TWI642985B - Transceiver module - Google Patents

Abstract

An optical transceiver module includes a housing, a latch, and a torsion spring. The housing has a fixed post and a stop. The latch has snap tabs. The torsion spring includes a winding portion, a first extension portion, and a second extension portion. The first extension portion and the second extension portion are coupled to the winding portion, the first extension portion has a first free end, the second extension portion has a second free end, the first extension portion and the second extension portion Having a crossover point on a projection surface, the torsion spring defines a first region, a second region, a third region, and a fourth region clockwise around the intersection, the winding portion surrounding the fixing column in the first region The first free end is adapted to connect to the latch.

Description

Optical transceiver module

The invention relates to an optical transceiver module, in particular to a pluggable miniaturized optical transceiver module.

In an optoelectronic communication product, for example, a network device such as a hub, at least one optical transceiver module is usually provided to convert the optical signal into an electrical signal. The optical fiber can be connected to the network device via the optical transceiver module described above. In recent years, optical fiber products, Gigabit Interface Converter (GBIC) optical transceiver modules have been gradually replaced by Small Form Factor (SFF) optical transceiver modules, and further improved to Small Form Factor Pluggable (SFP) optical transceiver module.

The conventional pluggable miniaturized optical transceiver module mainly allows the pluggable bump to be separated from the housing by rotating the lever. However, the conventional design is inconvenient for the user to remove the fiber, first rotate the lever and pull the optical transceiver module to exit the cage.

The present invention provides an optical transceiver module for solving the problems of the prior art, including a housing, a latch, and a torsion spring. The housing has a fixed post and a stop. The latch has snap tabs. The torsion spring includes a winding portion, first An extension and a second extension. The first extension portion and the second extension portion are coupled to the winding portion, the first extension portion has a first free end, the second extension portion has a second free end, the first extension portion and the second extension portion Having a crossover point on a projection surface, the torsion spring defines a first region, a second region, a third region, and a fourth region clockwise around the intersection, the winding portion surrounding the fixing column in the first region The first free end is adapted to connect to the latch. The torsion spring is urged by the latch when the latch moves from the first latch position to the second latch position, the stop being adapted to abut the torsion spring to limit rotation of the torsion spring, the torsion spring And applying an elastic force to the latch and the stopper, and the engaging protrusion of the latch moves from the first engaging projection position to the second engaging projection position.

In an embodiment, the stop is located in the second region and is adapted to abut the first extension.

In one embodiment, the block abuts the first extension at an abutment point, and the distance of the abutment point from the intersection is less than one third of the length of the first extension.

In an embodiment, the stop is located in the third region and is adapted to abut the second extension.

In one embodiment, the stopper abuts the second extension at an abutment point, and the distance of the abutment point from the intersection is less than one third of the length of the second extension.

In one embodiment, the stopper abuts the second extension at an abutment point, and the distance of the abutment point from the second free end is less than two-thirds of the length of the second extension.

In an embodiment, the shape of the block may be a cylinder, a polygonal column or an irregular column.

In an embodiment, the optical transceiver module further includes a pull rod, wherein the latch member pivotally connects the outer casing and the pull rod.

In an embodiment, when the pull rod is translated from the first pull rod position to the second pull rod position, the latch member is rotated from the first latch member position to the second latch member position, and the engaging projection is from the first A snap tab position is moved to the second snap tab position.

In one embodiment, the latch pivots about a pivotal direction relative to the housing, the direction of extension of the mounting post being parallel to the pivotal direction.

In another embodiment, the present invention further provides an optical transceiver module including a housing, a latch, and a torsion spring. The outer casing has a fixing post and a connecting portion. The latch has snap tabs. The torsion spring includes a winding portion, a first extension portion and a second extension portion, the first extension portion and the second extension portion are connected to the winding portion, the first extension portion has a first free end, the second extension portion Having a second free end, the first extending portion and the second extending portion have intersections on a projection surface, the torsion spring defining a first region, a second region, a third region and a clockwise centering on the intersection In the fourth region, the winding portion surrounds the fixing post in the first region, the first free end is adapted to connect to the latch, and the second free end is connected to the connecting portion. The torsion spring applies an elastic force to the latch member and the connecting portion when the latch member moves from the first latch member position to the second latch member position, and the latching tab of the latch member is from the first card The bump position moves to the second snap bump position.

