CN112572308A - Mobile device support - Google Patents

Abstract

The invention discloses a mobile equipment support, which comprises a shell, a clamping arm and a lower supporting arm movably connected relative to the shell, a linkage mechanism and a reset mechanism, wherein the linkage mechanism comprises a gear rotatably arranged on the shell, the lower supporting arm is in transmission connection with the clamping arm through the gear, the reset mechanism comprises a reset key and a guide part for connecting the reset key and the gear in a sliding manner, when the lower supporting arm moves in a direction far away from the shell under the action of the gravity of an object placed on the lower supporting arm, the gear is driven to rotate in a first direction, and the gear drives the clamping arms to move oppositely to a clamping state of clamping the object; pressing the reset key, wherein the reset key drives the gear to rotate towards the second direction through the guide part, the gear drives the clamping arms to move oppositely to switch to an unlocking state for loosening the object, and the lower supporting arm moves towards the direction close to the shell to recover to the initial position; even if a user shakes or jolts in the using process, the mobile equipment on the mobile equipment support cannot fall off from the support.

Description

Mobile device support

Technical Field

The invention relates to the technical field of supports, in particular to a mobile equipment support.

Background

Along with the improvement of living standard, the occasions that people use the mobile device are more and more, and the mobile device is held by hands to cause inconvenience many times, so a lot of supports appear on the market. Wherein on-vehicle support receives extensive concern in the support field, but known on-vehicle support exists the centre gripping dynamics not strong usually, runs into vibrations, jolts the back, and the mobile device of centre gripping will become flexible for the user experiences the sense extremely poor in the use.

Disclosure of Invention

The invention provides a mobile equipment support which is more stable in clamping and can prevent vibration from loosening.

The invention provides a mobile equipment support, which comprises a shell, a clamping arm and a lower supporting arm movably connected relative to the shell, a linkage mechanism and a reset mechanism, wherein the linkage mechanism comprises a gear which is rotatably arranged on the shell, the lower supporting arm is in transmission connection with the clamping arm through the gear, the reset mechanism comprises a reset key and a guide part which connects the reset key and the gear in a sliding way, when the lower supporting arm moves in a direction far away from the shell under the action of the gravity of an object placed on the lower supporting arm, the lower supporting arm drives the gear to rotate in a first direction, and the gear drives the clamping arms to move oppositely to a clamping state of clamping the object; the reset key is pressed, the reset key drives the gear to rotate in a second direction opposite to the first direction through the guide portion, the gear drives the clamping arm to move opposite to each other to switch to an unlocking state for loosening the object, and the lower supporting arm moves close to the direction of the shell to restore to an initial position.

In an embodiment, the linkage mechanism further includes a locking portion, two ends of the locking portion are respectively connected to the gear and the housing, the locking portion deflects relative to the center of the gear along with the rotation of the gear, and in the clamping state, the locking portion deflects to be located on one side of the center of the gear, and provides a pulling force tending to rotate in the first direction to the gear, so as to keep the clamping arm clamped.

In one embodiment, the locking portion includes an elastic member, one end of the elastic member connected to the housing is a fixed end, one end of the elastic member connected to the gear is a free end, and the free end is located on two opposite sides of the center of the gear respectively along with the rotation of the gear in the first direction or the rotation of the gear in the second direction.

In an embodiment, on the trailing arm down with be equipped with the recess on the corresponding position of stiff end, the stiff end wear to establish behind the recess with the casing is connected, the recess orientation one side of gear is the opening, the gear revolve in-process, the free end with the stiff end rotates as the centre of a circle, the stiff end is in follow in the recess open-ended width direction motion, open-ended width size with the elastic component rotates the angle that forms and corresponds.

In an embodiment, the linkage mechanism further includes a pushing portion, two ends of the pushing portion are respectively connected to the clamping arm and the housing, when the gear rotates in the first direction, one end of the pushing portion moves along with the clamping arm to form a restoring force, and when the gear rotates in the second direction, the restoring force pushes the clamping arm to move against each other to switch to an unlocking state for releasing the object.

In an embodiment, a guide structure is further disposed between the gear and the lower supporting arm, the guide structure includes a guide post and a guide groove, an included angle is formed between an extending direction of the guide groove and a moving direction of the lower supporting arm, the guide post is inserted into the guide groove, and when the lower supporting arm moves in a direction away from the housing, the guide post moves in the guide groove to drive the gear to rotate.

