TWI839212B - Mobile device magnetic lock assembly - Google Patents

Abstract

The present invention is a mobile device magnetic lock assembly, comprising a fixed part and a movable part. The fixed part is provided with a central positioning groove, a plurality of position limiting notches and a plurality of position limiting magnets arranged around the central positioning groove; the movable part is provided with a central magnet and a plurality of radially spaced movable lock pieces in the body, and the central magnet can magnetically attract each movable lock piece and hide it in the movable part; when in use, the movable part is placed on an external mobile device. The movable part on the back of the device can be embedded and magnetically positioned in the central positioning groove of the fixing part, and the movable lock is magnetically inserted into the limiting notch of the fixing part through the limiting magnet, so that the mobile device is forcibly locked on the fixing part through the movable part; when disassembling, the mobile device and the movable part can be pushed outward and rotated, and the movable lock is triggered to reset, so that the mobile device can be removed, which improves the positioning stability and convenience of use, and also has an anti-theft function.

Description

Mobile device magnetic lock assembly

The present invention relates to a mobile device magnetic locking assembly, which can stably fix an external mobile device in a dual manner of magnetic attraction and locking, and can remove the external mobile device in two steps of linear movement, pushing and pulling, and lateral rotation, while increasing the positioning strength and providing simple and fast operation. The present invention particularly relates to a fixing part, a ring cover, a movable part and a movable locking plate of the mobile device magnetic locking assembly.

The existing magnetic components of mobile devices such as smart phones, tablet computers, digital photo frames and dashcams usually have magnets on the back of the mobile device and on the support frame, so that the magnets of the mobile device and the support frame can be magnetically attracted to each other and positioned by magnetic attraction, and according to the arrangement of the polarity of the magnetic poles, the user can adjust the angle of the mobile device on the support frame at will, so that the user can install the mobile device on a car, motorcycle or table through the support frame. For example, the Taiwan patent No. I491340 "Positioning component of electronic device" previously applied for and approved by the applicant provides a typical implementation method.

Although the aforementioned magnetic positioning assembly is superior to the general traditional mechanical positioning assembly in terms of ease of operation and positioning stability, there is still room for further improvement. For example, when the magnetic positioning assembly is used on a vehicle, it is often in a vibrating environment. If it can be combined with traditional mechanical clamping technology, the positioning of the mobile device can be enhanced. However, how to combine the dual positioning of magnetic positioning and mechanical clamping with the function of convenient disassembly and assembly is a problem that the inventors want to improve.

The purpose of the present invention is to provide a mobile device magnetic locking assembly, which ensures that the external mobile device can be quickly and easily installed and removed, and further improves the positioning strength and stability of the external mobile device by mechanical locking. At the same time, it can also prevent the unauthorized removal by malicious persons, and has an anti-theft function.

To achieve the above-mentioned purpose, the present invention is a mobile device magnetic locking assembly, comprising a fixing member and a movable member that can be directly or indirectly assembled on the back of an external mobile device, wherein: The fixing member includes a base, a ring cover, and a first multi-pole magnetic unit, wherein the base has an outer ring portion, the inner periphery of the outer ring portion is provided with a generally circular central positioning groove, and a plurality of limiting notches arranged around the central positioning groove and connected to the central positioning groove, and the outer ring portion is provided with a limiting magnet relative to each limiting notch; the aforementioned ring cover is arranged on the outer ring portion of the base, and a guide portion is respectively provided between the base and the ring cover relative to each limiting notch; the aforementioned first multi-pole magnetic unit is arranged in a ring shape at the bottom of the central positioning groove; The movable part comprises a body, which is roughly disc-shaped and corresponds to the inner edge contour of the central positioning groove of the fixed part. The movable part body is provided with a second multi-pole magnetic unit corresponding to the first multi-pole magnetic unit of the fixed part, a central magnet located in the center of the body, and a plurality of movable locks arranged radially and spaced outward from the outer edge of the central magnet; wherein the magnetic attraction of the central magnet is smaller than the limiting magnet of the fixed part, and the central magnet can magnetically attract the inner end of each movable lock, so that the outer end of each movable lock is hidden in the movable part body; each magnetic pole of the second multi-pole magnetic unit is arranged corresponding to each magnetic pole of the first multi-pole magnetic unit with opposite magnetism; When the movable body is embedded in the central positioning groove of the fixed part, the first multi-pole magnetic unit of the fixed part and the second multi-pole magnetic unit of the movable part are attracted and positioned by opposite poles, and each limiting magnet of the fixed part can magnetically attract the outer side end of a movable lock plate, so that the outer side ends of the movable lock plates extend out of the outer edge of the movable body and are respectively inserted into the corresponding limiting notches of the fixed part, so that the external mobile device is locked on the fixed part through the movable part; and When the movable part is moved and deflected in a direction away from the fixed part, the outer end of each movable lock plate can be driven to be pushed by the corresponding guide part and retracted into the movable part body, so that the inner end of each movable lock plate is adsorbed and reset by the central magnet. At the same time, the second multi-pole magnetic unit of the movable part is deflected and repelled by the magnetism of the first multi-pole magnetic unit of the fixed part, so that the movable part is separated from the fixed part.

