Pluggable optical module and optical communication device

Abstract

The present application discloses a pluggable optical module and optical communication equipment. The optical module includes: a shell, the shell has multiple faces, the multiple faces are arranged along the circumference and surround to form a receiving cavity; an optical device is arranged in the receiving cavity of the shell, and the optical device is used to realize the conversion between optical signals and electrical signals; an elastic structural member is sleeved on the shell, and the elastic structural member includes: a main body, the main body is arranged around multiple faces of the shell, and fits with the shell; wherein, one end of each part of the main body is provided with an elastic part, and the other end is provided with a bending part; the elastic part is protruding relative to the shell; a groove is provided on the shell, and the bending part is bent toward the shell relative to the main body and is located in the groove. By providing a bending part on the elastic structural member and cooperating with the groove of the shell, the elastic structural member can be well fixed on the shell of the optical module to minimize the possibility of electromagnetic wave overflow and shield electromagnetic interference.

Description

Technical Field

[0001] This application belongs to the technical field of optical communication, and particularly relates to a pluggable optical module and an optical communication device. Background Art

[0002] With the increasing trend of optical communication products towards miniaturization, high integration, and high speed, optical modules such as SFP (Small Form-factor Pluggable) or SFP+ are widely used.

[0003] The optical module is provided with an elastic structural member. During the process of the optical module cooperating with other devices to achieve functions such as photoelectric conversion or electro-optical conversion, the elastic structural member will be connected between the housing of the optical module and other devices to prevent the electromagnetic waves inside the device from overflowing and shield electromagnetic interference as much as possible. However, after the optical module is used multiple times, the elastic structural member is likely to become loose from the housing, resulting in a deterioration of the shielding effect of the elastic structural member. Summary of the Invention

[0004] This application provides a pluggable optical module and an optical communication device to improve the problem that the shielding effect of the elastic structural member deteriorates after the optical module is used multiple times.

[0005] To improve the above technical problems, this application provides a pluggable optical module, including: a housing having a plurality of surfaces arranged circumferentially and enclosing to form a receiving cavity; an optical device disposed in the receiving cavity of the housing for converting between optical signals and electrical signals; an elastic structural member sleeved on the housing, the elastic structural member including: a main body portion wound around the plurality of surfaces of the housing and in contact with the housing; wherein, elastic portions are provided at one end of the main body portion along the axial direction, and bending portions are provided at the other end along the axial direction; the elastic portions protrude relative to the housing; grooves are provided on the housing, and the bending portions bend towards the housing relative to the main body portion and are located in the grooves. It should be understood that through the cooperation of the bending portions and the grooves of the housing, the elastic structural member and the edges of the elastic structural member are relatively less likely to come into contact with the cages of other devices; thus, to a certain extent, mutual scraping between the elastic structural member and the cages can be avoided, ensuring that after the optical module is used multiple times, the elastic structural member can still be well clamped between the housing and the cages to shield electromagnetic interference and ensure the normal operation of the optical module.

[0006] In some embodiments, the housing further has a boss; the boss is located on one side of the groove and away from the elastic structure. It should be understood that during the process of inserting the optical module into the cage, the boss will come into contact with the inner wall of the cage first. In contrast, the boss forms a certain angle with the inner wall of the cage, and the bent portion of the subsequent elastic structure is less likely to contact the inner wall of the cage, ensuring smooth insertion and extraction of the optical module; thus, when the optical module is in use, the elastic structure can be well clamped between the housing and the cage to shield electromagnetic interference.

[0007] In some embodiments, the height difference between the boss and the groove is greater than the height difference between the main body portion and the groove; or, the height difference between the boss and the groove is equal to the height difference between the main body portion and the groove. Based on this, during the process of inserting and extracting the optical module, it is possible to prevent the edge of the bent portion from scraping against the inner wall of the cage, reducing the possibility of deformation of the elastic structure during insertion and extraction, and ensuring the electromagnetic wave shielding effect of the elastic structure.

[0008] In some embodiments, the shape of the boss is elongated, and the boss is arranged around one side of the groove. It should be understood that this elongated boss can increase the probability of contact with the inner wall of the cage to smoothly insert and extract the optical module.

[0009] In some embodiments, the number of bosses is multiple, and the multiple bosses are spaced apart on one side of the groove. It should be understood that these multiple bosses can also increase the possibility of contact with the inner wall of the cage, facilitating the smooth insertion and extraction of the optical module.

[0010] In some embodiments, the included angle between the bent portion and the main body portion is 8° to 20°. Due to this relatively small included angle, in the manufacturing process of the elastic structure, it is convenient to form the bent portion, improving the manufacturing efficiency of the elastic structure. And during the process of inserting or extracting the optical module into or out of the cage, since the included angle between the main body portion and the bent portion is small, even if there is a possibility of contact between the inner wall of the cage and the bent portion, it can relatively smoothly transition to the contact between the main body portion and the inner wall of the cage; thus, there is no feeling of jamming during the process of inserting and extracting the optical module, reducing the possibility of deformation of the elastic structure to ensure the shielding effect and improving the user experience of the optical module.

