CN116107045A

CN116107045A - Optical module

Info

Publication number: CN116107045A
Application number: CN202310387686.3A
Authority: CN
Inventors: 郭凡
Original assignee: Trixon Communication Technology Corp ltd
Current assignee: Trixon Communication Technology Corp ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-05-12
Anticipated expiration: 2043-04-12
Also published as: CN116107045B

Abstract

The invention discloses an optical module which is applied to electronic equipment, wherein the electronic equipment is provided with a lug, the optical module comprises a shell and an unlocking piece, the outer side of the bottom of the shell is provided with a sliding groove, and the wall of the sliding groove is provided with a limiting block which is used for being clamped and matched with the lug; the unlocking piece comprises a sliding block and two sliding arms, a limiting space is formed between the sliding block and the limiting block, the protruding block is used for extending into the limiting space and propping against one side of the limiting block, which faces the first end, of the shell, two limiting covers are respectively arranged at the bottom of the shell, corresponding to the two sliding arms, and a gap for exposing the sliding block is formed between the two limiting covers; the sliding block is used for sliding towards the direction close to the limiting block and jacking up the lug located in the limiting space, so that the lug is separated from the limiting space and separated from the limiting block. The optical module can unlock the optical module inserted into the electronic equipment only by the unlocking piece and the sliding groove arranged on the outer side of the shell, has few parts, is simple to assemble and is convenient to manufacture.

Description

Optical module

Technical Field

The invention relates to the technical field of optical communication, in particular to an optical module.

Background

In the field of optical communication technology, the development of optical modules is rapid and the structure of the optical modules has become substantially stable, and industry has specially formulated an MSA protocol (SFP) Transceiver MultiSource Agreement for the optical modules. The protocol defines the standard plug size of the switch, and further correspondingly constrains the size of the structural exterior to be uniform. The patterns of the optical module junction components tend to be stable, and the industry sets basic standards, so that all parties need to design under the framework of the optical module junction components.

However, the unlocking mechanism of the existing optical module has more parts, so that the optical module is difficult to assemble, and the production efficiency of the optical module is reduced. Moreover, as the unlocking mechanism of the optical module has more parts, the size requirement specified in the MSA protocol is easily exceeded, and the design difficulty of the optical module shell is greatly increased.

Disclosure of Invention

The invention mainly aims to provide an optical module, which aims to solve the problems that the assembly of the optical module is difficult and the production efficiency of the optical module is reduced due to more parts of an unlocking mechanism of the existing optical module. Moreover, as the unlocking mechanism of the optical module has more parts, the size requirement specified in the MSA protocol is easily exceeded, and the design difficulty of the optical module shell is greatly increased.

In order to achieve the above object, the present invention provides an optical module applied to an electronic device, the electronic device having a bump, the optical module comprising:

the two ends of the shell are respectively provided with a first end and a second end, a chute is arranged at the bottom of the shell and close to the outer side of the first end, and a limiting block used for being in clamping fit with the lug is arranged on the chute wall of the chute far away from the first end;

the unlocking piece comprises a sliding block and two sliding arms which are respectively arranged at two sides of the sliding block, a limiting space is formed between the sliding block and the limiting block, the protruding block is used for extending into the limiting space and is abutted to one side, facing the first end, of the limiting block, two limiting covers are respectively arranged at the bottom of the shell, corresponding to the two sliding arms, two sliding grooves are formed between the two limiting covers, the two limiting covers are respectively covered on the peripheries of the two sliding arms, the two sliding arms are respectively matched with the two limiting covers in a one-to-one sliding contact manner, and a gap for exposing the sliding block is formed between the two limiting covers;

the sliding block is used for sliding towards the direction close to the limiting block and jacking up the protruding block located in the limiting space, so that the protruding block is separated from the limiting space and separated from the limiting block.

Optionally, the optical module further includes an elastic member and a handle, where the elastic member is disposed at intervals with the limiting block, one end of the elastic member is connected with one of the sliding arms, and the other end of the elastic member is connected with a side, away from the first end, of the corresponding limiting cover; the handle is abutted to one side, away from the limiting block, of one of the sliding arms, and the handle is provided with a protrusion; the handle is rotated to drive the protrusion to abut against the sliding arm and push the sliding arm towards the direction close to the limiting block, and the sliding arm drives the sliding block to slide towards the direction close to the limiting block.

