CN220473914U - Terminal equipment - Google Patents

Abstract

The utility model discloses a terminal device, wherein the terminal device comprises: a power supply assembly; a main board; and the switch assembly is rotatably arranged so that the electric connection between the power assembly and the main board is conducted or disconnected through the rotation of the switch assembly. The technical scheme solves the technical problem that the existing terminal equipment such as a notebook computer and the like cannot be completely powered off.

Description

Terminal equipment

Technical Field

The utility model relates to the technical field of computer terminals, in particular to terminal equipment.

Background

In the structure of the existing notebook computer, the battery is often directly fixedly connected with the internal circuit of the notebook computer, and when the notebook computer is transported, the battery needs to be detached from the notebook computer, which is time-consuming and labor-consuming. In addition, when accidents such as water inflow of the notebook computer are met, if the notebook computer cannot be timely powered off, risks such as explosion are easily caused, and personal safety of a user is affected.

Disclosure of Invention

The utility model mainly aims to provide terminal equipment, and aims to solve the technical problem that the existing terminal equipment such as a notebook computer and the like cannot be powered off.

In order to achieve the above object, the present utility model provides a terminal device, including:

a power supply assembly;

a main board; and

the switch assembly is rotatably arranged so that the electric connection between the power assembly and the main board is conducted or disconnected through the rotation of the switch assembly.

Optionally, the switch assembly includes:

the fixing piece is provided with an accommodating cavity, a first contact and a second contact are arranged in the accommodating cavity, the first contact is used for being electrically connected with the power supply assembly, and the second contact is used for being electrically connected with the main board;

the conductive piece is rotationally arranged in the accommodating cavity and is provided with a first position and a second position, the first position is used for conducting the first contact and the second contact, and the second position is used for disconnecting the first contact and the second contact.

Optionally, the conductive member includes:

the rotating body is rotationally arranged in the accommodating cavity;

the elastic electrode is arranged on the rotating body and is provided with a third contact and a fourth contact which are electrically connected;

wherein, in the first position, the third contact is abutted with the first contact and the fourth contact is abutted with the second contact; in the second position, the third contact is separated from the first contact and the fourth contact is separated from the second contact.

Optionally, a mounting cavity is provided in the rotator, and the elastic electrode includes:

the deformation body is of an annular structure with an opening, the peripheral wall of the deformation body is elastically abutted with the inner wall of the mounting cavity,

the two conductors are arranged, the two conductors are arranged on the peripheral wall of the deformation body at intervals, the conductors penetrate through the installation cavity to the outside of the rotating body, one conductor is far away from the end part of the deformation body to form the third contact, and the other conductor is far away from the end part of the deformation body to form the fourth contact.

Optionally, the switch assembly further includes an operating member rotatably disposed on the fixing member and drivingly connected to the conductive member to drive the conductive member to rotate between the first position and the second position.

Optionally, the operation piece includes:

the connecting rod is rotationally connected with the fixing piece, one end of the connecting rod is connected with the conductive piece, and the other end of the connecting rod extends to the outside of the fixing piece along the rotation axis of the conductive piece;

the knob is arranged at one end of the connecting rod, which is far away from the fixing piece.

Optionally, a connecting slot is formed at one end of the conductive member along the rotation axis, and the connecting slot extends around the rotation axis; the connecting rod is close to the protruding connector that is equipped with of one end of electrically conductive spare, the connector inlays to be located in the spread groove.

Optionally, the plurality of connecting grooves are arranged at intervals around the rotation axis of the conductive member, and each connecting groove is correspondingly provided with one connecting body.

Optionally, the fixing piece is provided with a first limiting body, the first limiting body is arranged around the connecting rod, the first limiting body is provided with a first end and a second end which are opposite, and the outer peripheral wall of the connecting rod is convexly provided with a second limiting body; the second limiting body is abutted against the first end at the first position, and the second limiting body is abutted against the second end at the second position; and/or the periphery wall of the knob is provided with an anti-skid groove.