In an embodiment, the housing further includes a stop adapted to abut when the latch moves from the first latch position to the second latch position The torsion spring limits the amount of deformation of the torsion spring, and the torsion spring applies the elastic force to the latch, the connecting portion, and the stopper.

In an embodiment, the stop is located in the second region and is adapted to abut the first extension.

In an embodiment, the stop is located in the third region and is adapted to abut the second extension.

In an embodiment, the shape of the block may be a cylinder, a polygonal column or an irregular column.

In an embodiment, the optical transceiver module further includes a pull rod, wherein the latch member pivotally connects the outer casing and the pull rod.

In an embodiment, when the pull rod is translated from the first pull rod position to the second pull rod position, the latch member is rotated from the first latch member position to the second latch member position, and the engaging projection is from the first A snap tab position is moved to the second snap tab position.

By applying the embodiment of the present invention, the design of the latch member, the torsion spring, and the like according to the embodiment of the present invention can improve the operational reliability of the engaging projection on the movement. Moreover, in an embodiment of the invention, the pull rod causes the snap tab to sink in a translational manner and allows the optical transceiver module to be detached from the housing. Therefore, the user only needs to pull the lever to complete the unlocking and separating action, and the convenience is high.

T‧‧‧ optical transceiver module

1‧‧‧Shell

11‧‧‧Fixed column

12‧‧ ‧stop

13‧‧‧Connecting Department

14‧‧‧Upper shell

15‧‧‧ lower case

161‧‧‧First side wall

162‧‧‧second side wall

163‧‧‧ third side wall

2‧‧‧Latch

21‧‧‧Clamping bumps

22‧‧‧Latch side panel

23‧‧‧Pushing Department

3‧‧‧Torque spring

31‧‧‧First Extension

311‧‧‧The first free end

312‧‧‧Resist points

32‧‧‧Second extension

321‧‧‧Second free end

322‧‧‧Resist points

33‧‧‧Winding Department

34‧‧‧ intersection

4‧‧‧ lever

51‧‧‧First pivot

52‧‧‧Second pivot

6‧‧‧Clamping parts

A1‧‧‧ first area

A2‧‧‧Second area

A3‧‧‧ third area

A4‧‧‧ fourth area

X‧‧‧ translation direction

Y‧‧‧ pivot direction

Fig. 1A is an exploded view showing an optical transceiver module according to an embodiment of the present invention.

FIG. 1B is a perspective view showing an optical transceiver module according to an embodiment of the present invention.

Fig. 1C is a bottom view showing the optical transceiver module of the embodiment of the present invention.

Fig. 1D is a side view showing the latch of the embodiment of the present invention.

Fig. 1E is a perspective view showing the latch of the embodiment of the present invention.

Fig. 2A is a view showing the detailed structure of the torsion spring of the first embodiment of the present invention, in which the latch member is located at the first latch member position.

Fig. 2B is a view showing the detailed structure of the torsion spring of the first embodiment of the present invention, in which the latch member is located at the second latch member position.

Fig. 3A is a cross-sectional view taken along line 3A-3A of Fig. 1B, in which the latch is located at the first latch position.

Fig. 3B shows the case where the latch member is located at the second latch member position in the first embodiment of the present invention.

Fig. 4A is a cross-sectional view taken along line 4A-4A of Fig. 1B, in which the engaging projection is located at the position of the first engaging projection.

Fig. 4B is a view showing a state in which the engaging projection is located at the position of the second engaging projection in the first embodiment of the present invention.

Fig. 5A is a view showing an optical transceiver module according to a second embodiment of the present invention.

