CN109572312B - Drawing board that multi freedom is adjustable - Google Patents
Drawing board that multi freedom is adjustable Download PDFInfo
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- CN109572312B CN109572312B CN201910060183.9A CN201910060183A CN109572312B CN 109572312 B CN109572312 B CN 109572312B CN 201910060183 A CN201910060183 A CN 201910060183A CN 109572312 B CN109572312 B CN 109572312B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/18—Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases
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Abstract
The invention relates to a drawing board, in particular to a multi-degree-of-freedom adjustable drawing board, which comprises a drawing board body, a drawing board fixing mechanism, a drawing board supporting mechanism, a drawing board height fixing mechanism, a drawing board angle adjusting mechanism and a base plate, wherein the drawing board body is connected to the drawing board fixing mechanism; one end of the drawing board fixing mechanism is connected to the drawing board supporting mechanism, and the other end of the drawing board fixing mechanism is connected to the drawing board angle adjusting mechanism; the drawing board angle adjusting mechanism is connected to the drawing board supporting mechanism; one end of the drawing board height fixing mechanism is connected to the drawing board angle adjusting mechanism, and the other end of the drawing board height fixing mechanism is connected to the base plate; the lower end of the drawing board supporting mechanism is connected to the base plate. The height and the inclination angle of the internal drawing board body can be adjusted, so that the drawing board is convenient for meeting the drawing requirements of different users or the drawing requirements of the users in different states.
Description
Technical Field
The invention relates to a drawing board, in particular to a drawing board with adjustable multiple degrees of freedom.
Background
Drawing: in technical terms, the method is to use a surface as a supporting surface and add color on the supporting surface, the surface can be paper or cloth, and the color adding tool can be a painting brush, a sponge or a cloth strip and the like. At the level of artistic expression, drawing meaning also includes the use of the artistic act in combination with graphics, picture composition and other aesthetic methods to achieve the concept and meaning that the artist wishes to express. Generally, a drawing board is needed in drawing, the quality of the drawing board can often determine the quality of a picture, and the existing drawing board cannot be adjusted and cannot meet the defects of drawing at various angles.
Disclosure of Invention
The invention aims to provide a drawing board with adjustable multiple degrees of freedom, which can effectively solve the problem that the existing drawing board cannot be adjusted at multiple angles; the height and the inclination angle of the internal drawing board body can be adjusted, so that the drawing board is convenient for meeting the drawing requirements of different users or the drawing requirements of the users in different states.
The purpose of the invention is realized by the following technical scheme:
a drawing board with adjustable multiple degrees of freedom comprises a drawing board body, a drawing board fixing mechanism, a drawing board supporting mechanism, a drawing board height fixing mechanism, a drawing board angle adjusting mechanism and a base plate, wherein the drawing board body is connected to the drawing board fixing mechanism; one end of the drawing board fixing mechanism is connected to the drawing board supporting mechanism, and the other end of the drawing board fixing mechanism is connected to the drawing board angle adjusting mechanism; the drawing board angle adjusting mechanism is connected to the drawing board supporting mechanism; one end of the drawing board height fixing mechanism is connected to the drawing board angle adjusting mechanism, and the other end of the drawing board height fixing mechanism is connected to the base plate; the lower end of the drawing board supporting mechanism is connected to the base plate.
The drawing board fixing mechanism comprises a first adjusting block, a bidirectional screw, a door-shaped rod frame, a second adjusting block, an external threaded shaft, an L-shaped frame, a chute box, an L-shaped sliding rod and a limiting sliding block; the first adjusting block is fixedly connected to the middle end of the bidirectional screw; the bidirectional screw is connected to the door-shaped rod frame in a rotating fit manner through a bearing with a seat; the second adjusting block is fixedly connected to the top end of the external thread shaft, and the external thread shaft is rotatably connected to the door-shaped rod frame through a bearing with a seat; the left end and the right end of the bidirectional screw rod are respectively connected to an L-shaped frame through threads, and the two L-shaped frames are arranged oppositely; the inner sides of the two L-shaped frames are respectively provided with a drawing board slot; the drawing board body is connected to the inner sides of the two drawing board slots in a sliding fit manner; the rear ends of the two L-shaped frames are respectively fixedly connected with the outer ends of the L-shaped sliding rods, the inner ends of the two L-shaped sliding rods are respectively connected with the left end and the right end of the inner side of the chute box in a sliding fit mode, and the inner ends of the two L-shaped sliding rods are respectively fixedly connected with a limiting sliding block; the two limiting slide blocks are connected in a limiting groove on the top surface of the sliding groove box in a sliding fit manner; the lower end of the external thread shaft is connected to the drawing board supporting mechanism through threads; the chute box is fixedly connected to the drawing board angle adjusting mechanism.
And a left-handed thread is arranged on the rod body at one end of the bidirectional screw, and a right-handed screw is arranged on the rod body at the other end of the bidirectional screw.
