CN111546230A

CN111546230A - MPO wire jumper grinds uses quick-assembling anchor clamps

Info

Publication number: CN111546230A
Application number: CN202010486257.8A
Authority: CN
Inventors: 刘合一
Original assignee: Takfly Communications Co ltd
Current assignee: Takfly Communications Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-08-18
Anticipated expiration: 2040-06-01
Also published as: CN111546230B

Abstract

The invention relates to the technical field of optical fiber processing devices, in particular to a quick-mounting clamp for grinding an MPO jumper, which comprises a clamp body, wherein a positioning groove and a fixing device are circumferentially arranged on the clamp body; the movable rod is connected with the mounting seat in a sliding manner, the clamping block is arranged at one end of the movable rod, the elastic expansion piece is arranged between the movable rod and the mounting seat, and the limiting piece and the movable rod are provided with a hinged shaft; the limiting piece comprises a first limiting surface and a second limiting surface, and the mounting seat is provided with a butting surface; when the first limiting surface abuts against the abutting surface, the clamping block is matched with the positioning groove to clamp the MPO jumper wire connecting terminal; when the second limiting surface abuts against the abutting surface, the gap between the clamping block and the positioning groove is larger than the size of the MPO jumper wire terminal. This fast-assembling anchor clamps for grinding is convenient for the staff to carry out the clamping and unload MPO wire jumper wiring end, has the advantage of raising efficiency.

Description

MPO wire jumper grinds uses quick-assembling anchor clamps

Technical Field

The invention relates to the technical field of optical fiber processing devices, in particular to a quick-mounting clamp for grinding an MPO jumper.

Background

The MPO jumper is formed by processing an MPO connector and an optical fiber cable, and is widely applied to the wiring environment of high-density integrated optical fiber circuits. In the cold processing field of MPO jumper wires, a fiber grinder is required to grind and polish the MPO jumper wire terminals. Meanwhile, in order to ensure the grinding and polishing precision, a special fixture is usually used to clamp and fix the MPO jumper terminal.

Chinese patent No. CN207971819U discloses a clamp for grinding MPO jumper wires (i.e., the grinding clamp for MPO jumper wires described in the document), which includes a circular clamp body and a fixing device disposed on the circumference of the clamp body. Specifically, the fixing device comprises a positioning groove, a sliding block and a screw; the positioning groove is arranged along the radial direction of the clamp body and used for containing the MPO jumper wire terminal, and meanwhile, the sliding block is arranged in the positioning groove in a sliding mode. The lateral wall of anchor clamps body is equipped with the screw with the constant head tank intercommunication, and screw thread connection is in the screw, and the screw stretches into the one end of constant head tank and is connected with the slider rotation. The screw is rotated to drive the sliding block to move along the length direction of the positioning groove, so that the MPO jumper wire terminal is clamped or loosened.

The above prior art solutions have the following drawbacks: the clamp body is usually provided with a plurality of fixing devices in the circumferential direction and used for increasing the grinding quantity of a single grinding process, when the fixing devices are used for clamping or loosening the MPO jumper wire terminals, workers are required to rotate screws one by one to realize the clamping and the dismounting of the MPO jumper wire terminals, and the efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, one of the purposes of the invention is to provide a quick-mounting clamp for grinding MPO jumper wires, which is convenient for workers to clamp and unload the MPO jumper wire terminals and has the advantage of improving the efficiency.

