A housing assembly and an FTTR device
By designing an arc-shaped receiving groove and limiting components for the housing assembly, the problem of inconvenient storage of fiber optic cables in FTTR equipment was solved, and the stability of signal transmission was improved.
Patent Information
- Application Number
- CN202522465176.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-20
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-11-20
AI Technical Summary
In existing FTTR equipment, the fiber optic cables located outside the housing are inconvenient to store and are prone to excessive bending angles, which affects the stability of signal transmission.
A housing assembly is designed, including a housing, an optical fiber connector, and a limiting component. The housing has an arc-shaped receiving groove and a limiting component. The optical fiber connector is connected to the optical fiber cable, and the limiting component is used to restrict the optical fiber cable in the receiving groove to prevent it from detaching.
This achieves efficient arrangement of fiber optic cables, avoids large-angle bends, and improves the stability of signal transmission.
Smart Images

Figure CN224946228U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of FTTR equipment technology, and in particular to a housing assembly and FTTR equipment. Background Technology
[0002] FTTR equipment refers to fiber-to-the-room equipment, a network networking technology solution used in homes or small businesses.
[0003] An existing FTTR device includes a housing, a circuit board, a chip, a fiber optic interface, and an antenna. The housing has a mounting cavity, the circuit board is installed in the mounting cavity, the chip is arranged on the circuit board and electrically connected to the circuit board by soldering, the antenna is electrically connected to the circuit board, and the fiber optic interface is electrically connected to the circuit board and exposed outside the housing. The fiber optic interface is for connecting external fiber optic cables. The fiber optic cable transmits the optical signal to the circuit board through the fiber optic interface, the circuit board transmits the optical signal to the chip, the chip converts the optical signal into an electrical signal and transmits it to the antenna, and the antenna radiates electromagnetic wave signals outward, thereby providing a network for audio-visual equipment in the environment where the FTTR device is located.
[0004] However, existing FTTR equipment has fiber optic cables located outside the housing that are inconvenient to store and are prone to excessive bending angles, which affects the stability of signal transmission. Summary of the Invention
[0005] This utility model provides a housing assembly and an FTTR device, aiming to solve the problem that existing FTTR devices have fiber optic cables located outside the housing that are inconvenient to store and prone to excessive bending angles.
[0006] To address the aforementioned issues, this utility model provides a housing assembly, including a housing, an optical fiber connector, and a limiting assembly. The housing has a mounting cavity suitable for mounting a circuit board of an FTTR device. The housing has a first side and a second side opposite to each other along a first direction. The first side has a first mounting groove, and the first mounting groove has a mounting hole communicating with the mounting cavity. The optical fiber connector passes through the mounting hole and is connected to the housing. The first mounting groove has an arc-shaped receiving groove on the inner wall of the groove facing away from the second side. The receiving groove is arranged around the optical fiber connector. The outer shell has a first inlet and an outlet communicating with the receiving groove. The optical fiber connector is adapted to connect with an optical fiber cable that enters the receiving groove through the first inlet and extends out of the receiving groove through the outlet. The limiting component is used to restrict the optical fiber cable from detaching from the receiving groove.
[0007] Optionally, the limiting component includes a first limiting plate disposed on the bottom wall of the first mounting groove. The end of the first limiting plate near the optical fiber connector is connected to the housing, and the end of the first limiting plate away from the optical fiber connector is located above the bottom wall of the receiving groove.
[0008] Optionally, multiple first limiting plates are provided, and the multiple first limiting plates are arranged at intervals.
[0009] Optionally, the limiting component further includes a first clearance groove, which is located on the inner wall of the receiving groove on the side facing the optical fiber connector, and the first clearance groove is directly opposite the first limiting plate.
[0010] Optionally, a second mounting groove is provided on the bottom wall of the first mounting groove, the optical fiber connector is located in the second mounting groove, and the receiving groove is provided with a notch communicating with the second mounting groove, the notch forming the outlet.