The external thread shaft is fixedly connected with two axial retaining rings, and the two axial retaining rings are respectively connected to the top surface and the bottom surface of the portal rod frame in a sliding fit manner.
The drawing board supporting mechanism comprises a lifting support column, a fixed sleeve, a compression spring and a lifting slide block, wherein the top surface of the lifting support column is provided with an internal thread groove; the lower end of the external thread shaft is connected in an internal thread groove on the top surface of the lifting support through threads; the lifting support is connected in the fixed sleeve in a sliding fit manner, the compression spring is arranged in the fixed sleeve, and the compression spring is positioned between the lifting support and the fixed sleeve; the lifting slide block is fixedly connected to the lower end of the lifting support column and is connected in a longitudinal slide hole in the fixed sleeve in a sliding fit manner; the lower end of the fixed sleeve is fixedly connected to the base plate.
The drawing board angle adjusting mechanism comprises a lifting support plate, an angle adjusting disc, an angle adjusting screw rod, a horizontal sliding block, a push-pull frame, a push-pull shaft and a sliding hole frame; the front end of the lifting supporting plate is fixedly connected to the upper end of the lifting support column; a horizontal sliding hole is formed in the lifting supporting plate; the angle adjusting plate is fixedly connected to the rear end of the angle adjusting screw rod, and the angle adjusting screw rod is connected to the front end and the rear end of the horizontal sliding hole in a rotating fit manner; the horizontal sliding block is connected in the horizontal smooth hole in a sliding fit manner; the angle adjusting screw is connected to the horizontal sliding block through threads; the horizontal sliding block is fixedly connected with the lower end of the push-pull frame, and the upper end of the push-pull frame is fixedly connected with the push-pull shaft; the push-pull shaft is connected in a sliding hole of the sliding hole frame in a sliding fit manner; the upper end of the slide hole frame is fixedly connected to the slide groove box.
The drawing board height fixing mechanism comprises a handle, a pull rod, a guide seat, a pull block, a door-shaped positioning frame, a positioning insertion block and an insertion hole plate; the two guide seats are respectively and fixedly connected to the left end and the right end of the lifting supporting plate; the front side of the guide seat is provided with a front sliding chute, and the outer side of the guide seat is provided with a side sliding chute; the handle is positioned at the front end of the lifting supporting plate; the rear end of the handle is fixedly connected with a left pull rod and a right pull rod, the rear ends of the two pull rods are respectively connected in the front sliding grooves of the two guide seats in a sliding fit manner, the rear ends of the two pull rods are respectively fixedly connected with a pull block, and the two pull blocks are respectively connected in the side sliding grooves of the two guide seats in a sliding fit manner; the outer sides of the two pulling blocks are respectively and fixedly connected with the two ends of the upper side of the door-shaped positioning frame; the rear end of the lower side of the door-shaped positioning frame is fixedly connected with a positioning insertion block; the jack plate is provided with a plurality of positioning jacks which are uniformly arranged up and down, and the positioning jacks are connected into one positioning jack in a clearance fit manner; the jack plate is fixedly connected to the top surface of the base plate.
The drawing board height fixing mechanism further comprises an extension spring; the number of the extension springs is two; the front end and the rear end of the extension spring are respectively and fixedly connected to the rear side face of the pulling block and the rear side face of the interior of the guide seat.
The number of the positioning jacks on the jack plate is not less than nine.
The top surface of the base plate is provided with a left pedal groove and a right pedal groove.
The invention has the beneficial effects that: the drawing board with the adjustable multiple degrees of freedom can effectively solve the problem that the existing drawing board cannot be adjusted at multiple angles; the height and the inclination angle of the internal drawing board body can be adjusted, so that the drawing requirements of different users or the drawing requirements of the users in different states can be met conveniently; the drawing board body in the invention can be replaced, and the drawing board fixing mechanism can clamp and fix drawing board bodies with different sizes, so that the drawing board fixing mechanism is strong in practicability.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a first schematic structural view of an internal palette fixing mechanism of the present invention;
FIG. 4 is a second schematic structural view of an internal palette fixing mechanism of the present invention;
FIG. 5 is a schematic structural view of an internal palette support mechanism of the present invention;
FIG. 6 is a first schematic structural view of the internal palette height fixing mechanism of the present invention;
FIG. 7 is a second schematic structural view of the internal palette height fixing mechanism of the present invention;
FIG. 8 is a first schematic structural diagram of an angle adjustment mechanism of an internal drawing board according to the present invention;
FIG. 9 is a second schematic structural diagram of the internal palette angle adjustment mechanism of the present invention;
FIG. 10 is a schematic view of the construction of the internal base plate of the present invention;
fig. 11 is a partial structural schematic diagram of the internal palette height fixing mechanism of the present invention.