The above object of the present invention is achieved by the following technical solutions: a quick-mounting clamp for grinding an MPO jumper wire comprises a clamp body, wherein a plurality of positioning grooves are circumferentially arranged on the clamp body, a plurality of fixing devices are circumferentially arranged on the clamp body, and the number of the fixing devices is the same as that of the positioning grooves and corresponds to that of the positioning grooves one by one; the fixing device comprises an installation seat, a movable rod, a clamping block, an elastic telescopic piece and a limiting piece, wherein the installation seat is arranged on the clamp body and is positioned on one side of the positioning groove far away from the center of the clamp body; the movable rod is connected to the mounting seat in a sliding manner along the direction close to or far away from the positioning groove; the clamping block is arranged at one end of the movable rod close to the positioning groove and is positioned in the positioning groove, and the clamping block is used for matching with the groove wall of the positioning groove to clamp the MPO jumper wire terminal; the elastic expansion piece is arranged between the movable rod and the mounting seat and used for keeping the clamping state of the clamping block matched with the groove wall of the positioning groove on the MPO jumper wire terminal; an articulated shaft is arranged at one end of the limiting piece and one end of the movable rod, which are far away from the clamping block, and the articulated shaft is vertical to the length direction of the movable rod; the limiting part comprises a first limiting surface and a second limiting surface, and the distance between the first limiting surface and the articulated shaft is smaller than the distance between the second limiting surface and the articulated shaft; one end of the mounting base, which is close to the limiting piece, is provided with a butting surface for butting the first limiting surface against the second limiting surface, and the butting surface is perpendicular to the length direction of the movable rod; when the limiting piece rotates until the first limiting surface abuts against the abutting surface, the clamping block is matched with the positioning groove to clamp the MPO jumper wire terminal; when the limiting part rotates to the position where the second limiting surface abuts against the abutting surface, the gap between the clamping block and the positioning groove is larger than the size of the MPO jumper wire terminal.

By adopting the technical scheme, the MPO jumper wire connecting terminal is inserted into the positioning groove of the clamp body from top to bottom by a worker, the limiting piece is rotated until the first limiting surface is abutted against the abutting surface, the movable rod moves along the direction close to the positioning groove under the action of the elastic force of the elastic telescopic piece, so that the clamping block is close to the center of the clamp body and is matched with the positioning groove to clamp the MPO jumper wire connecting terminal, and the effect of clamping the MPO jumper wire connecting terminal on the clamp body can be conveniently realized; on the other hand, after the MPO jumper wire terminal is ground, a worker only needs to rotate the limiting piece until the second limiting surface abuts against the abutting surface, the movable rod is driven to be away from the positioning groove, so that the clamping block is away from the center of the clamp body, and the clearance between the clamping block and the positioning groove is larger than the size of the MPO jumper wire terminal, so that the ground MPO jumper wire terminal can be taken out of the positioning groove; in the process of clamping and dismounting the whole MPO jumper wire terminal, the working personnel only need to rotate the limiting part to realize, the operation process is simple and convenient, and compared with the traditional screw rotating mode, the efficiency is obviously improved.

Preferably, a movable groove is formed in the mounting seat, and the movable rod is arranged in the movable groove in a sliding manner.

Through adopting above-mentioned technical scheme, the movable rod slides the cooperation with the movable groove, realizes sliding between movable rod and the mount pad and is connected, and simple structure is practical.

Preferably, a movable groove is formed in one side, close to the positioning groove, of the mounting seat, and the movable groove is communicated with the movable groove; one section that the movable rod is located the movable groove is equipped with solid fixed ring, the elastic expansion piece is linear spring, linear spring cover is located on the movable rod, just linear spring locates between solid fixed ring and the movable groove tank bottom.

Through adopting above-mentioned technical scheme, when the first spacing face of locating part and butt face, use the linear spring who installs between solid fixed ring and activity groove tank bottom, can keep the grip block to the tight state of MPO wire jumper wiring end.

Preferably, the one end that the mount pad is close to the locating part is equipped with articulated seat, articulated seat is equipped with waist type hole along the length direction of movable rod, the articulated shaft slides and locates in the waist type hole.

Through adopting above-mentioned technical scheme, waist type hole sets up along the length direction of movable rod, utilizes the cooperation of sliding between articulated shaft and the waist type hole, can play good guide effect to the articulated shaft, when the articulated shaft is rotated by the spacing piece and is driven the movable rod motion, waist type pore pair articulated shaft's guide effect also can play the guide effect to the locating part to make the staff use the process of locating part drive movable rod motion more convenient.

Preferably, the limiting member is connected with a holding arm.

