Connection device for fixing an electronic mobile device

Abstract

The application relates to the technical field of electronic mobile device fixing, and provides a connecting device for fixing an electronic mobile device, which comprises a first connecting assembly, a second connecting assembly and a hanging assembly arranged along the axial direction of the connecting device; the first connecting assembly comprises a first connecting seat provided with a first magnetic connecting piece, and the periphery of the first magnetic connecting piece is provided with a first matching structure; the second connecting assembly comprises a second connecting seat provided with a second magnetic connecting piece, and the periphery of the second magnetic connecting piece is provided with a second matching structure; the first matching structure and the second matching structure are complementarily matched; one of the first connecting assembly and the second connecting assembly is used for being connected to the electronic mobile device, and the other is used for being connected to the hanging assembly; and the hanging assembly is used for being hung with a carrier. Since the first connecting assembly and the second connecting assembly are detachably connected through magnetic attraction, the steps of dismounting and mounting are simplified, and the safety and convenience of use of the driver are improved.

Description

Technical Field

[0001] This application relates to the field of electronic mobile device fixing technology, and more specifically to a connecting device for fixing electronic mobile devices. Background Technology

[0002] Drivers often need to use mobile electronic devices for navigation or Bluetooth calls while driving, thus requiring electronic device holders to secure them for driving safety. To facilitate installation and removal without damaging the dashboard, these holders are typically mounted on the grille of the air vents at the front of the vehicle. Existing electronic device holders generally consist of a part that connects to the phone and another that connects to the vehicle body; these two parts are a single, molded structure. When the driver needs to use the phone separately for tasks such as paying bills or replying to messages, both parts must be detached from the vehicle body and then reattached afterward, impacting the convenience of using the electronic device. Utility Model Content

[0003] This application provides a connecting device for fixing electronic mobile devices, which can solve the technical problem that the integrated disassembly and installation of electronic mobile devices on a carrier through the connecting device is inconvenient to use.

[0004] This application provides a connecting device for fixing electronic mobile devices, including a first connecting component, a second connecting component, and a hanging component arranged along the axial direction of the connecting device;

[0005] The first connecting component includes a first connecting seat, a first magnetic connector is provided on the side of the first connecting seat facing the second connecting component, and a first mating structure is provided around the first magnetic connector;

[0006] The second connecting component includes a second connecting seat, a second magnetic connector is provided on the side of the second connecting seat facing the first connecting seat, and a second mating structure is provided around the second magnetic connector; the first mating structure and the second mating structure are complementary.

[0007] One of the first connecting component and the second connecting component is used to connect to an electronic mobile device, and the other is used to connect to the mounting component, which is used to connect to a carrier.

[0008] In some optional embodiments, the hook assembly includes a hook, a base, and a drive member. The drive member is movably sleeved on one end of the base, and the hook is movably disposed on the other end of the base. The drive member has a threaded portion extending axially along the connecting device. The hook has a first end and a second end opposite to each other along the connecting device. The first end passes through the base and has a protrusion on its exterior. The protrusion is movably connected to the threaded portion. The drive member can rotate around the axis of the connecting device to drive the hook to extend and retract axially along the connecting device, so as to realize the hook and the load being hooked or separated. The second end is used to hook onto the load.

[0009] In some optional embodiments, the second connecting seat has at least two extension arms on the side facing away from the first connecting seat. The at least two extension arms pass through the driving member and are evenly arranged around the first end of the hook, and are fixedly connected to the base to restrict the hook from rotating with the driving member. The base has an anti-slip protrusion on the end facing the driving member, and the driving member has an elastic connection structure that abuts against the anti-slip protrusion. The base has an abutting portion extending radially along the connecting device on the end facing away from the driving member, and the abutting portion is used to abut against the load.

[0010] In some optional embodiments, the elastic connection structure includes a spring and a spring post, the drive member has an internal telescopic groove, the spring post is disposed in the telescopic groove and one end abuts against the anti-slip protrusion, and the spring is sleeved on the outside of the spring post.