[0011] The embodiment of the present application also provides another pluggable optical module, including: a housing having a plurality of faces circumferentially arranged and surrounding to form a receiving cavity; an optical device disposed in the receiving cavity of the housing for converting between optical signals and electrical signals; a main body portion wound around the plurality of faces of the housing and fitting with the housing; wherein, elastic portions are provided at one end of the main body portion along the axial direction; the elastic portions protrude relative to the housing; the housing has a boss located on one side of the elastic structure member and away from the elastic portion. It should be understood that based on the structure of the boss, during the process of inserting the optical module into the cage, the boss will first contact the inner wall of the cage. Conversely, the boss will form a certain angle with the inner wall of the cage, and the subsequent bent portion of the elastic structure member will be less likely to contact the inner wall of the cage, ensuring smooth insertion and extraction of the optical module. Based on the structure of the boss, after the optical module is used multiple times, the elastic structure member can still be well clamped between the housing and the cage to shield electromagnetic interference.

[0012] In some embodiments, the optical module further includes a conductive rubber ring for sleeving on the transceiver end of the optical device. An optical port is provided in the housing for the transceiver end of the optical device to be inserted; the conductive rubber ring is sealed between the transceiver end and the housing. Based on this, the conductive rubber ring can cooperate with the housing, the elastic structure member, and the cage to shield electromagnetic interference at the optical port and ensure the normal operation of the optical module.

[0013] In some embodiments, the elastic portion includes a plurality of spaced-apart abutting pieces, and a gap is formed between adjacent two abutting pieces. One end of the gap is an open end, and the other end is a closed end, and the closed end is an arc-shaped notch formed on the main body portion. Based on this, the width of the connecting end of each abutting piece is relatively smaller than other ends (such as the free end or the abutting end) to reduce the stress of elastic deformation of the abutting piece and facilitate the user to insert and extract the optical module. In addition, based on these notches, the stress of bending the main body portion can also be reduced, facilitating the main body portion to be bent to form a plurality of faces and adapt to the outer contour of the housing.

[0014] In some embodiments, the shell includes a top surface, a first side surface, a bottom surface, and a second side surface connected in sequence; a positioning column is provided on the top surface, and a buckle is provided on the bottom surface; the main body includes a first part, a second part, and a third part connected in sequence; the first part fits with the first side surface, the second part fits with the top surface, and the third part fits with the second side surface; the main body also includes two buckle parts, the two buckle parts are respectively connected to the first part and the third part, and are both away from the second part; the second part has a positioning hole, and the two buckle parts have a slot; the positioning hole is used for the positioning column to pass through; the slot is used for the buckle to buckle. Based on this, the elastic structural member can be relatively firmly set on the shell through the cooperation of the positioning hole, the slot, the positioning column, and the buckle, so that the elastic structural member can realize related connection, guidance, shielding and other functions.

[0015] In some embodiments, the junction between the bent portion and the main body is smoothly transitioned. Based on this, there is no relatively obvious crease at the junction between the bent portion and the main body. In the process of inserting or removing the optical module from the cage, even if the cage contacts the bent portion of the elastic structure, it can smoothly transition to the main body contacting the cage without problems such as jamming and scratching, thereby improving the use effect of the optical module.

[0016] In some embodiments, the abutting piece is in a convex arc shape. The convex arc-shaped abutting piece includes a connecting end, an abutting end and a free end. The abutting end is located between the connecting end and the free end. The connecting end is connected to the main body; the abutting end is used to abut the inner wall of the cage after the optical module is inserted into the cage; the free end is used to press down to abut the shell based on elastic deformation after the optical module is inserted into the cage, thereby realizing electrical connection between the shell, the elastic structural member and the cage.

[0017] The present application also provides an optical communication device, comprising: a cage, and the optical module in each of the above embodiments. The optical module is used to be inserted into the cage and used in conjunction with the cage. After the optical module is inserted into the cage, the elastic structure can be stably clamped between the housing and the cage; thus, electromagnetic interference is shielded by the cooperation of the housing, the elastic structure and the cage. In some embodiments, the optical communication device can be a router or a base station.

[0018] The present application reduces the possibility of the elastic structure and the inner wall of the cage scraping each other by setting a bending portion on the elastic structure and matching the groove of the shell, or by setting a boss on the shell, so as to ensure that the optical module can still be smoothly plugged in and out after multiple uses. Based on this, the elastic structure can be well fixed on the shell of the optical module to minimize the possibility of electromagnetic wave overflow and shield electromagnetic interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of an optical module and a cage according to an embodiment of the present application.

[0020] Figure 2 It is a top view of an optical module according to an embodiment of the present application.

[0021] Figure 3 It is an exploded schematic diagram of an optical module according to an embodiment of the present application.

[0022] Figure 4 is Figure 2 A partial enlarged schematic diagram of the optical module in region I.

[0023] Figure 5 It is a schematic diagram of an elastic structural member according to an embodiment of the present application.