Optionally, the fixing member includes:

the shell is provided with a containing groove with an opening at one side, and the conductive piece is rotationally arranged in the containing groove;

the cover body is buckled on the opening of the accommodating groove to seal the accommodating groove to form the accommodating cavity;

the first conductor is arranged on the shell, one end of the first conductor extends into the accommodating groove from one side of the shell, and the first contact is arranged at the end part of the first conductor extending into the accommodating groove;

the second conductor is arranged on the shell, one end of the second conductor extends into the accommodating groove from the other side of the shell, and the second contact is arranged at the end part of the second conductor extending into the accommodating groove.

Compared with the prior art, in the technical scheme of the utility model, the terminal equipment comprises a power supply component and a main board, wherein the power supply component is used for supplying power to the main board so as to ensure the normal operation of the terminal equipment, and the terminal equipment also comprises a switch component, wherein the power supply component is connected with the main board through the switch component, and in addition, the power supply of the power supply component to the main board is realized; in addition, this switch module rotationally sets up on this terminal equipment, through the rotation of this switch module, realizes switching on or breaking of the electricity connection between power module and the mainboard, so, when terminal equipment needs the during operation, the rotatable this switch module makes between power module and the mainboard switch on, and terminal equipment can normally work this moment, and when terminal equipment meed emergency and needs the outage, the rotatable this switch module of this moment breaks the circuit between this power module and the mainboard, and the mainboard can be completely cut off this moment. In this technical scheme, can realize the complete outage of mainboard through setting up a rotatable switch module between mainboard and power supply module, be favorable to protecting mainboard and battery pack, also improved the operating convenience when terminal equipment needs outage simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded schematic view of a switch assembly in a terminal device of the present utility model;

FIG. 2 is a schematic cross-sectional view of a switch assembly in a terminal device according to the present utility model;

FIG. 3 is a schematic view of the structure of a rotator in a terminal device according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the elastic electrode in the terminal device of the present utility model;

FIG. 5 is a schematic structural view of an operating member in the terminal device of the present utility model;

fig. 6 is a schematic structural view of a fixing member in the terminal device of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Fixing piece	200	Conductive member
300	Operating member	110	Shell body
				120	Cover body	130	First conductor
140	Second conductor	150	Accommodating cavity
				160	First limiting body	210	Rotating body
220	Elastic electrode	310	Connecting rod
				320	Knob	330	Second limiting body
340	Connector body	221	Variant body
				222	Electric conductor

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In order to solve the technical problem that the existing notebook computer and other terminal equipment cannot be completely powered off, the technical scheme provides terminal equipment, which comprises:

a power supply assembly;

a main board; and

the switch assembly is connected with the main board through the switch assembly, and the switch assembly is rotatably arranged so that the electric connection between the power assembly and the main board is conducted or disconnected through the rotation of the switch assembly.

Compared with the prior art, in the technical scheme of the utility model, the terminal equipment comprises a power supply component and a main board, wherein the power supply component is used for supplying power to the main board so as to ensure the normal operation of the terminal equipment, and the terminal equipment also comprises a switch component, wherein the power supply component is connected with the main board through the switch component, and in addition, the power supply of the power supply component to the main board is realized; in addition, this switch module rotationally sets up on this terminal equipment, through the rotation of this switch module, realizes switching on or breaking of the electricity connection between power module and the mainboard, so, when terminal equipment needs the during operation, the rotatable this switch module makes between power module and the mainboard switch on, and terminal equipment can normally work this moment, and when terminal equipment meed emergency and needs the outage, the rotatable this switch module of this moment breaks the circuit between this power module and the mainboard, and the mainboard can be completely cut off this moment. In this technical scheme, can realize the complete outage of mainboard through setting up a rotatable switch module between mainboard and power supply module, be favorable to protecting mainboard and battery pack, also improved the operating convenience when terminal equipment needs outage simultaneously.

