CN211148993U

CN211148993U - Optical module shell structure

Info

Publication number: CN211148993U
Application number: CN201922379574.5U
Authority: CN
Inventors: 周斌; 黄愚
Original assignee: Guangwei Technology Guangzhou Co ltd
Current assignee: Guangwei Technology Guangzhou Co ltd; Liturex Guangzhou Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-31
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an optical module housing structure, the on-line screen storage device comprises a base, a cover body, pull ring and reset spring, the lid closes at the base, the pull ring is including handheld arm, form at the suit arm of the rear end of handheld arm and form the extension arm at the rear end of suit arm, the anterior upper surface of base is formed with movable trench, movable trench is located to the suit arm, the front side and the rear side of activity trench are formed with the front end protruding and the back end arch respectively, the suit arm can promote the base to move backward to the locking or move forward with the unblock and in the activity trench in the unblock in the front end protruding time pulling base move forward under the effect of handheld arm. The utility model discloses a limited motion can only be made at the movable trench to the suit arm of pull ring, and the activity start-stop position of the relative base of pull ring is clear and definite, and the plug is controlled easily for optical module shell structure can be reliably the locking in the shield cage or by the unblock of shield cage and extract. Moreover, the utility model discloses simple structure assembles easily.

Description

Optical module shell structure

Technical Field

The utility model relates to an optical communication technical field especially relates to an optical module shell structure.

Background

Optical Module (Optical Module) generally refers to an integrated Module for Optical-to-electrical conversion, which can convert Optical signals into electrical signals or electrical signals into Optical signals, and plays an important role in the field of Optical communications. Optical modules are classified according to package form, and SFP, SFP +, SFF, SNAP12, POP4, QSFP, CXP and the like are common, wherein QSFP can realize 10 times more accumulated transmission data bandwidth than SFP by using a PCB (printed circuit board) space which is only 30% more than SFP by adopting an 8-channel (transmission and reception occupy 4 channels, respectively), QSFP optical modules are required to be capable of being flexibly plugged and unplugged, and are required to be stably locked in a shielding cage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical module shell structure that simple structure, plug are controlled easily.

In order to achieve the above object, the present invention provides an optical module housing structure, including a base, a cover, a pull ring and a return spring, wherein the cover covers the base, the pull ring includes a handheld arm, a sleeved arm formed at the rear end of the handheld arm, and an extension arm formed at the rear end of the sleeved arm, a movable slot is formed on the upper surface of the front portion of the base, the sleeved arm is disposed in the movable slot, a front stop protrusion and a rear stop protrusion are respectively formed on the front side and the rear side of the movable slot, the sleeved arm can push the base to move backwards to a locked position or move forwards at the movable slot to be unlocked under the action of the handheld arm, and pull the base to move forwards when a stopper is in the front stop protrusion; reset spring locates in the storage tank of base, the extension arm is formed with and stretches into the portion of bending of storage tank, the portion of bending is located reset spring's rear side, handheld arm cancellation is in during the effort of suit arm, the suit arm in under reset spring's effect the activity trench backward move to the backstop in the back end is protruding.

Preferably, the front part of the base is formed with the front stop projection protruding upward from the upper surface thereof.

Preferably, the left side wall and the right side wall of the front part of the base respectively protrude outwards to form the rear stop protrusion.

Preferably, the section of the sleeving arm is U-shaped, and the sleeving arm includes a main body portion located at the movable slot and two side wall portions respectively connected to the left and right sides of the main body portion.

Preferably, the rear ends of the two side wall parts are respectively formed with the extension arm.

Preferably, the left side wall and the right side wall of the base are respectively and inwardly recessed to form an accommodating groove, the two extension arms are respectively attached to the accommodating grooves, and the outer surfaces of the extension arms are flush with the outer surfaces of the side walls of the base.

Preferably, the lower end of the extension arm is provided with a limiting block in a downward protruding manner, the cover body is provided with a sliding groove extending in the front-back direction, and the limiting block is inserted into the sliding groove and can move back and forth along the sliding groove.

Preferably, the cover and the base are fixed by screws.

Preferably, the optical module housing structural member is configured to be inserted into a shielding cage, and an arc portion having an inward opening and configured to cooperate with the shielding cage to lock or unlock the optical module housing structural member is formed at a rear end of the extension arm.

Compared with the prior art, the utility model discloses a set up the activity trench in the front portion of base, the front side and the rear side of activity trench are formed with preceding end position arch and back end position arch respectively, the suit arm sets up at the activity trench, when the suit arm receives the backward effort of handheld arm, the suit arm promotes the base and moves backward until the locking at the shield cage, when the suit arm receives the forward effort of handheld arm, the suit arm moves forward at the activity trench and unlocks from the shield cage, and the suit arm moves to the backstop and transmits the pulling force to the base when stopping the position arch before, thereby pull out optical module shell structure whole by from the shield cage; the sleeving arm of the pull ring can only do limited movement at the movable slot position, the movable starting and stopping positions of the pull ring relative to the base are clear, and the plugging and unplugging are easy to control, so that the optical module shell structural part can be reliably locked in the shielding cage or unlocked and unplugged by the shielding cage. Moreover, the utility model discloses simple structure assembles easily.

