FTTR external antenna installation structure and FTTR equipment

Abstract

The utility model provides an FTTR external antenna installation structure and an FTTR device. The FTTR external antenna installation structure can be applied to an FTTR, an FTTR-B or a broadband fusion terminal product. The adapting piece is mounted in the mounting groove through the clamping piece, so that the adapting piece can be detachably mounted on the FTTR body; according to the FTTR provided by the invention, the adapter slot is formed in the middle of the adapter, the adapter slot penetrates through the adapter along the axial direction of the adapter, and the external antenna assembly is detachably mounted in the adapter slot in the adapter, so that the external antenna assembly is mounted on the FTTR body through the adapter, and the mounting stability of the external antenna assembly is better; and convenience is provided for installation and disassembly of the external antenna assembly. The external antenna assembly can rotate around the axial direction of the adapter, so that the orientation of the external antenna assembly can be adjusted, the external antenna assembly can meet the requirement of a user for accessing a wireless network in a multi-angle scene while the external antenna assembly is effectively fixed, and the WIFI function is ensured to be stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of FTTR, especially to a kind of FTTR external antenna mounting structure and FTTR equipment. BACKGROUND

[0002] With the rapid development of Fiber to the Room (FTTR) technology, in order to meet the needs of households and enterprises for high-speed, stable network connection, FTTR equipment has become an important part to achieve this goal. FTTR equipment needs to handle a large amount of data, and also needs to support multiple functions, including the wireless WIFI function. The external antenna is an indispensable device for wireless WIFI. The existing external antenna is generally directly installed on the FTTR equipment, and the installation stability is poor. After the user adjusts the installation angle of the external antenna for several times, the external antenna may become loose, resulting in unstable WIFI function. SUMMARY

[0003] The utility model provides a kind of FTTR external antenna mounting structure and FTTR equipment to solve the problem of poor installation stability of existing external antenna.

[0004] A kind of FTTR external antenna mounting structure, including FTTR fuselage, adapter and external antenna assembly;

[0005] One side wall of the FTTR fuselage is provided with a mounting groove, and the adapter is installed in the mounting groove by a clamping piece;

[0006] The middle part of the adapter is provided with an adapter slot penetrating the adapter along the axial direction of the adapter, and the external antenna assembly is rotatably installed in the adapter slot around the axial direction of the adapter.

[0007] Preferably, the adapter includes an adapter body and a limiting protrusion extending from one end of the adapter body in the radial direction of the adapter body;

[0008] The adapter body is arranged in the mounting groove, the adapter slot is arranged in the middle part of the adapter body, and a movable slot is arranged on the outer wall of the adapter body and communicated with the adapter slot;

[0009] The clamping piece is arranged on a groove wall away from the limiting protrusion or a side wall of the FTTR fuselage, and the clamping piece abuts against the side wall of the FTTR fuselage or the groove wall away from the limiting protrusion of the movable slot.

[0010] Preferably, the outer wall of the adapter body is further provided with a flat surface adjacent to the movable slot, and the inner side of the side wall of the FTTR fuselage is provided with a stop block, and the stop block abuts against the flat surface.

[0011] Preferably, the external antenna assembly comprises an antenna support and an antenna body;

[0012] The first end of the antenna support is rotatably mounted in the adapter slot in the circumferential direction of the adapter, and the antenna body is rotatably mounted at the second end of the antenna support in the radial direction of the adapter.

[0013] Preferably, the antenna support comprises a support body, a clamping column extending from the first end of the support body in the radial direction of the support body, and a support fixing portion extending from the second end of the support body.

[0014] The clamping column is rotatably mounted in the adapter slot, and the support fixing portion is used to mount the antenna body.

[0015] Preferably, the clamping column comprises a main body portion and first and second clamping arms extending from opposite sides of the first end face of the main body portion, and the first and second clamping arms extend in the axial direction of the main body portion.

[0016] During assembly, the first and second clamping arms form an interference fit with the adapter slot.

[0017] Preferably, the first end of the first clamping arm is provided with a first clamping protrusion arranged in the radial direction of the main body portion, and the first end of the second clamping arm is provided with a second clamping protrusion arranged in the radial direction of the main body portion.

