Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the multifunctional drawing table for the indoor design of the environment art design professional building, which is convenient for adjusting the angle of the drawing table, can also be used for micro-adjusting the adjusted angle after the adjustment is finished, ensures the precision of the adjusted angle of the drawing table and accords with the best drawing angle.
In order to achieve the purpose, the invention adopts the following technical scheme that the multifunctional drawing table for the indoor design of the environment art design professional building comprises a supporting frame body, a supporting leg, a long sliding hole and a short sliding hole, a driving shaft and a driven shaft, wherein the supporting leg is fixedly arranged at the bottom of the supporting frame body;
a lead screw is movably connected in the supporting frame, a lead screw nut is connected to the lead screw in a threaded manner, a connecting block fixedly connected with the lead screw nut is arranged above the lead screw nut, a pushing block is fixedly connected to one side, close to the driving shaft, of the connecting block, the pushing block is fixedly connected with a sleeve block sleeved in the middle of the driving shaft through an extension spring, and a lead screw driving device for driving the lead screw to rotate is movably connected to the lead screw;
a lifting pulley is movably connected at the end part close to the driving shaft, a first side pulley is fixedly arranged on one side of the lifting pulley, a second side pulley is fixedly arranged on the inner wall of the supporting frame body opposite to the first side pulley, and a pull rope self-rolling device is fixedly arranged on the side edge of the supporting frame body opposite to the second side pulley;
an angle adjusting body is arranged in the supporting frame body close to one end of the short sliding hole and is positioned right above the lead screw, a plurality of pull rope pulling devices and a pull rope locking device are arranged on the angle adjusting body side by side, and the pull rope locking device is close to one side of the pull rope self-winding device;
the end part of the pull rope pulled out from the pull rope self-winding device sequentially passes through the pull rope locking device and the pull rope pulling devices and is fixedly connected with the sleeve block by bypassing the second side pulley, the first side pulley and the lifting pulley.
The end part of the angle adjusting body is provided with a plurality of compression holes in parallel, two sides of each compression hole are symmetrically provided with a slide rail groove parallel to the central line of the compression hole, and the bottom of each slide rail groove is provided with an arc-shaped clamping groove communicated with the slide rail groove;
the pull rope pulling device comprises a pressing rod fixedly inserted into the compression hole, a sliding block matched with the sliding rail groove is arranged at the end part of the pressing rod positioned in the compression hole, when the sliding block is positioned at the bottom of the sliding rail groove, the pressing rod is rotated, the sliding block enters the arc-shaped clamping groove to be clamped, and the bottom of the pressing rod is fixedly connected with the bottom of the compression hole through a compression spring;
the end part of the compression hole external compression rod penetrates through the end face of the supporting frame body and is fixedly connected with a rotary pressing plate arranged outside the supporting frame body, and a penetrating compression rod and a threading hole for a pull rope to penetrate are arranged on the circumferential surface of the compression rod.
The pull rope locking device comprises a locking body fixedly arranged at the end part of the angle adjusting body, a locking compression cavity arranged in the locking body, a locking compression rod inserted in the locking compression cavity, a circular baffle plate fixedly arranged on the locking compression rod positioned in the locking compression cavity, a locking spring sleeved on the locking compression rod between the circular baffle plate and the top of the locking compression cavity, and two ends of the locking spring are fixedly connected with the circular baffle plate and the top of the locking compression cavity respectively;
the end part of the locking compression rod positioned outside the locking compression cavity extends out of the supporting frame body and is fixedly connected with a locking pressing plate arranged outside the supporting frame body;
the two sides of the locking compression cavity are provided with mutually parallel compression chutes, the side edge of the bottom of each compression chute is provided with a locking clamping groove communicated with the corresponding compression chute, and the circumferential surface of the circular baffle plate is symmetrically provided with locking sliding blocks which slide in a matched manner with the compression chutes;
the bottom of the locking compression cavity is provided with a locking rope hole which penetrates through the circumferential surface of the locking body, and the bottom of the locking compression rod penetrates through a pull rope in the locking rope hole to be pressed into a bottom pull rope of the locking compression cavity for locking.
The screw rod driving device comprises a driven bevel gear fixedly connected to the screw rod and a driving bevel gear meshed with the driven bevel gear, a driving shaft fixedly connected to the driving bevel gear is movably connected with a bearing seat fixedly arranged at the bottom of the supporting frame body, a driving gear is fixedly arranged on the driving shaft, a driving gear chain meshed with the driving gear is wound on the driving gear, and the end of the driving gear chain extends out of the supporting frame body.