In the figure: a drawing board body 1; a drawing board fixing mechanism 2; a first adjusting block 2-1; 2-2 of a bidirectional screw; a door-shaped rod frame 2-3; a second adjusting block 2-4; 2-5 parts of an external thread shaft; 2-6 of an L-shaped frame; 2-7 of a chute box; 2-8 parts of an L-shaped sliding rod; 2-9 of a limiting slide block; a palette support mechanism 3; a lifting pillar 3-1; fixing a sleeve 3-2; 3-3 of a compression spring; 3-4 of a lifting slide block; a drawing board height fixing mechanism 4; 4-1 of a handle; 4-2 of a pull rod; 4-3 of a guide seat; 4-4 of a pulling block; 4-5 of a door-shaped positioning frame; 4-6 of positioning insertion blocks; 4-7 of a jack plate; 4-8 parts of an extension spring; a drawing board angle adjusting mechanism 5; 5-1 of a lifting supporting plate; an angle adjusting disc 5-2; 5-3 of an angle adjusting screw rod; 5-4 of a horizontal sliding block; 5-5 of a push-pull frame; 5-6 parts of a push-pull shaft; 5-7 of a slide hole frame; a base plate 6.
Detailed Description
The invention is described in further detail below with reference to fig. 1-11.
The first embodiment is as follows:
as shown in fig. 1-11, the drawing board with multiple degrees of freedom adjustable comprises a drawing board body 1, a drawing board fixing mechanism 2, a drawing board supporting mechanism 3, a drawing board height fixing mechanism 4, a drawing board angle adjusting mechanism 5 and a base plate 6, wherein the drawing board body 1 is connected to the drawing board fixing mechanism 2; one end of the drawing board fixing mechanism 2 is connected to the drawing board supporting mechanism 3, and the other end of the drawing board fixing mechanism 2 is connected to the drawing board angle adjusting mechanism 5; the drawing board angle adjusting mechanism 5 is connected to the drawing board supporting mechanism 3; one end of the drawing board height fixing mechanism 4 is connected to the drawing board angle adjusting mechanism 5, and the other end of the drawing board height fixing mechanism 4 is connected to the base plate 6; the lower end of the drawing board supporting mechanism 3 is connected to the base plate 6. When the drawing board with the adjustable multiple degrees of freedom is used, the drawing board body 1 can be replaced or detached, and a new drawing board body 1 is fixed through the drawing board fixing mechanism 2; it can also come to carry out suitable regulation to the angle of drawing board body 1 through drawing board fixed establishment 2 and drawing board supporting mechanism 3's cooperation, be convenient for satisfy user's demand, the regulation that carries out the angle to drawing board body 1 can also be controlled through drawing board angle adjustment mechanism 5, when needing to carry out the regulation of height, pulling drawing board height fixing mechanism 4 upwards behind the preceding drawing board height fixing mechanism 4, drawing board height fixing mechanism 4 drives drawing board body 1 through drawing board angle adjustment mechanism 5, the whole height of drawing board fixed establishment 2 and drawing board supporting mechanism 3 changes, thereby realize that drawing board body 1's height changes, then control drawing board height fixing mechanism 4 fix a position can.
The second embodiment is as follows:
as shown in fig. 1-11, the drawing board fixing mechanism 2 comprises a first adjusting block 2-1, a bidirectional screw 2-2, a door-shaped rod frame 2-3, a second adjusting block 2-4, an external thread shaft 2-5, an L-shaped frame 2-6, a chute box 2-7, an L-shaped sliding rod 2-8 and a limiting slide block 2-9; the first adjusting block 2-1 is fixedly connected to the middle end of the bidirectional screw 2-2; the bidirectional screw 2-2 is connected to the door-shaped rod frame 2-3 in a rotating fit manner through a bearing with a seat; the second adjusting block 2-4 is fixedly connected to the top end of the external thread shaft 2-5, and the external thread shaft 2-5 is rotatably connected to the door-shaped rod frame 2-3 through a bearing with a seat; the left end and the right end of the bidirectional screw rod 2-2 are respectively connected to an L-shaped frame 2-6 through threads, and the two L-shaped frames 2-6 are oppositely arranged; the inner sides of the two L-shaped frames 2-6 are respectively provided with a drawing board slot; the drawing board body 1 is connected to the inner sides of the two drawing board slots in a sliding fit manner; the rear ends of the two L-shaped frames 2-6 are respectively fixedly connected with the outer ends of the L-shaped slide bars 2-8, the inner ends of the two L-shaped slide bars 2-8 are respectively connected with the left end and the right end of the inner side of the chute box 2-7 in a sliding fit manner, and the inner ends of the two L-shaped slide bars 2-8 are respectively fixedly connected with a limiting slide block 2-9; the two limiting slide blocks 2-9 are connected in the limiting grooves on the top surfaces of the slide groove boxes 2-7 in a sliding fit manner; the lower ends of the external thread shafts 2-5 are connected to the drawing board supporting mechanism 3 through threads; the chute boxes 2-7 are fixedly connected to the drawing board angle adjusting mechanism 5.
