CN111290085A - Pluggable optical module easy to pull and reset and assembling method thereof - Google Patents

Abstract

The invention relates to a pluggable optical module easy to pull and reset, which comprises a shell and a pulling structure, wherein the pulling structure comprises a pull ring hinged on the shell and a sliding piece connected on the shell in a sliding way, an elastic component for driving slider reverse movement, set up first guide way on the casing and set up the second guide way on the casing, be equipped with on the pull ring be used for with the slider butt and along with the pull ring upset promote the gliding bulge of slider, the slider includes oblique guide block and straight guide block, oblique guide block is fixed with straight guide block, straight guide block and first guide way sliding connection, first guide way and second guide way intercommunication, oblique guide block and second guide way sliding connection, first inclined plane has been seted up on the second guide way lateral wall, the second inclined plane has been seted up to oblique guide block lateral part, second inclined plane and first inclined plane adaptation, straight guide block width is less than oblique guide block width, the width that oblique guide block kept away from straight guide block one end is greater than the width that oblique guide block is close to straight guide block one end. The present invention has the effect of improving the convenience of operation.

Description

Pluggable optical module easy to pull and reset and assembling method thereof

Technical Field

The invention relates to the technical field of optical module structures, in particular to a pluggable optical module easy to pull and reset and an assembling method thereof.

Background

Currently, optical modules are often used as carriers for transmission between switches and devices, and have the advantages of higher efficiency and higher security compared with transceivers.

An input end for an optical fiber cable to be connected is arranged on an existing optical module, and when an operator connects an optical fiber and a switch, the optical module is integrally inserted into an input port on the switch, and then the optical fiber cable is connected into the input end. An input end of an existing optical module is often hinged with a pull ring, the pull ring is abutted to the top of a shell in an initial state, so that the input end of the optical module is opened to be accessed by an optical fiber cable, when an operator needs to pull the optical module out of a switch, the operator firstly pulls out the optical fiber cable from the input end of the optical module, then the operator overturns the pull ring and pulls the pull ring to drive the optical module to move, and the optical module is further pulled out of an input port of the switch.

The above prior art solutions have the following drawbacks: after an operator reinserts the input port of the unplugged switch into the input port of the same or another switch, the operator needs to connect the optical fiber cable into the input end of the optical module again, the position of the pull ring easily blocks the connection of the optical fiber cable, and the operator usually manually turns the pull ring reversely to abut against the top of the shell and then connects the optical fiber cable, so that the operation is inconvenient.

Disclosure of Invention

In view of the disadvantages of the prior art, an object of the present invention is to provide an easily-retractable optical module, in which a pull ring thereof can be automatically restored to an initial position after being flipped without manual restoration by an operator, and which has an advantage of improving convenience of operation.

The above object of the present invention is achieved by the following technical solutions:

a pluggable optical module easy to pull and reset comprises a shell and a pull structure, wherein the pull structure comprises a pull ring hinged on the shell, the pull structure further comprises a sliding part connected to the shell in a sliding manner, an elastic part used for driving the sliding part to move reversely, a first guide groove formed in the shell and a second guide groove formed in the shell, a protruding part used for being abutted to the sliding part and pushing the sliding part to slide along with the turnover of the pull ring is arranged on the pull ring, the sliding part comprises an inclined guide block and a straight guide block, the inclined guide block is integrally connected with the straight guide block, the straight guide block is connected with the first guide groove in a sliding manner, the first guide groove is communicated with the second guide groove, the inclined guide block is connected with the second guide groove in a sliding manner, a first inclined surface is formed on the side wall of the second guide groove, and a second inclined surface is formed on the side part of the inclined guide block, the second inclined plane and the first inclined plane are matched, the width of the straight guide block is smaller than that of the inclined guide block, and the width of one end, far away from the straight guide block, of the inclined guide block is larger than that of one end, close to the straight guide block, of the inclined guide block.