The fixed pulley is movably arranged in the threading hole, and the pull rope penetrating through the threading hole is positioned in the pulley groove of the fixed pulley.
The bottom of the locking compression cavity is provided with a compression groove, the end part of the locking compression rod is provided with a circular convex head matched with the compression groove, and the circular convex head is fixedly provided with a plurality of bulges.
The stay cord is from rolling up the device and including the fixed box that rolls up of establishing at the braced frame, from the internal fixed connecting axle that is equipped with of rolling up the box, the cover is equipped with the stay cord from the reel on the connecting axle, the stay cord passes through clockwork spring fixed connection from the inner wall of reel and the outer terminal surface of connecting axle, and this stay cord passes the stay cord through-hole that is equipped with on the box terminal surface of rolling up certainly from the tip of the winding stay cord on the reel.
And a pull rope ejector rod is fixedly arranged among the pull rope pulling devices, and the top of the pull rope ejector rod is parallel to the pull rope penetrating through the pull rope pulling devices.
The sleeve block is fixedly connected with a stable block fixedly connected with the pull rope, and two ends of the stable block are fixedly connected with the side edge of the supporting frame body through telescopic pipes.
The end part of the supporting frame body is provided with a groove which is sunken towards the inside of the supporting frame body, and the locking pressing plate and the rotating pressing plate are positioned in the groove.
The invention has the beneficial effects that: can drive the lead screw through the lead screw drive arrangement who is equipped with and rotate, and then drive lead screw nut and drive and move along the lead screw, it removes to promote the collets, and then promote the driving shaft and remove the angle that changes the drawing platform, after accomplishing first adjustment, then through stay cord pulling device pulling stay cord and then pulling driving shaft, make the driving shaft remove, the angle to the drawing platform finely tunes, the angle of guaranteeing the drawing platform can reach best angle, make designer more comfortable when drawing the drawing, the design drawing more accurate of drawing, when the adjustment to the drawing platform, adjust through the mode of manual pressing or pulling, it is more convenient.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1, 2 and 3, the multifunctional drawing table for indoor design of the environmental art design professional building comprises a supporting frame body 1, supporting legs 7 fixedly arranged at the bottom of the supporting frame body 1, long sliding holes 4 and short sliding holes 6 which are arranged at the front end and the rear end of the side surface of the supporting frame body 1 and are parallel to each other in pairs, a driving shaft 9 arranged between the long sliding holes 4 which are parallel to each other, a driven shaft 5 arranged between the short sliding holes 6 which are parallel to each other, a drawing table 2 arranged at an opening at the upper end of the supporting frame body 1, the front end and the rear end of the bottom of the drawing table 2 are respectively movably connected with the driving shaft 9 and the driven shaft 5 through connecting rods 3, and the length of the connecting rods 3 between the driving shaft 9 and the drawing table 2 is greater; the driven shaft 5 can rotate along the short sliding hole, the drawing table 2 is guaranteed to rotate along the driven shaft, the driving shaft 9 can move along the long sliding hole, the other end of the drawing table is supported through the connecting rod 3, the height of the end portion of the drawing table is guaranteed through the moving distance of the driving shaft, the angle of the drawing table is further guaranteed, meanwhile, the driving shaft can rotate in the moving process of the long sliding hole, the drawing table is guaranteed to be supported, in the connecting process, one end of the connecting rod is fixedly connected with the driving shaft, the other end of the connecting rod is hinged to the bottom of the drawing table 2, and meanwhile, a drawing pen box 8 for storing drawing pens is arranged at the bottom of the supporting frame body 1;
as shown in fig. 2, a lead screw 25 is movably connected in the supporting frame 1, a lead screw nut 24 is connected to the lead screw 25 in a threaded manner, a connecting block 23 fixedly connected with the lead screw nut 24 is arranged above the lead screw nut 24, a push block 22 is fixedly connected to one side of the connecting block 23 close to the driving shaft 9, the push block 22 is fixedly connected with a sleeve block 20 sleeved in the middle of the driving shaft 9 through a tension spring 21, and a lead screw driving device for driving the lead screw to rotate is movably connected to the lead screw 25; the sleeve block 20 is sleeved on the driving shaft 9, so that the driving shaft can be ensured to rotate in the pushing process; the stay cord spring 21 that is equipped with can guarantee that the stay cord can effectual pulling driving shaft take place to remove, when the lead screw upset, can pull the opposite direction of initiative axial and take place to remove simultaneously.