By adopting the technical scheme, the holding arm is convenient for a worker to hold so that the worker drives the limiting piece to rotate, the clamping and the dismounting of the MPO jumper wire terminal are more convenient, and the effect of improving the efficiency is achieved; in addition, in the process of actually removing the MPO jumper wire terminals, a worker can rotate a plurality of adjacent limiting blocks through the holding arms, and the removal efficiency is further improved.

Preferably, one side of the mounting base, which is close to the limiting part, is provided with a positioning block, and when the positioning block abuts against the limiting part, the second limiting surface of the limiting part abuts against the abutting surface.

By adopting the technical scheme, the abutting positioning action of the positioning block and the limiting part positions the abutting state of the second limiting surface and the abutting surface, and meanwhile, the abutting action of the positioning block and the limiting part can also play a limiting role on the limiting part so as to reduce the condition that the second limiting surface is separated from the abutting surface due to excessive rotation of the limiting part.

Preferably, the movable rod is arranged obliquely upwards along the direction far away from the positioning groove, and the included angle between the length direction of the movable rod and the surface of the clamp body is an acute angle; one side of the clamping block, which is close to the movable rod, is provided with a connecting groove, and one end of the movable rod, which is close to the clamping block, is hinged in the connecting groove.

Through adopting above-mentioned technical scheme, the movable rod is the slope setting for the mount pad can be followed the slope and upwards extended the setting, need remove under the same distance's the condition at the movable rod, and the circumference space that the mount pad need occupy can obtain corresponding reduction, thereby reduces the size that occupies of whole anchor clamps.

Preferably, the clamp body is provided with a connecting column, the connecting column is provided with an inserting groove matched with the driving shaft of the optical fiber grinding machine, and the connecting column is driven by the driving shaft of the optical fiber grinding machine to rotate; the connecting column is provided with a locking assembly for keeping the connecting column and the driving shaft of the optical fiber grinder axially fixed relative to each other.

Through adopting above-mentioned technical scheme, use the closure subassembly to realize being connected dismantled between spliced pole and the optical fiber grinder drive shaft, be convenient for realize in the use, install corresponding anchor clamps body on the optical fiber grinder drive shaft according to the MPO wire jumper wiring end of different sizes or model.

Preferably, the locking assembly comprises a locking pin, a guide cylinder, a holding piece and a locking spring, the side wall of the connecting column is provided with a locking hole penetrating to the insertion groove, and the locking pin is arranged in the locking hole in a sliding manner; the guide cylinder is arranged on the side wall of the connecting column, a guide hole for the locking pin to slide is formed in the guide cylinder, and the guide hole is communicated with the locking hole; the holding piece is arranged at one end of the locking pin far away from the locking hole and connected with one end of the locking pin extending into the guide cylinder; the locking spring is arranged between the locking pin and the guide cylinder and used for enabling the locking pin to extend out of the locking hole to the insertion groove.

By adopting the technical scheme, when the driving shaft of the optical fiber grinding machine is inserted into the insertion groove of the connecting column, the locking pin keeps a state of extending into the insertion groove and being matched with the driving shaft of the optical fiber grinding machine under the action of the elastic force of the locking spring, so that the connecting column and the driving shaft of the optical fiber grinding machine are relatively fixed; meanwhile, the holding piece is arranged to facilitate the pulling of the locking pin by a worker so as to remove the relative fixation between the connecting column and the driving shaft of the optical fiber grinding machine.

Preferably, one end of the guide cylinder, which is close to the holding piece, is provided with a first groove and a second groove, and the depth of the first groove is greater than that of the second groove; one end of the holding piece, which is close to the guide cylinder, is provided with a first convex edge, and the first convex edge is used for abutting against the bottoms of the first groove and the second groove; when the first convex edge abuts against the bottom of the first groove, one end, far away from the holding piece, of the locking pin extends into the insertion groove; when the first convex edge abuts against the bottom of the second groove, one end, far away from the holding piece, of the locking pin is located in the locking hole.

By adopting the technical scheme, when the first convex edge is abutted against the second groove, one end of the locking pin, which is far away from the holding piece, is positioned in the locking hole, and at the moment, the connecting column and the driving shaft of the optical fiber grinding machine can move relatively along the axis, so that the installation and separation of the connecting column and the driving shaft of the optical fiber grinding machine can be realized by a worker conveniently.