By adopting the technical scheme, when an operator needs to pull out an optical module inserted at an input port on the switch, the operator firstly takes an optical fiber cable from the input end of the optical module, then manually turns over the pull ring, the pull ring turns over to drive the protruding part to turn over, the protruding part is abutted against the sliding part and pushes the sliding part along with the turning of the protruding part, the elastic part deforms under the pressing action of the sliding part, the operator pulls the pull ring to pull out the optical module from the input port of the switch, then the operator releases the pull ring by releasing the hand to slide the sliding part to the initial position in a reverse direction under the elastic action of the elastic part, the protruding part and the pull ring turn over in a reverse direction under the pushing action of the sliding part, the pull ring turns to the initial position in a reverse direction, the operator does;

the sliding connection between the straight guide block and the first guide groove and the sliding connection between the inclined guide block and the second guide groove limit the track for the sliding of the sliding part, so that the straight guide block is prevented from sliding along an irregular track after being pushed by the protruding part, and the elastic part is prevented from difficultly driving the straight guide block to move to the initial position through the elasticity of the elastic part after the straight guide block slides along the irregular track;

the sliding smoothness of the straight guide block is improved by arranging the second inclined plane and the first guide groove at an obtuse angle, so that the straight guide block is abutted with the straight guide block prior to the obtuse angle formed by connecting the second inclined plane and the first guide groove when the straight guide block generates direction deviation in the sliding process, and the sliding smoothness of the straight guide block is ensured to be moved to the initial position along the sliding track of the straight guide block reversely and smoothly under the elastic action of the elastic piece, the sliding fluency of the sliding part is improved.

The present invention in a preferred example may be further configured to: the sliding part further comprises a stop block fixed with the inclined guide block and protruding out of the side face of the inclined guide block, a connecting groove is formed in the shell, the stop block is connected with the connecting groove in a sliding mode along the sliding direction of the straight guide block, the elastic part is arranged in the connecting groove, and two ends of the elastic part are connected with the stop block and the wall of the connecting groove respectively.

Through adopting above-mentioned technical scheme, the dog slides along with the slip of straight guide block and oblique guide block, and the dog slides and promotes the elastic component, makes the elastic component deformation, treats that the thrust to the slider disappears the back, and the elastic component restores to the original state and reverse promotion connecting block under self elasticity effect, and then drives straight guide block, oblique guide block and resets to initial position, and pull-down ring reverse upset to initial condition under the promotion of slider has realized the automatic re-setting of pull ring, convenient operation.

The present invention in a preferred example may be further configured to: the spout has been seted up in the casing, the slider still includes the ejector pad fixed with straight guide block, oblique guide block, the ejector pad is along straight guide block slip direction sliding connection with the spout, the spout pierces through the casing, set up the locked groove that the locking block card who is used for locking the optical module that pierces through the casing, supplies to establish in the switch input port on the spout lateral wall, ejector pad and locked groove are along straight guide block slip direction sliding connection, the third inclined plane that leads is carried out in shifting up of the locking block of establishing in the switch input port is seted up to the one end that the pull ring was kept away from to the ejector pad.

By adopting the technical scheme, the pushing block synchronously moves along with the sliding pushing of the straight guide block, the inclined guide block and the connecting block by the turnover of the pull ring, the third inclined surface is abutted to the locking block arranged in the input port of the switch, the locking block moves upwards under the pushing of the pushing block, so that the locking between the optical module and the switch is released, an operator can synchronously unlock the connection between the optical module and the switch while turning over the pull ring to pull the optical module, the operator does not need to separately unlock, and the operation is convenient; the straight guide block and the inclined guide block calibrate the sliding track of the push block while calibrating the sliding track of the straight guide block and the inclined guide block, and sliding fluency of the push block is improved.

The present invention in a preferred example may be further configured to: the pull structure is still including fixing the stopper on the spout cell wall, the ejector pad includes main part and extension, the extension is fixed in the one end both sides department that main part kept away from the pull ring, main part and spout sliding connection, extension and locked groove sliding connection, the stopper is aimed at the interval setting between two extensions, the stopper is used for keeping away from the one end butt of pull ring with main part.

Through adopting above-mentioned technical scheme, the stopper has restricted the slip of ejector pad, area of contact between stopper and the main part is greater than the area of contact between extension tip and the locked groove cell wall that is equipped with the third inclined plane, area of contact is less and is difficult to the slip that limits the ejector pad when avoiding setting up on third inclined plane to lead to ejector pad tip and locked groove cell wall butt, avoid behind the ejector pad shifting out the draw-in groove between its and the draw-in groove cell wall top frictional force great and in case reset under the spring action of elastic component, avoid the damage of optical module, improve slider reverse slip's smoothness nature.