[0011] In some optional embodiments, the first connecting seat includes a side wall and a bottom wall, the side wall and the bottom wall enclosing a receiving space;

[0012] The second connecting seat includes a first protrusion and a second protrusion, the first protrusion and the second protrusion extending along the axial direction of the connecting device. The first protrusion is spaced outside the second protrusion and forms an insertion space between the first protrusion and the second protrusion. The side wall of the first connecting seat is inserted into the insertion space. The second protrusion is disposed in the receiving space and abuts against the bottom wall.

[0013] The first mating structure is disposed on the side of the bottom wall facing the second connecting seat, and the second mating structure is disposed at the end of the second protrusion facing the bottom wall.

[0014] In some alternative embodiments, the first protrusion and the second protrusion are annular protrusion structures.

[0015] In some optional embodiments, the bottom wall is further provided with a third protrusion, the third protrusion having a first receiving cavity, the first magnetic connector being received in the first receiving cavity; the second connecting seat further includes a fourth protrusion, the fourth protrusion abutting against the third protrusion, and the fourth protrusion having a second receiving cavity, the second magnetic connector being received in the second receiving cavity.

[0016] In some optional embodiments, one of the first mating structures and the second mating structure includes a toothed groove, and the other includes a toothed protrusion. Both the toothed protrusion and the toothed groove are inclined relative to the axial direction of the connecting device, and the toothed protrusion and the toothed groove mesh with each other.

[0017] In some optional embodiments, there are multiple toothed grooves, which are arranged in an arc or in a ring array around the axis of the connecting device; and / or, there are multiple toothed protrusions, which are arranged in an arc or in a ring array around the axis of the connecting device.

[0018] In some alternative embodiments, a connector is provided on the side of the first connector facing away from the second connector, the connector being used to connect an electronic mobile device; the connector includes a ball-joint connector or a threaded connector.

[0019] The connecting device for fixing electronic mobile devices according to this embodiment includes a first connecting component, a second connecting component, and a hanging component arranged along the axial direction of the connecting device. The first connecting component is used to connect the electronic mobile device, the second connecting component is used to connect the first connecting component and the hanging component, and the hanging component is used to hang on a carrier. Since the first connecting component and the second connecting component are magnetically detachably connected, it helps to facilitate the installation and removal of the first connecting component and the electronic mobile device mounted thereon, simplifying the steps of disassembly and installation, and helping to increase the safety and convenience of the driver. Since the connecting device is hung on the carrier through the hanging component, the overall efficiency of disassembly and installation of the connecting device can also be improved. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a connection device for fixing an electronic mobile device in use in one embodiment;

[0021] Figure 2 This is a schematic diagram of the structure of a connecting device for fixing an electronic mobile device in one embodiment;

[0022] Figure 3 This is a structural cross-sectional view of a connecting device for fixing an electronic mobile device in one embodiment;

[0023] Figure 4This is a schematic diagram of the disassembly structure of the mounting component in one embodiment;

[0024] Figure 5 This is a structural cross-sectional view of the drive component in one embodiment;

[0025] Figure 6 This is a schematic diagram of the base structure in one embodiment;

[0026] Figure 7 This is a schematic diagram of the structure of the first connecting component and the second connecting component after assembly in one embodiment;

[0027] Figure 8 This is a schematic diagram of the structure of the first connecting component and the second connecting component during assembly in one embodiment.

[0028] Among them: 1. Connecting device;

[0029] 10. First connecting assembly; 11. First connecting seat; 111. Side wall; 112. Bottom wall; 1121. Third protrusion; 1122. First receiving cavity; 113. Receiving space; 12. First magnetic connector; 13. First mating structure; 131. Toothed protrusion; 14. Connector;

[0030] 20. Second connecting component; 21. Second connecting seat; 211. First protrusion; 212. Second protrusion; 213. Insertion space; 214. Fourth protrusion; 2141. Second receiving cavity; 22. Second magnetic connector; 23. Second mating structure; 231. Toothed groove; 24. Extension arm;