[0024] Figure 6 is Figure 2 A partial enlarged schematic diagram of the optical module in region II.

[0025] Figure 7 It is a three-dimensional schematic diagram of a housing according to an embodiment of the present application.

[0026] Figure 8 It is a three-dimensional schematic diagram of a housing according to another embodiment of the present application.

[0027] Figure 9 It is a schematic diagram of an upper housing according to an embodiment of the present application.

[0028] Figure 10 It is a schematic diagram of a lower housing according to an embodiment of the present application.

[0029] Figure 11 It is a perspective view of an optical module according to an embodiment of the present application. Detailed implementation manners

[0030] For a clearer understanding of the technical features, objectives, and effects of the present application, the specific implementation manners of the present application will now be described in detail with reference to the accompanying drawings.

[0031] The optical module can be used in cooperation with other devices to achieve functions such as optoelectronic conversion and / or electro-optical conversion. For example, one end of the optical module can be inserted into the cage of other devices. The optical module is provided with optical devices, and the transceiver ends of the optical devices are located at the other end of the optical module. The transceiver ends of the optical devices can be connected to the adapter ends of the optical fibers, so that functions such as the conversion and transmission of optoelectronic signals can be achieved between the optical fibers and other devices through the optical module. Correspondingly, the optical module is provided with an elastic structural member, and the elastic structural member contacts the cage to prevent electromagnetic waves from overflowing to achieve shielding of electromagnetic interference. Based on the shielding requirements, the elastic structural member is arranged outside the housing and surrounds the housing; when the optical module is inserted into the cage, the elastic structural member is correspondingly located between the housing and the cage to connect the cage and the housing and achieve the shielding function.

[0032] However, precisely because the elastic structural member is arranged outside the housing, the elastic structural member protrudes relative to the housing. During the process of the user inserting or pulling out the optical module from the cage, due to the protruding elastic structural member, problems such as misalignment and jamming are likely to occur between the optical module and the cage, resulting in the optical module not being able to be inserted or pulled out of the cage smoothly. In addition, during the process of inserting or pulling out the cage, the elastic structural member is also likely to rub against the inner wall of the cage. And because the edge of the elastic structural member is relatively sharp, this will also wear the inner wall of the cage to a certain extent and increase the friction coefficient of the inner wall of the cage; subsequent problems such as jamming and rubbing are more likely to occur between the optical module and the cage.

[0033] It should be understood that based on the problems such as jamming and rubbing that are likely to occur between the optical module and the cage, the inner wall of the cage and the elastic structural member are likely to be scratched during the jamming or rubbing of the optical module, and the elastic structural member is also likely to have irreversible deformation, resulting in problems such as looseness and poor contact between the elastic structural member and the housing of the optical module; correspondingly, the shielding effect of the elastic structural member on electromagnetic waves will also deteriorate, thereby affecting the conversion and transmission of optoelectronic signals by the optical module.

[0034] To improve the above problems, the embodiments of the present application provide an optical module and an optical communication device using the optical module. Based on the design of the elastic structural member and the housing of the optical module, etc., the smoothness of inserting and pulling out the cage of the optical module can be improved, and the shielding effect of the elastic structural member on electromagnetic waves can be ensured to improve the use experience. It should be understood that the optical communication device can be a router or a base station, but is not limited thereto.

[0035] Please refer to Figures 1 to 11 , a pluggable optical module 100 provided by the embodiments of the present application. The optical module 100 can be inserted into or pulled out of the cage 200 smoothly to reduce the possibility of rubbing against the cage 200. It should be understood that the optical module 100 in each embodiment can include optical modules 100 of types such as SFP, SFP+, and QSFP, and there is no limitation thereto.

[0036] Please refer to the synchronization Figure 1 , Figure 2 and Figure 3 The optical module 100 includes a housing 110 and an elastic structural member 120. The housing 110 has a plurality of surfaces, which are arranged along the circumference and surround a receiving cavity. The receiving cavity can accommodate relevant electronic components to achieve functions such as photoelectric conversion and / or electro-optical conversion. It should be understood that the shape of the housing 110 in each embodiment is generally a quadrangular prism. Figures 1 to 3 In each embodiment, the length direction of the quadrangular prism is defined as the axial direction, and the direction around the axial direction is defined as the circumferential direction; it should be understood that the length direction or the axial direction also refers to the direction in which the optical module 100 is inserted into the cage 200. In other embodiments, the shape of the housing of the optical module can be changed according to needs; for example, the shape of the housing can be generally a triangular prism, a cylinder, or a semi-cylinder, etc., and the present application does not impose any limitation on this.

[0037] Please refer to Figure 3 In some embodiments, the housing 110 of the optical module 100 may be formed by combining two parts. For example, the housing 110 includes an upper housing 112 and a lower housing 114 that are opposite to each other, and the upper housing 112 and the lower housing 114 are fixed by a detachable connection such as a threaded connection or a snap-fit ​​connection.