And a left-handed thread is arranged on one end rod body of the bidirectional screw rod 2-2, and a right-handed screw rod is arranged on the other end rod body of the bidirectional screw rod 2-2.
The external thread shaft 2-5 is fixedly connected with two axial retaining rings which are respectively connected on the top surface and the bottom surface of the door-shaped rod frame 2-3 in a sliding fit manner.
When the drawing board fixing mechanism 2 is used, the first adjusting block 2-1 can be rotated to control the drawing board fixing mechanism 2 to clamp or disassemble the drawing board body 1; the first adjusting block 2-1 can drive the two-way screw 2-2 to rotate around the axis of the first adjusting block, the two-way screw 2-2 can drive the two L-shaped frames 2-6 to move oppositely or reversely when rotating, and the two L-shaped frames 2-6 can clamp or release the drawing board body 1; when the two L-shaped frames 2-6 move oppositely or reversely, the two L-shaped sliding rods 2-8 slide on the inner sides of the sliding groove boxes 2-7, and the limiting sliding blocks 2-9 can play a role in blocking and limiting, so that the two L-shaped sliding rods 2-8 are prevented from being separated from the sliding groove boxes 2-7; the L-shaped sliding rods 2-8 and the sliding groove boxes 2-7 are used for driving the two L-shaped frames 2-6 to move oppositely or reversely when being matched with the bidirectional screw 2-2 to rotate; when the second adjusting block 2-4 is rotated, the angle of the drawing board body 1 can be properly adjusted through the matching with the drawing board supporting mechanism 3; the second adjusting block 2-4 can drive the external thread shaft 2-5 to rotate around the axis of the second adjusting block, the external thread shaft 2-5 is matched with the drawing board supporting mechanism 3 to drive the door-shaped rod frame 2-3 to change in height when rotating, and the door-shaped rod frame 2-3 drives the two L-shaped frames 2-6 to change in inclination angle through the two-way screw 2-2, so that the inclination angle of the drawing board body 1 is driven to change.
The third concrete implementation mode:
as shown in fig. 1-11, the palette support mechanism 3 comprises a lifting pillar 3-1 with an internal thread groove on the top surface, a fixing sleeve 3-2, a compression spring 3-3 and a lifting slider 3-4; the lower end of the external thread shaft 2-5 is connected in an internal thread groove on the top surface of the lifting support 3-1 through threads; the lifting support 3-1 is connected in the fixed sleeve 3-2 in a sliding fit manner, the compression spring 3-3 is arranged in the fixed sleeve 3-2, and the compression spring 3-3 is positioned between the lifting support 3-1 and the fixed sleeve 3-2; the lifting slide block 3-4 is fixedly connected to the lower end of the lifting support 3-1, and the lifting slide block 3-4 is connected in a longitudinal slide hole in the fixed sleeve 3-2 in a sliding fit manner; the fixed sleeve 3-2 is fixedly connected to the base plate 6. When the drawing board supporting mechanism 3 is used and the external thread shaft 2-5 is rotated, the depth of the internal thread groove of the external thread shaft 2-5 inserted into the lifting support column 3-1 is changed, so that the height of the portal rod frame 2-3 is driven to change, the lifting support column 3-1 can slide in the fixing sleeve 3-2 and properly compress the compression spring 3-3 when the height is adjusted, the whole height of the drawing board supporting mechanism 3 is adjusted, and the lifting slide block 3-4 plays a role in blocking and limiting, so that the lifting support column 3-1 is prevented from being separated from the fixing sleeve 3-2.
The fourth concrete implementation mode:
as shown in fig. 1-11, the drawing board angle adjusting mechanism 5 comprises a lifting support plate 5-1, an angle adjusting disc 5-2, an angle adjusting screw 5-3, a horizontal slider 5-4, a push-pull frame 5-5, a push-pull shaft 5-6 and a slide hole frame 5-7; the front end of the lifting supporting plate 5-1 is fixedly connected to the upper end of the lifting support column 3-1; a horizontal sliding hole is formed in the lifting supporting plate 5-1; the angle adjusting disc 5-2 is fixedly connected to the rear end of the angle adjusting screw rod 5-3, and the angle adjusting screw rod 5-3 is connected to the front end and the rear end of the horizontal sliding hole in a rotating fit manner; the horizontal sliding block 5-4 is connected in the horizontal smooth hole in a sliding fit manner; the angle adjusting screw 5-3 is connected to the horizontal sliding block 5-4 through threads; the horizontal sliding block 5-4 is fixedly connected with the lower end of the push-pull frame 5-5, and the upper end of the push-pull frame 5-5 is fixedly connected with the push-pull shaft 5-6; the push-pull shaft 5-6 is connected in a sliding hole of the sliding hole frame 5-7 in a sliding fit manner; the upper ends of the slide hole frames 5-7 are fixedly connected to the slide groove boxes 2-7. When the drawing board angle adjusting mechanism 5 is used, the drawing board angle adjusting mechanism 5 can be adjusted by rotating the angle adjusting disc 5-2, the angle adjusting disc 5-2 can drive the angle adjusting screw 5-3 to rotate around the axis of the angle adjusting screw, the angle adjusting screw 5-3 can drive the horizontal sliding block 5-4 to slide in the front-back direction in the horizontal sliding hole of the lifting support plate 5-1 when rotating, the horizontal sliding block 5-4 can drive the push-pull frame 5-5 to move in the front-back direction when sliding in the front-back direction, the push-pull frame 5-5 can drive the push-pull shaft 5-6 to slide in the sliding hole of the sliding hole frame 5-7 when moving, the sliding hole frame 5-7 drives the sliding groove box 2-7 to move, and the sliding groove box 2-7 drives the inclination angles of the two L-shaped frames 2-6 to change through the two L-shaped sliding rods, thereby the angle that drives drawing board body 1 changes, realizes the regulation to drawing board body 1 angle, demand when satisfying different uses.
