A mobile terminal support base

Abstract

This utility model relates to the field of 3C accessory technology, specifically to a mobile terminal support base. The mobile terminal support base includes a base, an adjustment component, a support, a first locking structure, and a second locking structure. The adjustment component and the support are rotatably mounted on the base. The adjustment component includes a plurality of first engaging teeth arranged around its rotation center line, and the support includes second engaging teeth that engage with the first engaging teeth. The first locking structure is disposed on one of the base and the support, and the second locking structure is slidably disposed on the other of the base and the support. The second locking structure can slide to engage or disengage with the first locking structure to lock or unlock the support. After the rotation adjustment of the support is completed using the adjustment component, the second locking structure can be slid to engage with the first locking structure, thereby locking the support. This effectively avoids the situation where the pitch angle cannot be constrained to the intended angle due to the excessive weight of the mobile terminal.

Description

Technical Field

[0001] This utility model relates to the field of 3C accessories technology, and in particular to a mobile terminal support base. Background Technology

[0002] A mobile terminal support stand is a product used to support mobile terminals such as tablets and laptops. Existing mobile terminal support stands include a base, an adjustment component, and a support for carrying the mobile terminal. The adjustment component is rotatably mounted on the base and includes several first meshing teeth arranged around its rotation center line. The support is rotatably mounted on the base and includes an arc surface with several second meshing teeth that mesh with the first meshing teeth. This arrangement allows the support to rotate by rotating the adjustment component, thereby adjusting the tilt angle of the mobile terminal.

[0003] The drawback of existing mobile terminals is that when the mobile terminal is heavy, the stand may rotate under the weight of the mobile terminal, and the pitch angle of the mobile terminal cannot be constrained to the intended angle, resulting in a poor user experience. Utility Model Content

[0004] This utility model provides a mobile terminal support base to solve the problem that the support base may rotate under the gravity of the mobile terminal when the mobile terminal is relatively heavy.

[0005] This utility model discloses a mobile terminal support base, which includes:

[0006] Base;

[0007] An adjustment assembly, rotatably mounted on the base, the adjustment assembly including a plurality of first meshing teeth arranged around its rotation center line;

[0008] A support includes an arc surface, on which a plurality of second meshing teeth are provided. The plurality of second meshing teeth are arranged in the circumferential direction of the arc surface. The support is rotatably mounted on the base. The first meshing teeth mesh with the second meshing teeth, so that when the adjusting component is subjected to force and rotates, it can drive the support to rotate. The support is used to support a mobile terminal.

[0009] A first locking structure is provided on one of the base and the support;

[0010] A second locking structure is slidably disposed on one of the base and the support, and the second locking structure can slide to engage or disengage with the first locking structure to lock or unlock the support.

[0011] Optionally, the first locking structure includes a plurality of first positioning teeth, which are disposed on the side of the support opposite to the second engaging teeth, and are arranged in the circumferential direction of the arc surface; the second locking structure is a first sliding button disposed on the base, which includes a first operating block and a locking block connected to the first operating block, and the locking block is provided with a second positioning tooth, which is disposed opposite to the first positioning tooth in the sliding direction of the first sliding button, so that the first sliding button can slide until the second positioning tooth engages or disengages from the first positioning tooth.

[0012] Optionally, the first operating block has an arc-shaped recess on the side facing away from the latching block.

[0013] Optionally, the base includes:

[0014] The base on which the adjustment assembly is rotatably mounted;

[0015] An mounting block is installed on the top of the base and together with the base defines an opening, through which the support passes so that the support is rotatably mounted on the base.

[0016] Optionally, the mounting block has a strip-shaped hole on the side facing away from the base, the first operating block passes through the strip-shaped hole, the snap-fit ​​block is located between the strip-shaped hole and the support, and the outline of the snap-fit ​​block is larger than the outline of the strip-shaped hole.

[0017] Optionally, in the direction of gravity, the projected area of ​​the base is larger than the projected area of ​​the support.