[0011] Optionally, the limiting component further includes a limiting spring piece disposed in the notch. The limiting spring piece includes a first constraint portion and a second constraint portion. The first constraint portion extends along the first direction. One end of the first constraint portion near the second side is connected to the inner wall of the groove on the side of the second mounting groove facing away from the second side. The second constraint portion is perpendicular to the first constraint portion and is connected to the other end of the first constraint portion. The second constraint portion is located above the receiving groove. The limiting spring piece is used to clamp the optical fiber cable together with the receiving groove.
[0012] Optionally, the limiting component further includes a second clearance groove and a third clearance groove. The second clearance groove is disposed on the inner wall of the second mounting groove and faces the first constraint part. The third clearance groove is disposed on the inner wall of the receiving groove and faces the first constraint part.
[0013] Optionally, a first extension groove is provided on the first side, and the first inlet is connected to the first extension groove and the receiving groove.
[0014] Optionally, the housing assembly further includes a cover plate that is mounted in the first mounting slot.
[0015] According to the housing assembly provided in this utility model embodiment, the optical cable connected to the optical connector can be installed in the receiving groove, which facilitates the placement of the optical cable. The receiving groove is arc-shaped to avoid large bending of the optical cable. The limiting component can constrain the optical cable in the receiving groove to prevent the optical cable from detaching from the receiving groove.
[0016] This utility model provides an FTTR device, including a circuit board, an optical fiber cable, and the aforementioned housing assembly. The circuit board is installed in the mounting cavity, and the optical fiber connector is electrically connected to the circuit board. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the structure of a housing assembly provided in an embodiment of the present invention; Figure 2 for Figure 1 Assembly diagram of the inner shell and the light connector; Figure 3 for Figure 1 A schematic diagram of the structure of the middle cover plate.
[0019] Reference numerals in the accompanying drawings: 1. Outer shell; 2. Cover plate; 3. First mounting slot; 4. Receiving slot; 5. First limiting plate; 6. First clearance slot; 7. Clearance hole; 8. Fiber optic connector; 9. Second mounting slot; 10. Limiting spring; 11. First constraint part; 12. Second constraint part; 13. Second clearance slot; 14. Third clearance slot; 15. First inlet; 16. First extension slot; 17. Second limiting plate; 18. Second inlet; 19. Second extension slot; 20. Third limiting plate; 21. Outlet; 22. Locking hole; 23. Heat dissipation hole; 24. Locking plate. Detailed Implementation
[0020] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] One embodiment of this utility model provides an FTTR device, including a circuit board, an optical fiber cable, and a housing assembly, such as... Figures 1 to 3 As shown, the housing assembly includes a housing 1, an optical fiber connector 8, and a limiting assembly. The housing 1 has a mounting cavity suitable for mounting a circuit board of an FTTR device. The housing 1 has a first side and a second side opposite to each other along a first direction. The first side has a first mounting groove 3. The first mounting groove 3 has a mounting hole communicating with the mounting cavity. The optical fiber connector 8 passes through the mounting hole and is connected to the housing.
[0023] The circuit board is installed in the mounting cavity, and the fiber optic connector 8 is electrically connected to the circuit board.
[0024] An arc-shaped receiving groove 4 is provided on the inner wall of the first mounting groove 3 facing away from the second side. The receiving groove 4 is arranged around the optical fiber connector 8. The outer shell 1 is provided with a first inlet 15 and an outlet 21 that communicate with the receiving groove 4. The optical fiber connector 8 is adapted to connect with an optical fiber cable that enters the receiving groove 4 through the first inlet 15 and extends out of the receiving groove 4 through the outlet 21. The limiting component is used to restrict the optical fiber cable from detaching from the receiving groove 4.
[0025] In this embodiment, the optical fiber cable connected to the optical fiber connector can be installed in the receiving groove 4 to facilitate the placement of the optical fiber cable. The receiving groove 4 is arc-shaped to avoid large bending of the optical fiber cable. The limiting component can constrain the optical fiber cable in the receiving groove 4 to prevent the optical fiber cable from detaching from the receiving groove 4.
