Automatic clamping mobile phone holder

Abstract

The present invention discloses an automatic clamping mobile phone holder, comprising a base, a bottom bracket, two clamping arms and a driving assembly, wherein the driving assembly comprises a gear, a driving spring, a swinging member, a driving member and an elastic member, the clamping arm is divided into a first clamping arm and a second clamping arm, the first clamping arm is provided with a first rack and a first mounting column, the second clamping arm is provided with a second rack and a second mounting column, the gears are respectively meshed with the first rack and the second rack, one end of the driving spring is sleeved outside the first mounting column, the other end of the driving spring is sleeved outside the second mounting column, the driving member is hinged with the bottom bracket, the elastic member is blocked in front of the driving member, one end of the swinging member is hinged with one of the clamping arms, the other end of the swinging member is provided with a positioning column, the bottom bracket is provided with a first guide groove, the driving member is provided with a positioning hole, the rear end of the driving member is provided with a second guide groove, and the first guide groove and the second guide groove are correspondingly arranged. The present invention automatically clamps the mobile phone, releases the hands of the user, is convenient for the user to use, and reduces the manufacturing cost.

Description

Technical Field

[0001] The invention relates to the technical field of mobile phone holders, and in particular to an automatic clamping mobile phone holder. Background Art

[0002] With the increasing variety of electronic products, mobile phones have become an indispensable electronic product in people's lives. Moreover, with the increasing functions of mobile phones, navigation function has also become an indispensable part for many people. As a result, mobile phone holders have become one of the indispensable mobile phone accessories.

[0003] However, the current mobile phone holders used to fix mobile phones have a semi-automatic structure. After being stretched to a certain distance, they will be fixed. After the mobile phone is placed, they will be closed to clamp the mobile phone to fix the mobile phone. Since this type of mobile phone holder requires the clamping arms to be opened by hand and the width of the two clamping arms is the same as the width of the mobile phone before the mobile phone can be placed, this not only requires two-handed operation, but may also affect driving. Therefore, the existing mobile phone holder should be improved to improve the automation of the mobile phone holder to solve the above problems.

[0004] In order to improve the automation of the mobile phone holder, the inventor proposed an automatically clamping mobile phone holder (patent number: 201920197321.3). However, since this mobile phone holder is electrically controlled, a motor needs to be added, resulting in high production costs. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an automatic clamping mobile phone holder in view of the deficiencies in the above-mentioned prior art, which can automatically clamp the mobile phone, freeing the user's hands and making it convenient for the user to use. The mobile phone holder does not require electric control and can effectively reduce the production cost.

[0006] In order to solve the above technical problems, the technical solution of the present invention is:

[0007] The invention discloses an automatic clamping mobile phone holder, comprising a base, a bottom bracket, two clamping arms that can move toward or away from each other, and a driving component that drives the two clamping arms to move toward each other to clamp the mobile phone. The two clamping arms can slide toward or away from each other and are arranged on both sides of the base. The bottom bracket can be installed on the lower end of the base to move up and down. The driving component comprises a gear, a driving spring, a swinging member, a driving member and an elastic member. The clamping arm is divided into a first clamping arm and a second clamping arm. The first clamping arm is provided with a first rack and a first mounting column. The second clamping arm is provided with a second rack and a second mounting column. The first rack and the second rack are arranged opposite to each other up and down. The gear is arranged between the first rack and the second rack, and the gear is meshed with the first rack and the second rack respectively. One end of the driving spring is sleeved on the first mounting column. The cam is an angular channel that is formed on the side of the second support frame and on the side of the second support frame, and the cam is a linear channel that is formed on the side of the second support frame. The cam is a linear channel that is formed on the side of the second support frame and on the side of the second support frame. The cam is a linear channel that is formed on the side of the second support frame and on the side of the second support frame. The cam is a linear channel that is formed on the side of the second support frame and on the side of the second support frame.

[0008] As a preferred embodiment, the base includes a bottom shell, a surface cover and a middle shell arranged between the bottom shell and the surface cover, the bottom shell is provided with a first accommodating groove, the first accommodating groove is provided with a first rotating shaft, the first clamping arm and the second clamping arm are arranged in the first accommodating groove, the gear is sleeved on the first rotating shaft, the front end of the middle shell is provided with a second accommodating groove, the bottom support and the driving member are arranged in the second accommodating groove, the middle shell is provided with a third guide groove adapted to the first guide groove and the second guide groove, the positioning column passes through the third guide groove and extends into the positioning hole, and the front end face of the positioning column is provided with a guide inclined surface inclined from bottom to top and forward.

