CN217194910U

CN217194910U - Insertion return loss test butt joint clamp

Info

Publication number: CN217194910U
Application number: CN202220461882.1U
Authority: CN
Inventors: 何日星; 金鑫
Original assignee: Hengdong Optical Communication Technology Shenzhen Co ltd
Current assignee: Heng Dongguang Communication Technology Shenzhen Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-16
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to an insert return and decrease technical field, specifically disclose an insert return and decrease test butt joint anchor clamps. The insertion return loss test butt joint clamp comprises a base, a first clamping mechanism, a second clamping mechanism and a buffering device. The first clamping mechanism is arranged on the base in a sliding mode along a first direction and used for clamping the piece to be tested; the second clamping mechanism is arranged on the base in a sliding mode along the first direction and used for clamping the standard part; the first clamping mechanism can drive the piece to be tested to move towards the direction close to the second clamping mechanism; the buffer device is arranged at one end of the base, which is far away from the first clamping mechanism, and is opposite to the second clamping mechanism along the first direction; the buffer end of the buffer device can be abutted against the second clamping mechanism. The utility model discloses well buffer can cushion second clamping mechanism to avoid the too big and damage that causes of dynamics when colliding of the plug terminal surface of the piece that awaits measuring and the plug terminal surface of standard part, and then improve the quality of product, reduce the fluctuation of inserting return loss test value simultaneously, improve the degree of accuracy.

Description

Insertion return loss test butt joint clamp

Technical Field

The utility model relates to an insert back to decrease test technical field, especially relate to an insert back to decrease test butt joint anchor clamps.

Background

The optical fiber connectors all have insertion loss and return loss, the insertion loss refers to the loss of signal power generated by the insertion of a certain device at a certain position of a transmission system, and the insertion loss is used for representing the ratio of the output optical power and the input optical power of a port; when an optical signal is transmitted in an optical fiber, the optical signal is transmitted back to a signal transmitting end by encountering an obstruction, namely, an echo, which is a phenomenon that is unfavorable for the transmission of the optical fiber, and in order to eliminate the phenomenon, the optical fiber has a return loss capable of eliminating the echo.

At present, the requirement of an insertion return loss index of an optical fiber connector is an important characteristic for evaluating the quality of a product, when the optical fiber connector is subjected to an insertion return loss test, a standard line insertion core and a tested product insertion core are butted by hands, but the insertion force cannot be controlled when the optical fiber connector is butted by the hands, the test value is large and inaccurate, the end face of the insertion core is easily damaged, and the quality of the product is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insert return loss test butt joint anchor clamps to the uncontrollable dynamics of pegging graft when solving among the prior art hand butt joint, the test value is undulant greatly inaccurate, still causes the destruction to the terminal surface of lock pin easily, and then influences the problem of product quality.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an insert return loss test butt joint anchor clamps, should insert return loss test butt joint anchor clamps include the base and:

the first clamping mechanism is arranged on the base in a sliding mode along a first direction and used for clamping a piece to be tested;

the second clamping mechanism is arranged on the base in a sliding mode along the first direction and used for clamping the standard part; the first clamping mechanism can drive the to-be-tested piece to move towards the direction close to the second clamping mechanism, so that the plug of the to-be-tested piece is connected with the plug of the standard piece;

the buffer device is arranged at one end, far away from the first clamping mechanism, of the base and is opposite to the second clamping mechanism along the first direction; the buffer end of the buffer device can be abutted against the second clamping mechanism.

As an alternative to the insertion and return loss test docking jig, the first clamping mechanism includes a first slider, a first mounting block, and a cover plate, and the first slider is slidably disposed on the base along the first direction; the first mounting block is arranged on the first sliding block and used for supporting and mounting the piece to be tested; one end of the cover plate is rotatably arranged on the first mounting block and is used for abutting and limiting the piece to be tested on the first mounting block.

As an alternative of the above insertion and return loss test docking fixture, the upper surface of the first mounting block is recessed downward to form a first limiting groove, and the to-be-tested component is placed in the first limiting groove.

As an alternative to the above insertion-back damage testing docking jig, the first mounting block may be detachably connected to the first slider.

As an alternative of the insertion and return loss test docking fixture, the second clamping mechanism includes a second slider, a second mounting block, and a limiting component, and the second slider is slidably disposed on the base along the first direction; the second mounting block is arranged on the second sliding block and is used for supporting and mounting the standard part; one end of the limiting component is rotatably arranged on the second mounting block and is used for abutting and limiting the standard component on the second mounting block.