Fig. 5B is a view showing an optical transceiver module according to a third embodiment of the present invention.

Fig. 5C is a view showing an optical transceiver module according to a fourth embodiment of the present invention.

Fig. 6A is a view showing an optical transceiver module according to a fifth embodiment of the present invention.

Fig. 6B is a view showing the optical transceiver module of the sixth embodiment of the present invention.

Fig. 6C is a view showing the optical transceiver module of the seventh embodiment of the present invention.

Fig. 1A is an exploded view showing the optical transceiver module T of the embodiment of the present invention. Fig. 1B is a perspective view showing the combination of the optical transceiver module T of the embodiment of the present invention. Fig. 1C is a bottom view showing the optical transceiver module of the embodiment of the present invention. 1D The figure shows a side view of a latch of an embodiment of the invention. Fig. 1E is a perspective view showing the latch of the embodiment of the present invention. Referring to FIGS. 1A, 1B, and 1C, the optical transceiver module T of the embodiment of the present invention includes a housing 1, a latch 2, and a torsion spring 3. Referring to FIGS. 1A and 2A, in this embodiment, the outer casing 1 has a fixed post 11 and a stopper 12. The fixing post 11 and the stopper 12 are formed on one of the first side wall 161 and the third side wall 163 of the outer casing 1. A second sidewall 162 is defined between the first sidewall 161 and the third sidewall 163. The torsion spring 3 is interposed between the latching member 2 and the outer casing 1 and sleeved on the fixing post 11 . Referring to FIGS. 1D and 1E, the latch 2 has an engaging projection 21, two latch side plates 22, and a pushing portion 23.

Referring to FIG. 2A, the torsion spring 3 includes a winding portion 33, a first extension portion 31, and a second extension portion 32. The first extending portion 31 and the second extending portion 32 are connected to the winding portion 33. The first extending portion 31 has a first free end 311, and the second extending portion 32 has a second free end 321 An extension portion 31 and the second extension portion 32 have an intersection 34 on a projection surface. The torsion spring 3 defines a first area A1, a second area A2, and a second clockwise around the intersection 34. Three areas A3 and one fourth area A4. The winding portion 33 surrounds the fixing post 11 in the first area A1 , and the first free end 311 is adapted to connect the pushing portion 23 of the latch 2 .

When the latch 2 is moved from a first latch position (2A, 3A) to a second latch (2B, 3B) position, the torsion spring 3 is biased by the latch 2 One of the thrust members rotates, and the stopper 12 abuts the torsion spring 3 to restrict the rotation of the torsion spring 3, and the torsion spring 3 applies an elastic force to the pushing portion 23 of the latch member 2 and the stopper 12, At the same time, the engaging projection 21 of the latch 2 is moved from a first engaging projection position (3A, 4A) to a second engaging projection position. (Fig. 3B, 4B). In Fig. 4B, the engaging projections 21 are recessed so that the optical transceiver module can be separated from a housing.

Referring to FIG. 2A, in this embodiment, the stopper 12 is located in the third area A3 and is adapted to abut the second extension 32.

Referring to FIGS. 1A, 1B, and 1C, in an embodiment, the optical transceiver module T further includes a pull rod 4, wherein the latch 2 is pivotally connected to the outer casing 1 through the first pivot 51 and the second pivot 52. And the tie rod 4. Referring to Figures 4A, 4B, in an embodiment, when the pull rod 4 is translated from a first pull rod position (Fig. 4A) in a translational direction X to a second pull rod position (Fig. 4B), the latch The piece 2 is rotated from the first latch position (Fig. 4A) to the second latch position (Fig. 4B), and the engaging projection 21 is removed from the first engaging projection position (Fig. 4A) Move to the second engagement bump position (Fig. 4B). In this embodiment, the pull rod 4 causes the engaging protrusion 21 to sink and the optical transceiver module can be separated from the housing in a translational manner, so that the user only needs to pull the pull rod 4 to complete the unlocking and separating action. More convenient.

