CN117353119B

CN117353119B - Docking station

Info

Publication number: CN117353119B
Application number: CN202311644451.4A
Authority: CN
Inventors: 张良; 沈飞; 杨兴欢; 冯韬; 左飞; 李盛来; 邵继永
Original assignee: Shenzhen Feixuan Electronic Technology Co ltd
Current assignee: Shenzhen Feixuan Electronic Technology Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-03-01
Anticipated expiration: 2043-12-04
Also published as: CN117353119A

Abstract

The invention discloses a docking station, which comprises a bottom shell, wherein a supporting base is arranged on the bottom surface of the bottom shell, and an annular supporting cavity with an opening at the top is formed in the supporting base; the surface shell is arranged on the bottom shell, a sealed accommodating cavity is formed in the surface shell after the surface shell is spliced with the bottom shell, an elastic force application device is arranged at the center position of one side of the surface shell facing the bottom shell, and a plug opening is formed after the bottom shell is spliced with the surface shell; the rotating box is arranged in the annular supporting cavity, and a control main board is arranged in the rotating box. The docking station disclosed by the invention does not need to find the position of an expansion interface, can uniformly operate at the position of the plugging port, is small in overall size, can be hidden and contained in the bottom shell and the face shell, reduces the influence of external traction force and external environmental factors on the use of the joint, prolongs the overall service life, and improves the user experience effect.

Description

Docking station

Technical Field

The invention relates to the field of computer hardware, in particular to a docking station.

Background

In the field of computer hardware and information technology, docking stations are important tools for connecting notebook computers or other mobile devices to a variety of external devices. Although these devices are critical to improving work efficiency and convenience, existing designs still have some problems:

In the existing design of the docking station, the expansion interface and the connection part of the expansion interface and the external connector are usually completely exposed, and the structure lacks effective protection to the interface and the connector, so that the expansion interface and the connector are extremely easy to be influenced by physical traction force in the use process, the traction force can not only lead to unstable connection between the connector and the interface, but also cause long-term physical damage, thereby influencing the use stability and the reliability of the whole equipment;

bare interfaces and joints are susceptible to environmental factors, such as, for example, when used in a wet environment, they may be subject to short circuits or other electrical failures due to ingress of water, and as such, the accumulation of dust and other small particulate matter may cause poor contact, further affecting the stability of data transmission;

the interfaces and connectors of the existing docking station are often randomly arranged, disordered and used for affecting the overall attractiveness, and in addition, the required interfaces are required to be found on different surfaces of the docking station when the docking station is used, so that the situation that the connectors are separated from the interfaces to interrupt transmission in use is more easily caused, and the operation is more inconvenient.

Disclosure of Invention

In order to solve the problems, the invention provides the docking station which is reasonable in overall layout, the external connector and the expansion interface are internally accommodated, the position of the expansion interface is not required to be found, the separation of the external connector and the expansion interface in use is effectively prevented, and a plurality of defects in the prior art are effectively solved.

The invention is realized by the following technical scheme: the docking station comprises a bottom shell, wherein a supporting base is arranged on the bottom surface of the bottom shell, and an annular supporting cavity with an opening at the top is formed in the supporting base;

the surface shell is arranged on the bottom shell, a sealed accommodating cavity is formed in the surface shell after the surface shell is spliced with the bottom shell, an elastic force application device is arranged at the center position of one side of the surface shell facing the bottom shell, and a plug opening is formed after the bottom shell is spliced with the surface shell;

the rotating box is arranged in the annular supporting cavity, a control main board is arranged in the rotating box, a plurality of expansion interfaces are arranged around the control main board, the rotating box is protruded on the upper end face of the supporting base, the top center position of the rotating box is connected with the elastic force application device, and at least one expansion interface is always positioned at the position of the plug opening and extends out of the plug opening;

the sealing accommodating cavity is internally provided with a plurality of interface fixed-point stay positions, and the expansion interfaces in the sealing accommodating cavity respectively stay on the corresponding interface fixed-point stay positions;

the top surface of the rotating box is provided with a plurality of interface installation positions around the rotating box, each expansion interface is installed in an interface sleeve in a telescopic mode, the bottom of the interface sleeve is installed in the interface installation positions in a rotating mode, the tail of each expansion interface is provided with a driving rod, and the driving rod penetrates through the interface sleeve and extends towards a driving force application point of the elastic force application device;

When the expansion interface positioned at the plugging port is retracted into the interface sleeve by manual plugging force, the driving rod is contacted with the driving force application point of the elastic force application device and drives the elastic force application device to rotate so as to generate elastic torsion potential energy;

the interface installation position is internally provided with an interface offset driving assembly, when the expansion interface is retracted into the interface sleeve, the interface sleeve and the expansion interface are driven to rotate along the rotating point at the bottom of the interface sleeve by the interface offset driving assembly, and at the moment, a rotating included angle smaller than 90 degrees is formed between the interface sleeve and the expansion interface and the interface installation position;

when the expansion interface at the plug port is loosened, the elastic torsion potential energy generated by the elastic force application device drives the whole rotating box to rotate circumferentially, at the moment, the expansion interface at the plug port position rotates to the interface fixed point stop position in the seal accommodating cavity, the expansion interface at the position closest to the plug port just rotates to the plug port position, before the expansion interface approaches the plug port position, the expansion interface quickly retracts the driving rod and slowly restores the angles of the interface sleeve and the expansion interface, and when the expansion interface is positioned at the plug port position, the expansion interface and the interface sleeve are perpendicular to the interface mounting position.

As an optimal technical scheme, a rotating pin is arranged at the bottom of the interface sleeve, a damping rubber sleeve is sleeved on the rotating pin, a torsion spring is arranged on the rotating pin, and the interface sleeve is elastically arranged in a pin hole formed in an interface mounting position through the rotating pin at the bottom;

through the torsion spring, the interface sleeve and the expansion interface are perpendicular to the interface installation position when in a natural state.

