Adapter
By introducing a ceramic sleeve holder and an elastomer into the adapter, the problem of unstable optical performance caused by improper assembly was solved, and precise docking and stable connection of optical devices were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-04-17
AI Technical Summary
Existing pre-assembled waterproof adapters and connectors are prone to misassembly during the assembly process, resulting in inaccurate alignment of the ceramic ferrule and affecting optical performance.
An adapter is designed, comprising an adapter body, a ceramic sleeve holder, and an elastomer. The elastomer provides elastic force to compensate for assembly gaps, ensuring precise alignment when the ceramic sleeve holder mates with the connector.
It effectively compensates for assembly gaps, ensures precise alignment between the ceramic sleeve and the connector, and improves optical performance and connection stability.
Smart Images

Figure CN224137487U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical fiber communication technology, and specifically to an adapter. Background Technology
[0002] With the large-scale deployment of FTTH (Fiber To The Home), pre-connected products that reduce construction costs, lower technical requirements, and simplify installation are becoming increasingly popular. Currently, waterproof fiber optic connectors and adapters that can be pre-installed on the outside of the housing are gradually being adopted. However, in practical applications, assembly issues inevitably arise, and improper assembly can affect the connection of optical components and reduce optical performance.
[0003] Currently, most pre-assembled waterproof adapters and connectors on the market use snap-fit or threaded assembly for sealing. A ceramic sleeve is fixedly installed in the middle of the adapter to help the ceramic ferrule of the connector align and connect. When there is a gap in the assembly of the connector and the adapter, the alignment of the ceramic ferrule will have a connection gap or be off-center, thus affecting the optical performance. Utility Model Content
[0004] This application provides an adapter that can compensate for the problem of unstable optical performance caused by loose assembly gaps when the adapter and connector are mated.
[0005] In a first aspect, embodiments of this application provide an adapter, the adapter comprising:
[0006] The adapter body has a first stop component on it;
[0007] A ceramic sleeve clamp is installed inside the adapter body and can move inside the adapter body during docking. The ceramic sleeve clamp is used to fix the ceramic sleeve, and a second stop is provided on the ceramic sleeve clamp.
[0008] An elastomer, one end of which abuts against the first stop and the other end of which abuts against the second stop.
[0009] In conjunction with the first aspect, in one embodiment, the adapter body is provided with a slot, and the first stop member is provided with a slot that matches the slot.
[0010] In conjunction with the first aspect, in one embodiment, the adapter body is further provided with a through hole along the axial direction, penetrating the slot, for the elastomer to pass through, and the first stop member is further provided with a baffle to close the through hole.
[0011] In conjunction with the first aspect, in one embodiment, the adapter body is further provided with a guide groove that penetrates the slot along the axial direction, and the ceramic sleeve holder is provided with a guide rail that matches the guide groove.
[0012] In conjunction with the first aspect, in one embodiment, the second stop member is provided with a first guide surface, and the adapter body is provided with a second guide surface that matches the first guide surface.
[0013] In conjunction with the first aspect, in one embodiment, the second stop is a protrusion extending radially along the ceramic sleeve clamp.
[0014] In conjunction with the first aspect, in one embodiment, one end of the adapter body is provided with a first dust cap, and the other end is provided with a second dust cap.
[0015] In conjunction with the first aspect, in one embodiment, the first dust cap includes a connecting section extending into the adapter body, the connecting section including a threaded section and a sealing section, the threaded section being threadedly connected to the adapter body, and the sealing section being provided with a sealing ring.
[0016] In conjunction with the first aspect, in one embodiment, a connecting rope is further included, the connecting rope comprising:
[0017] rope;
[0018] The first retaining ring is connected to one end of the rope and is clamped onto the adapter body;
[0019] The second clasp is connected to the other end of the rope and is fastened to the first dust cap.
[0020] In conjunction with the first aspect, in one embodiment, the elastomer is a spring.
[0021] The beneficial effects of the technical solutions provided in this application include:
[0022] The adapter in this application includes an adapter body 1, a ceramic sleeve clamping body 2, and an elastic body 3. The adapter body 1 is provided with a first stop 11; the ceramic sleeve clamping body 2 is installed inside the adapter body 1, and the ceramic sleeve clamping body 2 is provided with a second stop 21; one end of the elastic body 3 abuts against the first stop 11, and the other end abuts against the second stop 21.