The fifth concrete implementation mode:
as shown in fig. 1-11, the drawing board height fixing mechanism 4 comprises a handle 4-1, a pull rod 4-2, a guide seat 4-3, a pull block 4-4, a door-shaped positioning frame 4-5, a positioning insertion block 4-6 and an insertion hole plate 4-7; two guide seats 4-3 are arranged, and the two guide seats 4-3 are respectively and fixedly connected to the left end and the right end of the lifting supporting plate 5-1; a front sliding groove is formed in the front side of the guide seat 4-3, and a side sliding groove is formed in the outer side of the guide seat 4-3; the handle 4-1 is positioned at the front end of the lifting supporting plate 5-1; the rear end of the handle 4-1 is fixedly connected with a left pull rod 4-2 and a right pull rod 4-2, the rear ends of the two pull rods 4-2 are respectively connected in a sliding fit manner in front sliding grooves of two guide seats 4-3, the rear ends of the two pull rods 4-2 are respectively fixedly connected with a pull block 4-4, and the two pull blocks 4-4 are respectively connected in a sliding fit manner in side sliding grooves of the two guide seats 4-3; the outer sides of the two pulling blocks 4-4 are respectively fixedly connected with the two ends of the upper side of the door-shaped positioning frame 4-5; the rear end of the lower side of the door-shaped positioning frame 4-5 is fixedly connected with a positioning insertion block 4-6; the jack plate 4-7 is provided with a plurality of positioning jacks which are uniformly arranged up and down, and the positioning plug blocks 4-6 are connected in one positioning jack in a clearance fit manner; the jack plates 4-7 are fixedly connected to the top surface of the base plate 6. When the drawing board height fixing mechanism 4 is used, the two pull rods 4-2 can be driven to slide in the two guide seats 4-3 by pulling the pull handle 4-1 forwards, the two pull rods 4-2 drive the door-shaped positioning frame 4-5 to move forwards through the two pull blocks 4-4, the door-shaped positioning frame 4-5 drives the positioning insertion block 4-6 to be separated from the insertion hole plate 4-7, then the pull handle 4-1 is controlled to move downwards or upwards, the lifting support plate 5-1 is driven to move upwards through the two guide seats 4-3, then the lifting support plate 5-1 drives the lifting support 3-1 to slide up and down in the fixing sleeve 3-2, the compression spring 3-3 is compressed when the lifting support 3-1 moves downwards, then the pull handle 4-1 is pushed backwards, the handle 4-1 controls the positioning insertion block 4-6 at the rear end of the door-shaped positioning frame 4-5 to be inserted into the positioning insertion hole of the insertion hole plate 4-7, so that the height is fixed.
The sixth specific implementation mode:
as shown in fig. 1 to 11, the palette height fixing mechanism 4 further includes an extension spring 4-8; two extension springs 4-8 are arranged; the front end and the rear end of the extension spring 4-8 are respectively and fixedly connected to the rear side surface of the pull block 4-4 and the rear side surface inside the guide seat 4-3. The arrangement of the extension springs 4-8 is convenient for assisting in driving the positioning insertion blocks 4-6 to be inserted into the positioning insertion holes of the insertion hole plates 4-7, and labor force of a user is reduced.
The seventh embodiment:
as shown in fig. 1 to 11, the number of the positioning insertion holes on the insertion hole plates 4 to 7 is not less than nine. The greater the number of positioning receptacles on the receptacle plates 4-7, the greater the angle that can be adjusted.
The specific implementation mode is eight:
as shown in FIGS. 1-11, two left and right pedal grooves are provided on the top surface of the base plate 6. The pedal groove is used for the foot of the user to step on the pedal groove when in adjustment, so as to prevent the invention from toppling when in adjustment.