Optionally, the handle includes connecting section, butt section and the operation section that connects gradually, the connecting section rotationally install in the casing, the butt section forms the arch, connecting section and butt section all are used for with one of them the arm of sliding deviates from the one side butt of stopper;

and rotating the operation section to drive the abutting section and the connecting section to rotate, so that the abutting section abuts against the sliding arm and pushes the sliding arm towards the direction close to the limiting block.

Optionally, the casing interpolation is equipped with the PCB board, the optical module still includes spacing shell fragment, spacing shell fragment install in the casing and have two elasticity presss from both sides the foot, two elasticity presss from both sides the foot branch is located the both sides of PCB board and cooperation will the PCB board presss from both sides tightly.

Optionally, the limiting elastic sheet further includes a substrate, an elastic pressing table and a grounding protrusion, the substrate is abutted to the housing, the two elastic clamping legs are respectively arranged on two opposite sides of the substrate, the grounding protrusion and the elastic pressing table are respectively arranged at two ends of the substrate, the housing is provided with a first avoidance hole corresponding to the grounding protrusion, and the grounding protrusion is partially exposed to the housing through the first avoidance hole and is used for grounding; the elastic pressing table is abutted to the top of the PCB.

Optionally, two the elasticity presss from both sides the foot all has the arch structure, correspond two on the casing the arch structure has seted up the second respectively and has dodged the hole, two the arch structure respectively through two the second dodges the hole local expose in the casing and all be used for the ground connection.

Optionally, be provided with spacing subassembly in the casing, form the hook groove in the spacing subassembly, the PCB board stretches into in the hook groove, just spacing subassembly butt in the top and the bottom of PCB board.

Optionally, the shell comprises an upper shell and a base, the limiting assembly comprises a hook block and a limiting column, the hook block and the limiting column are respectively arranged on the upper shell and the base, the limiting column forms the hook groove, and the hook block is used for extending into the hook groove and being in hooking fit with the limiting column; when the hook block is in hook joint with the limit post, the hook block is abutted to the bottom of the PCB, and the limit post is abutted to the top of the PCB; the upper shell is also provided with a lock catch which is used for being in locking fit with the base.

Optionally, the optical module further includes a wiring platform and a spacing platform, the wiring platform the spacing platform and the PCB board is located in the casing, spacing platform install in the wiring platform, the PCB board install in spacing platform, spacing platform is located the top of PCB board and be used for with the casing butt, the wiring platform with spacing platform forms the wiring space that has the plug wire mouth, the wiring space is used for supplying the paired line to insert, so that the paired line with the wiring platform is connected.

Optionally, the paired line is including pressing the shell fragment and being used for follow the plug wire mouth inserts the quartzy head in wiring space, press the shell fragment rotationally install in quartzy head, press the shell fragment to have the slope, the slope is followed the direction of insertion downward sloping of quartzy head, the casing corresponds press the shell fragment seted up the second and dodge the groove, just the outer wall of casing is equipped with the stopping piece, the stopping piece install in on the casing the one end that the groove place was dodged to the second and with the groove homonymy setting is dodged to the second, the stopping piece extends to the second dodges the inslot, the stopping piece be used for with slope sliding contact cooperation, just when quartzy head inserts in the wiring space, the stopping piece is located press the shell fragment orientation one side of plug wire mouth and be used for with press the shell fragment orientation one side butt of plug wire mouth.

