Cable connection structure and PXI adapter

Abstract

The utility model discloses a cable connection structure and a PXI adapter. The cable connection structure comprises a first cable connection assembly, a second cable connection assembly and a third cable connection assembly. The first cable connecting assembly comprises a first annular shell, the second cable connecting assembly comprises a second annular shell, and the second cable connecting assembly is clamped in the first cable connecting assembly through the clamping groove. The third cable connecting assembly comprises a third annular shell, and the first cable connecting assembly is in threaded connection with the interior of the third cable connecting assembly through external threads. According to the flight management computer verification system, the cables are easy to combine and separate and the cables and the equipment are easy to combine and separate through the sectional design and the flexible cable connection structure, so that the maintainability of the equipment is improved, and the stability of the flight management computer verification system is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hardware design, in particular to a cable connection structure and a PXI adapter. BACKGROUND

[0002] In a flight management computer verification system, the PXI adapter is an important tool and is widely used in performance testing of avionics equipment.

[0003] In the related art, due to the design complexity of the flight management computer verification system and the high integration of the PXI device, when a fault occurs, the maintenance process usually has a high maintenance cost because the adapter is not easy to disassemble. For example, a large number of connecting cables are provided between the various components in the PXI adapter, and these connecting cables are usually designed as a whole and cannot be tested in segments at different test stages. This means that when troubleshooting, technicians have to rely on the integrity of the entire cable and cannot perform independent detection on a specific part. In addition, when the cable has a problem, it must be replaced as a whole. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the present application is to provide a cable connection structure and a PXI adapter, which aims to solve the technical problem of high maintenance complexity of the PXI adapter in the related art.

[0005] To achieve the above-mentioned purpose, the present application provides a cable connection structure, which comprises a first cable connection component, a second cable connection component and a third cable connection component; wherein,

[0006] The first cable connection component comprises a first annular housing, the inner side of the first annular housing is provided with a clamping piece, and the outer side of the first annular housing is provided with an external thread;

[0007] The second cable connection component comprises a second annular housing, and the outer side of the second annular housing is provided with a clamping groove; wherein the outer profile radius of the second annular housing is smaller than the outer profile radius of the first annular housing, and the second cable connection component is clamped inside the first cable connection component through the clamping groove;

[0008] The third cable connection component comprises a third annular housing, and the inner side of the third annular housing is provided with an internal thread; wherein the outer profile radius of the third annular housing is greater than the outer profile radius of the first annular housing, and the first cable connection component is threadedly connected inside the third cable connection component through the external thread.

[0009] To achieve the above-mentioned purpose, the present application further provides a PXI adapter, which comprises a connector, an adapter module and a receiver connected in sequence through a connecting cable.

[0010] The connecting cable comprises a first connecting cable and a second connecting cable connected through a detachable electromagnetic shielding module; wherein,

[0011] The detachable electromagnetic shielding module is provided with the cable connecting structure described above.

[0012] In an embodiment, the first connecting cable is fixedly connected with the second cable connecting assembly of the detachable electromagnetic shielding module at one end of the first connecting cable;

[0013] One end of the second connecting cable is movably connected with the third cable connecting assembly of the detachable electromagnetic shielding module; the third cable connecting assembly is used for freely rotating through the one end of the second connecting cable;

[0014] One end of the first connecting cable is threadedly connected with one end of the second connecting cable through the first cable connecting assembly of the detachable electromagnetic shielding module by clamping.

[0015] In an embodiment, the connecting cable comprises a flexible material braid layer;

[0016] The end of the flexible material braid layer of the first connecting cable and / or the second connecting cable is further provided with a braid layer terminator.

[0017] In an embodiment, the connecting cable is further provided with an adapter interface and a protective back shell;

[0018] The protective back shell is arranged at the connecting point of the adapter interface and the connecting cable; the adapter interface is used for adapting an external access cable; wherein the number of pins of the adapter interface is greater than the required number of the connecting cable.

[0019] In an embodiment, the PXI adapter further comprises a box body;

[0020] The box body is provided with an in-box cable; the connector is arranged outside the box body and connected with the in-box cable; the adapter module is connected with the in-box cable through the connecting cable.