[0018] Optionally, the support is provided with a locking structure, the locking structure comprising:

[0019] A first support plate is disposed at one end of the support;

[0020] A card plate is disposed at one end of the support and spaced apart from the first support plate.

[0021] Optionally, in the interval direction between the card plate and the first support plate, the card plate is slidably connected to the support, and the mobile terminal support further includes a locking component, which is mounted on the support and connected to the card plate, and is used to lock and unlock the card plate.

[0022] Optionally, the locking plate is connected to an adjusting plate, which is slidably mounted on the support. The adjusting plate is provided with a plurality of third positioning teeth, which are arranged in the interval direction. The locking component includes a second sliding button, which has a second operating block exposed on the support and a fourth positioning tooth disposed opposite to the plurality of third positioning teeth in a first direction, which is perpendicular to the interval direction. The second sliding button is slidably connected to one end of the support in the first direction so that the fourth positioning tooth can engage or disengage with the third positioning tooth.

[0023] Optionally, the operating block protrudes from the arc surface, and the base is provided with a clearance groove to avoid the operating block. The clearance groove has a bottom, which is located on the rotation path of the operating block to limit the stroke of the support.

[0024] The beneficial effects of the mobile terminal support provided in this embodiment of the present invention are as follows: The mobile terminal support provided in this embodiment of the present invention adds a first locking structure and a second locking structure. The first locking structure is disposed on one of the base and the support, and the second locking structure is slidably disposed on the other of the base and the support. The second locking structure can slide to engage or disengage with the first locking structure to lock or unlock the support. After the rotation adjustment of the support is completed using the adjustment component, the second locking structure can be slid to engage with the first locking structure, thereby locking the support. With this configuration, the support will not rotate relative to the base under the gravity of the mobile terminal, effectively avoiding the situation where the pitch angle cannot be constrained to the intended angle due to the excessive weight of the mobile terminal, resulting in an excellent user experience. Attached Figure Description

[0025] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0026] Figure 1 This is a three-dimensional schematic diagram of the mobile terminal support base provided in this embodiment of the utility model;

[0027] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the mobile terminal support base from another angle;

[0028] Figure 3 yes Figure 1 The diagram shows the changing states of the mobile terminal support base.

[0029] Figure 4 yes Figure 3 The diagram shows the structure of the mobile terminal support base after omitting the mounting block.

[0030] Figure 5This is a schematic diagram of the base and the second locking structure provided in an embodiment of the present invention;

[0031] Figure 6 yes Figure 5 Enlarged view of part A in the middle;

[0032] Figure 7 This is a schematic diagram of the structure of the first slide button provided in this embodiment of the utility model;

[0033] Figure 8 yes Figure 3 The diagram shows the structure of the mobile terminal support base after omitting part of the support.

[0034] Figure 9 yes Figure 8 Enlarged view of a portion of position B in the middle;

[0035] Figure 10 This is an exploded view of the base and mounting block provided in an embodiment of the present utility model;

[0036] Figure 11 yes Figure 10 A magnified view of the area at position C.

[0037] The labels for the attached figures are as follows:

[0038] 1000. Mobile terminal support stand;

[0039] 100. Base; 110. Base plate; 120. Mounting block; 121. Strip hole; 122. Stop wall; 130. Opening; 140. Clearance groove; 141. Groove bottom; 150. First connecting lug;

[0040] 200, Adjustment component; 210, First meshing tooth; 220, Knob; 230, Gear post;

[0041] 300, Support; 310, Arc surface; 311, Second meshing tooth; 320, Mounting structure; 321, First support plate; 322, Clamping plate; 323, Adjusting plate; 3232, Third positioning tooth; 324, Second compression spring; 325, Second support plate; 330, Inner wall surface; 331, Protrusion;

[0042] 400. First locking structure; 410. First positioning tooth;