When the optical module is inserted into the electronic equipment, the convex block is firstly abutted against the limiting block, and the convex block is contracted to avoid the limiting block. When the lug passes over the limiting block, the lug can extend out and be inserted into the limiting space and is used for being abutted with one backward side of the limiting block, so that the optical module is inserted into the electronic equipment and locked. When the optical module is required to be taken out, the unlocking piece is pushed towards the direction close to the limiting block, the unlocking piece slides towards the direction close to the limiting block and jacks up the convex block, the convex block is separated from the limiting space and separated from the limiting block, unlocking of the optical module is achieved, and at the moment, the optical module can be taken out from the electronic equipment by pulling out the optical module. The optical module can unlock the optical module inserted into the electronic equipment only by the unlocking piece and the sliding groove arranged on the outer side of the shell, has few parts, is simple to assemble, is convenient to manufacture, improves the production efficiency and is suitable for batch production. In addition, the optical module has fewer parts, occupies less space of the optical module shell, and further reduces the design difficulty of the optical module shell structure. In addition, the sliding arm is matched with the limiting covers in a sliding contact manner, the unlocking piece is slidably installed in the sliding groove in a mode that the sliding block is exposed between the two limiting covers, compared with the mode that the unlocking piece is arranged in the shell, the shell is provided with a layer of covering mode corresponding to the sliding block part, the structure of the optical module is more compact in the mode that the sliding block is exposed, the overall height of the optical module is further reduced, the requirements of the MSA protocol on the height are met, and the use reliability of the optical module is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an assembly schematic diagram of an optical module and twisted pair at a viewing angle according to an embodiment of the present invention;

fig. 2 is an assembly schematic diagram of an optical module and twisted pair at another view angle according to an embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an exploded view of an optical module and twisted pair at a viewing angle according to an embodiment of the present invention;

FIG. 5 is an exploded view of an optical module and twisted pair at another viewing angle according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an unlocking member in an optical module according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a handle in an optical module according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a limiting spring plate in an optical module according to an embodiment of the present invention;

FIG. 9 is a schematic partial cross-sectional view of an optical module according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a twisted pair of the present invention;

fig. 11 is a schematic partial structure of a housing in an optical module according to an embodiment of the invention.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The invention provides an optical module 100, which is applied to electronic equipment, wherein the electronic equipment is provided with a bump, and the electronic equipment can be a switch.

In an embodiment, the optical module 100 includes a housing 10 and an unlocking member 20, two ends of the housing 10 are a first end and a second end respectively, a chute 11 is formed at the outer side of the bottom of the housing 10 near the first end, and a limiting block 111 for being engaged with the bump is formed at the wall of the chute 11 far from the first end; the unlocking piece 20 comprises a sliding block 21 and two sliding arms 22 which are respectively arranged at two sides of the sliding block 21, a limiting space 211 is formed between the sliding block 21 and the limiting block 111, a convex block is used for extending into the limiting space 211 and is abutted with one side of the limiting block 111, which faces towards the first end, two limiting covers 12 are respectively arranged at the bottom of the shell 10 corresponding to the two sliding arms 22, a sliding chute 11 is formed between the two limiting covers 12, the two limiting covers 12 are respectively covered on the peripheries of the two sliding arms 22, the two sliding arms 22 are respectively in one-to-one sliding contact fit with the two limiting covers 12, and a gap 121 for exposing the sliding block 21 is formed between the two limiting covers 12; the sliding block 21 is used for sliding towards the direction approaching to the limiting block 111 and jacking up the protruding block located in the limiting space 211, so that the protruding block is separated from the limiting space 211 and separated from the limiting block 111.

As shown in fig. 1 to 5, the front end of the housing 10 is a second end, the rear end of the housing 10 is a first end, the bottom of the rear end of the housing 10 is provided with a chute 11, and the chute wall at the front side of the chute 11 is provided with a limiting block 111; the unlocking member 20 includes a slider 21 and two slide arms 22 provided separately on the left and right sides of the slider 21. It can be appreciated that the bump of the electronic device is retractable, when the optical module 100 of the present invention is inserted into the electronic device, the bump will first abut against the stopper 111, and the bump is retracted downward to avoid the stopper 111. After the bump passes over the limiting block 111, the bump may extend upward to be inserted into the limiting space 211 and be used for abutting against the backward side of the limiting block 111, so as to realize the insertion and locking of the optical module 100 into the electronic device. When the optical module 100 needs to be taken out, the unlocking piece 20 is pushed forward, the unlocking piece 20 slides forward and jacks up the convex block downwards, the convex block is separated from the limiting space 211 and separated from the limiting block 111, unlocking of the optical module 100 is achieved, and at the moment, the optical module 100 can be taken out from the electronic equipment by pulling out the optical module 100.

