CN101000804A - Hands-free seat device that can be adjusted and positioned arbitrarily in all directions - Google Patents

Abstract

A kind of all-round free-hand seat device that can be adjusted and positioned arbitrarily, it is applied to the portable electronic device and exempts from to hold the shelf-mounted and three axial angle, the free-hand seat device that the position can be all-round adjusted and controlled arbitrarily, including: a suction cup; a fixing mechanism for connecting and rotationally controlling the suction action of the suction disc; the first rotating mechanism is arranged on the fixing mechanism to generate 360-degree regulation of a first axial direction, the arm frame is provided with a second rotating mechanism at one end and connected with the first rotating mechanism to generate 90-degree direction regulation of a second axial direction in the first axial direction, the other end of the arm frame is provided with a third rotating mechanism to avoid holding an electronic device, and the 360-degree direction regulation of a third axial direction is generated to form a three-axial omnibearing angle and position regulation and positioning hands-free seat structure, so that the electronic device can be simply held and regulated in an optimal viewing and reading state of a person through the hands-free seat device.

Description

Hands-free seat device that can be adjusted and positioned arbitrarily in all directions

technical field

The invention relates to a hands-free seat device that can be adjusted and positioned arbitrarily in all directions, especially a hands-free seat device with three-dimensional three-axis angles and positions that can be adjusted and positioned arbitrarily. Addressing and other issues, in order to respond to various types of portable electronic devices easy to operate and mount, and the best applicable angle, position control rotatable hands-free seat device and its positioning device.

Background technique

Known, currently used electronic devices, such as personal digital assistants (PDA), mobile communication devices, including mobile phones and smart phones, global positioning systems (GPS) and multimedia playback devices, including DVD, VCD, LCD screens, etc. The use in the car is mounted on the set position in the car through the fixing bracket, and the appropriate angle and position are adjusted through the design of the hands-free fixing bracket for hands-free use, so it has a good hands-free fixing The frame and its steering positioning structure will improve the use efficiency of the electronic device.

For example, Taiwan Patent Publication No. M275443 "Multi-functional Fixed Frame Structure" utility model patent, the key point of this patent is that the base body uses the combination of the circular tooth part and the circular tooth part of the shaft to produce two tooth parts The first axial rotation between them is assembled by the gear at the bottom of the base corresponding to the suction cup to generate the second axial rotation; however, the tooth combination structure is limited by the tooth pitch and cannot provide a full-angle rotation position.

In addition, Taiwan Patent Publication No. M255819 "Improved Structure of Vehicle Fixed Frame" new patent, the focus of this patent appeal is to set a support rod between the seat body and the suction cup, so as to use the bending of the support rod to adjust Different operating angles are used. However, using a flexible rod to adjust the angle has a high degree of optionality in angle and position, but it is relatively limited by its length and flexibility, and it cannot provide a full range of angles. Position adjustment, especially in positioning, is also easily affected by the reaction force of flexible bending to affect the accuracy of its positioning.

Also, Taiwan Patent Publication No. 487259 "Mobile Phone Fixing Stand" new patent, the focus of this patent is to use a spherical rotating seat to correspond to the bowl groove on the top of the fixing seat between the fixing seat and the base of the bracket , to produce multi-directional rotation; but, the rotation of the spherical surface and the bowl can only be performed in a small angle of multi-directional rotation limited by its hemispherical surface, and it is still impossible to carry out all-round rotation adjustment and positioning.

