CN112532776A

CN112532776A - Electronic equipment support

Info

Publication number: CN112532776A
Application number: CN202011453203.8A
Authority: CN
Inventors: 杨星华
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-03-19

Abstract

The invention provides an electronic equipment bracket which comprises a first shell and a second shell, wherein the second shell can rotate around a rotation center relative to the first shell, and a clamping assembly for fixing electronic equipment is arranged on the second shell; the first shell and the second shell are mutually matched through an arc-shaped sliding groove and a sliding piece, and when the second shell rotates around the rotation center relative to the first shell, the sliding piece slides in the arc-shaped sliding groove; the second shell of the electronic equipment support can rotate around a rotation center relative to the first shell, and the arc-shaped sliding groove and the sliding piece which are matched with each other are arranged between the first shell and the second shell, so that after electronic equipment such as a mobile phone is fixed, the mobile phone can be adjusted to be in a transverse or vertical state only by rotating the second shell, direction adjustment can be realized without re-assembling and disassembling the mobile phone, different use requirements of people in different occasions are met, the electronic equipment support is practical in function, and is suitable for wide popularization and application.

Description

Electronic equipment support

Technical Field

The invention relates to the field of electronic equipment accessories, in particular to an electronic equipment support.

Background

With the increase of the number of electronic devices such as mobile phones, people often use the electronic devices after fixing the electronic devices through electronic device brackets in order to liberate both hands and conveniently use the electronic devices.

However, the conventional electronic device holder cannot directly adjust the orientation of the electronic device after the electronic device such as a mobile phone is fixed. For example, the vertical state of the mobile phone cannot be directly adjusted to the horizontal state after being fixed by the electronic device support, and the mobile phone needs to be detached from the electronic device support and adjusted to the horizontal state before being fixed. In some occasions, the use is very inconvenient, for example, when people wash vegetables, the hands are wet and slippery, and when the mobile phone is disassembled and assembled, the mobile phone is easy to slip off, so that the mobile phone is damaged.

Disclosure of Invention

The technical problem to be solved by the embodiments of the present invention is to provide an electronic device support, which can adjust the orientation of an electronic device after the electronic device is fixed without being disassembled and assembled again, and is convenient for people to use.

In order to solve the above technical problem, an embodiment of the present invention first provides the following technical solutions: an electronic equipment support comprises a first shell and a second shell, wherein the second shell can rotate around a rotation center relative to the first shell, and a clamping assembly used for fixing electronic equipment is arranged on the second shell; the first shell and the second shell are matched with each other through an arc-shaped sliding groove and a sliding piece, and when the second shell rotates around the rotating center relative to the first shell, the sliding piece slides in the arc-shaped sliding groove.

In an embodiment, the arc-shaped sliding groove is disposed on the first housing, the arc-shaped sliding groove includes a first end portion and a second end portion, one end of the sliding member is located in the arc-shaped sliding groove, the sliding member is slidable between the first end portion and the second end portion, and the other end of the sliding member is connected to the second housing.

In one embodiment, the arc chute includes a first sidewall near the rotation center, and the first sidewall has a gradually increasing distance from the rotation center in a direction extending from the first end to the second end.

In an embodiment, the arc chute further comprises a middle section located between the first end and the second end, and the middle section gradually decreases in depth relative to the first housing recess in a direction extending from the first end to the second end.

In an embodiment, the sliding member includes a first sliding block and a second sliding block, the first sliding block is disposed in the arc-shaped sliding groove and is provided with a first inclined surface, the second sliding block is connected in the notch of the second housing, and the second sliding block is provided with a first inclined groove which accommodates the first sliding block and is in inclined fit with the first inclined surface.

In an embodiment, one end of the second end portion, which is far away from the first end portion, extends to form a fixing groove, and the second end portion and the fixing groove jointly form a shape like a Chinese character 'tu', and the fixing groove is used for being mutually clamped and matched with the second sliding block.

In one embodiment, the clamping assembly comprises a first clamping arm, and a second clamping arm and a third clamping arm which are arranged oppositely, and the first clamping arm can drive the second clamping arm and the third clamping arm to approach each other or to move away from each other; the first clamping arm is provided with a first rack, the second sliding block is provided with a second rack which can be meshed with the first rack, a first return spring is arranged between the second sliding block and the second shell and used for extruding the second sliding block, so that the second rack is separated from the first rack, and the first sliding block can push the second sliding block to enable the first rack to be meshed with the second rack when the sliding piece slides to the second end part from the first end part in the arc-shaped sliding groove.