[0023] When the adapter and connector are mated, the ceramic sleeve holder 2 moves as the connector is inserted. At this time, the elastic body 3 provides elastic force to the ceramic sleeve holder 2. In this way, even if there is a gap between the connector and the adapter due to improper assembly, the elastic body 3 will make up for the gap, thereby ensuring that the ceramic sleeve holder 2 and the ceramic sleeve 5 can be aligned with the connector core during mating. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 This is an exploded view of the adapter in this application;
[0026] Figure 2 This is an overall schematic diagram of the adapter in this application;
[0027] Figure 3 This is a cross-sectional view of the adapter in this application;
[0028] Figure 4 This is a front view of the adapter body in this application;
[0029] Figure 5 This is a left view of the adapter body in this application;
[0030] Figure 6 This is a schematic diagram of the structure of the first stop member in this application;
[0031] Figure 7 This is a schematic diagram of the structure of the ceramic sleeve clamp in this application;
[0032] Figure 8 This is a schematic diagram of the structure of the first dust cap in this application.
[0033] In the diagram: 1. Adapter body; 11. First stop; 111. Bayonet; 112. Baffle; 12. Slot; 13. Through hole; 14. Guide groove; 15. Second guide surface; 16. First dust cap; 161. Threaded section; 162. Sealing section; 163. Sealing ring; 17. Second dust cap; 2. Ceramic sleeve holder; 21. Second stop; 211. First guide surface; 22. Guide rail; 23. Ceramic sleeve mounting part; 3. Elastomer; 4. Connecting rope; 41. Rope; 42. First retaining ring; 43. Second retaining ring; 5. Ceramic sleeve; 6. Nut; 7. Nut sealing gasket. Detailed Implementation
[0034] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.
[0035] This application provides an adapter.
[0036] In one embodiment, reference is made to Figure 1 , Figure 1 This is a schematic diagram of the structure of an embodiment of the adapter of this application. Figure 1 As shown, the adapter includes: adapter body 1, ceramic sleeve clamping body 2, elastic body 3, connecting rope 4, ceramic sleeve 5, nut 6, and nut sealing gasket 7.
[0037] See also Figure 2 and Figure 3 The adapter body 1 is provided with a first stop 11; the ceramic sleeve clamp 2 is installed inside the adapter body 1 and can move inside the adapter body 1 during docking. The ceramic sleeve clamp 2 is used to fix the ceramic sleeve, and the ceramic sleeve clamp 2 is provided with a second stop 21; one end of the elastic body 3 abuts against the first stop 11, and the other end abuts against the second stop 21.
[0038] In this embodiment, the main function of the elastomer 3 is to provide elastic force for the ceramic sleeve clamp 2. When there is a gap between the connector and the adapter due to improper assembly, the elastomer 3 will compensate for this gap by providing elastic force, thereby ensuring that the ceramic sleeve clamp 2 and the ceramic sleeve 5 can be aligned with the connector core.
[0039] See Figure 4 As shown, in order to better fix the elastomer 3, the adapter body 1 is provided with a slot 12, and the first stop member 11 is provided with a slot 111 that matches the slot 12. That is to say, in this embodiment, the first stop member 11 is fixed to the adapter body 1 in a detachable manner, which makes it easier to install the elastomer 3.
[0040] See Figure 5 and Figure 6 As shown, further, the adapter body 1 is provided with a through hole 13 extending through the slot 12 along the axial direction for the elastic body 3 to pass through. The first stop member 11 is also provided with a baffle 112 to close the through hole 13. During assembly, the elastic body 3 is first inserted into the through hole 13, and then a certain amount of compression is applied to pass over the slot 12. Then, the latch 111 is engaged with the slot 12, so that one end of the elastic body 3 can be held by the baffle 112.
[0041] Preferably, the elastic body 3 is a spring, but other elastic elements can be selected according to the actual situation. This embodiment does not impose any restrictions here.
[0042] Preferably, see Figure 5As shown, the adapter body 1 also has a guide groove 14 extending through the slot 12 along the axial direction, and the ceramic sleeve holder 2 has a guide rail 22 that matches the guide groove 14. After setting the guide groove 14 and the guide rail 22, the ceramic sleeve holder 2 can be installed in the adapter body 1 more conveniently.
[0043] In this embodiment, the ceramic sleeve holder 2 is provided with two sets of guide rails 22, and correspondingly, two sets of guide grooves 14 are also provided on the adapter body 1. There are also two through holes 13 for the two elastic bodies 3 to pass through.
[0044] It is worth noting that, see Figure 7 As shown, the second stop 21 is provided with a first guide surface 211, and the adapter body 1 is provided with a second guide surface 15 that matches the first guide surface 211. Through the cooperation of the first guide surface 211 and the second guide surface 15, the ceramic sleeve clamp 2 can be pre-positioned, making the ceramic sleeve clamp 2 as centered as possible. In this embodiment, the first guide surface 211 and the second guide surface 15 are inclined surfaces; of course, they can also be set as spherical or other curved surfaces as needed, and this embodiment does not impose any limitations.
[0045] In some embodiments, the second stop 21 is a protrusion extending radially along the ceramic sleeve clamping body 2. Of course, it can also be designed into other shapes according to actual needs, such as a baffle, etc., which is not limited in this embodiment.
