A waterproof structure for allowing an SFP optical module to be used in a humid environment

Abstract

The application provides a waterproof structure for SFP optical module used in humid environment, which comprises a shell and a button arranged on the shell; the shell comprises an optical module accommodating cavity and a connecting hole, the optical module is arranged in the optical module accommodating cavity, and the optical module connecting wire passes through the connecting hole; the position of the button corresponds to the position of the buckle of the optical module, and the button is used for pressing the buckle; the plug-in end of the optical module extends from the opening of the optical module accommodating cavity, the opening is provided with a mounting part, and a sealing structure is arranged between the mounting part and the connecting body. The waterproof structure for SFP optical module used in humid environment disclosed by the application does not change the structure and use method of the SFP optical module, is conveniently mounted on the outside of the optical module, and isolates the SFP optical module in the humid environment, so that the optical module can be normally used in the humid environment, does not need to be mounted in the equipment, does not increase the equipment volume, and is convenient for maintenance and repair.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of optical module, and particularly relates to a waterproof structure for allowing SFP optical module to be used in a humid environment. BACKGROUND

[0002] SFP is the abbreviation of SMALL FORM PLUGGABLE, and the SFP optical module is a hot plug small package module of SFP package, with a maximum speed of 10.3G and an LC interface. The working principle and structure of SFP determine that SFP is not suitable for use in a humid environment, which limits the application scenarios of the SFP optical module.

[0003] In the prior art, the device using the optical module in the humid environment needs to install the optical module and the optical fiber line into the device, and a waterproof structure is formed on the optical fiber line. However, this will result in a large device size, difficulty in plugging the optical fiber, and inconvenience in maintenance. SUMMARY

[0004] The present application provides a waterproof structure for allowing SFP optical module to be used in a humid environment to solve the above problems.

[0005] A waterproof structure for allowing SFP optical module to be used in a humid environment, comprising: a shell and a button arranged on the shell.

[0006] The shell comprises an optical module accommodating cavity and a connecting hole, the optical module is arranged in the optical module accommodating cavity, the optical module connecting line passes through the connecting hole, the position of the button corresponds to the position of the buckle of the optical module, and the button is used to press the buckle, the plug-in end of the optical module extends from the opening of the optical module accommodating cavity, the opening is provided with a mounting portion, and a sealing structure is arranged between the mounting portion and the connecting body.

[0007] Further, a bearing platform is arranged in the optical module accommodating cavity, the bearing platform is arranged on the opposite side of the button, and the position of the bearing platform corresponds to the position of the button.

[0008] Further, the optical module further comprises a connecting portion arranged between the plug-in end and the optical module connecting line, the buckle comprises a clamping portion arranged on the plug-in end and a pressing portion arranged on the connecting portion, the free end of the clamping portion abuts the inner side of the free end of the pressing portion, and when the button presses the pressing portion, the connecting portion abuts the bearing platform.

[0009] Further, the thickness of the connecting portion is greater than the thickness of the plug-in end or the diameter of the optical module connecting line, a limiting hole is arranged between the optical module accommodating cavity and the connecting hole, and when the connecting portion abuts the bearing platform, the center line of the limiting hole and the axis of the optical module connecting line are in the same horizontal plane.

[0010] Further, the shell is provided with a limiting part, the limiting part is provided with a limiting hole, the limiting hole is arranged between the optical module accommodating cavity and the connecting wire hole;

[0011] The limiting hole has a circular arc surface, the circular arc surface is adapted to the connecting wire of the optical module, the axis of the circular arc surface coincides with the axis of the connecting wire hole, and the radius of the circular arc surface is greater than the radius of the entrance of the connecting wire hole.

[0012] Further, the connecting wire hole is a tapered hole, the connecting wire of the optical module is provided with a tapered section, and the tapered section is arranged in the tapered hole.

[0013] Further, the shell is provided with a plurality of optical module accommodating cavities, and each optical module accommodating cavity is provided with the button.

[0014] Further, a plurality of optical modules are arranged in the optical module accommodating cavity, a pressing plate is arranged between the button and the buckle, and the pressing plate abuts against each buckle.

[0015] Further, the mounting part includes elastic clamping jaws arranged at two ends of the shell, and the elastic clamping jaws are clamped into clamping grooves on the connecting main body.

[0016] The sealing structure includes a sealing groove and a sealing ring arranged in the sealing groove.