[0043] 500. Second locking structure; 510. First sliding button; 511. First operating block; 5111. Arc-shaped recess; 512. Snap-fit ​​block; 5121. Second positioning tooth;

[0044] 600, Locking assembly; 610, Second slide button; 611, Second operating block; 612, Fourth positioning tooth; 620, First compression spring. Detailed Implementation

[0045] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0046] This utility model embodiment provides a mobile terminal support base 1000, such as... Figures 1-7 As shown, the mobile terminal support 1000 includes a base 100, an adjustment component 200, a support 300, a first locking structure 400, and a second locking structure 500. The adjustment component 200 is rotatably mounted on the base 100 and includes a plurality of first meshing teeth 210 arranged around its rotation center line. The support 300 includes an arc surface 310, on which a plurality of second meshing teeth 311 are provided. The plurality of second meshing teeth 311 are arranged in the circumferential direction of the arc surface 310. The support 300 is rotatably mounted on the base 100. The first meshing teeth 210 and the second meshing teeth 311 engage, so that when the adjustment component 200 is rotated under force, it can drive the support 300 to rotate. Since the support 300 is used to support the mobile terminal, the pitch angle of the mobile terminal will be adjusted accordingly when the support 300 rotates. A first locking structure 400 is disposed on one of the base 100 and the support 300, and a second locking structure 500 is slidably disposed on the other of the base 100 and the support 300. The second locking structure 500 can slide to engage or disengage with the first locking structure 400 to lock or unlock the support 300.

[0047] By implementing this embodiment, after adjusting the rotation of the support 300 using the adjustment component 200, the second locking structure 500 can be slid to engage with the first locking structure 400, thereby locking the support 300. With this configuration, the support 300 will not rotate relative to the base 100 under the weight of the mobile terminal, effectively avoiding the technical problem that the pitch angle cannot be constrained to the intended angle due to the excessive weight of the mobile terminal, resulting in an excellent user experience.

[0048] It is worth mentioning that after locking the support 300 by using the second locking structure 500 in conjunction with the first locking structure 400, if you want to adjust the rotation angle of the support 300, you can slide the second locking structure 500 in the opposite direction to disengage the second locking structure 500 from the first locking structure 400. At this time, the support 300 is unlocked, and the rotation angle of the support 300 can be adjusted by rotating the adjustment component 200.

[0049] There are many ways to set the first locking structure 400 and the second locking structure 500. This embodiment does not limit them. The following are some specific embodiments for illustration:

[0050] refer to Figures 1-7 In Embodiment 1, the first locking structure 400 includes a plurality of first positioning teeth 410, which are disposed on the side of the support 300 opposite to the second engaging teeth 311. The plurality of first positioning teeth 410 are arranged in the circumferential direction of the arc surface 310. The second locking structure 500 is a first sliding button 510 disposed on the base 100. The first sliding button 510 includes a first operating block 511 and a locking block 512 connected to the first operating block 511. The locking block 512 is provided with a second positioning tooth 5121. The second positioning tooth 5121 is disposed opposite to the first positioning tooth 410 in the sliding direction of the first sliding button 510, so that the first sliding button 510 can slide until the second positioning tooth 5121 engages or disengages from the first positioning tooth 410.

[0051] By implementing this embodiment, the user can apply force to the first operating block 511, thereby causing the first sliding button 510 to slide, so that the first positioning tooth 410 engages or disengages with the second positioning tooth 5121. When the first positioning tooth 410 engages with the second positioning tooth 5121, the support 300 is locked; when the first positioning tooth 410 disengages with the second positioning tooth 5121, the support 300 is unlocked.

[0052] In Embodiment 2, the first locking structure 400 includes a plurality of first positioning teeth 410, which are disposed on the base 100 and arranged in the circumferential direction of the arc surface 310. The second locking structure 500 is a first sliding button 510 disposed on the support 300. The first sliding button 510 includes a first operating block 511 and a locking block 512 connected to the first operating block 511. The locking block 512 is provided with a second positioning tooth 5121. The second positioning tooth 5121 is disposed opposite to the first positioning tooth 410 in the sliding direction of the first sliding button 510, so that the first sliding button 510 can slide until the second positioning tooth 5121 engages or disengages from the first positioning tooth 410.

