CN216868023U - Mobile terminal support clamping mechanism and mobile terminal support - Google Patents

Abstract

The utility model discloses a mobile terminal bracket clamping mechanism, which comprises: the clamping assembly, the driving assembly and the base; the driving assembly drives the clamping arms of the clamping assembly to move away from or close to each other; the base is provided with the spring bolt, with drive assembly can dismantle the connection, works as drive assembly drive a plurality of arm lock are close to each other and press from both sides tight mobile terminal after, the spring bolt with drive assembly meshing is connected. The utility model also discloses a mobile terminal bracket. The utility model solves the technical problem of how to improve the reliability of the mobile terminal bracket clamping mechanism.

Description

Mobile terminal support clamping mechanism and mobile terminal support

Technical Field

The utility model relates to the technical field of mobile terminal supports. More particularly, the present invention relates to a mobile terminal holder clamping mechanism and a mobile terminal holder.

Background

With the rapid development of electronic technology, mobile terminals (such as mobile phones) are becoming an indispensable part of people's lives. When people work, at home or travel, in order to liberate two hands, a mobile terminal support is usually used for clamping and fixing the mobile terminal, and then the mobile terminal is operated, so that functions such as navigation, charging, information inquiry or video and audio entertainment are realized. The popularization of the mobile terminal support brings convenience to daily work and life of people. Conventional mobile terminal supports generally employ a gear structure, a rack structure, a long screw pincer-shaped locking structure, or a gravity lever structure. The traditional mobile terminal support formed by the structures has the defects that the mobile terminal is easy to slide and is unreliable in fixation.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve the above problems and provide corresponding advantageous effects.

Another objective of the present invention is to provide a mobile terminal support clamping mechanism and a mobile terminal support, which solves the technical problem of how to improve the reliability of the mobile terminal support clamping mechanism. The utility model is mainly realized by the technical scheme in the following aspects:

< first aspect of the utility model >

A first aspect provides a mobile terminal support clamping mechanism, comprising:

the clamping assembly, the driving assembly and the base; wherein the content of the first and second substances,

the driving assembly drives the clamping arms of the clamping assembly to move away from or close to each other;

the base is provided with the spring bolt, with drive assembly can dismantle the connection, works as drive assembly drive a plurality of arm lock are close to each other and press from both sides tight mobile terminal after, the spring bolt with drive assembly meshing is connected.

In the first aspect of the utility model, the lock tongue detachably connected with the driving assembly is arranged on the base, so that after the plurality of clamping arms of the clamping assembly clamp the mobile terminal, the lock tongue is meshed with the driving assembly, the stability of the clamping assembly is kept, the reliability of the mobile terminal support clamping mechanism is improved, and the phenomenon that the mobile terminal slides down is effectively prevented.

In some embodiments, the plurality of clamp arms includes a first clamp arm, a second clamp arm, a third clamp arm, and a fourth clamp arm; wherein the first clamping arm is provided with a first mounting end; the second clamping arm is provided with a second mounting end; the third clamping arm is provided with a third mounting end; the fourth clip arm has a fourth mounting end.

In some technical solutions, the first mounting end is provided with a first connecting portion, the second mounting end is provided with a second connecting portion, the third mounting end is provided with a third connecting portion, the fourth mounting end is provided with a fourth connecting portion, and the first connecting portion, the second connecting portion, the third connecting portion and the fourth connecting portion are all used for connecting the driving assembly.

In some embodiments, the drive assembly includes a turntable and a plurality of reset members, each reset member having one end connected to the turntable and another end connected to the base;

when the turntable rotates, the clamping arms are driven to do telescopic motion.

In some aspects, the plurality of reducing members includes a first reducing member and a second reducing member.

In some technical schemes, a meshing part of the lock tongue is provided with strip-shaped teeth;

the turntable is provided with a fixing part, at least one driving switch, a plurality of mounting areas, a plurality of spiral guide grooves and a plurality of mounting fixing columns, wherein the fixing part is used for being meshed with the meshing part; the driving switch is arranged on the side wall of the rotary disc; the plurality of mounting areas are for mounting the plurality of reduction members; the spiral guide grooves are used for connecting the clamping arms; the installation fixing columns are used for connecting the reset components.

In some embodiments, the plurality of mounting areas include a first mounting area and a second mounting area, and the base is provided with a first connecting column and a second connecting column; the first connecting column penetrates through the first mounting area and is used for mounting the first resetting component; the second connecting column penetrates through the second mounting area, and the second resetting component is mounted.

