Disclosure of Invention
The technical problem is as follows:
the existing computer display has small adjustment degree and cannot completely meet the requirement of working and learning at ordinary times.
In order to solve the problems, the present example designs a circular display bracket, which comprises a base, wherein the base is internally provided with a containing groove with a right opening, the inner wall of the lower side of the containing groove is fixedly provided with a fixed block, the fixed block is internally provided with a connecting device, the right end of the connecting device is rotatably connected with an adjusting device, the right side of the adjusting device is provided with a fixed plate, the right end surface of the fixed plate is internally provided with a display screen, the fixed plate is internally provided with a circular groove with a left opening, the circular groove is convenient for holding the fixed plate by hands, the right end of the adjusting device is fixedly connected with the center of the fixed plate, the fixed plate and the display screen can swing left and right around the connecting device through the adjusting device, so as to adjust the angle between the glasses and the display screen, and can also rotate back and forth around the rotating, and then adjust the show angle of display screen, through connecting device can make the fixed plate with control about the display screen, and then adjust eyes with distance between the display screen, be connected with strutting arrangement between bracing piece and the dwang in the connecting device, work as the bracing piece with the dwang is in on the same straight line and when keeping the level, strutting arrangement can hold the bracing piece with the dwang prevents the bracing piece with the dwang rotates relatively, the bracing piece with the dwang can be accomodate in accomodate the inslot, this moment the adjusting device left end with meshing connection can prevent between the connecting device the bracing piece rotates. Beneficially, the connecting device comprises a through groove which is formed in the fixed block in a vertically through manner, the left end of the support rod extends into the through groove, connecting shafts are fixedly connected to the front end and the rear end of the support rod, the front end and the rear end of each connecting shaft are rotatably connected to the inner walls of the front side and the rear side of the through groove, a connecting groove with a right opening is formed in the support rod in a vertically through manner, the left end of the rotating rod extends into the connecting groove, the supporting device is located in the connecting groove and connected between the support rod and the rotating rod, the right end of the rotating rod is connected to the adjusting device, transmission cavities are symmetrically formed in the inner walls of the front side and the rear side of the through groove, sliding wheels are rotatably and slidably arranged in the transmission cavities, limiting holes with openings facing to the symmetric center are formed in the sliding, at the moment, the sliding wheel can limit the rotation of the connecting shaft, a threaded hole with an opening deviating from the symmetry center is arranged in the sliding wheel, a screw rod is connected in the threaded hole in a threaded manner, a driven belt wheel is rotatably arranged on one side of the sliding wheel, which is far away from the symmetry center, the driven belt wheel is fixedly connected to the screw rod, a driving belt wheel is rotatably arranged on the left side of the driven belt wheel, a connecting belt is connected between the driving belt wheel and the driven belt wheel, a symmetrical shaft is fixedly connected in the driving belt wheel, a limiting hole is formed in the inner wall on the left side of the through groove in a communicated manner, gear cavities are symmetrically and communicated in the inner walls on the upper side and the lower side of the limiting hole in a rotatable manner, a connecting gear is rotatably arranged in each gear cavity, a through cavity with a left opening is vertically communicated, the front end of the symmetrical shaft at the rear side is fixedly connected with the connecting gear at the upper side, the rear end of the symmetrical shaft at the front side is fixedly connected with the connecting gear at the lower side, when the supporting rod and the rotating rod are accommodated in the accommodating groove, the left end of the adjusting device is meshed with the connecting gear, the opening of the through cavity faces downwards, the sliding wheel is connected with the connecting shaft, the fixing plate is pulled rightwards, the adjusting device is pulled to slide rightwards and drive the connecting gear to rotate, the driving belt wheel is driven to rotate through the symmetrical shaft, the driven belt wheel is driven to rotate through the connecting belt, the sliding wheel is driven to slide through the screw rod and is disconnected from the connecting shaft, the adjusting device is disengaged from the connecting gear, and the adjusting device drives the rotating rod to rotate, and then the support rod can be driven to rotate around the connecting shaft until the support rod and the rotating rod are in the same straight line and keep horizontal.
Beneficially, strutting arrangement including the front and back through locate the spring groove in the dwang, the symmetry is equipped with the card axle around the spring inslot, the dwang with but rotate relatively between the card axle, the card axle is kept away from center of symmetry one end and is passed the bracing piece and with sliding connection between the bracing piece, there is the arch on the card axle periphery, works as the bellying department of card axle offsets in when the dwang front and back end face, this moment the card axle with but rotate relatively between the dwang, what communicate in the inboard inner wall of spring groove downside is equipped with the card hole, works as the bracing piece with when the dwang is in same straight line, the bellying department of card axle can slide into in the card is downthehole, this moment the card axle with but not rotate relatively between the dwang, and then can make the bracing piece with the dwang keeps same straight line state.
