CN111158093A

CN111158093A - Optical module pull ring unlocking structure

Info

Publication number: CN111158093A
Application number: CN201811321922.7A
Authority: CN
Inventors: 周贤; 王克武
Original assignee: Innolight Technology Suzhou Ltd
Current assignee: Innolight Technology Suzhou Ltd
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2020-05-15

Abstract

The application discloses pull ring unlocking structure of optical module, this pull ring unlocking structure include base, upper cover and pull ring of mutually assembling together. Wherein, the base is provided with mounting grooves on both sides, and the pull ring is arranged in the mounting grooves. The mounting groove is internally provided with a lug with an inclined plane, and the pull ring is provided with an avoiding hole matched with the lug. During the unblock, pulling the pull ring, the lug is opened the tongue piece outward when the pull ring retreats, and the stay of cage is jack-up, and the optical module is deviate from the cage. Or an avoiding groove is arranged in the mounting groove, and a lug which is matched with the avoiding groove and is provided with an inclined plane is arranged on the pull ring, so that the same unlocking effect can be achieved. The optical module unlocking device is simple in structure, convenient to manufacture and high in reliability, and can realize quick unlocking of the optical module.

Description

Optical module pull ring unlocking structure

Technical Field

The application relates to the field of optical communication, in particular to an optical module pull ring unlocking structure.

Background

At present, when a commonly used hot plug optical module is inserted into a cage, a locking sheet locks and fixes the optical module. When the optical module is to be pulled out, as long as the pull ring is pulled, the pull ring retreats, the tongue piece jacks up the locking sheets on the two sides of the cage, the unlocking function is realized, and therefore the optical module is separated from the cage. And the MSA protocol stipulates that the total width of the optical module added with the tongue piece cannot exceed 0.1mm of the original module, so that the optical module not only achieves the unlocking function, but also meets the size requirement, and the requirement on the manufacturing tolerance of the tongue piece is strict. If the size is not manufactured in place or the corner collapse of the front end of the tongue piece is too large, the unlocking requirement cannot be met, and the optical module is not easy to pull out of the cage.

Disclosure of Invention

An object of the application is to provide an optical module pull ring unlocking structure, which solves the problem that an optical module is not easy to unlock from a cage due to poor size, effectively improves the unlocking performance of the optical module, and can meet the optical module size requirement specified by MSA.

In order to realize one of the above-mentioned purpose, this application provides an optical module pull ring unblock structure, include the base, install upper cover and setting on the base are in the base and/or pull ring on the upper cover, the base and/or open the upper cover both sides has the mounting groove, the pull ring is located in the mounting groove, pull ring one end is equipped with the tongue piece of bending, its characterized in that: a convex block protruding out of the bottom of the mounting groove is arranged in the mounting groove, an avoidance hole matched with the convex block is formed in the position, close to the tongue piece, of the pull ring, and the convex block is accommodated in the avoidance hole; the surface of the lug opposite to the surface of the groove bottom is an inclined plane, and the lower end of the inclined plane is close to the tongue piece.

As a further improvement of the embodiment, the height of the projection protruding out of the highest position of the bottom of the mounting groove is smaller than the thickness of the pull ring.

As a further improvement of the embodiment, the shape of the convex block is triangular, circular or rectangular along the plane direction of the bottom of the vertical mounting groove.

As a further improvement of the embodiment, the projection is integrally formed or detachably connected in the mounting groove.

As a further improvement of the embodiment, the height of the lug which protrudes from the lowest part of the bottom of the mounting groove is zero.

This application still provides another kind of optical module pull ring unblock structure, include the base, install upper cover and setting on the base are in the base and/or pull ring on the upper cover, the base and/or open the upper cover both sides has the mounting groove, the pull ring is located in the mounting groove, pull ring one end is equipped with the tongue piece of bending, its characterized in that: a convex block is arranged on the pull ring at a position close to the tongue piece, an avoiding groove matched with the convex block is arranged in the mounting groove, and the convex block is accommodated in the avoiding groove; the surface of the lug opposite to the surface of the pull ring is an inclined plane, and the end with higher height of the inclined plane is close to the tongue piece.

As a further improvement of the embodiment, the height of the highest point of the bump is smaller than the depth of the avoidance groove.

As a further improvement of the embodiment, the shape of the projection in the direction of the plane perpendicular to the direction of the tongue is triangular, circular or rectangular.

As a further improvement of the embodiment, the projection is integrally formed or detachably attached to the tab.

As a further improvement of the embodiment, an inclined surface matched with the inclined surface of the bump is arranged in the avoiding groove.

The beneficial effect of this application: compared with the prior art, the optical module base is additionally provided with the oblique part

The convex block of the surface can slightly expand along the inclined plane direction when pulling the pull ring, thereby avoiding the problem of poor size

The situation that unlocking is not easy to occur occurs. The method has the advantages of simple structure, convenient processing, low cost, economy and practicality.

