CN114216024A

CN114216024A - Stable form base for panel computer

Info

Publication number: CN114216024A
Application number: CN202111548425.2A
Authority: CN
Inventors: 吴刚
Original assignee: Jinling Institute of Technology
Current assignee: Jinling Institute of Technology
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-22
Anticipated expiration: 2041-12-17
Also published as: CN114216024B

Abstract

The invention discloses a stable base for a tablet computer, which comprises a base and two connecting plates, wherein the two connecting plates are arranged in parallel, the two connecting plates are horizontally arranged above the base, a rotating rod is vertically and rotatably arranged at the top of the base, the top end of the rotating rod is hinged to the center of the bottom of one of the connecting plates, an adjusting mechanism for adjusting the rotating experience of the rotating rod is arranged in the base, two ends of opposite side surfaces of the two connecting plates are respectively and vertically and fixedly connected with a side plate and a hollow plate, two ends of one side of each of the side plate and the hollow plate are respectively and symmetrically arranged in a sliding mode through clamping plates, a synchronous moving mechanism for synchronously moving the two clamping plates is arranged in the hollow plate, and a tablet computer heat dissipation mechanism is arranged between the two connecting plates. According to the invention, the tablet computer can be taken down only by rotating the second knob to keep the two clamping plates away, and the tablet computer can be conveniently and quickly mounted and dismounted, so that the use effect of the equipment is improved.

Description

Stable form base for panel computer

Technical Field

The invention relates to the technical field of tablet computers, in particular to a stable base for a tablet computer.

Background

The tablet computer is a portable microcomputer which uses a touch screen to replace a keyboard and a mouse as a main input means, is a small-sized and portable personal computer, uses the touch screen as basic input equipment, and needs a base when in use.

The stable form base for current panel computer does not have the function of quick fixed with the dismantlement panel computer to rotating the messenger to the panel computer, damping when can not adjusting the rotation is felt, has reduced the use of base and has experienced, still can not carry out effectual heat dissipation to the panel computer in addition, can not satisfy people's demand, consequently, need to redesign a stable form base for the panel computer urgently.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a stable base for a tablet computer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a stable form base for panel computer, includes base and connecting plate, the connecting plate has two and parallel arrangement, and two equal levels of connecting plate set up in the base top, the vertical rotation in base top has the bull stick, and the bull stick top articulates in one of them connecting plate bottom center department, the inside adjustment mechanism that is used for adjusting the bull stick rotation experience that is equipped with of base, and vertical fixedly connected with curb plate and hollow core slab respectively in two opposite side both ends of connecting plate, curb plate and hollow core slab one side both ends all slide and have splint and symmetry to set up, and the inside synchronous movement mechanism that is used for two splint of synchronous movement that is equipped with of hollow core slab, two be equipped with panel computer heat dissipation mechanism between the connecting plate.

According to a further scheme of the invention, a first sliding groove is formed in one side of the side plate close to the clamping plates, first sliding blocks are respectively arranged at two ends of the inner portion of the first sliding groove in a sliding manner, the top ends of the two first sliding blocks are respectively fixed to the end portions of one side of the two clamping plates, a third sliding groove is formed in the other side of the side plate, a strip-shaped block is arranged in the third sliding groove in a sliding manner, a placing plate is horizontally fixed to one side of the rotating rod, an electric telescopic rod is vertically arranged at the top of the placing plate, an output shaft of the electric telescopic rod is hinged to one end of the strip-shaped block, a C-shaped frame is fixed to the bottom of the base, and a balancing weight is arranged at the top of the transverse side of the C-shaped frame.