As a preferable technical scheme, the interface sleeve is internally provided with a movable cavity, the expansion interface is telescopically arranged in the movable cavity, at least one spring is arranged in the movable cavity, and the expansion interface is outwards ejected by the spring;

the bottom surface of the movable cavity is provided with a relief cavity, an elastic connecting piece is arranged in the relief cavity, one end of the elastic connecting piece is fixedly connected with the side surface of the relief cavity, and the top of the other end of the elastic connecting piece is provided with a raised lock catch;

a retaining ring is further arranged on the inner side end surface of the expansion interface, the inclined guide surface of the retaining ring faces one side of the retaining ring, the other side of the retaining ring is a vertical surface, when the expansion interface moves towards the retaining ring, the retaining ring is buckled with the retaining ring, at the moment, the spring is compressed, and the expansion interface is kept in a retracted state with the interface sleeve;

The lock catch is unlocked through the unlocking component positioned in the supporting base, so that the lock catch is separated from the lock catch, and the expansion interface is rapidly ejected out by the spring.

As an optimal technical scheme, the unlocking component is arranged on one side close to the plug port;

the unlocking component adopts an unlocking magnet, the unlocking magnet is arranged on one side close to the plug opening, and the unlocking magnet is positioned in an annular groove formed in the bottom of the rotating box;

and when the rotating box rotates to the unlocking magnet position, the unlocking magnet adsorbs the unlocking metal block, and the elastic connecting piece is enabled to descend on one side with the lock catch, so that the lock catch is separated from the lock catch.

As the preferable technical scheme, the interface sleeve is also provided with a driving opening, the driving rod penetrates through the driving opening and extends towards the elastic force application device to be close to the elastic force application device, the interface sleeve positioned at one side of the driving opening is also provided with a wire notch, and the expansion interface is connected with a control main board in the rotating box through a connecting soft flat cable.

As a preferable technical scheme, the interface offset driving assembly comprises a first offset magnet arranged at the bottom of the driving rod and a second offset magnet arranged in an interface installation position, and when the expansion interface is ejected out of the interface sleeve through a spring, the first offset magnet is positioned in the interface sleeve;

When the expansion interface is retracted into the interface sleeve due to the insertion force, the first offset magnet extends out of the interface sleeve and is positioned on one side of the second offset magnet, at the moment, the first offset magnet and the second offset magnet are in the like-pole repulsive state, the second offset magnet pushes the driving rod and enables the driving rod to rotate along the rotating pin at the bottom of the driving rod, and the driving surface of the driving rod after rotation is far away from the elastic force application device.

As a preferable technical scheme, the elastic force applying device comprises a force applying shaft sleeve, a force applying rod, a driving gear, a rebound device, an elastic spring, a supporting bearing and a one-way bearing, wherein the one-way bearing is embedded and installed at the top of the rotating box, the bottom of the force applying rod is installed in the one-way bearing, the other end of the force applying rod is inserted into the force applying shaft sleeve, the rebound device is installed in the force applying shaft sleeve, the elastic rod of the rebound device faces one side of the force applying rod, and the end face of the elastic rod is contacted with the end face of the top of the force applying rod which is installed in the force applying shaft sleeve;

the support bearing is arranged at the center of the bottom surface of the face shell, a spring installation cavity is further formed in the center of the bottom surface of the face shell, the elastic spring is installed in the spring installation cavity, the outer ring of the elastic spring is fixed with the spring installation cavity, the force application shaft sleeve penetrates through the support bearing and is fixedly arranged in the inner ring of the elastic spring, and when the force application shaft sleeve is driven to rotate through the driving rod, the elastic spring is wound up by the force application shaft sleeve;

A guide sliding groove is longitudinally formed in the force application shaft sleeve, a guide limit sliding block is arranged on one side of the force application shaft sleeve, which is loaded by the force application rod, the guide limit sliding block is slidably arranged in the guide sliding groove, and the force application rod and the force application shaft sleeve synchronously rotate in the circumferential direction;

the driving gear is arranged at the bottom of the force application rod, one side of the driving rod, facing to the driving gear, is provided with a driving rack, when the driving rod is pushed out by the expansion interface, the driving rack is meshed with the driving gear, the driving gear rotates, the force application rod and the force application shaft sleeve are driven to rotate by the rotation of the driving gear to tighten the elastic spring, and when the elastic spring releases elastic torsion potential energy each time, the rotation angle of the rotating box is the same each time.

As an optimal technical scheme, a supporting rollaway nest is arranged between the bottom surface of the rotating box and the bottom shell, and a plurality of supporting rollers are arranged in the supporting rollaway nest;

the bottom surface of the face shell is provided with a docking ring, and a first wiring opening is arranged on the docking ring corresponding to each interface fixed-point stay position;

a butt joint groove is formed in the top surface of the bottom shell at a position corresponding to the butt joint ring, when the face shell and the bottom shell are mutually butted, the butt joint ring is buckled into the butt joint groove, and a second wiring opening is formed in the top surface of the bottom shell at a position corresponding to the first wiring opening;

When the external connector is positioned in the sealed accommodating cavity, the connector wire of the external connector passes through the first wiring opening and the second wiring opening and extends out to the outside;

when the face shell is opened relative to the bottom shell, a clearance plug cavity is formed between the face shell and the bottom shell.

As a preferable technical scheme, a joint accommodating space is formed between the outer circular surface of the supporting base and the bottom shell, and the rotated external joint is positioned in the joint accommodating space;

a positioning component is also arranged at each interface fixed-point stay position;

the positioning assembly comprises a first positioning magnet fixedly arranged on the inner side surface of the bottom shell and a second positioning magnet fixedly arranged on the outer circular surface of the rotating box, the first positioning magnet and the second positioning magnet are distributed in opposite attraction states, and each expansion interface is driven to rotate to an interface fixed-point stay position through the elastic force application device, and at the moment, the first positioning magnet and the second positioning magnet are attracted and positioned in a ferromagnetic mode.

As the preferable technical scheme, a wire outlet hole is formed in the center of the bottom surface of the bottom shell, a wire distribution groove is formed in the bottom surface of the bottom shell, an interface bus is arranged on the control main board, one end of the interface bus is connected with the control main board, and the other end of the interface bus penetrates through the wire outlet hole and is distributed in the wire distribution groove to be led out outwards.