Contents of the invention

The main purpose of the present invention is to solve the lack of the above-mentioned traditional hands-free fixing frame, and provide a hands-free seat device that can be adjusted and positioned arbitrarily in all directions. With a simple structure design, it can form a three-axis three-dimensional angle and position immediately after adjustment. The addressing structure, for the hands-free seat device of electronic devices, has the ability to improve the axial and angular adjustment restrictions and immediate addressing, so as to provide users with easier operation and a practical hands-free seat device that can be adjusted and positioned arbitrarily in all directions.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A hands-free seat device that can be adjusted and positioned arbitrarily in all directions, comprising:

a suction cup, on which a threaded shaft is arranged;

A fixing mechanism, which is connected with the above-mentioned suction cup and rotates to control its suction action;

A first rotation mechanism, set on the above-mentioned fixing mechanism, to form the first axial regulation;

an arm frame, one end of which is pivotally connected to the first swivel mechanism;

A second swivel mechanism, arranged at one end of the above-mentioned boom to be pivotally connected to the first swivel mechanism, to form a second axial regulation on the first axial direction;

A third swivel mechanism is provided at the other end of the above-mentioned arm frame for mounting the electronic device without holding the frame to form a third axial control, so as to form a positioning structure that can control the angle and position of the three axes in all directions.

The above-mentioned hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the fixing mechanism includes:

a base;

a main gear disposed on the base and a plurality of planetary gears meshing with the main gear; and,

A rotary control ring, which is provided with inner peripheral teeth and can be meshed with the above-mentioned planetary gears;

The rotating operation of the above-mentioned rotary control ring is caused by the inner peripheral teeth driving the suction cup through the main gear of the planetary gear transmission to press out the air between the disk surface and the adsorption plane for adsorption and positioning.

In the hands-free seat device that can be adjusted and positioned arbitrarily in all directions, a hole is provided in the center of the end surface of the base, through which the shaft rod of the suction cup can penetrate and connect, and a plurality of shaft posts and locking rods are arranged around the hole.

The above-mentioned hands-free seat device that can be adjusted and positioned arbitrarily in all directions is characterized in that the outer peripheral transmission gear of the main gear and its hole have internal threads, and are arranged in the hole in the center of the base to be screwed with the shaft of the suction cup Transmission to produce stroke action.

In the hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the first rotation mechanism includes:

A first fixing component, which is combined with the base of the above-mentioned fixing mechanism, is provided with a plurality of first positioning female parts and a central shaft body on the end surface of the main body;

A first movable component, which is combined with the above-mentioned first fixed component in a movable and rotatable form, with at least one locking block on one end surface, and a first positioning male part on the other end surface;

An upper cover, which is combined with the above-mentioned first movable component to form a synchronous rotation, is provided with a concave notch on the upper cover body, and forms the second fixed component of the above-mentioned second swivel mechanism in the notch to pivot Connect the above boom;

The above-mentioned upper cover and the first movable component are formed synchronously on the first fixed component to form a 360-degree azimuth rotation in the first axis and the horizontal axis, and at the selected position, the first positioning male part and the first positioning female part One is combined with positioning.

In the hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the first positioning female part is formed by one of a concave part and a hole; the first positioning male part is formed by one of at least one convex point and a protruding part.

In the hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the second rotation mechanism includes:

For the second fixing component, two corresponding groove walls in the groove of the above-mentioned upper cover are symmetrically provided with a plurality of second positioning female parts and at least one shaft groove, and the shaft groove can be combined with the above-mentioned clamping block to close the groove opening;

The second movable component has discs arranged at two intervals. The end face of the disc is provided with at least one through hole which is symmetrical to the position of the at least one second positioning female part, and a shaft is assembled in the shaft groove to generate the second axial direction. And the 90-degree position control of the vertical axis;

At least two second positioning male parts, the end faces of which are provided with at least one pin rod corresponding to the through holes in the end faces of the above-mentioned discs, and are combined in a penetrating form;

An elastic component, which is pushed against the space between the above two second positioning public parts;

The above-mentioned two second positioning male parts cooperate with the elastic components to be embedded between the above-mentioned two discs. When the angle is adjusted arbitrarily, the pin rods are used to make the corresponding second positioning female parts produce telescopic movement jumps, and after the angle is adjusted by The elastic force causes the pin rod to pass through the hole and at least one of the second positioning female parts to be pinned and positioned.

In the above-mentioned hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the two second positioning male parts are combined in a corresponding form of parallel grouping and nesting.