[0038] In some other embodiments, the housing of the optical module may be composed of at least three parts; for example, the housing includes a front cover, a rear cover and a bottom shell, and the front cover and the rear cover are detachably connected to the bottom shell respectively, without limitation.

[0039] Please refer to the synchronization Figure 4 and Figure 5 In order to reduce the possibility of the optical module 100 scraping against the cage 200 during the process of inserting or removing the optical module 100 from the cage 200, the housing 110 of each embodiment has a groove 116, and the groove 116 can be inserted into the elastic structure 120 to accommodate the edge of the elastic structure 120. Accordingly, the elastic structure 120 and the edge of the elastic structure 120 are not easy to contact the cage, thereby avoiding the mutual scraping between the elastic structure 120 and the cage to a certain extent, reducing the wear between the optical module 100 and the inner wall of the cage, ensuring that the inner wall of the cage and the elastic structure 120 maintain a relatively smooth surface (that is, a low friction coefficient) to achieve smooth insertion and removal.

[0040] Please synchronize reference again Figure 4 and Figure 5The elastic structure 120 of each embodiment includes a main body 122 and a bent portion 124. The main body 122 of the elastic structure 120 includes a plurality of connected parts, and a certain angle is formed between each two adjacent parts, so that the main body 122 is in a "C" shape as a whole. The "C"-shaped main body 122 can wrap around the outer surface of the housing 110 and clamp the housing 110 to fit the housing 110 as closely as possible.

[0041] Thus, when the elastic structural member 120 is sleeved on the housing 110, the housing 110 and the elastic structural member 120 are closely connected to ensure the shielding effect of electromagnetic interference when the optical module 100 is working. It should be understood that the sleeve means that the elastic structural member 120 can stably clamp the housing 110 through its "C"-shaped main body 122, and the elastic structural member 120 is not required to surround the housing 110 in a 360° manner.

[0042] In some embodiments, corresponding to the structure of the groove 116 of the housing 110, the bending portion 124 of the elastic structural member 120 is located on one side of the main body 122 and is bent toward the housing 110 relative to the main body 122. It should be understood that Figure 4 and Figure 5 , a bending portion 124 is provided at one end of each part of the main body 122. For example: the main body includes five parts connected in sequence, and a bending portion is provided at one end of each of the five parts. In this way, in the process of plugging the optical module into the cage, based on the structure of the bending portion, the possibility of the elastic structure and the cage being scratched can be reduced. After the optical module is used many times, the elastic structure can still be well fixed between the shell and the cage to reduce the possibility of electromagnetic wave overflow.

[0043] It should be understood that the edge of the bent portion 124 is the edge of the elastic structural member 120. Figure 4 After the elastic structural member 120 is sleeved onto the housing 110 , the main body 122 of the elastic structural member 120 can fit with the housing 110 ; correspondingly, the bent portion 124 falls into the groove 116 .

[0044] In some embodiments, the bent portion 124 may be bent relative to the main body 122 to contact the groove 116; or, the bent portion 124 is bent to a lesser extent and does not contact the groove 116. This is determined by factors such as the depth of the groove 116, the length / thickness of the bent portion 124, and the angle between the bent portion 124 and the main body 122, and the present application does not impose any limitation on this.

[0045] Through the cooperation of the groove 116 of the housing 110, the main body portion 122 of the elastic structure member 120, and the bent portion 124, during the process of inserting or removing the optical module 100 into or out of the cage, the bent portion 124 is not likely to contact the cage, and the elastic structure member 120 and its edges are not likely to rub against the inner wall of the cage. This can reduce the possibility of scratching the surface of the elastic structure member 120 and the inner wall of the cage, thereby extending the service life of the elastic structure member 120 and the optical module 100 using the elastic structure member 120.

[0046] Please refer to Figure 5 , in some embodiments, the shape of the bent portion 124 is elongated. Correspondingly, the groove 116 is a strip-shaped groove 116 to facilitate accommodating the bent portion 124.

[0047] Please refer again to Figure 4 , in some embodiments, the included angle α between the elongated bent portion 124 and the main body portion 122 is exemplified as 8° to 20°. For example, the included angle α between the bent portion 124 and the main body portion 122 is 9°, 10°, 11°, 12°, 13°, 14°, 15°, 16°, 17°, 18°, or 19°. It should be understood that based on the relatively small included angle α, in the manufacturing process of the elastic structure member 120, it is convenient for the formation of the bent portion 124 to improve the manufacturing efficiency of the elastic structure member 120. And during the process of inserting or removing the optical module 100 into or out of the cage, since the included angle α between the main body portion 122 and the bent portion 124 is small (that is, the main body portion 122 and the bent portion 124 are relatively flat), even if there is a possibility that the inner wall of the cage contacts the bent portion 124, it can relatively smoothly transition to the contact between the main body portion 122 and the inner wall of the cage; thus, there will be no sense of jamming during the process of inserting and removing the optical module 100, so as to improve the use experience of the optical module 100.

