CN219781913U - Drawing board support for drawing - Google Patents
Drawing board support for drawing Download PDFInfo
- Publication number
- CN219781913U CN219781913U CN202320658782.2U CN202320658782U CN219781913U CN 219781913 U CN219781913 U CN 219781913U CN 202320658782 U CN202320658782 U CN 202320658782U CN 219781913 U CN219781913 U CN 219781913U
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- CN
- China
- Prior art keywords
- drawing board
- board
- guide rod
- pawl
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010422 painting Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the technical field of painting, in particular to a drawing board support for painting, which comprises a front support and a rear support, wherein a lifting board is vertically and slidably arranged on the front surface of the front support, a drawing board supporting board is vertically and slidably arranged on the front surface of the lifting board, a first spring supported at the bottom of the drawing board supporting board is arranged on the lifting board, a pawl is rotationally connected to the back surface of the lifting board, a ratchet bar for blocking the lifting board from moving downwards is fixedly arranged on the front support, and the pawl is driven to be meshed with the ratchet bar when the drawing board supporting board moves downwards relative to the lifting board; when the drawing board is placed on the drawing board supporting plate, the drawing board supporting plate moves downwards relative to the lifting plate and enables the first spring to compress, and meanwhile, the pawl is driven to be meshed with the ratchet bar, so that the lifting plate is prevented from sliding downwards under the action of gravity, and the height of the drawing board is kept fixed; or after the drawing board is taken down from the drawing board supporting plate, the pawl is separated from the corresponding ratchet bar, and then the lifting plate can slide up and down along the guide rod so as to adjust the height of the drawing board supporting plate.
Description
Technical Field
The utility model relates to the technical field of painting, in particular to a drawing board support for painting.
Background
In the prior art painting, the drawing board needs to be a hard support such as a drawing paper canvas, and the drawing board needs to be supported and fixed through a frame body such as an easel.
The utility model patent with the application number of CN202122644753.4 discloses an easel with adjustable drawing board height, which comprises a front support, wherein the front support is connected with a rear support through a hinge, an adjusting plate is fixedly connected to the front support, a fixing hole and a sliding groove are formed in the adjusting plate, a supporting mechanism is connected to the sliding groove in a sliding manner and comprises a sliding strip, the sliding strip is arranged in the sliding groove, a fixing block is fixedly connected to one side of the sliding groove, a placing rack is fixedly connected to the upper end of the fixing block, and the fixing blocks are connected to the fixing holes through bolts. The bolts on the fixed blocks are detached, the slide bar structure on the sliding chute is moved, the placing rack is at a proper height, the fixed blocks are fixedly connected to the fixed holes through the bolts, and the height adjustment of the drawing board on the placing rack is completed.
When the easel is used for adjusting the height of the drawing board, repeated disassembling and assembling bolts are needed, and the adjusting process is complicated and needs to be improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a drawing board support for drawing, which can conveniently and rapidly adjust the height of a drawing board supporting plate after a drawing board is taken down, so as to adjust the placing height of the drawing board, and solve the technical problem that the height adjustment of the drawing board is complicated in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a drawing board support for drawing, includes the fore-stock and is located the back support of the back of fore-stock, the upper end of fore-stock with the upper end of back support articulates each other, the front vertical slidable mounting of fore-stock has the lifter plate, the front vertical slidable mounting of lifter plate has the drawing board layer board, be equipped with on the lifter plate support in the first spring of the bottom of drawing board layer board, the back rotation of lifter plate is connected with the pawl, fixed mounting has on the fore-stock and is used for blockking the ratchet bar of lifter plate downwardly moving, fixed mounting has the staff on the drawing board layer board, the staff articulates on the pawl, the drawing board layer board for the lifter plate drives when moving down the pawl with ratchet bar meshes mutually.
As a further improvement, a guide rod which extends vertically is fixedly arranged on the front support, a sliding seat is fixedly arranged on the back surface of the lifting plate, and a guide hole matched with the guide rod is formed in the sliding seat.
As a further improvement, be equipped with the mounting hole on the slide, mounting hole internal fixation has the edge the sleeve pipe of radial extension of guide bar, the sleeve pipe is close to movable mounting has the locking pin in the one end of guide bar, the locking pin is close to the one end of guide bar is the arc, be equipped with on the inner wall of guide hole and supply the locking pin is the through-hole that curved one end was exposed, be equipped with along its length direction uniform spacing on the guide bar and supply the locking pin is a plurality of arc grooves that arc one end card was gone into, the sleeve pipe is kept away from the one end internal rotation of guide bar has the bolt, the bolt with be equipped with the second spring between the locking pin.
As a further improvement, a sliding rod which extends vertically is fixedly arranged at the bottom of the drawing board supporting plate, and a sliding sleeve matched with the sliding rod is fixedly arranged on the lifting board.
As a further improvement, the pawl is provided with a swinging rod, and the swinging rod is provided with a waist hole matched with the small shaft.