In some embodiments, the plurality of spiral guide grooves include a first spiral guide groove, a second spiral guide groove, a third spiral guide groove, and a fourth spiral guide groove, wherein the first connection portion passes through the first spiral guide groove and is slidably connected to the turntable, the second connection portion passes through the second spiral guide groove and is slidably connected to the turntable, the third connection portion passes through the third spiral guide groove and is slidably connected to the turntable, and the fourth connection portion passes through the fourth spiral guide groove and is slidably connected to the turntable.

In some embodiments, the plurality of helical guide grooves are each configured as a helix.

In some embodiments, the plurality of mounting and fixing posts includes a first mounting and fixing post for connecting to the first restoring member and a second mounting and fixing post for connecting to the second restoring member.

In some embodiments, the base includes a plurality of sliding grooves adapted to the clamping assembly, and the plurality of sliding grooves includes a first sliding groove, a second sliding groove, a third sliding groove, and a fourth sliding groove; the first mounting end is arranged on the first sliding groove in a sliding mode; the second mounting end is arranged on the second sliding groove in a sliding manner; the third mounting end is arranged on the third sliding groove in a sliding manner; the fourth mounting end is slidably disposed in the fourth sliding groove.

In some embodiments, the base further comprises at least one release button and a lanyard key ring, wherein the at least one release button is configured to actuate the plurality of clamp arms to retract in a direction toward the carousel; the hanging rope key ring is arranged on the outer side wall of the base.

In some embodiments, the turntable further comprises a tongue-shaped groove, and the base further comprises a stop member, wherein the tongue-shaped groove is matched with one end of the stop member;

when the first connecting part, the second connecting part, the third connecting part and the fourth connecting part slide to the other ends of the spiral guide grooves from one ends of the spiral guide grooves close to the circle center of the rotary table, the tenon-shaped groove is connected with one end of the stop member.

< second aspect of the utility model >

A second aspect provides a mobile terminal support comprising:

the utility model provides a mobile terminal bracket clamping mechanism and a fixing component in a first aspect; the mobile terminal support clamping mechanism is provided with a connecting assembly, and the connecting assembly is connected with the fixing assembly.

In some embodiments, the coupling assembly includes a nut member and a coupling member, the coupling member having a peripheral wall provided with a thread, the nut member being threadedly engaged with the coupling member.

In some aspects, the securing assembly includes an eccentric clasping.

The beneficial effects of the utility model include:

according to the clamping mechanism, the lock tongue detachably connected with the driving assembly is arranged on the base, so that after the clamping mobile terminal is clamped by the plurality of clamping arms of the clamping assembly, the lock tongue is meshed with the driving assembly, the stability of the clamping assembly is kept, the reliability of the clamping mechanism of the mobile terminal support is improved, and the phenomenon that the mobile terminal slides down is effectively prevented.

Secondly, the connecting portion that a plurality of arm lock correspond are connected with a plurality of spiral guide slot, and when the carousel rotated, the connecting portion of a plurality of arm lock of carousel drive slided in the spiral guide slot that corresponds to this drives a plurality of arm lock and keeps away from each other or be close to, also drives a plurality of arm lock and does concertina movement promptly. The spiral guide grooves are arranged in a spiral shape, so that the telescopic spaces of the clamping arms are greatly increased, the mobile terminal support clamping mechanism provided by the utility model can adapt to the use scene of clamping mobile terminals with various dimensions, and the universality of the traditional mobile terminal support clamping mechanism is improved.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The various features and embodiments of the present invention referred to in the aspects above may be applied to other aspects, as appropriate, mutatis mutandis. Thus, particular features in one aspect may be combined with particular features in other aspects as appropriate.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a mobile terminal holder clamping mechanism of the present invention in some embodiments;

fig. 2 is an exploded schematic view of a mobile terminal holder clamping mechanism of the present invention in some embodiments;

FIG. 3 is a schematic diagram of the construction of a turntable of the present invention in some embodiments;

fig. 4 is a schematic view of a mobile terminal cradle clamping mechanism according to some embodiments of the present invention with a plurality of clamping arms in a retracted state;

fig. 5 is a schematic diagram of a mobile terminal stand clamping mechanism of the present invention with a plurality of clamping arms in an extended state in some embodiments;

fig. 6 is a cross-sectional view of a mobile terminal holder clamping mechanism of the present invention in some embodiments;