[0048] In some other embodiments, the shape of the bent portion is an arc bent toward the groove. Thus, a smooth transition can be achieved between the bent portion and the main body portion, and no relatively obvious crease will be formed at the junction of the bent portion and the main body portion. Based on this, during the process of inserting or removing the optical module into or out of the cage, even if the cage contacts the bent portion of the elastic structure member, it can smoothly transition to the contact between the main body portion and the cage, and it is not easy to have problems such as jamming and rubbing, so as to ensure the electromagnetic wave shielding effect of the elastic structure member and improve the use effect of the optical module.

[0049] As analyzed above, in the optical module 100 of each embodiment, the junction between the bent portion 124 and the main body portion 122 of the elastic structure member 120 is relatively gentle. In some embodiments, even if the bent portion 124 contacts the inner wall of the cage, as the optical module 100 is inserted, the optical module 100 can smoothly transition to the contact between the main body portion 122 and the inner wall of the cage; conversely, during the process of the optical module 100 being pulled out of the cage, the contact between the main body portion 122 and the inner wall of the cage can also smoothly transition to the contact between the bent portion 124 and the inner wall of the cage. Based on this, through the cooperation of the bent portion 124 and the main body portion 122, the optical module 100 actually plays a guiding role during the process to guide the user to insert and remove the optical module 100.

[0050] Please refer to Figure 5 and Figure 6 For each embodiment, the elastic structure member 120 further includes an elastic portion 126, and the elastic portion 126 is located on the side of the main body portion 122 away from the bent portion 124; that is, along the axial direction of the optical module 100, the main body portion 122 of the elastic structure member 120 is located between the bent portion 124 and the elastic portion 126. It should be understood that for each part of the main body portion, a bent portion is provided at one end of each part, and an elastic portion is provided at the other end. Different from the bent portion 124, the elastic portion 126 protrudes relative to the main body portion 122 and has the ability of a certain elastic deformation. Thus, during the process of inserting the optical module 100 into the cage, the elastic portion 126 will first contact the cage and gradually bend towards the direction of the housing 110 by means of elastic deformation under an external acting force. It should be understood that after the optical module 100 is inserted into the cage, the elastic portion 126 abuts between the inner wall of the cage and the housing 110; thus, the optical module 100 can cooperate with the cage through the housing 110 and the elastic structure member 120 to achieve shielding of electromagnetic interference.

[0051] In some embodiments, the elastic portion 126 includes a plurality of abutting pieces 128, the plurality of abutting pieces 128 are arranged at intervals, and can all be clamped between the housing 110 and the cage by means of elastic deformation. Each abutting piece 128 is in a convex arc shape and has opposite connection ends 128a, abutting ends 128b, and free ends 128c, and the abutting ends 128b are located between the connection ends 128a and the free ends 128c. Among them, the connection end 128a is connected to the main body portion 122; the abutting end 128b is used to contact the inner wall of the cage to achieve electrical connection; the free end 128c is the end of the abutting piece 128 away from the main body portion 122. After the optical module 100 is inserted into the cage, the free end 128c is pressed down to contact the housing 110 based on elastic deformation to improve the overall connection effect among the housing 110, the elastic structure member 120, and the cage, so as to ensure the effect of shielding electromagnetic interference.

[0052] In some embodiments, a gap is formed between two adjacent abutting pieces 128. One end of the gap is an open end, i.e., the end away from the main body 122. The other end of the gap is a closed end; wherein, the closed end is an arc-shaped notch 123 formed on the main body 122. Based on the arc-shaped notch 123, the width of the connecting end 128a of each abutting piece 128 is relatively smaller than that of other ends (such as the free end 128c or the abutting end 128b), so as to reduce the stress of elastic deformation of the abutting piece 128 and facilitate the user to insert and remove the optical module 100. In addition, based on these notches 123, the stress of bending the main body 122 can also be reduced, so as to facilitate the main body 122 to be bent into multiple parts to match the outer contour of the housing 110.

[0053] Please also synchronously refer to Figure 3 and Figure 4 In order to enable the optical module 100 to smoothly perform the insertion and removal operations, in addition to providing the groove 116 on the housing 110, the optical module 100 of each embodiment also provides a boss 118 on the housing 110 to reduce the possibility of the optical module 100 being stuck. The boss 118 is located on the side of the groove 116 away from the elastic structure 120. During the process of inserting the optical module 100 into the cage, the boss 118 of the housing 110 will first extend into the cage, and then the elastic structure 120 will extend into the cage. Based on this, during the process of inserting the optical module 100 into the cage, the boss 118 will come into contact with the inner wall of the cage first; correspondingly, a certain angle will be formed between the boss 118 and the inner wall of the cage, and the subsequent bent portion 124 of the elastic structure 120 will be less likely to contact the inner wall of the cage, so as to ensure the smooth insertion and removal of the optical module 100.