The present invention in a preferred example may be further configured to: the push block is fixed on the top surfaces of the straight guide block and the inclined guide block, and the sliding groove is communicated with the first guide groove and the second guide groove.

By adopting the technical scheme, the arrangement position of the push block is higher than the straight guide block and the inclined guide block, the overall length of the sliding part is reduced, the problem that the overall length of the optical module is long due to the fact that the optical module is installed to meet the requirement of the drawing structure is avoided, and the raw material cost for manufacturing the optical module is saved.

The present invention in a preferred example may be further configured to: the limiting block side part is provided with a guide arc surface which is used for being abutted to one surface of the extending part facing to each other.

Through adopting above-mentioned technical scheme, the cambered surface that leads takes place the skew when the slip of ejector pad and leads to the slip direction of ejector pad, avoids ejector pad when the ejector pad slip direction takes place the skew because the frictional force between with the spout lateral wall is great and the card is dead, has further improved the gliding smoothness nature of slider.

The present invention in a preferred example may be further configured to: the casing is cavity, the pull ring articulates in casing one end department, the casing includes epitheca and inferior valve, the inferior valve can be dismantled and connect in the epitheca bottom, be provided with the mounting of inferior valve with the epitheca is fixed on the inferior valve, first guide way, second guide way, spread groove, spout and locked groove are all seted up on the inferior valve, ejector pad and epitheca sliding fit.

By adopting the technical scheme, an operator overturns and pulls the pull ring so as to pull out the optical module from the input port of the switch and release the pull ring by releasing the hand, the lower sliding part is driven by the elasticity of the elastic part to move so as to push the convex part and drive the pull ring to reversely overturn to the initial position, the operator does not need to manually reset the pull ring, and the convenience of operation is improved;

can dismantle the epitheca of connection and the installation that the inferior valve made things convenient for the pull structure, the operator can locate the pull structure back between epitheca and the inferior valve, through the fixed vertical removal of restriction pull structure of epitheca and inferior valve, realizes the installation to the pull structure, convenient assembling.

The present invention in a preferred example may be further configured to: the improved structure of the pull ring is characterized in that a first lower convex block is arranged at the bottom of one end of the upper shell, a second lower convex block is arranged at the bottom of the upper shell, the first lower convex block and the second lower convex block are arranged at intervals along the length direction of the upper shell, a clamping groove for the second lower convex block to be embedded into is formed in the top of the lower shell, and the pull ring is hinged to a space surrounded by the first lower convex block, the second lower convex block, the bottom surface of the upper shell and the top surface of the.

Through adopting the above technical scheme, through locating first lug under the trombone, lug under the second, the space department that epitheca bottom surface and inferior valve top surface enclose realizes the articulated of pull ring, the operator inserts first lug under the pull ring earlier when installing the pull ring, in the space that lug and epitheca bottom surface enclose under the second, remove the inferior valve again, make lug embedding draw-in groove under the second, make inferior valve top surface butt on the epitheca bottom surface, and fix epitheca and inferior valve through the mounting, can realize the articulated installation to the pull ring, high convenience for assembly, lug and draw-in groove have restricted relative horizontal migration and rotation between epitheca and the inferior valve under the second simultaneously, the fixed connection operation to epitheca and inferior valve has been made things convenient for.

The present invention in a preferred example may be further configured to: the circuit board piece is clamped and installed in the upper shell by the lower shell.

Through adopting above-mentioned technical scheme, when the connection of dismantling of epitheca and inferior valve has made things convenient for the assembly of pull structure, also made things convenient for the assembly to circuit board spare, the operator can realize the assembly to pull structure and circuit board spare in step, convenient operation.

Another object of the present invention is to provide a method for assembling a drawer structure, which has the advantage of easy assembly.