[0021] In an embodiment, the adapter module is connected with the receiver through an adapter module frame.

[0022] In an embodiment, the receiver is connected with a PXI chassis;

[0023] The receiver is used for transmitting the adapted signal to a PXI device in the PXI chassis.

[0024] In an embodiment, the PXI chassis is provided with a sliding rail;

[0025] The receiver is arranged in a receiver frame, and the receiver frame is connected with the PXI chassis through the sliding rail.

[0026] In an embodiment, the receiver frame is further provided with a clamping groove, and the adapter module frame is clamped with the receiver frame through the clamping groove.

[0027] The application provides one or more technical solutions, at least having the following technical effects:

[0028] The application provides a cable connection structure convenient to splice and disassemble, through reasonable design of the first, second and third cable connection assemblies, the first connecting cable and the second connecting cable are easy to disassemble and assemble, specifically, the first cable connection assembly is threadedly connected with the third cable connection assembly through external threads, the second cable connection assembly is clamped with the first cable connection assembly through the clamping groove, when troubleshooting, the technician can realize disassembly and splicing of the first connecting cable and the second connecting cable by directly rotating the third cable connection assembly, through the modular design, the PXI adapter has the ability of segmented debugging, the benches of the modules and the benches are easy to combine and separate, and the cables and the cables are easy to combine and separate, the maintainability of the PXI adapter is improved, and then the stability of the flight management computer verification system is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and serve to explain the principles of the application together with the specification.

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the application or the related art, the accompanying drawings required to be used in the embodiments or related art description will be briefly introduced. Obviously, those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0031] Figure 1 It is a structure schematic view of the cable connection structure of the first embodiment of the application.

[0032] Figure 2 It is a module connection schematic view of the second embodiment of the PXI adapter of the application.

[0033] Figure 3 It is a structure schematic view of the connecting cable of the second embodiment of the PXI adapter of the application.

[0034] Figure 4 It is a structure schematic view of the second embodiment of the PXI adapter of the application.

[0035] The purpose of the application, functional characteristics and advantages will be further explained with reference to the embodiment and the accompanying drawings.

[0036] Explanation of the reference signs:

[0037] A first cable connection assembly; A01 a first annular housing; A02 a clamping piece; A03 an external thread; B a second cable connection assembly; B01 a second annular housing; B02 a clamping groove; B03 a groove; C a third cable connection assembly; C01 a housing; C02 an internal thread; 01 a PXI adapter; 011 a connector; 012 an adaptation module; 013 a receiver; 014 a first connecting cable; 001 a braided layer terminator; 002 a four-core cable transmission line; 003 an adaptation interface; 004 a protective back shell; 005 a star-shaped cable assembly; 015 a detachable electromagnetic shielding module; 016 a second connecting cable; 017 a box body; 018 an adaptation module frame; 019 a PXI case; 020 a sliding rail; 021 a receiver frame; 022 a sliding channel; 023 a clamping groove; 02 a collection front end. DETAILED DESCRIPTION

[0038] It should be understood that the specific embodiments described herein are merely intended to explain the technical solutions of the present application, and are not intended to limit the present application.

[0039] In order to better understand the technical solutions of the present application, the following will be described in detail in combination with the drawings of the specification and specific embodiments.

[0040] The main solution of the embodiment of the present application is to provide a cable connection structure convenient for splicing and disassembly, which comprises a first cable connection assembly, a second cable connection assembly and a third cable connection assembly; wherein the first cable connection assembly comprises a first annular housing, the inner side of the first annular housing is provided with a clamping piece, and the outer side of the first annular housing is provided with an external thread; the second cable connection assembly comprises a second annular housing, and the outer side of the second annular housing is provided with a clamping groove; wherein the outer contour radius of the second annular housing is smaller than the outer contour radius of the first annular housing, and the second cable connection assembly is clamped inside the first cable connection assembly through the clamping groove; the third cable connection assembly comprises a third annular housing, and the inner side of the third annular housing is provided with an internal thread; wherein the outer contour radius of the third annular housing is greater than the outer contour radius of the first annular housing, and the first cable connection assembly is threadedly connected inside the third cable connection assembly through the external thread. And a PXI adapter, the PXI adapter comprises: a connector, an adaptation module and a receiver connected in sequence through a connecting cable; the connecting cable comprises a first connecting cable and a second connecting cable connected through a detachable electromagnetic shielding module; wherein the detachable electromagnetic shielding module is provided with the above-mentioned cable connection structure.

[0041] In related technologies, due to the design complexity of flight management computer verification systems and the high integration of PXI equipment, the repair process is often costly when a fault occurs because the adapter is not easy to disassemble. For example, there are a large number of connecting cables between the various components in a PXI adapter. These connecting cables are usually designed as a whole and cannot be tested in sections at different testing stages. This means that when troubleshooting, technicians have to rely on the integrity of the entire cable and cannot test specific parts independently. At the same time, when a cable has a problem, it must be replaced as a whole.

[0042] To address the aforementioned problems, this application proposes a cable connection structure that facilitates assembly and disassembly. The cable connection structure comprises a first cable connection assembly, a second cable connection assembly, and a third cable connection assembly. The first cable connection assembly includes a first annular housing with a snap-fit ​​element on its inner side and an external thread on its outer side. The second cable connection assembly includes a second annular housing with a snap-fit ​​groove on its outer side. The outer radius of the second annular housing is smaller than that of the first annular housing, and the second cable connection assembly snaps into the first cable connection assembly via the snap-fit ​​groove. The third cable connection assembly includes a third annular housing with an internal thread on its inner side. The outer radius of the third annular housing is larger than that of the first annular housing, and the first cable connection assembly is threaded into the third cable connection assembly via its external thread. The first cable connection assembly achieves a threaded connection through its external thread and the internal thread on the inner side of the third cable connection assembly, allowing for easy assembly and disassembly. Simultaneously, the second cable connection assembly engages with the snap-fit ​​element inside the first cable connection assembly via its external snap-fit ​​groove, forming a stable yet detachable snap-fit ​​structure. The entire design, through the combination of the annular housing and the threads and snap-fit ​​components, not only ensures the robustness of the connection but also allows for quick separation of the parts, facilitating segmented testing and maintenance of the cable at different testing stages.

[0043] Based on this, the first embodiment of this application provides a cable connection structure that is easy to assemble and disassemble, referring to... Figure 1 , Figure 1 This is a schematic diagram of the first embodiment of the cable connection structure.

[0044] In this embodiment, the cable connection structure includes a first cable connection assembly A, a second cable connection assembly B, and a third cable connection assembly C; wherein,

[0045] The first cable connection assembly A includes a first annular housing A01, a snap-fit ​​component A02 is provided on the inner side of the first annular housing A01, and an external thread A03 is provided on the outer side of the first annular housing A01.

[0046] The second cable connection assembly B comprises a second annular shell B01, and an outer side of the second annular shell B01 is provided with a clamping groove B02; wherein an outer contour radius of the second annular shell B01 is smaller than an outer contour radius of the first annular shell A01, and the second cable connection assembly B is clamped inside the first cable connection assembly A through the clamping groove B02.

[0047] The third cable connection assembly C comprises a third annular shell C01, and an inner side of the third annular shell C01 is provided with an inner thread C02; wherein an outer contour radius of the third annular shell C01 is greater than an outer contour radius of the first annular shell, and the first cable connection assembly A is threadedly connected inside the third cable connection assembly C through the outer thread A02.

[0048] Specifically, the outer contour radius of the first annular shell A01 is greater than the outer contour radius of the second annular shell B01, which makes the second cable connection assembly B enter the inside of the first annular shell A01 along the clamping piece A03 of the first cable connection assembly A through the clamping groove B02.

[0049] It should be noted that in the present embodiment, the inner side (not shown in the figure) of the clamping piece A03 away from the clamping groove A03 in the first cable connection assembly A has a spherical protrusion, and the second cable connection assembly B is further provided with a groove B03.

[0050] It can be understood that when the second cable connection assembly B completely enters the inside of the first annular shell A01 along the clamping piece A03, the first cable connection assembly A can be rotated so that the spherical protrusion of the first cable connection assembly A is completely engaged with the groove B03, at this time, the third cable connection assembly is rotated to be threadedly connected with the first cable connection assembly A through the inner and outer threads, that is, the assembly of the cable connection structure is completed.

[0051] Further, the second embodiment of the present application provides a PXI adapter, referring to Figure 2 , Figure 2 The module connection diagram of the PXI device in the first embodiment.

[0052] The PXI adapter 01 comprises a connector 011, an adaptation module 012 and a receiver 013 connected in sequence through a connection cable;

[0053] The connection cable comprises a first connection cable 014 and a second connection cable 016 connected through a detachable electromagnetic shielding module 015; wherein the detachable electromagnetic shielding module 015 is provided with the cable connection structure of the first embodiment.

[0054] It should be noted that in the present embodiment, the connector 011 is connected with the acquisition front end 02 in the flight management computer verification system.

[0055] It should be noted that in the present embodiment, the connector 011 is used to connect the acquisition front end 02 to obtain the to-be-adapted signal, the adaptation module 012 is used to convert the to-be-adapted signal collected by the acquisition front end 02 into the adaptation signal required by each instrument card by the flight management computer verification system, the receiver 013 is used to receive the adaptation signal, and the connection cable is used for signal transmission between components. Among them, the connection cable is divided into two detachable ends, including the first connection cable 014 and the second connection cable 016, and the first connection cable 014 and the second connection cable 016 are connected through the detachable electromagnetic shielding module 015.

[0056] The detachable electromagnetic shielding module 015 has the cable connection structure of the first embodiment described above.

[0057] In the present embodiment, one end of the first connection cable 014 is fixedly connected with the second cable connection assembly B of the detachable electromagnetic shielding module 015. One end of the second connection cable 016 is movably connected with the third cable connection assembly C of the detachable electromagnetic shielding module 015; the third cable connection assembly C is used to freely rotate through one end of the second connection cable 016. One end of the first connection cable 014 is threadedly connected with one end of the second connection cable through the first cable connection assembly A of the detachable electromagnetic shielding module 015.

[0058] Specifically, the third cable connection assembly C can freely rotate along the second connection cable 016, and the second cable connection assembly B can be fixedly connected on the first connection cable 014. In a specific operation, first, the first connection cable 014 fixedly connected with the second cable connection assembly B is implemented to be clamped with the first cable connection assembly A along the clamping groove B02 through the clamping piece A03, then the corresponding pin connections of the first connection cable 014 and the second connection cable 016 can be connected, and finally the third cable connection assembly C on the second connection cable 016 is threadedly connected with the first cable connection assembly A in a rotating manner, that is, the connection and fixation of the first connection cable 014 and the second connection cable 016 can be realized. When disassembling, the first connection cable 014 and the second connection cable 016 can be disconnected by only twisting the third cable connection assembly C.

[0059] As can be easily understood, the second connection cable assembly can be provided with an electromagnetic shielding material, and by introducing a detachable electromagnetic shielding assembly, the above-mentioned connection cable is connected, so that the cable itself can be tested as a whole or in segments, which improves the accuracy of fault positioning and reduces maintenance costs. At the same time, the electromagnetic shielding assembly can effectively reduce the external electromagnetic interference at the connection, ensuring the stability and reliability of signal transmission.

[0060] As a specific embodiment, refer to Figure 2 , Figure 2 The structure diagram of the connection cable of the PXI adapter 01 of the present application is shown.

[0061] In this embodiment, the connecting cable includes a flexible material braided layer, and the ends of the first connecting cable 014 and / or the second connecting cable 016 are also provided with braided layer terminators 001.

[0062] The braided layer terminator 001 is used to ensure signal transmission at the cable ends of the first connecting cable 014 and / or the second connecting cable 016.

[0063] The connecting cable includes a four-core cable transmission line 002 with an insulated sheath, and the connecting cable is arranged in a star configuration.

[0064] The connecting cable also includes an adapter interface 003 and a protective back cover 004.

[0065] Among them, adapter interface 003 is used to connect external access cables, and the number of pins of the adapter interface is greater than the number required for the connecting cable.

[0066] Specifically, the cable's braided layer uses a flexible braided material. Understandably, using a flexible material effectively protects the cable while ensuring the flexibility of the connection, improving the ease of wiring. The braided layer terminator 001 is located at the end of the cable. By properly terminating the braided layer, it effectively prevents wear and loosening of the braided layer at the connection point, ensuring the reliability of the connected cable.

[0067] In this embodiment, to meet the design requirements of the flight management computer verification system, a four-core cable transmission line 002 with an insulating sheath is included. The transmission line is wrapped with two layers of overall shielding to ensure transmission quality. Meanwhile, as... Figure 2 As shown, for multiple sets of connecting cables, a star-shaped layout can be achieved by using the star cable assembly 005 to obtain a specific number of wiring combinations, thereby optimizing the signal transmission path and reducing interference and attenuation between signals.

[0068] To accommodate the needs of external component connections, the connecting cable provides an adapter interface 003 between the PXI adapter and other test equipment for connecting external access cables. The adapter interface 003 has sufficient pin slack for future additional connections, and the cable length is designed to allow for internal connections via raised floors. A protective back cover 004 is installed at the connection point between the adapter interface 003 and the connecting cable, providing additional mechanical protection against external impacts or compression, isolating the cable from the external environment, and further enhancing its durability.

[0069] Understandably, this application designs the cable in segments and then groups them according to function and purpose. The cables are connected by connectors, which makes it easy to combine and separate the racks and cables, thereby improving the maintainability of the cables.

[0070] As a specific implementation method, refer to Figure 3 , Figure 3 This is a schematic diagram of the PXI adapter in this embodiment.

[0071] In this embodiment, the PXI adapter also includes a housing 017; the housing 017 contains an internal cable; a connector 011 is located on the outside of the housing and connected to the internal cable; and an adapter module 012 is connected to the internal cable via a connecting cable.

[0072] The adapter module 012 is connected to the receiver 013 through the adapter module frame 018.

[0073] Receiver 013 is connected to PXI chassis 019; receiver 013 is used to transmit adaptation signals to PXI devices inside the PXI chassis.

[0074] The PXI chassis 019 is equipped with a slide rail 020; the receiver 013 is located in the receiver frame 021, and the receiver frame 021 is connected to the PXI chassis 019 via a slide rail 022.

[0075] The receiver frame 021 is also provided with a card slot 023, and the adapter module frame 018 and the receiver frame 021 are connected by the card slot 023.

[0076] PXI adapter 01 also includes a power supply and a micro switch (not shown in the figure); the micro switch is connected to the adapter module, the receiver, and the power supply.

[0077] In this embodiment, the PXI adapter also includes a housing containing internal cables. Connectors are located on the outside of the housing, providing an interface for connection with external devices. This enables reliable signal connection between the external device and the adapter, facilitating rapid adaptation and switching, and exhibiting high reliability and stability. The adapter module is housed within the adapter module frame and connects to the internal cables via connecting cables. It is understood that the housing, in addition to providing structural support for the connectors, can also store the internal cables, facilitating centralized management and cabling. Besides the internal cables for connecting the connectors and adapter modules, the housing can also provide redundant cables for easy replacement and maintenance testing in case of main cable failure, improving overall stability and ease of maintenance.

[0078] Furthermore, the adapter module 012 is housed within the adapter module frame 018, which is equipped with snap-fit ​​accessories. The receiver 013 is housed within the receiver frame 021, which is equipped with a snap-fit ​​slot 023. The adapter module frame 021 snaps into the receiver frame 018 via the snap-fit ​​slot 023. Understandably, the snap-fit ​​design provides a reliable connection structure, ensuring the stability of the connection between the two modules. At the same time, the mechanical connection between the adapter module and the receiver through the two frames improves the convenience of maintenance.

[0079] In the flight management computer verification system, the PXI adapter is usually connected to the PXI chassis to adapt external signals to the PXI devices inside the PXI chassis. Specifically, the receiver 013 of the PXI adapter is electrically connected to the PXI devices inside the PXI chassis via a connecting cable. The receiver frame is provided with a slide rail 022, and the PXI chassis 019 is provided with a slide rail 020. The receiver frame 021 is mechanically connected to the PXI chassis 019 via the slide rail 022.

[0080] It is easy to understand that in this embodiment, the connector 011, adapter module 012, and receiver 013 are modularly managed through the housing 017, adapter frame 018, and receiver frame 021. At the same time, the housing can be directly installed inside the PXI chassis 019. The adapter frame 018 and receiver frame 021 are mechanically connected by a snap-fit ​​mechanism. The receiver frame 021 is also connected to the PXI chassis 019 through a slide rail, which allows the PXI adapter to move flexibly between the inside and outside of the PXI chassis, facilitating installation and maintenance by maintenance personnel. The independent modular structure also allows maintenance personnel to more accurately locate problems and replace components.

[0081] Furthermore, the PXI adapter is also equipped with a micro switch, which is used to cut off the power supply to the PXI adapter in a timely manner when the adapter module 012 is detected to be disconnected from the receiver 013. It provides status feedback during system operation to ensure that the working status of the device can be understood in a timely manner.

[0082] It should be understood that in the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0083] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

[0084] The above are only some embodiments of this application and do not limit the patent scope of this application. All equivalent structural transformations made under the technical concept of this application and using the content of this application specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of this application.

Claims

1. A cable connection structure, characterized by comprising: The cable connection structure comprises a first cable connection assembly, a second cable connection assembly and a third cable connection assembly; wherein, The first cable connection assembly comprises a first annular housing, the inner side of the first annular housing is provided with a clamping piece, and the outer side of the first annular housing is provided with an external thread; The second cable connection assembly comprises a second annular housing, the outer side of the second annular housing is provided with a clamping groove; wherein the outer profile radius of the second annular housing is smaller than the outer profile radius of the first annular housing, and the second cable connection assembly is clamped inside the first cable connection assembly through the clamping groove; The third cable connection assembly comprises a third annular housing, the inner side of the third annular housing is provided with an internal thread; wherein the outer profile radius of the third annular housing is greater than the outer profile radius of the first annular housing, and the first cable connection assembly is threadedly connected inside the third cable connection assembly through the external thread.

2. A PXI adapter, characterized by The PXI adapter comprises a connector, an adaptation module and a receiver connected in sequence through a connecting cable; The connecting cable comprises a first connecting cable and a second connecting cable connected through a detachable electromagnetic shielding module; wherein, The detachable electromagnetic shielding module is provided with the cable connection structure as claimed in claim 1.

3. The PXI adapter of claim 2, wherein, One end of the first connecting cable is fixedly connected with the second cable connection assembly of the detachable electromagnetic shielding module; One end of the second connecting cable is movably connected with the third cable connection assembly of the detachable electromagnetic shielding module; the third cable connection assembly is used for freely rotating through one end of the second connecting cable; One end of the first connecting cable is threadedly connected with one end of the second connecting cable through the first cable connection assembly of the detachable electromagnetic shielding module.

4. The PXI adapter of claim 3, wherein, The connecting cable comprises a flexible material braided layer; The end of the flexible material braided layer of the first connecting cable and / or the second connecting cable is further provided with a braided layer terminator.

5. The PXI adapter of claim 3, wherein, The connecting cable is further provided with an adaptation interface and a protective back shell; The protective back shell is arranged at the connection point of the adaptation interface and the connecting cable; the adaptation interface is used for adapting an external access cable; wherein the number of pins of the adaptation interface is greater than the required number of the connecting cable.

6. The PXI adapter of claim 3, wherein, The PXI adapter further comprises a box; The box is provided with an in-box cable; the connector is arranged outside the box and is connected with the in-box cable; the adaptation module is connected with the in-box cable through the connecting cable.

7. The PXI adapter of claim 6, wherein, The adaptation module is connected with the receiver through an adaptation module frame.

8. The PXI adapter of claim 7, wherein, The receiver is connected with a PXI case; The receiver is used for transmitting adaptation signals to a PXI device in the PXI case.

9. The PXI adapter of claim 8, wherein, The PXI case is provided with a slide rail; The receiver is arranged in a receiver frame, and the receiver frame is connected with the PXI case through a slide rail.

10. The PXI adapter of claim 9, wherein, The receiver frame is further provided with a clamping groove, and the adaptation module frame is clamped with the receiver frame through the clamping groove.

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