By means of the above structure, when in use, the movable part arranged on the back of the external mobile device can be embedded and magnetically positioned in the central positioning groove of the fixing part, and the movable lock piece is magnetically inserted into the limiting notch of the fixing part by means of the limiting magnet, so that the external mobile device is forcibly locked on the fixing part through the movable part; when disassembling, the mobile device and the movable part can be pushed outward and rotated, and the movable lock piece is triggered to reset, so that the mobile device and the movable part can be removed from the fixing part, thereby improving the stability during positioning and the convenience during use, and also having an anti-theft function.

The following further describes the implementation of each component:

In practice, the ring cover can be movably arranged on the front side of the outer ring of the seat body, each limiting notch of the fixing member forms a front notch on the outer ring of the seat body, and each limiting notch forms a side notch on the inner edge of the central positioning groove, and each guide portion is respectively arranged on both sides of the side notch of the corresponding limiting notch adjacent to the bottom surface of the ring cover; and When the movable member moves in a direction away from the fixing member, the movable lock piece can drive the ring cover to move outward, and align the two sides of the movable lock piece with the guide portion, so as to guide each movable lock piece to retract into the movable member body when the movable member rotates.

During implementation, a plurality of reset magnets are arranged on the outer ring portion of the fixing member, which can magnetically reset the ring cover.

During implementation, the outer ring of the fixing member base is provided with a plurality of guide holes or guide pillars, and the ring cover is provided with a plurality of corresponding guide pillars or guide holes, so that the ring cover moves relative to the outer ring under the guidance of the plurality of guide pillars and guide holes.

During implementation, a stopper is provided at the end of each guide post, and the stopper can restrain the guide post from moving in the guide hole.

During implementation, the movable member is provided with a guide groove relative to each movable locking piece, and each movable locking piece can be displaced in the corresponding guide groove.

During implementation, an expanded diameter space is provided at one end of the guide slot adjacent to the central magnet, and an expanded diameter portion is provided at the inner end of the movable lock plate contacting the central magnet. The expanded diameter portion is constrained to move within the expanded diameter space to control the length of the movable lock plate extending beyond the outer edge of the movable member.

In implementation, the first multi-pole magnetic unit is composed of a plurality of magnetic poles arranged into at least one ring shape, and the polarities of two adjacent magnetic poles of the first multi-pole magnetic unit are oppositely arranged, and the second multi-pole magnetic unit is composed of a plurality of magnetic poles arranged into at least one ring shape, and the polarities of two adjacent magnetic poles of the second multi-pole magnetic unit are oppositely arranged.

During implementation, the fixed part and the movable part are in a magnetically attracted state when the relative angles between the fixed part and the movable part are at least 0, 90, 180 and 270 degrees, and repel each other and separate after the two parts are deflected at an angle relative to each other.

During implementation, the fixing member can be mounted on a support frame of the external mobile device.

Compared with the prior art, the present invention can stably fix the external mobile device by the dual methods of magnetic attraction and mechanical locking, and remove the external mobile device by two steps of linear movement and lateral rotation. While increasing the positioning strength, it also provides a simple and fast positioning effect and has an anti-theft function.

The following is a list of implementations suitable for the present invention based on the technical means of the present invention, and is illustrated with accompanying drawings as follows:

Please refer to the first and second figures, which disclose the diagrams of the preferred embodiment of the present invention. The figures disclose that the mobile device magnetic locking assembly of the present invention comprises a fixing member 1 and a movable member 2. The fixing member 1 can be installed on a support frame 3 of an external mobile device, and the movable member 2 can be assembled on the back of the external mobile device 4 or the external mobile device cover.