Drawings

Fig. 1 is a schematic perspective view of an optical module housing structure according to an embodiment of the present invention.

Fig. 2 is an exploded view of the optical module housing structure shown in fig. 1.

Fig. 3 is a schematic structural view of the base and the return spring shown in fig. 1.

FIG. 4 is a side view of the light module housing structure with the tab stopped by the backstop protrusion.

FIG. 5 is a side view of the light module housing structure with the tab stopped by the front stop protrusion.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and thus are not to be construed as limiting the protection of the present invention.

Referring to fig. 1 to 5, the present invention discloses an optical module housing structure 100, which can be inserted into and locked by a CAGE (CAGE) or unlocked and pulled out from the CAGE. Specifically, optical module housing structure 100 includes base 1, lid 2, pull ring 3 and reset spring 4, lid 2 lid closes at base 1, pull ring 3 includes handheld arm 31, form suit arm 32 at the rear end of handheld arm 31 and form the extension arm 33 at the rear end of suit arm 32, the upper surface of the front portion of base 1 is formed with movable trench 11, suit arm 32 locates movable trench 11 and can be at movable trench 11 back-and-forth movement, the front side and the rear side of movable trench 11 are formed with preceding stop arch 12 and back stop arch 13 respectively. When the sleeving arm 32 is subjected to the backward acting force of the handheld arm 31, the sleeving arm 32 pushes the base 1 to move backwards until the base is locked by the shielding cage; when the sleeving arm 32 is subjected to the forward acting force of the handheld arm 31, the sleeving arm 32 moves forward in the movable slot 11 and is unlocked from the shield cage, and when the sleeving arm 32 moves to the stop at the front stop protrusion 12 (as shown in fig. 5), the sleeving arm 32 does not move relative to the base 1 any more, and the sleeving arm 32 transmits a pulling force to the base 1, so that the optical module housing structure 100 is pulled out of the shield cage as a whole. Base 1 still is equipped with storage tank 14, reset spring 4 locates in storage tank 14, extension arm 33 is formed with the portion 331 of bending that stretches into storage tank 14, the portion 331 of bending is located reset spring 4's rear side, when the suit arm 32 forward under the effect of the forward action power of handheld arm 31 when moving forward, the portion 331 of bending compresses reset spring 4, when the effort of handheld arm 31 cancellation at suit arm 32, suit arm 32 backward moves to backstop in the backstop in activity trench 11 under reset spring 4's effect and ends protruding 13 (as shown in fig. 4), borrow the design by reset spring 4, realize the automatic re-setting of pull ring 3.

Referring to fig. 1, more specifically, an arc portion 332 with an inward opening is formed at the rear end of the extension arm 33 and is used for being matched with a locking elastic sheet (not shown) of the cage, stable locking of the optical module housing structural member 100 in the cage is achieved through matching of the arc portion 332 and the locking elastic sheet of the cage, and when the sleeving arm 32 moves forward in the movable slot 11, the arc portion 332 pushes away the locking elastic sheet to unlock the cage.

Referring to fig. 1 and 2, in the present embodiment, the front portion of the base 1 protrudes upward from the upper surface thereof to form a front stop protrusion 12, the left side wall and the right side wall of the front portion of the base 1 protrude outward to form a rear stop protrusion 13, and a movable slot 11 is formed between the front stop protrusion 12 and the rear stop protrusion 13, so that the structure is simple. Of course, the specific implementation is not limited thereto, for example, in some embodiments, the rear stop protrusion 13 may also be formed by protruding upward from the front portion of the base 1.

In this embodiment, the arm 32 has a U-shaped cross section, and includes a main body 321 located in the movable slot 11 and two side wall portions 322 respectively connected to the left and right sides of the main body 321. Further, the rear ends of the side wall portions 322 are formed with extension arms 33, respectively. Therefore, the structure of the pull ring 3 is more stable, and further the structure of the optical module housing structure 100 is more stable and reliable.

Referring to fig. 1 and fig. 2, in the present embodiment, the left and right sidewalls of the base 1 are recessed inward to form the receiving groove 15, the shape of the receiving groove 15 is matched with the shape of the extension arm 33, the two extension arms 33 are respectively attached to the receiving groove 15, and the outer surfaces of the extension arms 33 are flush with the outer surfaces of the sidewalls of the base 1. Therefore, the structure of the optical module housing structure 100 is smoother, and meanwhile, the occupied space can be saved.