[0031] 30. Hanging assembly; 31. Hook; 311. First end; 3111. Protrusion; 312. Second end; 32. Base; 321. Anti-slip protrusion; 322. Abutment part; 323. Buffer pad; 33. Driving component; 331. Threaded part; 332. Elastic connection structure; 3321. Spring; 3322. Spring column; 333. Telescopic groove;

[0032] 2. Electronic mobile equipment;

[0033] 3. Grille;

[0034] OO, the axis of the connecting device. Detailed Implementation

[0035] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0036] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0037] The serial numbers assigned to components in this document, such as "first," "second," etc., are used only to distinguish the objects being described and have no sequential or technical meaning.

[0038] Please see Figures 1 to 8 This application provides a connecting device 1 (hereinafter referred to as "connecting device 1") for fixing an electronic mobile device 2. The connecting device 1 is used to connect and install the electronic mobile device 2 (including tablets, mobile phones, etc.) and a carrier, the carrier including a vehicle body. For example, the connecting device 1 can be used to fix the electronic mobile device 2 (such as a mobile phone) to the grille 3 of the air vent of the vehicle body.

[0039] Please see Figure 2 The connecting device 1 includes a first connecting component 10, a second connecting component 20, and a hanging component 30 arranged along the axial direction (direction of axis OO) of the connecting device 1. One of the first connecting component 10 and the second connecting component 20 is used to connect to the electronic mobile device 2, and the other is used to connect to the hanging component 30. The hanging component 30 is used to connect to the carrier.

[0040] In some embodiments, the first connection component 10 is used to connect the electronic mobile device 2, and the second connection component 20 is used to connect the first connection component 10 and the mounting component 30.

[0041] It should be noted that the connection mentioned in this application includes direct connection and indirect connection. For example, the first connection component 10 can be directly connected to the electronic mobile device 2, or the first connection component 10 can be connected to the electronic mobile device 2 through an intermediate medium (such as a protective cover, clamp, etc.). To more clearly illustrate the technical solution of this application, the grille 3 of the air outlet will be used as a specific embodiment for detailed description below.

[0042] Please see Figure 3 and Figure 4 The first connecting component 10 includes a first connecting seat 11, a first magnetic connector 12 is provided on the side of the first connecting seat 11 facing the second connecting component 20, and a first mating structure 13 is provided around the first magnetic connector 12. The second connecting component 20 is disposed on the side of the first connecting component 10 facing away from the electronic mobile device 2. The second connecting component 20 includes a second connecting seat 21, a second magnetic connector 22 is provided on the side of the second connecting seat 21 facing the first connecting seat 11, and a second mating structure 23 is provided around the second magnetic connector 22. The first mating structure 13 and the second mating structure 23 are also provided. Complementary cooperation; through the relative arrangement of the first magnetic component and the second magnetic component, the first connecting seat 11 and the second connecting seat 21 can be magnetically detached and connected. Thus, when the driver needs to use the electronic mobile device 2 (such as a mobile phone) alone, the first connecting component 10 and the electronic mobile device 2 (such as a mobile phone) mounted on it can be easily removed. After use, it can be directly installed on the second connecting component 20 by magnetic attraction to achieve connection with the grille 3. It is not necessary to remove the connecting device 1 from the grille 3 as a whole, which simplifies the disassembly and installation steps and helps to increase the safety and convenience of the driver.

[0043] Please see Figure 3 and Figure 4The hook assembly 30 is disposed on the side of the second connecting seat 21 facing away from the first connecting seat 11. The hook assembly 30 is used to hook onto the load. The hook assembly 30 includes a hook 31, a base 32, and a driving member 33. The driving member 33 is movably sleeved on one end of the base 32, and the hook 31 is movably disposed on the other end of the base 32. The driving member 33 has a threaded portion 331 extending along the axial direction (direction of axis OO) of the connecting device 1. The hook 31 has a first end 311 and a second end 312 opposite to each other along the axial direction (direction of axis OO) of the connecting device 1. The first end 311 passes through the base 32 and has a protrusion 3111 on the outside. The starting part 3111 is movably connected to the threaded part 331. The protruding part 3111 is a threaded protrusion structure. The driving member 33 can rotate around the axis OO of the connecting device to drive the hook 31 to extend and retract along the axis (direction of axis OO) of the connecting device 1, so as to realize the hook 31 and the grid 3 to be hooked or separated. The second end 312 is used to hook with the grid 3. It can also be understood that when the hook 31 extends and retracts to the left and right, its second end 312 can be hooked on the grid 3 to achieve fixation or separation from the grid 3 for easy disassembly. The operation is simple by hooking the hook 31 to the grid 3, which can improve the efficiency of fixing electronic mobile devices 2 (such as mobile phones).