After the technical scheme is adopted, the utility model has the beneficial effects that:
(1) When the drawing board is placed on the drawing board supporting plate, the drawing board supporting plate moves downwards relative to the lifting plate and enables the first spring to compress, meanwhile, the drawing board supporting plate drives the small shaft to move downwards along the strip-shaped hole, and the small shaft drives the pawl to be meshed with the ratchet bar, so that the lifting plate is prevented from sliding downwards under the action of gravity, and the height of the drawing board is kept fixed; or after the drawing board is taken down from the drawing board supporting plate, the first spring in a compressed state stretches and pushes the drawing board supporting plate to move upwards relative to the lifting plate, so that the pawl is separated from the corresponding ratchet bar, then the lifting plate can slide up and down along the guide rod to adjust the height of the drawing board supporting plate, the drawing board is replaced after the drawing board supporting plate is adjusted to a proper height, and therefore the adjustment of the height of the drawing board is completed, and the adjustment of the height of the drawing board is more convenient;
(2) The utility model is convenient for adjusting the thrust of the second spring to the locking pin by rotating the bolt, thereby adjusting the clamping force of the locking pin to the guide rod and avoiding overlarge resistance when the lifting plate is adjusted up and down.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of the front face of a front bracket according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the back of the front bracket according to an embodiment of the present utility model;
FIG. 4 is a schematic view of an embodiment of the present utility model when the pawl is engaged with the ratchet bar;
FIG. 5 is a schematic cross-sectional view of A-A in FIG. 3;
fig. 6 is a schematic structural view of a slider according to an embodiment of the present utility model.
In the figure: 1-a front support; 2-a rear bracket; 3-a vertical rod; 4-a cross bar; 5-supporting plates; 6-lifting plates; 7-a guide rod; 8-a slide seat; 9-a guide hole; 10-drawing board supporting plates; 11-a slide bar; 12-sliding sleeve; 13-a first spring; 14-pawl; 15-a ratchet bar; 16-small axis; 17-bar-shaped holes; 18-swinging rod; 19-waist holes; 20-mounting holes; 21-a sleeve; 22-locking pins; 23-through holes; 24-arc grooves; 25-bolts; 26-a second spring.
Detailed Description
As shown in fig. 1 to 6, a drawing board holder for drawing includes a front holder 1 and a rear holder 2 provided on the back surface of the front holder 1, the upper end of the front holder 1 being hinged to the upper end of the rear holder 2. The front bracket 1 comprises two vertical rods 3 which are oppositely arranged left and right, two cross rods 4 are oppositely and fixedly arranged up and down between the two vertical rods 3, and a supporting plate 5 is fixedly arranged between the two cross rods 4 through bolts.
The front vertical sliding mounting of fore-stock 1 has lifter plate 6, in order to improve the stability of lifter plate 6 upper and lower slip, has vertical extension's guide bar 7 through bolt fixed mounting between two horizontal poles 4, and guide bar 7 is equipped with two relatively about, and backup pad 5 is located between two guide bars 7, and the back of lifter plate 6 has slide 8 through bolt fixed mounting, is equipped with on the slide 8 with guide bar 7 assorted guiding hole 9.
The front vertical slidable mounting of lifter plate 6 has drawing board layer board 10, and specifically, the bottom welding of drawing board layer board 10 has vertical extension's slide bar 11, and slide bar 11 is equipped with two relatively about, and the front side of lifter plate 6 passes through bolt fixed mounting and slide bar 11 assorted sliding sleeve 12, is located the cover and is equipped with first spring 13 on the slide bar 11 between drawing board layer board 10 and the sliding sleeve 12.
The back of lifter plate 6 is controlled relatively and is equipped with two pawls 14, pawl 14 rotates through the round pin axle and connects on lifter plate 6, the left and right sides of backup pad 5 all is equipped with the mounting groove, be equipped with ratchet bar 15 that is used for stopping lifter plate 6 downwardly moving through bolt fixed mounting in the mounting groove, the back of drawing board layer board 10 is controlled relatively and is welded two staff 16, be equipped with the bar hole 17 that supplies staff 16 backward to pass on the lifter plate 6, staff 16 articulates on corresponding pawl 14, specifically, the pawl 14 is kept away from ratchet bar 15 one side welding has swinging arms 18, be equipped with on the swinging arms 18 with staff 16 assorted waist hole 19, waist hole 19 cover is on corresponding staff 16.
The drawing board supporting board 10 drives the pawl 14 to be meshed with the corresponding ratchet bar 15 when moving downwards relative to the lifting board 6. Specifically, the drawing board is placed on the drawing board supporting board 10, the lifting board 6 is supported by one hand, the drawing board drives the drawing board supporting board 10 to move downwards relative to the lifting board 6 under the action of gravity and enable the first spring 13 to compress, meanwhile, the drawing board supporting board 10 drives the small shaft 16 to move downwards along the strip-shaped hole 17, the small shaft 16 drives the pawl 14 to rotate upwards around the pin shaft through the swinging rod 18, the pawl 14 is meshed with the corresponding ratchet bar 15, as shown in fig. 4, and therefore the lifting board 6 is prevented from sliding downwards under the action of gravity, and the height of the drawing board is kept fixed. Or after the drawing board is taken down from the drawing board supporting plate 10, the first spring 13 in a compressed state stretches and pushes the drawing board supporting plate 10 to move upwards relative to the lifting plate 6, meanwhile, the drawing board supporting plate 10 drives the small shaft 16 to move upwards along the strip-shaped hole 17, the small shaft 16 drives the pawl 14 to rotate downwards around the pin shaft through the swinging rod 18, the pawl 14 is separated from the corresponding ratchet bar 15, as shown in fig. 3, then the lifting plate 6 can be slid up and down along the guide rod 7 so as to adjust the height of the drawing board supporting plate 10, and the drawing board is replaced after the drawing board supporting plate 10 is adjusted to be at a proper height, so that the adjustment of the drawing board height is completed.