As a further scheme of the invention, the heat dissipation mechanism of the tablet computer comprises heat dissipation fins, two ends of each heat dissipation fin are respectively installed on opposite side surfaces of the two connecting plates, the heat dissipation fins are provided with a plurality of heat dissipation fins which are uniformly distributed between the opposite side surfaces of the two connecting plates, scraping plates are respectively arranged between the adjacent heat dissipation fins in a sliding manner, the side surfaces of the plurality of scraping plates are fixedly connected with the same transverse plate, a pull rod is vertically installed at the top of one of the scraping plates, the top of one of the connecting plates is abutted to a pull plate, the top end of the pull rod penetrates through one of the connecting plates and is installed at the bottom of the pull plate, and fans are installed on the opposite side surfaces of the side plates and the hollow plate.

As a further scheme of the invention, the synchronous moving mechanism comprises two connecting blocks and a rotary table, the two connecting blocks slide in the hollow plate, two ends of one side of the hollow plate are provided with strip-shaped notches, the centers of one sides of the two connecting blocks are fixed with convex rods, the two convex rods respectively penetrate through the two strip-shaped notches and are respectively fixed at the end parts of the side surfaces of the two clamping plates, and two ends in the hollow plate are provided with reset mechanisms for resetting the connecting blocks.

As a further scheme of the invention, the rotary table rotates inside the hollow plate, one symmetrical side face of the rotary table is hinged with the hinge rods, the other two ends of the two hinge rods are respectively hinged on the opposite side faces of the two connecting blocks, one side of the rotary table is fixedly connected with the rotating shaft, one side of the hollow plate is rotated with the second knob, and the top end of the rotating shaft penetrates through one side of the hollow plate and is installed at the center of one side of the second knob.

As a further scheme of the invention, the adjusting mechanism comprises a slide way, a screw rod, a first gear and a second gear, the first gear and the second gear are both rotatably engaged with the inside of the base, the tail end of the rotating rod penetrates through the top of the base and is installed at the center of the top of the first gear, movable plates are arranged at two ends of one side of the base in a sliding mode and are symmetrically arranged, spring rods are vertically installed on opposite side surfaces of the two movable plates, and two opposite ends of the two spring rods are respectively abutted to a symmetrical side surface of the second gear.

As a further scheme of the invention, two of the slideways are respectively and fixedly connected to two ends of one side of the base, second sliding blocks are respectively and slidably arranged in the two slideways, the two second sliding blocks are respectively and fixedly connected to the centers of one ends of the two movable plates, a movable block is slidably arranged in the base, one symmetrical side surface of the movable block is hinged with a movable rod, and the other two ends of the two movable rods are respectively hinged to opposite side surfaces of the two movable plates.

As a further scheme of the invention, the screw rod horizontally rotates inside the base, the screw rod is connected inside the moving block through threads, a first knob rotates on one side of the base, the top end of the screw rod penetrates through the base and is installed in the center of one side of the first knob, second sliding grooves are formed in symmetrical side surfaces inside the base, sliding rods are fixed on symmetrical side surfaces of the moving block, and two ends, far away from the two sliding rods, of the two sliding rods slide inside the two second sliding grooves respectively.

As a further scheme of the invention, the reset mechanism comprises two magnets which repel each other, and two sides far away from the two magnets are respectively arranged at one end inside the hollow plate and one side of the connecting block.

As a further scheme of the invention, the reset mechanism comprises a first spring, the first spring is horizontally arranged in the hollow plate, and two ends of the first spring are respectively arranged at one end in the hollow plate and one side of the connecting block.

The invention has the beneficial effects that:

1. when the equipment is needed to be used, firstly, the second knob is rotated to drive the rotating shaft to rotate, the rotating shaft rotates to drive the rotating disc to rotate, the rotating disc rotates to drive the hinge rod to rotate, the hinge rod rotates to drive the connecting block to move, the connecting block moves to enable the two magnets to repel, the connecting block moves to drive the convex rod to move, the convex rod moves to drive the two clamping plates to move, so that the two clamping plates can be far away, the tablet computer can be further placed between the two clamping plates, then the second knob is loosened, the repulsive force generated by the two magnets can enable the two connecting blocks to be close, the tablet computer can be further clamped, in addition, when the tablet computer needs to be disassembled, the tablet computer can be taken down only by rotating the second knob to enable the two clamping plates to be far away, and the mounting and the disassembling of the tablet computer are fast, thereby improving the use effect of the equipment.