[0009] As a preferred solution, the upper end of the base is provided with two second rotating shafts that protrude inward laterally, and the two second rotating shafts are arranged laterally opposite to each other. The lower end of the driving member is provided with a first mounting hole that is adapted to the second rotating shaft, and the driving member is flippably mounted on the top of the base through the first mounting hole and in cooperation with the second rotating shaft; the middle shell is provided with a top block that protrudes forward, and the rear end of the driving member is provided with a slide groove that is adapted to the top block, and the upper wall of the slide groove is a pushing slope that is inclined from bottom to top and backward, and the top block cooperates with the pushing slope to drive the driving member to flip forward around the second rotating shaft.

[0010] As a preferred embodiment, the elastic member includes a U-shaped blocking portion, an elastic portion extending backward from both sides of the blocking portion, a connecting portion formed by bending downward from the end of the elastic portion, and a mounting portion formed by bending laterally inward from the end of the connecting portion. The elastic portion is U-shaped, and a blocking block and a mounting groove adapted to the mounting portion are provided at the upper end of the base. The mounting portion of the elastic member is laterally inserted into the mounting groove, the front end face of the connecting portion abuts against the rear end face of the blocking block, and the rear end face of the blocking portion abuts against the front end face of the driving member.

[0011] As a preferred embodiment, the base includes a sliding block and a support plate, the sliding block is provided with a third accommodating groove adapted to the support plate, the third accommodating groove is provided with a third rack and a fourth guide groove arranged along the up and down directions of the base, the upper end of the support plate is provided with a fourth rack, the fourth rack is meshed with the third rack, the rear end of the support plate is provided with a guide block protruding backwards, the middle shell is provided with a fifth guide groove adapted to the fourth guide groove, and the guide block successively passes through the fourth guide groove and the fifth guide groove and extends out of the rear end surface of the middle shell.

[0012] As a preferred solution, the automatically clamping mobile phone holder also includes a spring, a limit groove is provided in the middle of the middle shell along the up and down directions of the base, a third mounting column is provided at the rear end of the middle shell, and a fourth mounting column is provided at the rear end of the sliding block. The fourth mounting column passes through the limit groove and extends out of the rear end surface of the middle shell, the upper end of the spring is sleeved outside the third mounting column, and the lower end of the spring is sleeved outside the fourth mounting column.

[0013] As a preferred embodiment, the first clamping arm includes a first main body and a first clamping arm arranged on one side of the first main body, the first rack is arranged on the other side of the first main body, and the first mounting column is arranged at the rear end of the first main body; the second clamping arm includes a second main body and a second clamping arm arranged on one side of the second main body, the second rack is arranged on the other side of the second main body, and the second mounting column is arranged at the rear end of the second main body; the first main body is provided with a first clearance groove adapted to the second rack, and the second main body is provided with a second clearance groove adapted to the first rack.

[0014] As a preferred embodiment, the first clamping arm also includes a first pressing block for driving the first clamping arm and the second clamping arm to slide backwards and a first connecting block for connecting the first main body and the first pressing block, the second clamping arm also includes a second pressing block for driving the first clamping arm and the second clamping arm to slide backwards and a second connecting block for connecting the second main body and the second pressing block, the first pressing block and the second pressing block extend out of the outer wall of the bottom shell, the first connecting block and the second connecting block are both L-shaped, including a vertical portion and a horizontal portion formed by bending inward from the lower end of the vertical portion, and the horizontal portion of the first connecting block overlaps with the horizontal portion of the second connecting block front to back.

[0015] As a preferred solution, the first accommodating groove is provided with a first slide rail and a second slide rail, the first slide rail and the second slide rail are staggered up and down, the first slide rail is arranged above the first rotating shaft, and the second slide rail is arranged below the first rotating shaft, the rear end of the first rack is provided with a first slide groove adapted to the first slide rail, and the rear end of the second rack is provided with a second slide groove adapted to the second slide rail, the lower end of the first main body is provided with a groove, and the groove is provided with a second mounting hole, the end of the swinging member away from the positioning column is placed in the groove, and the rear end of the swinging member away from the positioning column is provided with a fifth mounting column protruding backwards, and the swinging member is inserted into the second mounting hole through the fifth mounting column and is hinged to the first clamping arm.