In one embodiment, the second clamping arm and the first clamping arm are matched with each other through a first sliding groove part and a first sliding part; the third clamping arm and the first clamping arm are matched with each other through a second sliding groove part and a second sliding part; the first clamping arm is provided with a containing groove extending along the movement direction of the first clamping arm, a second reset spring is arranged in the containing groove, one end of the second reset spring is fixedly connected with the containing groove, and the other end of the second reset spring is fixedly connected with the second shell.

In an embodiment, the second casing orientation the surperficial middle part of first casing is equipped with the carousel, the carousel is equipped with accepts the chamber, it is equipped with spacing recess on the inside wall in chamber to accept, first casing orientation the surperficial middle part of second casing is equipped with the rotation round platform, be equipped with spacing boss on the lateral wall of rotation round platform, the rotation round platform accept in accept the intracavity just spacing boss with the cooperation is held to spacing recess card, thereby makes the carousel with the rotation round platform rotates to be connected.

In one embodiment, a circular positioning groove is concavely arranged in the middle of the surface of the second shell facing the first shell, an eccentric positioning hole is arranged at the bottom of the circular positioning groove, and the rotary table is accommodated in the circular positioning groove and provided with a positioning column which is fixedly inserted into the eccentric positioning hole; or the surface of the first shell, which faces away from the second shell, is provided with a plurality of elastic clamping jaws, and an accommodating space is formed among the elastic clamping jaws.

The invention provides an electronic equipment bracket which comprises a first shell and a second shell, wherein the second shell can rotate around a rotation center relative to the first shell, and a clamping assembly for fixing electronic equipment is arranged on the second shell; the first shell and the second shell are matched with each other through an arc-shaped sliding groove and a sliding piece, and when the second shell rotates around the rotating center relative to the first shell, the sliding piece slides in the arc-shaped sliding groove. The second shell of the electronic equipment support can rotate around a rotation center relative to the first shell, and the arc-shaped sliding groove and the sliding piece which are matched with each other are arranged between the first shell and the second shell, so that after electronic equipment such as a mobile phone is fixed, the mobile phone can be adjusted to be in a transverse or vertical state only by rotating the second shell, direction adjustment can be realized without re-assembling and disassembling the mobile phone, different use requirements of people in different occasions are met, the electronic equipment support is practical in function, and is suitable for wide popularization and application.

Drawings

FIG. 1 is a schematic perspective view of an electronic device stand according to an embodiment of the invention;

FIG. 2 is a disassembled schematic view of the electronic equipment stand of FIG. 1;

FIG. 3 is a further exploded view of the electronic equipment stand of FIG. 2;

FIG. 4 is a disassembled schematic view of another angle of the electronic equipment stand of FIG. 1;

FIG. 5 is a perspective view of a first housing of the electronic device stand of FIG. 1;

FIG. 6 is a front schematic view of a first housing of the electronic equipment stand of FIG. 1;

FIG. 7 is a disassembled schematic view of a first angle of a sliding member of the electronic device stand of FIG. 1;

fig. 8 is a second angle exploded view of the sliding member of the electronic device stand of fig. 1.

The reference numerals in the figures are illustrated as follows:

1. a first housing; 11. a turntable; 111. a limiting groove; 112. a positioning column; 113. an accommodating cavity; 12. rotating the circular truncated cone; 121. a limiting boss; 13. an arc-shaped chute; 131. a first end portion; 132. a second end portion; 133. a first side wall; 134. a middle section; 135. fixing grooves; 14. a center of rotation; 15. an elastic claw;

2. a second housing; 21. a clamping assembly; 211. a first clamp arm; 2111. a first clamping end; 2112. a first connection end; 2113. a first slide groove portion; 2114. a second slide groove portion; 2115. accommodating grooves; 2116. a second return spring; 2117. a first rack; 212. a second clamp arm; 2121. a second clamping end; 2122. a second connection end; 2123. a first sliding section; 213. a third clamp arm; 2131. a third clamping end; 2132. a third connection end; 2133. a second sliding section; 22. a circular positioning groove; 221. eccentric positioning holes; 23. a front housing; 24. a rear housing; 25. a notch;

3. a slider; 31. a first slider; 32. a second slider; 321. a second rack; 33. a first return spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Certain terms are used herein to refer to particular components, and it should be understood by those skilled in the art that the present specification and claims do not distinguish between components by virtue of differences in name, but rather by virtue of differences in function of components. It should be noted that when an element is described as being "provided with" or "disposed on" another element, etc., it can mean that the element is directly provided or disposed on the other element or intervening elements may also be present. When an element is described as being "connected" to another element, etc., it can be directly connected or connected through intervening elements. When an element is referred to as being "on" another element, it does not mean that the element is necessarily on top of or above the other element, or in other locations.