[0054] Please also synchronously refer to Figure 3 and Figure 4In some embodiments, the shape of the housing 110 is generally a quadrangular prism, and the housing 110 of the quadrangular prism has four opposite side walls. A reference plane P is defined on each side wall of the housing 110, and accordingly, the boss 118 is a structure formed by the housing 110 protruding relative to the reference plane P, and the groove 116 is a structure formed by the housing 110 being recessed relative to the reference plane P. It should be understood that in the process of plugging and unplugging the optical module 100, each reference plane P and the boss 118 are relatively easy to contact the inner wall of the cage; for this, the edge of the boss 118 is a chamfered corner or a chamfered C angle. Based on this, in the process of the inner wall of the cage contacting the housing 110, it can be relatively smoothly transitioned from the reference plane to the boss 118, so as to reduce the possibility of jamming and scratching between the optical module and the cage (in the process of transitioning from the reference plane P to the boss 118). Based on this, after the optical module 100 is used many times, the elastic structural member 120 can still be well fixed on the housing 110. When the optical module 100 is subsequently used in conjunction with the cage, the elastic structural member 120 can be stably clamped between the housing 110 and the cage to shield electromagnetic interference and ensure the normal operation of the optical module 100 .

[0055] Generally, the size of the cage will be larger than the size of the optical module 100 to facilitate the insertion of the optical module 100 into the cage; this can be compared to the size relationship between a drawer and a cabinet. Based on this, during the insertion or removal of the optical module 100, the optical module 100 may not be facing the cage. In some possible embodiments, the optical module 100 is inserted or removed at a certain angle relative to the inner wall of the cage. This makes it easier for the elastic structure of the optical module to scrape against the inner wall of the cage, resulting in poor insertion and removal of the optical module.

[0056] It should be understood that the more frequently the optical module scrapes against the cage, the more likely its elastic structure will be deformed and loosened relative to the shell. As a result, after the optical module has been used a certain number of times, a gap is easily formed between the elastic structure and the shell for the elastic structure to move relative to each other. This gap prevents the elastic structure from being tightly arranged on the shell, and the shielding effect of the elastic structure on electromagnetic waves will also deteriorate. In the optical module 100 of each embodiment of the present application, the probability of the optical module 100 scraping against the inner wall of the cage can be reduced by cooperating with the boss 118 and the groove 116 of the shell 110, and the main body 122 and the bending portion 124 of the elastic structure 120, so as to ensure that after multiple uses, the elastic structure 120 can still be relatively tightly arranged on the shell 110, so as to achieve smooth plugging and unplugging of the optical module 100 and ensure the shielding effect of the elastic structure 120 on electromagnetic waves.

[0057] In the optical module 100 of each embodiment of the present application, the height difference between the boss 118 and the groove 116 is greater than the height difference between the main body 122 and the groove 116; or, the height difference between the boss 118 and the groove 116 is equal to the height difference between the main body 122 and the groove 116. Correspondingly, during the process of plugging and unplugging the optical module 100, the edge of the bent portion 124 can be prevented from scratching the inner wall of the cage to ensure the shielding effect of the elastic structural member 120. In addition, based on the structure of the boss 118, the possibility of scratching the inner wall of the cage can also be reduced.

[0058] Please refer to Figure 7 In some embodiments, the boss 118 is in a strip shape and is disposed along one side of the groove 116. The strip-shaped boss 118 can increase the contact probability with the inner wall of the cage to smoothly plug and unplug the optical module 100.

[0059] Please refer to Figure 8 In some other embodiments, the number of bosses 118 is multiple, and the multiple bosses 118 are spaced apart and arranged on the side of the groove 116 away from the elastic structure 120. Similar to the long strip bosses, the multiple bosses 118 can also improve the possibility of contact with the inner wall of the cage, so as to facilitate the smooth insertion and removal of the optical module 100.

[0060] Please refer to the synchronization Figure 5 , Figure 9 and Figure 10 In some embodiments, the housing 110 includes a top surface 110a, a first side surface 110b, a second side surface 110c, and a bottom surface 110d. The first side surface 110b is connected between the top surface 110a and the bottom surface 110d, and the second side surface 110c is also connected between the top surface 110a and the bottom surface 110d; the top surface 110a, the first side surface 110b, the second side surface 110c, and the bottom surface 110d together surround a receiving cavity to receive electronic components such as optical devices.

[0061] like Figure 5 , corresponding to the structure of the shell 110, the main body 122 includes a snap-on portion 122e, a first portion 122a, a second portion 122b, a third portion 122c and a snap-on portion 122d which are connected in sequence. Among them, the first portion 122a is in contact with the first side surface 110b, the second portion 122b is in contact with the top surface 110a, the third portion 122c is in contact with the second side surface 110c, and the two snap-on portions (122d, 122e) are in contact with the bottom surface 110d. Along the axial direction of the optical module 100, one end of the five portions (122a to 122e) is provided with an elastic portion 126, and the other end is provided with a bending portion 124, so as to facilitate the smooth insertion and removal of the optical module 100 and ensure the shielding effect of the elastic structural member 120.