In the hands-free seat device that can be adjusted and positioned arbitrarily in all directions, the third rotation mechanism includes:

A third fixed component, and the above-mentioned arm frame, are provided with a third positioning female portion symmetrical to the third fixed component on one end surface, or one of the male parts, and a connecting portion is formed on the other end surface of the third movable component for Hands-free rack installation combined with electronic devices;

The above-mentioned third movable component is movably combined with the above-mentioned third fixed component to form a 360-degree angle and position control of the third axis, and the third positioning male part and the third positioning female part form a coordinated axial rotation and slide Jumping, and automatically positioning after the selected angle and position.

The hands-free seat device that can be adjusted and positioned arbitrarily in all directions is characterized in that: the third positioning male part is composed of a plurality of arranged bumps and protrusions (one of which is formed; the third positioning female part is composed of One of the two protrusions and bumps is formed, and a recess is formed therebetween.

The beneficial effects of adopting the present invention are: a hands-free seat device that can be adjusted and positioned arbitrarily in all directions, is a hands-free device that is applied to a portable electronic device for a hands-free rack installation and three-axis angle and position can be adjusted arbitrarily in all directions. The seat device includes: a suction cup; a fixing mechanism for connecting and controlling the suction action of the suction cup; a first rotation mechanism, which is arranged on the fixing mechanism to generate 360-degree adjustment of the first axial direction, and an arm frame, the One end of the jib is equipped with a second swivel mechanism connected to the first swivel mechanism, which produces a 90-degree azimuth control of the second axial direction on the first axis, and a third swivel mechanism is provided at the other end of the jib Hands-free rack mounting of electronic devices, resulting in 360-degree azimuth control of the third axis, forming a three-axis omnidirectional angle, position control and positioning hands-free seat structure, so that electronic devices can be easily mounted on racks through the hands-free seat device And control in the personal best viewing mode.

Please refer to the following detailed description of a preferred embodiment of the present invention and the accompanying drawings, so as to further understand the technical content and the purpose and effect of the present invention.

Description of drawings

Fig. 1 is an assembled perspective view of an embodiment of the present invention.

Fig. 2 is a three-dimensional exploded view of the structure of an embodiment of the present invention.

Fig. 3 is an exploded view of a partial structure from another perspective of an embodiment of the present invention.

Fig. 4 is a combined sectional view of an embodiment of the present invention.

Fig. 5 is a schematic diagram of the combination and the state of the rotation control of the first rotation mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of the action of the fixing mechanism according to an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of the assembly and positioning state of the second swivel mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view showing the combination of the second swivel mechanism and the state of the spin control disengaged from the positioning according to an embodiment of the present invention.

FIG. 9 is a schematic cross-sectional view of the combination of the third rotation mechanism and the rotation control disengaged positioning state according to an embodiment of the present invention.

Fig. 10 is a schematic plan view of the rotary control transmission action of the fixing mechanism according to an embodiment of the present invention.

Fig. 11 is a schematic plan view of the state before adjustment of the second swivel mechanism according to an embodiment of the present invention.

Fig. 12 is a schematic plan view of the adjusted state of the second swivel mechanism according to an embodiment of the present invention.

Fig. 13 is a schematic plan view of the state before adjustment of the first swivel mechanism according to an embodiment of the present invention.

Fig. 14 is a schematic plan view of the adjusted state of the first swivel mechanism according to an embodiment of the present invention.

Fig. 15 is a perspective schematic diagram of a three-axis control state according to an embodiment of the present invention.

Detailed ways

The technical content and detailed description of the present invention are now described as follows in conjunction with the drawings:

Please refer to FIG. 1 to FIG. 10 , which are structural combinations, exploded perspective views and combined cross-sectional schematic diagrams of the hands-free seat device that can be adjusted and positioned arbitrarily in all directions according to the present invention. As shown in the figure: the hands-free seat device of the present invention that can be adjusted and positioned arbitrarily in all directions, as shown in Figures 1 to 4, includes: a suction cup 1; Mechanism 2; a first rotation mechanism 3, to be rotatably located on the fixed mechanism 2 to produce 360 degree orientation control of the first axial direction (horizontal direction), and an arm frame 4, which is provided with a second arm frame at one end The swivel mechanism 5 is pivotally connected to the first swivel mechanism 3 to produce a 90-degree azimuth control of the second axial (vertical) direction on the first axis, and a third swivel mechanism is provided at the other end of the jib 4 6. The electronic device (not shown in the figure) is mounted on a shelf to generate a 360-degree adjustment of the third axis to form a three-axis omnidirectional angle and position control positioning structure so that the electronic device can pass through the free-standing system of the present invention. Seat holding device, simple rack installation and adjustment to use in the best personal viewing mode.

The suction cup 1 is provided with a threaded shaft 12 on the back side end surface of the suction disk surface 11 to cooperate with the drive of the above-mentioned fixing mechanism 2 to generate a downward pressure movement, so as to discharge the air between the suction disk surface 12 and the surface to be adsorbed and strongly adsorb and position it. .

The above-mentioned fixing mechanism 2 is composed of a base 21, a main gear 22, a plurality of planetary gears 23 and a rotary control ring 20;

The base 21 is covered and combined on the top of the suction cup 1. The end surface of the base 21 is provided with a central hole 24, a plurality of shafts 25 and locking rods 26. The hole 24 can be used for the shaft 12 of the suction cup 1 to penetrate and combine;

The main gear 22 has an external transmission tooth 221 and an internal thread 222 in the central hole. The lower end of the main gear 22 is arranged in the hole 24 of the base 21 and is screwed with the shaft 12 of the suction cup 1;

Most of the planetary gears 23 are respectively arranged on the shaft column 25 of the above-mentioned base 21, and are engaged with the outer transmission teeth 221 of the main gear 22 for transmission;

A rotary control ring 20 is provided with inner peripheral teeth 28 on the inner wall surface of its annular body 27, meshing with the above-mentioned planetary gears 23, so that the user can be driven by the inner peripheral teeth 28 through the rotary operation of the rotary control ring 20 The planetary gear 23 drives the main gear 22, as shown in FIG. 10 , to drive the suction cup 1 to press out the air between the surface of the suction disk 11 and the plane to be sucked for adsorption and positioning, as shown in FIG. 6 .

The first swivel mechanism 3 includes: a first fixed assembly 31, a first movable assembly 32 and an upper cover 33;

The first fixing component 31 is combined and fixed with the locking rod 26 on the base 21 of the above-mentioned fixing mechanism 2 by means of the fixing component 313. The central axis body 312 of the lock hole, the first positioning female part 311 is preferably a concave part or a hole;

The first movable component 32 is provided with a shaft hole 321 (refer to FIG. 3 ) in the center of the end face of its main body, which is used to be movable with the central shaft body 312 of the first fixed component 31 by using the locking component 91 and the elastic component 81. Rotation forms are combined, and at least one first positioning male part 322 is provided on the same end surface of the shaft hole 321, preferably at least one convex point, or one of the protrusions, and at least one of the above-mentioned plurality of first positioning female parts 311 The relative symmetry is maintained in the selective positioning mode, as shown in FIG. 4 , and at least one block 323 is provided on the other end surface of the first movable component 32;

The upper cover 33 is combined with the above-mentioned first movable component 32 by the locking component 92 to form a synchronous rotation operation, for the user to perform a 360-degree rotation in the first axial direction and the horizontal axis, and when rotating, the elastic component 81 makes the first movable component 32 have appropriate upper and lower stroke elasticity, so as to cooperate with the first positioning male part 322 which rotates synchronously, and can easily break away from the original positioning position and state, as shown in Figure 5, and in each second position A positioning female portion 311 and the end surface of the first fixing component 31 form a position change, and when the adjustment is made to a selected angle and position, the first positioning male portion 322 is then engaged with at least the first positioning female portion 311 corresponding to the position. As shown in FIG. 4 , an indented notch 331 is provided on the body of the upper cover 33 , and the structure of the second fixing component 51 of the second swivel mechanism 5 is formed in the notch 331 .