Referring to fig. 1 to 8, an embodiment of the invention provides an electronic device holder, generally used for fixing a mobile phone, including a first housing 1 and a second housing 2 in a disc shape, where the first housing 1 is rotatable around a rotation center 14 relative to the second housing 2, a clamping component 21 for fixing an electronic device is disposed on the second housing 2, the first housing 1 and the second housing 2 are matched with each other through an arc-shaped sliding slot 13 and a sliding member 3, and when the second housing 2 rotates around the rotation center 14 relative to the first housing 1, the sliding member 3 slides in the arc-shaped sliding slot 13. Specifically, when the mobile phone is vertically placed and fixed on the electronic device support by the clamping assembly 21, after the second housing 2 is rotated by 90 degrees around the rotation center 14 relative to the first housing 1, the sliding member 3 is rotated by 90 degrees around the rotation center 14 in the arc-shaped sliding groove 13, so that the second housing 2 is fixed relative to the first housing 1, and at this time, the mobile phone is horizontally placed on the electronic device support. In other embodiments, when the mobile phone is placed horizontally and fixed on the electronic device support by the clamping assembly 21, after the second housing 2 is rotated by 90 degrees around the rotation center 14 relative to the first housing 1, the sliding member 3 is rotated by 90 degrees around the rotation center 14 corresponding to the inside of the arc-shaped sliding groove 13, so that the second housing 2 is fixed relative to the first housing 1, and at this time, the mobile phone is placed vertically on the electronic device support. In the invention, the transverse and vertical states of the mobile phone can be adjusted by changing the position of the second shell 2 relative to the first shell 1 without dismounting the mobile phone from the electronic equipment support, so that different requirements of people in different occasions are met, and the adjustment is convenient.

In this embodiment, the arc chute 13 is disposed on the first housing 1, the arc chute 13 includes a first end 131 and a second end 132, one end of the sliding member 3 is located in the arc chute 13, the sliding member 3 can slide between the first end 131 and the second end 132, and the other end of the sliding member 3 is connected to the second housing 2. Specifically, after the second housing 2 rotates around the rotation center 14 by a certain angle relative to the first housing 1, the sliding member 3 moves from the first end 131 to the second end 132. In other embodiments, the arc-shaped sliding groove 13 is disposed on the second housing 2, one end of the sliding member 3 is located in the arc-shaped sliding groove 13, the other end of the sliding member 3 is connected to the second housing 2, and the arc-shaped sliding groove 13 and the sliding member 3 which are mutually matched are disposed between the first housing 1 and the second housing 2, so that the second housing 2 operates stably in a rotating process relative to the first housing 1, and the positioning can be achieved after the second housing 2 rotates by a certain angle.

Specifically, the arc chute 13 further includes a first sidewall 133 close to the rotation center 14, and the first sidewall 133 is gradually spaced from the rotation center 14 in a direction extending from the first end 131 to the second end 132. Accordingly, during the movement of the slider 3 from the first end portion 131 to the second end portion 132, the distance between the slider 3 and the rotation center 14 gradually increases.

Further, the arc chute 13 further comprises a middle section 134 located between the first end 131 and the second end 132, and the depth of the middle section 134 recessed from the first end 131 to the second end 132 is gradually reduced relative to the first housing 1. Accordingly, the slider 3 gradually moves upward relative to the first housing 1 during the movement from the first end 131 to the second end 132.