As an alternative of the insertion loss test docking fixture, the limiting assembly comprises a limiting block, a clamping hook and an elastic piece; one end of the limiting block is rotatably arranged on the second mounting block and is used for abutting the lower end of the limiting block against the standard component; the clamping hook is rotatably arranged at the other end of the limiting block and is used for being clamped on the second mounting block; one end of the elastic piece is abutted to the limiting block, and the other end of the elastic piece is abutted to the clamping hook, so that the clamping hook always has a movement trend towards the rotation of the second mounting block.

As an alternative of the above insertion and return loss test docking jig, the upper surface of the second mounting block is recessed downward to form a second limiting groove, and the standard component is placed in the second limiting groove.

As an alternative to the above insertion-back damage testing docking jig, the second mounting block may be detachably connected to the second slider.

As an alternative of the insertion and return loss test docking jig, the buffering device includes a supporting block and an oil buffer, the supporting block is disposed on the base, and the oil buffer is disposed on the supporting block.

As an alternative of the insertion return loss test butt joint clamp, the base is further provided with a limiting column; the limiting column is arranged between the first clamping mechanism and the second clamping mechanism and used for limiting the movement of the first clamping mechanism and the second clamping mechanism along the first direction.

The utility model has the advantages that:

the insertion return loss test butt joint clamp comprises a base, a first clamping mechanism, a second clamping mechanism and a buffering device. The first clamping mechanism is arranged on the base in a sliding mode along the first direction and used for clamping the piece to be tested, and therefore the piece to be tested can be guaranteed to move along the first direction. The second clamping mechanism is arranged on the base in a sliding mode along the first direction and used for clamping the standard component, and therefore the standard component can be guaranteed to move along the first direction. The first clamping mechanism can drive the to-be-tested piece to move towards the direction close to the second clamping mechanism, so that the plug of the to-be-tested piece is connected with the plug of the standard piece, and the subsequent test of the insertion return loss of the to-be-tested piece is facilitated. Meanwhile, the buffer device is arranged at one end, far away from the first clamping mechanism, of the base and is arranged opposite to the second clamping mechanism along the first direction, the buffer end of the buffer device can abut against the second clamping mechanism, and then after the first clamping mechanism drives the piece to be tested to move towards the second clamping mechanism along the first direction, the plug of the piece to be tested can be connected with the plug of the standard piece, at the moment, the second clamping mechanism moves towards the buffer device along the first direction, so that the buffer device buffers the second clamping mechanism again, damage caused by overlarge force when the plug end face of the piece to be tested and the plug end face of the standard piece collide with each other is avoided, the quality of a product is improved, meanwhile, the fluctuation of a plug return loss test value is reduced, and the accuracy is improved.

Drawings

Fig. 1 is a schematic structural view of a return loss test docking fixture according to an embodiment of the present invention;

fig. 2 is a top view of a return loss test docking fixture according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the insertion and return loss test docking fixture at another viewing angle according to an embodiment of the present invention.

In the figure:

1. a base; 11. a limiting column; 2. a first clamping mechanism; 21. a first slider; 22. a first mounting block; 221. a first limit groove; 23. a cover plate; 3. a second clamping mechanism; 31. a second slider; 32. a second mounting block; 321. a second limit groove; 33. a limiting component; 331. a limiting block; 332. a hook is clamped; 333. an elastic member; 4. a buffer device; 41. a supporting block; 42. a hydraulic shock absorber; 5. a piece to be tested; 6. and (4) standard parts.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, 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," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means 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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The embodiment provides an insertion return loss test butt joint clamp which is used for clamping a piece to be tested and a standard piece and enabling the piece to be tested to be in butt joint with the standard piece.

As shown in fig. 1 to 3, the insertion and return loss test docking fixture includes a base 1, a first clamping mechanism 2, a second clamping mechanism 3, and a buffer device 4. The first clamping mechanism 2 is slidably disposed on the base 1 along a first direction (i.e., an X direction in the drawing) for clamping the object 5 to be tested, so as to ensure that the object 5 to be tested can move along the first direction. The second clamping mechanism 3 is slidably disposed on the base 1 along the first direction for clamping the standard 6, thereby ensuring that the standard 6 can move along the first direction. The first clamping mechanism 2 can drive the piece to be tested 5 to move towards the direction close to the second clamping mechanism 3, so that the plug of the piece to be tested 5 is connected with the plug of the standard piece 6, and the subsequent test of the insertion return loss of the piece to be tested 5 is facilitated. Meanwhile, the buffer device 4 is arranged at one end, far away from the first clamping mechanism 2, of the base 1 and is arranged opposite to the second clamping mechanism 3 along the first direction, the buffer end of the buffer device 4 can abut against the second clamping mechanism 3, and then after the first clamping mechanism 2 drives the piece to be tested 5 to move towards the second clamping mechanism 3 along the first direction, the plug of the piece to be tested 5 can be connected with the plug of the standard piece 6, at the moment, the second clamping mechanism 3 moves towards the buffer device 4 along the first direction, so that the buffer device 4 buffers the second clamping mechanism 3 again, the situation that the damage is caused by the overlarge force when the plug end face of the piece to be tested 5 and the plug end face of the standard piece 6 collide with each other is avoided, the quality of a product is improved, meanwhile, the fluctuation of insertion return loss test values is reduced, and the accuracy is improved. Optionally, the piece to be tested 5 and the standard piece 6 are both optical fiber connectors. Of course, the to-be-tested device 5 and the standard device 6 may be other devices, and this embodiment is not particularly limited.