The working principle of the invention is as follows: when the drawing board with the adjustable multiple degrees of freedom is used, the drawing board body 1 can be replaced or detached, and a new drawing board body 1 is fixed through the drawing board fixing mechanism 2; the angle of the drawing board body 1 can be properly adjusted through the matching of the drawing board fixing mechanism 2 and the drawing board supporting mechanism 3, the requirement of a user can be conveniently met, the angle adjustment of the drawing board body 1 can be controlled through the drawing board angle adjusting mechanism 5, when the height adjustment is needed, the drawing board height fixing mechanism 4 is pulled upwards after the drawing board height fixing mechanism 4 is pulled forwards, the drawing board height fixing mechanism 4 drives the whole height of the drawing board body 1, the drawing board fixing mechanism 2 and the drawing board supporting mechanism 3 to change through the drawing board angle adjusting mechanism 5, so that the height of the drawing board body 1 is changed, and then the drawing board height fixing mechanism 4 is controlled to be positioned; when the drawing board fixing mechanism 2 is used, the first adjusting block 2-1 can be rotated to control the drawing board fixing mechanism 2 to clamp or disassemble the drawing board body 1; the first adjusting block 2-1 can drive the two-way screw 2-2 to rotate around the axis of the first adjusting block, the two-way screw 2-2 can drive the two L-shaped frames 2-6 to move oppositely or reversely when rotating, and the two L-shaped frames 2-6 can clamp or release the drawing board body 1; when the two L-shaped frames 2-6 move oppositely or reversely, the two L-shaped sliding rods 2-8 slide on the inner sides of the sliding groove boxes 2-7, and the limiting sliding blocks 2-9 can play a role in blocking and limiting, so that the two L-shaped sliding rods 2-8 are prevented from being separated from the sliding groove boxes 2-7; the L-shaped sliding rods 2-8 and the sliding groove boxes 2-7 are used for driving the two L-shaped frames 2-6 to move oppositely or reversely when being matched with the bidirectional screw 2-2 to rotate; when the second adjusting block 2-4 is rotated, the angle of the drawing board body 1 can be properly adjusted through the matching with the drawing board angle adjusting mechanism 5; the second adjusting block 2-4 can drive the external thread shaft 2-5 to rotate around the axis of the second adjusting block, the external thread shaft 2-5 is matched with the drawing board supporting mechanism 3 to drive the height of the door-shaped rod frame 2-3 to change when rotating, and the door-shaped rod frame 2-3 drives the inclination angles of the two L-shaped frames 2-6 to change through the two-way screw 2-2, so that the inclination angle of the drawing board body 1 is driven to change; when the drawing board supporting mechanism 3 is used, when the external thread shaft 2-5 is rotated, the depth of the internal thread groove of the external thread shaft 2-5 inserted into the lifting support 3-1 is changed, so that the height of the portal rod frame 2-3 is driven to be changed, the lifting support 3-1 can slide in the fixing sleeve 3-2 and properly compress the compression spring 3-3 when the height is adjusted, so that the adjustment of the whole height of the drawing board supporting mechanism 3 is realized, and the lifting slide block 3-4 plays a role in blocking and limiting, so that the lifting support 3-1 is prevented from being separated from the fixing sleeve 3-2; when the drawing board angle adjusting mechanism 5 is used, the drawing board angle adjusting mechanism 5 can be adjusted by rotating the angle adjusting disc 5-2, the angle adjusting disc 5-2 can drive the angle adjusting screw 5-3 to rotate around the axis of the angle adjusting screw, the angle adjusting screw 5-3 can drive the horizontal sliding block 5-4 to slide in the front-back direction in the horizontal sliding hole of the lifting support plate 5-1 when rotating, the horizontal sliding block 5-4 can drive the push-pull frame 5-5 to move in the front-back direction when sliding in the front-back direction, the push-pull frame 5-5 can drive the push-pull shaft 5-6 to slide in the sliding hole of the sliding hole frame 5-7 when moving, the sliding hole frame 5-7 drives the sliding groove box 2-7 to move, and the sliding groove box 2-7 drives the inclination angles of the two L-shaped frames 2-6 to change through the two L-shaped sliding rods, thereby driving the angle of the drawing board body 1 to change, realizing the adjustment of the angle of the drawing board body 1 and meeting the requirements of different uses; when the drawing board height fixing mechanism 4 is used, the two pull rods 4-2 can be driven to slide in the two guide seats 4-3 by pulling the pull handle 4-1 forwards, the two pull rods 4-2 drive the door-shaped positioning frame 4-5 to move forwards through the two pull blocks 4-4, the door-shaped positioning frame 4-5 drives the positioning insertion block 4-6 to be separated from the insertion hole plate 4-7, then the pull handle 4-1 is controlled to move downwards or upwards, the lifting support plate 5-1 is driven to move upwards through the two guide seats 4-3, then the lifting support plate 5-1 drives the lifting support 3-1 to slide up and down in the fixing sleeve 3-2, the compression spring 3-3 is compressed when the lifting support 3-1 moves downwards, then the pull handle 4-1 is pushed backwards, the handle 4-1 controls the positioning insertion block 4-6 at the rear end of the door-shaped positioning frame 4-5 to be inserted into the positioning insertion hole of the insertion hole plate 4-7, so that the height is fixed.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (3)