The beneficial effects of the invention are as follows: according to the invention, only one plug port is reserved, the expansion interfaces at the plug port position extend to the outside of the plug port all the time, so that the plug of the external connector is convenient, the other expansion interfaces are positioned in the sealed accommodating cavity after the external connector is inserted, the expansion interfaces and the external connector are effectively protected by utilizing the internal sealing space, the external connector and the expansion interfaces are effectively prevented from being separated, the safety and the stability of the docking station in use are improved, and the service lives of the expansion interfaces and the external connector are prolonged;

according to the invention, the external connector is utilized to be inserted into the expansion connector by the insertion force when the external connector is inserted into the expansion connector, the whole expansion connector is retracted relative to the connector sleeve, the driving rod can be driven to drive the elastic force application device to rotate, so that elastic torsion potential energy is generated, when the expansion connector at the position of the insertion opening is retracted into the connector sleeve, the external connector is loosened, under the accumulated elastic torsion potential energy, the whole rotating box automatically rotates a certain angle, the expansion connector originally in the sealed accommodating cavity is rotated to the position of the insertion opening, at this time, the next external connector insertion action can be performed, and the position of the expansion connector is not required to be found, so that the expansion connector at the position of the insertion opening can be switched to the position of the insertion opening by the insertion force of the expansion connector in the sealed accommodating cavity, and the external connector can be accommodated into the sealed accommodating cavity after being inserted, so that the automatic reciprocating circulation is realized, the expansion connector and the external connector can be accommodated in the sealed accommodating cavity, and the use process is more tidy;

After the external connector is inserted into the expansion connector, the interface offset driving assembly can be utilized to enable the interface sleeve, the expansion connector and the external connector to realize an angle offset, the whole structure can be relatively rotated, and therefore the expansion connector can be contained in a connector containing space with a small space, a large internal space is not required to be reserved for containing the external connector and the interface sleeve, the size of the whole expansion dock is smaller, the structural design can be more reasonable, and an unlocking action can be realized when the rotating box rotates to the plugging position, so that the expansion connector in the interface sleeve can be extended and reset, the interface sleeve can be reset again, the offset is avoided, and the convenient operation at the plugging position is realized.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the bottom view of the present invention;

FIG. 3 is a schematic view of the structure of the present invention with the face-piece removed;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;

FIG. 5 is a schematic cross-sectional view of the present invention;

FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 5;

FIG. 7 is a second schematic cross-sectional view of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7C in accordance with the present invention;

FIG. 9 is an internal schematic view of a bare control motherboard according to the present invention;

FIG. 10 is a bottom schematic view of a single expansion interface and interface sleeve of the present invention;

FIG. 11 is a schematic view of an elastic force applying device according to the present invention;

FIG. 12 is a schematic cross-sectional view of an elastic force application device of the present invention;

FIG. 13 is a schematic view of the structure of the face-piece of the present invention after being opened relative to the bottom shell;

reference numerals illustrate:

1. a face shell; 2. a bottom case; 3. an interface bus; 4. a joint line; 5. a plug port; 6. an expansion interface; 7. a wire outlet hole; 8. wiring grooves; 9. an elastic force application device; 10. a first wiring opening; 11. a support base; 12. connecting soft flat cables; 13. an interface installation position; 14. rotating the box; 15. a second positioning magnet; 16. a first positioning magnet; 17. an interface sleeve; 18. a driving rod; 19. a drive rack; 20. sealing the accommodating cavity; 21. a first offset magnet; 22. a second offset magnet; 23. a docking collar; 24. a butt joint groove; 25. an annular groove; 26. supporting the rollaway nest; 27. a control main board; 28. a support roller; 29. a spring; 30. locking; 31. a back-off concave cavity; 32. a wire notch; 33. a clasp ring; 34. an elastic connecting piece; 35. unlocking the magnet; 36. a drive opening; 37. unlocking the metal block; 38. a rotation pin; 91. an elastic spring; 92. a support bearing; 93. a drive gear; 94. a one-way bearing; 95. a force application shaft sleeve; 96. a force application rod; 97. a guiding limit sliding block; 98. a guide chute; 99. a rebound device; 100. a gap plug cavity; 991. an elastic rod.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1-3, the docking station of the present invention comprises a bottom shell 2, wherein a supporting base 11 is installed on the bottom surface of the bottom shell 2, and an annular supporting cavity with an open top is formed in the supporting base 11;

the face shell 1 is mounted on the bottom shell 2, a seal accommodating cavity 20 is formed in the face shell 1 after being spliced with the bottom shell 2, an elastic force application device 9 is arranged at the center position of one side of the face shell 1 facing the bottom shell 2, the elastic force application device 9 is used for driving the rotating box 14 to automatically rotate, an inserting and pulling opening 5 is formed after the bottom shell 2 and the face shell 1 are spliced, and during operation, the external connector can be always inserted and pulled at the position of the inserting and pulling opening 5, and other position points do not need to be searched for operation;

The rotary box 14 is installed in the annular supporting cavity, a control main board 27 is installed in the rotary box 14, as shown in fig. 5 and 9, a plurality of expansion interfaces 6 are arranged around the control main board 27, the rotary box 14 protrudes from the upper end surface of the supporting base 11, the top center position of the rotary box 14 is connected with the elastic force application device 9, at least one expansion interface 6 is always located at the position of the inserting opening 5 and extends out of the inserting opening 5, the rotary box 14 is driven to rotate through the elastic force application device 9, each rotation angle is the same, the rotation of the rotary box 14 enables the different expansion interfaces 6 to be switched to the position of the inserting opening 5 in a rotating mode, in this embodiment, three expansion interfaces 6 can be arranged, of course, more expansion interfaces 6 can be arranged, in this embodiment, the three expansion interfaces 6 are distributed at 120 degrees, that is, each rotation angle of the rotary box 14 is about 120 degrees through the elastic force application device 9;

in order to enable the rotating box 14 to stay at a relatively fixed position after rotating, so that the expansion interface 6 can stay at the position of the plug opening 5, in this embodiment, a plurality of interface fixed-point stay positions are arranged in the seal accommodating cavity 20, the expansion interface 6 in the seal accommodating cavity 20 stays at the corresponding interface fixed-point stay positions respectively, each time the rotating box 14 is automatically driven by the elastic force application device 9 to rotate 120 degrees, so that the expansion interface 6 can stay and switch at different interface fixed-point stay positions, each time the switching is performed, an internal expansion interface 6 rotates to the position of the plug opening 5 for a user to perform plug action, and the expansion interface 6 which is operated at the plug opening 5 and an external connector which is inserted into the expansion interface 6 rotate into the seal accommodating cavity 20 to be stored and hidden under the action of the elastic force application device 9, so that the reciprocating recycling is realized;