In an embodiment, the linkage structure further comprises a rotating wheel, the clamping arms comprise a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are located on two opposite sides of the rotating wheel, clamping teeth meshed with the rotating wheel are respectively arranged on the first clamping arm and the second clamping arm, and clamping teeth meshed with the gear are further arranged on one side, far away from the rotating wheel, of the first clamping arm.

In an embodiment, the rotating wheel includes a disk portion close to the rear side wall of the housing and a boss extending from the center of the disk portion to the front side wall of the housing, and the outer periphery of the boss is provided with a latch respectively engaged with the first clamping arm and the second clamping arm.

In an embodiment, the guide portion comprises a linkage groove and a linkage post, the linkage groove is formed in the reset key, the linkage post is arranged on the gear, the linkage post is inserted into the linkage groove, the extending direction of the linkage groove is inclined relative to the moving direction of the lower supporting arm, when the reset key is pressed, the reset key moves in a telescopic mode to drive the linkage post to move along the linkage groove, and the gear is driven to move in the second direction.

In one embodiment, the housing comprises a front shell and a rear shell that are removably connected;

one side of the front shell facing the clamped object is provided with an anti-skid part; and/or a connecting part is arranged on one side of the rear shell, which is far away from the clamped object.

In summary, the embodiment of the invention discloses a mobile device support, which comprises a shell, a clamping arm and a lower supporting arm movably connected with respect to the shell, a linkage mechanism and a reset mechanism, wherein the linkage mechanism comprises a gear rotatably arranged on the shell, the lower supporting arm is in transmission connection with the clamping arm through the gear, the reset mechanism comprises a reset key and a guide part for connecting the reset key and the gear in a sliding manner, when the lower supporting arm moves in a direction away from the shell under the action of the gravity of an object placed on the lower supporting arm, the gear is driven to rotate in a first direction, and the gear drives the clamping arms to move oppositely to a clamping state of clamping the object; the reset key is pressed, the reset key drives the gear to rotate towards a second direction through the guide part, the gear drives the clamping arms to move oppositely to be switched to an unlocking state for loosening the object, the lower supporting arm moves towards the direction close to the shell to be restored to an initial position, and through the arrangement of the linkage mechanism and the reset mechanism, when the clamped object is placed on the lower supporting arm, the clamping arms are kept in a state of clamping the object through the gravity of the object and the transmission connection of the linkage mechanism and the clamping arms; during the unblock, then need drive gear antiport through guide portion and can switch to the unblock state with the object pine takes off, consequently, can avoid the mobile device support to meet vibrations, jolt the circumstances such as and the easy not hard up problem, be particularly useful for on-vehicle use, strengthened the experience of user in the use and felt.

Drawings

Fig. 1 is a schematic perspective view of a mobile device cradle according to an embodiment of the present invention.

Fig. 2 is an exploded view of the mobile device cradle of fig. 1.

Fig. 3 is another exploded view of the mobile device stand of fig. 1.

Fig. 4 is a schematic structural diagram of the mobile device stand in fig. 1 in an extended state.

Fig. 5 is a perspective view of the mobile device stand of fig. 1 in a clamped state.

Fig. 6 is a schematic structural diagram of the mobile device stand in fig. 5 in a clamping state.

Detailed Description

The invention is further described with reference to the following detailed description of embodiments in conjunction with the accompanying drawings.

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The invention is capable of embodiments in other forms of implementation. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