2. In the invention, when the tablet computer is fixed and needs to turn, only the side plates or the hollow plates need to be rotated, the tablet computer and the rotating rod can be driven to rotate, the rotating rod can drive the first gear to rotate, the first gear can drive the second gear to rotate, when the damping sense of the rotating tablet computer needs to be adjusted, only the first knob needs to be rotated, the first knob rotates to drive the screw rod to rotate, the screw rod rotates to drive the moving block to move, the moving block moves to drive the moving rod to move, the moving rod moves to drive the movable plate to move, the movable plate moves to drive the spring rod to move, thereby can adjust the frictional force between two spring levers and the second gear, further can adjust the damping sense when rotating the panel computer, make it can adapt to different users and use, and then improve the application scope of this equipment.

3. According to the invention, when the tablet personal computer is used, heat generated by the tablet personal computer can be dissipated through the cooling fins, so that preliminary heat dissipation can be performed on the tablet personal computer, in addition, through the arrangement of the fan, air can be blown to the cooling fins, the flowing speed of air around the cooling fins is accelerated, the heat dissipation effect on the tablet personal computer is further improved, in addition, the pull rod is driven to move through the pull plate, the pull rod can drive the plurality of scraper plates to move through moving, so that dust adhered to the surfaces of the cooling fins can be cleaned, the phenomenon that the adhered dust influences the heat dissipation effect is avoided, and further, the practicability of the equipment is improved.

4. When the equipment is needed to be used, firstly, the second knob is rotated to drive the rotating shaft to rotate, the rotating shaft rotates to drive the rotating disc to rotate, the rotating disc rotates to drive the hinge rod to rotate, the hinge rod rotates to drive the connecting block to move, the connecting block moves to enable the first spring to generate elastic force, the connecting block moves to drive the convex rod to move, the convex rod moves to drive the two clamping plates to move, so that the two clamping plates can be far away, the tablet computer can be further placed between the two clamping plates, then the second knob is loosened, the elastic force generated by the first spring can enable the two connecting blocks to be close, the tablet computer can be further clamped, in addition, when the tablet computer needs to be disassembled, the tablet computer can be taken down only by rotating the second knob to enable the two clamping plates to be far away, and the mounting and the disassembling of the tablet computer are fast and convenient, thereby improving the use effect of the equipment.

Drawings

Fig. 1 is a schematic structural view of a stable base for a tablet computer according to embodiment 1 of the present invention;

fig. 2 is a sectional view of a stable base for a tablet pc according to embodiment 1 of the present invention;

fig. 3 is a schematic view of the internal structure of a stable base for a tablet computer according to embodiment 1 of the present invention;

fig. 4 is a rear view schematically illustrating a stable base for a tablet pc according to embodiment 1 of the present invention;

fig. 5 is a sectional view of a hollow core plate of a stable base for a tablet pc according to embodiment 1 of the present invention;

fig. 6 is an enlarged view of a stable base for a tablet pc according to embodiment 1 of the present invention at a;

fig. 7 is a schematic structural diagram of a stable base for a tablet computer according to embodiment 2 of the present invention.

In the figure: 1. a base; 2. a rotating rod; 3. a connecting plate; 4. a side plate; 5. a hollow slab; 6. a heat sink; 7. a splint; 8. a first chute; 9. a first slider; 10. a pull rod; 11. an electric telescopic rod; 12. a bar-shaped block; 13. a first knob; 14. a balancing weight; 15. a strip-shaped notch; 16. a first gear; 17. a second gear; 18. a second chute; 19. a slide bar; 20. a movable plate; 21. a slideway; 22. a second slider; 23. a spring lever; 24. a movable rod; 25. a first spring; 26. a screw rod; 27. a moving block; 28. a C-shaped frame; 29. a fan; 30. a third chute; 31. a second knob; 32. connecting blocks; 33. a turntable; 34. a hinged lever; 35. a rotating shaft; 36. a magnet; 37. a squeegee; 38. a transverse plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-6, a stable form base for panel computer, including base 1 and connecting plate 3, connecting plate 3 has two and parallel arrangement, and two connecting plate 3 homogeneous level set up in base 1 top, the vertical rotation in base 1 top has

