5. The shear force testing device of a single fiber to multi fiber connection structure according to claim 4, wherein the mounting and fixing structure comprises a mounting housing (313) arranged on the mounting seat (311) for accommodating the force measuring device (312), and a closing cap (314) for closing the mounting housing (313), an opening for extending the force measuring end of the force measuring device (312) to the outside of the mounting housing (313) is arranged on the surface of the mounting housing (313), and a taking opening for taking out the force measuring device (312) from the surface of the mounting housing (313).

6. The shear force testing device for the single-fiber-to-multi-fiber connection structure according to claim 5, wherein the detection end of the force measuring device (312) is connected with the second clamping seat (221), and a unidirectional limiting device (33) is arranged between the second clamping seat (221) and the mounting seat (311).

7. The shear force testing device for the single-fiber-to-multi-fiber connection structure according to claim 6, wherein the unidirectional limiting device (33) comprises a unidirectional movable plate (331) arranged on the second clamping seat (221), and a unidirectional limiting piece (332) arranged on the mounting seat (311) and contacted with the unidirectional movable plate (331), and a movable groove for the unidirectional movable plate (331) to extend into is formed in the mounting seat (311).

8. The shear force testing device for single-fiber to multi-fiber connection structure according to claim 7, wherein a plurality of clamping teeth are uniformly arranged on the surface of the unidirectional movable plate (331), one surface of the clamping teeth facing the second clamping seat (221) is perpendicular to the unidirectional movable plate (331), and the unidirectional limiting piece (332) is composed of an elastic plate with one end in contact with the perpendicular surface of the clamping teeth and a fixing strip connected with the elastic plate.

9. The shear force testing device for a single fiber to multi fiber connection structure according to claim 8, wherein a connection mechanism for mounting the unidirectional limiting member (332) onto the mounting seat (311) is provided between the unidirectional limiting member (332) and the mounting seat (311).

10. The shear force testing device of a single fiber to multi fiber connection structure according to claim 9, wherein the connection mechanism comprises a connection plate (333) provided on a fixing strip of the unidirectional limiting element (332) and the mounting base (311), and a fixing element (334) for connecting the unidirectional limiting element (332) and the connection plate (333) on the mounting base (311) together.