CN111169397B

CN111169397B - Mobile terminal support

Info

Publication number: CN111169397B
Application number: CN201911421830.0A
Authority: CN
Inventors: 林德利; 潘龙
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-05-14
Anticipated expiration: 2039-12-31
Also published as: CN111169397A

Abstract

A mobile terminal bracket comprises a shell, a left clamping arm, a right clamping arm, a pull-down arm, an automatic unlocking device and a first reset piece; the automatic unlocking device comprises a driving slide block; the left clamping arm is provided with a first convex part, and the right clamping arm is provided with a second convex part; the driving sliding block is connected between the first convex part and the second convex part and is detachably connected with the lower pull arm; the first reset piece is arranged between the left clamping arm and the right clamping arm, or the first reset piece is arranged between the left clamping arm and the shell, or between the right clamping arm and the shell; the first resetting piece is used for resetting the left clamping arm and/or the right clamping arm; when the driving slide block is connected with the lower pull arm and moves downwards along with the lower pull arm, the driving slide block drives the left clamping arm and the right clamping arm to rotate and open outwards the shell; when the driving slide block is separated from the lower pull arm, the first reset piece drives the left clamping arm and/or the right clamping arm to rotate and fold in the shell. According to the mobile terminal support provided by the invention, a user can complete the placing or taking-off action of the mobile terminal by one-hand operation, and the operation is simple and smooth.

Description

Mobile terminal support

Technical Field

The invention relates to the technical field of mobile phone accessories, in particular to a mobile terminal support.

Background

With the popularization of personal mobile terminal devices and the increasing improvement of functions of personal mobile terminal devices, such as communication, navigation, multimedia, and the like, personal mobile terminal devices are becoming indispensable articles for use in people's lives. Taking a mobile phone as an example, when a user needs to guide a driving direction by using a mobile phone navigation in a driving process, a common practice is to fix the mobile phone in front of a sight line by using a fixing support, so that the navigation content of a display window of the mobile phone can be viewed while driving.

The existing fixed support comprises an instrument desk suction disc type, a front baffle suction disc type, an air outlet suspension type, a magnetic 360-degree rotation type and the like. However, most of the fixed supports can be used for placing and taking down the mobile terminal device only by the joint operation of two hands, so that potential safety hazards exist in the driving process.

Disclosure of Invention

The invention provides a mobile terminal bracket, which can complete the placing or taking-off action of a mobile terminal by the single-hand operation of a user and has simple and smooth operation.

The invention provides a mobile terminal bracket which comprises a shell, a left clamping arm, a right clamping arm, a pull-down arm, an automatic unlocking device and a first reset piece, wherein the left clamping arm and the right clamping arm are respectively arranged on two sides of the shell; the automatic unlocking device comprises a driving slide block; the left clamping arm and the right clamping arm are respectively hinged on the shell, a first convex part is arranged on the side surface of the left clamping arm facing the right clamping arm, and a second convex part is arranged on the side surface of the right clamping arm facing the left clamping arm; the driving sliding block is connected between the first convex part and the second convex part and detachably connected with the lower pull arm, and a first pushing surface matched with the first convex part and a second pushing surface matched with the second convex part are arranged on the driving sliding block; the first reset piece is arranged between the left clamping arm and the right clamping arm, or the first reset piece is arranged between the left clamping arm and the shell, or between the right clamping arm and the shell; the first resetting piece is used for resetting the left clamping arm and/or the right clamping arm; when the driving slide block is connected with the lower pull arm and moves downwards along with the lower pull arm, the driving slide block drives the left clamping arm and the right clamping arm to rotate and open outwards the shell through the first convex part and the second convex part respectively; when the driving slide block is separated from the lower pull arm, the first reset piece drives the left clamping arm and/or the right clamping arm to rotate and fold in the shell.