Referring to Figures 3A and 3B, in an embodiment, the latch member 2 is pivoted relative to the housing 1 about a pivot axis Y, the direction of extension of the mounting post 11 being parallel to the pivot axis Y.

In various embodiments, the stop may be in the shape of a cylinder, a polygonal column, or an irregularly shaped column. Referring to FIG. 5A, in this embodiment, the stopper 12 is a cylinder, and the stopper 12 is located in the second area A2 and is adapted to abut the first extension 31. In an embodiment, the stopper 12 abuts the first extending portion 31 at an abutting point 312. The distance of the abutting point 312 from the intersection 34 is less than one third of the length of the first extending portion 31. Thereby, the first extension 31 can provide a sufficient amount of elastic deformation.

Referring to FIG. 5B, in another embodiment, the stopper 12 is located in the third area A3 and is adapted to abut the second extension 32. The stop 12 abuts the second extension 32 at an abutment point 322. The distance of the abutment point 322 from the intersection 34 is less than one third of the length of the second extension 32. Referring to FIG. 5C, in another embodiment, the stopper 12 abuts the second extending portion 32 at an abutting point 322, and the distance between the abutting point 322 and the second free end 321 is less than two-thirds. The length of the second extension 32. In the above embodiment, the elastic force of the torsion spring 3 can be appropriately adjusted by adjusting the position of the stopper 12.

Referring to FIG. 6A, in another embodiment, the torsion spring 3 includes a winding portion 33, a first extension portion 31, and a second extension portion 32. The first extending portion 31 and the second extending portion 32 are connected to the winding portion 33. The first extending portion 31 has a first free end 311, and the second extending portion 32 has a second free end 321 An extension portion 31 and the second extension portion 32 have an intersection 34 on a projection surface. The torsion spring 3 defines a first area A1, a second area A2, and a second clockwise around the intersection 34. Three areas A3 and one fourth area A4. The winding portion 33 surrounds the fixing post 11 in the first area A1, and the first free end is adapted to connect the latch 2 . In this embodiment, the outer casing includes a connecting portion 13 , and the second free end 321 is connected to the connecting portion 13 . In an embodiment, the second free end 321 can be embedded in the connecting portion 13 , or The connecting portion 13 is slidably connected.

Referring to FIG. 6B, in the case where the second free end 321 is embedded in the connecting portion 13, the outer casing may still include a stopper 12. In this embodiment, the stopper 12 is adapted to abut the a torsion spring 3 for limiting the amount of deformation of the torsion spring 3, the torsion spring 3 applying to the latch 2, the connecting portion 13 and the stopper 12 The elastic force. In this embodiment, the stopper 12 is located in the second area A2 and is adapted to abut the first extension 31. Referring to FIG. 6C, in another embodiment, the stopper 12 is located in the third area A3 and is adapted to abut the second extension 32.

In the above embodiment, only the one-side torsion spring and its related structure will be described. In an embodiment, the outer side of the outer casing is provided with a torsion spring and a corresponding structure. However, the above disclosure does not limit the invention. In the embodiment of the present invention, the design of the latch member, the torsion spring, and the like according to the embodiment of the present invention can improve the operational reliability of the engaging projection on the movement.

Referring to FIGS. 1A, 1B, and 1C, in an embodiment, the outer casing includes an upper casing 14 and a lower casing 15. The combination of the upper casing 14 and the lower casing 15 increases the shielding effect and reduces the optical transceiver module. Electromagnetic interference. The upper case 14 and the lower case 15 can be sandwiched by the clamping member 6, thus forming the Small Form-factor Pluggable transceiver of the present invention.

In summary, the present invention is mainly directed to the unlocking structure of the optical transceiver module using the Pull-Tab mode. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. Any modifications and adaptations may be made without departing from the spirit and scope of the invention, and the scope of the invention is defined by the scope of the appended claims.