[0062] In some embodiments, in order to facilitate fixing the elastic structural member 120 to the housing 110, a positioning hole 120a is provided on the second part 122b of the elastic structural member 120, and a clamping groove 120b is provided on each of the two clamping portions (122d, 122e). Correspondingly, a positioning post 110e is provided on the top surface 110a of the housing 110, and a buckle 110f is provided on the bottom surface 110d. The positioning post 110e can pass through the positioning hole 120a to determine the installation position of the elastic structural member 120. The buckle 110f can be engaged with the clamping groove 120b to fix the elastic structural member 120 to the housing 110. Thus, through the cooperation of the positioning hole 120a, the clamping groove 120b, the positioning post 110e and the buckle 110f, the elastic structural member 120 can be relatively stably arranged on the housing 110, so as to facilitate the elastic structural member 120 to realize related functions such as connection, guiding and shielding.

[0063] In some embodiments, since the positioning hole 120a and the clamping groove 120b are located on different parts of the main body portion 122, the main body portion 122 of the elastic structural member 120 can be fixed at multiple angles, ensuring the close fit between the elastic structural member 120 and the housing 110.

[0064] In some embodiments, since the functions of the groove 116 and the boss 118 are related but there are certain differences, each embodiment of the optical module 100 can also use only the structure of the boss 118 alone, and does not necessarily need to cooperate with the groove 116 and the elastic structural member 120 with the bent portion 124. That is, the housing 110 of the optical module 100 provided in each embodiment can only have the structure of the boss 118, without providing the groove 116. Correspondingly, the elastic structural member 120 can also only have the main body portion 122 and the elastic portion 126, without the bent portion 124.

[0065] It should be understood that based on the structure of the boss 118, during the process of inserting the optical module 100 into the cage, the boss 118 will come into contact with the inner wall of the cage first; correspondingly, the boss 118 will form a certain angle with the inner wall of the cage, and this angle makes the edge of the elastic structural member 120 not easy to come into contact with the inner wall of the cage, which can also ensure the smooth insertion and extraction of the optical module 100. After the optical module 100 is used multiple times, the elastic structural member 120 can still be stably fixed on the housing 110; when the optical module 100 is used later, the elastic structural member 120 can also be clamped between the housing 110 and the cage to shield electromagnetic interference and ensure the normal operation of the optical module 100.

[0066] It should be understood that the number of bosses 118 in each embodiment is not necessarily limited to be the same as the number of grooves 116, that is, the number of bosses 118 may be less than or equal to the number of grooves 116. It should be understood that the number of grooves 116 is determined based on the configuration of the bending portion 124. The relationship between the grooves 116 and the bosses 118 is described below by way of example. Figure 5 Since the main body 122 of the elastic structure 120 has five parts; correspondingly, the bending portion 124 is bent inward relative to the main body 122, so as to Figure 9 and Figure 10 The illustrated housing (112, 114) has five grooves 116. The five grooves 116 can fully accommodate the bent portion 124 of the elastic structure 120, so that the bent portion 124 can play a guiding role during the plugging and unplugging process of the optical module 100.

[0067] In order to achieve smooth insertion and removal of the optical module 100, please refer to Figure 7 , Figure 9 and Figure 10 , taking the housing 110 after the upper housing 112 and the lower housing 114 are detachably connected as an example, the number of bosses 118 is exemplified as two, and they are respectively located on both sides of the housing 110. It should be understood that based on the usage habits of some users, during the process of plugging and unplugging the optical module, the optical module will have a slight left-right shake, which can easily cause problems such as jamming and scratching between the elastic structure and the inner wall of the cage. When the optical module 100 of each embodiment of the present application shakes, the bosses 118 on both sides of the housing 110 contact the inner wall of the cage, which can reduce the above-mentioned jamming and scratching problems, so that the elastic structure 120 is well fixed on the housing 110, thereby achieving smooth plugging and unplugging of the optical module 100 and ensuring the shielding effect of the elastic structure 120 on electromagnetic waves.

[0068] As analyzed above, the optical module 100 can be used in conjunction with an optical fiber (not shown) and other equipment in the cage to achieve functions such as photoelectric conversion and / or electro-optical conversion. Correspondingly, the optical module 100 of each embodiment also includes an optical device 130; an optical port (not marked) is provided on the housing 110 of the optical module 100 for the transceiver end 132 of the optical device 130 to be inserted. It should be understood that the transceiver end 132 of the optical device 130 can be connected to the adapter end of the optical fiber to achieve the transmission of the optical signal. Since the main body of the optical device 130 is accommodated in the optical port, during the conversion and transmission of the photoelectric signal, the main body of the optical device 130 may have electromagnetic interference and affect the transmission of the optical signal. In this regard, please refer to Figure 11, To improve the shielding effect on the optical port, the optical module 100 of each embodiment further includes a conductive rubber ring 140. The conductive rubber ring 140 is elastic and can be stretched to a certain extent to be sleeved on the transceiver end 132 of the optical device 130. When the transceiver end 132 of the optical device 130 is inserted into the optical port, the conductive rubber ring 140 is sealed between the housing 110 and the transceiver end 132 of the optical device 130. Based on this, the conductive rubber ring 140 can cooperate with the housing 110, the elastic structural member 120, and the cage to shield the electromagnetic interference of the optical port and ensure the normal operation of the optical module 100.