Furthermore, the automatic unlocking device also comprises a locking piece and a trigger button, the lower pull arm comprises a bottom arm, the locking piece is rotatably arranged on the bottom arm and comprises a clamping block and a first unlocking block, and the clamping block is detachably connected with the driving slide block; the trigger button is movably arranged on the shell and is provided with a second unlocking block which is abutted against the first unlocking block so as to drive the locking piece to rotate and separate the clamping block from the driving sliding block.

Further, the mobile terminal bracket also comprises a second reset piece and a third reset piece; the second reset piece is arranged between the driving sliding block and the shell and used for resetting the driving sliding block; the third piece that resets sets up between bottom arm and casing, and the third piece that resets is used for making the bottom arm reset.

Furthermore, the first resetting piece, the second resetting piece and the third resetting piece are elastic elements or magnetic elements.

Furthermore, the driving slide block is provided with an inverted triangular pushing block, and the pushing block forms a first pushing surface and a second pushing surface along two inclined surfaces which are axially symmetrical to the shell respectively.

Furthermore, a first sliding groove, a second sliding groove and a third sliding groove are formed in the shell, a first sliding rail and a second sliding rail are arranged on the driving sliding block, and a third sliding rail is arranged on the bottom arm, wherein the first sliding rail is arranged in the first sliding groove, the second sliding rail is arranged in the second sliding groove, and the third sliding rail is arranged in the third sliding groove.

Further, the left arm lock includes left transmission arm and left clamping jaw, the one end and the casing of left transmission arm are articulated, the other end passes through the rotation axis and rotates with left clamping jaw to be connected, right arm lock includes right transmission arm and right clamping jaw, the one end and the casing of right transmission arm are articulated, the other end passes through the rotation axis and rotates with right clamping jaw to be connected, between left transmission arm and the left clamping jaw, be equipped with the torsional spring between right transmission arm and the right clamping jaw respectively, the torsional spring cover is established on the rotation axis, when left transmission arm and right transmission arm rotated outwards to the casing and opened, the torsional spring is used for driving left transmission arm rotation, right clamping jaw right transmission arm rotation relatively of left clamping jaw.

Furthermore, the lower end parts of the left clamping jaw and the right clamping jaw are respectively provided with a limiting groove, the upper end parts of the left transmission arm and the right transmission arm are respectively provided with a limiting lug, and the limiting lugs are clamped in the limiting grooves and used for limiting the rotating angle of the left clamping jaw relative to the left transmission arm and the rotating angle of the right clamping jaw relative to the right transmission arm.

Furthermore, the shell is provided with an accommodating groove for accommodating the left clamping arm and the right clamping arm, the shell is provided with an stressing flange at the edge of the accommodating groove, the left clamping jaw and the right clamping jaw are respectively provided with a protruding structure, and when the left transmission arm and the right transmission arm respectively drive the left clamping jaw and the right clamping jaw to move towards the shell to be close to each other, the protruding structures are contacted with the stressing flange, and the left clamping jaw and the right clamping jaw are forced to be respectively overturned towards the shell to be accommodated in the accommodating groove.

Furthermore, the left clamping arm is provided with a first tooth part, and the right clamping arm is provided with a second tooth part meshed with the first tooth part.

The invention has the beneficial effects that: the mobile terminal bracket has three states in the using process, namely a closed state, a state that the left clamping arm and the right clamping arm are opened to the maximum position, and an automatic clamping state that the left clamping arm and the right clamping arm are folded towards the shell after the trigger button of the automatic unlocking device 300 is pressed. When the mobile terminal is in a closed state, the mobile terminal support keeps a smaller volume, does not shield an automobile air outlet and is attractive as a whole. When the left clamping arm and the right clamping arm are opened to the maximum positions, a user can place the mobile terminal by one hand conveniently, the mobile terminal is placed in place and then is unlocked by the automatic unlocking device to enable the left clamping arm and the right clamping arm to automatically clamp the mobile terminal, the user can complete the placing or taking-off action of the mobile terminal by one-hand operation, and the whole process is simple and smooth to operate for the user.