The above object of the present invention is achieved by the following technical solutions:

an assembly method of a pluggable optical module easy to pull and reset comprises the following steps:

s1: moving the sliding part to enable the stop block to be embedded into the connecting groove, enable the push block to be embedded into the sliding groove and enter the locking groove, and enable the straight guide block and the inclined guide block to be respectively embedded into the first guide groove and the second guide groove;

s2: moving the elastic piece to enable the elastic piece to enter the connecting groove, and enabling two ends of the elastic piece to be respectively abutted against the groove wall of the connecting groove and the stop block;

s3: moving the pull ring to enable the pull ring to be embedded into a space defined by the first lower convex block, the second lower convex block and the bottom surface of the upper shell, and enabling the pull ring to be kept in abutting joint with the bottom surface of the upper shell;

s4, moving the circuit board, and arranging the circuit board in the upper shell;

s5, moving the lower shell to enable the second lower convex block to be embedded into the clamping groove and enable the top surface of the lower shell to be abutted against the bottom surface of the upper shell and the pull ring;

and S6, fixing the upper shell and the lower shell through a fixing piece.

Through adopting above-mentioned technical scheme, the operator can locate the pull structure between epitheca and the inferior valve, locate circuit board spare back in the epitheca, through the fixed vertical removal of restriction pull structure and circuit board spare of epitheca and inferior valve, realize the assembly to optical module, convenient assembling.

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

1. after an operator turns over and pulls the pull ring to pull the optical module out of the input port of the switch, the operator releases the pull ring, the sliding piece slides reversely to the initial position under the elastic action of the elastic piece, the convex part and the pull ring turn reversely under the pushing of the sliding piece, the pull ring turns reversely to the initial position, the operator does not need to reset the pull ring manually, and the convenience of operation is improved;

2. the end, far away from the straight guide block, of the inclined guide block is wider than the end, close to the straight guide block, of the inclined guide block, the arrangement of the first inclined surface and the second inclined surface enables the joint of the second inclined surface and the first guide groove to form an obtuse angle, when the straight guide block deviates in the sliding process, the straight guide block is abutted with the obtuse angle formed by the connection of the second inclined surface and the first guide groove in priority, and the sliding smoothness of the straight guide block is improved;

3. when the bulge pushes the sliding piece to slide to the first inclined plane and abut against the second inclined plane, the deviation of the straight guide block in the sliding process is adjusted again, the sliding track of the straight guide block can be reversely and smoothly moved to the initial position under the elastic action of the elastic piece, and the sliding fluency of the sliding piece is further improved.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a bottom view of the first embodiment;

FIG. 3 is an exploded view of the housing and the mounting member according to one embodiment;

FIG. 4 is an exploded view of the bottom view of the housing and the mounting member in accordance with one embodiment;

FIG. 5 is an exploded view of the bottom view of the top housing and circuit board components in accordance with one embodiment;

FIG. 6 is an exploded bottom view of the housing and the drawer structure according to one embodiment;

FIG. 7 is a schematic view showing the rear end structure of a lower case in accordance with an embodiment;

FIG. 8 is a schematic structural diagram of a slider according to an embodiment.

In the figure, 1, a circuit board member; 11. positioning a groove; 2. a housing; 21. an upper shell; 211. a first lower bump; 212. a second lower bump; 213. a first fixing groove; 214. a first limit groove; 215. positioning the projection; 22. a lower case; 221. a screw; 222. a card slot; 223. a second fixing groove; 224. a second limit groove; 225. locking the groove; 23. a reed sleeve; 231. a first protrusion; 232. a second protrusion; 3. a pull structure; 31. a slider; 311. a straight guide block; 312. an inclined guide block; 3121. a second inclined plane; 313. a push block; 3131. a main block portion; 3132. an extension portion; 3133. a third inclined plane; 314. a stopper; 315. positioning blocks; 32. a first guide groove; 33. a second guide groove; 331. a first inclined plane; 34. a chute; 35. connecting grooves; 36. a pull ring; 361. a projection; 37. a spring; 38. a limiting block; 381. and (5) guiding the cambered surface.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1 and 2, the pluggable optical module easy to pull and reset disclosed by the present invention includes a circuit board 1, a housing 2 and a pull structure 3, the housing 2 is hollow, the circuit board 1 is located in the housing 2, the tail end of the housing 2 is an input end for plugging an optical fiber cable, the housing 2 includes an upper shell 21 and a lower shell 22, a fixing member for fixing the lower shell 22 and the upper shell 21 is arranged on the lower shell 22, and the lower shell 22 is located at the bottom of the upper shell 21.