[0017] Further, the mounting part includes a pressing part and an elastic member arranged at two ends of the shell, the connecting main body is provided with a slot, the elastic member presses the pressing part on the connecting main body, and two ends of the elastic member are inserted into the slot.

[0018] The sealing structure includes a sealing groove and a sealing ring arranged in the sealing groove.

[0019] The waterproof structure disclosed by the application can be used for SFP optical modules in a humid environment, does not change the structure and use method of the SFP optical module, is conveniently installed outside the optical module, and isolates the SFP optical module from the humid environment, so that the optical module can be normally used in the humid environment, does not need to be installed in the interior of equipment, does not increase the volume of the equipment, and is convenient for maintenance and repair. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1This is a schematic diagram of a waterproof structure for mounting optical modules in a humid environment, according to Embodiment 1 of the present invention.

[0022] Figure 2 This is a schematic diagram of a waterproof structure that allows an SFP optical module to be used in a humid environment, according to Embodiment 1 of the present invention.

[0023] Figure 3 This is a top view schematic diagram of a waterproof structure that allows SFP optical modules to be used in humid environments, according to Embodiment 1 of the present invention.

[0024] Figure 4 for Figure 3 A stereoscopic cross-sectional view from the perspective of the middle AA (analogous to ...

[0025] Figure 5 This is a side view schematic diagram of a waterproof structure that allows SFP optical modules to be used in humid environments, according to Embodiment 1 of the present invention.

[0026] Figure 6 for Figure 5 A cross-sectional view from the perspective of the middle BB (Black-Body) section;

[0027] Figure 7 This is a schematic diagram of a waterproof structure disclosed in Embodiment 2 of the present invention that allows an SFP optical module to be used in a humid environment;

[0028] Figure 8 This is a schematic diagram of the mounting structure disclosed in Embodiment 2 of the present invention;

[0029] Figure 9 This is a schematic diagram of the mounting structure disclosed in Embodiment 3 of the present invention.

[0030] In the picture:

[0031] 1. Housing; 11. Optical module housing cavity; 12. Connection hole; 13. Mounting part; 14. Support; 15. Limiting part; 16. Limiting hole; 17. Elastic claw; 18. Pressing part; 19. Elastic element; 20. Slot;

[0032] 2. Optical module; 21. Snap-fit; 211. Engaging part; 212. Pressing part; 22. Plug-in end; 23. Connecting part; 24. Optical module connection cable; 25. Tapered section;

[0033] 3. Buttons;

[0034] 4. Press plate;

[0035] 5. Sealing structure; 51. Sealing groove. Detailed Implementation

[0036] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0037] Embodiment 1

[0038] As shown in Figure 1 , Figure 2 , a waterproof structure allowing SFP optical modules to be used in humid environments comprises a shell 1 and a button 3 arranged on the shell 1.

[0039] The shell 1 comprises an optical module accommodating cavity 11 and a wire hole 12, an optical module 2 is arranged in the optical module accommodating cavity 11, an optical module wire 24 passes through the wire hole 12, the position of the button 3 corresponds to the position of a buckle 21 of the optical module 2, and the button 3 is used to press down the buckle 21, a plug end 22 of the optical module 2 extends from an opening of the optical module accommodating cavity 11, and a mounting portion 13 is arranged at the opening, and a sealing structure 5 is arranged between the mounting portion 13 and a connection main body.

[0040] The waterproof structure allowing SFP optical modules to be used in humid environments disclosed in the present application does not change the structure and use method of the SFP optical module, is conveniently mounted on the outside of the optical module, and isolates the SFP optical module in the humid environment, so that the optical module can be normally used in the humid environment, and does not need to be installed in the interior of equipment, does not increase the volume of the equipment, and is convenient for maintenance and repair.

[0041] The optical module wire 24 is closely attached to the wire hole 12, the mounting portion 13 is closely attached to the connection main body on which the optical module needs to be mounted, the mounting portion 13 and the connection main body can be fastened and connected through screws, a sealing structure is arranged between the mounting portion 13 and the connection main body, the button is a flexible waterproof button, and the button is closely attached to the shell 1 to avoid humid air from entering.

[0042] The button is pressed down to open the buckle of the optical module, and the optical module is conveniently disassembled and connected.

[0043] As shown in Figures 3-6 , in the embodiment, a bearing platform 14 is arranged in the optical module accommodating cavity 11, the bearing platform 14 is arranged at the opposite side of the button 3, and the position of the bearing platform 14 corresponds to the position of the button 3.