[0026] In this embodiment, the first direction is the front-to-back direction of the outer shell 1, which is also the thickness direction of the outer shell 1.
[0027] In this embodiment, the receiving tank 4 is generally annular, and the first inlet 15 and outlet 21 are connected to the receiving tank 4.
[0028] In this embodiment, there are two optical fiber connectors 8, which are respectively inserted into two spaced-apart mounting holes. The outer shell 1 is also provided with a second inlet 18. The first inlet 15 and the second inlet 18 are spaced apart along the second direction. The second inlet 18 is also connected to the receiving groove 4.
[0029] In this embodiment, the second direction is the left-right direction of the outer casing 1.
[0030] The FTTR gateway device includes a positive fiber optic cable and a negative fiber optic cable. In this embodiment, the positive fiber optic cable enters the receiving groove 4 from the first inlet 15 and extends out of the receiving groove 4 from the outlet 21 to connect with one of the fiber optic connectors 8. The negative fiber optic cable enters the receiving groove 4 from the second inlet 18 and extends out of the receiving groove 4 from the outlet 21 to connect with the other fiber optic connector 8.
[0031] In one embodiment, the limiting component includes a first limiting plate 5, which is disposed on the bottom wall of the first mounting groove 3. The end of the first limiting plate 5 near the optical fiber connector 8 is connected to the outer shell 1, and the end of the first limiting plate 5 away from the optical fiber connector 8 is located above the bottom wall of the receiving groove 4.
[0032] In this embodiment, the bottom wall of the first mounting groove 3 is the inner wall of the groove facing away from the second side of the first mounting groove 3, and the bottom wall of the receiving groove 4 is the inner wall of the groove facing away from the second side of the receiving groove 4.
[0033] In this embodiment, one end of the first limiting plate 5 is connected to the bottom wall of the first mounting groove 3, that is, one end of the first limiting plate 5 is connected to the side wall of the receiving groove 4, and the other end of the first limiting plate 5 is spaced apart from the bottom wall of the receiving groove 4 along the first direction.
[0034] In this embodiment, the first limiting plate 5 constrains the optical fiber cable in the receiving groove 4 along the first direction.
[0035] In one embodiment, multiple first limiting plates 5 are provided, and the multiple first limiting plates 5 are arranged at intervals.
[0036] In this embodiment, multiple first limiters are spaced apart along the extension direction of the receiving groove 4 to increase the limiting effect of the limiting components on the optical fiber cable and improve the stability of the optical fiber cable in the receiving groove 4.
[0037] In one embodiment, the limiting component further includes a first clearance groove 6, which is located on the inner wall of the receiving groove 4 on the side facing the optical fiber connector 8, and the first clearance groove 6 is directly opposite the first limiting plate 5.
[0038] In this embodiment, the first clearance groove 6 is directly opposite the first limiting plate 5, which can push the optical fiber cable from the gap between the first clearance groove 6 and the first limiting plate 5 into the receiving groove 4, making it convenient to install the optical fiber cable.
[0039] In one embodiment, a second mounting groove 9 is provided on the bottom wall of the first mounting groove 3, the optical fiber connector 8 is located in the second mounting groove 9, and the receiving groove 4 is provided with a notch communicating with the second mounting groove 9, the notch forming an outlet 21.
[0040] In this embodiment, the fiber optic connector 8 is positioned directly opposite the notch in the second mounting slot 9, facilitating the routing of fiber optic cables.
[0041] In this embodiment, the notch forms an outlet 21 connected to the second mounting groove 9, which facilitates design and manufacturing.