Please refer to the third to seventh figures, in the preferred embodiment, the fixing member 1 includes a base 11, a plurality of limiting magnets 12, a first multi-pole magnetic unit 13, a plurality of reset magnets 14 and a ring cover 15. The back of the base 11 can be mounted on the top of the support frame 3 for fixing the entire fixing member 1. In practice, the support frame 3 is not limited to the shape and structure shown in the figure, and is explained.

In the figure, the base body 11 has an outer ring portion 111, the inner periphery of the outer ring portion 111 is provided with a generally circular central positioning groove 112, and a plurality of limiting notches 114 arranged at intervals around the central positioning groove 112. The majority of the limiting notches 114 are connected to the central positioning groove 112, so that each limiting notch 114 forms a front notch 115 on the outer ring portion 111 of the base body 11, and a side notch 116 is formed on the inner edge 113 of the central positioning groove 112. The aforementioned majority of limiting magnets 12 are respectively arranged at the outer side position of the outer ring portion 111 relative to each limiting notch 114.

In addition, the aforementioned first multi-pole magnetic unit 13 is disposed at the bottom of the central positioning groove 112 of the base 11; please refer to Figure 8, the first multi-pole magnetic unit 13 is composed of a plurality of magnetic poles 131, 132 arranged into at least one ring layer, and the polarities N and S of two adjacent magnetic poles 131, 132 of the first multi-pole magnetic unit 13 are oppositely arranged.

As shown in FIGS. 3 to 7 , the ring cover 15 is movably disposed on the outer ring portion 111 of the base 11. Specifically, the outer ring portion 111 of the base 11 is provided with a plurality of guide holes 117, and the bottom surface 150 of the ring cover 15 is provided with a plurality of guide posts 151 respectively inserted into the guide holes 117, so that the ring cover 15 can be guided by the plurality of guide posts 151 and the guide holes 117 to move away from the outer ring portion 111 of the base 11 and to return to its original position; in practice, an enlarged stopper 152 (e.g., a nut or a rivet cap) can be provided at the end of each guide post 151 to limit the distance that the corresponding guide post 151 moves in the guide hole 117 through the stopper 152. Of course, in practice, a plurality of guide posts may be disposed on the outer ring portion 111 of the seat body 11, and a plurality of corresponding guide holes may be disposed on the ring cover 15 to achieve an equivalent limiting function.

Please refer to Figures 1, 6, 7, 8, 10 and 11. The movable part 2 includes a main body that is generally in the shape of a circular disc. The main body corresponds to the contour of the inner edge 113 of the central positioning groove 112 of the fixing part 1. The main body of the movable part 2 has an outer edge 21, and the outer edge 21 of the main body can slide and contact the inner edge 113 of the central positioning groove 112 of the fixing part 1.

A central magnet 22 and a plurality of guide slots 23 are provided in the center of the main body of the movable part 2; wherein the magnetic attraction of the central magnet 22 is smaller than the magnetic attraction of the limiting magnet 12 of the fixed part 1; the plurality of guide slots 23 are radially arranged from the outer edge of the central magnet 22 to the outside, and a long strip movable lock plate 24 is provided in each guide slot 23, and the central magnet 22 can magnetically attract the inner end of each movable lock plate 24, so that the outer end 241 of each movable lock plate 24 is hidden in the outer edge 21 of the main body along the guide slot 23.

The movable part 2 has a second multi-pole magnetic unit 25 corresponding to the first multi-pole magnetic unit 13 of the fixed part 1. The second multi-pole magnetic unit 25 is composed of a plurality of magnetic poles arranged in at least one ring shape, and each magnetic pole of the second multi-pole magnetic unit 25 is arranged in opposite magnetic properties to each magnetic pole 131, 132 of the first multi-pole magnetic unit 13.

Please refer to Figures 3, 12, 13, 16 and 17. In a preferred embodiment, a guide portion 154 is provided between the base 11 and the ring cover 15 of the fixing member 1 relative to each limiting notch 114. In this embodiment, the bottom surface 150 of the ring cover 15 contacts the outer ring portion 111 of the base 11, and each guide portion 154 is provided on both sides of the side notch 116 of the bottom surface 150 of the ring cover 15 adjacent to the corresponding limiting notch 114.