[0044] Specifically, the base 32 serves as the foundation for connecting the hook 31 and the drive member 33. The drive member 33 can rotate relative to the base 32. The hook 31 is movably connected to the base 32 and threadedly engaged with the drive member 33. Thus, the rotation of the drive member 33 relative to the base 32 can be used to drive the hook 31 to extend and retract relative to the base 32 along the axial direction (direction of axis OO) of the connecting device 1. When the hook 31 extends, it can be inserted into the gap between two adjacent grids 3. Then, by retracting, the hook 31 is hooked onto one of the grids 3 to achieve fixation and positioning.

[0045] In some embodiments, the drive member 33 has multiple protruding ridges on its outer surface, which can increase the friction of the outer surface of the drive member 33 and help to rotate the drive member 33 with less effort. The rotation of the drive member 33 can be achieved manually or with the help of external tools. The protruding ridges increase the friction between the hand or tool and the drive member 33.

[0046] Please continue reading. Figure 3 The second connecting seat 21 has at least two extension arms 24 on the side opposite to the first connecting seat 11. The at least two extension arms 24 pass through the driving member 33 and are evenly arranged around the first end 311 of the hook 31, and are fixedly connected to the base 32 to restrict the hook 31 from rotating with the driving member 33.

[0047] Please see Figure 4 , Figure 5 and Figure 6The base 32 has an anti-slip protrusion 321 at one end facing the drive member 33. The drive member 33 has an elastic connection structure 332 that abuts against the anti-slip protrusion 321. The base 32 has an abutment portion 322 that extends outward along the radial direction of the connecting device 1 at one end facing away from the drive member 33. The abutment portion 322 forms a protective wing structure that partially cooperates with the middle part of the base 32 and abuts against the load. The abutment portion 322 has multiple (two or more) grooves. These grooves can be locked onto the grille 3, thereby increasing the contact area and friction between the second connecting seat 21 and the grille 3, and further improving the stability of the connection between the second connecting seat 21 and the grille 3. The middle part of the base 32 has a buffer pad 323. The buffer pad 323 is made of silicone or rubber material, which can increase the friction between the base 32 and the grille 3 and also buffer the impact force of shaking on the connecting device 1 and the grille 3 during driving.

[0048] Specifically, the extension arm 24 provided on the second connecting seat 21 is located on the side of the first end 311 of the hook 31 and is closely fitted to it. The end of the extension arm 24 is fixed on the base 32, so the extension arm 24 cannot move relative to the base 32 (including rotation and extension). The extension arm 24 is fitted to the first end 311, which can effectively prevent the hook 31 from rotating synchronously with the driving member 33, and helps to ensure that the driving member 33 uses the rotation to drive the hook 31 to extend and retract.

[0049] In one specific embodiment, there are two extension arms 24, which are symmetrically arranged on both sides of the hook 31 so that the first end 311 of the hook 31 is evenly stressed and the two sides interfere with each other, thereby effectively preventing the hook 31 from rotating.

[0050] In some embodiments, the end of the extension arm 24 is fixed to the base 32 by a fixing structure such as screws or bolts. Of course, in other embodiments, the extension arm 24 can also be plugged or snapped to the base 32.