1. The utility model provides an adjustable drawing board of multi freedom, includes drawing board body (1), drawing board fixed establishment (2), drawing board supporting mechanism (3), drawing board height fixing mechanism (4), drawing board angle modulation mechanism (5) and bed plate (6), its characterized in that: the drawing board body (1) is connected to the drawing board fixing mechanism (2); one end of the drawing board fixing mechanism (2) is connected to the drawing board supporting mechanism (3), and the other end of the drawing board fixing mechanism (2) is connected to the drawing board angle adjusting mechanism (5); the drawing board angle adjusting mechanism (5) is connected to the drawing board supporting mechanism (3); one end of the drawing board height fixing mechanism (4) is connected to the drawing board angle adjusting mechanism (5), and the other end of the drawing board height fixing mechanism (4) is connected to the base plate (6); the lower end of the drawing board supporting mechanism (3) is connected to the base plate (6);
the drawing board fixing mechanism (2) comprises a first adjusting block (2-1), a two-way screw (2-2), a door-shaped rod frame (2-3), a second adjusting block (2-4), an external thread shaft (2-5), an L-shaped frame (2-6), a sliding groove box (2-7), an L-shaped sliding rod (2-8) and a limiting sliding block (2-9); the first adjusting block (2-1) is fixedly connected to the middle end of the bidirectional screw (2-2); the bidirectional screw (2-2) is connected to the door-shaped rod frame (2-3) in a rotating fit manner through a bearing with a seat; the second adjusting block (2-4) is fixedly connected to the top end of the external thread shaft (2-5), and the external thread shaft (2-5) is rotatably connected to the portal rod frame (2-3) through a bearing with a seat; the left end and the right end of the bidirectional screw rod (2-2) are respectively connected to an L-shaped frame (2-6) through threads, and the two L-shaped frames (2-6) are arranged oppositely; the inner sides of the two L-shaped frames (2-6) are respectively provided with a drawing board slot; the drawing board body (1) is connected to the inner sides of the two drawing board slots in a sliding fit manner; the rear ends of the two L-shaped frames (2-6) are respectively fixedly connected with the outer ends of one L-shaped sliding rod (2-8), the inner ends of the two L-shaped sliding rods (2-8) are respectively connected with the left end and the right end of the inner side of the chute box (2-7) in a sliding fit mode, and the inner ends of the two L-shaped sliding rods (2-8) are respectively fixedly connected with one limiting sliding block (2-9); the two limiting slide blocks (2-9) are connected in the limiting grooves on the top surfaces of the slide groove boxes (2-7) in a sliding fit manner; the lower end of the external thread shaft (2-5) is connected to the drawing board supporting mechanism (3) through threads; the chute boxes (2-7) are fixedly connected to the drawing board angle adjusting mechanism (5);
a rod body at one end of the bidirectional screw (2-2) is provided with left-handed threads, and a rod body at the other end of the bidirectional screw (2-2) is provided with a right-handed screw;
the external thread shaft (2-5) is fixedly connected with two axial retaining rings which are respectively connected to the top surface and the bottom surface of the door-shaped rod frame (2-3) in a sliding fit manner;
the drawing board supporting mechanism (3) comprises a lifting support (3-1) with an internal thread groove on the top surface, a fixed sleeve (3-2), a compression spring (3-3) and a lifting slide block (3-4); the lower end of the external thread shaft (2-5) is connected in an internal thread groove on the top surface of the lifting support (3-1) through threads; the lifting support column (3-1) is connected in the fixed sleeve (3-2) in a sliding fit manner, the compression spring (3-3) is arranged in the fixed sleeve (3-2), and the compression spring (3-3) is positioned between the lifting support column (3-1) and the fixed sleeve (3-2); the lifting slide block (3-4) is fixedly connected to the lower end of the lifting support column (3-1), and the lifting slide block (3-4) is connected in a longitudinal slide hole in the fixed sleeve (3-2) in a sliding fit manner; the fixed sleeve (3-2) is fixedly connected to the base plate (6);