Specifically, in this embodiment, the terminal device may be a notebook computer or the like, and the terminal device includes a power supply component such as a battery and a motherboard, where the power supply component is used to provide power for the motherboard. In addition, the terminal equipment further comprises a switch component, the switch component can be a knob 320 switch and other devices, the switch component is rotatably arranged on the body of the terminal equipment, the power component and the main board are connected through the switch component, and the on-off of a circuit between the power component and the main board can be realized through the rotation of the switch component, so that when the terminal equipment needs to be powered off, the complete power off of the main board can be realized only through rotating the switch component without detaching the power component from the terminal equipment, and the operation convenience is improved; in addition, when the terminal equipment encounters emergency such as water inflow, the switch assembly can be rotated to realize quick power failure, so that the main board and the power assembly are protected, and the use reliability and the use safety of the terminal equipment are improved.

Further, the switch assembly includes:

the fixing piece 100 is provided with a containing cavity 150, a first contact and a second contact are arranged in the containing cavity 150, the first contact is used for being electrically connected with a power supply assembly, and the second contact is used for being electrically connected with a main board;

the conductive member 200 is rotatably disposed in the accommodating cavity 150, where the conductive member 200 has a first position and a second position, and the conductive member 200 conducts the first contact and the second contact in the first position, and the conductive member 200 disconnects the first contact and the second contact in the second position.

Referring to fig. 1 to 6, in the present embodiment, the switch assembly includes a fixing member 100 and a conductive member 200, wherein the fixing member 100 is a housing 110 made of an insulating material, a receiving cavity 150 is provided in the fixing member 100, a first contact and a second contact are provided in the receiving cavity 150, the first contact and the second contact are both conductive contact structures, the first contact is electrically connected with the power assembly, and the second contact is electrically connected with the motherboard; in addition, the conductive member 200 is rotatably disposed in the accommodating cavity 150, the conductive member 200 may be a column structure with conductive capability, and the conductive member 200 has a first position and a second position when rotated, and in the first position, the conductive member 200 contacts with the first contact and the second contact to conduct the first contact and the second contact, electrically connect the power module with the motherboard, and in the second position, the conductive member 200 is separated from the first contact and the second contact, thereby disconnecting the power module from the motherboard. And the power off of the main board is realized.

Further, the conductive member 200 includes:

the rotating body 210 is rotatably arranged in the accommodating cavity 150;

an elastic electrode 220 provided on the rotating body 210, the elastic electrode 220 having a third contact and a fourth contact electrically connected;

wherein, in the first position, the third contact is abutted with the first contact and the fourth contact is abutted with the second contact; in the second position, the third contact is separated from the first contact and the fourth contact is separated from the second contact.

Specifically, as shown in fig. 2 to 4, in the present embodiment, the conductive member 200 includes a rotating body 210, the rotating body 210 is a cylindrical structure made of an insulating material, and the rotating body 210 is disposed in the accommodating cavity 150 and can rotate along its own axis; the rotating body 210 is provided with an elastic electrode 220, and the elastic electrode 220 may be an elastic electrical connector such as a spring pin penetrating through the outer peripheral wall of the rotating body 210, and the elastic electrode 220 has a third contact and a fourth contact electrically connected to each other by a wire or a conductor. In actual use, when the power supply assembly is in the second position, the third contact is separated from the first contact, the fourth contact is separated from the second contact, the power supply assembly is disconnected from the main board, and the power supply is powered off.

Further, the inside of the rotating body 210 is provided with a mounting cavity, and the elastic electrode 220 includes:

the deformation body 221 is an annular structure with an opening, the peripheral wall of the deformation body 221 is elastically abutted with the inner wall of the mounting cavity,

the two conductors 222 are arranged, the two conductors 222 are arranged on the peripheral wall of the deformation body 221 at intervals, and penetrate through the installation cavity to the outside of the rotating body 210, one conductor 222 forms a third contact at the end far away from the deformation body 221, and the other conductor 222 forms a fourth contact at the end far away from the deformation body 221.