bull stick

2, and 2 tops of bull stick articulate in 3 bottom center departments of one of them connecting plate, 1 inside adjustment mechanism that is used for adjusting 2 rotations of bull stick experience that is equipped with of base, and vertical fixedly connected with curb plate 4 and hollow plate 5 respectively in two 3 opposite side both ends of connecting plate, curb

plate

4 and 5 one side both ends of hollow plate all slide splint 7 and the symmetry sets up, and hollow plate 5 inside is equipped with the synchronous motion mechanism that is used for two splint 7 of synchronous motion, be equipped with panel computer heat dissipation mechanism between two connecting plates 3.

This embodiment, curb plate 4 has been close to one side of splint 7 and has been seted up first spout 8, and the inside both ends of first spout 8 all slide and have first slider 9, two 9 tops of first slider are fixed in two 7 side ends of splint respectively, and third spout 30 has been seted up to 4 opposite sides of curb plate, the inside strip-shaped block 12 that slides of

third spout

30, and 2 one side horizontal fixation of bull stick place the board, place the vertical electric telescopic handle 11 of installing in board top, electric telescopic handle 11's output shaft articulates in 12 one end of strip-shaped block, and the base 1 bottom is fixed with C type frame 28, and balancing weight 14 has been placed at 28 horizontal limit tops of C type frame.

This embodiment, panel computer heat dissipation mechanism includes fin 6, and install respectively in two opposite sides of connecting plate 3 at fin 6 both ends, fin 6 has a plurality ofly and evenly distributed between two opposite sides of connecting plate 3, and all slide between the adjacent fin 6 and have scraper blade 37, the same diaphragm 38 of a plurality of scraper blade 37 side fixedly connected with, and the vertical pull rod 10 of installing in one of them scraper blade 37 top, one of them connecting plate 3 top butt has the arm-tie, and one of them connecting plate 3 is passed on the pull rod 10 top and install in the arm-tie bottom, fan 29 is all installed to the opposite side of curb plate 4 and hollow core plate 5.

This embodiment, synchronous movement mechanism includes connecting block 32 and carousel 33, and connecting block 32 has two and all slides inside hollow plate 5, and bar notch 15 has all been seted up at hollow plate 5 one side both ends, and two connecting block 32 one side center departments all are fixed with the nose bar, and two nose bars pass two bar notches 15 respectively and are fixed in two splint 7 side tip respectively, and the inside both ends of hollow plate 5 all are equipped with the canceling release mechanical system who is used for the connecting block 32 that resets.

In this embodiment, carousel 33 rotates inside hollow plate 5, and carousel 33 symmetrical side all articulates there is articulated rod 34, and two other both ends of articulated rod 34 articulate respectively in the opposite side of two connecting blocks 32, and carousel 33 one side fixedly connected with pivot 35, and hollow plate 5 one side is rotated and is had second knob 31, and the pivot 35 top passes hollow plate 5 one side and installs in second knob 31 one side center department.

In this embodiment, the adjusting mechanism includes the slide 21, the lead screw 26, the first gear 16 and the second gear 17, and the first gear 16 and the second gear 17 all rotate and the base 1 is inside and intermeshing, the terminal base 1 top that passes is installed in first gear 16 top center department to the bull stick 2 end, and base 1 one side both ends all slide there are fly leaf 20 and symmetry setting, the equal vertical spring bar 23 of installing in the opposite side of two fly leaf 20, and the opposite both ends of two spring bars 23 respectively butt in the symmetrical side of second gear 17.