According to the above-mentioned component composition, the present invention can be implemented, as shown in Figures 5 to 7, when the user wants to install the external mobile device 4 on the fixing member 1 of the support frame 3, the movable member 2 on the back of the external mobile device 4 can be embedded in the central positioning groove 112 of the fixing member 1, and the mobile device 4 and the movable member 2 are magnetically attracted to the fixing member 1 through the opposite magnetic poles of the first multi-pole magnetic unit 13 of the fixing member 1 and the second multi-pole magnetic unit 25 of the movable member 2.

Furthermore, since the magnetic attraction force of the limiting magnet 12 of the fixing member 1 is greater than the magnetic attraction force of the central magnet 22 of the movable member 2, each limiting magnet 12 on the fixing member 1 can magnetically attract the outer side end 241 of the movable lock plate 24 at the corresponding position on the movable member 2, so that the outer side end 241 of each movable lock plate 24 extends out of the outer edge 21 of the main body along the guide groove 23, and is inserted into the limiting notch 114 from the corresponding side notch 116. Then, due to the restriction of the limiting notch 114, the mobile device 4 and the movable member 2 cannot be directly pulled out, thereby forcibly locking the external mobile device 4 and the movable member 2 on the fixing member 1.

In practice, an expanded diameter space 231 is provided at one end of each guide slot 23 adjacent to the central magnet 22, and an expanded diameter portion 242 is provided at the inner end of the movable locking piece 24 contacting the central magnet 22. The expanded diameter portion 242 is constrained to move within the expanded diameter space 231 to control the length of the outer end 241 of the movable locking piece 24 extending beyond the outer edge 21 of the body.

Please refer to the second, third and fourteenth figures. When the user wants to remove the external mobile device 4 from the fixing member 1, the user can push the external mobile device 4 away from the fixing member 1, so that the movable member 2 can push against the bottom surface 150 of the ring cover 15 through the outer side end 241 of the movable lock piece 24 inserted into the limiting notch 114, so as to drive the ring cover 15 to move outward by a distance h, and the distance h is less than or equal to the distance that the stop portion 152 of the guide column 151 moves in the guide hole 117.

When the ring cover 15 moves outward, the outer end 241 of the movable lock plate 24 can be aligned with the corresponding guide portion 154. At this time, as shown in Figures 15 to 20, the user can apply a deflection force to the mobile device to allow the movable member 2 to rotate in the central positioning groove 112, so as to drive the outer end 241 of each movable lock plate 24 to be guided and pushed by the guide portion 154 and retracted and hidden in the body of the movable member 2. At the same time, the second multi-pole magnetic unit 25 of the movable member 2 is deflected and repelled from the magnetism of the first multi-pole magnetic unit 13 of the fixed member 1, thereby generating a thrust to separate the movable member 2 from the fixed member 1.

As shown in the third and fourth figures, during implementation, a plurality of reset magnets 14 are provided on the outer ring portion 111 surrounding the central positioning groove 112 of the base body 11, and a magnetic conductive metal 155 is provided on the bottom surface 150 of the ring cover 15 corresponding to each reset magnet 14, so that the reset magnet 14 can magnetically attract the magnetic conductive metal 155 of the ring cover 15 after the ring cover 15 moves away from the base body 11, so that the ring cover 15 moves and resets.

In addition, as shown in the fifth, seventh to tenth figures, the first multi-pole magnetic unit 13 and/or the second multi-pole magnetic unit 25 can be arranged into a single ring layer by a plurality of magnetic poles 131, 132, or arranged into a plurality of ring layers by a plurality of magnetic poles 131, 132, 133, 134. And each magnetic pole of the second multi-pole magnetic unit 25 is arranged in opposite magnetic properties to each magnetic pole of the first multi-pole magnetic unit 13, so that the fixed part 1 and the movable part 2 are in a magnetically attracted state when the relative angles are at least 0 degrees, 90 degrees, 180 degrees and 270 degrees, and repel each other and separate after the two are deflected relative to each other by an angle.