[0053] By implementing this embodiment, the user can apply force to the first operating block 511, thereby causing the first sliding button 510 to slide, so that the first positioning tooth 410 engages or disengages with the second positioning tooth 5121. When the first positioning tooth 410 engages with the second positioning tooth 5121, the support 300 is locked; when the first positioning tooth 410 disengages with the second positioning tooth 5121, the support 300 is unlocked.

[0054] In Embodiment 3, the first locking structure 400 includes a plurality of slots (not shown in the figure), the slot openings of the plurality of slots are arranged on the support 300 in the circumferential direction of the arc surface 310, and the second locking structure 500 is a first sliding button 510 disposed on the base 100. The first sliding button 510 includes a first operating block 511 and a pin (not shown in the figure) connected to the first operating block 511. The pin is disposed opposite to the slot in the sliding direction of the first sliding button 510 so that the first sliding button 510 can slide until the pin is inserted into or disengaged from the slot.

[0055] By implementing this embodiment, the user can apply force to the first operating block 511, thereby causing the first sliding button 510 to slide, allowing the insert to be inserted into or disengaged from the slot. When the insert is inserted into the slot, the support 300 is locked; when the insert is disengaged from the slot, the support 300 is unlocked.

[0056] In embodiment four, the first locking structure 400 includes a plurality of slots (not shown in the figure), the slot openings of the plurality of slots are arranged on the base 100 in the circumferential direction of the arc surface 310, and the second locking structure 500 is a first sliding button 510 disposed on the support 300. The first sliding button 510 includes a first operating block 511 and a pin (not shown in the figure) connected to the first operating block 511. The pin is disposed opposite to the slot in the sliding direction of the first sliding button 510 so that the first sliding button 510 can slide until the pin is inserted into or disengaged from the slot.

[0057] By implementing this embodiment, the user can apply force to the first operating block 511, thereby causing the first sliding button 510 to slide, allowing the insert to be inserted into or disengaged from the slot. When the insert is inserted into the slot, the support 300 is locked; when the insert is disengaged from the slot, the support 300 is unlocked.

[0058] In some embodiments, in the direction of gravity (reference) Figure 1 In the Z direction, the projected area of ​​the base 100 is greater than the projected area of ​​the support 300. Compared with the embodiment where the projected area of ​​the base 100 is smaller than the projected area of ​​the support 300, implementing this embodiment can effectively increase the stability of the base 100 and prevent the mobile terminal support 1000 from tipping over.

[0059] refer to Figure 6 In some embodiments, the first operating block 511 has an arc-shaped recess 5111 on the side opposite to the snap-fit ​​block 512.

[0060] Specifically, the arc-shaped recess 5111 can increase the contact area between the first operating block 511 and the user's finger, thereby increasing the friction between the first operating block 511 and the user's finger, reducing the probability of the user's finger slipping on the first operating block 511, and improving the user experience.

[0061] refer to Figure 7 In some embodiments, a plurality of second positioning teeth 5121 are provided, and the plurality of second positioning teeth 5121 are arranged in the circumferential direction of the arc surface 310.

[0062] Specifically, compared to an implementation with only one second positioning tooth 5121, this embodiment increases the number of engagements between the second positioning tooth 5121 and the first positioning tooth 410. This allows more second positioning teeth 5121 and first positioning teeth 410 to share the clamping force, reducing the risk of breakage of the second positioning tooth 5121 and first positioning tooth 410 due to excessive force, and improving the clamping stability.

[0063] refer to Figure 5 and Figure 10 In some embodiments, the base 100 includes a base 110 and a mounting block 120. An adjustment assembly 200 is rotatably disposed on the base 110. The mounting block 120 is mounted on the top of the base 110 and together with the base 110 defines an opening 130. A support 300 passes through the opening 130 so that the support 300 is rotatably disposed on the base 100.