The optical module 100 can unlock the optical module 100 inserted into the electronic equipment only by the unlocking piece 20 and the sliding groove 11 arranged on the outer side of the shell 10, has fewer parts, is simple to assemble, is convenient to manufacture, improves the production efficiency, and is suitable for batch production. In addition, the optical module 100 of the invention has fewer parts, occupies less space of the optical module 100 housing 10, and further reduces the design difficulty of the optical module 100 housing 10 structure. In addition, the sliding arm 22 is in sliding contact with the limiting covers 12, the sliding block 21 is exposed from between the two limiting covers 12, so that the unlocking piece 20 can be slidably installed in the sliding groove 11, compared with the unlocking piece 20 which is arranged in the shell 10, the part of the shell 10 corresponding to the sliding block 21 is also provided with a layer of covering mode, the structure of the optical module 100 is more compact due to the mode that the sliding block 21 is exposed, the overall height of the optical module 100 is further reduced, the requirements of MSA protocol on the height are met, and the use reliability of the optical module 100 is improved.

Preferably, as shown in fig. 3, a side of the limiting block 111 facing the second end has a wedge-shaped surface 1111, the wedge-shaped surface 1111 is inclined upwards from the limiting block 111 along a direction approaching the second end, and the provision of the wedge-shaped surface 1111 facilitates the insertion of the optical module 100 into the electronic device, thereby improving the convenience of use of the optical module 100.

In an embodiment, the optical module 100 further includes an elastic member 30 and a handle 40, where the elastic member 30 is disposed at intervals with the limiting block 111, and one end of the elastic member 30 is connected to one of the sliding arms 22, and the other end of the elastic member 30 is connected to a side of the corresponding limiting cover 12 away from the first end; the handle 40 is abutted against one side of the sliding arm 22, which is away from the limiting block 111, and the handle 40 is provided with a protrusion 41; the handle 40 is turned to drive the protrusion 41 to abut against the sliding arm 22 and push the sliding arm 22 towards the direction approaching the limiting block 111, and the sliding arm 22 drives the sliding block 21 to slide towards the direction approaching the limiting block 111. It will be appreciated that, as shown in figures 4 and 5, the protuberance 41 faces upwardly and it is necessary to rotate the handle 40 anticlockwise. When the boss 41 is downward, it is necessary to rotate the handle 40 clockwise. Since the unlocking member 20 is generally below when the optical module 100 is inserted into the electronic device, it is difficult to directly operate the unlocking member 20 by hand to unlock the optical module 100, so that an operator can unlock the optical module 100 conveniently by providing the handle 40, and the convenience of use of the optical module 100 is improved. Moreover, the automatic rebound of the unlocking piece 20 is realized by arranging the elastic piece 30, so that the locking and unlocking of the optical module 100 are smoother, the operation is more convenient, and the use convenience of the optical module 100 is further improved. Preferably, the elastic member 30 is provided on both slide arms 22. Specifically, the elastic member 30 may be a spring 30a, and correspondingly, a guide post 221 for limiting the spring 30a is disposed on each sliding arm 22, and the spring 30a is sleeved on the corresponding guide post 221.

Further, as shown in fig. 4, 5 and 7, the handle 40 includes a connecting section 42, an abutting section 43 and an operating section 44 connected in sequence, the connecting section 42 is rotatably mounted on the housing 10, the abutting section 43 forms a protrusion 41, and the connecting section 42 and the abutting section 43 are both used for abutting against one side of one of the sliding arms 22, which is away from the limiting block 111; the operating section 44 is rotated to drive the abutting section 43 and the connecting section 42 to rotate, so that the abutting section 43 abuts against the sliding arm 22 and pushes the sliding arm 22 towards the direction approaching the limiting block 111. The connecting section 42 and the abutting section 43 are both used for abutting with the sliding arm 22, so that the unlocking piece 20 is limited, the unlocking piece 20 is prevented from sliding out of the sliding groove 11, and the use reliability of the optical module 100 is improved. Moreover, the protrusion 41 is formed by the abutting section 43, so that the unlocking piece 20 is driven to slide towards the direction close to the limiting block 111 by the handle 40, and the structure design is simple and reasonable.