As shown in fig. 5 and 6, the screw driving device includes a driven bevel gear 26 fixedly connected to the screw 25, and a driving bevel gear 27 engaged with the driven bevel gear 26, a driving shaft 28 fixedly connected to the driving bevel gear 27 is movably connected to a bearing seat 29 fixedly provided at the bottom of the support frame 1, a driving gear 30 is fixedly provided on the driving shaft 28, a driving gear chain 31 engaged with the driving gear 30 is wound on the driving gear 30, and an end of the driving gear chain 31 extends out of the support frame 1.
Specifically, when the driving shaft is driven to move, the driving toothed chain 31 is pulled, the driving toothed chain 31 drives the driving gear to rotate, the driving gear is fixedly connected to the driving shaft 28 and further drives the driving shaft to rotate, the driving bevel gear 27 fixed on the driving shaft 28 drives the driven bevel gear 26 to rotate, the driven bevel gear 26 drives the lead screw to rotate, and further the driving nut moves on the lead screw, the driving nut drives the connecting block to move, two ends of the moving block are movably connected with two sides of the inner wall of the supporting frame body 1 to ensure that the moving block can stably move, the moving block drives the push block 22 to move, the push block pushes the driving shaft to move through the stay cord spring 21 and further drives the drawing table to lift, the angle of the drawing table is adjusted by driving the lead screw driving device, and the basic angle of the drawing, after the basic angle is adjusted, the angle of the drawing table is accurately adjusted through a micro-adjusting device;
specifically, a lifting pulley 11 is movably connected to the end part close to the driving shaft 9, a first side pulley 13 is fixedly arranged on one side of the lifting pulley 11, a second side pulley 14 is fixedly arranged on the inner wall of the supporting frame body 1 opposite to the first side pulley 13, and a pull rope self-winding device 17 is fixedly arranged on the side edge of the supporting frame body 1 opposite to the second side pulley 14;
an angle adjusting body 18 is arranged in the supporting frame body 1 close to one end of the short sliding hole 6, the angle adjusting body 18 is positioned right above the lead screw 25, a plurality of pull rope pulling devices 15 and a pull rope locking device 16 are arranged on the angle adjusting body 18 side by side, and the pull rope locking device 16 is close to the pull rope self-winding device 17;
the end of the pulling rope 12 pulled out from the pulling rope self-winding device 17 passes through the pulling rope locking device 16 and the pulling rope pulling devices 15 in sequence and is fixedly connected with the sleeve block 20 by being wound around the second side pulley 14, the first side pulley 13 and the lifting pulley 11.
During design, the distance of each pull rope pulling device 15 for pulling the pull rope is calculated according to the adjustment amount of each pulling device for the angle of the drawing table, if the angle adjusted by each pull rope pulling device 15 is 1 degree, during calculation, the distance of the pull rope pulled by each pull rope pulling device 15 determines the moving distance of the driving shaft, the length of the connecting rod and the length of the drawing table are not changed, the relation between the angle required to be adjusted and the distance of the pull rope pulled by each pull rope pulling device 15 is calculated according to the strand-hooking law, and then the angle of each pull rope pulling device for pulling the pull rope for fine adjustment is determined;
when the angle adjusting device is used, when the angle of the drawing table is adjusted through the lead screw driving device, fine adjustment is needed, and according to the angle to be adjusted, a plurality of pull rope pulling devices 15 are needed to change the angle, if the pulling angle of each pull rope driving device is 1 degree, fine adjustment is needed to be 3 degrees, the angle of the drawing table is adjusted through three pull rope pulling devices 15, if the fine adjustment angle is larger than the angle adjusted by the existing pull rope driving devices, the side is adjusted through the lead screw driving device, the lead screw driving device and the pull rope pulling devices are matched with each other to adjust the angle of the drawing table, the accuracy of angle adjustment of the drawing table is ensured, the drawing table used by a designer is more man-machine-made, and meanwhile, the drawn drawing is more accurate;
the pull rope locking device can ensure that the pull rope in the pull rope self-winding device cannot be pulled out when the pull rope pulling device pulls the pull rope.