the drawing board angle adjusting mechanism (5) comprises a lifting supporting plate (5-1), an angle adjusting disc (5-2), an angle adjusting screw rod (5-3), a horizontal sliding block (5-4), a push-pull frame (5-5), a push-pull shaft (5-6) and a sliding hole frame (5-7); the front end of the lifting supporting plate (5-1) is fixedly connected with the upper end of the lifting support column (3-1); a horizontal sliding hole is formed in the lifting supporting plate (5-1); the angle adjusting disc (5-2) is fixedly connected to the rear end of the angle adjusting screw rod (5-3), and the angle adjusting screw rod (5-3) is connected to the front end and the rear end of the horizontal sliding hole in a rotating fit mode; the horizontal sliding blocks (5-4) are connected in the horizontal smooth holes in a sliding fit manner; the angle adjusting screw (5-3) is connected to the horizontal sliding block (5-4) through threads; the horizontal sliding block (5-4) is fixedly connected with the lower end of the push-pull frame (5-5), and the upper end of the push-pull frame (5-5) is fixedly connected with a push-pull shaft (5-6); the push-pull shaft (5-6) is connected in a sliding hole of the sliding hole frame (5-7) in a sliding fit manner; the upper ends of the slide hole frames (5-7) are fixedly connected to the slide groove boxes (2-7);
the drawing board height fixing mechanism (4) comprises a handle (4-1), a pull rod (4-2), a guide seat (4-3), a pull block (4-4), a door-shaped positioning frame (4-5), a positioning insertion block (4-6) and an insertion hole plate (4-7); the two guide seats (4-3) are respectively and fixedly connected to the left end and the right end of the lifting supporting plate (5-1); a front sliding groove is formed in the front side of the guide seat (4-3), and a side sliding groove is formed in the outer side of the guide seat (4-3); the handle (4-1) is positioned at the front end of the lifting supporting plate (5-1); the rear end of the handle (4-1) is fixedly connected with a left pull rod (4-2) and a right pull rod (4-2), the rear ends of the two pull rods (4-2) are respectively connected in a sliding fit manner in front sliding grooves of the two guide seats (4-3), the rear ends of the two pull rods (4-2) are respectively fixedly connected with a pull block (4-4), and the two pull blocks (4-4) are respectively connected in side sliding grooves of the two guide seats (4-3) in a sliding fit manner; the outer sides of the two pulling blocks (4-4) are respectively fixedly connected with the two ends of the upper side of the door-shaped positioning frame (4-5); the rear end of the lower side of the door-shaped positioning frame (4-5) is fixedly connected with a positioning insertion block (4-6); the jack plate (4-7) is provided with a plurality of positioning jacks which are uniformly arranged up and down, and the positioning plug blocks (4-6) are connected in one positioning jack in a clearance fit manner; the jack plates (4-7) are fixedly connected to the top surface of the base plate (6);
the drawing board height fixing mechanism (4) further comprises an extension spring (4-8); two extension springs (4-8) are arranged; the front end and the rear end of the extension spring (4-8) are respectively and fixedly connected to the rear side surface of the pulling block (4-4) and the rear side surface inside the guide seat (4-3).
2. The drawing board of claim 1, wherein the drawing board has multiple degrees of freedom: the number of the positioning jacks on the jack plates (4-7) is not less than nine.
3. The drawing board of claim 2, wherein the drawing board has multiple degrees of freedom: the top surface of the base plate (6) is provided with a left pedal groove and a right pedal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060183.9A CN109572312B (en) | 2019-01-22 | 2019-01-22 | Drawing board that multi freedom is adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060183.9A CN109572312B (en) | 2019-01-22 | 2019-01-22 | Drawing board that multi freedom is adjustable |
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| CN109572312A CN109572312A (en) | 2019-04-05 |
| CN109572312B true CN109572312B (en) | 2020-08-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111056510B (en) * | 2019-12-07 | 2020-12-25 | 浙江广厦建设职业技术学院 | Indoor design drawing assistor |
| CN114366928B (en) * | 2022-02-15 | 2023-08-08 | 顾诗芸 | Prevent PICC transfer line protective sheath that receives and fixed knot constructs thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201019297Y (en) * | 2007-02-06 | 2008-02-13 | 焦学强 | Map hanging rack for teaching |
| JP3182780U (en) * | 2013-01-29 | 2013-04-11 | 雄美 大塚 | Shelf board fixing device |
| CN107637959A (en) * | 2017-09-14 | 2018-01-30 | 成都市沃发特科技有限公司 | A kind of student's intelligent desk |
| CN107610557A (en) * | 2017-10-31 | 2018-01-19 | 安徽金钗石斛有限公司 | A kind of teaching aid for legal provision teaching |
| CN107713434A (en) * | 2017-10-31 | 2018-02-23 | 吴奇勋 | A kind of motorized adjustment formula works exhibiting device of designed teaching |
| CN108248275B (en) * | 2018-01-23 | 2020-01-14 | 湖南城市学院 | Intelligence fine arts drawing is with pigment mixing of colors device |
| CN208164637U (en) * | 2018-05-19 | 2018-11-30 | 姜凤宇 | A kind of adjustable angle drawing board |
| CN109050148B (en) * | 2018-06-28 | 2021-07-09 | 江苏米奇妙教玩具集团有限公司 | Outdoor portable painting and calligraphy frame |
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| CN109572312A (en) | 2019-04-05 |
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