The second swivel mechanism 5 is composed of a second fixed component 51, a second movable component 52, at least two second positioning male parts 53 and an elastic component 54; wherein,

The second fixing component 51 is directly formed on the two corresponding groove walls in the notch 331 of the upper cover 33, and has a plurality of second positioning female parts 511 with symmetrical design and molding, preferably one of a recess or a hole, and at least one U Type shaft groove 512, this shaft groove 512 can be combined and closed its slot opening by the above-mentioned clamping block 323, but does not completely block the whole shaft groove 512, as shown in Figure 4 and Figure 5;

The second movable assembly 52 has a disc 521 of second-class type and spacing configuration integrally formed on a free end of the frame arm 4, and the end faces of the two discs 521 are provided with at least one perforation 522 and the second of the second fixed assembly 51. The positioning female part 511 is matched and symmetrically arranged, and the two supporting shafts 523 are pivotally connected in the above-mentioned shaft groove 512, as shown in Fig. 4 and Fig. 5, so that the frame arm 4 can be positioned on the first swivel mechanism 3 and the first shaft. Pivot upward to produce 90-degree position adjustment of the second axis and the vertical axis;

At least two second positioning male parts 53 can be correspondingly combined, or combined in a nested form. As shown in FIG. Combine;

An elastic component 54 elastically resists between the two second positioning male parts 53, and keeps the two second positioning male parts 53 against the two sides under constant elastic action, so that the pin rod 531 keeps penetrating through the through hole 522 and stretches out, or is held Pressing and elastically shrinking position changes, as shown in Figure 8, to match when the angle is adjusted, the second positioning male part 53 can bounce between each second positioning female part 511 with its stretching elasticity, but not position, and at an angle After adjustment, the pin rod 531 penetrates the through hole 522 and at least one of the second positioning female part 511 is pinned and positioned by the elastic force action pin rod 531, that is, under the action of the elastic component 54, the pin rod 531 of the second positioning male part 53 is aligned with the above-mentioned second The rotation adjustment between the second positioning female parts 511 of the fixing assembly 51 is smoother and more convenient to operate.

The above-mentioned third rotation mechanism 6 is composed of a third fixed assembly 61 and a third movable assembly 62; wherein, the third fixed assembly 61 is integrally formed with one end of the above-mentioned frame arm 4, and is formed on one side of its body. The end face is provided with a mandrel hole 60 and a third positioning male part 63, as shown in Figure 2, or one of the third positioning female part 64;

A third movable component 62 is provided with a mandrel 65 on one end thereof, which cooperates with the locking component 93 and the elastic component 83 to be movably combined with the mandrel hole 60 of the third fixed component 61 to form a 360-degree control of the third axis operation, and on the same end face as the mandrel 65, a third positioning female part 64 symmetrical to the third fixed assembly is provided, as shown in Figure 2, or one of the third positioning male part 63, and the third movable assembly 62 A connecting portion 66 is molded on the other end surface for the hands-free mounting or clipping of an electronic device (not shown in the figure);

The above-mentioned third positioning male part 63 is preferably composed of a plurality of arranged convex points 631, or protrusions; and the third positioning female part 64 is preferably composed of two protrusions 641, 641', or protrusions. The concave part 642 formed therebetween is formed to form a relatively symmetrical combination of concave and convex (protruding) positioning, so as to cooperate with the third fixed component 61 and the third movable component 62 when adjusting the 360-degree angle and position of the third axial direction, the third The positioning female part 64 is applied the elastic effect of the elastic assembly 83 with the third movable assembly 62, and can jump through between each third positioning male part 63 without positioning, as shown in Figure 9, and after the angle adjustment, the third positioning female part The portion 64 is again positioned in combination with at least one third positioning male portion 63 , as shown in FIGS. 4-6 .