In summary, the invention includes at least one of the following beneficial technical effects:

1. in the whole process of clamping and removing the MPO jumper wire terminal, workers only need to rotate the limiting piece, the operation process is simple and convenient, and the efficiency is obviously improved compared with the traditional screw rotating mode;

2. the waist-shaped hole on the hinge seat can play a good role in guiding the hinge shaft and the limiting piece, so that the process that a worker drives the movable rod to move by using the limiting piece is more convenient and faster;

3. in the process of actually removing the MPO jumper wire terminals, a worker can simultaneously rotate a plurality of adjacent limiting blocks through the holding arms, so that the removal efficiency is further improved;

4. the abutting joint of the positioning block and the limiting piece can also be used for positioning and limiting the limiting piece, so that the situation that the second limiting surface is separated from the abutting joint surface due to excessive rotation of the limiting piece is reduced;

5. the movable rod is arranged in an inclined manner, so that the mounting seat can extend upwards in an inclined manner, and the circumferential space occupied by the mounting seat can be correspondingly reduced under the condition that the movable rod needs to move for the same distance, so that the occupied size of the whole clamp is reduced;

6. the locking assembly is used for realizing detachable connection between the connecting column and the driving shaft of the optical fiber grinding machine, so that the corresponding clamp bodies are arranged on the driving shaft of the optical fiber grinding machine according to MPO jumper wire terminals with different sizes or models in the using process;

7. when the first convex edge is matched with the first groove, one end, far away from the holding piece, of the locking pin is located in the locking hole, and at the moment, the connecting column and the driving shaft of the optical fiber grinding machine can move relatively along the axis, so that workers can conveniently install and separate the connecting column and the driving shaft of the optical fiber grinding machine.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a partial schematic view for showing the structure of the fixing device in the embodiment of the present invention.

Fig. 4 is a schematic view of an installation structure of the fixing device and the clamp body according to the embodiment of the invention.

Fig. 5 is a schematic cross-sectional view of a fixing device according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view taken from a-a in fig. 2.

Reference numerals: 1. a clamp body; 11. positioning a groove; 11a, a first groove; 11b, a second groove; 2. a fixing device; 21. a mounting seat; 21a, an abutting surface; 211. a containing groove; 212. a movable groove; 213. a hinged seat; 213a, a kidney-shaped hole; 213b, a positioning block; 22. a movable rod; 221. a fixing ring; 23. a linear spring; 24. a clamping block; 241. connecting grooves; 25. a limiting block; 25a, a hinge shaft; 25b, a holding arm; 251. a first limiting surface; 252. a second limiting surface; 3. connecting columns; 3a, locking holes; 31. a connecting disc; 32. inserting grooves; 32a, vertical slots; 32b, a transverse groove; 33. a threaded barrel; 4. a locking assembly; 41. a guide cylinder; 41a, a first groove; 41b, a second groove; 41c, a guide hole; 42. a locking pin; 43. a grip; 43a, a first ledge; 43b, a second ledge; 44. and locking the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the invention discloses a quick-mounting fixture for grinding an MPO jumper, which comprises a fixture body 1, a fixing device 2 and a connecting column 3, wherein the fixture body 1 is disc-shaped, a plurality of positioning grooves 11 for positioning MPO jumper connection terminals are circumferentially arranged on the fixture body 1, and the positioning grooves 11 penetrate from the upper surface to the lower surface of the fixture body 1.

Referring to fig. 3 and 4, the number of the fixing devices 2 is the same as that of the positioning grooves 11, and the fixing devices correspond to the positioning grooves 11 one by one and are used for clamping and fixing the MPO jumper wire terminals in the positioning grooves 11; specifically, the fixing device 2 includes a mounting seat 21, a movable rod 22, a linear spring 23, a clamping block 24, and a limiting member. Wherein, the mounting seat 21 is mounted on the side of the upper surface of the clamp body 1 close to the edge by bolts, and in the embodiment, the longitudinal section of the mounting seat 21 is in a triangle-like shape.