In order to make the advantages of the present invention more clear, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a mobile terminal cradle in a closed state according to a preferred embodiment of the invention.

FIG. 2 is a schematic structural diagram of another view angle of the mobile terminal bracket in a closed state according to the preferred embodiment of the invention

Fig. 3 is a schematic illustration of the split structure of fig. 1.

Fig. 4 is a schematic illustration of the split structure of fig. 2.

Fig. 5 is a schematic view of a disassembled structure of the driving arm and the clamping arm of the mobile terminal bracket according to the preferred embodiment of the invention.

FIG. 6 is an enlarged view of the clamping arms of the mobile terminal bracket according to the preferred embodiment of the invention

Fig. 7 is a schematic structural view illustrating a state in which the clamping arms of the mobile terminal bracket are just in contact with the housing according to the preferred embodiment of the invention.

Fig. 8 is an enlarged structural view of the region a of fig. 7.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structures, features and effects of the positioning structure according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.

Referring to fig. 1 to 4, the mobile terminal bracket includes a housing 100, a left clamping arm 201 and a right clamping arm 202 respectively disposed at two sides of the housing 100, a pull-down arm 130, an automatic unlocking device 300, and a first reset element.

The automatic unlocking device 300 includes a driving slider 310.

The left clamping arm 201 and the right clamping arm 202 are respectively hinged on the housing 100, a first convex part 212 is arranged on the side surface of the left clamping arm 201 facing the right clamping arm 202, and a second convex part 222 is arranged on the side surface of the right clamping arm 202 facing the left clamping arm 201. The drive slider 310 is connected between the first and

second protrusions

212 and 222, and the drive slider 310 is detachably connected with the pull-down arm 130.

The first resetting piece is arranged between the left clamping arm 201 and the right clamping arm 202, or the first resetting piece is arranged between the left clamping arm 201 and the shell 100 and between the right clamping arm 202 and the shell 100; the first reset piece is used for resetting the left clamping arm 201 and/or the right clamping arm 202.

When the driving slider 310 is connected to the lower arm 130 and moves downward along with the lower arm 130, the driving slider 310 drives the left clamping arm 201 and the right clamping arm 202 to rotate and open outward of the housing 100 through the first protrusion 212 and the second protrusion 222, respectively. When the driving slider 310 is disengaged from the pull-down arm 130, the first restoring element drives the left clamping arm 201 and/or the right clamping arm 202 to rotate and fold toward the housing 100.

Specifically, the housing 100 includes a front case 101 and a rear case 102, and the front case 101 and the rear case 102 are covered to form a receiving space for receiving a part of the left and

right clamp arms

201 and 202, the automatic unlocking device 300, and a part of the pull-down arm 130.

The pull-down arm 130 includes a bottom arm 131 vertically disposed, and a support plate 132 disposed at a lower end of the bottom arm 131. The bottom arm 131 is telescopically positioned in the housing 100, and the supporting plate 132 is coupled to a lower end portion of the bottom arm 131 and exposed for supporting the mobile terminal.

The left clamping arm 201 comprises a left transmission arm 210 and a left clamping jaw 110, one end of the left transmission arm 210 is hinged to the housing 100, the other end of the left transmission arm 210 is rotatably connected with the left clamping jaw 110 through a rotating shaft 113, the right clamping arm 202 comprises a right transmission arm 220 and a right clamping jaw 120, one end of the right transmission arm 220 is hinged to the housing 100, the other end of the right transmission arm 220 is rotatably connected with the right clamping jaw 120 through the rotating shaft 113, torsion springs 114 are respectively arranged between the left transmission arm 210 and the left clamping jaw 110 and between the right transmission arm 220 and the right clamping jaw 120, the torsion springs 114 are sleeved on the rotating shaft 113, and when the left transmission arm 210 and the right transmission arm 220 rotate outwards to the housing 100 and are opened, the torsion springs 114 are used for driving the left clamping jaw 110.