Referring to fig. 1 to 3, an embodiment of the present invention provides a mobile device support, including a housing 20, a clamping arm and a lower supporting arm 10 movably connected with respect to the housing 20, a linkage mechanism and a reset mechanism, wherein the linkage mechanism includes a gear 50 rotatably installed on the housing 20, the lower supporting arm 10 is in transmission connection with the clamping arm through the gear 50, the reset mechanism includes a reset key 30 and a guiding portion slidably connecting the reset key 30 and the gear 50, when the lower supporting arm 10 moves in a direction away from the housing 20 under the action of gravity of an object placed thereon, the gear 50 is driven to rotate in a first direction, and the gear 50 drives the clamping arms to move oppositely to a clamping state of clamping the object. Taking a clamped object as the mobile equipment as an example, when a user uses the mobile equipment, the user can place the mobile equipment on the lower supporting arm of the mobile equipment bracket and between the clamping arms, so that the automatic clamping effect can be achieved, and the clamping arms are kept in a state of clamping the mobile equipment through the self gravity of the mobile equipment and the transmission connection between the linkage mechanism and the clamping arms, so that the use of the user is facilitated; the reset key 30 is pressed, the reset key 30 drives the gear 30 to rotate in a second direction opposite to the first direction through the guide portion, the gear 30 drives the clamping arms to move oppositely to switch to an unlocking state for releasing the object, and the lower supporting arm 10 moves in a direction close to the shell 20 to recover to an initial position. Still use the centre gripping object as the mobile device for example, when the user wants to take out the mobile device, only need press reset key 30, drive gear 30 antiport through guide, lower trailing arm 10 will be opened to the direction motion that is close to casing 10 simultaneously centre gripping arm, and the centre gripping arm loosens the mobile device, and the user directly takes out the mobile device can.

Referring to fig. 4 to 6, further, the linkage mechanism further includes a locking portion, two ends of the locking portion are respectively connected to the gear 50 and the housing 20, the locking portion deflects relative to the center of the gear 50 following the rotation of the gear 50, and in the clamping state, the locking portion deflects to be located at one side of the center of the gear 50, and provides a pulling force tending to rotate in the first direction to the gear 50, so as to keep the clamping arm clamped. After a user puts a mobile device on a lower supporting arm of the mobile device support and the mobile device is located between clamping arms, the self weight of the mobile device drives the lower supporting arm 10 to move downwards, the lower supporting arm 10 drives the gear 50 to rotate, when one end of the locking part connected with the gear 50 rotates towards the first direction and is located on one side of the center of the gear 50 along with the gear 50, the locking part provides pulling force which continuously rotates towards the first direction for the gear 50 until the clamping arms are tightly clamped on the two opposite sides of the mobile device, at the moment, the pulling force formed by the locking part enables the gear 50 to have the tendency of continuously rotating towards the first direction, the user does not need to adjust by hands, the clamping arms can automatically keep clamping under the driving of the gear 50, and therefore, even when bumping or shaking occurs, the mobile device cannot be loosened from the mobile device support.

Further, the locking portion includes an elastic member 40, one end of the elastic member 40 connected to the housing 20 is a fixed end, one end connected to the gear is a free end, and the free ends are respectively located at two opposite sides of the center of the gear 50 along with the rotation of the gear 50 in the first direction or the rotation of the gear in the second direction. In this embodiment, taking the fixed end as a point a, the free end as a point B, and the center of the gear 50 as a point C as an example, when the gear 50 rotates clockwise to the right around the point C, the free end of the elastic member 40 rotates clockwise to the right with the fixed end as a center, as shown in fig. 6, when the mobile device cradle is in the clamping state, the point B is located on the right side of the point C, the AB connecting line is located on the right side of the point C, and the pulling force of the elastic member 40 makes the gear 50 have a tendency of continuing to rotate clockwise to the right; on the contrary, when the gear 50 rotates counterclockwise left, the free end of the elastic member 40 rotates counterclockwise left with the fixed end as the center, as shown in fig. 4, when the mobile device cradle is in the release state, the point B is located on the left side of the point C, the line AB is located on the left side of the point C, and the pulling force of the elastic member 40 can keep the clamping arm in the extended unlocking state. Optionally, a first bolt 54 is disposed on a side wall of the gear 50 close to the front side of the housing 20, a second bolt 24 is disposed inside a side wall of the rear side of the housing 20, the first bolt 54 includes a first clamping groove 541, the second bolt 24 includes a second clamping groove 241, a free end of the elastic element 40 is clamped with the first clamping groove 541, a fixed end of the elastic element 40 is clamped with the second clamping groove 241, and the connection between the elastic element 40 and the gear 50 and the housing 20 is more reliable through the arrangement of the first clamping groove 541 and the second clamping groove 241.