Referring to fig. 4 and 5, one end of the mounting seat 21 close to the positioning slot 11 is located at the upper end of the positioning slot 11, and one end of the mounting seat 21 close to the positioning slot 11 is provided with an accommodating slot 211 communicated with the positioning slot 11; meanwhile, a movable groove 212 is further formed in the mounting seat 21, one end of the movable groove 212 is communicated with the accommodating groove 211, the movable groove 212 is obliquely and upwardly arranged along a direction away from the movable groove 212, and an included angle formed between the length direction of the movable groove 212 and the upper surface of the fixture body 1 is an acute angle.

Referring to fig. 4 and 5, the movable rod 22 is slidably mounted in the movable groove 212, one end of the movable rod 22 penetrates through the accommodating groove 211 and extends into the positioning groove 11, and the other end extends out of the upper end surface of the mounting base 21 from the movable groove 212. Meanwhile, the movable rod 22 is welded with the fixing ring 221 at one section of the accommodating groove 211, correspondingly, the linear spring 23 is sleeved on the movable rod 22, one end of the linear spring 23 is connected with the fixing ring 221, and the other end of the linear spring is connected to the bottom of the accommodating groove 211.

Referring to fig. 4 and 5, the clamping block 24 is installed at one end of the movable rod 22 extending into the positioning slot 11, a connecting slot 241 is opened on an end surface of the clamping block 24 close to the positioning slot 11, and an end of the movable rod 22 extends into the connecting slot 241 and is hinged to the connecting slot 241; meanwhile, the holding block 24 is located on the side of the positioning groove 11 away from the center of the jig body 1.

Referring to fig. 4 and 5, in the present embodiment, the positioning groove 11 includes a first groove 11a and a second groove 11b, the first groove 11a communicates with the second groove 11b, and the width of the first groove 11a is adapted to the size of the MPO jumper terminal for positioning the MPO jumper terminal; the second groove 11b is located on one side of the first groove 11a away from the center of the clamp body 1, and the width of the second groove 11b is matched with the size of the clamping block 24, so as to mount and accommodate the clamping block 24. In addition, the width of the second slot 11b is smaller than that of the first slot 11a so that the MPO jumper terminal can be stably positioned in the first slot 11a, and the clamping block 24 is driven to approach the first slot 11a from the second slot 11b to form a clamping space with the first slot 11a to be clamped and fixed with the MPO jumper terminal.

Referring to fig. 4 and 5, the limiting element is mounted at an end of the movable rod 22 away from the clamping block 24, and a hinge shaft 25a is disposed through the limiting element, and the hinge shaft 25a is perpendicular to the length direction of the movable rod 22 and penetrates through the movable rod 22, so as to achieve the hinge connection between the limiting element and the movable rod 22. Meanwhile, the mounting seat 21 is further integrally formed with a hinge seat 213, the hinge shaft 25a is provided with a waist-shaped hole 213a through which the hinge shaft 25a passes, and the length direction of the waist-shaped hole 213a is the same as the length direction of the movable rod 22. The hinge shaft 25a can be guided by the sliding fit between the hinge shaft 25a and the waist-shaped hole 213 a.

Referring to fig. 4 and 5, the limiting members are two parallel limiting blocks 25 with the same shape and size, the two limiting blocks 25 are all rectangular-like, and the two limiting blocks 25 are respectively located at two sides of the hinge base 213. The limiting block 25 comprises a first limiting surface 251 and a second limiting surface 252 which are perpendicular to each other, wherein the distance between the first limiting surface 251 and the hinge shaft 25a is smaller than the distance between the second limiting surface 252 and the hinge shaft 25 a; correspondingly, one end of the mounting seat 21 close to the limiting block 25 is provided with an abutting surface 21a perpendicular to the movable rod 22, and the abutting surface 21a is used for abutting the first limiting surface 251 against the second limiting surface 252. By rotating the limiting block 25, the first limiting surface 251 and the second limiting surface 252 respectively abut against the abutting surface 21a, thereby achieving the effect of driving the movable rod 22 to move.