The driving slider 310 is located at the upper end of the bottom arm 131, and the driving slider 310 is provided with a first pushing surface 310a engaged with the first protrusion 212 and a second pushing surface 310b engaged with the second protrusion 222. When the mobile terminal is placed on the pull-down arm 130 and pushed downward, the pull-down arm 130 drives the left clamping arm 201 and the right clamping arm 202 to respectively rotate and open outwards the housing 100 through the driving slider 310, so that the left clamping jaw 110 and the right clamping jaw 120 move outwards relative to the housing 100 to open, and the mobile terminal is placed conveniently.

Further, the lower end of the left driving arm 210 is provided with a first tooth 211, the lower end of the right driving arm 220 is provided with a second tooth 221 engaged with the first tooth 211, and the first tooth 211 and the second tooth 221 engaged with each other can make the left driving arm 210 and the right driving arm 220 open synchronously (i.e. at the same rotation angle).

The first protrusion 212 is disposed at the upper end of the left transmission arm 210, the first protrusion 212 has a first force-bearing surface 212a, the second protrusion 222 is disposed at the upper end of the right transmission arm 220, the second protrusion 222 has a second force-bearing surface 222a, and the first force-bearing surface 212a and the second force-bearing surface 222a are symmetrically disposed in a V shape.

The driving slider 310 is provided with an inverted triangular pushing portion 3101, the pushing block 3101 forms a first pushing surface 310a and a second pushing surface 310b along two inclined surfaces of the housing 100, which are axially symmetrical, respectively, the pushing portion 3101 is located above the first convex portion 212 and the second convex portion 222, the first pushing surface 310a is disposed adjacent to the first stressed surface 212a, the second pushing surface 310b is disposed adjacent to the second stressed surface 222a, and when the driving slider 310 moves downward, the pushing portion 3101 pushes the first convex portion 212 and the second convex portion 222 to rotate the left driving arm 210 and the right driving arm 220 outward, so as to drive the left clamping jaw 110 disposed on the left driving arm 210 and the right clamping jaw 120 disposed on the right driving arm 220 to open outward.

Further, as shown in fig. 5 and 6, the left driving arm 210 and the clamping arm 110 located at the left driving arm 210 are only schematically illustrated, and the structure of the right driving arm 220 can refer to the left driving arm 210. Specifically, the lower ends of the left clamping jaw 110 and the right clamping jaw 120 are respectively provided with a limiting groove 110a, the upper ends of the left transmission arm 210 and the right transmission arm 220 are respectively provided with a limiting projection 213, and the limiting projection 213 is clamped in the limiting groove 110a to limit the rotation angle of the left clamping jaw 110 relative to the left transmission arm 210 and the rotation angle of the right clamping jaw 120 relative to the right transmission arm 220.

Further, as shown in fig. 7 and 8, the left clamping jaw 110 and the clamping jaw 120 are provided with a protrusion structure 115, the housing 100 (the front housing 101) is provided with a receiving slot 103 for receiving the left clamping jaw 201 and the right clamping jaw 202, the edge of the housing 100 is provided with a stressing flange 104, when the left driving arm 210 and the right driving arm 220 respectively drive the left clamping jaw 110 and the right clamping jaw 120 to move towards the housing 100, the protrusion structure 115 contacts the stressing flange 104, and forces the left clamping jaw 110 and the right clamping jaw 120 to be respectively turned towards the housing 100 and received in the receiving slot 103 to achieve automatic receiving.

The automatic unlocking device 300 is used for triggering the unlocking of the left clamping arm 201 and the right clamping arm 202 after the mobile terminal is placed on the mobile terminal support, so that the left clamping arm 201 and the right clamping arm 202 are folded towards the direction of the shell 100 to automatically clamp two sides of the mobile terminal to fix the mobile terminal.

