CN217227180U - Drawing board that can smooth-going adjust - Google Patents
Drawing board that can smooth-going adjust Download PDFInfo
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- CN217227180U CN217227180U CN202220707605.4U CN202220707605U CN217227180U CN 217227180 U CN217227180 U CN 217227180U CN 202220707605 U CN202220707605 U CN 202220707605U CN 217227180 U CN217227180 U CN 217227180U
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- drawing board
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Abstract
The utility model discloses a drawing board that can smooth-going regulation, it includes: the adjusting support is used for fixing the base, is used for adjusting the height and the angle of the drawing board and is used for placing the drawing board of the drawing paper, the adjusting support is arranged between the base and the drawing board and comprises a connecting seat, a connecting support, a force application mechanism, a concave wheel piece, a roller and an one-way limiting mechanism, the one-way limiting mechanism is arranged between the connecting support and the base, the roller is rotatably arranged on the connecting support and is located at one end close to the second connecting seat, one end of the force application mechanism is connected with the first connecting seat, the other end of the force application mechanism is connected with the concave wheel piece, and under the pushing action of the force application mechanism, the concave wheel curved surface of the concave wheel piece supports the tight roller. The utility model discloses newly-increased application of force mechanism and one-way stop gear's structural design can prevent that the drawing board from appearing adjusting the shakiness when adjusting, and the condition of difficult removal takes place, and the practicality is strong.
Description
Technical Field
The utility model relates to a drawing board technical field, in particular to drawing board that can smooth-going regulation.
Background
In recent years, along with the continuous development of society and the continuous progress of scientific level, often can the drawing board assist during the drawing, however present drawing board often adopts fixed structure, can't adjust, consequently technical personnel in the field develop adjustable drawing board, but current adjustable drawing board still has the regulation irregularity, and drawing board and the fixed unstable problem of regulation support take place during the drawing.
Therefore, a drawing board capable of being adjusted smoothly is urgently needed in the market to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the disappearance that prior art exists, provide a drawing board that can smooth-going adjust, newly increase application of force mechanism and one-way stop gear's structural design, can prevent that the drawing board from appearing adjusting the unstability when adjusting, the condition of difficult removal takes place, and the practicality is strong.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a smoothly adjustable sketchpad, comprising: the adjusting support is used for fixing the base, is used for adjusting the height and the angle of the drawing board and is used for placing the drawing board of the drawing paper, the adjusting support is arranged between the base and the drawing board and comprises a connecting seat, a connecting support, a force application mechanism, a concave wheel piece, a roller and an one-way limiting mechanism, the one-way limiting mechanism is arranged between the connecting support and the base, the roller is rotatably arranged on the connecting support and is located at one end close to the base, one end of the force application mechanism is connected with the connecting seat, the other end of the force application mechanism is connected with the concave wheel piece, and under the pushing action of the force application mechanism, the concave wheel curved surface of the concave wheel piece supports the roller tightly.
As a further elaboration of the above technical solution:
in the above technical solution, the force application mechanism includes that the force application mechanism includes a pressure spring, and one end of the pressure spring abuts against the concave wheel member.
In the above technical scheme, the force application mechanism further comprises a limiting sleeve, the inner diameter of the limiting sleeve is matched with the outer diameter of the pressure spring, and the limiting sleeve is wrapped on the outer side of the pressure spring.
In the above technical scheme, the limiting sleeve is a flexible sleeve.
In the above technical scheme, the force application mechanism further comprises an adjusting screw and an adjusting moving block, one end of the adjusting screw is clamped with the connecting seat through a screw head, the adjusting moving block is screwed on the adjusting screw, the pressure spring is sleeved outside the adjusting screw, and two ends of the pressure spring are abutted between the adjusting moving block and the concave wheel piece.