[0069] Please refer to Figures 1 to 11 , In some embodiments, before the optical module is inserted into the cage, the optical module 100 needs to be assembled. Taking the housing 110 including the upper shell 112 and the lower shell 114 as an example, first, the conductive rubber ring 140 is sleeved on the transceiver end 132 of the optical device 130, and then the transceiver end 132 of the optical device 130 is placed at a specific position on the lower shell 114. The upper shell 112 and the lower shell 114 are detachably connected to fix the transceiver end 132 between the upper shell 112 and the lower shell 114. It should be understood that since the conductive rubber ring 140 is annular, after the optical module 100 is assembled, the annular conductive rubber ring 140 can surround the transceiver end 132 of the optical device 130 in a 360° manner. This surrounding method is not easy to form gaps between the conductive rubber ring 140, the transceiver end 132, and the housing 110. Therefore, it can provide a good shielding effect and prevent the transceiver end 132 from colliding with the housing 110.

[0070] The above-disclosed are only specific embodiments of the present application. However, the present application is not limited thereto. Those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Obviously, these modifications and variations should fall within the protection scope required by the present application. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any special limitation to the present application.

Claims

1. A pluggable optical module, characterized in that, comprising: a housing having a plurality of faces, the plurality of faces being circumferentially arranged and enclosing to form a receiving cavity; an optical device disposed in the receiving cavity of the housing, the optical device being configured to convert between optical signals and electrical signals; an elastic structural member sleeved on the housing, the elastic structural member comprising: a main body portion that surrounds the plurality of faces of the housing and is in contact with the housing; wherein, elastic portions are provided at one end of the main body portion in the axial direction, and bending portions are provided at the other end in the axial direction; the elastic portions protrude relative to the housing; grooves are provided on the housing, and the bending portions bend towards the housing relative to the main body portion and are located in the grooves; a boss is further provided on the housing, the boss being located on one side of the groove and away from the elastic structural member.

2. The optical module according to claim 1, characterized in that, the height difference between the boss and the groove is greater than the height difference between the main body portion and the groove; or, the height difference between the boss and the groove is equal to the height difference between the main body portion and the groove.

3. The optical module according to claim 1 or 2, characterized in that, the shape of the boss is elongated, and the boss surrounds one side of the groove.

4. The optical module according to claim 1 or 2, characterized in that, the number of bosses is multiple, and the multiple bosses are spaced apart and provided on one side of the groove.

5. The optical module according to any one of claims 1 to 4, characterized in that, the included angle between the bending portion and the main body portion is 8° to 20°.

6. A pluggable optical module, characterized in that, comprising: a housing having a plurality of faces, the plurality of faces being circumferentially arranged and enclosing to form a receiving cavity; an optical device disposed in the receiving cavity of the housing, the optical device being configured to convert between optical signals and electrical signals; a main body portion that surrounds the plurality of faces of the housing and is in contact with the housing; wherein, elastic portions are provided at one end of the main body portion in the axial direction; the elastic portions protrude relative to the housing; the housing has a boss, the boss being located on one side of the elastic structural member and away from the elastic portion.

7. The optical module according to any one of claims 1 to 6, characterized in that, the optical module further comprises a conductive rubber ring for sleeving on the transceiver ends of the optical device; an optical port is provided in the housing for the transceiver ends of the optical device to be inserted; the conductive rubber ring is sealed between the transceiver ends and the housing.

8. The optical module according to any one of claims 1 to 7, characterized in that, the elastic portion includes a plurality of spaced-apart abutting pieces, a gap is formed between adjacent two abutting pieces, one end of the gap is an open end, and the other end is a closed end, and the closed end is an arc-shaped notch formed on the main body portion.

9. The optical module according to claim 8, characterized in that, The abutting piece is convex-arc-shaped and includes a connecting end, an abutting end, and a free end; the connecting end is connected to the main body portion, and the abutting end is located between the connecting end and the free end.

10. The optical module according to claim 8, wherein, the housing includes a top surface, a first side surface, a bottom surface, and a second side surface connected in sequence; positioning posts are provided on the top surface, and buckles are provided on the bottom surface; the main body portion includes a first portion, a second portion, and a third portion connected in sequence; the first portion is attached to the first side surface, the second portion is attached to the top surface, and the third portion is attached to the second side surface; the main body portion further includes two buckle portions, the two buckle portions are respectively connected to the first portion and the third portion, and both are away from the second portion; the second portion has a positioning hole, and both of the two buckle portions have card slots; the positioning hole is for the positioning post to pass through; the card slot is for the buckle to be fastened.

11. An optical communication device, wherein, comprising: a cage and the optical module according to any one of claims 1 to 10, the optical module being for insertion into the cage; after the optical module is inserted into the cage, the elastic structure is clamped between the housing and the cage to shield electromagnetic interference.

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