Referring to fig. 3 and 4, the automatic unlocking device 300 further includes a locking member 330 and a trigger button 350. The locking element 330 is rotatably disposed on the bottom arm 131 and located below the driving slider 310, the locking element 330 includes a locking block 331 and a first unlocking block 332, which are connected and disposed in an "L" shape, wherein the locking block 331 is disposed transversely, the unlocking block 332 is disposed vertically, and one end of the locking block 331, which is far away from the first unlocking block 332, is exposed from the bottom arm 131. The latch 331 is adapted to be detachably coupled to the driving slider 310, and when the automatic unlocking device 300 is not unlocked, the latch 331 fixes the driving slider 310 to the bottom arm 131 to prevent the driving slider 310 from being detached from the bottom arm 131. The first unlocking block 332 is provided with an unlocking slant surface 332 a.

The trigger button 350 is movably disposed on the housing 100, specifically, one end of the trigger button 350 is hinged to the front housing 101, and the other end is provided with a second unlocking block 351, the second unlocking block 351 abuts against the first unlocking block 332, so as to drive the locking member 330 to rotate, and the locking block 331 is separated from the driving slider 310. Specifically, the second unlocking block 351 abuts against the unlocking inclined surface 332a of the first unlocking block 332, when an external force is applied to the trigger button 350, the second unlocking block 351 slides along the unlocking inclined surface 332a to press the first unlocking block 332 to move the latch 331 to one side, one end of the latch 331 exposed from the bottom arm 131 retracts into the bottom arm 131, and the slider 310 is driven to be disengaged from the fixture 331 and disengaged from the bottom arm 131 to move upwards.

A spring (not shown) is disposed between the locking member 330 and the bottom arm 131.

The mobile terminal cradle further includes a second restoring member 370, the second restoring member 370 is disposed between the housing 100 and the driving slider 310, and the second restoring member 370 serves to restore the driving slider 310. In this embodiment, the elastic element of the second restoring member 370 is, for example, a restoring spring, but not limited thereto. One end of the second reset member 370 is fixed at the upper end of the rear shell 102 of the housing 100, and the other end is fixedly connected to the driving slider 310, the driving slider 310 moves upward under the action of the second reset member 370, the left clamping arm 201 and the right clamping arm 202 are pushed by the driving slider 310, and the first reset member drives the left clamping arm 201 and the right clamping arm 202 to be folded toward the housing 100 to clamp the mobile terminal placed in the middle.

In other embodiments, the second reset element 370 may also be a magnetic element. For example, two magnetic members are disposed at upper and lower positions on the housing 100, and one magnetic member is disposed on the driving slider 310, wherein the magnetic member on the upper side of the housing and the magnetic member of the driving slider 310 attract each other, and the magnetic member on the lower side of the housing and the magnetic member of the driving slider 310 repel each other.

Further, the mobile terminal cradle further includes a third restoring member 380, the third restoring member 380 being disposed between the bottom arm 131 and the housing 100, the third restoring member 380 being used to restore the bottom arm 131. In this embodiment, the elastic element of the third restoring element 380 is, for example, a restoring spring, but not limited thereto. One end of the third restoring member 380 is fixed to the upper end of the rear case 102 of the housing 100, and the other end is fixedly connected to the bottom arm 131. After the user takes the mobile terminal, the bottom arm 131 is reset upward by means of the third reset member 380, so that the locking member 330 is re-engaged with the driving slider 310.

In other embodiments, the third restoring element 380 may also be a magnetic element. For example, two magnetic members are disposed at upper and lower positions on the housing 100, and one magnetic member is disposed on the bottom arm 131, wherein the magnetic member on the upper side of the housing and the magnetic member on the bottom arm 131 attract each other, and the magnetic member on the lower side of the housing and the magnetic member on the bottom arm 131 repel each other.