[0042] In one embodiment, the limiting component further includes a limiting spring 10 disposed in the notch. The limiting spring 10 includes a first constraint portion 11 and a second constraint portion 12. The first constraint portion 11 extends along a first direction. One end of the first constraint portion 11 near the second side is connected to the inner wall of the groove on the side of the second mounting groove 9 facing away from the second side. The second constraint portion 12 is perpendicular to the first constraint portion 11 and is connected to the other end of the first constraint portion 11. The second constraint portion 12 is located above the receiving groove 4. The limiting spring 10 is used to clamp the optical fiber cable together with the receiving groove 4.
[0043] In this embodiment, the first constraint portion 11 extends in the front-back direction, and the second constraint portion 12 is perpendicular to the first constraint portion 11.
[0044] In this embodiment, the limiting spring 10 can deform to a certain extent, that is, the first constraint part 11 can swing under the action of external force.
[0045] In this embodiment, both the first constraint part 11 and the second constraint part 12 are plate-shaped.
[0046] In this embodiment, the first constraint part 11 clamps the optical fiber cable between the first constraint part 11 and the side wall of the receiving groove 4, and the second constraint part 12 clamps the optical fiber cable between the second constraint part 12 and the bottom wall of the receiving groove 4.
[0047] In this embodiment, the limiting spring 10 facilitates the installation of fiber optic cables.
[0048] In one embodiment, the limiting component further includes a second clearance groove 13 and a third clearance groove 14. The second clearance groove 13 is disposed on the inner wall of the second mounting groove 9 and faces the first constraint part 11. The third clearance groove 14 is disposed on the inner wall of the receiving groove 4 and faces the first constraint part 11.
[0049] In this embodiment, the second clearance groove 13 is located on the side wall of the second mounting groove 9, and the second clearance groove 13 is directly opposite the first constraint part 11.
[0050] In this embodiment, the second clearance groove 13 provides swing space for the first constraint part 11, which facilitates the first constraint part 11 to clamp the optical fiber cable.
[0051] In this embodiment, the third clearance groove 14 is located on the side wall of the receiving groove 4, the third clearance groove 14 is directly opposite the first constraint part 11, and the third clearance groove 14 is located above the second clearance groove 13.
[0052] In this embodiment, the optical fiber cable can be pushed into the receiving groove 4 from the gap between the third clearance groove 14 and the second constraint part 12, which facilitates the installation of the optical fiber cable.
[0053] In one embodiment, a first extension groove 16 is provided on the first side, and a first inlet 15 is connected to the first extension groove 16 and the receiving groove 4.
[0054] In this embodiment, the first extension groove 16 is located on the first side, and the first inlet 15 is connected between the first extension groove 16 and the receiving groove 4. The first extension groove 16 allows the optical fiber cable to enter the receiving groove 4.
[0055] In this embodiment, a second limiting plate 17 is provided on the first extension groove 16, and the second limiting plate 17 limits the optical fiber cable.
[0056] In this embodiment, the second extension groove 19 is located on the first side, and the second inlet 18 is connected between the second extension groove 19 and the receiving groove 4. The second extension groove 19 allows the optical fiber cable to enter the receiving groove 4.
[0057] In this embodiment, a third limiting plate 20 is provided on the second extension groove 19, and the third limiting plate 20 limits the optical fiber cable.
[0058] In one embodiment, the bottom wall of the receiving groove 4 is provided with a clearance hole 7, which is directly opposite the first limiting plate 5.
[0059] In one embodiment, the housing assembly further includes a cover plate 2, which is mounted in the first mounting groove 3.
[0060] In this embodiment, the bottom wall of the first mounting groove 3 is provided with a locking hole 22, and the cover plate 2 is provided with a locking plate 24 on one side facing the second side, and the locking plate 24 is locked with the locking hole 22.
[0061] In this embodiment, the cover plate 2 can further constrain the optical fiber cable in the receiving groove 4.
[0062] In this embodiment, heat dissipation holes 23 are provided on both the first side and the cover plate 2.
[0063] In this embodiment, the heat dissipation hole 23 on the first side is directly opposite to the heat dissipation hole 23 on the cover plate 2.