As shown in fig. 3, a plurality of interface mounting positions 13 are arranged on the top surface of the rotating box 14 around the rotating box 14, each expansion interface 6 is telescopically mounted in an interface sleeve 17, the bottom of the interface sleeve 17 is rotatably mounted in the interface mounting position 13, as shown in fig. 4, a driving rod 18 is arranged at the tail of each expansion interface 6, the driving rod 18 passes through the interface sleeve 17 and extends towards the driving force application point of the elastic force application device 9, the expansion interface 6 and the driving rod 18 thereof in the sealed accommodating cavity 20 are subjected to angular deflection, the structure of the angular deflection is described later, the deflected driving rod 18 is not contacted with the driving force application point of the elastic force application device 9, and the expansion interface 6 and the interface sleeve 17 at the position of the inserting and extracting opening 5 are perpendicular to the interface mounting positions 13, at this time, the driving rod 18 is not contacted with the driving force application point of the elastic force application device 9 because the expansion interface 6 is not inserted into the interface sleeve 17;

when the expansion interface 6 at the position of the plugging port 5 is retracted into the interface sleeve 17 by manual plugging force, the driving rod 18 contacts with the driving force application point of the elastic force application device 9 and drives the elastic force application device 9 to rotate to generate elastic torsion potential energy, as shown in fig. 3, after the expansion interface 6 is inserted into the interface sleeve 17, the driving rod 18 which is not originally contacted with the driving force application point is contacted with the expansion interface 6, so that the driving purpose is realized, and the elastic force application device 9 rotates to generate elastic torsion potential energy;

The interface mounting position 13 is further internally provided with an interface offset driving component, when the expansion interface 6 is retracted into the interface sleeve 17, the interface sleeve 17 and the expansion interface 6 are driven to rotate along a rotating point at the bottom of the interface sleeve 17 by the interface offset driving component, at this time, an included angle smaller than 90 degrees is formed between the interface sleeve 17 and the expansion interface 6 and the interface mounting position 13, as shown in fig. 4, when the expansion interface 6 is not inserted into the interface sleeve 17 due to the arrangement of the interface offset driving component, the interface sleeve 17 and the expansion interface 6 keep a vertical state with the interface mounting position 13, once the expansion interface 6 is inserted into the interface sleeve 17 by manual insertion force, the interface offset driving component is triggered, the interface sleeve 17 is deflected, and the deflection angle is about 45 degrees, because the interface sleeve 17 rotates, the required containing space can be smaller, a large internal containing space is not required, the containing of the expansion interface 6 and an external connector can be completed reasonably by using the internal space, the whole docking space can be more reasonably designed, and the whole design space can be more reasonably reduced, and the whole design space can be more reasonable;

When the expansion interface 6 at the plug-in opening 5 is loosened, the elastic torsion potential energy generated by the elastic force application device 9 drives the whole rotating box 14 to rotate circumferentially, at the moment, the expansion interface 6 at the position of the plug-in opening 5 rotates to the interface fixed-point stop position in the seal accommodating cavity 20, the expansion interface 6 at the position closest to the plug-in opening 5 just rotates to the position of the plug-in opening 5, before the expansion interface 6 approaches the position of the plug-in opening 5, the driving rod 18 is retracted quickly, the angles of the interface sleeve 17 and the expansion interface 6 are restored slowly, when the expansion interface 6 is positioned at the position of the plug-in opening 5, the expansion interface 6 and the interface sleeve 17 are perpendicular to the interface mounting position 13, and at the moment, the expansion interface 6 at the position of the plug-in opening 5 can be operated, for example, an external connector is inserted into the expansion interface 6 at the position of the plug-in opening 5.

As shown in fig. 10, a rotating pin 38 is installed at the bottom of the interface sleeve 17, a damping rubber sleeve is sleeved on the rotating pin 38, a torsion spring 29 is installed on the rotating pin, and the interface sleeve 17 is elastically installed in a pin hole formed in the interface installation position 13 through the rotating pin 38 at the bottom;

through torsion spring 29, make interface cover 17 and extension interface 6 when under the nature state, perpendicular to interface installation position 13, owing to set up the damping gum cover, can increase the time when interface cover 17 resets, make its slow torsion spring 29 effect lower resume deformation, as long as slower than the reset of actuating lever 18 can, prevent that interface cover 17 from reset earlier then actuating lever 18 and elastic force application device 9's drive application point contact earlier, so reset process is first reset actuating lever 18 then realize the reset with interface cover 17, first shrink actuating lever 18, reset interface cover 17 again, whole extension interface 6 can stretch out to plug mouth 5 outside this moment, make extension interface 6 stretch out to extension interface 6's length increase after the interface cover 17 resets, make the external joint's operation of inserting, after external joint inserts into extension interface 6, extension interface 6 can shrink inwards, at this moment interface cover 17 rotates again, can not appear the position spacing, rotation box 14 can rotate under elastic force application device 9 effect, switch different extension interface 6 in plug mouth 5's position.

As shown in fig. 5 and 6, the interface sleeve 17 is provided with a movable cavity, the expansion interface 6 is telescopically arranged in the movable cavity, a spring 29 is arranged in the movable cavity, the expansion interface 6 is ejected outwards by the spring 29, and when the expansion interface 6 is contracted inwards due to manual insertion force, the spring 29 is pressed;

the bottom surface of the movable cavity is provided with a relief cavity 31, an elastic connecting piece 34 is arranged in the relief cavity 31, one end of the elastic connecting piece 34 is fixedly connected with the side surface of the relief cavity 31, and the top of the other end of the elastic connecting piece 34 is provided with a raised lock catch 30;

a retaining ring 33 is further installed on the inner side end surface of the expansion interface 6, the inclined guide surface of the lock catch 30 faces one side of the retaining ring 33, the other side of the lock catch 30 is a vertical surface, when the expansion interface 6 moves towards the lock catch 30, the retaining ring 33 is buckled with the lock catch 30, at the moment, the spring 29 is compressed, and the expansion interface 6 is kept in a retracted state with the interface sleeve 17;

the lock catch 30 is unlocked through an unlocking component positioned in the supporting base 11, so that the lock catch 33 is separated from the lock catch 30, the expansion interface 6 is rapidly ejected out by the spring 29, and when the expansion interface 6 is not close to the position of the plug opening 5, the unlocking component cannot be unlocked, and the lock catch 30 is always buckled with the lock catch 33.