[0064] Specifically, there are many ways to install the mounting block 120 on the top of the base 110, such as plugging, gluing, screw connection, etc. This embodiment does not limit the method, as long as the mounting block can be installed on the top of the base 110.

[0065] refer to Figure 6 and Figure 10 In a specific embodiment, the mounting block 120 has a strip hole 121 on the side facing away from the base 110, the first operating block 511 passes through the strip hole 121, and the snap-fit ​​block 512 is located between the strip hole 121 and the support 300. The outline of the snap-fit ​​block 512 is larger than the outline of the strip hole 121.

[0066] Specifically, the first operating block 511 is inserted through the strip hole 121 so that the user can slide the first slider 510 using the first operating block 511. The locking block 512 is located between the strip hole 121 and the support 300, and the outline of the locking block 512 is larger than the outline of the strip hole 121, so as to prevent the first slider 510 from coming off the strip hole 121.

[0067] refer to Figure 3 and Figure 4 In some embodiments, the support 300 is provided with a mounting structure 320, which includes a first support plate 321 and a mounting plate 322. The first support plate 321 is disposed at one end of the support 300, and the mounting plate 322 is disposed at one end of the support 300 and spaced apart from the first support plate 321. This arrangement creates a space between the mounting plate 322 and the first support plate 321 that can accommodate a mobile terminal.

[0068] Specifically, when using the device, the user only needs to place one side of the mobile terminal into the storage space and place the other side on the other end of the support 300 to install the mobile terminal on the mobile terminal support 1000.

[0069] It is worth mentioning that when the friction is sufficient, even without the mounting structure 320, the mobile terminal can be placed stably on the mobile terminal support base 1000 simply by placing both sides of the mobile terminal on the two ends of the support base 300.

[0070] refer to Figure 3 In some embodiments, in order to increase the contact area and friction between the mobile terminal and the other end of the support 300, a second support plate 325 for contacting the mobile terminal can be provided at the other end of the support 300.

[0071] refer to Figure 8 and Figure 9 In some embodiments, the card plate 322 and the first support plate 321 are spaced apart, and the card plate 322 is slidably connected to the support 300. The mobile terminal support 1000 also includes a locking component 600, which is mounted on the support 300 and connected to the card plate 322. The locking component 600 is used to lock and unlock the card plate 322.

[0072] Specifically, if the distance between the card plate 322 and the first support plate 321 is fixed, the mobile terminal cannot be installed in the accommodating space if it is too thick, and it will be too loose if it is too thin. As a result, the installation structure can only be used for mobile terminals that are relatively well-matched to the width of the accommodating space, and its versatility is poor.

[0073] By implementing this embodiment, before installing the mobile terminal, the user can first adjust the distance between the card plate 322 and the first support plate 321, so that the card plate 322 is away from the first support plate 321. At this time, the width of the accommodating space increases, ensuring that the mobile terminal can be placed into the accommodating space. Then, one side of the mobile terminal is placed into the accommodating space, and the other side is placed on the second support plate 325. Finally, the distance between the card plate 322 and the first support plate 321 is adjusted so that the card plate 322 is close to the first support plate 321, until the card plate 322 and the first support plate 321 cooperate to clamp the mobile terminal, thus completing the adjustment.

[0074] It is worth mentioning that after adjustment, the locking component 600 can be used to lock the card plate 322 to prevent it from moving relative to the first support plate 321 due to external forces. When it is necessary to adjust the distance between the card plate 322 and the first support plate 321, the locking component 600 can be used to unlock the card plate 322, at which time the user can freely adjust the distance between the card plate 322 and the first support plate 321.