FIG. 7 is a schematic diagram of a mobile terminal holder according to some embodiments of the present invention;

description of reference numerals:

1. a mobile terminal support clamping mechanism;

10. a clamping assembly; 11. a first clamp arm; 111. a first mounting end; 1111. a first connection portion; 12. a second clamp arm; 121. a second mounting end; 1211. a second connecting portion; 13. a third clamp arm; 131. a third mounting end; 1311. a third connecting portion; 14. a fourth clamp arm; 141. a fourth mounting end; 1411. a fourth connecting portion;

20. a drive assembly; 21. a turntable; 211. a fixed part; 212. a drive switch; 213A, a first mounting area; 213B, a second mounting area; 214A, a first helical guide groove; 214B, a second helical guide groove; 214C, a third helical guide groove; 214D, a fourth helical channel; 215A, a first mounting and fixing column; 215B, a second mounting and fixing column; 216. a tenon-shaped groove; 22. a first reset member; 23. a second reset member;

30. a base; 31. a latch bolt; 32. a first chute; 33. a second chute; 34. a third chute; 35. a fourth chute; 36. a release button; 361. a first elastic member; 37. a stopper member; 371. a second elastic member; 38A, a first connecting column; 38B, a second connecting column; 39. mounting holes;

40. a screw;

50. a rope hanging key ring;

60. a housing; 61. fixing screws;

100. a mobile terminal support;

110. and (6) fixing the assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly and completely apparent, the technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second" and the like in the description of the embodiments of the present application are used for distinguishing different objects, and are not used for describing a specific order of the objects. For example, the first and second mounting and fixing posts are used to distinguish different mounting and fixing posts, rather than to describe a particular order of mounting and fixing posts.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The following further describes embodiments of the present invention with reference to the drawings.

< Mobile terminal cradle clamping mechanism >

As shown in fig. 1 and 2, a first aspect provides a mobile terminal holder clamping mechanism 1, comprising:

the clamping assembly 10, the driving assembly 20 and the base 30; wherein the content of the first and second substances,

the driving assembly 20 drives the clamping arms of the clamping assembly 10 to move away from or close to each other;

the base 30 is provided with a lock tongue 31, and is detachably connected to the driving assembly 20, and when the driving assembly 20 drives the plurality of clamping arms to approach each other and clamp the mobile terminal, the lock tongue 31 is engaged with the driving assembly 20.

It should be noted that the clamping assembly 10 is disposed between the driving assemblies 20. The clamping assembly 10 is slidably connected with the driving assembly 20, and the clamping assembly 10 is slidably connected with the base 30.

One end of the locking tongue 31 is a user operation end, and the other end is configured to include an end portion with a tooth structure. The function of the locking tongue 31 can be realized by referring to the following examples:

when the plurality of clamping arms clamp the mobile terminal, the user pushes the operation end, and the end with the tooth structure is engaged with the driving assembly 20.

In the above embodiment, the locking tongue 31 detachably connected to the driving assembly 20 is disposed on the base 30, so that after the clamping of the mobile terminal by the plurality of clamping arms of the clamping assembly 10, the locking tongue 31 is engaged with the driving assembly 20, thereby maintaining the stability of the clamping assembly 10, improving the reliability of the mobile terminal support clamping mechanism 1, and effectively preventing the mobile terminal from sliding down.

In some embodiments, the plurality of clamp arms includes a first clamp arm 11, a second clamp arm 12, a third clamp arm 13, and a fourth clamp arm 14; wherein the first clamping arm 11 has a first mounting end 111; the second clamping arm 12 has a second mounting end 121; the third clamp arm 13 has a third mounting end 131; the fourth clip arm 14 has a fourth mounting end 141.

It should be noted that the first clip arm 11, the second clip arm 12, the third clip arm 13 and the fourth clip arm 14 have the same shape and structure, and are symmetrically arranged in an "X" shape.

The first mounting end 111, the second mounting end 121, the third mounting end 131 and the fourth mounting end 141 are all arranged in a V shape.

In some embodiments, the first mounting end 111 is provided with a first connection portion 1111, the second mounting end 121 is provided with a second connection portion 1211, the third mounting end 131 is provided with a third connection portion 1311, the fourth mounting end 141 is provided with a fourth connection portion 1411, and the first connection portion 1111, the second connection portion 1211, the third connection portion 1311 and the fourth connection portion 1411 are all used for connecting the driving assembly 20.