It is understood that the first restoring member may be provided as an elastic member or a magnetic member.

Further, a first sliding groove 1021, a second sliding groove 1022 and a third sliding groove 1023 are arranged on the rear shell 102, a first sliding rail 3102 and a second sliding rail 3103 are arranged on the driving slider 310, and a third sliding rail 1311 is arranged on the bottom arm 131, wherein the first sliding rail 3102 is arranged in the first sliding groove 1021, the second sliding rail 3103 is arranged in the second sliding groove 1022, and the third sliding rail 1311 is arranged in the third sliding groove 1023. The sliding groove and the sliding rail are matched to realize limiting sliding, so that the driving sliding block 310 and the bottom arm 131 are prevented from shaking.

The mobile terminal bracket of the present invention has three states in the using process, namely, a closed state, a state in which the left clamping arm 201 and the right clamping arm 202 are opened to the maximum position, and an automatic clamping state in which the left clamping arm 201 and the right clamping arm 202 are folded toward the housing 100 after the trigger button 350 of the automatic unlocking device 300 is pressed. When the mobile terminal is in a closed state, the mobile terminal support keeps a smaller volume, does not shield an automobile air outlet and is attractive as a whole. When the left clamping arm 201 and the right clamping arm 202 are opened to the maximum positions, a user can place the mobile terminal conveniently with one hand, the mobile terminal is placed in place and then the automatic unlocking device 300 is triggered to unlock the mobile terminal, so that the left clamping arm 201 and the right clamping arm 202 can automatically clamp the mobile terminal, the user can complete the placing or taking-down action of the mobile terminal by one-hand operation, and the whole process is simple and smooth for the user.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art 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

1. A mobile terminal support comprises a shell (100), a left clamping arm (201) and a right clamping arm (202) which are respectively arranged at two sides of the shell (100), and is characterized by further comprising a pull-down arm (130), an automatic unlocking device (300) and a first reset piece;

the automatic unlocking device (300) comprises a driving slider (310);

the left clamping arm (201) and the right clamping arm (202) are respectively hinged to the shell (100), a first convex part (212) is arranged on the side surface, facing the right clamping arm (202), of the left clamping arm (201), and a second convex part (222) is arranged on the side surface, facing the left clamping arm (201), of the right clamping arm (202);

the driving sliding block (310) is connected between the first convex part (212) and the second convex part (222), the driving sliding block (310) is detachably connected with the pull-down arm (130), and a first pushing surface (310a) matched with the first convex part (212) and a second pushing surface (310b) matched with the second convex part (222) are arranged on the driving sliding block (310);

the first resetting piece is arranged between the left clamping arm (201) and the right clamping arm (202), or the first resetting piece is arranged between the left clamping arm (201) and the shell (100) and between the right clamping arm (202) and the shell (100); the first resetting piece is used for resetting the left clamping arm (201) and/or the right clamping arm (202);

when the driving slider (310) is connected with the pull-down arm (130) and moves downwards along with the pull-down arm (130), the driving slider (310) respectively drives the left clamping arm (201) and the right clamping arm (202) to rotate and open towards the outside of the shell (100) through the first convex part (212) and the second convex part (222);

when the driving slider (310) is separated from the pull-down arm (130), the first resetting piece drives the left clamping arm (201) and/or the right clamping arm (202) to rotate and fold towards the shell (100).

2. The mobile terminal holder according to claim 1, wherein the automatic unlocking device (300) further comprises a locking member (330) and a trigger button (350), the pull-down arm (130) comprises a bottom arm (131), the locking member (330) is rotatably disposed on the bottom arm (131), the locking member (330) comprises a latch (331) and a first unlocking block (332), the latch (331) is used for being detachably connected with the driving slider (310); the trigger button (350) is movably arranged on the shell (100), the trigger button (350) is provided with a second unlocking block (351), and the second unlocking block (351) is abutted to the first unlocking block (332) so as to drive the locking piece (330) to rotate and enable the clamping block (331) to be separated from the driving sliding block (310).