The unlocking component is installed on one side close to the plug port 5, so that the expansion interface 6 can be reset when the rotating box 14 rotates to the position of the plug port 5, namely the driving rod 18 is retracted, the expansion interface 6 is ejected out of the interface sleeve 17 again by the spring 29, the interface sleeve 17 is reset under the action of the torsion spring 29, and at the moment, the interface exposes the interface sleeve 17 and the expansion interface 6 to the outside of the plug port 5;

as shown in fig. 7 and 8, the unlocking assembly adopts an unlocking magnet 35, the unlocking magnet 35 is mounted on one side close to the plug opening 5, the unlocking magnet 35 is located in an annular groove 25 formed in the bottom of the rotating box 14, the unlocking magnet 35 is kept fixed when the rotating box 14 rotates, and when the expansion interface 6 and the interface sleeve 17 at corresponding positions rotate to the position of the unlocking magnet 35, the lock catch 30 can be separated from the lock ring 33, so that automatic unlocking when the plug opening 5 is closed is completed.

As shown in fig. 10, an opening window is formed at the bottom of each relief cavity 31 corresponding to the lock catch 30, an unlocking metal block 37 is embedded at the bottom of the elastic connection piece 34 corresponding to the opening window, when the rotating box 14 rotates to the unlocking magnet 35, the unlocking metal block 37 is adsorbed by the unlocking magnet 35, one side of the elastic connection piece 34 with the lock catch 30 is lowered, the lock catch 30 is separated from the lock catch 33, and the spring 29 ejects the expansion interface 6 after separation, so as to complete unlocking.

With continued reference to fig. 10, the interface sleeve 17 is further provided with a driving opening 36, the driving rod 18 passes through the driving opening 36 and extends towards the elastic force application device 9 to be close, the interface sleeve 17 at one side of the driving opening 36 is further provided with a wire notch 32, the expansion interfaces 6 are connected with the control main board 27 in the rotating box 14 through the connection flexible flat cable 12, and by setting the connection flexible flat cable 12, the expansion interfaces 6 are always connected with the control main board 27, are not affected by torsion expansion motion, are preferably set as springs 29, and are not easy to be pulled.

As shown in fig. 4 and 8, the interface offset driving assembly comprises a first offset magnet 21 installed at the bottom of the driving rod 18, and a second offset magnet 22 disposed in the interface installation position 13, wherein when the expansion interface 6 is ejected out of the interface sleeve 17 through a spring 29, the first offset magnet 21 is located in the interface sleeve 17; when the expansion interface 6 is retracted into the interface sleeve 17 due to the insertion force, the first offset magnet 21 extends out of the interface sleeve 17 and is located at one side of the second offset magnet 22, at this time, the first offset magnet 21 and the second offset magnet 22 are in a like-pole repulsive state, the second offset magnet 22 pushes the driving rod 18 and makes the driving rod 18 rotate along the rotation pin 38 at the bottom of the driving rod 18, and the driving surface of the rotated driving rod 18 is far away from the elastic force application device 9.

When the expansion interface 6 is retracted into the interface sleeve 17 through manual insertion force, the first offset magnet 21 extends to one side of the second offset magnet 22 through the driving opening 36, the interface offset is triggered at the moment, the whole action process is integrally linked with the manual insertion force and the unlocking process, namely, the external connector is firstly inserted into the expansion interface 6 through the manual insertion force, the expansion interface 6 is manually pushed in the process, after the expansion interface 6 is pushed, the driving rod 18 can be in contact with a driving force application point, the elastic force application device 9 rotates, elastic torsion potential energy is accumulated, after the external connector is inserted, the expansion interface 6 is locked through the lock catch 30 and the lock ring 33, so that the spring 29 cannot eject the expansion interface 6, meanwhile, the first offset magnet 21 is positioned on one side of the second offset magnet 22, when the interface sleeve 17 and the external connector are manually released, the interface sleeve 17 can rotate to deflect the position under the action of the first offset magnet 21 and the second offset magnet 22, the whole expansion interface 6 is retracted into the interface sleeve 17 in a matched mode, the space occupation of the whole expansion interface 6 is greatly reduced, and the whole expansion interface 6 can be hidden in the whole seal accommodating cavity 20 along with the whole expansion interface 6 and the whole interface 17;

As shown in fig. 11 and 12, the elastic force applying device 9 includes a force applying shaft sleeve 95, a force applying rod 96, a driving gear 93, a rebound device 99, an elastic spring 91, a support bearing 92, and a one-way bearing 94, the one-way bearing 94 is embedded and mounted on the top of the rotating box 14, the bottom of the force applying rod 96 is mounted in the one-way bearing 94, the other end of the force applying rod 96 is inserted into the force applying shaft sleeve 95, the rebound device 99 is mounted in the force applying shaft sleeve 95, the elastic rod 991 of the rebound device 99 faces to one side of the force applying rod 96, and the end face of the elastic rod 991 is in contact with the top end face of the force applying rod 96 which is mounted in the force applying shaft sleeve 95;

the support bearing 92 is installed at the center of the bottom surface of the face shell 1, a spring installation cavity is further formed at the center of the bottom surface of the face shell 1, the elastic spring 91 is installed in the spring installation cavity, the outer ring of the elastic spring 91 is fixed with the spring installation cavity, the force application shaft sleeve 95 penetrates through the support bearing 92 and is fixedly installed into the inner ring of the elastic spring 91, and when the force application shaft sleeve 95 is driven to rotate through the driving rod 18, the elastic spring 91 is fastened by the force application shaft sleeve 95;

a guide sliding groove 98 is longitudinally formed in the force application shaft sleeve 95, the force application rod 96 is arranged on one side of the force application shaft sleeve 95 and provided with a guide limit sliding block 97, and the guide limit sliding block 97 is slidably arranged in the guide sliding groove 98 and enables the force application rod 96 and the force application shaft sleeve 95 to synchronously rotate in the circumferential direction;

The driving gear 93 is mounted at the bottom of the force application rod 96, the driving gear 93 is a position for driving a force application point, a driving rack 19 is disposed on one side of the driving rod 18 facing the driving gear 93, when the driving rod 18 is pushed out by the expansion interface 6, the driving rack 19 is meshed with the driving gear 93, the driving gear 93 rotates, the force application rod 96 and the force application shaft sleeve 95 are driven to rotate by the rotation of the driving gear 93 to tighten the elastic spring 91, and when the elastic spring 91 releases elastic torsion potential energy each time, each rotation angle of the rotating box 14 is the same.