Referring to fig. 3 and 4, the fixing member includes a screw 221 and a reed sleeve 23, a first lower protruding block 211 is fixed at the tail end of the bottom of the upper shell 21, a second lower protruding block 212 is fixed at the bottom of the upper shell 21, a gap exists between the second lower protruding block 212 and the first lower protruding block 211 along the length direction of the upper shell 21, two second lower protruding blocks 212 are horizontally arranged along the width direction of the upper shell 21 at intervals, two screws 221 are arranged, the two screws 221 penetrate through the lower shell 22 and are respectively in threaded connection with the two second lower protruding blocks 212, a clamping groove 222 aligned with the second lower protruding block 212 is formed in the lower shell 22, the second lower protruding block 212 is adapted to the clamping groove 222, and the bottom of the second lower protruding block 212 is embedded;

referring to fig. 3 and 4, the reed sleeve 23 is wound around the outer walls of the upper shell 21 and the lower shell 22, the outer wall of the upper shell 21 is provided with a first fixing groove 213 in a winding manner, the outer wall of the lower shell 22 is provided with a second fixing groove 223 in a winding manner, the reed sleeve 23 is embedded into the first fixing groove 213 and the second fixing groove 223 and is tightly attached to the groove walls of the first fixing groove 213 and the second fixing groove 223, the two inner side walls of the reed sleeve 23 are fixed with first protrusions 231, the groove wall of the first fixing groove 213 is provided with a first limiting groove 214 for embedding the first protrusions 231 to realize clamping, the inner wall of the bottom of the reed sleeve 23 is fixed with a plurality of second protrusions 232, the groove wall of the second fixing groove 223 is provided with a second limiting groove 224 for embedding the second protrusions 232 to realize clamping, the insertion of the reed sleeve 23 into the first fixing groove 213 and the second fixing groove 223 improves the movement limitation of the reed sleeve 23, and the first protrusions 231 and the second, The clamping of the second limit groove 224 further limits the movement of the reed sleeve 23, and improves the firmness of the optical module.

Referring to fig. 5, positioning grooves 11 are formed in two sides of the circuit board 1, positioning protrusions 215 are fixed on the inner side wall of the upper case 21, the positioning protrusions 215 are clamped with the positioning grooves 11 to limit the circuit board 1 to move along the length direction of the upper case 21, and the lower case 22 tightly presses and installs the circuit board 1 in the upper case 21.

Referring to fig. 6 and 7, the drawing structure 3 includes a sliding member 31, an elastic member, a first guide groove 32, a second guide groove 33, a connecting groove 35 and a sliding groove 34, the sliding member 31 includes a push block 313, a straight guide block 311, an inclined guide block 312 and a stopper 314, the sliding groove 34 is disposed on the top of the lower casing 22 and penetrates one end of the lower casing 22, the connecting groove 35 is disposed on two side walls of the sliding groove 34, the second guide groove 33 is disposed on the bottom wall of the sliding groove 34 and penetrates the bottom of the lower casing 22, the second guide groove 33 penetrates the tail end of the lower casing 22, the first guide groove 32 is disposed on the inner wall of the end of the second guide groove 33 far from the tail end of the lower casing 22 and penetrates the bottom of the lower casing 22, the push block 313 and the sliding groove 34 are slidably connected along the length direction of the lower casing 22, the push block 313 and the bottom of the upper casing 21 are slidably engaged along the length direction of the lower casing 22, the stopper 314 is, the first guide groove 32, the second guide groove 33, the connecting groove 35 and the slide groove 34 communicate with each other;

referring to fig. 7 and 8, the stopper 314 and the push block 313 have the same thickness, the inclined guide block 312 is fixed at the bottoms of the stopper 314 and the push block 313, the straight guide block 311 is fixed at the bottom of the push block 313, one end of the straight guide block 311 is fixed with one end of the inclined guide block 312, the straight guide block 311 and the inclined guide block 312 have the same thickness, the straight guide block 311 is slidably connected with the first guide groove 32 along the length direction of the lower shell 22, and the inclined guide block 312 is slidably connected with the second guide groove 33 along the sliding direction of the straight guide block 311;

referring to fig. 7 and 8, the width of the inclined guide block 312 is greater than the width of the straight guide block 311, a first inclined surface 331 is disposed at a position of two side walls of the second guide groove 33 away from the tail end of the lower shell 22, a second inclined surface 3121 adapted to the first inclined surface 331 is disposed at one end of two sides of the inclined guide block 312 close to the straight guide block 311, the width of one end of the inclined guide block 312 away from the straight guide block 311 is greater than the width of one end of the inclined guide block 312 close to the straight guide block 311, the width of the inclined guide block 312 close to the tail end of the lower shell 22 is equal to the width of the push block 313, and a joint of the first inclined surface.