Furthermore, a groove 12 is formed in the position, corresponding to the fixed end, of the lower supporting arm 10, the second bolt 24 is inserted into the groove 12, an opening is formed in one side, facing the gear 50, of the groove 12, in the rotating process of the gear 50, the free end of the elastic piece 40 rotates by taking the fixed end as a circle center, the elastic piece 40 moves in the groove 12 along the width direction of the opening of the groove 12, and the width of the opening of the groove 12 corresponds to the angle formed by the rotation of the elastic piece 40. In this embodiment, the whole of the groove 12 is substantially in a V shape with an opening facing the direction of the gear 50, and by the design of the groove 12, not only the thickness of the mobile device support in the front-back direction is reduced, but also the stroke of the elastic element 40 rotating along with the rotation of the gear 50 is not limited by the stroke of the lower support arm 10 moving up and down, and the reliability of switching the electronic device support between the clamping state and the unlocking state is improved.

In other embodiments, the linkage mechanism further includes a pushing portion disposed between the clamping arm and the housing 20, and when the gear 50 rotates in the first direction, one end of the pushing portion moves along with the clamping arm to form a restoring force. For example, the pushing part may be an elastic member, two ends of the elastic member are respectively connected to the clamping arm and the housing 20, the elastic member is pressed to form a resilience force, and the resilience force is a restoring force capable of pushing the clamping arm to move against each other and switching to an unlocking state for releasing the object; or, the pushing portion may include two magnets, the two magnets are respectively disposed on the clamping arm and the housing 20, and the two magnets are set to have opposite magnetic poles and repel each other, when the clamping arm moves in opposite directions under the driving of the gear 50 to clamp the object, the magnets approach each other to form a repulsive force, and when the guiding portion of the reset mechanism drives the gear 50 to rotate in the second direction, the repulsive force is a restoring force that can push the clamping arm to move in opposition to each other to switch to an unlocking state in which the object is released. When the user takes out the mobile device in the use, the gravity of effect on trailing arm 10 disappears down, through trailing arm 10 and link gear down, the transmission effect between the centre gripping arm, the centre gripping arm loses the power that lasts the centre gripping, the resilience force of promotion portion bounces the centre gripping arm, the centre gripping arm motion and then drive linkage structure and lower trailing arm 10 transmission, make down trailing arm 10 to the motion of 50 directions of gear, an ascending power is given to the mobile device to lower trailing arm 10, and then convenience of customers takes out the mobile device.

Furthermore, a guiding structure is further arranged between the gear 50 and the lower support arm 10, the guiding structure includes a guiding column 53 and a guiding groove 11, an included angle is formed between the extending direction of the guiding groove 11 and the moving direction of the lower support arm 10, the guiding column 53 is arranged in the guiding groove 11 in a penetrating manner, and when the lower support arm 10 moves in a direction away from the housing 20, the guiding column 53 moves in the guiding groove 11 to drive the gear 50 to rotate. Through the setting of guide structure between gear 50 and the lower trailing arm 10 for lower trailing arm 10 rectilinear motion can change into drive gear 50 and rotate, and after the user placed lower trailing arm 10 with the mobile device, lower trailing arm 20 can drive gear 50 and rotate under the mobile device gravity, and then reaches the tight effect of control centre gripping arm clamp through gear 50 drive centre gripping arm concertina movement.

Further, the linkage structure further includes a rotating wheel 60, the clamping arms include a first clamping arm 70 and a second clamping arm 80, the first clamping arm 70 and the second clamping arm 80 are located on two opposite sides of the rotating wheel 60, and the first clamping arm 70 and the second clamping arm 80 are respectively provided with a latch engaged with the rotating wheel 60, one side of the first clamping arm 70, which is away from the rotating wheel 60, is further provided with a latch engaged with the gear 50, at least a portion of a periphery of the gear 50 is provided with a first latch 52, a periphery of the rotating wheel 60 is provided with a second latch 61, the first clamping arm 70 and the second clamping arm 80 are inserted into the interior of the housing 20 from two sides of the housing 20, for convenience of understanding, the latch located on two opposite sides of the first clamping arm 70 is defined as a third latch 71, the latch located on the second clamping arm 80 is defined as a fourth latch 81, the third latch 71 on the first clamping arm 70 is respectively engaged with the first latch 52 and the second latch 61, the fourth latch 81 on the second holding arm 80 is engaged with the second latch 61, and when the gear 50 rotates, the first holding arm 70, the second holding arm 80 and the rotating wheel 50 are driven, so that the first holding arm 70 and the second holding arm 80 are relatively opened or relatively clamped.