[0051] Please continue reading. Figure 5In some embodiments, the elastic connection structure 332 includes a spring 3321 and a spring post 3322. The drive member 33 has a telescopic groove 333 inside, and the spring post 3322 is disposed in the telescopic groove 333, with one end abutting against the anti-slip protrusion 321. The spring 3321 is sleeved on the outside of the spring post 3322. There are multiple anti-slip protrusions 321, which are arranged in a circular array around the axis OO of the connecting device. The cross-section of the anti-slip protrusion 321 is arc-shaped, and the end face of the spring post 3322 that abuts against it is also arc-shaped, and the two cooperate with each other. When the drive component 33 rotates, the spring column 3322 can also rotate along the anti-slip protrusion 321. The friction between the two rotations is used to achieve self-locking. That is, when the drive component 33 is not manually or manually rotated, the friction can overcome the external force (such as the shaking force during the operation of the car), so that the drive component 33 will not drive the hook 31 to extend or retract under the force, effectively ensuring the stable connection between the hook 31 and the grille 3.

[0052] Please see Figure 7 The first connecting seat 11 includes a side wall 111 and a bottom wall 112, which together form a receiving space 113. The second connecting seat 21 includes a first protrusion 211 and a second protrusion 212, which extend along the axial direction (direction of axis OO) of the connecting device 1. The first protrusion 211 is spaced out from the outside of the second protrusion 212, and an insertion space 213 is formed between the first protrusion 211 and the second protrusion 212. The side wall 111 of the first connecting seat 11 is inserted into the insertion space 213, and the second protrusion 212 is disposed in the receiving space 113 and abuts against the bottom wall 112. The first mating structure 13 is disposed on the side of the bottom wall 112 facing the second connecting seat 21, and the second mating structure 23 is disposed on the end of the second protrusion 212 facing the bottom wall 112. The first protrusion 211 and the second protrusion 212 form an insertion space 213 to limit the first connecting seat 11. This overcomes the axial (direction of axis OO) bending force caused by the vehicle body during driving and the weight of the electronic mobile device 2 (such as a mobile phone) and the first connecting component 10 itself. This ensures that the center of the first connecting component 10 is stably maintained on the axis OO of the connecting device, avoiding the influence of the axial (direction of axis OO) bending force on the magnetic connection between the first connecting component 10 and the second connecting component 20. This effectively ensures the stable connection between the two. Furthermore, the side wall 111 of the first connecting seat 11 and the insertion space 213 are fitted with a clearance, which facilitates the quick insertion and connection or separation of the first connecting seat 11 and the second connecting seat 21. After the first connecting seat 11 and the second connecting seat 21 are separated, the electronic mobile device 2 can be used independently, or it can be rotated and adjusted at an angle before being inserted into the second connecting seat 21 and fixed to the carrier grille 3.

[0053] In some embodiments, the first protrusion 211 and the second protrusion 212 are annular protrusion structures. It should be noted that the annular protrusion structure here should be interpreted broadly, that is, the annular protrusion structure should be understood as any closed, continuous shape, and the cross-sectional profile of the annular protrusion structure can be circular, elliptical, quadrilateral, polygonal or other irregular structure.

[0054] Please continue reading. Figure 7 In some embodiments, the bottom wall 112 is further provided with a third protrusion 1121, and the third protrusion 1121 is provided with a first receiving cavity 1122, and the first magnetic connector 12 is received in the first receiving cavity 1122; the second connecting seat 21 further includes a fourth protrusion 214, the fourth protrusion 214 abuts against the third protrusion 1121, and the fourth protrusion 214 is provided with a second receiving cavity 2141, and the second magnetic connector 22 is received in the second receiving cavity 2141.