[0018] The first clamping protrusion is connected to or separated from the second clamping protrusion, so that the first and second clamping protrusions are in contact or not in contact with one end of the adapter located in the FTTR fuselage.

[0019] Preferably, one end of the adapter located outside the FTTR fuselage is provided with a limiting slot in communication with the adapter slot, and the second end of the main body portion is provided with a protrusion mounted in the limiting slot.

[0020] Preferably, the number of adapters and external antenna assemblies is multiple, and a plurality of installation slots are arranged on one side wall of the FTTR fuselage.

[0021] Each installation slot is provided with one adapter, and each adapter is provided with one external antenna assembly.

[0022] An FTTR device comprising the FTTR external antenna mounting structure.

[0023] The FTTR external antenna mounting structure provided by the embodiment of the utility model is provided with a mounting groove on one side wall of the FTTR body, the adapter is installed in the mounting groove through the clamping piece, so that the adapter can be detachably installed on the FTTR body, and the adapter provides support for the installation of the external antenna assembly. The adapter is provided with an adapter groove in the middle part, the adapter groove penetrates the adapter along the axial direction of the adapter, and the external antenna assembly is detachably installed in the adapter groove on the adapter, so that the external antenna assembly is installed on the FTTR body through the adapter, the installation stability of the external antenna assembly is better, and the installation and dismounting of the external antenna assembly are facilitated. The external antenna assembly can rotate around the axial direction of the adapter, so as to adjust the orientation of the external antenna assembly, while effectively fixing the external antenna assembly, the external antenna assembly can meet the demand of the user for accessing the wireless network in multiple angle scenes, and the stability of the WIFI function is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed to be used in the description of the embodiments of the application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 is an exploded view of the FTTR device in the embodiment of the utility model;

[0026] Figure 2 is Figure 1 is an enlarged view of A in the embodiment of the utility model;

[0027] Figure 3 is an internal structure diagram of the FTTR device in the embodiment of the utility model;

[0028] Figure 4 is Figure 3 is an enlarged view of B in the embodiment of the utility model.

[0029] 1, FTTR body; 2, adapter; 21, adapter main body; 22, limiting protrusion; 3, external antenna assembly; 31, antenna support; 311, support main body; 312, clamping column; 3121, main body part; 3122, first clamping arm; 3123, second clamping arm; 3124, first clamping protrusion; 3125, second clamping protrusion; 313, support fixing part; 32, antenna body; 4, mounting groove; 5, clamping piece; 6, adapter groove; 7, movable groove; 8, plane; 9, stop block; 10, limiting groove; 11, protruding block. DETAILED DESCRIPTION

[0030] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The embodiment of the utility model provides a kind of FTTR external antenna mounting structure, refer to Figures 1-4 The FTTR external antenna mounting structure includes FTTR body 1, adapter 2 and external antenna assembly 3;One side wall of FTTR body 1 is provided with mounting groove 4, adapter 2 is installed in mounting groove 4 by clamping piece 5;The middle part of adapter 2 is provided with adapter slot 6 that penetrates adapter 2 along the axial direction of adapter 2, and external antenna assembly 3 is rotatably installed in adapter slot 6 around the axial direction of adapter 2.

[0034] As an example, the FTTR external antenna mounting structure can be applied in FTTR, FTTR-B or broadband fusion terminal product, and is specifically used for fixing the external antenna (i.e. external antenna assembly 3) on the FTTR equipment. The FTTR external antenna mounting structure includes FTTR body 1, adapter 2 and external antenna assembly 3; when installed, a mounting groove 4 is provided on one side wall of the FTTR body 1, and the adapter 2 is installed in the mounting groove 4 through the clamping piece 5, so that the adapter 2 can be detachably installed on the FTTR body 1, and the adapter 2 provides support for the installation of the external antenna assembly 3. A adapter groove 6 is provided in the middle of the adapter 2, which penetrates the adapter 2 along the axial direction of the adapter 2, and the external antenna assembly 3 is detachably installed in the adapter groove 6 on the adapter 2, so that the external antenna assembly 3 is installed on the FTTR body 1 through the adapter 2, and the installation stability of the external antenna assembly 3 is better, and the installation and disassembly of the external antenna assembly 3 are facilitated. The external antenna assembly 3 can rotate around the axial direction of the adapter 2 to adjust the orientation of the external antenna assembly 3, while effectively fixing the external antenna assembly 3, the external antenna assembly 3 can meet the user's demand for accessing wireless network in multiple angle scenarios, so as to ensure the stability of WIFI function.