Specifically, when the driving rack 19 on one side of the driving rod 18 is pushed toward the driving gear 93, the driving gear 93 is pushed by the driving rod 18 to rotate, the driving gear 93 rotates to drive the force application rod 96 to rotate, in the process, the unidirectional bearing 94 can rotate, the rotating box 14 at the bottom does not rotate, the force application rod 96 and the force application shaft sleeve 95 rotate along the circumferential direction due to the rotation of the force application rod 96, and the force application shaft sleeve 95 is installed in the elastic spring 91, so that the elastic spring 91 can be wound up through rotation, and the support bearing 92 serves as the circumferential support of the force application shaft sleeve 95;

when the interface sleeve 17 and the external interface are loosened, the elastic torsion potential energy which is originally accumulated can be released, the force application shaft sleeve 95 and the force application rod 96 reversely rotate, the bottom of the force application rod 96 is connected with the rotating box 14 through the one-way bearing 94, at the moment, the rotating box 14 can rotate along with the circumference, the inserting action of the expansion interfaces 6 can enable the rotating box 14 to realize one circumference rotation, and the tightening amplitude of the spring is the same each time because the inserting stroke of each expansion interface 6 is fixed, so that the rotating angle of the rotating box 14 is approximately the same each time the elastic potential energy is released.

In order to realize better support for the rotating box 14 and reduce friction, in the embodiment, a support roller path 26 is arranged between the bottom surface of the rotating box 14 and the bottom shell 2, and a plurality of support rollers 28 are arranged in the support roller path 26;

considering that some external connectors are provided with wires, in order to lead out the connector wires 4 of the external connectors to the outside, in this embodiment, the bottom surface of the face shell 1 is provided with a docking ring 23, and the docking ring 23 is provided with a first wiring opening 10 corresponding to each interface fixed-point stop position;

a butt joint groove 24 is formed in the top surface of the bottom shell 2 at a position corresponding to the butt joint ring 23, when the face shell 1 and the bottom shell 2 are mutually butted, the butt joint ring 23 is buckled into the butt joint groove 24, and a second wiring opening is formed in the top surface of the bottom shell 2 at a position corresponding to the first wiring opening 10;

when the external connector is positioned in the sealed accommodating cavity 20, the connector wire 4 of the external connector passes through the first wiring opening 10 and the second wiring opening and extends out to the outside, and if the external connector is a wireless connector, the external connector can be operated at the position of the plug opening 5 without opening the face shell 1 and the bottom shell 2;

as shown in fig. 13, after the face shell 1 is opened relative to the bottom shell 2, a gap plug cavity 100 is formed between the face shell 1 and the bottom shell 2, and the gap plug cavity 100 is provided for mainly aiming at the rotation of the rotating box 14, when the joint line 4 of the external joint can be located in the gap plug cavity 100 and rotate along with the rotating box, after the rotating box 14 rotates, the joint line 4 is aligned to the wiring opening and buckled in, at this time, the face shell 1 and the bottom shell 2 are closed again, so that the docking ring 23 is buckled in the docking groove 24 to complete the sealing; the face shell 1 can be opened to form the clearance plug cavity 100, the clearance plug cavity 100 can also be used for directly pulling out an external connector, and the external connector can directly perform pulling-out action after the clearance plug cavity 100 is opened;

In order to facilitate opening of the face shell 1 and form a gap plugging cavity 100, the invention is applied to the rebound device 99, the rebound device 99 is a common component in the prior art, the general principle is that the elastic rod 991 of the rebound device 99 is pressed down, the elastic rod 991 is retracted and then elastically stretches out after being pressed down, when the face shell 1 needs to be opened or an external connector is plugged and unplugged, the elastic rod 991 of the rebound device 99 is contacted and pressed with the top of the force application rod 96 only by pressing down the face shell 1, at this time, the guide limit slide block 97 slides in the guide slide groove 98, the whole force application rod 96 is pulled out relative to the force application shaft sleeve 95, the distance between the face shell 1 and the bottom shell 2 is increased, at this time, the butt joint ring 23 is separated from the butt joint groove 24, the gap plugging cavity 100 is opened, and then the face shell 1 and the bottom shell 2 can be sealed by pressing down, so that the operation is very simple.

Wherein, a joint accommodating space L is formed between the outer circular surface of the supporting base 11 and the bottom shell 2, and the rotated external joint is positioned in the joint accommodating space L, as shown in fig. 3; the joint accommodation cavity space is not required to be arranged to be large, the interface sleeve 17 can deflect, the expansion interface 6 can shrink inwards, so that the required joint accommodation space is not required to be large, the accommodation can be completed, the structural design is more reasonable, the whole size is small, and the carrying is convenient.

In order to keep the rotating box 14 at a relatively fixed position point after each rotation, in this embodiment, a positioning component is further disposed at each interface fixed-point stop position;

as shown in fig. 3, the positioning components include a first positioning magnet 16 fixedly disposed on the inner side surface of the bottom shell 2, and a second positioning magnet 15 fixedly disposed on the outer circumferential surface of the rotating box 14, where the first positioning magnet 16 and the second positioning magnet 15 are disposed in opposite attraction states, each expansion interface 6 is driven to rotate to an interface fixed-point stay position by the elastic force application device 9, and at this time, the first positioning magnet 16 and the second positioning magnet 15 magnetically attract and position, after the first positioning magnet 16 and the second positioning magnet 15 are close to each other, a certain magnetic attraction force is generated, positioning of the position is completed, and position deviation is prevented.

As shown in fig. 2, a wire outlet hole 7 is formed in the center of the bottom surface of the bottom shell 2, a wire slot 8 is formed in the bottom surface of the bottom shell 2, an interface bus 3 is arranged on the control main board 27, one end of the interface bus 3 is connected with the control main board 27, the other end of the interface bus 3 penetrates through the wire outlet hole 7 and is arranged in the wire slot 8 to be led out, the whole docking station is required to be lifted during operation, and the insertion action of an external connector can be completed by opening the surface shell 1.