It is understood that the present invention, through the above-mentioned technical means such as the fixing member 1, the ring cover 15, the movable member 2 and the movable lock plate 24, can ensure that the external mobile device 4 can be quickly and easily installed and disassembled, and can also adopt a mechanical locking method to further enhance the positioning strength and stability of the external mobile device 4. It can not only prevent the mobile device from falling off the fixing member 1 when used in a shaking environment (such as in a car), but the two-stage disassembly method can also prevent the intentional person from taking it at will, and has an anti-theft function.

The above-mentioned embodiments and drawings are merely examples of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any objects, structures, devices, features, etc. similar or identical to those of the present invention shall fall within the patent scope of the present invention.

1: Fixing member 11: Base 111: Outer ring 112: Central positioning groove 113: Inner edge 114: Limiting notch 115: Front notch 116: Side notch 117: Guide hole 12: Limiting magnet 13: First multi-pole magnetic unit 131, 132, 133, 134: Magnetic poles 14: Reset magnet 15: Ring cover 150: Bottom surface 151: Guide column 152: Stopper 154: Guide part 155: Magnetic metal 2: Movable member 21: Outer edge 22: Central magnet 23: Guide groove 231: Diameter expansion space 24: Movable lock 241: Outer end 242: Expanded diameter 25: Second multi-pole magnetic unit 3: Support frame 4: External mobile device h: Spacing N, S: Polarity

Figure 1: A three-dimensional diagram of a preferred embodiment of the present invention. Figure 2: A schematic diagram of the installation position of the fixed part and the movable part of the present invention. Figure 3: A three-dimensional exploded diagram of the fixed part of the present invention. Figure 4: A schematic diagram of the front cross-section of the fixed part of the present invention. Figure 5: A three-dimensional diagram of the use state of the fixed part and the movable part of the present invention. Figure 6: A schematic diagram of the front cross-section of the fixed part and the movable part of the present invention. Figure 7: A schematic diagram of the side cross-section of the fixed part and the movable part of the present invention. Figure 8: A schematic diagram of the configuration of the first multi-pole magnetic unit of the present invention. Figure 9: A schematic diagram of the configuration of another embodiment of the first multi-pole magnetic unit of the present invention. Figure 10: A three-dimensional exploded diagram of the movable part of the present invention. Figure 11: A schematic diagram of the front cross-section of the movable part of the present invention. Figure 12: Front view cross-sectional diagram of the movable part of the present invention after being locked with the fixed part. Figure 13: Side view cross-sectional diagram of the movable part of the present invention after being locked with the fixed part. Figure 14: Schematic diagram of the movable part and the ring cover of the present invention moving away from the seat body. Figure 15: Schematic diagram of the external moving device and the movable part of the present invention deflecting relative to the fixed part. Figure 16: Front view cross-sectional diagram of the movable part of the present invention deflecting relative to the fixed part. Figure 17: Side view cross-sectional diagram of Figure 16. Figure 18: Schematic diagram of the movable lock of the movable part of the present invention being magnetically attracted and reset by the central magnet. Figure 19: Side view cross-sectional diagram of Figure 18. Figure 20: Schematic diagram of the ring cover of the fixed part of the present invention being magnetically attracted and reset by the reset magnet.

1: Fixing parts

11: Seat

112: Central positioning slot

113: Inner Edge

116: Side notch

15: Ring cover

2:Active parts

24: Movable lock

3: Support frame

4: External mobile devices

Claims (10)