In addition, the limiting block 25 is connected with a holding arm 25b for holding by a worker; furthermore, a positioning block 213b is further extended from the hinge base 213 for limiting the contact of the grip arm 25 b. When the positioning block 213b abuts against the grip arm 25b, the second stopper surface 252 of the stopper 25 abuts against the abutment surface 21 a.

Referring to fig. 1, the connection column 3 is cylindrical, and the central axis of the connection column 3 is collinear with the central axis of the jig body 1. The lower extreme integrated into one piece of spliced pole 3 has connection pad 31, and the lower surface of connection pad 31 and the upper surface laminating of anchor clamps body 1, and connection pad 31 and anchor clamps body 1 realize relatively fixed through the bolt, realize being connected between spliced pole 3 and the anchor clamps body 1 promptly.

Referring to fig. 1, the upper end of the connecting column 3 is provided with an inserting groove 32, the inserting groove 32 includes a vertical groove 32a and a horizontal groove 32b, wherein the vertical groove 32a is a cylindrical groove collinear with the axis of the connecting column 3, and the vertical groove 32a is arranged on the upper surface of the connecting column 3 along the axial length direction of the connecting column 3; the horizontal groove 32b is opened on the upper surface of the connecting column 3, the horizontal groove 32b is perpendicular to and communicated with the vertical groove 32a, and meanwhile, both ends of the horizontal groove 32b are communicated to the side wall of the connecting column 3. Correspondingly, the optical fiber grinding machine driving shaft is provided with the inserting end matched with the inserting groove 32, and the circumferential relative fixation between the connecting column 3 and the optical fiber grinding machine driving shaft is realized through the matching between the inserting end and the inserting groove 32, so that the clamp body 1 can be driven by the optical fiber grinding machine driving shaft to rotate.

Referring to fig. 1 and 6, a locking assembly 4 is further mounted on the connecting column 3 for achieving axial relative fixation between the connecting column 3 and the driving shaft of the optical fiber grinder; specifically, the locking assembly 4 includes a guide cylinder 41, a locking pin 42, a grip 43, and a locking spring 44. The side wall of the connecting column 3 is provided with a locking hole 3a communicated to the vertical groove 32a, the side wall of the connecting column 3 is welded with a threaded cylinder 33 at the position of the locking hole 3a, the guide cylinder 41 is installed on the threaded cylinder 33 in a threaded manner, and the guide cylinder 41 is internally provided with a guide hole 41c communicated with the insertion groove 32. The locking pin 42 is slidably connected to the guiding hole 41c, and one end of the locking pin 42 close to the vertical slot 32a can extend into the vertical slot 32a from the locking hole 3a for matching with the insertion end of the optical fiber grinder driving shaft.

Referring to fig. 1 and 6, the holding member 43 is fixedly connected to one end of the locking pin 42 extending into the guide cylinder 41, a first groove 41a and a second groove 41b are formed on an end surface of the guide cylinder 41 close to the holding member 43, and the depth of the first groove 41a is smaller than that of the second groove 41 b; accordingly, the end surface of the grip 43 adjacent to the guide cylinder 41 is integrally formed with a first ledge 43a and a second ledge 43 b. The first ledge 43a fits into the first groove 41a, the second ledge 43b fits into the second groove 41b, and the first ledge 43a can also abut into the second groove 41 b.

Referring to fig. 1 and 6, in particular, when the first ledge 43a abuts against the bottom of the first groove 41a, one end of the locking pin 42 away from the holding piece 43 extends into the insertion groove 32 for axially fixing the connection column 3 and the optical fiber grinder driving shaft; when the first convex edge 43a abuts against the bottom of the second groove 41b, one end of the locking pin 42, which is far away from the holding piece 43, is located in the locking hole 3a, and at the moment, the connecting column 3 and the optical fiber grinder driving shaft can move relatively along the axis, so that the installation and separation of the connecting column 3 and the optical fiber grinder driving shaft can be conveniently realized by a worker. In this embodiment, the number of the first convex edges 43a and the second convex edges 43b is two, and the first convex edges 43a and the second convex edges 43b are alternately distributed in the circumferential direction of the end surface of the holding member 43; the number of the first grooves 41a and the number of the second grooves 41b are two, and the first grooves 41a and the second grooves 41b are alternately distributed in the circumferential direction of the end surface of the guide cylinder 41.