Preferably, a connecting spring is fixedly connected between the clamping shafts on two sides, and when the clamping shafts and the rotating rod can rotate relatively, the connecting spring is in a stretching state.
Beneficially, the adjusting device comprises a connecting cavity which is communicated from top to bottom and is provided with a right opening in the rotating rod, a friction plate is rotatably arranged in the connecting cavity, a fixed shaft is fixedly connected in the friction plate, the front end and the rear end of the fixed shaft are rotatably connected to the inner walls of the front side and the rear side of the connecting cavity, a limiting rod is fixedly connected at the left end of the friction plate, a fixed rack is fixedly arranged in the upper end face and the lower end face of the limiting rod and can be meshed with the connecting gear, a connecting block is fixedly connected at the right end of the friction plate, a groove with the right opening is formed in the connecting block, a connecting rod is rotatably connected in the groove, the right end of the connecting rod is fixedly connected to the fixed plate, four sliding blocks are distributed in an annular array mode and fixedly connected on the left end, the two buffer sliding blocks are fixedly connected with the two sliding blocks respectively, the buffer sliding blocks are connected with the circular ring in a sliding manner, the two buffer sliding blocks are kept against each other all the time under the action of the elastic force of the buffer springs, the fixed plate is held by hands and rotates left and right, the connecting block and the friction plate are driven by the connecting rod to rotate around the fixed shaft, the fixed plate rotates back and forth, the connecting rod is driven to rotate, the connecting block cannot rotate, the connecting rod drives the sliding blocks to rotate, one buffer spring between the two sliding blocks can contract, the other buffer spring can stretch, and when the fixed plate and the connecting rod stop rotating, the two sliding blocks vibrate between the two sliding blocks under the action of the elastic force of the buffer springs, the connecting rod and the fixing plate can be prevented from rotating too fast.
Preferably, the inner walls of the front side and the rear side of the connecting cavity are symmetrical and are fixedly provided with clamping holes, the friction plate and the clamping holes rub against each other, and when the fixing plate is loosened, the friction plate and the clamping holes are not rotated under the action of friction force.
The invention has the beneficial effects that: the invention can automatically adjust the distance between the display and the eyes, thereby avoiding the rapid fatigue of the eyes caused by the eyes staring in front of the display for a long time in a close distance, and the display can rotate in a large angle, thereby being convenient to show the content displayed by the display to other people.
Detailed Description
The invention will now be described in detail with reference to fig. 1-9, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a circular display bracket, which is mainly applied to angle adjustment and stretching of a circular display, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a circular display bracket, which comprises a base 11, wherein a containing groove 12 with a right opening is arranged in the base 11, a fixed block 23 is fixedly arranged on the inner wall of the lower side of the containing groove 12, a connecting device 101 is arranged in the fixed block 23, the right end of the connecting device 101 is rotatably connected with an adjusting device 100, the right side of the adjusting device 100 is provided with a fixed plate 17, a display screen 16 is fixedly arranged in the right end face of the fixed plate 17, a circular groove 15 with a left opening is arranged in the fixed plate 17, the fixed plate 17 is convenient to hold by a hand, the right end of the adjusting device 100 is fixedly connected with the center of the fixed plate 17, the fixed plate 17 and the display screen 16 can swing left and right around the connecting device 101 through the adjusting device 100, so that the angle between glasses and the display screen 16 can be adjusted, and the adjusting device 100 can also rotate back and forth around the, further adjust the show angle of display screen 16, through connecting device 101 can make fixed plate 17 with the display screen 16 moves about, and then adjust eyes with distance between the display screen 16, be connected with strutting arrangement 102 between bracing piece 26 and the dwang 27 in the connecting device 101, work as bracing piece 26 with the dwang 27 is on same straight line and when keeping the level, strutting arrangement 102 can hold bracing piece 26 with the dwang 27 prevents bracing piece 26 with the dwang 27 rotates relatively, bracing piece 26 with the dwang 27 can be accomodate in accomodate the inslot 12, this moment adjusting device 100 left end with meshing connection can prevent between the connecting device 101 bracing piece 26 rotates.