[0044] When the button is pressed down, the buckle of the optical module is stressed, and in order to avoid the position of the optical module from being deviated, the bearing platform 14 is arranged in the embodiment and abuts against the optical module 223.

[0045] Specifically, the optical module 2 in the embodiment further comprises a connecting portion 23 arranged between the plug-in end 22 and the optical module connecting line 24, the buckle 21 comprises a clamping portion 211 arranged on the plug-in end 22 and a pressing portion 212 arranged on the connecting portion 23, the free end of the clamping portion 211 abuts the inner side of the free end of the pressing portion 212, and when the button 3 presses the pressing portion 212, the connecting portion 23 abuts the bearing platform 14.

[0046] The pressing portion 212 is fixed on the connecting portion 23 at one end and is bendable, and when pressed, the clamping portion 211 is pressed downward, and at the same time, the connecting portion 23 is stressed, the connecting portion 23 abuts the bearing platform 14, and the position of the optical module is prevented from being deviated.

[0047] In the embodiment, the thickness of the connecting portion 23 is greater than the thickness of the plug-in end 22 or the diameter of the optical module connecting line 24, a limiting hole 16 is arranged between the optical module accommodating cavity 11 and the connecting line hole 12, and when the connecting portion 23 abuts the bearing platform 14, the center line of the limiting hole 16 and the axis of the optical module connecting line 24 are in the same horizontal plane.

[0048] In the embodiment, the diameter of the limiting hole 16 is slightly greater than the diameter of the optical module connecting line, which facilitates the connecting line to pass through the limiting hole, and at the same time, the diameter of the limiting hole 16 is less than the thickness of the connecting portion 23, so as to ensure that the waterproof structure disclosed in the embodiment has a compact shape, is convenient to install and use, and in order to facilitate the installation of the optical module and avoid the interference between components, the height of the bearing platform 14 is lower than the limiting hole 16, so that the optical module and the optical module connecting line will not be bent and twisted, and remain in a natural and relaxed state, thereby prolonging the service life.

[0049] The limiting hole 16 in the embodiment is arranged in the limiting portion 15, and the limiting portion 15 is arranged in the shell 1.

[0050] The limiting hole 16 has a circular arc surface, the circular arc surface is adapted to the optical module connecting line 24, the axis of the circular arc surface coincides with the axis of the connecting line hole 12, and the radius of the circular arc surface is greater than the radius of the entrance of the connecting line hole 12.

[0051] The circular arc surface limits the left and right shaking of the optical module connecting line, and the stability of the optical module is stronger during plugging and use.

[0052] The connecting line hole 12 is a tapered hole, the optical module connecting line 24 is provided with a tapered section 25, and the tapered section 25 is arranged in the tapered hole.

[0053] The optical module connecting line 24 is inserted along the axis direction of the tapered hole until it is fastened, so as to ensure the close fit between the optical module connecting line and the shell and prevent humid air from entering.

[0054] In this embodiment, the housing 1 has two optical module receiving cavities 11, and each optical module receiving cavity 11 is equipped with a button 3. The button 3 independently operates each optical module 2. Multiple optical module receiving cavities 11 can also be provided as needed to meet usage requirements.

[0055] In this embodiment, the mounting part includes a through hole, through which the housing 1 is fixed to the connecting body by screws passing through the through hole. The sealing structure 5 includes a sealing groove 51 and a sealing ring disposed within the sealing groove 51. The sealing ring isolates the optical module housing 11 from the external humid environment, ensuring the normal operation of the optical module.

[0056] Example 2:

[0057] like Figure 7 As shown, this embodiment differs from embodiment 1 in that the housing has a light module receiving cavity 11, the light module receiving cavity 11 is provided with a plurality of light modules 2, and a pressure plate 4 is provided between the button 3 and the buckle 21, the pressure plate 4 abutting against each of the buckles 21.

[0058] In this embodiment, two buttons 3 are provided. The pressing plate is connected to the bottom of the button 3. When the two buttons are pressed down at the same time, the pressing part 4 moves downward as a whole, so that each buckle opens at the same time, which is convenient for plugging and unplugging multiple optical modules at the same time.

[0059] like Figure 8 As shown, the mounting part 13 in this embodiment includes elastic claws 17 disposed at both ends of the housing 1, and the elastic claws 17 engage with the slots on the connecting body;

[0060] The sealing structure 5 includes a sealing groove 51 and a sealing ring disposed in the sealing groove 51.

[0061] As the optical module is inserted into the connecting body, the elastic claw 17 also snaps into the slot, completing the seal and making operation convenient.