Preferably, the number of the connecting sections 42 and the abutting sections 43 is two, the two connecting sections 42 are rotatably mounted on two sides of the housing 10, the two abutting sections 43 are connected with the two connecting sections 42 respectively and form the protrusions 41, the operating section 44 is a flexible product, and two ends of the operating section 44 are connected with the two abutting sections 43 respectively. It can be understood that two limiting holes 80 are provided in the housing 10 corresponding to the two connecting sections 42, and when the handle 40 is installed, an operator needs to pinch the two ends of the operating section 44 to reduce the distance between the two ends of the operating section 44, and the two ends of the operating section 44 are loosened and the two connecting sections 42 are correspondingly installed in the two limiting holes, so that the handle 40 can be installed. Similarly, when the handle 40 is removed, the operator can remove the handle 40 from the housing 10 by simply pinching the two ends of the operating section 44. The handle 40 is positioned without bolts or screws, and is convenient to assemble and disassemble. And the number of the connecting sections 42 and the abutting sections 43 is two, so that the effects of limiting the unlocking piece 20 and pushing the unlocking piece 20 are better, and the use reliability of the optical module 100 is further improved.

In an embodiment, as shown in fig. 6, a guiding inclined plane 212 is formed on one side of the slider 21 facing the limiting block 111, the guiding inclined plane 212 is inclined upwards from the slider 21 towards a direction away from the slider 21, and a first avoiding groove is formed on the guiding inclined plane 212 corresponding to the position of the limiting block 111. The guiding inclined plane 212 is beneficial to the unlocking piece 20 to jack up the convex block, so that the unlocking of the optical module 100 is facilitated, and the use reliability of the optical module 100 is improved.

In an embodiment, as shown in fig. 4, 5 and 8, the PCB 50 is inserted in the housing 10, the optical module 100 further includes a limiting spring 60, the limiting spring 60 is installed in the housing 10 and has two elastic clamping legs 61, and the two elastic clamping legs 61 are respectively arranged at two sides of the PCB 50 and cooperate to clamp the PCB 50. The limiting elastic sheet 60 with the two elastic clamping legs 61 is used for clamping the PCB 50, so that the PCB 50 is prevented from shaking left and right, connection of the PCB 50 and the twisted pair 200 is facilitated, and stability of data transmission is improved.

Further, the limiting elastic sheet 60 further includes a substrate 62, an elastic pressing table 63 and a grounding protrusion 64, the substrate 62 is abutted to the housing 10, the two elastic clamping legs 61 are respectively arranged at two opposite sides of the substrate 62, the grounding protrusion 64 and the elastic pressing table 63 are respectively arranged at two ends of the substrate 62, the housing 10 is provided with a first avoiding hole 13 corresponding to the grounding protrusion 64, and the grounding protrusion 64 is partially exposed out of the housing 10 through the first avoiding hole 13 and is used for grounding; the elastic pressing table 63 abuts against the top of the PCB 50. The elastic limiting table 52 is located above the PCB 50 and is used for pressing the PCB 50, preventing the PCB 50 from shaking up and down, facilitating the conduction between the PCB 50 and the twisted pair 200, and further improving the stability of data transmission. In addition, the grounding function is realized by arranging the grounding bulge 64 exposed from the first avoiding hole 13, so that the damage of the internal structure due to static electricity is avoided, and the service life and the service reliability of the optical module 100 are improved. Specifically, the number of the grounding projections 64 may be plural. The elastic pressing stage 63 may be formed by bending an elastic member.

Further, the two elastic clamping legs 61 are provided with arch structures 611, the shell 10 is provided with second avoiding holes 14 corresponding to the two arch structures 611, and the two arch structures 611 are partially exposed from the shell 10 through the two second avoiding holes 14 and are both used for grounding. By arranging the arch structure 611 on the elastic clamping leg 61, the function of grounding can be realized while the PCB 50 is clamped, the grounding effect is further improved, and the structure is more compact.

In an embodiment, as shown in fig. 4, 5, 9 and 11, a limiting component 70 is disposed in the housing 10, a hook groove 71 is formed in the limiting component 70, the PCB 50 extends into the hook groove 71, and the limiting component 70 abuts against the top and the bottom of the PCB 50. By arranging the limiting assembly 70 to further limit the PCB 50, the shaking of the PCB 50 is further avoided, and the stability of data transmission of the optical module 100 is further improved.