The sliding member 3 includes a first sliding block 31 and a second sliding block 32, the first sliding block 31 is disposed in the arc sliding groove 13, the first sliding block 31 is provided with a first inclined surface 311, the second sliding block 32 is connected in the notch 25 of the second housing 2, and the second sliding block 32 is provided with a first inclined groove 322 which accommodates the first sliding block 31 and is in inclined fit with the first inclined surface 311. Specifically, in the process that the sliding member 3 moves from the first end portion 131 to the second end portion 132, the sliding member 3 gradually moves upward relative to the first housing 1, and the first inclined surface 311 and the first inclined groove 322 are obliquely engaged, so that the first sliding block 31 pushes the second sliding block 32 to move.

In this embodiment, the end of the second end portion 132 away from the first end portion 131 extends to form a fixing groove 135, the second end portion 132 and the fixing groove 135 form a "convex" shape, and the fixing groove 135 is used for being mutually clamped and matched with the first slider 31. Specifically, in the process that the second housing 2 is fixed after rotating around the rotation center 14 by a certain angle relative to the first housing 1, the sliding member 3 slides in the arc-shaped sliding groove 13, and when the second housing 2 is positioned after sliding, the first sliding block 31 is clamped in the fixing groove 135.

In this embodiment, the clamping assembly 21 includes a first clamping arm 211, and a second clamping arm 212 and a third clamping arm 213 disposed opposite to each other, and the first clamping arm 211 can drive the second clamping arm 212 and the third clamping arm 213 to approach each other or to move away from each other; the first clamping arm 211 is provided with a first rack 2117, the second slider 32 is provided with a second rack 321 which can be meshed with the first rack 2117, a first return spring 33 is arranged between the second slider 32 and the second housing 2, the first return spring 33 is used for extruding the second slider 32, so that the second rack 321 is separated from the first rack 2117, and when the slider 3 slides from the first end 131 to the second end 132 in the arc-shaped sliding groove 13, the first slider 31 can push the second slider 32 to move, so that the first rack 2117 is meshed with the second rack 321. Specifically, during the movement of the slider 3 from the first end 131 to the second end 132, gradually moving upward relative to the first housing 1 causes the first slider 31 to move upward relative to the first housing 1, and the first inclined surface 311 and the first inclined groove 322 cooperate to incline, so that the second slider 32 is pushed by the first slider 31 to move toward the first rack 2117 due to the upward movement of the first slider 31, and the second rack 321 of the second slider 32 is engaged with the first rack 2117; after the engagement, the second housing 2 continues to rotate, the sliding element 3 continues to move until the first sliding block 31 is clamped in the fixing groove 135, because the sliding element 3 gradually moves away from the rotation center 14, the second sliding block 32 drives the first clamping arm 211 to move in a direction away from the second housing 2, and the force for clamping the electronic device is further increased, at this time, the electronic device generates a reverse acting force, so that the sliding element 3 generates an acting force towards the rotation center 14, thereby fixing the relative positions of the first housing 1 and the second housing 2, and under the action of no external force, the electronic device is fixed in a state after rotation.

Specifically, the first clamping arm 211 includes a first connecting end 2112 located in the second housing 2 and a first clamping end 2111 extending out of the second housing 2, the second clamping arm 212 includes a second connecting end 2122 located in the second housing 2 and a second clamping end 2121 extending out of the second housing 2, the third clamping arm 213 includes a third connecting end 2132 located in the second housing 2 and a third clamping end 2131 extending out of the second housing 2, a first sliding slot portion 2113 and a first sliding portion 2123 which are matched with each other are disposed between the second connecting end 2122 and the first connecting end 2112, and a second sliding slot portion 2114 and a second sliding portion 2133 which are matched with each other are disposed between the third connecting end 2132 and the first connecting end 2112. The first sliding groove portion 2113 and the second sliding groove portion 2114 are provided on the opposite surfaces of the first clamp arm 211 and the length extending directions of the two intersect; the first clamping arm 211 is provided with a receiving slot 2115 formed by extending along the moving direction of the first clamping arm 211, a second return spring 2116 is arranged in the receiving slot 2115, one end of the second return spring 2116 is fixedly connected with the receiving slot 2115, and the other end is fixedly connected with the second housing 2. Specifically, when the electronic device is placed on the electronic device holder, under the action of the self gravity of the electronic device, the first clamping end 2111 moves in a direction away from the second housing 2, the first connecting end 2112 drives the second connecting end 2122 and the third connecting end 2132 to move in an opposite direction, and the first clamping end 2111, the second clamping end 2121 and the third clamping end 2131 jointly act to clamp the electronic device; when the electronic device is taken away from the electronic device holder, the second return spring 2116 pulls the first clamping end 2111 to move toward a direction close to the second housing 2, the first connecting end 2112 drives the second connecting end 2122 and the third connecting end 2132 to move away from each other, and at this time, the electronic device holder is in an open state.