[0046] The ceramic sleeve holder 2 also includes a ceramic sleeve mounting part 23, which is used to install a ceramic sleeve 5. The ceramic sleeve 5 is used to ensure that the fiber end face of the connector is accurately aligned, so as to achieve efficient optical signal transmission.
[0047] In addition, when the adapter is not connected to the connector, a first dust cap 16 is provided at one end of the adapter body 1 and a second dust cap 17 is provided at the other end to better seal the adapter. The end with the first dust cap 16 is mainly used for mating with the waterproof connector, and the end with the second dust cap 17 is mainly used for mating with the SC connector.
[0048] See Figure 8 As shown, the first dust cap 16 includes a connecting section that extends into the adapter body 1. The connecting section includes a threaded section 161 and a sealing section 162. The threaded section 161 is used for threaded connection with the adapter body 1, and the sealing section 162 is provided with a sealing ring 163.
[0049] See Figure 1 and Figure 2 As shown, the adapter also includes a connecting rope 4, which includes a rope 41, a first retaining ring 42, and a second retaining ring 43.
[0050] The first retaining ring 42 is connected to one end of the rope 41 and is clamped onto the adapter body 1; the second retaining ring 43 is connected to the other end of the rope 41 and is clamped onto the first dust cap 16.
[0051] Understandably, the connecting rope 4 serves to connect the adapter body 1 and the first dust cap 16. When the connector is removed and the first dust cap 16 is connected to the adapter body 1, the first dust cap 16 can be prevented from being lost.
[0052] Nut 6, nut sealing gasket 7 and adapter body 1 are connected by threads, and the sealing gasket seals the sealing surface in the middle. The function is to fix the adapter to the box and seal the connection, thus ensuring the sealing performance of the adapter.
[0053] In summary, the adapter in this application includes an adapter body 1, a ceramic sleeve clamping body 2, and an elastic body 3. The adapter body 1 is provided with a first stop 11; the ceramic sleeve clamping body 2 is installed inside the adapter body 1, and the ceramic sleeve clamping body 2 is provided with a second stop 21; one end of the elastic body 3 abuts against the first stop 11, and the other end abuts against the second stop 21.
[0054] When the adapter and connector are mated, the ceramic sleeve holder 2 moves as the connector is inserted. At this time, the elastic body 3 provides elastic force to the ceramic sleeve holder 2. In this way, even if there is a gap between the connector and the adapter due to improper assembly, the elastic body 3 will make up for the gap, thereby ensuring that the ceramic sleeve holder 2 and the ceramic sleeve 5 can be aligned with the connector core during mating.
[0055] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" 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; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0056] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0057] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.
Claims
1. An adapter, characterized in that, The adapter includes: The adapter body (1) is provided with a first stop (11); A ceramic sleeve clamp (2) is installed inside the adapter body (1) and can move inside the adapter body (1) during docking. The ceramic sleeve clamp (2) is used to fix the ceramic sleeve and is provided with a second stop (21). An elastomer (3) has one end abutting against the first stop (11) and the other end abutting against the second stop (21).
2. The adapter as described in claim 1, characterized in that: The adapter body (1) is provided with a slot (12), and the first stop (11) is provided with a slot (111) that matches the slot (12).
3. The adapter as described in claim 2, characterized in that: The adapter body (1) is also provided with a through hole (13) that passes through the slot (12) along the axial direction, so that the elastic body (3) can pass through. The first stop (11) is also provided with a baffle (112) that closes the through hole (13).
4. The adapter as described in claim 2, characterized in that: The adapter body (1) is also provided with a guide groove (14) that passes through the slot (12) along the axial direction, and the ceramic sleeve clamp (2) is provided with a guide rail (22) that matches the guide groove (14).
5. The adapter as described in claim 1, characterized in that: The second stop (21) is provided with a first guide surface (211), and the adapter body (1) is provided with a second guide surface (15) that matches the first guide surface (211).
6. The adapter as claimed in claim 1, characterized in that: The second stop (21) is a protrusion extending radially along the ceramic sleeve holder (2).
7. The adapter as claimed in claim 1, characterized in that: The adapter body (1) is provided with a first dust cap (16) at one end and a second dust cap (17) at the other end.
8. The adapter as claimed in claim 7, characterized in that: The first dust cap (16) includes a connecting section extending into the adapter body (1), the connecting section including a threaded section (161) and a sealing section (162), the threaded section (161) being threadedly connected to the adapter body (1), and the sealing section (162) being provided with a sealing ring (163).
9. The adapter of claim 7, wherein, It also includes a connecting rope (4), which comprises: Rope (41); The first retaining ring (42) is connected to one end of the rope (41) and is clamped onto the adapter body (1); The second clasp (43) is connected to the other end of the rope (41) and is fastened to the first dust cap (16).
10. The adapter as claimed in claim 1, characterized in that: The elastic body (3) is a spring.