As shown in fig. 6, a mounting hole 20 is formed in the sliding seat 8, a sleeve 21 extending along the radial direction of the guide rod 7 is fixedly mounted in the mounting hole 20 through a screw, a locking pin 22 is movably mounted in one end, close to the guide rod 7, of the sleeve 21, one end, close to the guide rod 7, of the locking pin 22 is arc-shaped, a through hole 23 for exposing one end, which is arc-shaped, of the locking pin 22 is formed in the inner wall of the guide hole 9, the through hole 23 is communicated with the mounting hole 20, a plurality of arc-shaped grooves 24 for clamping one end, which is arc-shaped, of the locking pin 22 are uniformly arranged on the guide rod 7 at intervals along the length direction of the guide rod 7, an internal thread is formed in one end, far from the guide rod 7, of the sleeve 21, a bolt 25 is rotatably mounted in one end, far from the guide rod 7, of the sleeve 21, and a second spring 26 is arranged between the bolt 25 and the locking pin 22.
When the lifting plate 6 slides up and down along the guide rod 7 and drives the locking pin 22 to align with any one of the arc grooves 24, the second spring 26 pushes the locking pin 22 to move to the side close to the guide rod 7 and enables one arc-shaped end of the locking pin 22 to be clamped into the arc groove 24, so that the resistance of the lifting plate 6 to slide up and down is increased, and the lifting plate 6 can be prevented from sliding down along the guide rod 7 without supporting the lifting plate 6 by one hand when the drawing board is placed. In addition, the thrust of the second spring 26 to the locking pin 22 can be adjusted by rotating the bolt 25, so that the clamping force of the locking pin 22 to the guide rod 7 can be adjusted, and the excessive resistance when the lifting plate 6 is adjusted up and down can be avoided.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a drawing board support for drawing, includes the fore-stock and is located the back of fore-stock, the upper end of fore-stock with the upper end of back support articulates each other, its characterized in that: the front vertical sliding mounting of fore-stock has the lifter plate, the front vertical sliding mounting of lifter plate has the drawing board layer board, be equipped with on the lifter plate support in the first spring of the bottom of drawing board layer board, the back rotation of lifter plate is connected with the pawl, fixed mounting has on the fore-stock is used for blockking the ratchet bar of lifter plate downwardly moving, fixed mounting has the staff on the drawing board layer board, the staff articulates on the pawl, the drawing board layer board for the lifter plate drives when moving down the pawl with ratchet bar meshes mutually.
2. A drawing board support as defined in claim 1, wherein: the front support is fixedly provided with a guide rod which extends vertically, the back of the lifting plate is fixedly provided with a sliding seat, and the sliding seat is provided with a guide hole matched with the guide rod.
3. A drawing board support as defined in claim 2, wherein: the sliding seat is provided with a mounting hole, a sleeve which extends along the radial direction of the guide rod is fixedly arranged in the mounting hole, a locking pin is movably arranged in one end of the guide rod, which is close to the sleeve, one end of the guide rod is arc-shaped, a through hole for exposing one end of the locking pin in arc shape is arranged on the inner wall of the guide hole, a plurality of arc-shaped grooves for clamping one end of the locking pin in arc shape are uniformly arranged on the guide rod at intervals along the length direction of the guide rod, a bolt is arranged in one end of the guide rod in a rotating mode, which is far away from the sleeve, and a second spring is arranged between the bolt and the locking pin.
4. A drawing board support as defined in claim 1, wherein: the bottom of drawing board layer board fixed mounting has the slide bar of vertical extension, fixed mounting has on the lifter plate with slide bar assorted sliding sleeve.
5. A drawing board support as defined in claim 1, wherein: the pawl is provided with a swinging rod, and the swinging rod is provided with a waist hole matched with the small shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658782.2U CN219781913U (en) | 2023-03-29 | 2023-03-29 | Drawing board support for drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658782.2U CN219781913U (en) | 2023-03-29 | 2023-03-29 | Drawing board support for drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219781913U true CN219781913U (en) | 2023-10-03 |
Family
ID=88180534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320658782.2U Active CN219781913U (en) | 2023-03-29 | 2023-03-29 | Drawing board support for drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219781913U (en) |
-
2023
- 2023-03-29 CN CN202320658782.2U patent/CN219781913U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |