CN112882538A

CN112882538A - Docking station

Info

Publication number: CN112882538A
Application number: CN202110137631.8A
Authority: CN
Inventors: 罗小燕; 刘圣富; 刘圣田; 张文锋
Original assignee: CSmartlink Information Technology Co Ltd
Current assignee: CSmartlink Information Technology Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-06-01
Anticipated expiration: 2041-02-01
Also published as: CN112882538B

Abstract

The application relates to a docking station, which comprises a first interface, a second interface, a third interface, a centralized control module and an interface conversion module, wherein the first interface, the second interface and the third interface are correspondingly connected with different terminal equipment, so that the different terminal equipment establishes a data transmission connection channel through the interface conversion module and the corresponding interface; moreover, the number and the types of the second interface or the third interface can be properly expanded through the centralized control module, and the connection application range of the first terminal equipment and other equipment can be expanded. The docking station is an external device and can be connected to a first terminal device through a first interface, and the first terminal device can comprise a thin notebook computer; then the second interface or the third interface enables the corresponding second terminal equipment or the third terminal equipment to be connected with the first terminal equipment; effectively improving the defect of rare external ports of the thin notebook computer.

Description

Docking station

Technical Field

The application relates to the field of docking station technology, in particular to a docking station.

Background

Docking station (also called Port Replicator) is an external device designed for notebook computers. The port of the notebook computer is copied and even expanded, so that the notebook computer can be conveniently connected with a plurality of accessories or external equipment in a one-stop mode. The docking station is mostly arranged on the base of the notebook computer.

At present, the thickness of the notebook computer tends to be thin, the number and the types of external ports of the docking station are gradually reduced, and particularly, the external ports with relatively large size specifications, such as VGA (video graphics array), HDMI (high-definition multimedia interface) and the like, are provided.

In view of the above-mentioned related technologies, the inventor believes that the number and the types of the external ports of the docking station are reduced, and the docking station is not suitable for connecting a notebook computer with audio equipment, a printer, projection equipment and the like, and has a small application range.

Disclosure of Invention

In order to expand the scope of applicability, the present application provides a docking station.

The application provides a docking station adopts following technical scheme:

a docking station, comprising:

the first interface is used for being connected with first terminal equipment;

the second interface is used for being connected with second terminal equipment;

the third interface is used for being connected with third terminal equipment;

the line concentration control module is used for expanding the number of the third interfaces, and comprises a plurality of third interfaces; each concentrator control module is connected with at least one third interface; and

the interface conversion module is used for connecting the first interface with the second interface or the third interface to realize data conversion connection between the first terminal equipment and the second terminal equipment or between the first terminal equipment and the third terminal equipment;

the first terminal device, the second terminal device and the third terminal device are different.

By adopting the technical scheme, the docking station is an external device and can be connected to a first terminal device through a first interface, and the first terminal device can comprise a thin notebook computer; establishing a connection between the second terminal equipment or the third terminal equipment and the first terminal equipment through the second interface or the third interface; and effectively improves the defect that the external ports of the thin notebook computer are rare.

Optionally, the line concentration control module includes a first line concentration unit and a second line concentration unit; the first line concentration unit is connected to the interface conversion module through a Type-C cable; the second line concentration unit is connected to the first line concentration unit; and the first line concentration unit and the second line concentration unit are both connected with a third interface.

Through adopting above-mentioned technical scheme, line concentration control module can be used for connecting different third interfaces through different first line concentration unit and second line concentration unit.

Optionally, the system further comprises a plurality of shells connected in series, wherein an interface conversion module is arranged in one of the shells, and at least one centralized control module is arranged in the other shells; the first interface is connected with one shell through a first cable; each shell is at least fixedly provided with a second interface or a third interface; the shell is connected with the second cable between the adjacent shells, and the second cable is used for connecting the hub control modules in the adjacent shells or connecting the interface conversion modules with the hub control modules in the adjacent shells.

By adopting the technical scheme, the different interface conversion modules and the concentrator control modules of the plurality of serially connected shell devices are adopted, so that the second interface and the third interface can be distributed on the peripheral sides of all the shells, the increase of the number and the types of the second interface or the third interface is facilitated, and the application range of the docking station is widened. Interface conversion module and line concentration control module can set up respectively in the casing of difference, and interface conversion module passes through first interface connection in first terminal equipment during the use, can keep certain distance with first terminal equipment, can rotate relative first terminal equipment. Each shell is provided with at least one centralized control module, each centralized control module can be connected with a plurality of third interfaces, and the plurality of third interfaces are integrally connected with the adjacent centralized control module or connected with the first interface through the interface conversion module and the first terminal equipment.

Optionally, at least one side surface of the shell is provided with a fixing groove or a fixing lug; at least one of the two adjacent shells is provided with a fixing groove, and the other shell is provided with a fixing lug; the fixing grooves are matched with the fixing lugs of the adjacent shell.

Through adopting above-mentioned technical scheme, but connect in series through fixed recess and fixed lug between the adjacent casing, can be convenient for select whether to make adjacent casing separation according to the demand. When all the shells are inserted into the fixing lug through the fixing grooves, all the second interfaces and the third interfaces can be relatively fixed and maintained, and the occupied space range of all the shells is fixed, so that the second terminal equipment connected with the docking station through the second interfaces and the third terminal equipment connected with the docking station through the third interfaces are relatively fixed with the first terminal equipment, and the connection stability of the first terminal equipment or the second terminal equipment and the first terminal equipment is improved. When the fixing groove and the fixing lug of the adjacent shell are detached and the second cable is reserved for connection, the position of the corresponding second interface or third interface of the adjacent shell can be adjusted according to the distance between the second terminal equipment or third terminal equipment and the first terminal equipment, and the position can be used for compensating the shortage of the connection distance; and the split shell can rotate relative to other shells, so that the distance between the split shell and the second interface or the third interface of different shells is convenient to pull open, interference caused when different third terminal equipment is connected with the adjacent third interface is reduced, and connection use influence is reduced.

Optionally, the bottom of the fixed groove and the convex surface of the fixed bump are both provided with a third interface.

By adopting the technical scheme, the third interface with less use frequency can be arranged on the contact side of the adjacent shell, namely the groove bottom of the fixed groove and the convex surface of the fixed lug, the risks of dust pollution caused by long-time non-use or breakage caused by inconvenient storage and the like are reduced, and the number of the third interfaces can be further expanded.

Optionally, a cable accommodating groove for accommodating a second cable is formed in one side of the fixing groove; each second cable has one end connected to the cable accommodating groove of the housing and the other end connected to the fixing projection corresponding to the cable accommodating groove of the adjacent housing.

By adopting the technical scheme, the adjacent shells are connected and communicated through the second cable, and the second cable can mainly increase the use distance between the adjacent shells, so that the actual length of the second cable is possibly greater than the distance between the adjacent shells and the fixing lug through the fixing groove; at this moment, the cable accommodating groove is formed in the fixing groove, so that the second cable which is longer in axial direction can be selected according to use requirements, and the compensation of the connection distance between the second terminal equipment or different third terminal equipment and the first terminal equipment is facilitated.

Optionally, the third interface includes a corresponding USB-C interface and a USB-C plug; the USB-C interface is arranged at the bottom of the fixed groove of the shell, and the USB-C plug is arranged at the fixed lug of the adjacent shell.

By adopting the technical scheme, the USB-C plug is partially positioned outside the shell, and can be stored or plugged in the USB-C interface of the adjacent shell when not connected with the corresponding third terminal device for use, so that the connection stability between the adjacent shells with the corresponding USB-C interfaces and the USB-C plug can be increased.

Optionally, a through hole is formed in each shell towards the direction of the adjacent shell; all the shells are connected with a connecting telescopic belt, and the connecting telescopic belt can be telescopically penetrated through all the through holes.

Through adopting above-mentioned technical scheme, when needs are used and are located the third interface or the second interface of fixed recess or fixed lug place side, can dismantle the fixed recess and the fixed lug that correspond, can assist the joint strength between the adjacent casing of second cable reinforcing through connecting the telescopic band.

Optionally, the outer surface of the shell is provided with an anti-moving groove for limiting the connection telescopic belt to slide along the radial direction of the shell; the axial direction of the movement-preventing groove is parallel to the axial direction of the through hole.

Through adopting above-mentioned technical scheme, prevent moving the recess and can restrict the connection telescopic band of twining in the casing surface and remove, reduce the problem that appears breaking away from the casing when connecting the telescopic band winding casing.

Optionally, the connecting telescopic belt comprises a telescopic twin-wire, and two ends of the telescopic twin-wire are provided with limiting end parts; the sum of the normal diameters of the telescopic twin-wire is smaller than the inner diameter of the through hole; the inner diameter of the limiting end part is larger than the sum of the normal diameters of the telescopic twin-wire.

By adopting the technical scheme, when all the shells are sequentially disassembled and connected, one limiting end part of the connecting telescopic belt is stretched outwards, and two strands of telescopic twin wires are separated to form two telescopic ropes; then the two telescopic ropes are turned over and respectively embedded in the two anti-moving grooves at different sides; and finally, the limiting end part is abutted against one side of the other limiting end part again, so that all the shells are fixedly connected, the phenomenon that the connection of each first interface, each second interface, each third interface and corresponding terminal equipment is affected by shaking in the using process is reduced, and the smooth data transmission is effectively kept.

When the shells are separated and are turned over and covered on the adjacent shells, the telescopic twin-wire winding anti-moving grooves can be used for stably connecting all the shells, the occupied space of the shells can be saved, and the second interfaces and the third interfaces are exposed, so that the use is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the docking station is an external device, and the type and the number of the second interface or the third interface can be expanded through the interface conversion module and the line concentration control module, so that the application range is expanded;

2. the adjacent shells can be detachably installed, different placement positions or directions can be selected according to requirements, and the connection convenience of the second terminal equipment or the third terminal equipment is improved.

Drawings

Fig. 1 is a block diagram of a control principle of a docking station in embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a docking station in embodiment 2 of the present application;

fig. 3 is a state diagram of the docking station in embodiment 2 of the present application;

FIG. 4 is a view showing a state in which the housings are stacked in use in embodiment 2 of the present application;

FIG. 5 is a schematic view of the structure of FIG. 4 from a different perspective;

fig. 6 is a schematic structural view of the connection stretch band in embodiment 2 of the present application.

Description of reference numerals: 1. a first interface; 11. a Type-C cable;

2. a second interface; 21. an audio jack; 22. an HDMI female connector; 23. VGA female head; 24. a USB-C female head;

3. a third interface; 31. a USB-A female head; 32. a USB-C female head; 33. a network card driving interface; 34. a card reader interface; 341. an SD card slot; 342. a TF card slot; 35. USB-C male;

4. a hub control module; 41. a first hub unit; 42. a second hub unit; 43. a third line concentration unit;

5. an interface conversion module;

6. a housing; 61. a first housing; 62. a second housing; 63. a third housing; 64. fixing the groove; 65. fixing the bump; 66. a cable receiving slot; 67. a through hole; 68. a movement prevention groove;

7. connecting a telescopic belt; 71. a telescoping twin wire; 72. a restraining end;

8. a second cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-6 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Example 1

The present embodiment discloses a docking station.

Referring to fig. 1, the docking station includes a first interface 1, a second interface 2, a third interface 3, a hub control module 4, and an interface conversion module 5.

The first interface 1 is used for connecting with a first terminal device; first interface 1 is female head 32 of USB-C in this embodiment, and accessible Type-C cable 11 is connected between first interface 1 and the interface conversion module 5.

The second interface 2 is used for connecting with a second terminal device; the second interface 2 in this embodiment includes one or more of an audio jack 21, an HDMI female connector 22, a VGA female connector 23, a USB-a female connector 31, a USB-C female connector 32, a network card driver interface 33, and a card reader interface.

The third interface 3 is used for connecting with a third terminal device; the third interface 3 in this embodiment includes one or more of a USB-a female head 31, a USB-C female head 32, a network card driver interface 33, and a card reader interface 34.

The network card driving interface 33 is specifically an RJ45 female, and a network card driving unit is arranged in the network card driving interface 33; the card reader interface 34 includes a card reader processing unit, and an SD card slot 341 and a TF card slot 342 which are bus-connected to the card reader processing unit.

The centralized control module 4 is used for expanding the number of the third interfaces 3 and is provided with a plurality of interfaces; at least one third interface 3 is connected to each hub control module. According to the connection relationship, the hub control module 4 may include the first hub unit 41 and the second hub unit 42, or further include the third hub unit 43.

Each of the central control modules 4 has a superior connection end connected to the superior communication module and a fixed number of subordinate connection ends connected to the subordinate communication modules. In this embodiment, the upper communication module of the first hub unit 41 is the interface conversion module 5; first line concentration unit 41 is connected in interface conversion module 5 through Type-C cable 11, and Type-C cable 11 has integrated bus function, can assemble all third interfaces 3 and interface conversion module 5 between data transmission. The second line concentration unit 42 is connected to the first line concentration unit 41, that is, the upper communication module of the second line concentration unit 42 occupies a connection end of the first line concentration unit 41; also, the third hub unit 43 may be connected to the second hub unit 42; the third interface 3 is connected to each of the first line concentrator unit 41, the second line concentrator unit 42, and the third line concentrator unit 43. Therefore, the connectable ends of the third interfaces 3 can be effectively increased, the number and the types of the third interfaces 3 can be effectively expanded, and the application range of the docking station is expanded. In this embodiment, the first line concentration unit 41 and the second line concentration unit 42 are both line concentration control circuits including a line concentration controller GL 3510; the third hub unit 43 is a hub circuit including a USB interface chip FE8.1S.

The interface conversion module 5 is used for connecting the first interface 1 with the second interface 2 or the third interface 3, and realizing data conversion connection between the first terminal device and the second terminal device or between the first terminal device and the third terminal device. The interface conversion module 5 in this embodiment includes an EP9632G micro-drive chip, and has a function of supporting conversion of Type-C data into HDMI data, VGA data, PD3.0 data, AUDIO data, or USB3.0 data.

The first terminal device, the second terminal device and the third terminal device are different. For example, the first terminal device is a notebook computer or a thin television, and the second terminal device is an earphone or a sound box or a digital television set-top box or a projector or a printer; the third terminal device can be a mobile communication device or a printer or an external storage device or an SD card and the like.

The docking station is an external device and can be connected to a first terminal device through a first interface 1, and the first terminal device can comprise a thin notebook computer; then, the second interface 2 or the third interface 3 enables the corresponding second terminal equipment or third terminal equipment to be established with the first terminal equipment for receiving; effectively improving the defect of rare external ports of the thin notebook computer.

Example 2

The present embodiment discloses a docking station.

Referring to fig. 2, based on embodiment 1, the docking station of this embodiment is different from embodiment 1 in that: the docking station also comprises several housings 6 in series. The housing 6 of this embodiment has three housings, a first housing 61, a second housing 62, and a third housing 63.

Referring to fig. 3 and 4, at least an interface conversion module 5 is disposed in the first housing 61, the interface conversion module 5 is connected to the first interface 1 located outside the first housing 61 through a Type-C cable 11, in this embodiment, the first interface 1 is a USB-C female connector 32. First casing 61 is located and is equipped with fixed recess 64 with the different side of Type-C cable 11, and the side distribution of first casing 61 has a plurality of second interfaces 2, and second interface 2 specifically is the female head 22 of audio jack 21, HDMI, VGA female head 23, the female head of USB-A or the female head of USB-C, and wherein the female head of a USB-C is located the fixed recess 64 of first casing 61.

At least one centralized control module 4 is arranged in the second shell 62 and the third shell 63; in this embodiment, a hub control module 4 is disposed in the second housing 62, and is a first hub unit 41; the third housing 63 houses two hub control modules 4, which are a second hub unit 42 and a third hub unit 43. One side surface of the second housing 62 close to the first housing 61 is provided with a fixing projection 65 matched with the fixing groove 64, and the other side surface of the second housing 62 is provided with a fixing groove 64 identical to the fixing groove 64 of the first housing 61. One side surface of the third housing 63 close to the second housing 62 is provided with a fixing projection 65 matching with the fixing groove 64.

Referring to fig. 4 and 5, the first housing 61 and the second housing 62, and the second housing 62 and the third housing 63 are detachably connected to the fixing protrusion 65 through the fixing groove 64. A second cable 8 is connected between the first housing 61 and the second housing 62, and between the second housing 62 and the third housing 63, respectively, for connecting the first line concentrator unit 41 to the interface conversion module 5, for connecting the second line concentrator unit 42 to the first line concentrator unit 41, and for connecting the third line concentrator unit 43 to the second line concentrator unit 42. One end of each second cable 8 passes through the corresponding fixing groove 64, and the other end passes through the fixing projection 65 of the adjacent housing 6.

A plurality of third interfaces 3 are uniformly distributed on the outer side surfaces of the second housing 62 and the third housing 63, and in this embodiment, the third interfaces 3 include a USB-a female plug 31, a USB-C female plug 32, a USB-C male plug 35, an RJ45 female plug, an SD card slot 341, or a TF card slot 342.

The fixing projection 65 of the second shell 62 is provided with a USB-C male connector 35, the fixing groove 64 of the first shell 61 is provided with a USB-C female connector 24 corresponding to the USB-C male connector 35, the USB-C male connector 35 is partially located outside the shell 6, and when not connected with a corresponding third terminal device for use, the male connector can be accommodated or inserted into the USB-C female connector 24 of the adjacent shell 6, so that the adjacent shells 6 with the corresponding USB-C female connectors 24 and the USB-C male connectors 35 can be connected firmly. The USB-C male connector 35 can also rotate relative to the second housing 62, so as to reduce the interference with the connection of other third interfaces 3.

Referring to fig. 2, a cable accommodating groove 66 is formed at one side of the bottom of each fixing groove 64, the second cable 8 is inserted into the cable accommodating groove 66, and the axial length of the second cable 8 is not less than the length required by the adjacent housing 6 to be turned 180 degrees relatively. The adjacent shells 6 are connected and communicated through the second cable 8, and the second cable 8 can mainly increase the use space between the adjacent shells 6, so that the actual length of the second cable 8 can be larger than the space between the adjacent shells 6 and the fixing lug 65 through the fixing groove 64; the cable receiving groove 66 is formed in the fixing groove 64, so that the second cable 8 which is axially longer can be selected according to the use requirement, and the compensation of the connection distance between the second terminal device or different third terminal devices and the first terminal device is facilitated.

Referring to fig. 3, each housing 6 is provided with a corresponding through hole 67; when the three housings 6 are inserted, all the through holes 67 are coaxially arranged and communicate with the cable accommodating groove 66. All the shells 6 are connected with a connecting telescopic belt 7, and the connecting telescopic belt 7 can be telescopically inserted into all the through holes 67. When the third connector 3 or the second connector 2 located on the side where the fixing groove 64 or the fixing protrusion 65 is located needs to be applied, the corresponding fixing groove 64 and the fixing protrusion 65 may be detached, and the second cable 8 may be assisted by the connection telescopic strap 7 to enhance the connection strength between the adjacent housings 6.

In order to improve the splicing stability between the adjacent shells 6 and the stain and dust resistance of the second connector 2 or the third connector 3 positioned on the fixed groove 64 and the fixed lug 65, a sealing ring can be additionally arranged on the side wall of the adjacent fixed groove 64 or the side wall of the fixed lug 65, and a dust ring can be additionally arranged on the inner wall of the through hole 67.

In the embodiment, each shell 6 is in a cuboid shape, and two opposite outer surfaces of each shell 6 are respectively provided with an anti-moving groove 68 for limiting the connection telescopic belt 7 to slide along the radial direction of the shell; the axial direction of the displacement prevention groove 68 is parallel to the axial direction of the through hole 67.

Referring to fig. 4 and 5, after the fixing groove 64 and the fixing protrusion 65 of the adjacent housing 6 are separated, the corresponding housing 6 can be turned over by 180 ° and covered on the adjacent housing 6, and the connecting expansion band 7 is wound and fixed along the movement-preventing groove 68, so that the adjacent housing 6 can be kept relatively fixed.

Referring to fig. 3 and 6, the connecting stretch band 7 includes a stretch twin wire 71, and both ends of the stretch twin wire 71 are provided with limiting ends 72; the sum of the normal diameters of the telescopic twin wires 71 is smaller than the inner diameter of the through hole 67; the inner diameter of the restraining end 72 is greater than the sum of the normal diameters of the telescoping twin wires 71.

Referring to fig. 2, when all the housings 6 are sequentially disassembled, a restraining end 72 connecting the elastic bands 7 is outwardly stretched and two strands of the elastic double strand 71 are separated to form two elastic cords; the two telescopic ropes are turned over and respectively embedded in the two anti-moving grooves 68 on different sides; and finally, the limiting end part 72 is abutted against one side of the other limiting end part 72 again, so that all the shells 6 are fixedly connected, the shaking generated in the using process is reduced, the connection stability of each first interface 1, each second interface 2 and each third interface 3 and the corresponding terminal equipment is influenced, and the smooth data transmission is effectively kept.

Referring to fig. 4 and 5, when the three housings 6 are separated and turned over to the adjacent housing 6, the telescopic twin-wire 71 can be wound around the anti-moving groove 68 to stably connect all the housings 6, so as to save the space occupied by the housings 6 and expose the second and

third connectors

2 and 3 for use.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. A docking station, comprising:

a first interface (1) for connecting to a first terminal device;

a second interface (2) for connecting to a second terminal device;

a third interface (3) for connecting to a third terminal device;

the centralized control module (4) is used for expanding the number of the third interfaces (3) and comprises a plurality of interfaces; each concentrator control module is connected with at least one third interface (3); and

the interface conversion module (5) is used for connecting the first interface (1) with the second interface (2) or the third interface (3) to realize data conversion connection between the first terminal equipment and the second terminal equipment or between the first terminal equipment and the third terminal equipment;

2. A docking station according to claim 1, characterised in that: the hub control module (4) comprises a first hub unit (41) and a second hub unit (42); the first line concentration unit (41) is connected to the interface conversion module (5) through a Type-C cable (11); the second line concentration unit (42) is connected to the first line concentration unit (41); the first line concentration unit (41) and the second line concentration unit (42) are both connected with a third interface (3).

3. A docking station according to claim 1, characterised in that: the device also comprises a plurality of shells (6) connected in series, wherein an interface conversion module (5) is arranged in one shell (6), and at least one hub control module (4) is arranged in the other shells (6); the first interface (1) is connected with one shell (6) through a first cable; each shell (6) is at least fixedly provided with a second interface (2) or a third interface (3); and a second cable (8) is connected between the shell (6) and the adjacent shell (6), and the second cable (8) is used for connecting the hub control module (4) in the adjacent shell (6) or connecting the interface conversion module (5) with the hub control module (4) in the adjacent shell (6).

4. A docking station according to claim 3, wherein: at least one side surface of the shell (6) is provided with a fixing groove (64) or a fixing lug (65); at least one of the two adjacent shells (6) is provided with a fixing groove (64), and the other shell is provided with a fixing lug (65); the fixing groove (64) is matched with the fixing lug (65) of the adjacent shell (6).

5. A docking station as claimed in claim 4, wherein: and the third interfaces (3) are arranged on the bottom of the fixed groove (64) and the convex surface of the fixed lug (65).

6. A docking station as claimed in claim 4, wherein: a cable accommodating groove (66) for accommodating a second cable (8) is formed in one side of the fixing groove (64); one end of each second cable (8) is connected to the cable accommodating groove (66) of the shell (6), and the other end of each second cable is connected to the fixing projection (65) of the adjacent shell (6) corresponding to the cable accommodating groove (66).

7. A docking station as claimed in claim 4, wherein: the third interface (3) comprises a corresponding USB-C interface and a corresponding USB-C plug; one USB-C interface is arranged at the bottom of a fixing groove (64) of one shell (6), and one USB-C plug is arranged at a fixing lug (65) of the adjacent shell (6).

8. A docking station according to claim 3, wherein: each shell (6) is provided with a through hole (67) towards the direction of the adjacent shell (6); all the shells (6) are connected with a connecting telescopic belt (7), and the connecting telescopic belt (7) can be telescopically penetrated through all the through holes (67).

9. A docking station according to claim 8, wherein: the outer surface of the shell (6) is provided with an anti-moving groove (68) for limiting the connection telescopic belt (7) to slide along the radial direction of the shell; the axial direction of the anti-moving groove (68) is parallel to the axial direction of the through hole (67).

10. A docking station according to claim 8, wherein: the connecting telescopic belt (7) comprises a telescopic twin wire (71), and two ends of the telescopic twin wire (71) are provided with limiting end parts (72); the sum of the normal diameters of the telescopic twin wires (71) is smaller than the inner diameter of the through hole (67); the inner diameter of the restricting end (72) is greater than the sum of the normal diameters of the telescoping twin wires (71).