As shown in fig. 2 to 4, in the present embodiment, the rotating body 210 is a cylindrical structural member, an installation cavity is formed in the rotating body 210, the elastic electrode 220 includes a deformation body 221, the deformation body 221 is a circular structural member, one side of the deformation body 221 is opened, the deformation body 221 is disposed in the installation cavity, and the outer peripheral wall of the deformation body 221 is abutted against the inner wall of the installation cavity, in this embodiment, the deformation body 221 may be made of a metal material with elasticity such as copper, and when the outer peripheral wall of the deformation body 221 is subjected to pressure, the deformation body 221 may be elastically deformed near the center thereof; the deformation body 221 is further provided with a plurality of conductors 222, the conductors 222 are arranged on the peripheral wall of the deformation body 221 at intervals, the conductors 222 penetrate through the installation cavity to the outside of the rotation body 210, wherein the end of one conductor 222 far away from the deformation body 221 forms the third contact, and the end of the other conductor 222 far away from the deformation body 221 forms the fourth contact. When in the first position, the conductor 222 corresponding to the third contact is abutted to the first contact, the conductor 222 corresponding to the fourth contact is abutted to the second contact, and at this time, the deformation body 221 can be elastically deformed, so that the conductor 222 can be tightly abutted to the first contact position and the second contact position under the action of the deformation body 221, so as to ensure the reliability of the electrical connection between the power component and the motherboard.

Further, the switch assembly further includes an operating member 300 rotatably disposed on the fixing member 100 and drivingly connected to the conductive member 200 to drive the conductive member 200 to rotate between the first position and the second position.

Wherein, the operation piece 300 includes:

a connecting rod 310 rotatably connected with the fixing member 100, one end of the connecting rod 310 being connected with the conductive member 200, the other end of the connecting rod 310 extending to the outside of the fixing member 100 along the rotation axis of the conductive member 200;

the knob 320 is disposed at an end of the connecting rod 310 away from the fixing member 100.

As shown in fig. 1 and 5, in order to facilitate the position switching of the conductive member 200, the switch assembly further includes an operation member 300, the operation member 300 is rotatably disposed on the fixing member 100 and is in driving connection with the conductive member 200, the conductive member 200 can be driven to rotate by rotating the operation member 300 to achieve the switching between the first position and the second position, in this embodiment, the operation member 300 includes a connecting rod 310 and a knob 320, wherein the connecting rod 310 is in a cylindrical structure, a connection hole is formed on the fixing member 100, the connection hole is in communication with the accommodating cavity 150, one end of the connecting rod 310 is rotatably disposed in the connection hole and is connected with an end portion of the conductive member 200, and the rotation axis of the connecting rod 310 is collinear with the rotation axis of the conductive member 200, a knob 320 structure is disposed at one end of the connecting rod 310 far from the fixing member 100, the knob 320 can be coaxially disposed with the connecting rod 310, in this embodiment, the switch assembly can be disposed in a housing of a notebook, the notebook has a C surface on which an operation hole can be formed, and the switch assembly can be exposed on the C surface through the operation hole of the knob 320 on the position of the conductive member 200; for ease of operation, the outer peripheral wall of the knob 320 may be knurled to increase friction during operation of the knob 320; in addition, in the scheme, the length of the connecting rod 310 can be flexibly adjusted according to the internal layout of the terminal equipment, so that the switch assembly is convenient to install.

Further, the conductive member 200 is provided with a connection groove along one end of the rotation axis thereof, and the connection groove extends around the rotation axis; the connecting rod 310 is provided with a connecting body 340 at one end close to the conductive member 200, and the connecting body 340 is embedded in the connecting groove.

Further, a plurality of connecting grooves are provided, the plurality of connecting grooves are arranged at intervals around the rotation axis of the conductive member 200, and each connecting groove is correspondingly provided with a connecting body 340.