A mobile device magnetic locking assembly includes a fixing member and a movable member that can be directly or indirectly assembled on the back of an external mobile device, wherein: The fixing member includes a base, a ring cover, and a first multi-pole magnetic unit, wherein the base has an outer ring portion, the inner periphery of the outer ring portion is provided with a generally circular central positioning groove, and a plurality of limiting notches arranged around the central positioning groove and connected to the central positioning groove, and the outer ring portion is provided with a limiting magnet relative to each limiting notch; the aforementioned ring cover is arranged on the outer ring portion of the base, and a guide portion is respectively provided between the base and the ring cover relative to each limiting notch; the aforementioned first multi-pole magnetic unit is arranged in a ring shape at the bottom of the central positioning groove; The movable part comprises a body, which is roughly disc-shaped and corresponds to the inner edge contour of the central positioning groove of the fixed part. The movable part body is provided with a second multi-pole magnetic unit corresponding to the first multi-pole magnetic unit of the fixed part, a central magnet located in the center of the body, and a plurality of movable locks arranged radially and spaced outward from the outer edge of the central magnet; wherein the magnetic attraction of the central magnet is smaller than the limiting magnet of the fixed part, and the central magnet can magnetically attract the inner end of each movable lock, so that the outer end of each movable lock is hidden in the movable part body; each magnetic pole of the second multi-pole magnetic unit is arranged corresponding to each magnetic pole of the first multi-pole magnetic unit with opposite magnetism; When the movable body is embedded in the central positioning groove of the fixed part, the first multi-pole magnetic unit of the fixed part and the second multi-pole magnetic unit of the movable part are attracted and positioned by opposite poles, and each limiting magnet of the fixed part can magnetically attract the outer side end of a movable lock plate, so that the outer side ends of the movable lock plates extend out of the outer edge of the movable body and are respectively inserted into the corresponding limiting notches of the fixed part, so that the external mobile device is locked on the fixed part through the movable part; and When the movable part is moved and deflected in a direction away from the fixed part, the outer end of each movable lock plate can be driven to be pushed by the corresponding guide part and retracted into the movable part body, so that the inner end of each movable lock plate is adsorbed and reset by the central magnet. At the same time, the second multi-pole magnetic unit of the movable part is deflected and repelled by the magnetism of the first multi-pole magnetic unit of the fixed part, so that the movable part is separated from the fixed part. As described in claim 1, the magnetic locking assembly for mobile devices, wherein the ring cover is movably arranged on the front side of the outer ring portion of the base body, each limiting notch of the fixing member forms a front notch on the outer ring portion of the base body, and each limiting notch forms a side notch on the inner edge of the central positioning groove, and each guide portion is respectively arranged on the bottom surface of the ring cover at both sides of the side notch adjacent to the corresponding limiting notch; and When the movable member moves in a direction away from the fixing member, the movable lock piece can drive the ring cover to move outward, and align the two sides of the movable lock piece with the guide portion, so as to guide each movable lock piece to retract into the movable member body when the movable member rotates. A magnetic locking assembly for a mobile device as described in claim 2, wherein the bottom surface of the ring cover is provided with a plurality of magnetic conductive metals, and the outer ring portion of the fixing member is provided with a plurality of reset magnets corresponding to the magnetic conductive metals that can magnetically attract the ring cover to move and reset the ring cover. A magnetic locking assembly for a mobile device as described in claim 3, wherein the outer ring portion of the fixing base is provided with a plurality of guide holes or guide pillars, and the ring cover is provided with a plurality of corresponding guide pillars or guide holes, so that the ring cover moves relative to the outer ring portion through the guidance of the plurality of guide pillars and guide holes. A magnetic locking assembly for a mobile device as described in claim 4, wherein a stop portion is provided at the end of each guide post, and the stop portion can restrain the guide post from moving in the guide hole. As described in claim 1, the mobile device magnetic locking assembly, wherein the movable member is provided with a guide groove relative to each movable lock plate, and each movable lock plate can be displaced in the corresponding guide groove. A magnetic locking assembly for a mobile device as described in claim 6, wherein an expanded diameter space is provided at one end of the guide groove adjacent to the central magnet, and an expanded diameter portion is provided at the inner end of the movable lock plate contacting the central magnet, and the expanded diameter portion is constrained to move within the expanded diameter space to control the length of the movable lock plate extending beyond the outer edge of the movable part. A mobile device magnetic locking assembly as described in any one of claims 1 to 7, wherein the first multi-pole magnetic unit is composed of a plurality of magnetic poles arranged into at least one ring shape, and the polarities of two adjacent magnetic poles of the first multi-pole magnetic unit are oppositely arranged, and the second multi-pole magnetic unit is composed of a plurality of magnetic poles arranged into at least one ring shape, and the polarities of two adjacent magnetic poles of the second multi-pole magnetic unit are oppositely arranged. A magnetic locking assembly for a mobile device as described in claim 8, wherein the fixed part and the movable part are in a magnetically attracted state when the relative angles between the fixed part and the movable part are at least 0 degrees, 90 degrees, 180 degrees and 270 degrees, and repel each other and separate after the two are deflected at an angle relative to each other. A magnetic locking assembly for a mobile device as described in any one of claims 1 to 7, wherein the fixing member can be mounted on a support frame of the external mobile device.

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