According to the invention, only one plug port 5 is reserved, the expansion interfaces 6 at the positions of the plug ports 5 extend out of the plug ports 5 all the time, so that the plug of an external connector is convenient, the other expansion interfaces 6 are positioned in the sealed accommodating cavity 20 after the external connector is inserted, the internal sealing space is utilized, the expansion interfaces 6 and the external connector are effectively protected, the external connector and the expansion interfaces 6 are effectively prevented from being separated, dust and water can be effectively prevented, the safety and the stability of the docking station in use are improved, and the service lives of the expansion interfaces 6 and the external connector are prolonged;

according to the invention, the external connector is utilized to be inserted into the expansion connector 6 by the insertion force when the external connector is inserted into the expansion connector 6, so that the expansion connector 6 is retracted relative to the connector sleeve 17, the driving rod 18 can be driven to drive the elastic force application device 9 to rotate in the retraction process of the whole expansion connector 6, and then elastic torsion potential energy is generated, when the expansion connector 6 positioned in the insertion opening 5 is retracted into the connector sleeve 17, the external connector is released, under the accumulated elastic torsion potential energy, the whole rotating box 14 automatically rotates a certain angle, the expansion connector 6 originally positioned in the sealed accommodating cavity 20 is enabled to be rotated to the insertion opening 5, at this time, the next external connector insertion action can be performed, and the insertion force action of the expansion connector 6 positioned in the insertion opening 5 is not required to be searched, so that the expansion connector positioned in the sealed accommodating cavity 20 can be switched to the insertion opening 5, and the expansion connector and the external connector can be accommodated in the sealed accommodating cavity 20 after the external connector is inserted, so that the automatic reciprocating circulation is realized, the expansion connector 6 and the external connector can be well protected, and the clean use process is realized.

The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A docking station, comprising:

the bottom shell (2), the bottom surface of the bottom shell (2) is provided with a supporting base (11), and an annular supporting cavity with an opening at the top is formed in the supporting base (11);

the face shell (1), the face shell (1) is installed on the bottom shell (2), a seal accommodating cavity (20) is formed inside after the face shell is spliced with the bottom shell (2), an elastic force application device (9) is arranged at the center position of one side of the face shell (1) towards the bottom shell (2), and an inserting and pulling opening (5) is formed after the bottom shell (2) is spliced with the face shell (1);

the rotating box (14) is arranged in the annular supporting cavity, a control main board (27) is arranged in the rotating box (14), a plurality of expansion interfaces (6) are arranged around the control main board (27) in a circle, the rotating box (14) protrudes from the upper end face of the supporting base (11), the top center position of the rotating box (14) is connected with the elastic force application device (9), and at least one expansion interface (6) is always positioned at the position of the plugging port (5) and extends out of the plugging port (5);

A plurality of interface fixed-point stay positions are arranged in the sealed accommodating cavity (20), and expansion interfaces (6) positioned in the sealed accommodating cavity (20) respectively stay on the corresponding interface fixed-point stay positions;

the top surface of the rotating box (14) is provided with a plurality of interface installation positions (13) around the rotating box (14), each expansion interface (6) is installed in an interface sleeve (17) in a telescopic mode, the bottom of the interface sleeve (17) is installed in the interface installation positions (13) in a rotating mode, the tail portion of each expansion interface (6) is provided with a driving rod (18), and the driving rods (18) penetrate through the interface sleeves (17) and extend towards driving force application points of the elastic force application devices (9);

when the expansion interface (6) positioned at the position of the plug-in port (5) is contracted into the interface sleeve (17) through manual plug-in force, the driving rod (18) is contacted with a driving force application point of the elastic force application device (9) and drives the elastic force application device (9) to rotate so as to generate elastic torsion potential energy;

an interface offset driving assembly is further arranged in the interface mounting position (13), after the expansion interface (6) is retracted into the interface sleeve (17), the interface sleeve (17) and the expansion interface (6) are driven to rotate along a rotating point at the bottom of the interface sleeve (17) through the interface offset driving assembly, and at the moment, a rotating included angle smaller than 90 degrees is formed between the interface sleeve (17) and the expansion interface (6) and the interface mounting position (13);

When the expansion interface (6) at the plug-in opening (5) is loosened, the elastic torsion potential energy generated by the elastic force application device (9) drives the whole rotating box (14) to rotate circumferentially, at the moment, the expansion interface (6) at the plug-in opening (5) rotates to the interface fixed-point stay position in the sealed accommodating cavity (20), the expansion interface (6) at the position closest to the plug-in opening (5) just rotates to the plug-in opening (5), before the expansion interface (6) approaches the plug-in opening (5), the expansion interface (6) rapidly retracts the driving rod (18) and slowly restores the angles of the interface sleeve (17) and the expansion interface (6), and when the expansion interface (6) is positioned at the plug-in opening (5), the expansion interface (6) and the interface sleeve (17) are perpendicular to the interface mounting position (13).

2. The docking station of claim 1, wherein: the bottom of the interface sleeve (17) is provided with a rotating pin (38), the rotating pin (38) is sleeved with a damping rubber sleeve and is provided with a torsion spring (29), and the interface sleeve (17) is elastically arranged in a pin hole formed in the interface mounting position (13) through the rotating pin (38) at the bottom;

the torsion spring (29) enables the interface sleeve (17) and the expansion interface (6) to be perpendicular to the interface installation position (13) when the expansion interface is in a natural state.

3. The docking station of claim 1, wherein: the interface sleeve (17) is internally provided with a movable cavity, the expansion interface (6) is telescopically arranged in the movable cavity, at least one spring (29) is arranged in the movable cavity, and the expansion interface (6) is ejected outwards by the spring (29);

the bottom surface of the movable cavity is provided with a yielding cavity (31), an elastic connecting piece (34) is arranged in the yielding cavity (31), one end of the elastic connecting piece (34) is fixedly connected with the side surface of the yielding cavity (31), and the top of the other end of the elastic connecting piece (34) is provided with a raised lock catch (30);

a retaining ring (33) is further arranged on the inner side end surface of the expansion interface (6), the inclined guide surface of the lock catch (30) faces one side of the retaining ring (33), the other side of the lock catch (30) is a vertical surface, when the expansion interface (6) moves towards the lock catch (30), the retaining ring (33) is buckled with the lock catch (30), at the moment, the spring (29) is compressed, and the expansion interface (6) is kept in a retracted state with the interface sleeve (17);

the lock catch (30) is unlocked through an unlocking component positioned in the supporting base (11), so that the lock catch (33) is separated from the lock catch (30), and the expansion interface (6) is rapidly ejected out by the spring (29).