In this embodiment, the second housing 2 is provided with the rotary table 11 in the middle of the surface facing the first housing 1, the rotary table 11 is provided with an accommodating cavity 113, an inner side wall of the accommodating cavity 113 is provided with a limiting groove 111, the first housing 1 is provided with the rotary table 12 in the middle of the surface facing the second housing 2, an outer side wall of the rotary table 12 is provided with a limiting boss 121, the rotary table 12 is accommodated in the accommodating cavity 113, and the limiting boss 121 is clamped and matched with the limiting groove 111, so that the rotary table 11 is rotatably connected with the rotary table 12, that is, the second housing 2 is rotatably connected with the first housing 1 through the rotary table 11 and the rotary table. Specifically, the second housing 2 is fixedly connected to the rotary table 11, and when the second housing 2 rotates relative to the first housing 1, the rotary table 11 rotates relative to the rotary circular table 12. In this embodiment, the rotating disc 11 is composed of two semicircular shapes, and in other embodiments, the rotating disc 11 may have other shapes as long as it is convenient to install and can realize the rotating connection. The rotary table 11 can also be arranged in the middle of the surface of the first housing 1 facing the second housing 2, the middle of the surface of the second housing 2 facing the first housing 1 is provided with a rotary circular table 12, the rotary table 11 is fixedly connected with the first housing 1, and the rotary circular table 12 is rotatably connected with the rotary table 11.

Specifically, the second casing 2 is concavely provided with a circular positioning groove 22 facing the middle part of the surface of the first casing 1, the bottom of the circular positioning groove 22 is provided with an eccentric positioning hole 221, and the turntable 11 is accommodated in the circular positioning groove 22 and is provided with a positioning column 112 inserted and fixed with the eccentric positioning hole 221; specifically, a plurality of eccentric positioning holes 221 and positioning pillars 112 are respectively provided, so that the connection between the rotary table 11 and the second housing 2 is more stable.

Further, the surface of the first housing 1 facing away from the second housing 2 is provided with a plurality of elastic clamping jaws 15, and a receiving space is formed between the plurality of elastic clamping jaws 15. The elastic claws 15 can be connected with a clip with a universal ball head so that the electronic device is fixed at different positions (such as an air outlet of an automobile) through the clip.

In one embodiment, the second housing 2 includes a front shell 23 and a rear shell 24 fixedly connected by a pin, the clamping assembly 21 is disposed between the front shell 23 and the rear shell 24, the rotary plate 11 is disposed on a surface of the rear shell 24 facing the first housing 1, and the rear shell 24 is rotatably connected with the first housing 1 by the rotary plate 11.

In summary, the electronic device holder of the present invention includes a first housing 1 and a second housing 2, the second housing 2 can rotate around a rotation center 14 relative to the first housing 1, a clamping assembly 21 for fixing the electronic device is disposed on the second housing 2, the first housing 1 and the second housing 2 are matched with each other through an arc-shaped sliding slot 13 and a sliding member 3, when the second housing 2 rotates around the rotation center 14 relative to the first housing 1, the sliding member 3 slides in the arc-shaped sliding slot 13, and after the electronic device such as a mobile phone is fixed by the clamping assembly 21, the second housing 2 rotates 90 degrees relative to the first housing 1, so that the mobile phone is fixed by the electronic device holder and then does not need to be disassembled and assembled again, and adjustment between a horizontal state and a vertical state can be achieved, thereby satisfying different use requirements of people in different occasions. The multifunctional electric heating cooker is exquisite in structure, practical in function, convenient to use for people and suitable for wide popularization and application.

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

Claims

1. An electronic device stand, comprising: the electronic equipment fixing device comprises a first shell (1) and a second shell (2), wherein the second shell (2) can rotate around a rotation center (14) relative to the first shell (1), and a clamping assembly (21) for fixing electronic equipment is arranged on the second shell (2); the first shell (1) and the second shell (2) are matched with each other through an arc-shaped sliding groove (13) and a sliding piece (3), and when the second shell (2) rotates around the rotating center (14) relative to the first shell (1), the sliding piece (3) slides in the arc-shaped sliding groove (13).