Referring to fig. 6 and 7, a positioning block 315 is fixed to an end of the stopper 314 away from the rear end of the lower shell 22, the elastic element includes a spring 37, the spring 37 is disposed in the connecting groove 35, two ends of the spring 37 are respectively abutted against groove walls of the stopper 314 and the connecting groove 35, and the spring 37 is sleeved on the positioning block 315.

Referring to fig. 6, the drawing structure 3 further includes a pulling ring 36, two sides of the pulling ring 36 are arched, one side of the pulling ring 36 penetrates through the upper shell 21 and the lower shell 22 along a direction perpendicular to the length direction of the lower shell 22, the other side of the pulling ring is abutted to the top surface of the upper shell 21, one side of the pulling ring 36 penetrating through the upper shell 21 and the lower shell 22 is hinged to a space defined by the first lower protruding block 211, the second lower protruding block 212, the bottom surface of the upper shell 21 and the top surface of the lower shell 22, and thus the hinging of the pulling ring 36 is;

referring to fig. 6, a protrusion 361 is provided on one side of the pull ring 36 hinged to the space surrounded by the first lower protrusion 211, the second lower protrusion 212, the bottom surface of the upper case 21 and the top surface of the lower case 22, the protrusion 361 is an arc protrusion, and the protrusion 361 penetrates through the second guide groove 33 and abuts against one end of the inclined guide 312 far from the straight guide 311.

Referring to fig. 6 and 7, a lock groove 225 into which a locking block for locking the optical module is inserted is formed in the middle of the bottom surface of the lower shell 22, the lock groove 225 is formed in a groove wall of the sliding groove 34 far from the tail end of the lower shell 22, and the height of the side wall of the lock groove 225 is smaller than that of the side wall of the sliding groove 34;

referring to fig. 6 and 8, the push block 313 includes a main block 3131 and an extension 3132, the main block 3131 is slidably connected to the sliding groove 34 (see fig. 7), the locking groove 225, and the main block 3131 is fixed to the stop 314, the straight guide block 311, and the inclined guide block 312, the extension 3132 is fixed to two sides of one end of the main block 3131 away from the pull ring 36, the two extension 3132 are horizontally spaced, the extension 3132 penetrates through the sliding groove 34 (see fig. 7) and enters the locking groove 225, and the extension 3132 is provided with a third inclined surface 3133 for guiding the upward movement of the locking block provided in the input port of the switch;

referring to fig. 2 and 6, the drawing structure 3 further includes a limiting block 38, the limiting block 38 is triangular and fixed on the top wall of the locking groove 225 and the bottom surface of the lower shell 22, the limiting block 38 is aligned to the interval between the two extending portions 3132, one side of the limiting block 38 facing the push block 313 is used for abutting against one end of the main block 3131 far away from the pull ring 36, and a side of the limiting block 38 is provided with a guiding arc 381 used for abutting against one side of the extending portion 3132 facing each other.

The implementation principle of the embodiment is as follows: when an operator needs to pull out an optical module inserted at an input port of a switch, the operator firstly takes an optical fiber cable from the tail end of the optical module, then manually turns over the pull ring 36, the pull ring 36 turns over to drive the protrusion 361 to turn over, the protrusion 361 abuts against the inclined guide block 312 and pushes the inclined guide block 312 along with the turning over, the sliding piece 31 integrally slides, the third inclined surface 3133 abuts against a locking piece inserted in the locking groove 225 at the input port of the switch, and the locking piece moves upwards under the pushing of the push block 313, so that the unlocking of the optical module is realized;

with the turning of the pull ring 36, the slider 31 slides, the spring 37 compresses, when the pull ring 36 turns over to the first inclined surface 331 and the second inclined surface 3121, the limit block 38 abuts against the main block portion 3131, the calibration of the position of the slider 31 is realized through the abutment with the first inclined surface 331 and the limit block 38, the operator horizontally pulls out the optical module from the input port of the switch, then the operator releases the pull ring 36, the slider 31 slides reversely to the initial position under the elastic force of the spring 37, the pull ring 36 and the protruding portion 361 are driven to turn reversely to the initial position, and the automatic reset of the pull ring 36 is realized.