Drawings

Fig. 1 is a three-dimensional diagram of a light module according to the first embodiment;

FIG. 2 is an enlarged schematic diagram of N parts of the optical module shown in FIG. 1;

fig. 3 is a front view of the light module shown in fig. 1;

FIG. 4 is a cross-sectional view of the optical module shown in FIG. 3 taken along line O-O;

FIG. 5 is an enlarged schematic view at P in the light module of FIG. 4;

fig. 6 is a front view of the optical module of the second embodiment;

FIG. 7 is a cross-sectional view of the optical module shown in FIG. 6 taken along line O-O;

fig. 8 is an enlarged schematic view at P in the optical module shown in fig. 7.

Detailed Description

The present application will now be described in detail with reference to specific embodiments thereof as illustrated in the accompanying drawings. These embodiments are not intended to limit the present application, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present application.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

Also, terms used herein such as "upper," "above," "lower," "below," and the like, denote relative spatial positions of one element or feature with respect to another element or feature as illustrated in the figures for ease of description. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. When an element or layer is referred to as being "on," or "connected" to another element or layer, it can be directly on, connected to, or intervening elements or layers may be present.

The optical module pull ring unlocking structure of the present application will be described in detail below by taking the accompanying drawings as examples.

Example one

Referring to fig. 1, fig. 1 is a three-dimensional diagram of an optical module, and an optical module 100 of the embodiment includes a base 101, an upper cover 102, and a pull ring 103. The pull ring 103 is mounted on the base 101, and the base 101 and the upper cover 102 are fixedly mounted by screws. The pull ring 103 is composed of a tongue piece 10, a ring arm 13 and a handle (not shown). The pull ring 103 has two sides with ring arms 13, and the top end with bent tongue piece 10 formed integrally with the ring arms, the tongue piece 10 is smaller than the ring arms 13 in width. The tongue piece 10 and the ring arm 13 are integrally made of metal material, and the handle can be made of soft rubber material.

Fig. 2 is an enlarged schematic view of N parts of the optical module shown in fig. 1. Two sides of the base 101 of the optical module 100 are respectively provided with 2 mounting grooves. Fig. 2 shows two mounting grooves on one side, namely a first mounting groove 11 and a second mounting groove 12. The width of the first mounting groove 11 is smaller than that of the second mounting groove 12, and the two mounting grooves are communicated with each other and are respectively used for accommodating the tongue piece 10 and the ring arm 13. The second mounting groove 12 has a protrusion 120 formed on the bottom thereof, and the protrusion 120 is disposed adjacent to the tongue 10. The projection 120 includes an upper surface 120a, and the upper surface 120a is an inclined surface having an angle with respect to the groove bottom of the second mounting groove 12. The upper surface 120a has a lower end near the tongue 10, and the lower end is flush with the bottom of the second mounting groove 12. The end of the upper surface 120a away from the tongue piece 10 is a high end, the end of the high end is flush with the upper surface of the ring arm 13, the upper surface is the surface outside the ring arm 13, and the lower surface is the surface attached to the bottom of the second mounting groove 12. The pull ring 103 is provided with an avoiding hole 131 matched with the convex block 120 at a position close to the tongue piece 10. When the pull ring 103 is mounted in the mounting groove 112 on the two sides of the base 101, the protrusion 120 is received in the avoiding hole 131.

Referring to fig. 3-5, the sidewall of the base 101 is provided with a mounting groove 112, and the mounting groove 112 is used for placing the tab 103. When the optical module 100 is inserted into the cage, the tongue piece 10 at the top end of the pull ring 103 jacks up the locking piece of the cage, so that the optical module 100 enters the cage, and when the optical module 100 is pushed to a corresponding position, the locking piece of the cage is clamped on the wall of the mounting groove 12, and the optical module 100 can be locked in the cage. During unlocking, the pull ring handle is pulled backwards, the pull ring 103 moves in the mounting groove 112 along the longitudinal direction of the optical module, the inclined surface 120a of the convex block can slightly jack up the pull ring tongue piece 10 outwards, the locking piece of the cage is jacked open, and the pull ring 103 is separated from the cage, so that the unlocking purpose is achieved. After unlocking, the pull ring automatically resets under the action of the spring.

In other embodiments, the mounting groove 112 may be disposed on the upper cover 102, or formed on both the base 101 and the upper cover 102. The bottom surface of the bump 120 may be triangular or circular in shape. Accordingly, the relief hole 131 of the tab may also be triangular, circular. The protrusion 120 may be separately formed and fixedly attached to the mounting groove 112 using a detachable connection, such as welding or bonding, or may be integrally formed with the mounting groove 112.

Example two

Another embodiment is provided in the present application, please refer to fig. 6-8. The optical module 200 of this embodiment includes a base 201, an upper cover 202, and a pull ring 203. The pull ring 203 is installed on the base 201, and the base 201 and the upper cover 202 are fixedly installed through screws. The pull ring 203 is composed of a tongue 20, a ring arm 23 and a handle (not shown). The two sides of the pull ring are provided with ring arms 23, the top end of the pull ring is provided with a bent tongue piece 20 which is integrally formed with the ring arms 23, and the width of the bent tongue piece is smaller than that of the ring arms 23. The tongue 20 and the ring arm 23 are made of metal material and the handle can be made of soft rubber material.