Referring to fig. 1 and 6, the locking spring 44 is sleeved on the locking pin 42, the locking spring 44 is located in the guide cylinder 41, one end of the locking spring 44 is fixedly connected with the locking pin 42, and the other end is connected with the end face of the threaded sleeve far away from the connecting column 3. When the locking spring 44 is in a natural state, the locking pin 42 protrudes from the locking hole 3a into the vertical groove 32a for maintaining the locking pin 42 in a state of being engaged with the insertion end of the optical fiber grinder driving shaft.

The implementation principle of the embodiment is as follows: the staff inserts MPO wire jumper terminal top-down to the constant head tank 11 of anchor clamps body 1 in, rotates stopper 25 to first spacing face 251 and butt face 21a looks butt through holding arm 25b, and movable rod 22 moves along the direction that is close to constant head tank 11 under the elastic force effect of linear spring 23 for grip block 24 is close to the center of anchor clamps body 1 and cooperatees with constant head tank 11 and presss from both sides MPO wire jumper terminal tightly, can conveniently realize the effect of clamping MPO wire jumper terminal in anchor clamps body 1.

After the MPO jumper connection terminal is ground, the staff only need rotate limiting block 25 to second spacing face 252 and butt face 21a looks butt, and locating slot 11 is kept away from in the movable rod 22 driven to make grip block 24 keep away from anchor clamps body 1 center, the clearance between grip block 24 and the locating slot 11 is greater than the size of MPO jumper connection terminal this moment, can take out the MPO jumper connection terminal that grinds the completion from in the locating slot 11. In addition, in the process of actually removing the MPO jumper terminal, a worker can simultaneously rotate the adjacent limiting blocks 25 through the holding arms 25 b.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a MPO wire jumper grinds uses ready-packaged clamp, includes anchor clamps body (1), its characterized in that: the clamp comprises a clamp body (1), a plurality of positioning grooves (11) and a plurality of fixing devices (2), wherein the plurality of positioning grooves (11) are circumferentially arranged on the clamp body (1), and the number of the fixing devices (2) is the same as that of the positioning grooves (11) and corresponds to that of the positioning grooves one by one;

the fixing device (2) comprises a mounting seat (21), a movable rod (22), a clamping block (24), an elastic telescopic piece and a limiting piece, wherein the mounting seat (21) is arranged on the clamp body (1), and the mounting seat (21) is positioned on one side, away from the center of the clamp body (1), of the positioning groove (11);

the movable rod (22) is connected to the mounting seat (21) in a sliding manner along the direction close to or far away from the positioning groove (11);

the clamping block (24) is arranged at one end, close to the positioning groove (11), of the movable rod (22), the clamping block (24) is located in the positioning groove (11), and the clamping block (24) is used for being matched with the groove wall of the positioning groove (11) to clamp the MPO jumper wire terminal;

the elastic expansion piece is arranged between the movable rod (22) and the mounting seat (21) and used for keeping the clamping state of the MPO jumper wire terminal when the clamping block (24) is matched with the groove wall of the positioning groove (11);

one ends of the limiting piece and the movable rod (22) far away from the clamping block (24) are provided with hinged shafts (25a), and the hinged shafts (25a) are perpendicular to the length direction of the movable rod (22);

the limiting piece comprises a first limiting surface (251) and a second limiting surface (252), and the distance between the first limiting surface (251) and the hinge shaft (25a) is smaller than the distance between the second limiting surface (252) and the hinge shaft (25 a);

one end of the mounting seat (21) close to the limiting piece is provided with an abutting surface (21a) for abutting against the first limiting surface (251) and the second limiting surface (252), and the abutting surface (21a) is perpendicular to the length direction of the movable rod (22);

when the limiting piece rotates until the first limiting surface (251) abuts against the abutting surface (21a), the clamping block (24) is matched with the positioning groove (11) to clamp the MPO jumper wire terminal;

when the limiting piece rotates to the state that the second limiting surface (252) abuts against the abutting surface (21a), the gap between the clamping block (24) and the positioning groove (11) is larger than the size of the MPO jumper wire terminal.

2. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: a movable groove (212) is formed in the mounting seat (21), and the movable rod (22) is arranged in the movable groove (212) in a sliding mode.

3. The quick-mounting clamp for grinding the MPO jumper wire according to claim 2, characterized in that: a movable groove (212) is formed in one side, close to the positioning groove (11), of the mounting seat (21), and the movable groove (212) is communicated with the movable groove (212); one section that movable rod (22) are located activity groove (212) is equipped with solid fixed ring (221), the elastic expansion piece is linear spring (23), linear spring (23) cover is located on movable rod (22), just linear spring (23) are located between solid fixed ring (221) and activity groove (212) tank bottom.

4. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: one end that mount pad (21) are close to the locating part is equipped with articulated seat (213), articulated seat (213) are equipped with waist type hole (213a) along the length direction of movable rod (22), articulated shaft (25a) slide and locate in waist type hole (213 a).

5. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: the limiting piece is connected with a holding arm (25 b).

6. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: one side of the mounting seat (21) close to the limiting part is provided with a positioning block (213b), and when the positioning block (213b) abuts against the limiting part, a second limiting surface (252) of the limiting part abuts against an abutting surface (21 a).

7. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: the movable rod (22) is arranged upwards along the direction far away from the positioning groove (11) in an inclined mode, and the included angle between the length direction of the movable rod (22) and the surface of the clamp body (1) is an acute angle; one side that the clamping block (24) is close to the movable rod (22) is equipped with the spread groove (241), the one end that the movable rod (22) is close to the clamping block (24) articulates in spread groove (241).

8. The quick-mounting clamp for grinding the MPO jumper wire according to claim 1, characterized in that: the clamp body (1) is provided with a connecting column (3), the connecting column (3) is provided with an inserting groove (32) matched with the driving shaft of the optical fiber grinding machine, and the connecting column (3) is driven by the driving shaft of the optical fiber grinding machine to rotate; the connecting column (3) is provided with a locking assembly (4), and the locking assembly (4) is used for keeping the connecting column (3) and the optical fiber grinder driving shaft axially fixed relatively.

9. The quick-mounting clamp for grinding the MPO jumper wire according to claim 8, characterized in that: the locking assembly (4) comprises a locking pin (42), a guide cylinder (41), a holding piece (43) and a locking spring (44), a locking hole (3a) penetrating through the insertion groove (32) is formed in the side wall of the connecting column (3), and the locking pin (42) is slidably arranged in the locking hole (3 a);

the guide cylinder (41) is arranged on the side wall of the connecting column (3), the guide cylinder (41) is provided with a guide hole (41c) for the sliding of the locking pin (42), and the guide hole (41c) is communicated with the locking hole (3 a);

the holding piece (43) is arranged at one end, far away from the locking hole (3a), of the locking pin (42), and the holding piece (43) is connected to one end, extending into the guide cylinder (41), of the locking pin (42);

the locking spring (44) is arranged between the locking pin (42) and the guide cylinder (41) and used for enabling the locking pin (42) to extend out of the self-locking hole (3a) to the insertion groove (32).

10. The quick-mounting clamp for grinding the MPO jumper wire according to claim 9, characterized in that: one end of the guide cylinder (41) close to the holding piece (43) is provided with a first groove (41a) and a second groove (41b), and the depth of the first groove (41a) is greater than that of the second groove (41 b);

one end of the holding piece (43) close to the guide cylinder (41) is provided with a first convex edge (43a), and the first convex edge (43a) is used for abutting against the bottoms of the first groove (41a) and the second groove (41 b);

when the first convex edge (43a) abuts against the bottom of the first groove (41a), one end, far away from the holding piece (43), of the locking pin (42) extends into the insertion groove (32);

when the first convex edge (43a) abuts against the bottom of the second groove (41b), one end, far away from the holding piece (43), of the locking pin (42) is located in the locking hole (3 a).