[0016] As a preferred solution, the bottom shell is provided with a sixth mounting column protruding upward, the middle shell is provided with a first through hole adapted to the sixth mounting column, the sixth mounting column is circumferentially provided with a limit block for limiting the height between the rear end surface of the middle shell and the bottom of the first accommodating groove, the sixth mounting column is axially provided with a screw hole, the surface cover is provided with a second through hole adapted to the screw hole, and the surface cover is fixedly installed on the top of the bottom shell by bolts passing through the second through holes and cooperating with the screw holes.

[0017] The beneficial effects of the present invention are as follows: the mobile phone can be automatically clamped through the cooperation of the two clamping arms, gears, swinging parts, driving parts, elastic parts, driving springs and the base, and the process does not require manual operation, which can free the user's hands, facilitate user use, and bring a better experience to the user; since the structure of the mobile phone holder is a mechanical structure, no electric control is required, and no motor needs to be added, thereby effectively reducing the production cost and facilitating wide promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an assembly structure diagram of an embodiment of the present invention;

[0019] Figure 2 An exploded view of an embodiment of the present invention;

[0020] Figure 3 It is an assembly structure diagram of the middle shell, the first clamping arm, the second clamping arm, the swinging member, the driving member, the gear and the bottom bracket of the present invention.

[0021] Figure 4 It is a structural diagram of the driving member of the present invention;

[0022] Figure 5 It is a structural diagram of the elastic member of the present invention;

[0023] Figure 6 It is a structural diagram of the sliding block of the present invention;

[0024] Figure 7 It is a structural diagram of the support plate of the present invention;

[0025] Figure 8 It is a structural diagram of the middle shell of the present invention.

[0026] In the figure: 1-bottom shell, 11-first rotating shaft, 12-sixth mounting column, 13-screw hole, 14-limiting block, 2-face cover, 3-bottom bracket, 31-sliding block, 311-first guide groove, 312-second rotating shaft, 313-mounting groove, 314-stopper, 315-third rack, 316-fourth guide groove, 317-fourth mounting column, 32-support plate, 321-fourth rack, 322-guide block, 4-first clamping arm, 41-first rack, 42-first mounting column, 43-first main body, 44-first clamping arm, 45-first yielding groove, 46-first pressing block, 47-first connecting block, 48-first slide groove, 5-second clamping arm, 51-second rack, 52-second mounting column, 53-second main body, 54-second clamping arm, 55-second yielding groove, 56-second pressing block, 57-second connecting block, 58-second slide groove, 6-gear, 7-swinging member, 71-positioning column, 72-guide slope, 8-driving member, 81-positioning hole, 82-second guide groove, 83-first mounting hole, 84-slide groove, 85-pushing slope, 9-elastic member, 91-blocking part, 92-elastic part, 93-connecting part, 94-mounting part, 10-middle shell, 101-second accommodating groove, 102-third guide groove, 103-fifth guide groove, 104-limiting groove, 105-third mounting column, 106-first through hole, 107-top block. DETAILED DESCRIPTION

[0027] The structural principle and working principle of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0028] like Figures 1 to 8As shown, an automatic clamping mobile phone holder comprises a base, a bottom bracket 3, two clamping arms which can move toward or away from each other, and a driving assembly which drives the two clamping arms to move toward each other to clamp the mobile phone. The two clamping arms can slide toward or away from each other and are arranged on both sides of the base. The bottom bracket 3 can be installed at the lower end of the base to move up and down. The driving assembly comprises a gear 6, a driving spring, a swinging member 7, a driving member 8 and an elastic member 9. The clamping arm is divided into a first clamping arm 4 and a second clamping arm 5. The first clamping arm 4 is provided with a first rack 41 and a first mounting column 42. The second clamping arm 5 is provided with a second rack 51 and a second mounting column 52. The first rack 41 and the second rack 51 are arranged opposite to each other up and down. The gear 6 is arranged between the first rack 41 and the second rack 51, and the gear 6 is meshed with the first rack 41 and the second rack 51 respectively. One end of the driving spring is sleeved outside the first mounting column 42. The other end of the driving spring is sleeved on the outside of the second mounting column 52, the driving member 8 is hinged to the base 3, the elastic member 9 is blocked in front of the driving member 8 and drives the driving member 8 to automatically reset, one end of the swinging member 7 is hinged to one of the clamping arms, the other end of the swinging member 7 is provided with a positioning column 71 protruding forward, the base 3 is provided with a first guide groove 311 adapted to the positioning column 71 along the up and down directions of the base, the driving member 8 is provided with a positioning hole 81 adapted to the positioning column 71, and the rear end of the driving member 8 is provided with a second guide groove 82 adapted to the positioning column 71, the first guide groove 311 and the second guide groove 82 are correspondingly arranged, the base 3 moves downward, and the positioning column 71 escapes from the positioning hole 81, under the joint action of the driving spring, the first rack 41, the second rack 51 and the gear 6, the first clamping arm 4 and the second clamping arm 5 move toward each other to complete the clamping action.