Please refer to FIG. 11 to FIG. 15 , which are schematic diagrams of the three-axis rotation positioning adjustment action of the hands-free seat device that can be adjusted and positioned arbitrarily in all directions according to the present invention. As shown in the figure: the hands-free seat device of the present invention that can be adjusted and positioned arbitrarily in all directions is composed of the components shown in the above-mentioned Figures 1 to 4, and the suction cup 1 can be used to cooperate with the rotary control action of the fixing mechanism 2, and the strong The suction is positioned at the predetermined setting position, so that the hands-free seat device is fixed on the plane to be adsorbed, and the three rotation mechanisms 3, 5, 6 on the hands-free seat device of the present invention are used to adjust the position according to the user's personal use. Depending on the optimal angle and position, any adjustment can be made, that is, the adjustment requirements in the vertical axis can be adjusted by using the second swivel mechanism 5 to adjust the pitch and elevation angles. The positioning female part 511 and the second positioning male part 53 generate positioning, as shown in Figure 11 and Figure 12, no other positioning control actions are required;

When the user needs to adjust the horizontal axis, the above-mentioned first swivel mechanism 3 can be used to adjust the horizontal position arbitrarily, as shown in Figure 13 and Figure 14, and when it is adjusted to the best position, it can also be adjusted by its The first positioning female part 311 and the first positioning male part 322 automatically generate positioning; in addition, through the third axial adjustment of the above-mentioned third rotation mechanism 6, the electronic device can be adjusted to be placed horizontally, vertically or in other angles. In the best display mode, in this way, three different axial angles and position adjustments can be produced through the above-mentioned three rotation mechanisms 3, 5, and 6, so as to achieve arbitrary adjustment and positioning in all directions and directions.

The above detailed description is a specific description of a feasible embodiment of the present invention, but this embodiment is not used to limit the patent scope of the present invention, any equivalent implementation or change that does not depart from the technical spirit of the present invention, for example: equivalent The equivalent embodiments of changes shall all be included in the patent scope of the present invention.

To sum up, the present invention is not only truly innovative in terms of device structure and space operation type, but also can enhance the above-mentioned multiple functions compared with existing items. Submit an application for a patent for invention, and I sincerely request your bureau to approve the application for a patent for this invention, so as to encourage creation.

Claims (10)

1. A hand-free seat device capable of being adjusted and positioned in all directions, which is characterized by comprising:

a sucker (1) provided with a shaft rod (12) with screw threads;

a fixing mechanism (2) which is connected with the sucker (1) and rotationally controls the adsorption action of the sucker;

the first rotating mechanism (3) is arranged on the fixing mechanism (2) to form first axial regulation and control;

one end of the arm support (4) is pivoted on the first rotating direction mechanism (3);

the second rotating mechanism (5) is arranged at one end of the arm support (4) to be pivoted with the first rotating mechanism (3) to form second axial regulation in the first axial direction;

and the third rotating mechanism (6) is arranged at the other end of the arm support (4) and is used for installing an electronic device in a hand-free frame to form third axial regulation and control so as to form a three-axial positioning structure capable of regulating and controlling angles and positions in all directions.

2. The hands-free seat assembly of claim 1, wherein the seat assembly is adjustable and positionable in all directions by: the fixing mechanism (2) comprises:

a base (21);

a main gear (22) disposed on the base (21) and a plurality of planetary gears (23) meshed with the main gear (22); and a process for the preparation of a coating,

a rotary control ring (20) provided with inner peripheral teeth (28) capable of meshing with the planetary gear (23);

the rotation operation of the rotation control ring (20) drives the main gear (22) to drive the sucker (1) to extrude the air between the sucker surface and the adsorption plane for adsorption positioning through the inner peripheral teeth (28) through the planet gear (23).

3. The hands-free seat assembly of claim 2, wherein the seat assembly is adjustable and positionable in all directions by: the center of the end face of the base (21) is provided with a hole (24) for the shaft lever (12) of the sucking disc to penetrate and combine, and a plurality of shaft columns (25) and locking rods (26) are arranged around the hole.

4. The hands-free seat assembly of claim 2, wherein the seat assembly is adjustable and positionable in all directions by: the peripheral transmission gear (221) of the master gear (22) and the hole thereof are provided with internal threads (222), and are arranged in the hole (24) at the center of the base (21) and are in threaded transmission with the shaft rod (12) of the sucker (1) to generate stroke action.