[0035] In an embodiment, referring to Figure 2 and Figure 4 , the adapter 2 includes an adapter body 21 and a limiting protrusion 22 extending from one end of the adapter body 21 in the radial direction of the adapter body 21; the adapter body 21 is arranged in the mounting groove 4, the adapter groove 6 is arranged in the middle of the adapter body 21, and the outer wall of the adapter body 21 is provided with a movable groove 7 communicating with the adapter groove 6; the clamping piece 5 is arranged on the groove wall of the movable groove 7 away from the limiting protrusion 22 or the side wall of the FTTR body 1, and the clamping piece 5 abuts against the side wall of the FTTR body 1 or the groove wall of the movable groove 7 away from the limiting protrusion 22.

[0036] As an example, the adapter 2 includes an adapter body 21 and a limiting protrusion 22. When installed, the adapter body 21 is arranged in the installation slot 4, so that the adapter 2 can be detachably installed on the FTTR machine body 1, and the adapter 2 provides support for the installation of the external antenna assembly 3. The limiting protrusion 22 is a component extending from one end of the adapter body 21 in the radial direction of the adapter body 21, and can abut against the FTTR machine body 1 to prevent the adapter 2 from being installed too much and being difficult to disassemble. The adapter slot 6 is arranged in the middle of the adapter body 21, and the movable slot 7 is arranged on the outer wall of the adapter body 21 and communicates with the adapter slot 6. The clamping piece 5 is arranged on a slot wall of the movable slot 7 away from the limiting protrusion 22, and abuts against a side wall of the FTTR machine body 1. In this way, the clamping space is formed between the limiting protrusion 22 and the clamping piece 5, and the side wall of the FTTR machine body 1 is located in the clamping space, so as to firmly install the adapter 2 on the FTTR machine body 1. The number of the movable slots 7 and the number of the clamping pieces 5 are both two, the two movable slots 7 are oppositely arranged, the two clamping pieces 5 are oppositely arranged, and each movable slot 7 is matched with a clamping piece 5. In this way, the connectivity of the adapter 2 can be further improved, and the installation of the adapter 2 is more stable and safe.

[0037] In an example, the clamping piece 5 is arranged on a side wall of the FTTR machine body 1, and abuts against a slot wall of the movable slot 7 away from the limiting protrusion 22. In this way, the adapter 2 is firmly installed on the FTTR machine body 1 by clamping the clamping piece 5 and the movable slot 7.

[0038] In an embodiment, referring to Figure 2 and Figure 4 , the outer wall of the adapter body 21 is further provided with a flat surface 8 adjacent to the movable slot 7, and the inner side of the side wall of the FTTR machine body 1 is provided with a stop block 9 abutting against the flat surface 8.

[0039] As an example, the outer wall of the adapter body 21 is further provided with a flat surface 8 adjacent to the movable slot 7, and the inner side of the side wall of the FTTR machine body 1 is provided with a stop block 9 abutting against the flat surface 8. In this way, the adapter 2 cannot be rotated, and the installation of the adapter 2 is more stable and firm, thereby improving the installation stability of the external antenna assembly 3. The number of the flat surfaces 8 and the number of the stop blocks 9 are both two, the two flat surfaces 8 are oppositely arranged, the two stop blocks 9 are oppositely arranged, and each flat surface 8 is matched with a stop block 9. In this way, the restraint force of the adapter 2 can be further increased, and the installation of the adapter 2 is more stable and firm.

[0040] In an embodiment, referring to Figure 2The external antenna assembly 3 comprises an antenna support 31 and an antenna body 32; the first end of the antenna support 31 is rotatably mounted in the adapter slot 6 in the circumferential direction of the adapter 2, and the antenna body 32 is rotatably mounted on the second end of the antenna support 31 in the radial direction of the adapter 2.