4. A docking station as recited in claim 3, wherein: the unlocking component is arranged at one side close to the plug port (5);

The unlocking assembly adopts an unlocking magnet (35), the unlocking magnet (35) is arranged on one side close to the plug opening (5), and the unlocking magnet (35) is positioned in an annular groove (25) formed in the bottom of the rotating box (14);

an opening window is formed in the bottom surface of each back-off concave cavity (31) corresponding to the lock catch (30), an unlocking metal block (37) is embedded in the bottom of each elastic connecting piece (34) corresponding to the position of the opening window, when the rotating box (14) rotates to the position of the unlocking magnet (35), the unlocking metal block (37) is adsorbed by the unlocking magnet (35), one side of the elastic connecting piece (34) with the lock catch (30) is lowered, and then the lock catch (30) is separated from the lock catch (33).

5. The docking station of claim 1, wherein: the interface sleeve (17) is further provided with a driving opening (36), the driving rod (18) penetrates through the driving opening (36) to extend towards the elastic force application device (9) to be close, the interface sleeve (17) on one side of the driving opening (36) is further provided with a wire notch (32), and the expansion interface (6) is connected with a control main board (27) in the rotating box (14) through a connecting flexible flat cable (12).

6. The docking station of claim 1, wherein: the interface offset driving assembly comprises a first offset magnet (21) arranged at the bottom of the driving rod (18) and a second offset magnet (22) arranged in the interface installation position (13), and when the expansion interface (6) is ejected out of the interface sleeve (17) through a spring (29), the first offset magnet (21) is positioned in the interface sleeve (17);

When the expansion interface (6) is retracted into the interface sleeve (17) due to insertion force, the first offset magnet (21) extends out of the interface sleeve (17) and is located at one side of the second offset magnet (22), at this time, the first offset magnet (21) and the second offset magnet (22) are in a like-pole repulsive state, the second offset magnet (22) pushes the driving rod (18) and enables the driving rod (18) to rotate along a rotating pin (38) at the bottom of the driving rod, and the driving surface of the driving rod (18) after rotation is far away from the elastic force application device (9).

7. The docking station of claim 1, wherein: the elastic force application device (9) comprises a force application shaft sleeve (95), a force application rod (96), a driving gear (93), a rebound device (99), an elastic spring (91), a support bearing (92) and a one-way bearing (94), wherein the one-way bearing (94) is embedded and installed at the top of the rotating box (14), the bottom of the force application rod (96) is installed in the one-way bearing (94), the other end of the force application rod (96) is inserted into the force application shaft sleeve (95), the rebound device (99) is installed in the force application shaft sleeve (95), the elastic rod (991) of the rebound device (99) faces one side of the force application rod (96), and the end face of the elastic rod (991) is in contact with the top end face of the force application rod (96) installed in the force application shaft sleeve (95);

The support bearing (92) is arranged at the center of the bottom surface of the face shell (1), a spring installation cavity is further formed in the center of the bottom surface of the face shell (1), the elastic spring (91) is arranged in the spring installation cavity, the outer ring of the elastic spring (91) is fixed with the spring installation cavity, the force application shaft sleeve (95) penetrates through the support bearing (92) and is fixedly arranged in the inner ring of the elastic spring (91), and when the force application shaft sleeve (95) is driven to rotate through the driving rod (18), the elastic spring (91) is wound up by the force application shaft sleeve (95);

a guide sliding groove (98) is longitudinally formed in the force application shaft sleeve (95), the force application rod (96) is arranged on one side of the force application shaft sleeve (95) and provided with a guide limit sliding block (97), and the guide limit sliding block (97) is slidably arranged in the guide sliding groove (98) and enables the force application rod (96) and the force application shaft sleeve (95) to synchronously rotate in the circumferential direction;

the driving gear (93) is arranged at the bottom of the force application rod (96), a driving rack (19) is arranged on one side of the driving rod (18) facing the driving gear (93), when the driving rod (18) is pushed out by the expansion interface (6), the driving rack (19) is meshed with the driving gear (93) and enables the driving gear (93) to rotate, the force application rod (96) and the force application shaft sleeve (95) are driven to rotate by the driving gear (93) to tighten the elastic spring (91), and when the elastic spring (91) releases elastic torsion potential energy every time, every rotation angle of the rotating box (14) is the same.

8. The docking station of claim 1, wherein: a supporting rollaway nest (26) is arranged between the bottom surface of the rotating box (14) and the bottom shell (2), and a plurality of supporting rollers (28) are arranged in the supporting rollaway nest (26);

a docking ring (23) is arranged on the bottom surface of the face shell (1), and a first wiring opening (10) is arranged on the docking ring (23) corresponding to each interface fixed-point stay position;

a butt joint groove (24) is formed in the position, corresponding to the butt joint ring (23), of the top surface of the bottom shell (2), and when the face shell (1) and the bottom shell (2) are mutually in butt joint, the butt joint ring (23) is buckled into the butt joint groove (24), and a second wiring opening is formed in the position, corresponding to the first wiring opening (10), of the top surface of the bottom shell (2);

when the external connector is positioned in the sealed accommodating cavity (20), the connector wire (4) of the external connector passes through the first wiring opening (10) and the second wiring opening and extends to the outside;

when the surface shell (1) is opened relative to the bottom shell (2), a clearance plug cavity (100) is formed between the surface shell (1) and the bottom shell (2).

9. The docking station of claim 1, wherein: a joint accommodating space is formed between the outer circular surface of the supporting base (11) and the bottom shell (2), and the rotated external joint is positioned in the joint accommodating space;

the positioning assembly comprises a first positioning magnet (16) fixedly arranged on the inner side surface of the bottom shell (2) and a second positioning magnet (15) fixedly arranged on the outer circular surface of the rotating box (14), the first positioning magnet (16) and the second positioning magnet (15) are distributed in opposite attraction states, and each expansion interface (6) is driven to rotate to an interface fixed-point stay position through the elastic force application device (9), and at the moment, the first positioning magnet (16) and the second positioning magnet (15) are magnetically attracted for positioning.

10. The docking station of claim 1, wherein: an outlet hole (7) is formed in the center of the bottom surface of the bottom shell (2), a wiring groove (8) is formed in the bottom surface of the bottom shell (2), an interface bus (3) is arranged on the control main board (27), one end of the interface bus (3) is connected with the control main board (27), and the other end of the interface bus passes through the outlet hole (7) and is arranged in the wiring groove (8) to be led out outwards.