3. The mobile terminal holder according to claim 2, characterized in that it further comprises a second reset member (370) and a third reset member (380); the second reset member (370) is disposed between the driving slider (310) and the housing (100), and the second reset member (370) is used for resetting the driving slider (310); the third reset member (380) is disposed between the bottom arm (131) and the housing (100), and the third reset member (380) is used for resetting the bottom arm (131).

4. The mobile terminal holder according to claim 3, wherein the first, second and third restoring members (370, 380) are elastic or magnetic elements.

5. The mobile terminal cradle according to claim 2, characterized in that the driving slider (310) is provided with a pushing block (3101) of an inverted triangle shape, the pushing block (3101) forming the first pushing face (310a) and the second pushing face (310b) respectively along two inclined faces axially symmetrical to the housing (100).

6. The mobile terminal bracket according to claim 2, wherein a first sliding slot (1021), a second sliding slot (1022) and a third sliding slot (1023) are provided on the housing (100), a first sliding rail (3102) and a second sliding rail (3103) are provided on the driving slider (310), and a third sliding rail (1311) is provided on the bottom arm (131), wherein the first sliding rail (3102) is disposed in the first sliding slot (1021), the second sliding rail (3103) is disposed in the second sliding slot (1022), and the third sliding rail (1311) is disposed in the third sliding slot (1023).

7. The mobile terminal bracket according to claim 1, wherein the left clamping arm (201) comprises a left transmission arm (210) and a left clamping jaw (110), one end of the left transmission arm (210) is hinged to the housing (100), the other end of the left transmission arm is rotatably connected to the left clamping jaw (110) through a rotation shaft (113), the right clamping arm (202) comprises a right transmission arm (220) and a right clamping jaw (120), one end of the right transmission arm (220) is hinged to the housing (100), the other end of the right transmission arm is rotatably connected to the right clamping jaw (120) through a rotation shaft (113), torsion springs (114) are respectively disposed between the left transmission arm (210) and the left clamping jaw (110), and between the right transmission arm (220) and the right clamping jaw (120), the torsion springs (114) are sleeved on the rotation shaft (113), when the left transmission arm (210) and the right clamping arm (220) are outwardly rotated towards the housing (100), the torsion spring (114) is used for driving the left clamping jaw (110) to rotate relative to the left transmission arm (210) and the right clamping jaw (120) to rotate relative to the right transmission arm (220).

8. The mobile terminal bracket according to claim 7, wherein the lower ends of the left clamping jaw (110) and the right clamping jaw (120) are respectively provided with a limiting groove (110a), the upper ends of the left driving arm (210) and the right driving arm (220) are respectively provided with a limiting protrusion (213), and the limiting protrusion (213) is clamped in the limiting groove (110a) for limiting the rotation angle of the left clamping jaw (110) relative to the left driving arm (210) and the rotation angle of the right clamping jaw (120) relative to the right driving arm (220).

9. The mobile terminal bracket according to claim 7, wherein the housing (100) is provided with a receiving slot (103) for receiving the left clamping arm (201) and the right clamping arm (202), the housing (100) is provided with a stress flange (104) at an edge of the receiving slot (103), the left clamping jaw (110) and the right clamping jaw (120) are respectively provided with a protrusion structure (115), and when the left driving arm (210) and the right driving arm (220) respectively drive the left clamping jaw (110) and the right clamping jaw (120) to move towards the housing (100), the protrusion structure (115) contacts with the stress flange (104) and forces the left clamping jaw (110) and the right clamping jaw (120) to be respectively turned towards the housing (100) and received in the receiving slot (103).

10. Mobile terminal support according to claim 1, characterised in that the left clamping arm (201) is provided with a first toothing (211) and the right clamping arm (202) is provided with a second toothing (221) which is intermeshed with the first toothing (211).