Claims (16)

An optical transceiver module includes: a housing having a fixing post and a stopper; a latch member having a latching projection; a torsion spring comprising a winding portion, a first extension portion and a second portion An extension portion, wherein the first extension portion and the second extension portion are connected to the winding portion, the first extension portion has a first free end, and the second extension portion has a second free end, the first extension And the second extending portion has an intersection on a projection surface, and the torsion spring defines a first region, a second region, a third region and a fourth region clockwise around the intersection. The winding portion surrounds the fixing post at the first region, the first free end being adapted to connect the latch, wherein the torque is when the latch moves from a first latch position to a second latch position The spring is urged by one of the latch members, the stopper being adapted to abut the torsion spring to limit rotation of the torsion spring, the torsion spring applying an elastic force to the latch member and the stopper, and at the same time, the latch member The engaging projection moves from a first engaging projection position A second engaging protrusion position; and a pull rod, wherein the latch member is pivotally connected to the housing and the lever. The optical transceiver module of claim 1, wherein the stopper is located in the second region and is adapted to abut the first extension. The optical transceiver module of claim 2, wherein the stopper abuts the first extension at an abutment point, and the abutment point is away from the intersection The distance is less than one third of the length of the first extension. The optical transceiver module of claim 1, wherein the stopper is located in the third region and is adapted to abut the second extension. The optical transceiver module of claim 4, wherein the stopper abuts the second extension at an abutment point, and the distance of the abutment point from the intersection is less than one third of the The length of the two extensions. The optical transceiver module of claim 4, wherein the blocking member abuts the second extending portion at an abutting point, and the distance between the abutting point and the second free end is less than two-thirds. The length of the second extension. The optical transceiver module of claim 1, wherein the block has a shape of a cylinder, a polygonal column or an irregular column. The optical transceiver module of claim 1, wherein the latch rotates from the first latch position to the second when the lever is translated from a first lever position to a second lever position The latch position is moved, and the engaging protrusion moves from the first engaging projection position to the second engaging projection position. The optical transceiver module according to claim 1, wherein the latch member pivots relative to the outer casing about a pivotal direction, and the extending direction of the fixing post is parallel to the pivotal direction. An optical transceiver module includes: a housing having a fixing post and a connecting portion; a latch member having a latching projection; a torsion spring comprising a winding portion, a first extending portion and a second portion An extension portion, wherein the first extension portion and the second extension portion are connected to the winding portion, The first extending portion has a first free end, and the second extending portion has a second free end, the first extending portion and the second extending portion have an intersection on a projection surface, and the torsion spring is at the intersection a first region, a second region, a third region and a fourth region are defined clockwise, the winding portion surrounds the fixing column in the first region, and the first free end is adapted to connect the latch The second free end is connected to the connecting portion, wherein the torsion spring applies an elastic force to the latch and the connecting portion when the latch moves from a first latch position to a second latch position At the same time, the engaging protrusion of the latch moves from a first engaging projection position to a second engaging projection position; and a pull rod, wherein the latch pivotally connects the outer casing and the pull rod. The optical transceiver module of claim 10, wherein the outer casing further comprises a stopper, and when the latch is moved from the first latch position to the second latch position, the stopper is adapted The torsion spring is abutted to limit the amount of deformation of the torsion spring, and the torsion spring applies the elastic force to the latch, the connecting portion and the stopper. The optical transceiver module of claim 11, wherein the stopper is located in the second region and is adapted to abut the first extension. The optical transceiver module of claim 11, wherein the stopper is located in the third region and is adapted to abut the second extension. The optical transceiver module of claim 11, wherein the block has a shape of a cylinder, a polygonal column or an irregular column. The optical transceiver module of claim 10, wherein the latch is translated when the lever is translated from a first lever position to a second lever position The piece is rotated from the first latch position to the second latch position, and the snap tab is moved from the first snap tab position to the second snap tab position. The optical transceiver module according to claim 10, wherein the latch member pivots relative to the outer casing about a pivotal direction, and the extending direction of the fixing post is parallel to the pivotal direction.