[0075] refer to Figure 8 and Figure 9 In a specific embodiment, the locking plate 322 is connected to an adjusting plate 323, which is slidably mounted on the support 300. The adjusting plate 323 has a plurality of third positioning teeth 3232, which are arranged in the interval direction between the locking plate 322 and the first support plate 321. The locking assembly 600 includes a second sliding button 610, which has a second operating block 611 exposed in the support 300, and a first direction ( Figure 9 The fourth positioning tooth 612 is arranged opposite to several third positioning teeth 3232 in the Y direction. The first direction is perpendicular to the spacing direction between the above-mentioned card plate 322 and the first support plate 321. The second sliding button 610 is slidably connected to one end of the support 300 in the first direction so that the fourth positioning tooth 612 can engage or disengage with the third positioning tooth 3232.

[0076] By implementing this embodiment, the card plate 322 can be locked by operating the second slide button 610 to engage the fourth positioning tooth 612 with the third positioning tooth 3232; the card plate 322 can be unlocked by operating the second slide button 610 to disengage the fourth positioning tooth 612 from the third positioning tooth 3232, thereby freely adjusting the width of the accommodating space.

[0077] refer to Figure 9 In a specific embodiment, the second slide button 610 is provided with a first compression spring 620 on the side opposite to the third positioning tooth 3232.

[0078] Specifically, when the second slider 610 is moved away from the third positioning tooth 3232, the fourth positioning tooth 612 will disengage from the third positioning tooth 3232. At this time, the first compression spring 620 will deform and store energy. Therefore, as long as the force applied to the second slider 610 is stopped, the first compression spring 620 can release energy to drive the second slider 610 to move towards the third positioning tooth 3232, so that the fourth positioning tooth 612 engages with the third positioning tooth 3232. Compared with the technical solution that requires manually driving the fourth positioning tooth 612 to engage with the third positioning tooth 3232, the technical solution provided in this embodiment is more convenient to operate and provides a better user experience.

[0079] Furthermore, since the first compression spring 620 always applies a force toward the third positioning tooth 3232 to the second slide button 610, the engagement stability between the fourth positioning tooth 612 and the third positioning tooth 3232 is relatively good, and it will not easily disengage due to external forces.

[0080] refer to Figure 8 and Figure 9In a specific embodiment, a second compression spring 324 is provided on the side of the adjusting plate 323 facing away from the locking plate 322. With this configuration, when the locking plate 322 moves towards the first support plate 321, the second compression spring 324 will deform and store energy. The user only needs to slide the second slider 610 to disengage the fourth positioning tooth 612 from the third positioning tooth 3232, and the second compression spring 324 will release energy to move the locking plate 322 away from the first support plate 321, thereby releasing the mobile terminal. Compared with the technical solution that requires manually moving the locking plate 322 away from the first support plate 321, the technical solution provided in this embodiment is more convenient to operate and provides a better user experience.

[0081] refer to Figure 3 In some embodiments, the second operation block 611 protrudes from the arc surface 310, which makes it easier for the user to operate the operation block.

[0082] refer to Figure 10 and Figure 11 In a specific embodiment, the base 100 is provided with a clearance groove 140 to avoid the operating block. The clearance groove 140 has a groove bottom 141, which is located on the rotation path of the operating block. With this configuration, when the user adjusts the support 300 to increase the pitch angle of the mobile terminal to a certain value, the second operating block 611 can abut against the groove bottom 141 of the clearance groove 140 to limit the travel of the support 300.

[0083] refer to Figure 4 and Figure 5 In a specific embodiment, the support 300 includes an inner wall surface 330 disposed opposite to the arc surface 310. The inner wall surface 330 is provided with a protrusion 331, which is located on the side of the inner wall surface 330 away from the card plate 322. The base 100 also includes a stop wall 122 adjacent to the opening 130. The protrusion 331 is used to abut against the stop wall 122 to limit the stroke of the support 300.