[0029] As a preferred embodiment, the base includes a bottom shell 1, a surface cover 2 and a middle shell 10 arranged between the bottom shell 1 and the surface cover 2, the bottom shell 1 is provided with a first accommodating groove, the first accommodating groove is provided with a first rotating shaft 11, the first clamping arm 4 and the second clamping arm 5 are arranged in the first accommodating groove, the gear 6 is sleeved on the first rotating shaft 11, the front end of the middle shell 10 is provided with a second accommodating groove 101, the bottom bracket 3 and the driving member 8 are arranged in the second accommodating groove 101, the middle shell 10 is provided with a third guide groove 102 adapted to the first guide groove 311 and the second guide groove 82, the positioning column 71 passes through the third guide groove 102 and extends into the positioning hole 81, the front end face of the positioning column 71 is provided with a guide inclined surface 72 inclined from bottom to top and forward, the setting of the guide inclined surface 72 makes it easier for the positioning column 71 to escape from the positioning hole 81 and enter the second guide groove 82, thereby effectively improving the operation stability of the mobile phone holder.

[0030] As a preferred solution, the upper end of the base 3 is provided with two second rotating shafts 312 protruding laterally inwardly, and the two second rotating shafts 312 are arranged laterally opposite to each other. The lower end of the driving member 8 is provided with a first mounting hole 83 adapted to the second rotating shaft 312, and the driving member 8 can be flipped and installed on the top of the base 3 through the first mounting hole 83 and the second rotating shaft 312; the middle shell 10 is provided with a top block 107 protruding forward, and the rear end of the driving member 8 is provided with a slide groove 84 adapted to the top block 107, and the upper wall of the slide groove 84 is a pushing inclined surface 85 inclined from bottom to top and backward, and the top block 107 cooperates with the pushing inclined surface 85 to drive the driving member 8 to flip forward around the second rotating shaft 312, so that the positioning column 71 can be disengaged from the positioning hole 81 and enter the second guide groove 82 when clamping the mobile phone, and the positioning column 71 can be stuck in the positioning hole 81 from the second guide groove 82 when resetting, effectively improving the operating stability of the mobile phone holder.

[0031] As a preferred solution, the elastic member 9 includes a U-shaped blocking portion 91, an elastic portion 92 formed by extending backward from both sides of the blocking portion 91, a connecting portion 93 formed by bending downward from the end of the elastic portion 92, and a mounting portion 94 formed by bending laterally inward from the end of the connecting portion 93. The elastic portion 92 is U-shaped, and a blocking block 314 and a mounting groove 313 adapted to the mounting portion 94 are provided at the upper end of the base 3. The mounting portion 94 of the elastic member 9 is laterally inserted into the mounting groove 313, and the front end face of the connecting portion 93 is abutted against the rear end face of the blocking block 314, and the rear end face of the blocking portion 91 is abutted against the front end face of the driving member 8. In this way, the elastic member 9 can apply a backward force to the driving member 8, so that the driving member 8 can be instantly reset after being moved forward against the positioning column 71, thereby effectively ensuring the operating stability of the mobile phone holder.