[0041] As an example, the external antenna assembly 3 comprises an antenna support 31 and an antenna body 32; during installation, the first end of the antenna support 31 is rotatably mounted in the adapter slot 6 in the circumferential direction of the adapter 2, and the antenna body 32 is rotatably mounted on the second end of the antenna support 31 in the radial direction of the adapter 2; in this way, the antenna support 31 is detachably mounted in the adapter slot 6 of the adapter 2, and the antenna support 31 is mounted on the FTTR fuselage 1 through the adapter 2, so that the installation stability of the antenna body 32 is better, and the installation and removal of the antenna body 32 are facilitated. The antenna body 32 can rotate in the radial direction of the adapter 2 and also rotate in the circumferential direction of the adapter 2, which facilitates the adjustment of the orientation of the external antenna body 32, effectively fixes the antenna body 32, and enables the antenna body 32 to meet the user's demand for accessing a wireless network in multiple angle scenarios, so as to ensure the stability of the WIFI function.

[0042] In an embodiment, referring to Figure 2 The antenna support 31 comprises a support body 311, a clamping column 312 extending from the first end of the support body 311 in the radial direction of the support body 311, and a support fixing portion 313 extending from the second end of the support body 311; the clamping column 312 is rotatably mounted in the adapter slot 6, and the support fixing portion 313 is used for mounting the antenna body 32.

[0043] As an example, the antenna support 31 comprises a support body 311, a clamping column 312, and a support fixing portion 313; the clamping column 312 is a component extending from the first end of the support body 311 in the radial direction of the support body 311, and the support fixing portion 313 is a component extending from the second end of the support body 311; during installation, the clamping column 312 is detachably mounted in the adapter slot 6 of the adapter 2, and the clamping column 312 is mounted on the FTTR fuselage 1 through the adapter 2, so that the installation stability of the antenna body 32 is better, and the installation and removal of the antenna body 32 are facilitated. The clamping column 312 is rotatably mounted in the adapter slot 6, and the antenna body 32 is rotatably mounted on the support fixing portion 313; in this way, the antenna body 32 can rotate in the radial direction of the adapter 2 and also rotate in the circumferential direction of the adapter 2, which facilitates the adjustment of the orientation of the external antenna body 32, effectively fixes the antenna body 32, and enables the antenna body 32 to meet the user's demand for accessing a wireless network in multiple angle scenarios, so as to ensure the stability of the WIFI function.

[0044] In an embodiment, referring to Figure 2 andFigure 4 The snap-fit ​​post 312 includes a main body 3121 and a first snap-fit ​​arm 3122 and a second snap-fit ​​arm 3123 extending from opposite sides of the first end face of the main body 3121, respectively. The first snap-fit ​​arm 3122 and the second snap-fit ​​arm 3123 both extend along the axial direction of the main body 3121. During assembly, the first snap-fit ​​arm 3122 and the second snap-fit ​​arm 3123 form an interference fit with the adapter groove 6.

[0045] As an example, the snap-fit ​​post 312 includes a main body 3121, a first snap-fit ​​arm 3122, and a second snap-fit ​​arm 3123. The first snap-fit ​​arm 3122 and the second snap-fit ​​arm 3123 are components that extend from opposite sides of the first end face of the main body 3121, and both the first snap-fit ​​arm 3122 and the second snap-fit ​​arm 3123 extend along the axial direction of the main body 3121. During assembly, the first snap-fit ​​arm 3122 and the second snap-fit ​​arm 3123 form an interference fit with the adapter slot 6. This arrangement allows the external antenna assembly 3 and the adapter 2 to be connected by an interference fit and a snap-fit ​​structure. The snap-fit ​​structure constrains the external antenna assembly 3 from falling off, and the interference fit ensures a good feel when the external antenna assembly 3 is rotated, providing convenience for the user to adjust the orientation of the external antenna assembly 3.