According to the embodiment, the connecting device 101 is described in detail below, the connecting device 101 includes a through groove 24 penetrating through the fixing block 23 from top to bottom, the left end of the support rod 26 extends into the through groove 24, the front end and the rear end of the support rod 26 are fixedly connected with a connecting shaft 25, the front end and the rear end of the connecting shaft 25 are rotatably connected to the inner walls of the front side and the rear side of the through groove 24, a connecting groove 13 with a right opening is formed in the support rod 26, the left end of the rotating rod 27 extends into the connecting groove 13, the support device 102 is located in the connecting groove 13 and connected between the support rod 26 and the rotating rod 27, the right end of the rotating rod 27 is connected to the adjusting device 100, a transmission cavity 39 is symmetrically formed in the inner walls of the front side and the rear side of the through groove 24, and a sliding wheel 42, the internal limiting hole 46 with the opening facing the symmetry center is arranged in the sliding wheel 42, one end of the connecting shaft 25 on two sides, far away from the symmetry center, can be connected with the sliding wheel 42 through the limiting hole 46, at the moment, the sliding wheel 42 can limit the rotation of the connecting shaft 25, the internal thread hole 45 with the opening deviating from the symmetry center is arranged in the sliding wheel 42, the screw 43 is connected with the screw hole 45 in the internal thread way, the sliding wheel 42 is far away from the symmetry center, one side of the sliding wheel 42 is rotatably provided with the driven belt wheel 44, the driven belt wheel 44 is fixedly connected with the screw 43, the left side of the driven belt wheel 44 is rotatably provided with the driving belt wheel 40, the connecting belt 41 is connected between the driving belt wheel 40 and the driven belt wheel 44, the driving belt wheel 40 is fixedly connected with the symmetry shaft 21, the internal wall of the left side of the, the connecting gear 20 is rotatably arranged in the gear cavity 19, the supporting rod 26 is internally provided with a through cavity 47 which is vertically through and has a left opening, the left end of the adjusting device 100 can penetrate through the through cavity 47, extend into the limiting hole 22 and be meshed with the connecting gear 20, the front end of the symmetrical shaft 21 at the rear side is fixedly connected with the connecting gear 20 at the upper side, the rear end of the symmetrical shaft 21 at the front side is fixedly connected with the connecting gear 20 at the lower side, when the supporting rod 26 and the rotating rod 27 are accommodated in the accommodating groove 12, the left end of the adjusting device 100 is meshed with the connecting gear 20, the opening of the through cavity 47 faces downwards, the sliding wheel 42 is connected with the connecting shaft 25, the fixing plate 17 is pulled rightwards, the adjusting device 100 is pulled to slide rightwards and drive the connecting gear 20 to rotate, and the driving belt wheel 40 is driven to rotate by the symmetrical shaft 21, and then through the connecting band 41 drives driven pulleys 44 rotates, and then passes through screw 43 drives movable pulley 42 slide and with connecting axle 25 break away from the connection, this moment adjusting device 100 with connecting gear 20 breaks away from the meshing, this moment adjusting device 100 drives dwang 27 rotates, and then can drive bracing piece 26 winds connecting axle 25 rotates, up to bracing piece 26 with dwang 27 is in same straight line and keeps the level.
According to the embodiment, the supporting device 102 is described in detail below, the supporting device 102 includes a spring groove 28 penetrating from front to back in the rotating rod 27, the spring groove 28 is provided with the clamping shafts 14 symmetrically from front to back, the rotating rod 27 and the clamping shafts 14 can rotate relatively, one end of the clamping shaft 14 away from the center of symmetry passes through the supporting rod 26 and is connected with the supporting rod 26 in a sliding manner, a protrusion is provided on the circumferential surface of the clamping shaft 14, when the protrusion of the clamping shaft 14 abuts against the front and rear end surfaces of the rotating rod 27, the clamping shaft 14 and the rotating rod 27 can rotate relatively, the inner wall of the lower side of the spring groove 28 is provided with a clamping hole 48, when the supporting rod 26 and the rotating rod 27 are in the same straight line, the protrusion of the clamping shaft 14 can slide into the clamping hole 48, and at this time, the clamping shaft 14 and the rotating rod 27 cannot rotate relatively, the support rod 26 and the pivot rod 27 can be maintained in the same linear state.
Advantageously, a connecting spring 29 is connected between the clamping shaft 14 on both sides, and when the clamping shaft 14 and the rotating rod 27 can rotate relatively, the connecting spring 29 is in a stretching state.