In the above technical scheme, one-way stop gear includes one-way gear and one-way stop device, one-way gear uses with one-way stop device cooperation, linking bridge is through first pivot and base looks pin joint, one-way gear suit is on first pivot, one-way stop device sets up on the base, linking bridge sets up in the base upper end through first pivot, one-way gear and one-way stop device rotation.
In the above technical solution, the one-way limiting device includes a limiting part and a return spring, the return spring is disposed inside the base, one end of the limiting part is connected to the return spring, the other end of the limiting part is exposed outside the base, and a rack adapted to the helical gear of the one-way gear is disposed on the limiting part.
In the technical scheme, be provided with upset adjusting device between drawing board and the connecting seat, upset adjusting device includes upset seat, second pivot, torsional spring and regulation pole, through the pivot joint of second pivot between upset seat and the connecting seat, the torsional spring twines in second pivot department, the regulation pole is connected with the torsional spring, and the torsional spring loosens the second pivot when stirring the regulation pole, and the torsional spring locks the second pivot when loosening the regulation pole.
In the technical scheme, a rotary adjusting device is arranged between the turnover adjusting device and the drawing board, the rotary adjusting device comprises a rotary disc, a clamping column and a limiting clamping block, one side of the rotary disc is arranged on the overturning seat, the middle part of the turnover seat is provided with an oval clamping groove, the clamping column comprises a clamping cylinder and a clamping plate, the clamping cylinder is arranged in the oval clamping groove, the clamping plate is arranged at the upper end of the clamping cylinder, the width of the clamping plate is larger than the outer diameter of the clamping cylinder, the other side of the rotating disc and the limiting clamping block are fixed on the back surface of the drawing board, the limiting clamping block is provided with a limiting clamping groove matched with the clamping cylinder, one side of the clamping groove is provided with a notch, the joint cylinder gets into the draw-in groove from the notch, the cardboard is pressed on spacing fixture block, the drawing board passes through the spacing draw-in groove joint of spacing fixture block in the joint cylinder department of joint post.
In the above technical scheme, the clamping plate is of a runway-shaped structure.
Compared with the prior art, the utility model has the advantages and beneficial effects that the structure is novel, the design is reasonable, one of the advantages is that the stepless adjusting effect can be realized between the adjusting bracket and the base by adopting the structural design of the force applying mechanism, the adjustment has convenience and randomness, meanwhile, the adjusting mechanism can be adjusted upwards and can not be adjusted downwards when in use by adopting the one-way limiting mechanism, the relative angle with the one-way gear can be adjusted only by pressing the one-way limiting device, and the problem that the drawing board is forced to move downwards when in drawing is prevented; secondly, the force application mechanism wraps the pressure spring by adopting a limiting sleeve, so that the pressure spring can be prevented from swinging during adjustment, and the condition that the adjusting support is unstable to adjust, is not easy to move and does not move smoothly enough during adjustment can be effectively prevented; thirdly, through adopting upset adjusting device and rotation regulation device's structural design, angle and height between adjustable drawing board and the regulation support also can take off the drawing board or fixed with the fixing base on, provide convenience for transport, storage and carrying.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the adjustment bracket;
FIG. 3 is a partial schematic view of the adjustment bracket;
FIG. 4 is a schematic structural view of the turning adjusting device and the rotation adjusting device;
fig. 5 is an exploded view of the present invention;
fig. 6 is a sectional view of the internal structure of the present invention;