Further, the housing 10 includes an upper shell 15 and a base 16, the limiting assembly 70 includes a hook block 72 and a limiting post 73, the hook block 72 and the limiting post 73 are respectively disposed on the upper shell 15 and the base 16, the limiting post 73 forms a hook groove 71, and the hook block 72 is used for extending into the hook groove 71 and being in hooking fit with the limiting post 73; when the hook block 72 is in hook joint fit with the limit post 73, the hook block 72 is abutted to the bottom of the PCB 50, and the limit post 73 is abutted to the top of the PCB 50; the upper shell 15 is also provided with a catch 151 for locking engagement with the base 16. The limiting of the PCB 50 is realized by arranging the hook block 72 and the limiting column 73, and the structural design is ingenious and reasonable. The detachable connection of the upper case 15 and the base 16 is also realized, so that the inspection of the inside of the optical module 100 is facilitated, and the convenience of use of the optical module 100 is improved. The structural stability of the light module 100 is also improved by providing a catch 151 for locking engagement with the base 16.

In an embodiment, as shown in fig. 4 and 5, the optical module 100 further includes a wiring platform 51 and a limiting platform 52, where the wiring platform 51, the limiting platform 52 and the PCB 50 are all located in the housing 10, the limiting platform 52 is installed on the wiring platform 51, the PCB 50 is installed on the limiting platform 52, the limiting platform 52 is located above the PCB 50 and is used for abutting against the housing 10, the wiring platform 51 and the limiting platform 52 form a wiring space 522 with a wire insertion opening 521, and the wiring space 522 is used for inserting the twisted pair 200 so as to connect the twisted pair 200 with the wiring platform 51. The wiring platform 51 is used for being connected with the twisted pair 200, and the wiring space 522 for inserting the twisted pair 200 is stably reserved after the wiring platform 51 is installed by arranging the limiting platform 52, so that the insertion of the twisted pair 200 is facilitated, and the use reliability of the optical module 100 is improved. In addition, the limiting table 52 plays a limiting role on the PCB 50, so that the PCB 50 is prevented from shaking, and the stability of data transmission of the optical module 100 is further improved.

Further, as shown in fig. 1 and 10, the twisted pair 200 includes a pressing spring 201 and a crystal head for being inserted into the wiring space 522 from the wire insertion opening 521, the pressing spring 201 is rotatably mounted on the crystal head, the pressing spring 201 has a slope 2011, the slope 2011 is inclined downward along the insertion direction of the crystal head, the housing 10 is provided with a second avoiding groove 17 corresponding to the pressing spring 201, the outer wall of the housing 10 is provided with a retaining block 18, the retaining block 18 is mounted at one end of the housing 10 where the second avoiding groove 17 is located and is disposed at the same side as the second avoiding groove 17, the retaining block 18 extends into the second avoiding groove 17, the retaining block 18 is used for being in sliding contact with the slope 2011, and when the crystal head is inserted into the wiring space 522, the retaining block 18 is located at one side of the pressing spring 201 facing the wire insertion opening 521 and is used for being in abutment with one side of the pressing spring 201 facing the wire insertion opening 521. When the twisted pair 200 is inserted, the retaining block 18 is in sliding contact with the slope 2011 of the pressing spring 201, so that the pressing spring 201 rotates to avoid the retaining block 18, after the twisted pair 200 is inserted, the retaining block 18 is positioned at the rear side of the pressing spring 201, and plays a limiting role on the twisted pair 200, so that the twisted pair 200 cannot naturally deviate from the wiring space 522, stable connection between the twisted pair 200 and the optical module 100 is realized, and stability of data transmission is improved. In addition, compared with the retaining block 18 arranged on the inner side of the housing 10, the retaining block 18 arranged on the outer side of the housing 10 has a more compact structure of the optical module 100, which is beneficial to meeting the requirements of the MSA protocol on the height. Preferably, the number of the retaining blocks 18 is two, the two retaining blocks 18 are respectively arranged at the left side and the right side of the second avoiding groove 17, the retaining effect on the twisted pair 200 is better, and the use reliability of the optical module 100 is improved.