Example two:

an assembly method of a pluggable optical module easy to pull and reset comprises the following specific steps:

s1: moving the slider 31 so that the stopper 314 is fitted into the coupling groove 35, the main block 3131 is fitted into the slide groove 34, and the extending portion 3132 is inserted into the lock groove 225, and the straight guide block 311 and the inclined guide block 312 are fitted into the first guide groove 32 and the second guide groove 33, respectively;

s2: moving the spring 37, so that the spring 37 is sleeved on the positioning block 315, the spring 37 enters the connecting groove 35, and two ends of the spring 37 are respectively abutted against the groove wall of the connecting groove 35 and the stop 314;

s3: moving the pull ring 36 to make one side of the pull ring 36 embedded into the space enclosed by the first lower protrusion 211, the second lower protrusion 212 and the bottom surface of the upper shell 21, and making the other side of the pull ring 36 keep the contact with the bottom surface of the upper shell 21;

s4 moving the circuit board 1, so that the circuit board 1 is inserted into the positioning groove 11 as the upper case 21, thereby restricting the movement of the circuit board 1;

s5, moving the lower shell 22 to make the second lower protrusion 212 embedded into the slot 222, and making the top surface of the lower shell 22 abut against the bottom surface of the upper shell 21 and one side of the pull ring 36 located in the space defined by the first lower protrusion 211, the second lower protrusion 212 and the bottom surface of the upper shell 21;

s6, tightening the screw 221, and substantially fixing the upper shell 21 and the lower shell 22 by the threaded connection of the screw 221 and the second lower protrusion 212;

s7, the spring housing 23 is sleeved on the inner walls of the first fixing groove 213 and the second fixing groove 223, and the first protrusion 231 is inserted into the first limiting groove 214 and the second protrusion 232 is inserted into the second limiting groove 224, thereby completing the fixing connection of the housing 2 and the assembly of the optical module.

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 (10)

1. The utility model provides a but easy pull optical module that pull resets, includes casing (2) and pull structure (3), pull structure (3) including articulate pull ring (36) on casing (2), its characterized in that: the drawing structure (2) further comprises a sliding part (31) connected to the shell (2) in a sliding mode, an elastic part used for driving the sliding part (31) to move reversely, a first guide groove (32) formed in the shell (2) and a second guide groove (33) formed in the shell (2), a protruding part (361) used for being abutted to the sliding part (31) and pushing the sliding part (31) to slide along with the turning of the pull ring (36) is arranged on the pull ring (36), the sliding part (31) comprises an inclined guide block (312) and a straight guide block (311), the inclined guide block (312) is integrally connected with the straight guide block (311), the straight guide block (311) is connected with the first guide groove (32) in a sliding mode, the first guide groove (32) is communicated with the second guide groove (33), the inclined guide block (312) is connected with the second guide groove (33) in a sliding mode, and a first inclined surface (331) is formed in the side wall of the second guide groove (32), the side of the inclined guide block (312) is provided with a second inclined surface (3121), the second inclined surface (3121) is matched with the first inclined surface (331), the width of the straight guide block (311) is smaller than that of the inclined guide block (312), and the width of one end, away from the straight guide block (311), of the inclined guide block (312) is larger than that of one end, close to the straight guide block (311), of the inclined guide block (312).

2. The pluggable optical module with easy pull reset function of claim 1, wherein: slider (31) still include with oblique guide block (312) fixed and protruding dog (314) of oblique guide block (312) side, seted up in casing (2) connecting groove (35), dog (314) and connecting groove (35) are along directly leading block (311) sliding direction sliding connection, the elastic component sets up in connecting groove (35), the elastic component both ends are connected with dog (314) and connecting groove (35) cell wall respectively.