[0046] In one embodiment, reference is made to Figure 2 and Figure 4 The first end of the first latching arm 3122 is provided with a first latching protrusion 3124 arranged in the radial direction of the main body 3121, and the first end of the second latching arm 3123 is provided with a second latching protrusion 3125 arranged in the radial direction of the main body 3121; the first latching protrusion 3124 and the second latching protrusion 3125 are connected or separated, so that the first latching protrusion 3124 and the second latching protrusion 3125 are either not in contact or in contact with the end of the adapter 2 located inside the FTTR body 1.

[0047] As an example, the first end of the first latching arm 3122 is provided with a first latching protrusion 3124 arranged in the radial direction of the main body 3121, and the first end of the second latching arm 3123 is provided with a second latching protrusion 3125 arranged in the radial direction of the main body 3121; when the first latching protrusion 3124 and the second latching protrusion 3125 are in contact, the first latching protrusion 3124 and the second latching protrusion 3125 are both located at FT with the adapter 2. One end of the TR body 1 is not in contact with the adapter, which makes it easy to insert or remove the snap-fit ​​pin 312 into or from the adapter 2. When the first snap-fit ​​protrusion 3124 and the second snap-fit ​​protrusion 3125 are in contact, they are separated so that both the first snap-fit ​​protrusion 3124 and the second snap-fit ​​protrusion 3125 are in contact with the end of the adapter 2 located inside the FTTR body 1. This achieves snap-fit ​​of the snap-fit ​​pin 312 into the adapter 2 and prevents the adapter 2 from falling out of the adapter 2.

[0048] In one embodiment, reference is made to Figure 2 The adapter 2 is provided with a limiting groove 10 communicating with the adapter groove 6 at one end outside the FTTR body 1, and the main body 3121 is provided with a protrusion 11 at the second end, which is installed in the limiting groove 10.

[0049] As an example, a limiting groove 10 communicating with the adapter groove 6 is provided at one end of the adapter 2 located outside the FTTR body 1, and a protrusion 11 is provided at the second end of the main body 3121. When the main body 3121 is inserted into the adapter groove 6, the protrusion 11 is installed in the limiting groove 10, which can limit the rotation range of the main body 3121, thereby limiting the rotation range of the antenna body 32.

[0050] In one embodiment, reference is made to Figure 1 and Figure 3 There are multiple adapters 2 and external antenna assemblies 3. Multiple spaced mounting slots 4 are provided on one side wall of the FTTR fuselage 1. An adapter 2 is installed in each mounting slot 4, and an external antenna assembly 3 is installed in each adapter 2.

[0051] As an example, there are multiple adapters 2 and external antenna assemblies 3. During installation, multiple spaced mounting slots 4 are provided on one side wall of the FTTR body 1. Each mounting slot 4 houses an adapter 2, and each adapter 2 houses an external antenna assembly 3. This arrangement allows multiple external antenna assemblies 3 to be installed in multiple mounting slots 4 via multiple adapters 2, improving the installation efficiency and stability of the external antenna assemblies 3 and facilitating their installation and removal. The external antenna assembly 3 can rotate around the axial direction of the adapter 2 to adjust its orientation. This effectively secures the external antenna assembly 3 while ensuring it can meet user needs for wireless network access in various angle scenarios, guaranteeing stable Wi-Fi functionality.

[0052] This utility model embodiment provides an FTTR device, referencing... Figures 1-4 This includes the FTTR external antenna mounting structure.

[0053] As an example, the FTTR device includes an external antenna mounting structure, which can be used in FTTR, FTTR-B, or broadband converged terminal products to fix an external antenna (i.e., external antenna assembly 3) to the FTTR device. The external antenna mounting structure includes an FTTR body 1, an adapter 2, and an external antenna assembly 3. During installation, a mounting slot 4 is provided on one side wall of the FTTR body 1, and the adapter 2 is installed in the mounting slot 4 via a snap-fit ​​5. This facilitates the detachable installation of the adapter 2 onto the FTTR body 1, and the adapter 2 provides support for the installation of the external antenna assembly 3. An adapter groove 6 is provided in the middle of the adapter 2, extending through the adapter 2 along its axial direction. The external antenna assembly 3 is detachably installed in the adapter groove 6 on the adapter 2. This allows the external antenna assembly 3 to be mounted on the FTTR body 1 via the adapter 2, improving the installation stability of the external antenna assembly 3 and facilitating its installation and removal. The external antenna assembly 3 can rotate around the axial direction of the adapter 2 to adjust its orientation. While effectively fixing the external antenna assembly 3, it enables the external antenna assembly 3 to meet the user's wireless network access needs in multiple angle scenarios, ensuring stable WIFI functionality.