[0032] As a preferred solution, the base support 3 includes a sliding block 31 and a support plate 32, the sliding block 31 is provided with a third accommodating groove adapted to the support plate 32, the third accommodating groove is provided with a third rack 315 and a fourth guide groove 316 arranged along the up and down direction of the base, the upper end of the support plate 32 is provided with a fourth rack 321, the fourth rack 321 is meshed with the third rack 315, the rear end of the support plate 32 is provided with a guide block 322 protruding backwards, the middle shell 10 is provided with a fifth guide groove 103 adapted to the fourth guide groove 316, the guide block 322 successively passes through the fourth guide groove 316 and the fifth guide groove 103 and extends out of the rear end surface of the middle shell 10, so that the base support 3 can also fine-tune the distance along the up and down direction to adapt to mobile phones of different lengths, thereby improving the application range of the mobile phone holder.

[0033] As a preferred solution, the automatically clamping mobile phone holder also includes a spring, a limiting groove 104 is provided in the middle part of the middle shell 10 along the up and down direction of the base, a third mounting column 105 is provided at the rear end of the middle shell 10, and a fourth mounting column 317 is provided at the rear end of the sliding block 31. The fourth mounting column 317 passes through the limiting groove 104 and extends out of the rear end surface of the middle shell 10. The upper end of the spring is sleeved on the outside of the third mounting column 105, and the lower end of the spring is sleeved on the outside of the fourth mounting column 317. Through the rebound force of the spring, when the mobile phone is separated from the base, the bottom bracket 3 is automatically reset, which further improves the automation of the mobile phone holder and is more convenient for users to use.

[0034] As a preferred embodiment, the first clamping arm 4 includes a first main body 43 and a first clamping arm 44 arranged on one side of the first main body 43, the first rack 41 is arranged on the other side of the first main body 43, and the first mounting column 42 is arranged at the rear end of the first main body 43. The second clamping arm 5 includes a second main body 53 and a second clamping arm 54 arranged on one side of the second main body 53, the second rack 51 is arranged on the other side of the second main body 53, and the second mounting column 52 is arranged at the rear end of the second main body 53. The first main body 43 is provided with a first clearance groove 45 adapted to the second rack 51, and the second main body 53 is provided with a second clearance groove 55 adapted to the first rack 41.

[0035] As a preferred embodiment, the first clamping arm 4 also includes a first pressing block 46 for driving the first clamping arm 4 and the second clamping arm 5 to slide backwards and a first connecting block 47 for connecting the first main body 43 and the first pressing block 46. The second clamping arm 5 also includes a second pressing block 56 for driving the first clamping arm 4 and the second clamping arm 5 to slide backwards and a second connecting block 57 for connecting the second main body 53 and the second pressing block 56. The first pressing block 46 and the second pressing block 56 extend out of the outer wall of the bottom shell 1. The first connecting block 47 and the second connecting block 57 are both L-shaped, including a vertical portion and a horizontal portion formed by bending inward from the lower end of the vertical portion. The horizontal portion of the first connecting block 47 overlaps with the horizontal portion of the second connecting block 57 front to back.

[0036] As a preferred solution, the first accommodating groove is provided with a first slide rail and a second slide rail, and the first slide rail and the second slide rail are staggered up and down, the first slide rail is arranged above the first rotating shaft 11, and the second slide rail is arranged below the first rotating shaft 11, the rear end of the first rack 41 is provided with a first slide groove 48 adapted to the first slide rail, and the rear end of the second rack 51 is provided with a second slide groove 58 adapted to the second slide rail, the lower end of the first main body 43 is provided with a groove, and a second mounting hole is provided in the groove, and the end of the swinging member 7 away from the positioning column 71 is placed in the groove, and the rear end of the swinging member 7 away from the positioning column 71 is provided with a fifth mounting column protruding backwards, and the swinging member 7 is inserted into the second mounting hole through the fifth mounting column and is hinged to the first clamping arm 4.

[0037] As a preferred solution, the bottom shell 1 is provided with a sixth mounting column 12 protruding upward, the middle shell 10 is provided with a first through hole 106 adapted to the sixth mounting column 12, the sixth mounting column 12 is circumferentially provided with a limit block 14 for limiting the height between the rear end surface of the middle shell 10 and the bottom of the first accommodating groove, the sixth mounting column 12 is axially provided with a screw hole 13, the surface cover 2 is provided with a second through hole adapted to the screw hole 13, and the surface cover 2 is fixedly installed on the top of the bottom shell 1 by bolts passing through the second through holes and cooperating with the screw holes 13.