Further, the rotating wheel 60 includes a disk portion close to the rear side wall of the housing and a convex pillar extending from the center of the disk portion to the front side wall of the housing, and the outer periphery of the convex pillar is provided with a second latch 61 engaged with the first clamping arm 70 and the second clamping arm 80 respectively; the disk portion may function to prevent the first clamp arm 70 from deviating from the running locus during movement.

Further, the guiding portion comprises a linkage groove 31 formed in the reset key 30 and a linkage column 51 arranged on the gear 50, the linkage column 51 is inserted into the linkage groove 31, the extending direction of the linkage groove 51 is inclined relative to the moving direction of the lower supporting arm 10, and when the reset key 30 is pressed, the reset key 30 moves in a telescopic mode to drive the linkage column 51 to move along the linkage groove 31 and drive the gear 50 to move in the second direction. The extending direction of the linkage groove 51 is inclined relative to the moving direction of the lower bracket arm 10, the direction of the pressing force applied to the reset key 30 is perpendicular to the moving direction of the lower bracket arm 10, one end, far away from the linkage groove 31, of the reset key 30 protrudes to one side of the electronic device bracket, when the reset key 30 is pressed, the reset key 30 moves towards the direction close to the center of the gear 50, the linkage column 51 is forced to slide upwards along the linkage groove 31 in an inclined manner, and then the gear 50 is driven to rotate towards the second direction. Due to the linkage arrangement of the gear 50, the lower supporting arm 10 and the clamping arm, the electronic equipment support can be switched from a clamping state to an unlocking state.

Further, the housing 20 includes a front case and a rear case detachably connected; the side of the front shell facing the clamped object is provided with an anti-slip part 21, in the embodiment, the anti-slip part 21 comprises a plurality of strip-shaped protrusions, so that the friction force between the mobile equipment and the mobile equipment bracket can be increased, the effect of preventing the mobile phone from sliding is further achieved, and in other embodiments, the anti-slip part 21 can be provided with protrusions with other shapes; and/or, one side of the rear shell, which is far away from the clamped object, is provided with the connecting part 22, the outer surface of the connecting part 22 is provided with the threads 221, and a user can match different connecting pieces to be connected with the connecting part 22 according to needs, so that the electronic equipment support can be conveniently and integrally arranged on the frame or other positions for use.

In summary, the mobile device support provided in the embodiment of the present invention includes a housing 20, a clamping arm and a lower supporting arm 10 movably connected with respect to the housing 20, a linkage mechanism and a reset mechanism, wherein the linkage mechanism includes a gear 50 rotatably installed on the housing 20, the lower supporting arm 10 is in transmission connection with the clamping arm through the gear 50, the reset mechanism includes a reset key 30 and a guide portion slidably connecting the reset key 30 and the gear 50, when the lower supporting arm 10 moves in a direction away from the housing 20 under the action of gravity of an object placed thereon, the gear 50 is driven to rotate in a first direction, and the gear 50 drives the clamping arms to move in opposite directions to a clamping state where the clamping arms are located for clamping the object; when the reset key 30 is pressed, the reset key 30 drives the gear 50 to rotate in a second direction opposite to the first direction through the guide portion, the gear 50 drives the clamping arms to move oppositely to switch to an unlocking state for releasing the object, and the lower supporting arm 10 moves in a direction close to the housing 20 to recover to the initial position.