In this embodiment, a limiting block 333 is formed at the lower end of each extending arm 33 in a downward protruding manner, the cover 2 is provided with a sliding slot 21 extending in the front-back direction, the limiting block 333 is inserted into the sliding slot 21, and when the sleeving arm 32 receives the acting force of the handheld arm 31, the sleeving arm 32 moves back and forth in the movable slot 11 to move the limiting block 333 back and forth along the sliding slot 21. By means of the matching of the limiting block 333 and the sliding groove 21, the pull ring 3 can stably move back and forth relative to the base 1, and further the overall structure of the optical module housing structure 100 is more stable.

Referring to fig. 2 and 3, in the present embodiment, the cover 2 and the base 1 are fixed by screws 5. Specifically, the cover body 2 is provided with a first screw hole 22 penetrating through the upper surface and the lower surface of the cover body, the base 1 is provided with a second screw hole 16, and the cover body 2 and the base 1 are stably fixed by inserting a screw 5 into the first screw hole 22 and the second screw hole 16. More specifically, the cover 2 is provided with two first screw holes 22 arranged along the left-right direction, and similarly, the base 1 is provided with two second screw holes 16 arranged along the left-right direction, and screws 5 are inserted into the corresponding first screw holes 22 and the second screw holes 16. Of course, the number of

screw holes

22, 16 is not limited in the specific implementation.

Compared with the prior art, the utility model discloses a set up movable slot position 11 in the front portion of base 1, the front side and the rear side of movable slot position 11 are formed with preceding stop protrusion 12 and back stop protrusion 13 respectively, suit arm 32 sets up at movable slot position 11, when suit arm 32 receives the backward effort of handheld arm 31, suit arm 32 promotes base 1 and moves backward until the locking at the shield cage, when suit arm 32 receives the forward effort of handheld arm 31, suit arm 32 moves forward at movable slot position 11 and unlocks from the shield cage, and suit arm 32 moves to the backstop and transmits the pullout force to base 1 when stopping at preceding stop protrusion 12, thereby optical module structure shell 100 is whole by extracting from the shield cage; since the sleeving arm 32 of the pull ring 3 can only move in the movable slot 11 in a limited manner, the movable start-stop position of the pull ring 3 relative to the base 1 is clear, and the plugging and unplugging are easy to control, so that the optical module housing structure 100 can be reliably locked in the shielding cage or unlocked and unplugged from the shielding cage. Moreover, the utility model discloses simple structure assembles easily.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. An optical module shell structure is characterized by comprising a base, a cover body, a pull ring and a return spring, wherein the cover body covers the base, the pull ring comprises a handheld arm, a sleeving arm formed at the rear end of the handheld arm and an extension arm formed at the rear end of the sleeving arm, a movable groove is formed on the upper surface of the front part of the base, the sleeving arm is arranged in the movable groove, a front stop bulge and a rear stop bulge are respectively formed on the front side and the rear side of the movable groove, and the sleeving arm can push the base to move backwards to be locked under the action of the handheld arm or push the base to move forwards under the action of the movable groove to be unlocked and push the base to move forwards when a stop is stopped at the front stop bulge; reset spring locates in the storage tank of base, the extension arm is formed with and stretches into the portion of bending of storage tank, the portion of bending is located reset spring's rear side, handheld arm cancellation is in during the effort of suit arm, the suit arm in under reset spring's effect the activity trench backward move to the backstop in the back end is protruding.

2. The optical module housing structure as claimed in claim 1, wherein the front portion of the base is formed with the front stop protrusion protruding upward from the upper surface thereof.

3. The light module housing structure as claimed in claim 1 or 2, wherein the left and right side walls of the front portion of the base respectively protrude outward to form the rear stop protrusion.

4. The optical module housing structure according to claim 1, wherein the arm assembly has a U-shaped cross-section, and includes a main body portion located in the movable slot and two side wall portions respectively connected to left and right sides of the main body portion.

5. The optical module housing structure according to claim 4, wherein the rear ends of the two side wall portions are respectively formed with the extension arms.

6. The optical module housing structure as claimed in claim 5, wherein the left and right sidewalls of the base are recessed inwardly to form receiving grooves, the two extension arms are respectively attached to the receiving grooves, and the outer surfaces of the extension arms are flush with the outer surfaces of the sidewalls of the base.

7. The optical module housing structure as claimed in claim 5, wherein a limiting block is formed at a lower end of the extension arm in a downward protruding manner, the cover body is provided with a sliding slot extending in a front-back direction, and the limiting block is inserted into the sliding slot and can move back and forth along the sliding slot.

8. The light module housing structure as claimed in claim 1, wherein the cover and the base are fixed by screws.

9. The optical module housing structure as claimed in claim 1, wherein the optical module housing structure is configured to be inserted into a cage, and the rear end of the extension arm is formed with an inwardly open arc portion for cooperating with the cage to lock or unlock the optical module housing structure.