Specifically, the buffering device 4 comprises a supporting block 41 and an oil buffer 42, the supporting block 41 is arranged on the base 1, and the oil buffer 42 is arranged on the supporting block 41, so that when the second clamping mechanism 3 is close to the buffering device 4, the buffering end of the oil buffer 42 can abut and buffer the second clamping mechanism 3, and the impact of the part to be measured 5 after colliding with the standard part 6 is reduced.

Further, still be provided with spacing post 11 on the base 1, spacing post 11 is located between first clamping mechanism 2 and the second clamping mechanism 3, be used for carrying on spacingly to the removal of first clamping mechanism 2 and second clamping mechanism 3 along first direction, reduce the scope that first clamping mechanism 2 and second clamping mechanism 3 can remove, when avoiding first clamping mechanism 2 and second clamping mechanism 3's moving range too big, kinetic energy when the removal that causes is too big, the impact after 5 that has further reduced the piece of awaiting measuring and standard 6 and has collided with.

As shown in fig. 1 and 3, the first clamping mechanism 2 includes a first slider 21, a first mounting block 22, and a cover plate 23. First slider 21 slides along first direction and locates on base 1, and first installation piece 22 is located on first slider 21 for support and installation await measuring 5, thereby await measuring 5 also moves along first direction under the drive of first slider 21, makes the piece 5 that awaits measuring can be close to standard 6, realizes that the plug of piece 5 and standard 6 that awaits measuring meets. Wherein, the one end of apron 23 is rotated and is located on first installation piece 22 for will await measuring 5 butt spacing on first installation piece 22, thereby the position of piece 5 that awaits measuring on first installation piece 22 is stable, when can avoiding awaiting measuring 5 and standard component 6 to meet, the skew appears in the position of piece 5 that awaits measuring on first installation piece 22. Specifically, the upper surface of the first mounting block 22 is recessed downward to form a first limiting groove 221, and the to-be-tested piece 5 is placed in the first limiting groove 221, so that the first limiting groove 221 and the cover plate 23 can position and limit the to-be-tested piece 5, and the accuracy of connection between the to-be-tested piece 5 and the standard piece 6 is ensured. Optionally, first installation piece 22 can be dismantled with first slider 21 and be connected to can make things convenient for the staff to change first slider 21 as required, in order to be applicable to different kinds of piece 5 that awaits measuring.

Further, the second clamping mechanism 3 includes a second slider 31, a second mounting block 32, and a limiting assembly 33. Second slider 31 slides along first direction and locates on base 1, and second installation piece 32 locates on second slider 31, be used for supporting and installing standard component 6, make the joint of piece 5 that awaits measuring and standard component 6 meet the back, second slider 31 also moves along first direction with second installation piece 32 under the drive of standard component 6, and then make things convenient for follow-up buffering to second installation piece 32, avoid the too big and damage that causes of dynamics when colliding of the plug terminal surface of the piece 5 that awaits measuring and the plug terminal surface of standard component 6. Wherein, the one end of spacing subassembly 33 is rotated and is located on second installation piece 32 for spacing on second installation piece 32 with the abutment of standard component 6, thereby the position of standard component 6 on second installation piece 32 is stable, and when can avoiding the piece 5 that awaits measuring to meet with standard component 6, the position of standard component 6 on second installation piece 32 appears deviating. Specifically, the upper surface of the second mounting block 32 is recessed downward to form a second limiting groove 321, and the standard component 6 is placed in the second limiting groove 321, so that the second limiting groove 321 and the limiting component 33 can position and limit the standard component 6, and the accuracy of the connection between the to-be-measured component 5 and the standard component 6 is ensured. Optionally, the second mounting block 32 is detachably connected to the second sliding block 31, so that the second sliding block 31 can be conveniently replaced by a worker according to requirements, and the standard component 6 is suitable for different types of standard components. Alternatively, the object 5 to be measured can be mounted on the first clamping mechanism 2, and the standard component 6 can be mounted on the second clamping mechanism 3, which is not limited in this embodiment.