Two sides of the base 101 are respectively provided with 2 mounting grooves, the width of the first mounting groove 21 is smaller than that of the second mounting groove 22, and the two mounting grooves are mutually communicated and are respectively used for accommodating the tongue piece 20 and the ring arm 23. Different from the first embodiment, an avoiding groove 231 is formed at the bottom of the second installation groove 22, an inclined surface is formed in the avoiding groove 231, and a protrusion 220 is formed on the lower surface of the ring arm 23 near the tab tongue 20, which is the surface of the inner side of the tab. The projection 220 includes an upper surface 220a, the upper surface 220a having an angled slope relative to the lower surface of the ring arm 23. The end of the upper surface 220a close to the tongue 20 is a high end, and the distance between the end of the high end and the lower surface of the ring arm 23 is smaller than the depth of the avoiding groove 231. The end of the upper surface 220a remote from the tongue 10 is a lower end, the end of which coincides with the lower surface of the ring arm 23. When the pull ring 203 is mounted in the mounting groove 212 on the two sides of the base 201, the protrusion 220 is received in the avoiding hole 131 and contacts with the inclined plane disposed in the avoiding hole 131.

When the optical module 200 is inserted into the cage, the tongue piece 20 at the top end of the pull ring 203 jacks up the locking piece of the cage, so that the optical module 100 enters the cage, and when the optical module is pushed to a corresponding position, the locking piece of the cage is clamped on the wall of the mounting groove 231, and the optical module 200 can be locked in the cage. During unlocking, the pull ring handle is pulled backwards, the pull ring 203 moves longitudinally along the optical module, the inclined surface 220a of the convex block on the pull ring 201 retreats along the inclined surface of the avoiding groove 231, the pull ring tongue piece 20 is slightly jacked outwards, the locking sheet of the cage is jacked open, the pull ring 203 is separated from the cage, and the unlocking purpose is achieved. After unlocking, the pull ring automatically resets under the action of the spring.

In other embodiments, the mounting groove 212 may be disposed on the upper cover 202, or the base 201 and the upper cover 202. The bottom surface of the bump 220 may be triangular or circular. Accordingly, the escape groove 231 may also be triangular, circular. The tab 220 may be separately formed and fixedly attached to the pull ring 212 using a detachable connection, such as welding or adhesive, or may be integrally formed with the pull ring 212.

The above list of details is only for the concrete description of the feasible embodiments of the present application, they are not intended to limit the scope of the present application, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present application are intended to be included within the scope of the present application.

Claims

1. The utility model provides an optical module pull ring unblock structure, includes the base, installs upper cover and setting on the base are in the base and/or pull ring on the upper cover, the base and/or open the upper cover both sides has the mounting groove, the pull ring is located in the mounting groove, pull ring one end is equipped with the tongue piece of bending, its characterized in that: a convex block protruding out of the bottom of the mounting groove is arranged in the mounting groove, an avoidance hole matched with the convex block is formed in the position, close to the tongue piece, of the pull ring, and the convex block is accommodated in the avoidance hole; the surface of the lug opposite to the surface of the groove bottom is an inclined plane, and the lower end of the inclined plane is close to the tongue piece.

2. The optical module pull ring unlocking structure of claim 1, wherein: the height of the highest position of the lug protruding out of the bottom of the mounting groove is smaller than the thickness of the pull ring.

3. The optical module pull ring unlocking structure of claim 2, wherein: the shape of the convex block is triangular, circular or rectangular along the plane direction of the bottom of the vertical mounting groove.

4. The optical module pull ring unlocking structure of claim 3, wherein: the lug is integrally formed or detachably connected in the mounting groove.

5. The optical module pull ring unlocking structure of claim 4, wherein: the height of the lug protruding from the lowest position of the bottom of the mounting groove is zero.

6. The utility model provides an optical module pull ring unblock structure, includes the base, installs upper cover and setting on the base are in the base and/or pull ring on the upper cover, the base and/or open the upper cover both sides has the mounting groove, the pull ring is located in the mounting groove, pull ring one end is equipped with the tongue piece of bending, its characterized in that: a convex block is arranged on the pull ring at a position close to the tongue piece, an avoiding groove matched with the convex block is arranged in the mounting groove, and the convex block is accommodated in the avoiding groove; the surface of the lug opposite to the surface of the pull ring is an inclined plane, and the end with higher height of the inclined plane is close to the tongue piece.

7. The optical module pull ring unlocking structure of claim 6, wherein: the height of the highest position of the convex block is smaller than the depth of the avoidance groove.

8. The optical module tab unlocking structure of claim 7, wherein: the shape of the projection is triangular, circular or rectangular in the plane direction perpendicular to the direction of the tongue.

9. The optical module tab unlocking structure of claim 8, wherein: the lug is integrally formed or detachably connected to the pull ring.

10. The optical module tab unlocking structure of claim 9, wherein: an inclined plane matched with the inclined plane of the lug is arranged in the avoiding groove.