[0062] Example 3:

[0063] like Figure 9 As shown, this embodiment differs from Embodiment 1 in that the mounting part 13 includes a crimping part 18 and an elastic member 19 disposed at both ends of the housing 1, the connecting body is provided with a slot 20, the elastic member 19 presses the crimping part 18 onto the connecting body, and both ends of the elastic member 19 are inserted into the slot 20;

[0064] The sealing structure 5 includes a sealing groove 51 and a sealing ring disposed in the sealing groove 51.

[0065] The elastic member in the embodiment is a spring sheet, both ends of the spring sheet have plug-in parts parallel to the connecting body, the middle part of the spring sheet is concave to the crimping part 18, in use, the optical module is inserted into the connecting body, the shell 1 is attached to the connecting body, then the both ends of the spring sheet are pinched in the middle, the two plug-in parts are inserted into the insertion slot 20, and the sealing is completed.

[0066] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A waterproof structure for allowing an SFP optical module to be used in a humid environment, characterized by, The application relates to a shell (1) and a button (3) arranged on the shell (1). The shell (1) comprises a light module accommodating cavity (11) and a wire hole (12), a light module (2) is arranged in the light module accommodating cavity (11), a light module wire (24) passes through the wire hole (12), the position of the button (3) corresponds to the position of a buckle (21) of the light module (2) and the button (3) is used for pressing the buckle (21), a plug end (22) of the light module (2) extends from an opening of the light module accommodating cavity (11), the opening is provided with a mounting part (13), and a sealing structure (5) is arranged between the mounting part (13) and a connecting main body. A supporting platform (14) is arranged in the light module accommodating cavity (11) and the supporting platform (14) is arranged on the opposite side of the button (3) and corresponds to the position of the button (3). The light module (2) further comprises a connecting part (23) arranged between the plug end (22) and the light module wire (24), the buckle (21) comprises a clamping part (211) arranged on the plug end (22) and a pressing part (212) arranged on the connecting part (23), the free end of the clamping part (211) abuts the inner side of the free end of the pressing part (212), and when the button (3) presses the pressing part (212), the connecting part (23) abuts the supporting platform (14). The thickness of the connecting part (23) is greater than the thickness of the plug end (22) or the diameter of the light module wire (24), a limiting hole (16) is arranged between the light module accommodating cavity (11) and the wire hole (12), and when the connecting part (23) abuts the supporting platform (14), the center line of the limiting hole (16) and the axis of the light module wire (24) are in the same horizontal plane. A limiting part (15) is arranged in the shell (1), the limiting part (15) has the limiting hole (16), and the limiting hole (16) is arranged between the light module accommodating cavity (11) and the wire hole (12).

2. The waterproof structure of claim 1, wherein, The limiting hole (16) has a circular arc surface, the circular arc surface is adapted to the light module wire (24), the axis of the circular arc surface coincides with the axis of the wire hole (12), and the radius of the circular arc surface is greater than the inlet radius of the wire hole (12). The wire hole (12) is a tapered hole, and the light module wire (24) is provided with a tapered section (25), and the tapered section (25) is arranged in the tapered hole.

3. The waterproof structure of claim 1, wherein, A plurality of light module accommodating cavities (11) are arranged in the shell (1), and each light module accommodating cavity (11) is provided with the button (3).

4. The waterproof structure of claim 1, wherein, A plurality of light modules (2) are arranged in the light module accommodating cavity (11), a pressure plate (4) is arranged between the button (3) and the buckle (21), and the pressure plate (4) abuts each buckle (21).

5. The waterproof structure of SFP optical module used in humid environment according to claim 1, characterized in that, The mounting part (13) comprises elastic clamping claws (17) arranged at two ends of the shell (1), and the elastic clamping claws (17) are clamped into clamping grooves on the connecting main body.

6. The waterproof structure of SFP optical module used in humid environment according to claim 1, characterized in that, ​ The sealing structure (5) comprises a sealing groove (51) and a sealing ring arranged in the sealing groove (51).

7. The waterproof structure of claim 1, wherein, The mounting part (13) comprises a crimping part (18) and an elastic member (19) arranged at both ends of the shell (1), the connecting body is provided with a slot (20), the elastic member presses the crimping part (18) on the connecting body, and both ends of the elastic member are inserted into the slot (20); The sealing structure (5) comprises a sealing groove (51) and a sealing ring arranged in the sealing groove (51).

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