[0038] When in use, the mobile phone holder is in an initial state (i.e., an open state), and the mobile phone is placed in the base to drive the bottom bracket 3 to move downward, drive the swing member 7 to swing downward, and the positioning column 71 escapes from the positioning hole 81 and enters the second guide groove 82. Under the joint action of the driving spring, the first rack 41, the second rack 51 and the gear 6, the first clamping arm 4 and the second clamping arm 5 move toward each other to complete the action of clamping the mobile phone.

[0039] When resetting, the hand presses the first pressing block 46 and the second pressing block 56 simultaneously to drive the first clamping arm 4 and the second clamping arm 5 to move backwards, and the swing member 7 swings upward until the positioning column 71 passes through the second guide groove 82 from the first guide groove 311 and enters the positioning hole 81.

[0040] The beneficial effects of the present invention are as follows: the mobile phone can be automatically clamped through the cooperation of the two clamping arms, the gear 6, the swinging member 7, the driving member 8, the elastic member 9, the driving spring and the base 3, and the process does not require manual operation, which can free the user's hands, facilitate user use, and bring a better experience to the user; since the structure of the mobile phone holder is a mechanical structure, no electric control is required, and no motor needs to be added, thereby effectively reducing the production cost and facilitating widespread promotion.

[0041] The above description is only a preferred embodiment of the present invention. Any slight modification, equivalent changes and modifications made to the above embodiments according to the technical solution of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An automatic clamping mobile phone holder, characterized in that: The mobile phone holder comprises a base, a bottom bracket, two clamping arms which can move toward or away from each other, and a driving component which drives the two clamping arms to move toward each other and clamp the mobile phone. The two clamping arms can slide toward or away from each other and are arranged on both sides of the base. The bottom bracket can be installed on the lower end of the base to move up and down. The driving component comprises a gear, a driving spring, a swinging member, a driving member and an elastic member. The clamping arm is divided into a first clamping arm and a second clamping arm. The first clamping arm is provided with a first rack and a first mounting column. The second clamping arm is provided with a second rack and a second mounting column. The first rack and the second rack are arranged opposite to each other up and down. The gear is arranged between the first rack and the second rack, and the gear is meshed with the first rack and the second rack respectively. One end of the driving spring is sleeved outside the first mounting column. The other end of the dynamic spring is sleeved on the outside of the second mounting column, the driving member is hinged with the base, the elastic member is blocked in front of the driving member and drives the driving member to automatically reset, one end of the swing member is hinged with one of the clamping arms, the other end of the swing member is provided with a positioning column protruding forward, the base is provided with a first guide groove adapted to the positioning column along the up and down directions of the base, the driving member is provided with a positioning hole adapted to the positioning column, the rear end of the driving member is provided with a second guide groove adapted to the positioning column, the first guide groove and the second guide groove are correspondingly arranged, the base moves downward, the positioning column escapes from the positioning hole, and under the joint action of the driving spring, the first rack, the second rack and the gear, the first clamping arm and the second clamping arm move toward each other to complete the clamping action.

2. The automatic clamping mobile phone holder according to claim 1, characterized in that: The base includes a bottom shell, a surface cover and a middle shell arranged between the bottom shell and the surface cover, the bottom shell is provided with a first accommodating groove, the first accommodating groove is provided with a first rotating shaft, the first clamping arm and the second clamping arm are arranged in the first accommodating groove, the gear is sleeved on the first rotating shaft, the front end of the middle shell is provided with a second accommodating groove, the bottom bracket and the driving member are arranged in the second accommodating groove, the middle shell is provided with a third guide groove adapted to the first guide groove and the second guide groove, the positioning column passes through the third guide groove and extends into the positioning hole, and the front end surface of the positioning column is provided with a guiding inclined surface inclined from bottom to top and forward.

3. The automatic clamping mobile phone holder according to claim 2, characterized in that: The upper end of the base is provided with two second rotating shafts that protrude inward laterally, and the two second rotating shafts are arranged laterally opposite to each other. The lower end of the driving member is provided with a first mounting hole that is adapted to the second rotating shaft, and the driving member is flippably mounted on the top of the base through the first mounting hole and in cooperation with the second rotating shaft; the middle shell is provided with a top block that protrudes forward, and the rear end of the driving member is provided with a slide groove that is adapted to the top block, and the upper wall of the slide groove is a pushing slope that is inclined from bottom to top and backward, and the top block cooperates with the pushing slope to drive the driving member to flip forward around the second rotating shaft.