In this embodiment, two of the slide ways 21 are respectively and fixedly connected to two ends of one side of the base 1, the second sliding blocks 22 are respectively and slidably arranged in the two slide ways 21, the two second sliding blocks 22 are respectively and fixedly connected to centers of one ends of the two movable plates 20, the moving block 27 is slidably arranged in the base 1, a pair of symmetrical lateral surfaces of the moving block 27 are respectively hinged to the movable rods 24, and the other two ends of the two movable rods 24 are respectively hinged to opposite lateral surfaces of the two movable plates 20.

In this embodiment, the lead screw 26 horizontally rotates inside the base 1, and the lead screw 26 is connected inside the moving block 27 through a thread, the first knob 13 is rotated on one side of the base 1, and the top end of the lead screw 26 passes through the base 1 and is installed at the center of one side of the first knob 13, the second sliding grooves 18 are all opened on one symmetrical side inside the base 1, the sliding rods 19 are fixed on one symmetrical side of the moving block 27, and the two far-away ends of the two sliding rods 19 respectively slide inside the two second sliding grooves 18.

In this embodiment, the reset mechanism includes two magnets 36, and the two magnets 36 repel each other, and two sides of the two magnets 36 away from are respectively installed at one end inside the hollow plate 5 and one side of the connecting block 32.

The working principle of the embodiment is as follows: in practical use, when the device is needed to be used, firstly, the second knob 31 is rotated to drive the rotating shaft 35 to rotate, the rotating shaft 35 rotates to drive the rotating disc 33 to rotate, the rotating disc 33 rotates to drive the hinge rod 34 to rotate, the hinge rod 34 rotates to drive the connecting block 32 to move, the connecting block 32 moves to repel the two magnets 36, the connecting block 32 moves to drive the convex rod to move, the convex rod moves to drive the two clamping plates 7 to move, so that the two clamping plates 7 can be far away, further, the tablet computer can be placed between the two clamping plates 7, then, the second knob 31 is loosened, the repulsive force generated by the two magnets 36 can draw the two connecting blocks 32 together, further, the tablet computer can be clamped, and when the tablet computer needs to be disassembled, the tablet computer can be taken down only by rotating the second knob 31 to drive the two clamping plates 7 to be far away, when the damping sense of the rotating tablet computer needs to be adjusted, only the first knob 13 needs to be rotated, the first knob 13 rotates to drive the screw rod 26 to rotate, the screw rod 26 rotates to drive the moving block 27 to move, the moving block 27 moves to drive the moving rod 24 to move, the moving rod 24 moves to drive the movable plate 20 to move, the movable plate 20 moves to drive the spring rods 23 to move, so that the friction force between the two spring rods 23 and the second gear 17 can be adjusted, and further the damping sense of the rotating tablet computer can be adjusted, make it can adapt to different users and use, and then improved the application scope of this equipment, when using panel computer, can give off the heat that panel computer produced through fin 6, thereby can carry out preliminary heat dissipation to panel computer, in addition through fan 29's setting, still can blow to fin 6, the flow velocity of air around fin 6 has been accelerated, further improvement the radiating effect to panel computer, drive pull rod 10 through the arm-tie in addition and remove, pull rod 10 removes and can drive a plurality of scraper blades 37 and remove, thereby can clear up the dust of fin 6 surface adhesion, the condition that the dust of having avoided the adhesion influences the radiating effect takes place, and then the practicality of this equipment has been improved.

Example 2

Referring to fig. 7, a stable form base for panel computer, including base 1 and connecting plate 3, connecting plate 3 has two and parallel arrangement, and two equal levels of connecting plate 3 set up in base 1 top, the vertical rotation in base 1 top has

bull stick

2, and 2 tops of bull stick articulate in 3 bottom center departments of one of them connecting plate, 1 inside adjustment mechanism that is used for adjusting 2 rotations of bull stick and experiences of base, and vertical fixedly connected with curb plate 4 and hollow core plate 5 respectively in two 3 opposite side both ends of connecting plate, curb

plate

4 and 5 one side both ends of hollow core plate all slide and have splint 7 and symmetry to set up, and the inside synchronous motion mechanism that is used for two splint 7 of synchronous motion that is equipped with of hollow core plate 5, be equipped with panel computer heat dissipation mechanism between two connecting plates 3.

third spout

In this embodiment, the reset mechanism includes the first spring 25, and the first spring 25 is horizontally disposed inside the hollow plate 5, and both ends of the first spring 25 are respectively installed at one end inside the hollow plate 5 and one side of the connecting block 32.