[0055] Please see Figure 8 In some embodiments, one of the first mating structure 13 and the second mating structure 23 includes a toothed groove 231, and the other includes a toothed protrusion 131. Both the toothed protrusion 131 and the toothed groove 231 are inclined relative to the axial direction (direction of axis OO) of the connecting device 1, and the toothed protrusion 131 and the toothed groove 231 mesh with each other. The engagement of the toothed protrusion 131 and the toothed groove 231, in conjunction with magnetic attraction, enables a stable connection between the first connecting component 10 and the second connecting component 20. The inclined tooth structure effectively reduces slippage between contact points, avoiding wear and loosening caused by frequent insertion and removal. In addition, the inclined tooth structure can also help the magnetic connector 14 to be better aligned during the connection process, improving the convenience and consistency of the connection. One of the first mating structure 13 and the second mating structure 23 includes a plurality of spaced-apart toothed grooves 231, and the other includes a plurality of spaced-apart toothed protrusions 131. This can be understood as the first mating structure 13 including toothed grooves 231 and the second mating structure 23 including toothed protrusions 131; or, as shown in the figure, the first mating structure 13 including toothed protrusions 131 and the second mating structure 23 including toothed grooves 231. The toothed grooves and toothed protrusions are preferred structures.

[0056] In some embodiments, there are multiple toothed grooves, and the multiple toothed grooves 231 are arranged in an arc or in a ring array around the axis OO of the connecting device; and / or, there are multiple toothed protrusions, and the multiple toothed protrusions 131 are arranged in an arc or in a ring array around the axis OO of the connecting device.

[0057] It should be noted that "and / or" means that either of the above two can be selected, or both can be provided. It can also be understood as: multiple toothed grooves 231 are arranged in an arc around the axis OO of the connecting device, and multiple toothed protrusions 131 are arranged in an arc around the axis OO of the connecting device; or multiple toothed grooves 231 are arranged in an arc around the axis OO of the connecting device, and multiple toothed protrusions 131 are arranged in a circular array around the axis OO of the connecting device; or multiple toothed grooves 231 are arranged in a circular array around the axis OO of the connecting device, and multiple toothed protrusions 131 are arranged in a circular array around the axis OO of the connecting device; or multiple toothed grooves 231 are arranged in an arc around the axis OO of the connecting device, and multiple toothed protrusions 131 are arranged in an arc around the axis OO of the connecting device. The purpose of this application is to increase friction through the interlocking toothed grooves 231 and toothed protrusions 131; therefore, the presence of interlocking toothed grooves 231 and toothed protrusions 131 is sufficient. When both the toothed groove 231 and the toothed protrusion 131 are arranged in a circular array, the first connecting component 10 can be inserted into the second connecting component 20 at any angle (360° rotation) and magnetically connected to it stably. When the first connecting component 10 and the second connecting component 20 are adjusted at an angle without being completely separated, the toothed groove 231 and the toothed protrusion 131, under the action of the first magnetic connector 12 and the second magnetic connector 22, produce a damped rotation adjustment feel, allowing the user to make stable angle adjustments.

[0058] In some embodiments, the first connecting seat 11 has a connector 14 on the side facing away from the second connecting seat 21. The connector 14 is used to connect the electronic mobile device 2. The connector 14 includes a ball-end connector 14 or a threaded connector 14. The ball-end connector 14 can be rotatably connected to the bracket of the electronic device, thereby facilitating 360° adjustment of the angle of the electronic mobile device 2 (such as a mobile phone), that is, the electronic mobile device 2 (such as a mobile phone) can be adjusted to portrait or landscape mode to meet the different usage needs of the driver. The threaded connector 14 and the bracket of the electronic device are detachably connected, which helps to quickly remove the electronic mobile device 2 (such as a mobile phone) when the driver leaves the car.

[0059] The above embodiments are described with the first connecting component 10 connected to the electronic mobile device 2 and the second connecting component 20 connected to the mounting component 30; similarly, it is also feasible for the first connecting component 10 to be connected to the mounting component 30 and the second connecting component 20 to be connected to the electronic mobile device 2.

[0060] The above examples illustrate this application only to aid understanding and are not intended to limit its scope. Those skilled in the art to which this application pertains can make various simple deductions, modifications, or substitutions based on the ideas presented.