When a user wants to open the mobile device bracket to take out the mobile device, the user needs to press the reset key 30, so that the reset key 30 moves transversely to drive the gear 50 in the linkage mechanism to rotate, the locking part deflects relative to the center of the gear 50 along with the rotation of the gear 50, the locking part deflects to be positioned on one side of the center of the gear 50, the linkage mechanism is driven to move to drive the clamping arm to extend, the lower supporting arm 10 clamps to generate upward thrust, and the user can take the mobile device conveniently; when placing the mobile device on the trailing arm 10 down, the gravity of mobile device is used on trailing arm 10 down, trailing arm 10 drives gear 50 and rotates in the link gear down, thereby drive reset key 30 and reset, the centre gripping arm presss from both sides tightly each other, locking portion follows gear 50 and rotates and deflect for gear 50's center, locking portion deflects and is located the opposite side at gear 50's center, the effect that locking portion formed is on gear 50, it is rotatory to drive gear 50, and then it presss from both sides tightly to drive the centre gripping arm, the effect of locking portion power mobile device support that receives this moment can keep the clamping state, make the mobile device centre gripping more stable, can prevent that the condition that the vibrations pine from taking off from appearing.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A mobile device support is characterized by comprising a shell, a clamping arm and a lower supporting arm which are movably connected relative to the shell, a linkage mechanism and a reset mechanism, wherein the linkage mechanism comprises a gear which is rotatably arranged on the shell, the lower supporting arm is in transmission connection with the clamping arm through the gear, the reset mechanism comprises a reset key and a guide part which connects the reset key and the gear in a sliding manner, when the lower supporting arm moves in a direction far away from the shell under the action of the gravity of an object placed on the lower supporting arm, the lower supporting arm drives the gear to rotate in a first direction, and the gear drives the clamping arms to move oppositely to a clamping state of clamping the object; the reset key is pressed, the reset key drives the gear to rotate in a second direction opposite to the first direction through the guide portion, the gear drives the clamping arm to move opposite to each other to switch to an unlocking state for loosening the object, and the lower supporting arm moves close to the direction of the shell to restore to an initial position.

2. The mobile device holder according to claim 1, wherein the linkage further comprises a locking portion, both ends of the locking portion are respectively connected to the gear and the housing, the locking portion is deflected with respect to a center of the gear following the rotation of the gear, and in the clamping state, the locking portion is deflected to be located at one side of the center of the gear, and provides a pulling force to the gear with a tendency to rotate in the first direction, thereby keeping the clamp arm clamped.

3. The cradle of claim 2, wherein the locking portion comprises a resilient member, one end of the resilient member connected to the housing is a fixed end, and one end of the resilient member connected to the gear is a free end, and the free ends are located on opposite sides of a center of the gear respectively when the gear rotates in the first direction or rotates in the second direction.

4. The mobile device support according to claim 3, wherein a groove is formed in a position, corresponding to the fixed end, of the lower supporting arm, the fixed end penetrates through the groove and then is connected with the shell, an opening is formed in one side, facing the gear, of the groove, in the rotating process of the gear, the free end rotates with the fixed end as a circle center, the fixed end moves in the groove along the width direction of the opening, and the width of the opening corresponds to the angle formed by rotation of the elastic piece.

5. The mobile device holder according to claim 1, wherein the linkage mechanism further includes a pushing portion, both ends of the pushing portion are respectively connected to the clamp arm and the housing, one end of the pushing portion moves along with the clamp arm to form a restoring force when the gear rotates in the first direction, and the restoring force pushes the clamp arm to move against each other to switch to an unlock state for releasing the object when the gear rotates in the second direction.

6. The mobile device support according to claim 1, wherein a guide structure is further disposed between the gear and the lower supporting arm, the guide structure includes a guide post and a guide groove, an extending direction of the guide groove forms an included angle with a moving direction of the lower supporting arm, the guide post is inserted into the guide groove, and when the lower supporting arm moves in a direction away from the housing, the guide post moves in the guide groove to drive the gear to rotate.

7. The mobile device support according to claim 1, wherein the linkage structure further comprises a rotating wheel, the clamping arms include a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are located on two opposite sides of the rotating wheel, the first clamping arm and the second clamping arm are respectively provided with a latch engaged with the rotating wheel, and one side of the first clamping arm, which is far away from the rotating wheel, is further provided with a latch engaged with the gear.

8. The mobile device holder according to claim 7, wherein the wheel includes a disk portion near a rear sidewall of the housing and a boss extending from a center of the disk portion toward a front sidewall of the housing, an outer periphery of the boss being provided with a latch engaging with the first and second clamp arms, respectively.

9. The mobile device support according to any one of claims 1 to 8, wherein the guide portion includes a linking groove provided in the reset key and a linking post provided in the gear, the linking post is inserted into the linking groove, an extending direction of the linking groove is inclined with respect to a moving direction of the lower supporting arm, and when the reset key is pressed, the reset key moves in a telescopic manner to drive the linking post to move along the linking groove, so as to drive the gear to move in the second direction.

10. The mobile device holder according to any one of claims 1 to 8, wherein the housing comprises a detachably connected front shell and a rear shell;

one side of the front shell facing the clamped object is provided with an anti-skid part; and/or a connecting part is arranged on one side of the rear shell, which is far away from the clamped object.

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