The working principle of the embodiment is as follows: in practical use, when the device is needed to be used, firstly, the second knob 31 is rotated to drive the rotating shaft 35 to rotate, the rotating shaft 35 rotates to drive the rotating disc 33 to rotate, the rotating disc 33 rotates to drive the hinge rod 34 to rotate, the hinge rod 34 rotates to drive the connecting blocks 32 to move, the connecting blocks 32 move to enable the first spring 25 to generate elastic force, the connecting blocks 32 move to drive the convex rods to move, the convex rods move to drive the two clamping plates 7 to move, so that the two clamping plates 7 can be far away, further, the tablet computer can be placed between the two clamping plates 7, then, the second knob 31 is loosened, the elastic force generated by the first spring 25 enables the two connecting blocks 32 to be close, further, the tablet computer can be clamped, and in addition, when the tablet computer needs to be disassembled, the tablet computer can be taken down only by rotating the second knob 31 to enable the two clamping plates 7 to be far away, and the installation and the disassembly of the tablet computer are convenient and quick, so that the use effect of the equipment is improved.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as illustrative and not restrictive in all respects, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, any reference signs in the claims being therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The stable base for the tablet computer comprises a base (1) and connecting plates (3), and is characterized in that the connecting plates (3) are arranged in parallel, the two connecting plates (3) are horizontally arranged above the base (1), a rotating rod (2) is vertically rotated at the top of the base (1), the top end of the rotating rod (2) is hinged to the center of the bottom of one connecting plate (3), an adjusting mechanism used for adjusting the rotating rod (2) to rotate is arranged inside the base (1), two opposite side ends of the two connecting plates (3) are respectively and fixedly connected with a side plate (4) and a hollow plate (5) vertically, two ends of one side of the side plate (4) and the hollow plate (5) are respectively and fixedly connected with a clamping plate (7) in a sliding mode and are symmetrically arranged, and a synchronous moving mechanism used for synchronously moving the two clamping plates (7) is arranged inside the hollow plate (5), and a tablet computer heat dissipation mechanism is arranged between the two connecting plates (3).

2. A stabilized base for a tablet computer according to claim 1, one side of the side plate (4) close to the clamping plate (7) is provided with a first sliding chute (8), and the two ends of the interior of the first sliding chute (8) are respectively provided with a first sliding block (9), the top ends of the two first sliding blocks (9) are respectively fixed at the end part of one side of the two clamping plates (7), a third sliding groove (30) is arranged on the other side of the side plate (4), a strip-shaped block (12) slides in the third sliding groove (30), a placing plate is horizontally fixed on one side of the rotating rod (2), an electric telescopic rod (11) is vertically installed on the top of the placing plate, the output shaft of the electric telescopic rod (11) is hinged at one end of the bar-shaped block (12), and a C-shaped frame (28) is fixed at the bottom of the base (1), and a balancing weight (14) is placed at the top of the transverse side of the C-shaped frame (28).

3. A stabilized base for a tablet computer according to claim 2 wherein said heat sink mechanism of the tablet computer comprises heat sinks (6), and two ends of the radiating fin (6) are respectively arranged on the opposite side surfaces of the two connecting plates (3), the radiating fins (6) are provided with a plurality of radiating fins which are evenly distributed between the opposite side surfaces of the two connecting plates (3), scraping plates (37) are respectively arranged between the adjacent radiating fins (6) in a sliding manner, the side surfaces of a plurality of the scraping plates (37) are fixedly connected with the same transverse plate (38), the top of one scraping plate (37) is vertically provided with a pull rod (10), the top of one of the connecting plates (3) is connected with a pulling plate in an abutting mode, the top end of the pull rod (10) penetrates through one of the connecting plates (3) and is installed at the bottom of the pulling plate, the opposite sides of the side plates (4) and the hollow plates (5) are provided with fans (29).