In some embodiments, the driving assembly 20 includes a turntable 21 and a plurality of reset members, each reset member having one end connected to the turntable 21 and the other end connected to the base 30; when the turntable 21 rotates, the plurality of clamping arms are driven to do telescopic motion.

Illustratively, as shown in fig. 4, when the turntable 21 rotates in the direction S, the plurality of clamping arms perform an extending motion in a direction opposite to the direction of the turntable 21; as shown in fig. 5, when the turntable 21 rotates in the N direction, the plurality of clamping arms perform a retracting movement in the direction of the turntable 21.

The plurality of return members may be spring members, and in other embodiments, the plurality of return members may also be other members having elasticity, which is not further limited herein.

In some embodiments, the plurality of reducing members includes a first reducing member 22 and a second reducing member 23.

In some embodiments, as shown in fig. 2 and 3, the engagement portion of the locking tongue 31 is provided with bar-shaped teeth; the turntable 21 is provided with a fixing part 211, at least one driving switch 212, a plurality of mounting areas, a plurality of spiral guide grooves and a plurality of mounting fixing columns, wherein the fixing part 211 is used for being meshed and connected with the meshing part; the driving switch 212 is disposed on a side wall of the turntable 21; the plurality of mounting areas are for mounting the plurality of reduction members; the spiral guide grooves are used for connecting the clamping arms; the installation fixing columns are used for connecting the reset components.

The fixing portion 211 is configured as a fixing portion with a tooth structure, and is engaged with the latch bolt.

In the present embodiment, the at least one driving switch 212 is two in number, and specifically includes a first driving switch and a second driving switch. The first driving switch and the second driving switch are respectively arranged on the outer side walls of the two sides of the turntable.

In some embodiments, the plurality of mounting areas includes a first mounting area 213A and a second mounting area 213B, the base 30 is provided with a first connecting post 38A and a second connecting post 38B; the first connecting post 38A passes through the first mounting region 213A, mounting the first reducing member 22; the second connecting post 38B passes through the second mounting region 213B and mounts the second reset member 23.

In some embodiments, the plurality of spiral guide grooves include a first spiral guide groove 214A, a second spiral guide groove 214B, a third spiral guide groove 214C, and a fourth spiral guide groove 214D, wherein the first connection portion 1111 passes through the first spiral guide groove 214A to be slidably connected with the rotary plate 21, the second connection portion 1211 passes through the second spiral guide groove 214B to be slidably connected with the rotary plate 21, the third connection portion 1311 passes through the third spiral guide groove 214C to be slidably connected with the rotary plate 21, and the fourth connection portion 1411 passes through the fourth spiral guide groove 214D to be slidably connected with the rotary plate 21.

In some embodiments, the plurality of helical guide grooves are each provided in a helical shape.

In some embodiments, the plurality of mounting and securing posts includes a first mounting and securing post 215A and a second mounting and securing post 215B, the first mounting and securing post 215A for connecting with the first reducing member 22 and the second mounting and securing post 215B for connecting with the second reducing member 23.

In some embodiments, the base 30 includes a plurality of runners adapted to the clamp assembly 10, including a first runner 32, a second runner 33, a third runner 34, and a fourth runner 35; the first mounting end 111 is slidably disposed on the first sliding slot 32; the second mounting end 121 is slidably disposed on the second sliding slot 33; the third mounting end 131 is slidably disposed on the third sliding slot 34; the fourth mounting end 141 is slidably disposed on the fourth sliding slot 35.

The first sliding groove 32 and the second sliding groove 33 are integrally formed, and the forming shape is set to be V-shaped, that is, the first sliding groove 32 is one side of the V-shape, and the second sliding groove 33 is the other side of the V-shape. The third sliding groove 34 and the fourth sliding groove 35 are integrally formed, and the forming shape is set to be V-shaped, that is, the third sliding groove 34 is one side of the V-shape, and the fourth sliding groove 35 is the other side of the V-shape, as shown in fig. 2. Of course, in other embodiments, the combination shape of the first slide groove 32, the second slide groove 33, the third slide groove 34 and the fourth slide groove 35 can be set by those skilled in the art according to actual requirements.