According to the embodiment, the adjusting device 100 is described in detail below, the adjusting device 100 includes a connecting cavity 38 penetrating from top to bottom and having a right opening, the connecting cavity 38 is disposed in the rotating rod 27, a friction plate 31 is rotatably disposed in the connecting cavity 38, a fixing shaft 36 is fixedly connected in the friction plate 31, front and rear ends of the fixing shaft 36 are rotatably connected to inner walls of front and rear sides of the connecting cavity 38, a limiting rod 37 is fixedly connected to a left end of the friction plate 31, fixed racks 30 are fixedly disposed in upper and lower end surfaces of the limiting rod 37, the fixed racks 30 can be engaged with the connecting gear 20, a connecting block 35 is fixedly connected to a right end of the friction plate 31, a groove 32 having a right opening is disposed in the connecting block 35, a connecting rod 18 is rotatably connected in the groove 32, the right end of the connecting rod 18 is fixedly connected to the fixing plate 17, four sliding blocks 33 are distributed, a circular ring 34 is connected between the four sliding blocks 33, two buffer sliding blocks 50 are slidably arranged between the two sliding blocks 33, the two buffer sliding blocks 50 are respectively fixedly connected with a buffer spring 51 between the two sliding blocks 33, the buffer sliding blocks 50 are slidably connected with the circular ring 34, the two buffer sliding blocks 50 are always kept against under the elastic force of the buffer spring 51, the fixing plate 17 is held by a hand and rotates left and right, the connecting rod 18 drives the connecting block 35 and the friction plate 31 to rotate around the fixing shaft 36, the fixing plate 17 rotates back and forth, the connecting rod 18 is driven to rotate, the connecting block 35 cannot rotate, the sliding blocks 33 are driven by the connecting rod 18 to rotate, and one of the two buffer springs 51 between the two sliding blocks 33 can contract, when the fixed plate 17 and the connecting rod 18 stop rotating, under the action of the elastic force of the buffer spring 51, the two buffer sliding blocks 50 vibrate between the two sliding blocks 33, so that the connecting rod 18 and the fixed plate 17 can be prevented from rotating too fast.
Advantageously, the connecting cavity 38 is symmetrically and fixedly provided with clamping holes 49 in the inner walls at the front and rear sides, the friction plate 31 and the clamping holes 49 rub against each other, and when the fixing plate 17 is released, the friction plate 31 cannot rotate with the rotating rod 27 under the action of the friction force between the friction plate 31 and the clamping holes 49.
The following detailed description of the usage steps of a circular display stand in this document is provided with reference to fig. 1 to 9:
initially, the support rod 26 and the rotation rod 27 are accommodated in the accommodating groove 12, the sliding wheel 42 is connected to the connecting shaft 25, the clamping shaft 14 is not connected to the rotation rod 27, the fixing rack 30 is engaged with the connecting gear 20, the distance between the eyes and the display screen 16 is farthest, and the fixing plate 17 is not rotatable.
When the device is used, the fixing plate 17 is pulled by hand, the fixing plate 17 is pulled to slide rightwards, the limiting rod 37 is driven to slide rightwards through the connecting rod 18, the connecting block 35 and the friction plate 31, the connecting gear 20 is driven to rotate through the fixing rack 30, the driving belt wheel 40 is driven to rotate through the symmetrical shaft 21, the driven belt wheel 44 is driven to rotate through the connecting belt 41, the sliding wheel 42 is driven to slide through the screw 43, the sliding wheel 42 is further disconnected from the connecting shaft 25, the fixing rack 30 is disconnected from the connecting gear 20, the friction plate 31 drives the rotating rod 27 to swing through the fixing shaft 36, the supporting rod 26 is driven to rotate around the connecting shaft 25 through the fixing plate 17 until the supporting rod 26 is in the same straight line and kept horizontal, the clamping shaft 14 slides into the spring groove 28 under the elastic force of the connecting spring 29, and the bulge of the clamping shaft 14 is connected with, at this time, the support rod 26 and the rotation rod 27 are not rotated relatively through the clamping shaft 14, and the distance between the eyes and the display screen 16 is shortened.
Hold fixed plate 17 and the rotation of controlling, and then drive connecting rod 18, connecting block 35 and friction plate 31 rotate around fixed axle 36, and then adjust the angle between eyes and display screen 16, loosen fixed plate 17 this moment, under the frictional force effect of friction plate 31 and card hole 49, friction plate 31 can not rotate, hold fixed plate 17 and rotate from beginning to end, and then drive connecting rod 18 and rotate, connecting block 35 can not rotate this moment, and then connecting rod 18 drives sliding block 33 and rotates, two buffer spring 51 between two sliding blocks 33 this moment, one can contract, one can stretch, when fixed plate 17 and connecting rod 18 stall, under buffer spring's 51 elasticity effect, two buffer slide block 50 vibrate between two sliding blocks 33, can avoid connecting rod 18 and fixed plate 17 to rotate too fast, adjust the angle that display screen 16 demonstrates this moment.
When it is necessary to restore the device to the initial state, the chucking shaft 14 is pulled and the fixing plate 17 is pushed leftward until the fixing rack 30 is engaged with the connecting gear 20 and the sliding wheel 42 is re-connected with the connecting shaft 25.
The invention has the beneficial effects that: the invention can automatically adjust the distance between the display and the eyes, thereby avoiding the rapid fatigue of the eyes caused by the eyes staring in front of the display for a long time in a close distance, and the display can rotate in a large angle, thereby being convenient to show the content displayed by the display to other people.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.