Claims

1. A connecting device for fixing electronic mobile devices, characterized in that, It includes a first connecting component, a second connecting component, and a hanging component arranged along the axial direction of the connecting device; The first connecting component includes a first connecting seat, a first magnetic connector is provided on the side of the first connecting seat facing the second connecting component, and a first mating structure is provided around the first magnetic connector; The second connecting component includes a second connecting seat, a second magnetic connector is provided on the side of the second connecting seat facing the first connecting seat, and a second mating structure is provided around the second magnetic connector; the first mating structure and the second mating structure are complementary. One of the first connecting component and the second connecting component is used to connect to an electronic mobile device, and the other is used to connect to the mounting component, which is used to connect to a carrier.

2. The connecting device for fixing electronic mobile devices according to claim 1, characterized in that, The hook assembly includes a hook, a base, and a drive component. The drive component is movably sleeved on one end of the base, and the hook is movably disposed on the other end of the base. The drive component has a threaded portion extending along the axial direction of the connecting device. The hook has a first end and a second end opposite to each other along the axial direction of the connecting device. The first end passes through the base and has a protrusion on its exterior. The protrusion is movably connected to the threaded portion. The drive component can rotate around the axis of the connecting device to drive the hook to extend and retract along the axial direction of the connecting device, so as to realize the hook and the load being hooked or separated. The second end is used to hook onto the load.

3. The connecting device for fixing electronic mobile devices according to claim 2, characterized in that, The second connecting seat has at least two extension arms on the side opposite to the first connecting seat. The at least two extension arms pass through the driving member and are evenly arranged around the first end of the hook, and are fixedly connected to the base to restrict the hook from rotating with the driving member. The base has an anti-slip protrusion on the end facing the driving member. The driving member has an elastic connection structure that abuts against the anti-slip protrusion. The base has an abutment portion extending radially along the connecting device on the end opposite to the driving member. The abutment portion is used to abut against the load.

4. The connecting device for fixing electronic mobile devices according to claim 3, characterized in that, The elastic connection structure includes a spring and a spring column. The drive component has an internal telescopic groove. The spring column is disposed in the telescopic groove and one end abuts against the anti-slip protrusion. The spring is sleeved on the outside of the spring column.

5. The connecting device for fixing electronic mobile devices according to claim 1, characterized in that, The first connecting seat includes a side wall and a bottom wall, which together form an accommodating space; The second connecting seat includes a first protrusion and a second protrusion, the first protrusion and the second protrusion extending along the axial direction of the connecting device. The first protrusion is spaced outside the second protrusion and forms an insertion space between the first protrusion and the second protrusion. The side wall of the first connecting seat is inserted into the insertion space. The second protrusion is disposed in the receiving space and abuts against the bottom wall. The first mating structure is disposed on the side of the bottom wall facing the second connecting seat, and the second mating structure is disposed on the end of the second protrusion facing the bottom wall.

6. The connecting device for fixing electronic mobile devices according to claim 5, characterized in that, The first protrusion and the second protrusion are annular protrusion structures.

7. The connecting device for fixing electronic mobile devices according to claim 5, characterized in that, The bottom wall is also provided with a third protrusion, and the third protrusion has a first receiving cavity, in which the first magnetic connector is received; the second connecting seat also includes a fourth protrusion, which abuts against the third protrusion, and the fourth protrusion has a second receiving cavity, in which the second magnetic connector is received.

8. The connecting device for fixing electronic mobile devices according to claim 1, characterized in that, One of the first mating structure and the second mating structure includes a toothed groove, and the other includes a toothed protrusion. Both the toothed protrusion and the toothed groove are inclined relative to the axial direction of the connecting device, and the toothed protrusion and the toothed groove mesh with each other.

9. The connecting device for fixing electronic mobile devices according to claim 8, characterized in that, The toothed grooves are multiple, and the multiple toothed grooves are arranged in an arc or in a ring array around the axis of the connecting device; and / or, the toothed grooves are multiple, and the multiple toothed protrusions are arranged in an arc or in a ring array around the axis of the connecting device.

10. The connecting device for fixing electronic mobile devices according to claim 1, characterized in that, The first connector has a connector on the side opposite to the second connector, the connector being used to connect electronic mobile devices; the connector includes a ball-head connector or a threaded connector.

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