In an embodiment, as shown in fig. 4, 5 and 11, a clamping groove 53 is formed on the PCB 50, and a clamping post 19 for being in clamping fit with the clamping groove 53 is correspondingly disposed in the housing 10. When the PCB 50 is installed, the rear end of the PCB 50 is slightly lifted downwards, the rear end of the PCB 50 is loosened after the PCB 50 is inserted in place, and the clamping groove 53 rises and is matched with the clamping column 19 in a clamping manner. The clamping columns 19 play a limiting role on the PCB 50, so that the PCB 50 is prevented from shaking, and the stability of data transmission of the optical module 100 is improved.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. An optical module for use in an electronic device having bumps, the optical module comprising:

2. The optical module of claim 1, further comprising an elastic member and a handle, wherein the elastic member is disposed at intervals from the limiting block, one end of the elastic member is connected with one of the sliding arms, and the other end of the elastic member is connected with a side, away from the first end, of the corresponding limiting cover; the handle is abutted to one side, away from the limiting block, of one of the sliding arms, and the handle is provided with a protrusion; the handle is rotated to drive the protrusion to abut against the sliding arm and push the sliding arm towards the direction close to the limiting block, and the sliding arm drives the sliding block to slide towards the direction close to the limiting block.

3. The optical module according to claim 2, wherein the handle comprises a connecting section, an abutting section and an operating section which are connected in sequence, the connecting section is rotatably mounted on the housing, the abutting section forms the protrusion, and the connecting section and the abutting section are both used for abutting against one side of one of the sliding arms, which is away from the limiting block;

4. The optical module of claim 1, wherein the housing is internally provided with a PCB board, and the optical module further comprises a limiting spring piece, wherein the limiting spring piece is installed in the housing and provided with two elastic clamping legs, and the two elastic clamping legs are respectively arranged at two sides of the PCB board and cooperate to clamp the PCB board.

5. The optical module of claim 4, wherein the limiting spring further comprises a substrate, an elastic pressing table and a grounding protrusion, the substrate is abutted against the shell, two elastic clamping legs are respectively arranged on two opposite sides of the substrate, the grounding protrusion and the elastic pressing table are respectively arranged at two ends of the substrate, the shell is provided with a first avoidance hole corresponding to the grounding protrusion, and the grounding protrusion is partially exposed out of the shell through the first avoidance hole and is used for grounding; the elastic pressing table is abutted to the top of the PCB.

6. The optical module of claim 5, wherein the two elastic clamping legs are provided with arch structures, the corresponding two arch structures on the shell are respectively provided with second avoiding holes, and the two arch structures are respectively exposed out of the shell through the two second avoiding holes and are both used for grounding.

7. The optical module of claim 4, wherein a limiting component is disposed in the housing, a hook slot is formed in the limiting component, the PCB board extends into the hook slot, and the limiting component abuts against the top and the bottom of the PCB board.

8. The optical module of claim 7, wherein the housing comprises an upper shell and a base, the limit assembly comprises a hook block and a limit post, the hook block and the limit post are respectively arranged on the upper shell and the base, the limit post forms the hook slot, and the hook block is used for extending into the hook slot and being in hooking fit with the limit post; when the hook block is in hook joint with the limit post, the hook block is abutted to the bottom of the PCB, and the limit post is abutted to the top of the PCB; the upper shell is also provided with a lock catch which is used for being in locking fit with the base.

9. The optical module of claim 4, further comprising a wiring block, and a limiting block, wherein the wiring block, the limiting block, and the PCB are all located in the housing, the limiting block is mounted to the wiring block, the PCB is mounted to the limiting block, the limiting block is located above the PCB and is configured to abut against the housing, the wiring block and the limiting block form a wiring space having a wire insertion opening, and the wiring space is configured to be inserted with twisted pairs so that the twisted pairs are connected to the wiring block.

10. The optical module of claim 9, wherein the twisted pair includes a pressing spring and a crystal head for inserting into the wiring space from the wire insertion opening, the pressing spring is rotatably mounted on the crystal head, the pressing spring has a slope, the slope is inclined downward along the insertion direction of the crystal head, the housing corresponds to the pressing spring, a second avoidance groove is formed in the housing, a retaining block is arranged on the housing at one end where the second avoidance groove is located and is arranged on the same side as the second avoidance groove, the retaining block extends into the second avoidance groove and is used for being in sliding contact with the slope, and when the crystal head is inserted into the wiring space, the retaining block is located at one side of the pressing spring facing the wire insertion opening and is used for being in abutment with the pressing spring facing one side of the wire insertion opening.