3. The pluggable optical module with easy pull reset function of claim 2, wherein: offer spout (34) in casing (2), slider (31) still include with straight guide block (311), oblique guide block (312) fixed ejector pad (313), ejector pad (313) and spout (34) are along straight guide block (311) sliding direction sliding connection, spout (34) pierce through casing (2), offer on spout (34) lateral wall and pierce through casing (2), supply the locking groove (225) that the locking block that is used for locking the optical module in the switch input port is gone into, ejector pad (313) and locking groove (225) are along straight guide block (311) sliding direction sliding connection, third inclined plane (3133) that lead to moving up of the locking block that establishes in the switch are offered to the one end that pull ring (36) was kept away from in ejector pad (313).

4. The pluggable optical module with easy pull reset function of claim 3, wherein: the drawing structure (3) further comprises a limit block (38) fixed on the wall of the sliding groove (34), the push block (313) comprises a main block portion (3131) and an extending portion (3132), the extending portion (3132) is fixed at two sides of one end, away from the pull ring (36), of the main block portion (3131), the main block portion (3131) is in sliding connection with the sliding groove (34), the extending block is in sliding connection with the locking groove (225), the limit block (38) is aligned with the interval between the two extending portions (3132), and the limit block (38) is used for abutting against one end, away from the pull ring (36), of the main block portion (3131).

5. The pluggable optical module with easy pull reset function of claim 3, wherein: the push block (313) is fixed on the top surfaces of the straight guide block (311) and the inclined guide block (312), and the sliding groove (34) is communicated with the first guide groove (32) and the second guide groove (33).

6. The pluggable optical module with easy pull reset function of claim 4, wherein: the side part of the limiting block (38) is provided with a guide arc surface (381) which is used for being abutted to one surface of the extending part (3132) facing to each other.

7. The pluggable optical module with easy pull reset function according to any of claims 1-6, wherein: casing (2) are cavity, pull ring (36) articulate in casing (2) one end department, casing (2) include epitheca (21) and inferior valve (22), inferior valve (22) can be dismantled and connect in epitheca (21) bottom, be provided with on inferior valve (22) with inferior valve (22) and epitheca (21) fixed mounting, first guide way (32), second guide way (33), spread groove (35), spout (34) and locked groove (225) are all seted up on inferior valve (22), ejector pad (313) and epitheca (21) sliding fit.

8. The pluggable optical module with easy pull reset function of claim 7, wherein: the improved structure is characterized in that a first lower convex block (211) is arranged at the bottom of one end of the upper shell (21), a second lower convex block (212) is arranged at the bottom of the upper shell (21), the first lower convex block (211) and the second lower convex block (212) are arranged at intervals along the length direction of the upper shell (21), a clamping groove (222) for embedding the second lower convex block (212) is formed in the top of the lower shell (22), and the pull ring (36) is hinged to a space surrounded by the first lower convex block (211), the second lower convex block (212), the bottom surface of the upper shell (21) and the top surface of the lower shell (22).

9. The pluggable optical module with easy pull reset function of claim 8, wherein: the circuit board is characterized by further comprising a circuit board piece (1), wherein the circuit board piece (1) is clamped and installed in the upper shell (21) through the lower shell (22).

10. A method for assembling a pluggable optical module with easy pull-out reset according to any of claims 1-9, comprising the steps of:

s1: moving the sliding piece (31), enabling the stop block (314) to be embedded into the connecting groove (35), enabling the push block (313) to be embedded into the sliding groove (34) and enter the locking groove (225), and simultaneously enabling the straight guide block (311) and the inclined guide block (312) to be respectively embedded into the first guide groove (32) and the second guide groove (33);

s2: moving the elastic piece to enable the elastic piece to enter the connecting groove (35), and enabling two ends of the elastic piece to be respectively abutted against the groove wall of the connecting groove (35) and the stop block (314);

s3: moving the pull ring (36) to enable the pull ring (36) to be embedded into a space defined by the first lower convex block (211), the second lower convex block (212) and the bottom surface of the upper shell (21), and enabling the pull ring (36) to be kept in contact with the bottom surface of the upper shell (21);

s4, moving the circuit board (1) to enable the circuit board (1) to be installed in the upper shell (21);

s5, moving the lower shell (22), enabling the second lower convex block (212) to be embedded into the clamping groove (222), and enabling the top surface of the lower shell (22) to be abutted against the bottom surface of the upper shell (21) and the pull ring (36);

and S6, fixing the upper shell (21) and the lower shell (22) through fixing pieces.

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