4. The automatic clamping mobile phone holder according to claim 3, characterized in that: The elastic member includes a U-shaped blocking portion, an elastic portion extending backward from both sides of the blocking portion, a connecting portion bent downward from the end of the elastic portion, and a mounting portion bent laterally inward from the end of the connecting portion. The elastic portion is U-shaped, and a blocking block and a mounting groove adapted to the mounting portion are provided at the upper end of the base. The mounting portion of the elastic member is laterally inserted into the mounting groove, the front end face of the connecting portion abuts against the rear end face of the blocking block, and the rear end face of the blocking portion abuts against the front end face of the driving member.

5. The automatic clamping mobile phone holder according to claim 4, characterized in that: The base includes a sliding block and a support plate, the sliding block is provided with a third accommodating groove adapted to the support plate, the third accommodating groove is provided with a third rack and a fourth guide groove arranged along the up and down direction of the base, the upper end of the support plate is provided with a fourth rack, the fourth rack is meshed with the third rack, the rear end of the support plate is provided with a guide block protruding backwards, the middle shell is provided with a fifth guide groove adapted to the fourth guide groove, and the guide block successively passes through the fourth guide groove and the fifth guide groove and extends out of the rear end surface of the middle shell.

6. The automatic clamping mobile phone holder according to claim 5, characterized in that: It also includes a spring, a middle portion of the middle shell is provided with a limiting groove arranged along the up and down direction of the base, a third mounting column is provided at the rear end of the middle shell, a fourth mounting column is provided at the rear end of the sliding block, the fourth mounting column passes through the limiting groove and extends out of the rear end surface of the middle shell, the upper end of the spring is sleeved outside the third mounting column, and the lower end of the spring is sleeved outside the fourth mounting column.

7. The automatic clamping mobile phone holder according to claim 2, characterized in that: The first clamping arm includes a first main body and a first clamping arm arranged on one side of the first main body, the first rack is arranged on the other side of the first main body, and the first mounting column is arranged at the rear end of the first main body; the second clamping arm includes a second main body and a second clamping arm arranged on one side of the second main body, the second rack is arranged on the other side of the second main body, and the second mounting column is arranged at the rear end of the second main body; the first main body is provided with a first clearance groove adapted to the second rack, and the second main body is provided with a second clearance groove adapted to the first rack.

8. The automatic clamping mobile phone holder according to claim 7, characterized in that: The first clamping arm also includes a first pressing block for driving the first clamping arm and the second clamping arm to slide backwards and a first connecting block for connecting the first main body and the first pressing block. The second clamping arm also includes a second pressing block for driving the first clamping arm and the second clamping arm to slide backwards and a second connecting block for connecting the second main body and the second pressing block. The first pressing block and the second pressing block extend out of the outer wall of the bottom shell. The first connecting block and the second connecting block are both L-shaped, including a vertical portion and a horizontal portion formed by bending inward from the lower end of the vertical portion. The horizontal portion of the first connecting block overlaps with the horizontal portion of the second connecting block front to back.

9. The automatic clamping mobile phone holder according to claim 8, characterized in that: The first accommodating groove is provided with a first slide rail and a second slide rail, and the first slide rail and the second slide rail are staggered up and down, the first slide rail is arranged above the first rotating shaft, and the second slide rail is arranged below the first rotating shaft, the rear end of the first rack is provided with a first slide groove adapted to the first slide rail, and the rear end of the second rack is provided with a second slide groove adapted to the second slide rail, the lower end of the first main body is provided with a groove, and the groove is provided with a second mounting hole, the end of the swing member away from the positioning column is placed in the groove, and the rear end of the swing member away from the positioning column is provided with a fifth mounting column protruding backwards, and the swing member is clamped in the second mounting hole through the fifth mounting column and is hinged to the first clamping arm.

10. The automatic clamping mobile phone holder according to claim 9, characterized in that: The bottom shell is provided with a sixth mounting column protruding upward, the middle shell is provided with a first through hole adapted to the sixth mounting column, the sixth mounting column is circumferentially provided with a limit block for limiting the height between the rear end surface of the middle shell and the bottom of the first accommodating groove, the sixth mounting column is axially provided with a screw hole, the surface cover is provided with a second through hole adapted to the screw hole, and the surface cover is fixedly installed on the top of the bottom shell by bolts passing through the second through holes and cooperating with the screw holes.

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