In some embodiments, the base 30 further comprises at least one release button 36 for driving the plurality of clamping arms to retract toward the carousel, and a lanyard key ring 50; the lanyard key ring 50 is disposed on the outer sidewall of the base.

The at least one release button 36 is two in number, being a first release button and a second release button, respectively. The first release button and the second release button are respectively arranged at two ends of the base. In other embodiments, the number of the release buttons 36 can be set by those skilled in the art according to actual requirements. The first release button and the second release button are connected to the base 30 through a first elastic member 361, respectively. The first elastic member 361 may be a spring member.

In some embodiments, the turntable 21 further comprises a tongue-shaped groove 216, the base 30 further comprises a stop member 37, and the tongue-shaped groove 216 matches one end of the stop member 37;

the tenon groove 216 is coupled to one end of the stopper member 37 when the first coupling portion 1111, the second coupling portion 1211, the third coupling portion 1311 and the fourth coupling portion 1411 slide from one end of the spiral guide grooves, which is close to the center of the rotation disk 21, to the other end of the spiral guide grooves.

The stop member 37 is connected to the base by a second elastic member 371. The second elastic member 371 may be a spring member.

In some embodiments, as shown in fig. 2, the base 30 is further provided with a plurality of mounting holes 39, each of the mounting holes 39 being matched with a screw 40 for a designer to screw an external member (e.g., a housing) with the base.

In some embodiments, as shown in fig. 6, the mobile terminal holder clamping mechanism 1 further comprises a housing 60, and the housing 60 and the base 30 are configured to be screwed together. Illustratively, the housing 60 is connected to the base 30 by a set screw 61.

In practical applications, the working principle of the mobile terminal support clamping mechanism 1 can be implemented according to the following example (see fig. 4 and 5):

in fig. 4, when the user manually pushes the left driving switch 212 in the direction S, the rotating disc 21 starts to rotate under the action of force to drive the clamping arms of the clamping assembly 10 to move away from each other (i.e. to extend outward), and when the rotating disc 21 rotates to a predetermined position (i.e. when the first connecting portion 1111, the second connecting portion 1211, the third connecting portion 1311 and the fourth connecting portion 1411 slide to the other ends of the spiral guide grooves from one end of the spiral guide grooves close to the center of the rotating disc 21), the tenon-shaped groove 216 of the rotating disc 21 is engaged with one end of the stopping member 37 to stably fix the rotating disc 21, and at this time, the clamping arms are at the maximum opening position. The user attaches the mobile terminal to the mobile terminal holder clamping mechanism 1 from the direction of the turntable 21 and pushes the release button 36 with the mobile terminal, whereupon the stop member 37 is disconnected from the tenon groove 216, the turntable 21 is rotated in the direction of the home position (i.e., N direction) by the plurality of reset members, as shown in fig. 5, and at the same time, the turntable 21 brings the plurality of clamp arms close to each other (i.e., inwardly contracted) until the mobile terminal is clamped. On this basis, the user can push the latch tongue 31 to make the latch tongue 31 engage with the rotary disk 21, thereby further locking the mobile terminal bracket clamping mechanism 1 and preventing the mobile terminal from sliding off.

< cradle of Mobile terminal >

As shown in fig. 7, a mobile terminal support 100 is provided for the second aspect of the present invention, comprising: the fixing component 110 and the mobile terminal bracket clamping mechanism 1 provided by the first aspect of the utility model; wherein the content of the first and second substances,

the mobile terminal support clamping mechanism 1 is provided with a connecting assembly, and the connecting assembly is connected with the fixing assembly 110.

In some embodiments, the coupling assembly includes a nut member having a screw thread provided on an outer circumferential wall thereof and a coupling member to which the nut member is threadedly coupled.

In some embodiments, the securing assembly 110 includes an over-center clamp. The eccentric holding clamp can be an eccentric holding clamp of the bicycle and is used for being connected with a handlebar of the bicycle.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should, without departing from the spirit of the present invention, devise similar structural modes and embodiments without inventively designing them, and shall fall within the scope of the present invention.

Claims (10)

1. Mobile terminal support clamping mechanism, its characterized in that includes:

the clamping assembly, the driving assembly and the base; wherein the content of the first and second substances,

the driving assembly drives the clamping arms of the clamping assembly to move away from or close to each other;

the base is provided with the spring bolt, with drive assembly can dismantle the connection, works as drive assembly drive a plurality of arm lock are close to each other and press from both sides tight mobile terminal after, the spring bolt with drive assembly meshing is connected.

