Desktop computer display screen lifting and rotating device

[0018] like figure 1 As shown, this specific embodiment adopts the following technical solutions: a desktop computer display screen lifting and rotating device, comprising a display screen 19, a universal wheel 1, a universal wheel support rod 2, a device base 3, a first hydraulic cylinder 4 , the first hydraulic rod 5, the slider 6, the lifting frame connecting shaft 7, the lifting frame 8, the supporting platform connecting shaft 9, the supporting platform 10, the rotating device 11, the speaker 12, the heat dissipation main box 13, the guide rail groove 14, the sealing ring 15 , switch door 16, display screen support table 17, display screen fixing rod 18, second hydraulic cylinder 20 and second hydraulic rod 21; both sides of the lower surface of the device base 3 are fixedly connected with universal wheel support rods 2, A universal wheel 1 is movably connected to the bottom of the universal wheel support rod 2; a heat dissipation main box 13 is arranged on the right side of the device base 3, and an opening and closing door 16 is arranged on the outer surface of the cooling main box 13. The opening and closing door The outer surface of 16 is covered with a layer of sealing ring 15; the middle of the device base 3 is provided with a guide rail groove 14, the inner ends of the guide rail groove 14 are movably connected with a sliding block 6, and the inner side of the sliding block 6 is fixedly connected with a lifting frame 8. Each connection of the lifting frame 8 is movably connected with the lifting frame connecting shaft 7; the left side of the guide rail groove 14 is provided with a first hydraulic cylinder 4, and the first hydraulic cylinder 4 is movably connected with a first hydraulic cylinder 4. The hydraulic rod 5, the right end of the first hydraulic rod 5 is fixedly connected with the left slider 6; the right side of the guide rail groove 14 is provided with a second hydraulic cylinder 20, which is movably connected in the second hydraulic cylinder 20 There is a second hydraulic rod 21, the left end of the second hydraulic rod 21 is fixedly connected with the right slider 6; the first hydraulic cylinder 4 and the second hydraulic cylinder 20 push the slider 6 to move the lifting frame 8 up and down The upper part of the lifting frame 8 is provided with a support platform 10, and both sides of the lower surface of the support platform 10 are fixedly connected with a support platform connecting shaft 9, and the supporting platform connecting shafts 9 on both sides are movable with the top of the lifting frame 8 The supporting platform 10 is provided with a rotating device 11; both sides of the supporting platform 10 are provided with speakers 12; the upper surface of the rotating device 11 is fixedly connected with the display screen support table 17; the display screen supports A display screen fixing rod 18 is fixedly connected in the middle of the table 17 , and a display screen 19 is movably connected to the display screen fixing rod 18 .

[0019] like figure 2 As shown, the specific structure of the heat dissipating main chassis 13 is: including a chassis chamber 22, a first air outlet 23, a refrigerator 24, a condensation pipe 25, a second air outlet 26, a first fan 27, and a first fan connecting rod 28. The first motor 29, the second fan 30, the second fan connecting rod 31, the second motor 32 and the exhaust chamber 33; the inner surface of the chassis chamber 22 is evenly distributed with condensation pipes 25; the chassis chamber 22 A refrigerator 24 is arranged on the outer surface of the left side, and the output end of the refrigerator 24 is connected with the condenser pipe 25; an exhaust chamber 33 is arranged above the cabinet cavity 22, and the left side of the exhaust chamber 33 is provided with The second air outlet 26, the second air outlet 26 is provided with a first motor 29, the upper end of the first motor 29 is movably connected with a first fan connecting rod 28, and both sides of the first fan connecting rod 28 are fixed A first fan 27 is connected, and the output shaft of the first motor 29 is connected with the first fan connecting rod 28; the right side of the exhaust chamber 33 is provided with a first air outlet 23, and the first air outlet 23 There is a second motor 32 inside, a second fan connecting rod 31 is movably connected to the upper end of the second motor 32, and a second fan 30 is fixedly connected to both sides of the second fan connecting rod 31. The second motor 32 The output shaft of the fan is connected with the second fan connecting rod 31 .

[0020] like image 3 As shown, the specific structure of the display screen fixing rod 18 is: including a display screen hook 34, a fixed base 35, a fixed universal rod 36 and a movable universal rod 37; a fixed universal rod is fixedly connected in the middle of the fixed base 35 36. A movable universal rod 37 is movably connected to the upper end of the fixed universal rod 36, and a display screen hook 34 is fixedly connected to the right surface of the movable universal rod 37.

[0021] like Figure 4As shown, the specific structure of the rotating device 11 includes: an upper connecting plate 38, a lower supporting plate 39, a first meshing wheel 40, a second meshing wheel 41, a transmission rod 42, a knob 43 and an L-shaped support arm 44; A first meshing wheel 40 is fixedly connected to the lower surface of the upper connecting plate 38; a lower supporting plate 39 is arranged directly below the upper connecting plate 38, and an L-shaped supporting arm 44 is fixedly connected to the right side of the lower supporting plate 39. A transmission rod 42 runs through the L-shaped support arm 44, the right end of the transmission rod 42 is movably connected with a knob 43, and the left end of the transmission rod 42 is fixedly connected with a second meshing wheel 41; the first meshing wheel 40 and the second meshing wheel 41 The meshing wheels 41 are perpendicular to each other and mesh with each other.

[0022] Wherein, the sealing ring 15 is a rubber sealing ring; the bottom of the universal wheel 1 is provided with an anti-skid device; the first motor 29 and the second motor 32 are both frequency conversion motors.

[0023] The use state of the present invention is as follows: the first hydraulic cylinder 4 and the second hydraulic cylinder 20 push the slider 6 to move the support platform 10 on the lifting frame 8 up and down to adjust the height, and the two sides of the support platform 10 are provided with speakers 12 to increase the volume, There is a rotating device 11 inside to rotate the second meshing tooth 41 and the first meshing tooth 40 through the rotating knob 43, and the upper connecting plate 38 on the first meshing tooth 40 is fixedly connected with the display screen support table 17, so that they rotate together, The upper surface of the display screen support table 17 is connected to the fixed base 35, the display screen 19 can be adjusted in angle by being installed on the movable universal rod 37, the chassis is placed in the heat dissipation main box 13, and the condenser 25 is driven by the refrigerator 24 for cooling. The upper part drives the first fan 27 and the second fan 30 to exhaust air through the first motor 29 and the second motor 32 to achieve the effect of heat dissipation.

[0024] The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only for illustrating the present invention. principle, on the premise of not departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, these changes and improvements all fall within the scope of the claimed invention, and the claimed scope of the present invention is determined by the appended rights Requirements and their equivalents are defined.