Further, the limiting component 33 includes a limiting block 331, a hook 332 and an elastic member 333. One end of the limiting block 331 is rotatably arranged on the second mounting block 32, and is used for abutting the lower end of the limiting block 331 on the standard component 6, so that the limiting block 331 can abut and limit the standard component 6 in the vertical direction. The hook 332 is rotatably disposed at the other end of the limiting block 331 and is used for being connected to the second mounting block 32 in a clamping manner, so that the position between the limiting block 331 and the second mounting block 32 is relatively stable, and the stability of the standard component 6 is ensured. One end of the elastic piece 333 is abutted to the limit block 331, and the other end of the elastic piece 333 is abutted to the hook 332, so that the hook 332 always has a movement trend towards the second mounting block 32, and further, when the to-be-tested piece 5 collides with the standard piece 6, the situation that the hook 332 is separated from the second mounting block 32 can be avoided. Specifically, the hook 332 is disposed on the limit block 331 through a rotating shaft, and the elastic member 333 can drive the hook 332 to rotate around the rotating shaft.

It is obvious that 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. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or 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

1. The utility model provides an insert return loss test butt joint anchor clamps which characterized in that, includes base (1) and:

the first clamping mechanism (2) is arranged on the base (1) in a sliding mode along a first direction and used for clamping a piece to be measured (5);

the second clamping mechanism (3) is arranged on the base (1) in a sliding mode along the first direction and used for clamping a standard part (6); the first clamping mechanism (2) can drive the piece to be tested (5) to move towards the direction close to the second clamping mechanism (3) so as to enable the plug of the piece to be tested (5) to be connected with the plug of the standard piece (6);

the buffer device (4) is arranged at one end, far away from the first clamping mechanism (2), of the base (1), and is opposite to the second clamping mechanism (3) along the first direction; the buffer end of the buffer device (4) can be abutted against the second clamping mechanism (3).

2. The insertion loss test docking fixture of claim 1, wherein the first clamping mechanism (2) comprises a first sliding block (21), a first mounting block (22) and a cover plate (23), and the first sliding block (21) is slidably arranged on the base (1) along the first direction; the first mounting block (22) is arranged on the first sliding block (21) and used for supporting and mounting the piece to be tested (5); one end of the cover plate (23) is rotatably arranged on the first mounting block (22) and is used for limiting the piece to be tested (5) in a butting mode on the first mounting block (22).

3. The insertion loss test docking fixture as claimed in claim 2, wherein the upper surface of the first mounting block (22) is recessed downward to form a first limiting groove (221), and the piece to be tested (5) is placed in the first limiting groove (221).

4. The insertion loss test docking fixture of claim 2, wherein the first mounting block (22) is removably connected to the first slider (21).

5. The insertion return loss test docking fixture according to claim 1, wherein the second clamping mechanism (3) comprises a second sliding block (31), a second mounting block (32) and a limiting component (33), and the second sliding block (31) is slidably arranged on the base (1) along the first direction; the second mounting block (32) is arranged on the second sliding block (31) and is used for supporting and mounting the standard part (6); one end of the limiting component (33) is rotatably arranged on the second mounting block (32) and used for limiting the standard part (6) in a butting mode on the second mounting block (32).

6. The insertion loss test docking fixture of claim 5, wherein the limiting component (33) comprises a limiting block (331), a snap (332) and an elastic member (333); one end of the limiting block (331) is rotatably arranged on the second mounting block (32) and is used for enabling the lower end of the limiting block (331) to abut against the standard component (6); the clamping hook (332) is rotatably arranged at the other end of the limiting block (331) and is used for being clamped on the second mounting block (32); one end of the elastic piece (333) is abutted to the limiting block (331), and the other end of the elastic piece (333) is abutted to the clamping hook (332), so that the clamping hook (332) always has a movement trend towards the second mounting block (32) in a rotating mode.

7. The insertion loss test docking fixture as claimed in claim 5, wherein the upper surface of the second mounting block (32) is recessed downward to form a second limiting groove (321), and the standard component (6) is placed in the second limiting groove (321).

8. Insertion loss test docking jig according to claim 5, characterized in that the second mounting block (32) is detachably connected with the second slider (31).

9. The insertion return loss test docking jig according to claim 1, wherein the buffering device (4) comprises a supporting block (41) and an oil pressure buffer (42), the supporting block (41) is disposed on the base (1), and the oil pressure buffer (42) is disposed on the supporting block (41).

10. The insertion return loss test docking fixture according to claim 1, wherein a limiting column (11) is further arranged on the base (1); the limiting column (11) is arranged between the first clamping mechanism (2) and the second clamping mechanism (3) and used for limiting the movement of the first clamping mechanism (2) and the second clamping mechanism (3) along the first direction.