[0054] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention 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 the present invention, and should all be included within the protection scope of the present invention.

Claims

1. An external antenna mounting structure for FTTR, characterized in that, Including the FTTR body, adapter, and external antenna assembly; The FTTR body has a mounting groove on one side wall, and the adapter is installed in the mounting groove by a snap-fit ​​component; The adapter has an adapter groove in the middle that extends through the adapter along its axial direction, and the external antenna assembly is rotatably mounted in the adapter groove around the axial direction of the adapter.

2. The FTTR external antenna mounting structure according to claim 1, characterized in that, The adapter includes an adapter body and a limiting protrusion extending from one end of the adapter body in a radial direction. The adapter body is inserted into the mounting groove, the adapter groove is located in the middle of the adapter body, and the outer wall of the adapter body is provided with a movable groove that communicates with the adapter groove. The snap-fit ​​component is disposed on a side wall of the movable groove away from the limiting protrusion or on a side wall of the FTTR body, and the snap-fit ​​component abuts against a side wall of the FTTR body or a side wall of the movable groove away from the limiting protrusion.

3. The FTTR external antenna mounting structure according to claim 2, characterized in that, The outer wall of the adapter body is provided with a flat surface adjacent to the movable groove, and a stop block is provided on the inner side of one side wall of the FTTR body, the stop block abutting against the flat surface.

4. The FTTR external antenna mounting structure according to claim 1, characterized in that, The external antenna assembly includes an antenna bracket and an antenna body; The first end of the antenna bracket is rotatably mounted in the adapter groove around the circumferential direction of the adapter, and the antenna body is rotatably mounted on the second end of the antenna bracket around the radial direction of the adapter.

5. The FTTR external antenna mounting structure according to claim 4, characterized in that, The antenna bracket includes a bracket body, a snap-fit ​​post extending from a first end of the bracket body along the radial direction of the bracket body, and a bracket fixing part extending from a second end of the bracket body; The snap-fit ​​post is rotatably installed in the adapter slot, and the bracket fixing part is used to install the antenna body.

6. The FTTR external antenna mounting structure according to claim 5, characterized in that, The snap-fit ​​post includes a main body and a first snap-fit ​​arm and a second snap-fit ​​arm extending from opposite sides of a first end face of the main body, wherein the first snap-fit ​​arm and the second snap-fit ​​arm both extend along the axial direction of the main body. During assembly, the first snap-fit ​​arm and the second snap-fit ​​arm form an interference fit with the adapter groove.

7. The FTTR external antenna mounting structure according to claim 6, characterized in that, The first end of the first snap-fit ​​arm is provided with a first snap-fit ​​protrusion arranged in the radial direction of the main body, and the first end of the second snap-fit ​​arm is provided with a second snap-fit ​​protrusion arranged in the radial direction of the main body; The first snap-fit ​​protrusion is engaged with or disengaged from the second snap-fit ​​protrusion, such that neither the first snap-fit ​​protrusion nor the second snap-fit ​​protrusion abuts against the end of the adapter located inside the FTTR body.

8. The FTTR external antenna mounting structure according to claim 6, characterized in that, The adapter has a limiting groove at one end outside the FTTR body that communicates with the adapter slot, and a protrusion is provided at the second end of the main body, which is installed in the limiting groove.

9. The FTTR external antenna mounting structure according to claim 6, characterized in that, The number of the adapter and the external antenna assembly is multiple, and multiple spaced mounting slots are provided on one side wall of the FTTR body; Each of the mounting slots contains an adapter, and each of the adapters contains an external antenna assembly.

10. An FTTR device, characterized in that, Includes the FTTR external antenna mounting structure as described in any one of claims 1-9.

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