When the drawing table is used, the lead screw device is driven to drive the drawing table to perform primary angle adjustment, and the pull rope self-rolling device can change the length of the pull rope 12 during primary adjustment;
as shown in fig. 7, the rope self-winding device 7 includes a self-winding case 1701 fixedly provided in the support frame 1, a connecting shaft 1702 is fixedly provided in the self-winding case 1701, a rope self-winding tube 1704 is fitted over the connecting shaft 1702, the inner wall of the rope self-winding tube 1704 is fixedly connected to the outer end face of the connecting shaft 1702 by a winding spring 1703, and the end of the rope 12 wound around the rope self-winding tube 1704 passes through a rope through hole 1705 provided in the end face of the self-winding case 1701. The stay cord 12 is wound on the stay cord self-winding drum 1704, and the clockwork spring 1703 is in the state of locking this moment, and when the stay cord was pulled out from the stay cord self-winding device 7, the clockwork spring was in the state of rolling up simultaneously, when guaranteeing not to be pulled out, the automatic winding of stay cord was on the stay cord is from the reel.
When carrying out the fine setting, at first lock the stay cord through stay cord locking device, guarantee when through stay cord pulling device, the stay cord among the stay cord automatic-winding device can not pulled out, with stay cord locking back, carries out effectual fine setting through stay cord pulling device to the angle of drawing bench, guarantees that its angle that accords with the drawing bench makes its demand that satisfies the designer.
Example 2
On the basis of embodiment 1, in order to ensure that the length of the pull rope can be conveniently adjusted and the pull rope can be ensured to be locked during adjustment, specifically, as shown in fig. 4 and 10, a plurality of compression holes 1801 are arranged in parallel at the end of the angle adjusting body 18, slide rail grooves 1802 parallel to the center lines of the compression holes 1801 are symmetrically arranged at two sides of the compression holes 1801, and arc-shaped clamping grooves 1803 communicated with the slide rail grooves 1802 are arranged at the bottoms of the slide rail grooves 1802;
as shown in fig. 8, the pull-cord pulling device 15 includes a pressing rod 1501 fixedly inserted into the compression hole 1801, the end of the pressing rod 1501 located at the compression hole 1801 is provided with a slider 1502 matched with the slide rail slot 1802, and when the slider 1502 is located at the bottom of the slide rail slot 1802, the pressing rod 1501 is rotated, the slider 1502 enters the arc-shaped clamping slot 1803 to be clamped, and the bottom of the pressing rod 1501 is fixedly connected with the bottom of the compression hole 1801 through a compression spring 1506;
the end of a pressure lever 1501 outside the compression hole 1801 penetrates through the end face of the support frame 1 and is fixedly connected with a rotary pressing plate 1503 arranged outside the support frame 1, and a threading hole 1504 for a pull rope 12 to pass through is arranged on the circumferential surface of the pressure lever 1501.
When carrying out angle modulation, depression bar 1501 pushes down, depression bar 1501 drives the stay cord and moves in to compression hole 1801 this moment, and then remove through stay cord pulling driving shaft, it is bottom compression hole 1801 to be located the bottom as the depression bar, rotate the depression bar through rotating the pressure plate, the slider inserts in arc draw-in groove 1803, fix the depression bar, the assurance is to the pulling of stay cord, the completion carries out micro-adjustment to the angle of drawing board, according to the angle of adjustment, confirm to press depression bar 1501 number, after accomplishing the drawing, the upset depression bar, compression spring promotes the depression bar and outwards moves to the compression hole, the stay cord of compressed is straightened, the pristine condition of reply.
When the pulling rope is pulled by the pulling rope pulling device, the pulling rope is locked by the pulling rope locking device 16, so that the pulling rope is prevented from being pulled out from the winding device when the pulling rope pulling device pulls the pulling rope, specifically, as shown in fig. 9, the pulling rope locking device 16 comprises a locking body 1601 fixedly arranged at the end of the angle adjusting body 18, a locking compression cavity 1603 arranged in the locking body 1601, a locking compression rod 1605 inserted in the locking compression cavity 1603, a circular baffle 1610 is fixedly arranged on the locking compression rod 1605 positioned in the locking compression cavity 1603, a locking spring 1611 is sleeved on the locking compression rod 1605 between the circular baffle 1610 and the top of the locking compression cavity 1603, and two ends of the locking spring 1611 are fixedly connected with the circular baffle 1601610 and the top of the locking compression cavity 1603 respectively;
the end of the locking compression rod 1605 positioned outside the locking compression cavity 1603 extends to the outside of the supporting frame 1 and is fixedly connected with a locking pressing plate 1602 arranged outside the supporting frame 1;
two sides of the locking compression cavity 1603 are provided with compression sliding chutes 1607 which are parallel to each other, the side edge of the bottom of each compression sliding chute 1607 is provided with a locking clamping groove 1608 communicated with the compression sliding chute 1607, and the circumferential surface of the circular baffle 1610 is symmetrically provided with locking sliding blocks 1609 which slide in a matched manner with the compression sliding chutes 1607;
the bottom of the locking compression chamber 1603 is provided with a locking rope hole 1604 penetrating through the circumferential surface of the locking body 1601, and the bottom of the locking pressure rod 1605 presses the pulling rope 12 penetrating through the locking rope hole 1604 to the bottom pulling rope 12 of the locking compression chamber 1603 for locking.