[0084] refer to Figure 3 and Figure 5 In some embodiments, the base 100 is provided with a first connecting ear 150, and the adjusting component 200 passes through the first connecting ear 150 and is rotatably connected to the first connecting ear 150. The adjusting component 200 includes a knob 220 and a toothed post 230 provided with a plurality of second meshing teeth 311. The knob 220 is connected to the toothed post 230, and the first connecting ear 150 is clamped between the knob 220 and the toothed post 230. With this configuration, the user can use the knob 220 to drive the toothed post 230 to rotate, which is more convenient for the user to operate compared to a technical solution that only has the toothed post 230 and does not have the knob 220.

[0085] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.

Claims

1. A mobile terminal support base, characterized in that, include: Base; An adjustment assembly, rotatably mounted on the base, the adjustment assembly including a plurality of first meshing teeth arranged around its rotation center line; The support includes an arc surface, on which a plurality of second meshing teeth are provided. The plurality of second meshing teeth are arranged in the circumferential direction of the arc surface. The support is rotatably mounted on the base. The first meshing teeth mesh with the second meshing teeth, so that when the adjusting component is subjected to force and rotates, it can drive the support to rotate. The support is used to support the mobile terminal; A first locking structure is provided on one of the base and the support; A second locking structure is slidably disposed on one of the base and the support, and the second locking structure can slide to engage or disengage with the first locking structure to lock or unlock the support.

2. The mobile terminal support base according to claim 1, characterized in that, The first locking structure includes a plurality of first positioning teeth, which are disposed on the side of the support opposite to the second engaging teeth, and are arranged in the circumferential direction of the arc surface; the second locking structure is a first sliding button disposed on the base, which includes a first operating block and a locking block connected to the first operating block, and the locking block is provided with a second positioning tooth, which is disposed opposite to the first positioning tooth in the sliding direction of the first sliding button, so that the first sliding button can slide until the second positioning tooth engages or disengages from the first positioning tooth.

3. The mobile terminal support base according to claim 2, characterized in that, The first operating block has an arc-shaped recess on the side facing away from the snap-fit ​​block.

4. The mobile terminal support base according to claim 2, characterized in that, The base includes: The base on which the adjustment assembly is rotatably mounted; An mounting block is installed on the top of the base and together with the base defines an opening, through which the support passes so that the support is rotatably mounted on the base.

5. The mobile terminal support base according to claim 4, characterized in that, The mounting block has a strip-shaped hole on the side facing away from the base. The first operating block passes through the strip-shaped hole. The snap-fit ​​block is located between the strip-shaped hole and the support. The outline of the snap-fit ​​block is larger than the outline of the strip-shaped hole.

6. The mobile terminal support base according to any one of claims 1-5, characterized in that, In the direction of gravity, the projected area of ​​the base is larger than the projected area of ​​the support.

7. The mobile terminal support base according to any one of claims 1-5, characterized in that, The support is provided with a locking structure, the locking structure including: A first support plate is disposed at one end of the support; A card plate is disposed at one end of the support and spaced apart from the first support plate.

8. The mobile terminal support base according to claim 7, characterized in that, In the interval direction between the card plate and the first support plate, the card plate is slidably connected to the support. The mobile terminal support also includes a locking component, which is installed on the support and connected to the card plate. The locking component is used to lock and unlock the card plate.

9. The mobile terminal support base according to claim 8, characterized in that, The locking plate is connected to an adjusting plate, which is slidably mounted on the support. The adjusting plate is provided with a plurality of third positioning teeth, which are arranged in the interval direction. The locking component includes a second sliding button, which has a second operating block exposed on the support and a fourth positioning tooth disposed opposite to the plurality of third positioning teeth in a first direction, which is perpendicular to the interval direction. The second sliding button is slidably connected to one end of the support in the first direction so that the fourth positioning tooth can engage or disengage with the third positioning tooth.

10. The mobile terminal support base according to claim 9, characterized in that, The operating block protrudes from the arc surface, and the base is provided with a clearance groove to avoid the operating block. The clearance groove has a bottom, which is located on the rotation path of the operating block to limit the stroke of the support.

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