4. The stable base for the tablet personal computer according to claim 3, wherein the synchronous moving mechanism comprises two connecting blocks (32) and a rotating disc (33), and the two connecting blocks (32) slide inside the hollow plate (5), the two ends of one side of the hollow plate (5) are both provided with bar-shaped notches (15), and the center of one side of the two connecting blocks (32) is both fixed with a protruding rod, the two protruding rods respectively penetrate through the two bar-shaped notches (15) and are respectively fixed at the side end parts of the two clamping plates (7), and the two ends inside the hollow plate (5) are both provided with a resetting mechanism for resetting the connecting blocks (32).

5. The stable base for the tablet personal computer according to claim 4, wherein the rotary plate (33) is rotated inside the hollow plate (5), a pair of symmetrical lateral surfaces of the rotary plate (33) are hinged with hinge rods (34), the other two ends of the two hinge rods (34) are respectively hinged to the opposite lateral surfaces of the two connecting blocks (32), a rotating shaft (35) is fixedly connected to one side of the rotary plate (33), the second knob (31) is rotated on one side of the hollow plate (5), and the top end of the rotating shaft (35) penetrates through one side of the hollow plate (5) and is installed at the center of one side of the second knob (31).

6. The stable base for the tablet personal computer as claimed in claim 5, wherein the adjusting mechanism comprises a slide rail (21), a screw rod (26), a first gear (16) and a second gear (17), the first gear (16) and the second gear (17) are both rotated and engaged with the inside of the base (1), the end of the rotating rod (2) penetrates through the top of the base (1) and is installed at the center of the top of the first gear (16), the two movable plates (20) are respectively slid at two ends of one side of the base (1) and are symmetrically arranged, the two opposite sides of the two movable plates (20) are respectively and vertically provided with the spring rods (23), and the two opposite ends of the two spring rods (23) are respectively abutted against a symmetrical side of the second gear (17).

7. The stable base for the tablet personal computer as claimed in claim 6, wherein the two sliding ways (21) are fixedly connected to two ends of one side of the base (1), respectively, the second sliding blocks (22) are slidably arranged in the two sliding ways (21), the two second sliding blocks (22) are fixedly connected to centers of one ends of the two movable plates (20), respectively, the movable block (27) is slidably arranged in the base (1), the movable block (27) is hinged to a symmetrical side surface of the movable block (27), and the other two ends of the two movable rods (24) are hinged to opposite side surfaces of the two movable plates (20), respectively.

8. The stable base for the tablet personal computer as claimed in claim 7, wherein the lead screw (26) horizontally rotates inside the base (1), the lead screw (26) is connected inside the moving block (27) through a thread, a first knob (13) rotates on one side of the base (1), the top end of the lead screw (26) penetrates through the base (1) and is installed at the center of one side of the first knob (13), the second sliding grooves (18) are respectively formed on a symmetrical side surface inside the base (1), the sliding rods (19) are respectively fixed on a symmetrical side surface of the moving block (27), and two far ends of the two sliding rods (19) respectively slide inside the two second sliding grooves (18).

9. The stable base for tablet personal computers according to claim 8, wherein the reset mechanism comprises two magnets (36), and the two magnets (36) repel each other, and two sides of the two magnets (36) away from each other are respectively installed at one end inside the hollow plate (5) and one side of the connecting block (32).

10. The stable base for the tablet personal computer according to claim 8, wherein the reset mechanism comprises a first spring (25), the first spring (25) is horizontally disposed inside the hollow plate (5), and two ends of the first spring (25) are respectively installed at one end inside the hollow plate (5) and one side of the connecting block (32).