2. The mobile terminal support clamping mechanism of claim 1, wherein the plurality of clamping arms comprises a first clamping arm, a second clamping arm, a third clamping arm, and a fourth clamping arm; the first clamping arm is provided with a first mounting end, and the first mounting end is provided with a first connecting part; the second clamping arm is provided with a second mounting end, and the second mounting end is provided with a second connecting part; the third clamping arm is provided with a third mounting end, and the third mounting end is provided with a third connecting part; the fourth clamping arm is provided with a fourth mounting end, and the fourth mounting end is provided with a fourth connecting part; the first connecting portion, the second connecting portion, the third connecting portion and the fourth connecting portion are all used for connecting the driving assembly.

3. The mobile terminal stand clamping mechanism according to claim 2, wherein the driving assembly includes a turntable and a plurality of reset members, each reset member having one end connected to the turntable and another end connected to the base;

when the turntable rotates, the clamping arms are driven to do telescopic motion.

4. The mobile terminal support clamping mechanism of claim 3, wherein the engagement portion of the locking tongue is provided with bar teeth;

the rotary table is provided with a fixing part, at least one driving switch, a plurality of mounting areas, a plurality of spiral guide grooves and a plurality of mounting and fixing columns, wherein the fixing part is used for being meshed and connected with the meshing part; the driving switch is arranged on the side wall of the rotary disc; the plurality of mounting areas are for mounting the plurality of reduction members; the spiral guide grooves are used for connecting the clamping arms; the plurality of mounting and fixing columns are used for connecting the plurality of resetting components;

the plurality of reducing members includes a first reducing member and a second reducing member.

5. The mobile terminal holder clamping mechanism according to claim 4, wherein said plurality of mounting areas comprises a first mounting area and a second mounting area, said base being provided with a first connection post and a second connection post; the first connecting column penetrates through the first mounting area and is used for mounting the first resetting component; the second connecting column penetrates through the second mounting area, and the second resetting component is mounted.

6. The mobile terminal holder clamping mechanism according to claim 5, wherein the plurality of spiral guide grooves comprise a first spiral guide groove, a second spiral guide groove, a third spiral guide groove and a fourth spiral guide groove, wherein the first connecting portion passes through the first spiral guide groove to be slidably connected with the turntable, the second connecting portion passes through the second spiral guide groove to be slidably connected with the turntable, the third connecting portion passes through the third spiral guide groove to be slidably connected with the turntable, and the fourth connecting portion passes through the fourth spiral guide groove to be slidably connected with the turntable;

the plurality of spiral guide grooves are all arranged in a spiral shape.

7. The mobile terminal holder clamping mechanism according to claim 6, wherein the plurality of mounting and fixing posts comprise a first mounting and fixing post for connecting the first reset member and a second mounting and fixing post for connecting the second reset member.

8. The mobile terminal holder clamping mechanism according to claim 7, wherein the base comprises a plurality of runners adapted to the clamping assembly, the plurality of runners including a first runner, a second runner, a third runner, and a fourth runner, at least one release button, and a lanyard key ring; the first mounting end is arranged on the first sliding groove in a sliding mode; the second mounting end is arranged on the second sliding groove in a sliding manner; the third mounting end is arranged on the third sliding groove in a sliding manner; the fourth mounting end is arranged on the fourth sliding groove in a sliding manner; the at least one release button is used for driving the clamping arms to contract towards the direction of the turntable; the hanging rope key ring is arranged on the outer side wall of the base.

9. The mobile terminal stand clamping mechanism of claim 8, wherein the mobile terminal stand clamping mechanism further comprises a housing, the turntable further comprises a dovetail groove, the base further comprises a stop member; wherein the content of the first and second substances,

the shell and the base are arranged to be in threaded connection;

the tenon-shaped groove is matched with one end of the stop component;

when the first connecting part, the second connecting part, the third connecting part and the fourth connecting part slide to the other ends of the spiral guide grooves from one ends of the spiral guide grooves close to the circle center of the rotary table, the tenon-shaped groove is connected with one end of the stop member.

10. Mobile terminal stand, characterized in that it comprises a fixing assembly and a mobile terminal stand clamping mechanism according to any of claims 1-9; the mobile terminal support clamping mechanism is provided with a connecting assembly, and the connecting assembly is connected with the fixing assembly.

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