5. The hands-free seat assembly of claim 1, wherein the seat assembly is adjustable and positionable in all directions by: the first rotation mechanism (3) comprises:

a first fixing component (31) combined with the base (21) of the fixing mechanism (2), and provided with a plurality of first positioning female parts (311) and a central shaft body (312) on the end surface of the body;

a first movable component (32) movably combined with the first fixed component (31), wherein one end surface of the first movable component is provided with at least one clamping block (323), and the other end surface is provided with a first positioning male part (322);

an upper cover (33) combined with the first movable component (32) to form a whole and rotate synchronously, a concave notch (331) is arranged on the body of the upper cover (33), and a second fixed component (51) of the second rotating mechanism (5) is formed in the notch (331) to be pivoted with the arm support (4);

the upper cover (33) and the first movable assembly (32) synchronously rotate in the first fixed assembly (31) in a first axial direction and a 360-degree direction of a horizontal axial direction, and are combined and positioned by the first positioning male part (322) and the first positioning female part (311) at the adjusting and selecting position.

6. The hands-free seat assembly of claim 5, wherein the seat assembly is adjustable and positionable in all directions by: the first positioning female part (311) is a concave part or a hole; the first positioning male part (322) is formed by one of at least one convex point and one convex part.

7. The hands-free seat assembly of claim 1, wherein the seat assembly is adjustable and positionable in all directions by: the second turning mechanism (5) comprises:

the second fixing component (51) is symmetrically provided with a plurality of second positioning female parts (511) and at least one shaft groove (512) on two corresponding groove walls in the upper cover notch (331), and the shaft groove (512) can be combined and sealed by the clamping block (323) to close the groove opening;

the second movable assembly (52) is provided with two disks (521) which are arranged at intervals, the end face of each disk (521) is provided with at least one through hole (522) which is symmetrical to the position of the at least one second positioning female part (11), and a fulcrum shaft (523) is assembled in the shaft groove (512) to generate 90-degree position regulation of a second axial direction and a vertical axial direction;

at least two second positioning male parts (53), the end surface of which is provided with at least one pin rod (531) which is combined in a penetrating way corresponding to the through hole (522) of the end surface of the disc (521);

an elastic component (54) which is elastically propped against the space between the two second positioning male parts (53);

the two second positioning male parts (53) are embedded between the two discs (521) in cooperation with the elastic component (54), the elastic component (54) is utilized to enable the pin rod (531) to generate the jumping of the stretching stroke corresponding to each second positioning female part (511) when the angle is adjusted at will, and the pin rod (531) penetrates through the through hole (522) and at least one of the second positioning female parts (511) to be locked and positioned under the action of the elastic force after the angle is adjusted.

8. The hands-free seat assembly of claim 7, wherein the seat assembly is adjustable and positionable in all directions by: the two second positioning male parts (53) are combined in a corresponding and combined mode.

9. The hands-free seat assembly of claim 1, wherein the seat assembly is adjustable and positionable in all directions by: the third rotation mechanism (6) comprises:

a third fixed component (61), and the arm support (4), wherein a third positioning female part (64) symmetrical to the third fixed component (61) is arranged on one end surface of the third fixed component (61), or a connecting part (66) is formed on the other end surface of one of the male part (63) and the third movable component (62) so as to be combined with an electronic device to avoid mounting;

the third movable component (62) is movably combined with the third fixed component (61) to form 360-degree angle and position regulation of a third axial direction, and the third positioning male part (63) and the third positioning female part (64) form matching axial rotation to slide and jump, and are automatically positioned after the angle and the position are selected.

10. A hands-free kit as claimed in claim 9, wherein the kit further comprises: the third positioning male part (63) is composed of one of a plurality of arranged salient points and protruding parts (631); the third positioning female part (64) is formed by molding one of the two protrusions and the bump (641) and forming a concave part (642) therebetween.

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