As shown in fig. 3 and 5, in order to facilitate the assembly of the switch assembly, in this embodiment, a connecting slot is formed at one end of the conductive member 200 along the rotation axis thereof, the end is connected with the connecting rod 310, the connecting slot may be arc-shaped or have other shapes, the connecting slot may be disposed around the rotation axis of the conductive member 200 at intervals, correspondingly, a connecting body 340 is convexly disposed at one end of the connecting rod 310 near the conductive member 200, the external dimension of the connecting body 340 may be adapted to the connecting slot, and the connecting body 340 may also be disposed at intervals along the rotation axis of the connecting rod 310, during assembly, the connecting body 340 may be in one-to-one correspondence with the connecting slot and embedded in the connecting slot, when the operating connecting rod 310 rotates, the outer peripheral wall of the connecting body 340 may abut against the inner wall of the connecting slot and transmit the acting force to the conductive member 200, so as to realize the driving of the conductive member 200. In this technical scheme, through the cooperation of connector 340 and spread groove, can be convenient for the dismouting of connecting rod 310 and electrically conductive piece 200 when realizing connecting rod 310 and electrically conductive piece 200 connection, improve the equipment convenience of this switch module.

Further, the fixing piece 100 is provided with a first limiting body 160, the first limiting body 160 is arranged around the connecting rod 310, the first limiting body 160 is provided with a first end and a second end which are opposite, and the outer peripheral wall of the connecting rod 310 is convexly provided with a second limiting body 330; the second limiting body 330 is abutted against the first end at the first position, and the second limiting body 330 is abutted against the second end at the second position; and/or, the outer circumferential wall of the knob 320 is provided with an anti-slip groove.

In order to ensure that the position of the conductive element 200 when rotating to the first position and the second position is accurate, the fixing element 100 may be provided with a first limiting body 160, the first limiting body 160 may be disposed at an outer periphery of a connection hole of the fixing element 100 and extends around the connection hole, the first limiting body 160 has a first end and a second end opposite to each other, and correspondingly, a second limiting body 330 is protruding on an outer peripheral wall of the connecting rod 310, the second limiting body extends around an axis of the connecting rod 310, when the connecting rod 310 is assembled on the fixing element 100, the first limiting body 160 and the second limiting body 330 cooperate, when in the first position, the second limiting body 330 abuts against the first end of the first limiting body 160, and when in the first position, the fixing element 100 limits the connecting rod 310 through cooperation of the first limiting body 160 and the second limiting body 330, so as to limit the conductive element 200 at the first position; similarly, when the conductive member 200 rotates to the second position, the second limiting body 330 can abut against the second end of the first limiting body 160, and the fixing member 100 limits the connecting rod 310 and the conductive member 200 to the second position.

Further, the fixing member 100 includes:

the shell 110 is provided with a containing groove with one side open, and the conductive piece 200 is rotationally arranged in the containing groove;

the cover 120 is buckled on the opening of the accommodating groove to seal the accommodating groove into the accommodating cavity 150;

the first conductor 130 is arranged on the shell 110, one end of the first conductor 130 extends into the accommodating groove from one side of the shell 110, and the first contact is arranged at the end part of the first conductor 130 extending into the accommodating groove;

the second conductor 140 is arranged on the shell 110, one end of the second conductor 140 extends into the accommodating groove from the other side of the shell 110, and the second contact is arranged at the end part of the second conductor 140 extending into the accommodating groove.

Specifically, as shown in fig. 6, in the present embodiment, the fixing member 100 includes a housing 110, the housing 110 is made of an insulating material, a receiving groove with an opening is formed at the top of the housing 110, and the shape and size of the receiving groove are adapted to the conductive member 200, so that the conductive member 200 can be placed in the receiving groove and can freely rotate along its own axis; the fixing member 100 further includes a cover 120, where the cover 120 is fastened to the opening of the accommodating groove and can seal the accommodating groove to form the accommodating cavity 150; in addition, the fixing member 100 includes a first conductor 130 and a second conductor 140, where the first conductor 130 and the second conductor 140 are both disposed on the housing 110, the first conductor 130 and the second conductor 140 may be made of conductive materials such as metal, and the first conductor 130 and the second conductor 140 are disposed in the accommodating groove by two opposite sides of the housing 110, the first contact is disposed at an end portion of the first conductor 130 extending into the accommodating groove, the second contact is disposed at an end portion of the second conductor 140 extending into the accommodating groove, the first conductor 130 may be electrically connected to the power component by welding, and the second conductor 140 may be electrically connected to the motherboard. In addition, in order to realize simultaneous conduction of multiple sets of electrical signals, multiple sets of the first conductors 130 and the second conductors 140 may be disposed, and correspondingly, multiple sets of the first conductors 130 and the second conductors 140 may be disposed on the elastic electrode 220 of the conductive element 200.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A terminal device, characterized in that the terminal device comprises:

a power supply assembly;

a main board; and

the switch assembly is rotatably arranged so that the electric connection between the power assembly and the main board is conducted or disconnected through the rotation of the switch assembly.