[0064] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0065] According to the FTTR device provided in this utility model embodiment, the optical fiber cable connected to the optical fiber connector can be installed in the receiving groove 4 to facilitate the placement of the optical fiber cable. The receiving groove 4 is arc-shaped to avoid large bending of the optical fiber cable. The limiting component can constrain the optical fiber cable in the receiving groove 4 to prevent the optical fiber cable from detaching from the receiving groove 4.
[0066] In addition, one embodiment of the present invention also provides the above-mentioned housing assembly.
[0067] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.
Claims
1. A housing assembly, characterized by, The device includes a housing (1), an optical fiber connector (8), and a limiting assembly. The housing (1) has a mounting cavity suitable for mounting a circuit board of an FTTR device. The housing (1) has a first side and a second side opposite to each other along a first direction. The first side has a first mounting groove (3). The first mounting groove (3) has a mounting hole communicating with the mounting cavity. The optical fiber connector (8) passes through the mounting hole and is connected to the housing. The first mounting groove (3) has an arc-shaped receiving groove (4) on the inner wall of the groove facing away from the second side. The receiving groove (4) is arranged around the optical fiber connector (8). The outer shell (1) has a first inlet (15) and an outlet (21) communicating with the receiving groove (4). The optical fiber connector (8) is adapted to connect with an optical fiber cable that enters the receiving groove (4) through the first inlet (15) and extends out of the receiving groove (4) from the outlet (21). The limiting component is used to restrict the optical fiber cable from detaching from the receiving groove (4).
2. The housing assembly of claim 1, wherein, The limiting component includes a first limiting plate (5), which is disposed on the bottom wall of the first mounting groove (3). The end of the first limiting plate (5) near the optical fiber connector (8) is connected to the outer shell (1), and the end of the first limiting plate (5) away from the optical fiber connector (8) is located above the bottom wall of the receiving groove (4).
3. The housing assembly of claim 2, wherein, Multiple first limiting plates (5) are provided, and multiple first limiting plates (5) are arranged at intervals.
4. The housing assembly of claim 2, wherein, The limiting component also includes a first clearance groove (6), which is located on the inner wall of the receiving groove (4) facing the optical fiber connector (8), and the first clearance groove (6) is directly opposite the first limiting plate (5).
5. The housing assembly of claim 1, wherein, The bottom wall of the first mounting groove (3) is provided with a second mounting groove (9), the optical fiber connector (8) is located in the second mounting groove (9), and the receiving groove (4) is provided with a notch that communicates with the second mounting groove (9), the notch forming the outlet (21).
6. The housing assembly of claim 5, wherein, The limiting component further includes a limiting spring (10) disposed in the notch. The limiting spring (10) includes a first constraint part (11) and a second constraint part (12). The first constraint part (11) extends along the first direction. One end of the first constraint part (11) near the second side is connected to the inner wall of the groove on the side of the second mounting groove (9) facing away from the second side. The second constraint part (12) is perpendicular to the first constraint part (11) and is connected to the other end of the first constraint part (11). The second constraint part (12) is located above the receiving groove (4). The limiting spring (10) is used to clamp the optical fiber cable together with the receiving groove (4).
7. The housing assembly of claim 6, wherein, The limiting component further includes a second clearance groove (13) and a third clearance groove (14). The second clearance groove (13) is disposed on the inner wall of the second mounting groove (9) and faces the first constraint part (11). The third clearance groove (14) is disposed on the inner wall of the receiving groove (4) and faces the first constraint part (11).
8. The housing assembly of claim 1, wherein, The first side is provided with a first extension groove (16), and the first inlet (15) is connected to the first extension groove (16) and the receiving groove (4).
9. The housing assembly of claim 1, wherein, The housing assembly also includes a cover plate (2) which is mounted in the first mounting slot (3).
10. An FTTR device, characterized by, The device includes a circuit board, an optical fiber cable, and a housing assembly as described in any one of claims 1 to 9, wherein the circuit board is mounted in the mounting cavity, and the optical fiber connector (8) is electrically connected to the circuit board.