fig. 7 is a cross-sectional view of the screw connection structure of the present invention.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1 to 7, a smoothly adjustable sketchpad comprises: the adjustable drawing board comprises a base 1 for fixing, an adjusting support 2 for adjusting the height and the angle of the drawing board 3 and the drawing board 3 for placing drawing paper, wherein the adjusting support 2 is arranged between the base 1 and the drawing board 3, the adjusting support 2 comprises a connecting seat 21, a connecting support 22, a force application mechanism 23, a concave wheel piece 24, a roller 25 and a one-way limiting mechanism 26, the one-way limiting mechanism 26 is arranged between the connecting support 22 and the base 1, the one-way limiting mechanism 26 limits the angular relation between the connecting support 22 and the base 1, the roller 25 is rotatably arranged on the connecting support 22 and is positioned at one end close to the base 1, one end of the force application mechanism 23 is connected with the connecting seat 21, the other end of the force application mechanism 23 is connected with the concave wheel piece 24, under the pushing action of the force application mechanism 23, the concave wheel curved surface of the concave wheel piece 24 abuts against the roller 25, and the force application mechanism 23 is used for providing a pushing force for the concave wheel piece 24, the concave wheel curved surface of the concave wheel piece 24 is urged to be tightly abutted against the roller 25 on the connecting bracket 22, the roller 25 can provide a supporting force for the concave wheel piece 24, the supporting force F forms an upward acting component force F1 on the concave wheel curved surface, the acting component force F1 is transmitted to the connecting bracket 21 through the force application mechanism 23 and the connecting bracket 22, so that the drawing board 3 can be borne on the connecting bracket 21, when the weight T of the drawing board 3 is the same as the acting component force F1, the drawing board 3 can be stopped at a certain position, and moreover, the acting component force F1 on any position on the concave wheel curved surface is equal, so that the drawing board 3 borne on the connecting bracket 21 can be regulated to be stopped at any height position, thereby bringing stepless regulation effect on use and regulation, and the regulation has convenience and randomness.
As a further improvement of the present invention, the force applying mechanism 23 includes a pressure spring 231, and one end of the pressure spring 231 abuts against the concave wheel member 24.
In this embodiment, the pressure spring 231 is used as the urging mechanism 23, so that the sketchpad 3 and the connecting bracket 22 can be adjusted steplessly.
As a further improvement of the present invention, the force applying mechanism 23 further includes a limiting sleeve 232, the inner diameter of the limiting sleeve 232 is adapted to the outer diameter of the pressure spring 231, and the limiting sleeve 232 is wrapped on the outer side of the pressure spring 231.
As a further improvement of the present invention, the limiting sleeve 232 is a flexible sleeve.
In this embodiment, the outer side of the pressure spring 231 is sleeved with a layer of limiting sleeve 232, so as to better limit the position of the pressure spring 231 under the stress condition and prevent the pressure spring 231 from generating an unstable phenomenon due to deformation.
As a further improvement of the present invention, the force applying mechanism 23 further includes an adjusting screw 233 and an adjusting moving block 234, the one end of the adjusting screw 233 is connected with the connecting seat 21 by a screw head, the adjusting moving block 234 is screwed on the adjusting screw 233, and the pressure spring 231 is sleeved on the outside of the adjusting screw 233 and the two ends of the adjusting screw 233 are abutted between the adjusting moving block 234 and the concave wheel member 24.
In the present embodiment, the position of the pressure spring 231 on the connecting bracket 22 is further defined by the adjusting screw 233 and the adjusting moving block 234.
As a further improvement of the utility model, one-way stop gear 26 includes one-way gear 261 and one-way stop device, one-way gear 261 uses with the cooperation of one-way stop device, linking bridge 22 is through first pivot 27 and base 1 looks pin joint, one-way gear 261 suit is on first pivot 27, one-way stop device sets up on base 1, linking bridge 22 rotates through first pivot 27, one-way gear 261 and one-way stop device and sets up in base 1 upper end, one-way stop device sets up on base 1.
As a further improvement, the one-way limiting device includes locating part 262 and reset spring 263, reset spring 263 sets up in the inside of base 1, the one end of locating part 262 is connected with reset spring 263, the other end of locating part 262 exposes in the outside of base 1, be provided with the rack with one-way gear 261's skewed tooth looks adaptation on the locating part 262.
In this embodiment, by adopting the structural design of the one-way gear 261 and the one-way limiting device, the user can press the limiting member 262 into the base, so that a gap is generated between the helical tooth of the one-way gear 261 and the rack on the limiting member 262, and thus adjustment is performed, after the adjustment is completed, the limiting member 262 is reset by the reset spring 263, so that the helical tooth of the one-way gear 261 is meshed with the rack on the limiting member 262, and thus the positions of the connecting bracket 22 and the base 1 are limited.
As a further improvement, be provided with upset adjusting device 4 between drawing board 3 and the connecting seat 21, upset adjusting device 4 includes upset seat 41, second pivot 42, torsional spring 43 and regulation pole 44, through second pivot 42 looks pin joint between upset seat 41 and the connecting seat 21, torsional spring 43 twines in second pivot 42 department, it is connected with torsional spring 43 to adjust pole 44.
In this embodiment, when the adjusting lever 44 is moved, the torsion spring 43 releases the second rotating shaft 42, and when the adjusting lever 44 is released, the torsion spring 43 locks the second rotating shaft 42, so as to adjust the angle between the connecting base 21 and the drawing board.
As a further improvement of the utility model, a rotation adjusting device 5 is arranged between the turnover adjusting device 4 and the drawing board 3, the rotation adjusting device 5 comprises a rotating disc 51, a clamping column 52 and a limiting fixture block 53, one side of the rotating disc 51 is arranged on the turnover seat 41, the middle part of the turnover seat 41 is provided with an oval clamping groove, the clamping column 52 comprises a clamping cylinder and a clamping plate, the clamping cylinder is arranged in the oval clamping groove, the clamping plate is arranged at the upper end of the clamping cylinder, the width of the clamping plate is larger than the outer diameter of the clamping cylinder, the other side of the rotating disc 51 and the limiting fixture block 53 are fixed at the back of the drawing board 3, the limiting fixture block 53 is provided with a limiting clamping groove matched with the clamping cylinder, one side of the clamping groove is provided with a notch, the clamping cylinder enters the clamping groove from the notch, and the clamping plate is pressed on the limiting fixture block 53, drawing board 3 passes through the spacing draw-in groove joint in the joint cylinder department of joint post 52 of spacing fixture block 53.
In this implementation, thereby drive drawing board 3 through rotating circular disc 51 and spacing fixture block 53 and rotate along the joint cylinder, make drawing board 3 be fixed in on connecting seat 21 or upset adjusting device 4 through cardboard and spacing fixture block 53.
As a further improvement of the utility model, the clamping plate is of a runway-shaped structure.
As a further improvement of the utility model, the utility model also comprises a bottom plate 6.
In this embodiment, the present invention can be fixed to a table top, a wall surface, or a floor surface by the bottom plate 6, or can be clipped to different places.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, so any modifications, equivalent replacements, improvements, etc. made by the technology of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A smoothly adjustable sketchpad, comprising: the utility model provides a drawing board that is used for fixed base, is used for adjusting the regulation support of drawing board height and angle and is used for placing drawing paper, adjust the support and set up between base and drawing board, its characterized in that, it includes connecting seat, linking bridge, application of force mechanism, concave wheel spare, gyro wheel and one-way stop gear to adjust the support, one-way stop gear sets up between linking bridge and base, the gyro wheel rotates and sets up the one end that just is located near the base on the linking bridge, application of force mechanism's one end is connected with the connecting seat, application of force mechanism's the other end is connected with concave wheel spare, under application of force mechanism's pushing action, the concave wheel curved surface of concave wheel spare supports tight gyro wheel.
2. The smoothly adjustable sketchpad of claim 1, wherein said force applying mechanism comprises a force applying mechanism comprising a pressure spring, one end of said pressure spring abutting against said recessed wheel member.
3. The drawing board capable of being smoothly adjusted according to claim 2, wherein the force application mechanism further comprises a limiting sleeve, the inner diameter of the limiting sleeve is matched with the outer diameter of the pressure spring, and the limiting sleeve is wrapped on the outer side of the pressure spring.
4. The smoothly adjustable drawing board of claim 3, wherein the limiting sleeve is a flexible sleeve.
5. The drawing board capable of being smoothly adjusted according to claim 2, wherein the force application mechanism further comprises an adjusting screw rod and an adjusting moving block, one end of the adjusting screw rod is clamped with the connecting seat through a screw head, the adjusting moving block is screwed on the adjusting screw rod, the pressure spring is sleeved outside the adjusting screw rod, and two ends of the pressure spring are abutted between the adjusting moving block and the concave wheel piece.
6. The drawing board capable of being smoothly adjusted according to claim 1, wherein the one-way limiting mechanism comprises a one-way gear and a one-way limiting device, the one-way gear is used in cooperation with the one-way limiting device, the connecting bracket is pivoted with the base through a first rotating shaft, the one-way gear is sleeved on the first rotating shaft, the one-way limiting device is arranged on the base, and the connecting bracket is rotatably arranged at the upper end of the base through the first rotating shaft, the one-way gear and the one-way limiting device.
7. The drawing board capable of being smoothly adjusted according to claim 6, wherein the one-way limiting device comprises a limiting part and a return spring, the return spring is arranged inside the base, one end of the limiting part is connected with the return spring, the other end of the limiting part is exposed outside the base, and a rack matched with helical teeth of the one-way gear is arranged on the limiting part.
8. The drawing board capable of being smoothly adjusted according to claim 1, wherein a turnover adjusting device is arranged between the drawing board and the connecting seat, the turnover adjusting device comprises a turnover seat, a second rotating shaft, a torsional spring and an adjusting rod, the turnover seat and the connecting seat are pivoted through the second rotating shaft, the torsional spring is wound at the second rotating shaft, the adjusting rod is connected with the torsional spring, the torsional spring loosens the second rotating shaft when the adjusting rod is stirred, and the torsional spring locks the second rotating shaft when the adjusting rod is loosened.
9. The smoothly adjustable drawing board according to claim 8, wherein a rotation adjusting device is arranged between the turnover adjusting device and the drawing board, the rotation adjusting device comprises a rotating disc, a clamping column and a limiting fixture block, one side of the rotating disc is arranged on the turnover seat, the middle part of the turnover seat is provided with an oval clamping groove, the clamping column comprises a clamping cylinder and a clamping plate, the clamping cylinder is arranged in the oval clamping groove, the clamping plate is arranged at the upper end of the clamping cylinder, the width of the clamping plate is larger than the outer diameter of the clamping cylinder, the other side of the rotating disc and the limiting fixture block are fixed at the back of the drawing board, the limiting fixture block is provided with a limiting clamping groove adapted to the clamping cylinder, one side of the clamping groove is provided with a notch, the clamping cylinder enters the clamping groove from the notch, and the clamping plate presses on the limiting fixture block, the drawing board is connected with the clamping cylinder of the clamping column in a clamping mode through the limiting clamping groove of the limiting clamping block.
10. The smoothly adjustable sketchpad of claim 9, wherein said catch plate is in a racetrack configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707605.4U CN217227180U (en) | 2022-03-28 | 2022-03-28 | Drawing board that can smooth-going adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707605.4U CN217227180U (en) | 2022-03-28 | 2022-03-28 | Drawing board that can smooth-going adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217227180U true CN217227180U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707605.4U Active CN217227180U (en) | 2022-03-28 | 2022-03-28 | Drawing board that can smooth-going adjust |
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| Country | Link |
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| CN (1) | CN217227180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534573A (en) * | 2022-03-28 | 2022-12-30 | 东莞市擎易五金科技有限公司 | Drawing board that can smooth-going adjust |
-
2022
- 2022-03-28 CN CN202220707605.4U patent/CN217227180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534573A (en) * | 2022-03-28 | 2022-12-30 | 东莞市擎易五金科技有限公司 | Drawing board that can smooth-going adjust |
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