Specifically, when the angle of the drawing table needs to be adjusted, the locking compression rod 1605 is pressed downwards into the compression cavity, at this time, the end of the locking compression rod presses the pull rope passing through the locking rope hole 1604 to the bottom of the compression locking cavity 1603 (when the locking compression rod is pressed downwards, the locking spring is stretched), then the locking pressing plate 1602 is rotated to clamp the locking slider in the locking clamping groove, so that the locking compression rod is fixedly connected with the locking body, the pull rope is locked, and the pull rope is prevented from being pulled out from the pull rope in the winding device when the angle of the drawing table is adjusted; in order to avoid pulling the driving shaft to move when the pull rope is locked, the locking rope hole is positioned at the bottom of the locking compression cavity, so that the pull rope cannot be pulled when the locking compression rod compresses the pull rope, and meanwhile, in order to ensure that the pull rope is locked, the pull rope pulling device 15 cannot pull the pull rope at the locking end when the pull rope is pulled; the bottom of the locking compression cavity 1603 is provided with a compression groove, the end of the locking compression rod 1605 is provided with a circular convex head matched with the compression groove, and a plurality of bulges are fixedly arranged on the circular convex head.
When the angle of the drawing table is adjusted by the pull rope pulling device after the pull rope is locked, firstly, the angle of the drawing table is adjusted by a pull rope pulling device close to the end of the pull rope locking device, the pull rope pulling devices are pressed in sequence according to the required angle, so that the effective adjustment of the angle of the drawing table is ensured, the adjustment is more convenient, when the drawing is finished or the drawing angle does not meet the required best drawing angle, the pull rope pulling device is reset, then the locking pressure rod is reversely rotated, the locking slide block enters the pressing chute 1607, the stretched locking spring needs to be reset, the locking pressure rod is pushed to go upwards, the pull rope is loosened, at the moment, when the driving shaft is driven to move by the lead screw driving device, the pull rope is unwound by the pull rope self-winding device when being pulled, and the pull rope self-winding device automatically winds the pull rope when the pull rope is loosened.
Further, in order to ensure that the rope is freely pulled in the threading hole 1504 and the friction force between the rope and the threading hole 1504 is not too large, a fixed pulley 1505 is movably arranged in the threading hole 1504, and the rope 12 passing through the threading hole 1504 is positioned in a pulley groove of the fixed pulley 1505. Can guarantee the stay cord that passes in the through wires hole 1504 through the fixed pulley that is equipped with more convenient when the pulling, long-time pulling stay cord can not lead to the stay cord to be worn and torn simultaneously.
Meanwhile, in order to ensure that the pulling displacement of the pulling rope pulling device 15 can reach the required length when the pulling rope is pulled, a pulling rope push rod 1804 is fixedly arranged among the pulling rope pulling devices 15, and the top of the pulling rope push rod 1804 is level with the pulling rope 12 penetrating through the pulling rope pulling devices 15. The displacement of the rope 12 pulled by the rope pulling means 15 can be adjusted according to the height of the rope push rod 1804.
Further, in order to ensure that the stay cord is more stable when the driving shaft is pulled to move, a stable block 10 fixedly connected with the stay cord 12 is fixedly connected to the sleeve block 20, and two ends of the stable block 10 are fixedly connected with the side edge of the supporting frame body 1 through a telescopic sleeve 19.
Further, in order to ensure the integrity of the whole device and simultaneously facilitate the adjustment of the drawing table, a groove 101 recessed into the supporting frame 1 is provided at the end of the supporting frame 1, and the locking pressing plate 1602 and the rotating pressing plate 1503 are located in the groove 101.
The intelligent control detection can be realized, and the maximum convenience is provided for the detection. The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, and all designs identical or similar to the present invention are within the scope of the invention.