2. The electronic device stand of claim 1, wherein: arc spout (13) are located on first casing (1), arc spout (13) include first end (131) and second end (132), the one end of slider (3) is located in arc spout (13), just slider (3) can be in first end (131) with slide between second end (132), the other end of slider (3) with second casing (2) are connected.

3. The electronic device stand of claim 2, wherein: the arc chute (13) comprises a first side wall (133) close to the rotation center (14), and the distance between the first side wall (133) and the rotation center (14) is gradually increased in the direction extending from the first end part (131) to the second end part (132).

4. The electronic device stand of claim 2 or 3, wherein: the arc chute (13) further comprises a middle section (134) located between the first end portion (131) and the second end portion (132), and the depth of the middle section (134) relative to the recess of the first shell (1) is gradually reduced in the direction in which the middle section (134) extends from the first end portion (131) to the second end portion (132).

5. The electronic device stand of claim 4, wherein: the sliding piece (3) comprises a first sliding block (31) and a second sliding block (32), the first sliding block (31) is arranged in the arc-shaped sliding groove (13) and is provided with a first inclined surface (311), the second sliding block (32) is connected in a notch (25) of the second shell (2), and the second sliding block (32) is provided with a first inclined groove (322) which contains the first sliding block (31) and is in inclined fit with the first inclined surface (311).

6. The electronic device stand of claim 5, wherein: one end, far away from the first end portion (131), of the second end portion (132) extends to form a fixing groove (135), the second end portion (132) and the fixing groove (135) jointly form a convex shape, and the fixing groove (135) is used for being mutually clamped and matched with the first sliding block (31).

7. The electronic device stand of claim 5, wherein: the clamping assembly (21) comprises a first clamping arm (211), a second clamping arm (212) and a third clamping arm (213) which are arranged oppositely, and the first clamping arm (211) can drive the second clamping arm (212) and the third clamping arm (213) to approach to each other or to move away from each other; the first clamping arm (211) is provided with a first rack (2117), the second sliding block (32) is provided with a second rack (321) capable of being meshed with the first rack (2117), a first return spring (33) is arranged between the second sliding block (32) and the second shell (2), the first return spring (33) is used for extruding the second sliding block (32) to enable the second rack (321) to be separated from the first rack (2117), and when the sliding piece (2) slides from the first end portion (131) to the second end portion (132) in the arc-shaped sliding groove (13), the first sliding block (31) can push the second sliding block (32) to enable the first rack (2117) to be meshed with the second rack (321).

8. The electronic device stand of claim 7, wherein: the second clamping arm (212) and the first clamping arm (211) are matched with each other through a first sliding groove part (2113) and a first sliding part (2123); the third clamping arm (213) and the first clamping arm (211) are matched with each other through a second sliding groove part (2114) and a second sliding part (2133); be equipped with on first arm lock (211) along receiving groove (2115) that the direction of motion of first arm lock (211) extends the formation, be equipped with second reset spring (2116) in receiving groove (2115), second reset spring (2116) one end with receiving groove (2115) fixed connection, the other end with second casing (2) fixed connection.

9. The electronic device stand of claim 1, wherein: second casing (2) orientation the surface middle part of first casing (1) is equipped with carousel (11), carousel (11) are equipped with accepts chamber (113), be equipped with spacing recess (111) on the inside wall of accepting chamber (113), first casing (1) orientation the surface middle part of second casing (2) is equipped with rotates round platform (12), be equipped with spacing boss (121) on the lateral wall of rotation round platform (12), rotate round platform (12) accept in chamber (113) just spacing boss (121) with spacing recess (111) card is held the cooperation, thereby makes carousel (11) with it connects to rotate round platform (12) rotation.

10. The electronic device stand of claim 9, wherein: a circular positioning groove (22) is concavely arranged in the middle of the surface, facing the first shell (1), of the second shell (2), an eccentric positioning hole (221) is formed in the bottom of the circular positioning groove (22), and the rotary table (11) is accommodated in the circular positioning groove (22) and is provided with a positioning column (112) which is fixedly inserted with the eccentric positioning hole (221); or the surface of the first shell (1) back to the second shell (2) is provided with a plurality of elastic clamping jaws (15), and an accommodating space is formed among the elastic clamping jaws (15).