2. The terminal device of claim 1, wherein the switch assembly comprises:

the fixing piece is provided with an accommodating cavity, a first contact and a second contact are arranged in the accommodating cavity, the first contact is used for being electrically connected with the power supply assembly, and the second contact is used for being electrically connected with the main board;

the conductive piece is rotationally arranged in the accommodating cavity and is provided with a first position and a second position, the first position is used for conducting the first contact and the second contact, and the second position is used for disconnecting the first contact and the second contact.

3. The terminal device of claim 2, wherein the conductive member comprises:

the rotating body is rotationally arranged in the accommodating cavity;

the elastic electrode is arranged on the rotating body and is provided with a third contact and a fourth contact which are electrically connected;

wherein, in the first position, the third contact is abutted with the first contact and the fourth contact is abutted with the second contact; in the second position, the third contact is separated from the first contact and the fourth contact is separated from the second contact.

4. A terminal device according to claim 3, wherein the interior of the rotator is provided with a mounting cavity, and the elastic electrode comprises:

the deformation body is of an annular structure with an opening, the peripheral wall of the deformation body is elastically abutted with the inner wall of the mounting cavity,

the two conductors are arranged, the two conductors are arranged on the peripheral wall of the deformation body at intervals, the conductors penetrate through the installation cavity to the outside of the rotating body, one conductor is far away from the end part of the deformation body to form the third contact, and the other conductor is far away from the end part of the deformation body to form the fourth contact.

5. The terminal device of claim 2, wherein the switch assembly further comprises an operating member rotatably disposed on the fixed member and drivingly connected to the conductive member to drive the conductive member between the first position and the second position.

6. The terminal device of claim 5, wherein the operation member comprises:

the connecting rod is rotationally connected with the fixing piece, one end of the connecting rod is connected with the conductive piece, and the other end of the connecting rod extends to the outside of the fixing piece along the rotation axis of the conductive piece;

the knob is arranged at one end of the connecting rod, which is far away from the fixing piece.

7. The terminal device according to claim 6, wherein the conductive member is provided with a connection groove along one end of a rotation axis thereof, the connection groove extending around the rotation axis; the connecting rod is close to the protruding connector that is equipped with of one end of electrically conductive spare, the connector inlays to be located in the spread groove.

8. The terminal device according to claim 7, wherein a plurality of said connection grooves are provided, a plurality of said connection grooves are provided at intervals around the rotation axis of said conductive member, and each of said connection grooves is provided with one of said connection bodies.

9. The terminal device according to claim 6, wherein the fixing member is provided with a first limiting body, the first limiting body is arranged around the connecting rod, the first limiting body is provided with a first end and a second end which are opposite, and the outer peripheral wall of the connecting rod is convexly provided with a second limiting body; the second limiting body is abutted against the first end at the first position, and the second limiting body is abutted against the second end at the second position; and/or the periphery wall of the knob is provided with an anti-skid groove.

10. The terminal device of claim 2, wherein the fixture comprises:

the shell is provided with a containing groove with an opening at one side, and the conductive piece is rotationally arranged in the containing groove;

the cover body is buckled on the opening of the accommodating groove to seal the accommodating groove to form the accommodating cavity;

the first conductor is arranged on the shell, one end of the first conductor extends into the accommodating groove from one side of the shell, and the first contact is arranged at the end part of the first conductor extending into the accommodating groove;

the second conductor is arranged on the shell, one end of the second conductor extends into the accommodating groove from the other side of the shell, and the second contact is arranged at the end part of the second conductor extending into the accommodating groove.